mirror of https://github.com/grafana/loki
fix(deps): update module github.com/prometheus/client_golang to v1.23.2 (main) (#19763)
Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com> Co-authored-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com> Co-authored-by: Paul Rogers <paul.rogers@grafana.com>pull/19815/head
renovate-sh-app[bot]
7 months ago
committed by
GitHub
parent
ceb7c8493c
commit
8317f7e462
2
vendor/github.com/prometheus/client_golang/prometheus/internal/go_runtime_metrics.go
generated
vendored
2
vendor/github.com/prometheus/client_golang/prometheus/internal/go_runtime_metrics.go
generated
vendored
@ -0,0 +1,17 @@ |
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language: go |
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|
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go: |
||||
- "1.4.x" |
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- "1.5.x" |
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- "1.6.x" |
||||
- "1.7.x" |
||||
- "1.8.x" |
||||
- "1.9.x" |
||||
- "1.10.x" |
||||
- "1.11.x" |
||||
- "1.12.x" |
||||
- "1.13.x" |
||||
- "1.14.x" |
||||
- "tip" |
||||
|
||||
go_import_path: gopkg.in/yaml.v2 |
||||
@ -0,0 +1,201 @@ |
||||
Apache License |
||||
Version 2.0, January 2004 |
||||
http://www.apache.org/licenses/ |
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION |
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Copyright {yyyy} {name of copyright owner} |
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Unless required by applicable law or agreed to in writing, software |
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distributed under the License is distributed on an "AS IS" BASIS, |
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See the License for the specific language governing permissions and |
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limitations under the License. |
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@ -0,0 +1,31 @@ |
||||
The following files were ported to Go from C files of libyaml, and thus |
||||
are still covered by their original copyright and license: |
||||
|
||||
apic.go |
||||
emitterc.go |
||||
parserc.go |
||||
readerc.go |
||||
scannerc.go |
||||
writerc.go |
||||
yamlh.go |
||||
yamlprivateh.go |
||||
|
||||
Copyright (c) 2006 Kirill Simonov |
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy of |
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this software and associated documentation files (the "Software"), to deal in |
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the Software without restriction, including without limitation the rights to |
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies |
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of the Software, and to permit persons to whom the Software is furnished to do |
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so, subject to the following conditions: |
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|
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The above copyright notice and this permission notice shall be included in all |
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copies or substantial portions of the Software. |
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|
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
||||
SOFTWARE. |
||||
@ -0,0 +1,13 @@ |
||||
Copyright 2011-2016 Canonical Ltd. |
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License"); |
||||
you may not use this file except in compliance with the License. |
||||
You may obtain a copy of the License at |
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|
||||
http://www.apache.org/licenses/LICENSE-2.0 |
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|
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Unless required by applicable law or agreed to in writing, software |
||||
distributed under the License is distributed on an "AS IS" BASIS, |
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||
See the License for the specific language governing permissions and |
||||
limitations under the License. |
||||
@ -0,0 +1,131 @@ |
||||
# YAML support for the Go language |
||||
|
||||
Introduction |
||||
------------ |
||||
|
||||
The yaml package enables Go programs to comfortably encode and decode YAML |
||||
values. It was developed within [Canonical](https://www.canonical.com) as |
||||
part of the [juju](https://juju.ubuntu.com) project, and is based on a |
||||
pure Go port of the well-known [libyaml](http://pyyaml.org/wiki/LibYAML) |
||||
C library to parse and generate YAML data quickly and reliably. |
||||
|
||||
Compatibility |
||||
------------- |
||||
|
||||
The yaml package supports most of YAML 1.1 and 1.2, including support for |
||||
anchors, tags, map merging, etc. Multi-document unmarshalling is not yet |
||||
implemented, and base-60 floats from YAML 1.1 are purposefully not |
||||
supported since they're a poor design and are gone in YAML 1.2. |
||||
|
||||
Installation and usage |
||||
---------------------- |
||||
|
||||
The import path for the package is *go.yaml.in/yaml/v2*. |
||||
|
||||
To install it, run: |
||||
|
||||
go get go.yaml.in/yaml/v2 |
||||
|
||||
API documentation |
||||
----------------- |
||||
|
||||
See: <https://pkg.go.dev/go.yaml.in/yaml/v2> |
||||
|
||||
API stability |
||||
------------- |
||||
|
||||
The package API for yaml v2 will remain stable as described in [gopkg.in](https://gopkg.in). |
||||
|
||||
|
||||
License |
||||
------- |
||||
|
||||
The yaml package is licensed under the Apache License 2.0. Please see the LICENSE file for details. |
||||
|
||||
|
||||
Example |
||||
------- |
||||
|
||||
```Go |
||||
package main |
||||
|
||||
import ( |
||||
"fmt" |
||||
"log" |
||||
|
||||
"go.yaml.in/yaml/v2" |
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) |
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|
||||
var data = ` |
||||
a: Easy! |
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b: |
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c: 2 |
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d: [3, 4] |
||||
` |
||||
|
||||
// Note: struct fields must be public in order for unmarshal to |
||||
// correctly populate the data. |
||||
type T struct { |
||||
A string |
||||
B struct { |
||||
RenamedC int `yaml:"c"` |
||||
D []int `yaml:",flow"` |
||||
} |
||||
} |
||||
|
||||
func main() { |
||||
t := T{} |
||||
|
||||
err := yaml.Unmarshal([]byte(data), &t) |
||||
if err != nil { |
||||
log.Fatalf("error: %v", err) |
||||
} |
||||
fmt.Printf("--- t:\n%v\n\n", t) |
||||
|
||||
d, err := yaml.Marshal(&t) |
||||
if err != nil { |
||||
log.Fatalf("error: %v", err) |
||||
} |
||||
fmt.Printf("--- t dump:\n%s\n\n", string(d)) |
||||
|
||||
m := make(map[interface{}]interface{}) |
||||
|
||||
err = yaml.Unmarshal([]byte(data), &m) |
||||
if err != nil { |
||||
log.Fatalf("error: %v", err) |
||||
} |
||||
fmt.Printf("--- m:\n%v\n\n", m) |
||||
|
||||
d, err = yaml.Marshal(&m) |
||||
if err != nil { |
||||
log.Fatalf("error: %v", err) |
||||
} |
||||
fmt.Printf("--- m dump:\n%s\n\n", string(d)) |
||||
} |
||||
``` |
||||
|
||||
This example will generate the following output: |
||||
|
||||
``` |
||||
--- t: |
||||
{Easy! {2 [3 4]}} |
||||
|
||||
--- t dump: |
||||
a: Easy! |
||||
b: |
||||
c: 2 |
||||
d: [3, 4] |
||||
|
||||
|
||||
--- m: |
||||
map[a:Easy! b:map[c:2 d:[3 4]]] |
||||
|
||||
--- m dump: |
||||
a: Easy! |
||||
b: |
||||
c: 2 |
||||
d: |
||||
- 3 |
||||
- 4 |
||||
``` |
||||
|
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@ -0,0 +1,744 @@ |
||||
package yaml |
||||
|
||||
import ( |
||||
"io" |
||||
) |
||||
|
||||
func yaml_insert_token(parser *yaml_parser_t, pos int, token *yaml_token_t) { |
||||
//fmt.Println("yaml_insert_token", "pos:", pos, "typ:", token.typ, "head:", parser.tokens_head, "len:", len(parser.tokens))
|
||||
|
||||
// Check if we can move the queue at the beginning of the buffer.
|
||||
if parser.tokens_head > 0 && len(parser.tokens) == cap(parser.tokens) { |
||||
if parser.tokens_head != len(parser.tokens) { |
||||
copy(parser.tokens, parser.tokens[parser.tokens_head:]) |
||||
} |
||||
parser.tokens = parser.tokens[:len(parser.tokens)-parser.tokens_head] |
||||
parser.tokens_head = 0 |
||||
} |
||||
parser.tokens = append(parser.tokens, *token) |
||||
if pos < 0 { |
||||
return |
||||
} |
||||
copy(parser.tokens[parser.tokens_head+pos+1:], parser.tokens[parser.tokens_head+pos:]) |
||||
parser.tokens[parser.tokens_head+pos] = *token |
||||
} |
||||
|
||||
// Create a new parser object.
|
||||
func yaml_parser_initialize(parser *yaml_parser_t) bool { |
||||
*parser = yaml_parser_t{ |
||||
raw_buffer: make([]byte, 0, input_raw_buffer_size), |
||||
buffer: make([]byte, 0, input_buffer_size), |
||||
} |
||||
return true |
||||
} |
||||
|
||||
// Destroy a parser object.
|
||||
func yaml_parser_delete(parser *yaml_parser_t) { |
||||
*parser = yaml_parser_t{} |
||||
} |
||||
|
||||
// String read handler.
|
||||
func yaml_string_read_handler(parser *yaml_parser_t, buffer []byte) (n int, err error) { |
||||
if parser.input_pos == len(parser.input) { |
||||
return 0, io.EOF |
||||
} |
||||
n = copy(buffer, parser.input[parser.input_pos:]) |
||||
parser.input_pos += n |
||||
return n, nil |
||||
} |
||||
|
||||
// Reader read handler.
|
||||
func yaml_reader_read_handler(parser *yaml_parser_t, buffer []byte) (n int, err error) { |
||||
return parser.input_reader.Read(buffer) |
||||
} |
||||
|
||||
// Set a string input.
|
||||
func yaml_parser_set_input_string(parser *yaml_parser_t, input []byte) { |
||||
if parser.read_handler != nil { |
||||
panic("must set the input source only once") |
||||
} |
||||
parser.read_handler = yaml_string_read_handler |
||||
parser.input = input |
||||
parser.input_pos = 0 |
||||
} |
||||
|
||||
// Set a file input.
|
||||
func yaml_parser_set_input_reader(parser *yaml_parser_t, r io.Reader) { |
||||
if parser.read_handler != nil { |
||||
panic("must set the input source only once") |
||||
} |
||||
parser.read_handler = yaml_reader_read_handler |
||||
parser.input_reader = r |
||||
} |
||||
|
||||
// Set the source encoding.
|
||||
func yaml_parser_set_encoding(parser *yaml_parser_t, encoding yaml_encoding_t) { |
||||
if parser.encoding != yaml_ANY_ENCODING { |
||||
panic("must set the encoding only once") |
||||
} |
||||
parser.encoding = encoding |
||||
} |
||||
|
||||
var disableLineWrapping = false |
||||
|
||||
// Create a new emitter object.
|
||||
func yaml_emitter_initialize(emitter *yaml_emitter_t) { |
||||
*emitter = yaml_emitter_t{ |
||||
buffer: make([]byte, output_buffer_size), |
||||
raw_buffer: make([]byte, 0, output_raw_buffer_size), |
||||
states: make([]yaml_emitter_state_t, 0, initial_stack_size), |
||||
events: make([]yaml_event_t, 0, initial_queue_size), |
||||
} |
||||
if disableLineWrapping { |
||||
emitter.best_width = -1 |
||||
} |
||||
} |
||||
|
||||
// Destroy an emitter object.
|
||||
func yaml_emitter_delete(emitter *yaml_emitter_t) { |
||||
*emitter = yaml_emitter_t{} |
||||
} |
||||
|
||||
// String write handler.
|
||||
func yaml_string_write_handler(emitter *yaml_emitter_t, buffer []byte) error { |
||||
*emitter.output_buffer = append(*emitter.output_buffer, buffer...) |
||||
return nil |
||||
} |
||||
|
||||
// yaml_writer_write_handler uses emitter.output_writer to write the
|
||||
// emitted text.
|
||||
func yaml_writer_write_handler(emitter *yaml_emitter_t, buffer []byte) error { |
||||
_, err := emitter.output_writer.Write(buffer) |
||||
return err |
||||
} |
||||
|
||||
// Set a string output.
|
||||
func yaml_emitter_set_output_string(emitter *yaml_emitter_t, output_buffer *[]byte) { |
||||
if emitter.write_handler != nil { |
||||
panic("must set the output target only once") |
||||
} |
||||
emitter.write_handler = yaml_string_write_handler |
||||
emitter.output_buffer = output_buffer |
||||
} |
||||
|
||||
// Set a file output.
|
||||
func yaml_emitter_set_output_writer(emitter *yaml_emitter_t, w io.Writer) { |
||||
if emitter.write_handler != nil { |
||||
panic("must set the output target only once") |
||||
} |
||||
emitter.write_handler = yaml_writer_write_handler |
||||
emitter.output_writer = w |
||||
} |
||||
|
||||
// Set the output encoding.
|
||||
func yaml_emitter_set_encoding(emitter *yaml_emitter_t, encoding yaml_encoding_t) { |
||||
if emitter.encoding != yaml_ANY_ENCODING { |
||||
panic("must set the output encoding only once") |
||||
} |
||||
emitter.encoding = encoding |
||||
} |
||||
|
||||
// Set the canonical output style.
|
||||
func yaml_emitter_set_canonical(emitter *yaml_emitter_t, canonical bool) { |
||||
emitter.canonical = canonical |
||||
} |
||||
|
||||
//// Set the indentation increment.
|
||||
func yaml_emitter_set_indent(emitter *yaml_emitter_t, indent int) { |
||||
if indent < 2 || indent > 9 { |
||||
indent = 2 |
||||
} |
||||
emitter.best_indent = indent |
||||
} |
||||
|
||||
// Set the preferred line width.
|
||||
func yaml_emitter_set_width(emitter *yaml_emitter_t, width int) { |
||||
if width < 0 { |
||||
width = -1 |
||||
} |
||||
emitter.best_width = width |
||||
} |
||||
|
||||
// Set if unescaped non-ASCII characters are allowed.
|
||||
func yaml_emitter_set_unicode(emitter *yaml_emitter_t, unicode bool) { |
||||
emitter.unicode = unicode |
||||
} |
||||
|
||||
// Set the preferred line break character.
|
||||
func yaml_emitter_set_break(emitter *yaml_emitter_t, line_break yaml_break_t) { |
||||
emitter.line_break = line_break |
||||
} |
||||
|
||||
///*
|
||||
// * Destroy a token object.
|
||||
// */
|
||||
//
|
||||
//YAML_DECLARE(void)
|
||||
//yaml_token_delete(yaml_token_t *token)
|
||||
//{
|
||||
// assert(token); // Non-NULL token object expected.
|
||||
//
|
||||
// switch (token.type)
|
||||
// {
|
||||
// case YAML_TAG_DIRECTIVE_TOKEN:
|
||||
// yaml_free(token.data.tag_directive.handle);
|
||||
// yaml_free(token.data.tag_directive.prefix);
|
||||
// break;
|
||||
//
|
||||
// case YAML_ALIAS_TOKEN:
|
||||
// yaml_free(token.data.alias.value);
|
||||
// break;
|
||||
//
|
||||
// case YAML_ANCHOR_TOKEN:
|
||||
// yaml_free(token.data.anchor.value);
|
||||
// break;
|
||||
//
|
||||
// case YAML_TAG_TOKEN:
|
||||
// yaml_free(token.data.tag.handle);
|
||||
// yaml_free(token.data.tag.suffix);
|
||||
// break;
|
||||
//
|
||||
// case YAML_SCALAR_TOKEN:
|
||||
// yaml_free(token.data.scalar.value);
|
||||
// break;
|
||||
//
|
||||
// default:
|
||||
// break;
|
||||
// }
|
||||
//
|
||||
// memset(token, 0, sizeof(yaml_token_t));
|
||||
//}
|
||||
//
|
||||
///*
|
||||
// * Check if a string is a valid UTF-8 sequence.
|
||||
// *
|
||||
// * Check 'reader.c' for more details on UTF-8 encoding.
|
||||
// */
|
||||
//
|
||||
//static int
|
||||
//yaml_check_utf8(yaml_char_t *start, size_t length)
|
||||
//{
|
||||
// yaml_char_t *end = start+length;
|
||||
// yaml_char_t *pointer = start;
|
||||
//
|
||||
// while (pointer < end) {
|
||||
// unsigned char octet;
|
||||
// unsigned int width;
|
||||
// unsigned int value;
|
||||
// size_t k;
|
||||
//
|
||||
// octet = pointer[0];
|
||||
// width = (octet & 0x80) == 0x00 ? 1 :
|
||||
// (octet & 0xE0) == 0xC0 ? 2 :
|
||||
// (octet & 0xF0) == 0xE0 ? 3 :
|
||||
// (octet & 0xF8) == 0xF0 ? 4 : 0;
|
||||
// value = (octet & 0x80) == 0x00 ? octet & 0x7F :
|
||||
// (octet & 0xE0) == 0xC0 ? octet & 0x1F :
|
||||
// (octet & 0xF0) == 0xE0 ? octet & 0x0F :
|
||||
// (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0;
|
||||
// if (!width) return 0;
|
||||
// if (pointer+width > end) return 0;
|
||||
// for (k = 1; k < width; k ++) {
|
||||
// octet = pointer[k];
|
||||
// if ((octet & 0xC0) != 0x80) return 0;
|
||||
// value = (value << 6) + (octet & 0x3F);
|
||||
// }
|
||||
// if (!((width == 1) ||
|
||||
// (width == 2 && value >= 0x80) ||
|
||||
// (width == 3 && value >= 0x800) ||
|
||||
// (width == 4 && value >= 0x10000))) return 0;
|
||||
//
|
||||
// pointer += width;
|
||||
// }
|
||||
//
|
||||
// return 1;
|
||||
//}
|
||||
//
|
||||
|
||||
// Create STREAM-START.
|
||||
func yaml_stream_start_event_initialize(event *yaml_event_t, encoding yaml_encoding_t) { |
||||
*event = yaml_event_t{ |
||||
typ: yaml_STREAM_START_EVENT, |
||||
encoding: encoding, |
||||
} |
||||
} |
||||
|
||||
// Create STREAM-END.
|
||||
func yaml_stream_end_event_initialize(event *yaml_event_t) { |
||||
*event = yaml_event_t{ |
||||
typ: yaml_STREAM_END_EVENT, |
||||
} |
||||
} |
||||
|
||||
// Create DOCUMENT-START.
|
||||
func yaml_document_start_event_initialize( |
||||
event *yaml_event_t, |
||||
version_directive *yaml_version_directive_t, |
||||
tag_directives []yaml_tag_directive_t, |
||||
implicit bool, |
||||
) { |
||||
*event = yaml_event_t{ |
||||
typ: yaml_DOCUMENT_START_EVENT, |
||||
version_directive: version_directive, |
||||
tag_directives: tag_directives, |
||||
implicit: implicit, |
||||
} |
||||
} |
||||
|
||||
// Create DOCUMENT-END.
|
||||
func yaml_document_end_event_initialize(event *yaml_event_t, implicit bool) { |
||||
*event = yaml_event_t{ |
||||
typ: yaml_DOCUMENT_END_EVENT, |
||||
implicit: implicit, |
||||
} |
||||
} |
||||
|
||||
///*
|
||||
// * Create ALIAS.
|
||||
// */
|
||||
//
|
||||
//YAML_DECLARE(int)
|
||||
//yaml_alias_event_initialize(event *yaml_event_t, anchor *yaml_char_t)
|
||||
//{
|
||||
// mark yaml_mark_t = { 0, 0, 0 }
|
||||
// anchor_copy *yaml_char_t = NULL
|
||||
//
|
||||
// assert(event) // Non-NULL event object is expected.
|
||||
// assert(anchor) // Non-NULL anchor is expected.
|
||||
//
|
||||
// if (!yaml_check_utf8(anchor, strlen((char *)anchor))) return 0
|
||||
//
|
||||
// anchor_copy = yaml_strdup(anchor)
|
||||
// if (!anchor_copy)
|
||||
// return 0
|
||||
//
|
||||
// ALIAS_EVENT_INIT(*event, anchor_copy, mark, mark)
|
||||
//
|
||||
// return 1
|
||||
//}
|
||||
|
||||
// Create SCALAR.
|
||||
func yaml_scalar_event_initialize(event *yaml_event_t, anchor, tag, value []byte, plain_implicit, quoted_implicit bool, style yaml_scalar_style_t) bool { |
||||
*event = yaml_event_t{ |
||||
typ: yaml_SCALAR_EVENT, |
||||
anchor: anchor, |
||||
tag: tag, |
||||
value: value, |
||||
implicit: plain_implicit, |
||||
quoted_implicit: quoted_implicit, |
||||
style: yaml_style_t(style), |
||||
} |
||||
return true |
||||
} |
||||
|
||||
// Create SEQUENCE-START.
|
||||
func yaml_sequence_start_event_initialize(event *yaml_event_t, anchor, tag []byte, implicit bool, style yaml_sequence_style_t) bool { |
||||
*event = yaml_event_t{ |
||||
typ: yaml_SEQUENCE_START_EVENT, |
||||
anchor: anchor, |
||||
tag: tag, |
||||
implicit: implicit, |
||||
style: yaml_style_t(style), |
||||
} |
||||
return true |
||||
} |
||||
|
||||
// Create SEQUENCE-END.
|
||||
func yaml_sequence_end_event_initialize(event *yaml_event_t) bool { |
||||
*event = yaml_event_t{ |
||||
typ: yaml_SEQUENCE_END_EVENT, |
||||
} |
||||
return true |
||||
} |
||||
|
||||
// Create MAPPING-START.
|
||||
func yaml_mapping_start_event_initialize(event *yaml_event_t, anchor, tag []byte, implicit bool, style yaml_mapping_style_t) { |
||||
*event = yaml_event_t{ |
||||
typ: yaml_MAPPING_START_EVENT, |
||||
anchor: anchor, |
||||
tag: tag, |
||||
implicit: implicit, |
||||
style: yaml_style_t(style), |
||||
} |
||||
} |
||||
|
||||
// Create MAPPING-END.
|
||||
func yaml_mapping_end_event_initialize(event *yaml_event_t) { |
||||
*event = yaml_event_t{ |
||||
typ: yaml_MAPPING_END_EVENT, |
||||
} |
||||
} |
||||
|
||||
// Destroy an event object.
|
||||
func yaml_event_delete(event *yaml_event_t) { |
||||
*event = yaml_event_t{} |
||||
} |
||||
|
||||
///*
|
||||
// * Create a document object.
|
||||
// */
|
||||
//
|
||||
//YAML_DECLARE(int)
|
||||
//yaml_document_initialize(document *yaml_document_t,
|
||||
// version_directive *yaml_version_directive_t,
|
||||
// tag_directives_start *yaml_tag_directive_t,
|
||||
// tag_directives_end *yaml_tag_directive_t,
|
||||
// start_implicit int, end_implicit int)
|
||||
//{
|
||||
// struct {
|
||||
// error yaml_error_type_t
|
||||
// } context
|
||||
// struct {
|
||||
// start *yaml_node_t
|
||||
// end *yaml_node_t
|
||||
// top *yaml_node_t
|
||||
// } nodes = { NULL, NULL, NULL }
|
||||
// version_directive_copy *yaml_version_directive_t = NULL
|
||||
// struct {
|
||||
// start *yaml_tag_directive_t
|
||||
// end *yaml_tag_directive_t
|
||||
// top *yaml_tag_directive_t
|
||||
// } tag_directives_copy = { NULL, NULL, NULL }
|
||||
// value yaml_tag_directive_t = { NULL, NULL }
|
||||
// mark yaml_mark_t = { 0, 0, 0 }
|
||||
//
|
||||
// assert(document) // Non-NULL document object is expected.
|
||||
// assert((tag_directives_start && tag_directives_end) ||
|
||||
// (tag_directives_start == tag_directives_end))
|
||||
// // Valid tag directives are expected.
|
||||
//
|
||||
// if (!STACK_INIT(&context, nodes, INITIAL_STACK_SIZE)) goto error
|
||||
//
|
||||
// if (version_directive) {
|
||||
// version_directive_copy = yaml_malloc(sizeof(yaml_version_directive_t))
|
||||
// if (!version_directive_copy) goto error
|
||||
// version_directive_copy.major = version_directive.major
|
||||
// version_directive_copy.minor = version_directive.minor
|
||||
// }
|
||||
//
|
||||
// if (tag_directives_start != tag_directives_end) {
|
||||
// tag_directive *yaml_tag_directive_t
|
||||
// if (!STACK_INIT(&context, tag_directives_copy, INITIAL_STACK_SIZE))
|
||||
// goto error
|
||||
// for (tag_directive = tag_directives_start
|
||||
// tag_directive != tag_directives_end; tag_directive ++) {
|
||||
// assert(tag_directive.handle)
|
||||
// assert(tag_directive.prefix)
|
||||
// if (!yaml_check_utf8(tag_directive.handle,
|
||||
// strlen((char *)tag_directive.handle)))
|
||||
// goto error
|
||||
// if (!yaml_check_utf8(tag_directive.prefix,
|
||||
// strlen((char *)tag_directive.prefix)))
|
||||
// goto error
|
||||
// value.handle = yaml_strdup(tag_directive.handle)
|
||||
// value.prefix = yaml_strdup(tag_directive.prefix)
|
||||
// if (!value.handle || !value.prefix) goto error
|
||||
// if (!PUSH(&context, tag_directives_copy, value))
|
||||
// goto error
|
||||
// value.handle = NULL
|
||||
// value.prefix = NULL
|
||||
// }
|
||||
// }
|
||||
//
|
||||
// DOCUMENT_INIT(*document, nodes.start, nodes.end, version_directive_copy,
|
||||
// tag_directives_copy.start, tag_directives_copy.top,
|
||||
// start_implicit, end_implicit, mark, mark)
|
||||
//
|
||||
// return 1
|
||||
//
|
||||
//error:
|
||||
// STACK_DEL(&context, nodes)
|
||||
// yaml_free(version_directive_copy)
|
||||
// while (!STACK_EMPTY(&context, tag_directives_copy)) {
|
||||
// value yaml_tag_directive_t = POP(&context, tag_directives_copy)
|
||||
// yaml_free(value.handle)
|
||||
// yaml_free(value.prefix)
|
||||
// }
|
||||
// STACK_DEL(&context, tag_directives_copy)
|
||||
// yaml_free(value.handle)
|
||||
// yaml_free(value.prefix)
|
||||
//
|
||||
// return 0
|
||||
//}
|
||||
//
|
||||
///*
|
||||
// * Destroy a document object.
|
||||
// */
|
||||
//
|
||||
//YAML_DECLARE(void)
|
||||
//yaml_document_delete(document *yaml_document_t)
|
||||
//{
|
||||
// struct {
|
||||
// error yaml_error_type_t
|
||||
// } context
|
||||
// tag_directive *yaml_tag_directive_t
|
||||
//
|
||||
// context.error = YAML_NO_ERROR // Eliminate a compiler warning.
|
||||
//
|
||||
// assert(document) // Non-NULL document object is expected.
|
||||
//
|
||||
// while (!STACK_EMPTY(&context, document.nodes)) {
|
||||
// node yaml_node_t = POP(&context, document.nodes)
|
||||
// yaml_free(node.tag)
|
||||
// switch (node.type) {
|
||||
// case YAML_SCALAR_NODE:
|
||||
// yaml_free(node.data.scalar.value)
|
||||
// break
|
||||
// case YAML_SEQUENCE_NODE:
|
||||
// STACK_DEL(&context, node.data.sequence.items)
|
||||
// break
|
||||
// case YAML_MAPPING_NODE:
|
||||
// STACK_DEL(&context, node.data.mapping.pairs)
|
||||
// break
|
||||
// default:
|
||||
// assert(0) // Should not happen.
|
||||
// }
|
||||
// }
|
||||
// STACK_DEL(&context, document.nodes)
|
||||
//
|
||||
// yaml_free(document.version_directive)
|
||||
// for (tag_directive = document.tag_directives.start
|
||||
// tag_directive != document.tag_directives.end
|
||||
// tag_directive++) {
|
||||
// yaml_free(tag_directive.handle)
|
||||
// yaml_free(tag_directive.prefix)
|
||||
// }
|
||||
// yaml_free(document.tag_directives.start)
|
||||
//
|
||||
// memset(document, 0, sizeof(yaml_document_t))
|
||||
//}
|
||||
//
|
||||
///**
|
||||
// * Get a document node.
|
||||
// */
|
||||
//
|
||||
//YAML_DECLARE(yaml_node_t *)
|
||||
//yaml_document_get_node(document *yaml_document_t, index int)
|
||||
//{
|
||||
// assert(document) // Non-NULL document object is expected.
|
||||
//
|
||||
// if (index > 0 && document.nodes.start + index <= document.nodes.top) {
|
||||
// return document.nodes.start + index - 1
|
||||
// }
|
||||
// return NULL
|
||||
//}
|
||||
//
|
||||
///**
|
||||
// * Get the root object.
|
||||
// */
|
||||
//
|
||||
//YAML_DECLARE(yaml_node_t *)
|
||||
//yaml_document_get_root_node(document *yaml_document_t)
|
||||
//{
|
||||
// assert(document) // Non-NULL document object is expected.
|
||||
//
|
||||
// if (document.nodes.top != document.nodes.start) {
|
||||
// return document.nodes.start
|
||||
// }
|
||||
// return NULL
|
||||
//}
|
||||
//
|
||||
///*
|
||||
// * Add a scalar node to a document.
|
||||
// */
|
||||
//
|
||||
//YAML_DECLARE(int)
|
||||
//yaml_document_add_scalar(document *yaml_document_t,
|
||||
// tag *yaml_char_t, value *yaml_char_t, length int,
|
||||
// style yaml_scalar_style_t)
|
||||
//{
|
||||
// struct {
|
||||
// error yaml_error_type_t
|
||||
// } context
|
||||
// mark yaml_mark_t = { 0, 0, 0 }
|
||||
// tag_copy *yaml_char_t = NULL
|
||||
// value_copy *yaml_char_t = NULL
|
||||
// node yaml_node_t
|
||||
//
|
||||
// assert(document) // Non-NULL document object is expected.
|
||||
// assert(value) // Non-NULL value is expected.
|
||||
//
|
||||
// if (!tag) {
|
||||
// tag = (yaml_char_t *)YAML_DEFAULT_SCALAR_TAG
|
||||
// }
|
||||
//
|
||||
// if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
|
||||
// tag_copy = yaml_strdup(tag)
|
||||
// if (!tag_copy) goto error
|
||||
//
|
||||
// if (length < 0) {
|
||||
// length = strlen((char *)value)
|
||||
// }
|
||||
//
|
||||
// if (!yaml_check_utf8(value, length)) goto error
|
||||
// value_copy = yaml_malloc(length+1)
|
||||
// if (!value_copy) goto error
|
||||
// memcpy(value_copy, value, length)
|
||||
// value_copy[length] = '\0'
|
||||
//
|
||||
// SCALAR_NODE_INIT(node, tag_copy, value_copy, length, style, mark, mark)
|
||||
// if (!PUSH(&context, document.nodes, node)) goto error
|
||||
//
|
||||
// return document.nodes.top - document.nodes.start
|
||||
//
|
||||
//error:
|
||||
// yaml_free(tag_copy)
|
||||
// yaml_free(value_copy)
|
||||
//
|
||||
// return 0
|
||||
//}
|
||||
//
|
||||
///*
|
||||
// * Add a sequence node to a document.
|
||||
// */
|
||||
//
|
||||
//YAML_DECLARE(int)
|
||||
//yaml_document_add_sequence(document *yaml_document_t,
|
||||
// tag *yaml_char_t, style yaml_sequence_style_t)
|
||||
//{
|
||||
// struct {
|
||||
// error yaml_error_type_t
|
||||
// } context
|
||||
// mark yaml_mark_t = { 0, 0, 0 }
|
||||
// tag_copy *yaml_char_t = NULL
|
||||
// struct {
|
||||
// start *yaml_node_item_t
|
||||
// end *yaml_node_item_t
|
||||
// top *yaml_node_item_t
|
||||
// } items = { NULL, NULL, NULL }
|
||||
// node yaml_node_t
|
||||
//
|
||||
// assert(document) // Non-NULL document object is expected.
|
||||
//
|
||||
// if (!tag) {
|
||||
// tag = (yaml_char_t *)YAML_DEFAULT_SEQUENCE_TAG
|
||||
// }
|
||||
//
|
||||
// if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
|
||||
// tag_copy = yaml_strdup(tag)
|
||||
// if (!tag_copy) goto error
|
||||
//
|
||||
// if (!STACK_INIT(&context, items, INITIAL_STACK_SIZE)) goto error
|
||||
//
|
||||
// SEQUENCE_NODE_INIT(node, tag_copy, items.start, items.end,
|
||||
// style, mark, mark)
|
||||
// if (!PUSH(&context, document.nodes, node)) goto error
|
||||
//
|
||||
// return document.nodes.top - document.nodes.start
|
||||
//
|
||||
//error:
|
||||
// STACK_DEL(&context, items)
|
||||
// yaml_free(tag_copy)
|
||||
//
|
||||
// return 0
|
||||
//}
|
||||
//
|
||||
///*
|
||||
// * Add a mapping node to a document.
|
||||
// */
|
||||
//
|
||||
//YAML_DECLARE(int)
|
||||
//yaml_document_add_mapping(document *yaml_document_t,
|
||||
// tag *yaml_char_t, style yaml_mapping_style_t)
|
||||
//{
|
||||
// struct {
|
||||
// error yaml_error_type_t
|
||||
// } context
|
||||
// mark yaml_mark_t = { 0, 0, 0 }
|
||||
// tag_copy *yaml_char_t = NULL
|
||||
// struct {
|
||||
// start *yaml_node_pair_t
|
||||
// end *yaml_node_pair_t
|
||||
// top *yaml_node_pair_t
|
||||
// } pairs = { NULL, NULL, NULL }
|
||||
// node yaml_node_t
|
||||
//
|
||||
// assert(document) // Non-NULL document object is expected.
|
||||
//
|
||||
// if (!tag) {
|
||||
// tag = (yaml_char_t *)YAML_DEFAULT_MAPPING_TAG
|
||||
// }
|
||||
//
|
||||
// if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error
|
||||
// tag_copy = yaml_strdup(tag)
|
||||
// if (!tag_copy) goto error
|
||||
//
|
||||
// if (!STACK_INIT(&context, pairs, INITIAL_STACK_SIZE)) goto error
|
||||
//
|
||||
// MAPPING_NODE_INIT(node, tag_copy, pairs.start, pairs.end,
|
||||
// style, mark, mark)
|
||||
// if (!PUSH(&context, document.nodes, node)) goto error
|
||||
//
|
||||
// return document.nodes.top - document.nodes.start
|
||||
//
|
||||
//error:
|
||||
// STACK_DEL(&context, pairs)
|
||||
// yaml_free(tag_copy)
|
||||
//
|
||||
// return 0
|
||||
//}
|
||||
//
|
||||
///*
|
||||
// * Append an item to a sequence node.
|
||||
// */
|
||||
//
|
||||
//YAML_DECLARE(int)
|
||||
//yaml_document_append_sequence_item(document *yaml_document_t,
|
||||
// sequence int, item int)
|
||||
//{
|
||||
// struct {
|
||||
// error yaml_error_type_t
|
||||
// } context
|
||||
//
|
||||
// assert(document) // Non-NULL document is required.
|
||||
// assert(sequence > 0
|
||||
// && document.nodes.start + sequence <= document.nodes.top)
|
||||
// // Valid sequence id is required.
|
||||
// assert(document.nodes.start[sequence-1].type == YAML_SEQUENCE_NODE)
|
||||
// // A sequence node is required.
|
||||
// assert(item > 0 && document.nodes.start + item <= document.nodes.top)
|
||||
// // Valid item id is required.
|
||||
//
|
||||
// if (!PUSH(&context,
|
||||
// document.nodes.start[sequence-1].data.sequence.items, item))
|
||||
// return 0
|
||||
//
|
||||
// return 1
|
||||
//}
|
||||
//
|
||||
///*
|
||||
// * Append a pair of a key and a value to a mapping node.
|
||||
// */
|
||||
//
|
||||
//YAML_DECLARE(int)
|
||||
//yaml_document_append_mapping_pair(document *yaml_document_t,
|
||||
// mapping int, key int, value int)
|
||||
//{
|
||||
// struct {
|
||||
// error yaml_error_type_t
|
||||
// } context
|
||||
//
|
||||
// pair yaml_node_pair_t
|
||||
//
|
||||
// assert(document) // Non-NULL document is required.
|
||||
// assert(mapping > 0
|
||||
// && document.nodes.start + mapping <= document.nodes.top)
|
||||
// // Valid mapping id is required.
|
||||
// assert(document.nodes.start[mapping-1].type == YAML_MAPPING_NODE)
|
||||
// // A mapping node is required.
|
||||
// assert(key > 0 && document.nodes.start + key <= document.nodes.top)
|
||||
// // Valid key id is required.
|
||||
// assert(value > 0 && document.nodes.start + value <= document.nodes.top)
|
||||
// // Valid value id is required.
|
||||
//
|
||||
// pair.key = key
|
||||
// pair.value = value
|
||||
//
|
||||
// if (!PUSH(&context,
|
||||
// document.nodes.start[mapping-1].data.mapping.pairs, pair))
|
||||
// return 0
|
||||
//
|
||||
// return 1
|
||||
//}
|
||||
//
|
||||
//
|
||||
@ -0,0 +1,815 @@ |
||||
package yaml |
||||
|
||||
import ( |
||||
"encoding" |
||||
"encoding/base64" |
||||
"fmt" |
||||
"io" |
||||
"math" |
||||
"reflect" |
||||
"strconv" |
||||
"time" |
||||
) |
||||
|
||||
const ( |
||||
documentNode = 1 << iota |
||||
mappingNode |
||||
sequenceNode |
||||
scalarNode |
||||
aliasNode |
||||
) |
||||
|
||||
type node struct { |
||||
kind int |
||||
line, column int |
||||
tag string |
||||
// For an alias node, alias holds the resolved alias.
|
||||
alias *node |
||||
value string |
||||
implicit bool |
||||
children []*node |
||||
anchors map[string]*node |
||||
} |
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// Parser, produces a node tree out of a libyaml event stream.
|
||||
|
||||
type parser struct { |
||||
parser yaml_parser_t |
||||
event yaml_event_t |
||||
doc *node |
||||
doneInit bool |
||||
} |
||||
|
||||
func newParser(b []byte) *parser { |
||||
p := parser{} |
||||
if !yaml_parser_initialize(&p.parser) { |
||||
panic("failed to initialize YAML emitter") |
||||
} |
||||
if len(b) == 0 { |
||||
b = []byte{'\n'} |
||||
} |
||||
yaml_parser_set_input_string(&p.parser, b) |
||||
return &p |
||||
} |
||||
|
||||
func newParserFromReader(r io.Reader) *parser { |
||||
p := parser{} |
||||
if !yaml_parser_initialize(&p.parser) { |
||||
panic("failed to initialize YAML emitter") |
||||
} |
||||
yaml_parser_set_input_reader(&p.parser, r) |
||||
return &p |
||||
} |
||||
|
||||
func (p *parser) init() { |
||||
if p.doneInit { |
||||
return |
||||
} |
||||
p.expect(yaml_STREAM_START_EVENT) |
||||
p.doneInit = true |
||||
} |
||||
|
||||
func (p *parser) destroy() { |
||||
if p.event.typ != yaml_NO_EVENT { |
||||
yaml_event_delete(&p.event) |
||||
} |
||||
yaml_parser_delete(&p.parser) |
||||
} |
||||
|
||||
// expect consumes an event from the event stream and
|
||||
// checks that it's of the expected type.
|
||||
func (p *parser) expect(e yaml_event_type_t) { |
||||
if p.event.typ == yaml_NO_EVENT { |
||||
if !yaml_parser_parse(&p.parser, &p.event) { |
||||
p.fail() |
||||
} |
||||
} |
||||
if p.event.typ == yaml_STREAM_END_EVENT { |
||||
failf("attempted to go past the end of stream; corrupted value?") |
||||
} |
||||
if p.event.typ != e { |
||||
p.parser.problem = fmt.Sprintf("expected %s event but got %s", e, p.event.typ) |
||||
p.fail() |
||||
} |
||||
yaml_event_delete(&p.event) |
||||
p.event.typ = yaml_NO_EVENT |
||||
} |
||||
|
||||
// peek peeks at the next event in the event stream,
|
||||
// puts the results into p.event and returns the event type.
|
||||
func (p *parser) peek() yaml_event_type_t { |
||||
if p.event.typ != yaml_NO_EVENT { |
||||
return p.event.typ |
||||
} |
||||
if !yaml_parser_parse(&p.parser, &p.event) { |
||||
p.fail() |
||||
} |
||||
return p.event.typ |
||||
} |
||||
|
||||
func (p *parser) fail() { |
||||
var where string |
||||
var line int |
||||
if p.parser.problem_mark.line != 0 { |
||||
line = p.parser.problem_mark.line |
||||
// Scanner errors don't iterate line before returning error
|
||||
if p.parser.error == yaml_SCANNER_ERROR { |
||||
line++ |
||||
} |
||||
} else if p.parser.context_mark.line != 0 { |
||||
line = p.parser.context_mark.line |
||||
} |
||||
if line != 0 { |
||||
where = "line " + strconv.Itoa(line) + ": " |
||||
} |
||||
var msg string |
||||
if len(p.parser.problem) > 0 { |
||||
msg = p.parser.problem |
||||
} else { |
||||
msg = "unknown problem parsing YAML content" |
||||
} |
||||
failf("%s%s", where, msg) |
||||
} |
||||
|
||||
func (p *parser) anchor(n *node, anchor []byte) { |
||||
if anchor != nil { |
||||
p.doc.anchors[string(anchor)] = n |
||||
} |
||||
} |
||||
|
||||
func (p *parser) parse() *node { |
||||
p.init() |
||||
switch p.peek() { |
||||
case yaml_SCALAR_EVENT: |
||||
return p.scalar() |
||||
case yaml_ALIAS_EVENT: |
||||
return p.alias() |
||||
case yaml_MAPPING_START_EVENT: |
||||
return p.mapping() |
||||
case yaml_SEQUENCE_START_EVENT: |
||||
return p.sequence() |
||||
case yaml_DOCUMENT_START_EVENT: |
||||
return p.document() |
||||
case yaml_STREAM_END_EVENT: |
||||
// Happens when attempting to decode an empty buffer.
|
||||
return nil |
||||
default: |
||||
panic("attempted to parse unknown event: " + p.event.typ.String()) |
||||
} |
||||
} |
||||
|
||||
func (p *parser) node(kind int) *node { |
||||
return &node{ |
||||
kind: kind, |
||||
line: p.event.start_mark.line, |
||||
column: p.event.start_mark.column, |
||||
} |
||||
} |
||||
|
||||
func (p *parser) document() *node { |
||||
n := p.node(documentNode) |
||||
n.anchors = make(map[string]*node) |
||||
p.doc = n |
||||
p.expect(yaml_DOCUMENT_START_EVENT) |
||||
n.children = append(n.children, p.parse()) |
||||
p.expect(yaml_DOCUMENT_END_EVENT) |
||||
return n |
||||
} |
||||
|
||||
func (p *parser) alias() *node { |
||||
n := p.node(aliasNode) |
||||
n.value = string(p.event.anchor) |
||||
n.alias = p.doc.anchors[n.value] |
||||
if n.alias == nil { |
||||
failf("unknown anchor '%s' referenced", n.value) |
||||
} |
||||
p.expect(yaml_ALIAS_EVENT) |
||||
return n |
||||
} |
||||
|
||||
func (p *parser) scalar() *node { |
||||
n := p.node(scalarNode) |
||||
n.value = string(p.event.value) |
||||
n.tag = string(p.event.tag) |
||||
n.implicit = p.event.implicit |
||||
p.anchor(n, p.event.anchor) |
||||
p.expect(yaml_SCALAR_EVENT) |
||||
return n |
||||
} |
||||
|
||||
func (p *parser) sequence() *node { |
||||
n := p.node(sequenceNode) |
||||
p.anchor(n, p.event.anchor) |
||||
p.expect(yaml_SEQUENCE_START_EVENT) |
||||
for p.peek() != yaml_SEQUENCE_END_EVENT { |
||||
n.children = append(n.children, p.parse()) |
||||
} |
||||
p.expect(yaml_SEQUENCE_END_EVENT) |
||||
return n |
||||
} |
||||
|
||||
func (p *parser) mapping() *node { |
||||
n := p.node(mappingNode) |
||||
p.anchor(n, p.event.anchor) |
||||
p.expect(yaml_MAPPING_START_EVENT) |
||||
for p.peek() != yaml_MAPPING_END_EVENT { |
||||
n.children = append(n.children, p.parse(), p.parse()) |
||||
} |
||||
p.expect(yaml_MAPPING_END_EVENT) |
||||
return n |
||||
} |
||||
|
||||
// ----------------------------------------------------------------------------
|
||||
// Decoder, unmarshals a node into a provided value.
|
||||
|
||||
type decoder struct { |
||||
doc *node |
||||
aliases map[*node]bool |
||||
mapType reflect.Type |
||||
terrors []string |
||||
strict bool |
||||
|
||||
decodeCount int |
||||
aliasCount int |
||||
aliasDepth int |
||||
} |
||||
|
||||
var ( |
||||
mapItemType = reflect.TypeOf(MapItem{}) |
||||
durationType = reflect.TypeOf(time.Duration(0)) |
||||
defaultMapType = reflect.TypeOf(map[interface{}]interface{}{}) |
||||
ifaceType = defaultMapType.Elem() |
||||
timeType = reflect.TypeOf(time.Time{}) |
||||
ptrTimeType = reflect.TypeOf(&time.Time{}) |
||||
) |
||||
|
||||
func newDecoder(strict bool) *decoder { |
||||
d := &decoder{mapType: defaultMapType, strict: strict} |
||||
d.aliases = make(map[*node]bool) |
||||
return d |
||||
} |
||||
|
||||
func (d *decoder) terror(n *node, tag string, out reflect.Value) { |
||||
if n.tag != "" { |
||||
tag = n.tag |
||||
} |
||||
value := n.value |
||||
if tag != yaml_SEQ_TAG && tag != yaml_MAP_TAG { |
||||
if len(value) > 10 { |
||||
value = " `" + value[:7] + "...`" |
||||
} else { |
||||
value = " `" + value + "`" |
||||
} |
||||
} |
||||
d.terrors = append(d.terrors, fmt.Sprintf("line %d: cannot unmarshal %s%s into %s", n.line+1, shortTag(tag), value, out.Type())) |
||||
} |
||||
|
||||
func (d *decoder) callUnmarshaler(n *node, u Unmarshaler) (good bool) { |
||||
terrlen := len(d.terrors) |
||||
err := u.UnmarshalYAML(func(v interface{}) (err error) { |
||||
defer handleErr(&err) |
||||
d.unmarshal(n, reflect.ValueOf(v)) |
||||
if len(d.terrors) > terrlen { |
||||
issues := d.terrors[terrlen:] |
||||
d.terrors = d.terrors[:terrlen] |
||||
return &TypeError{issues} |
||||
} |
||||
return nil |
||||
}) |
||||
if e, ok := err.(*TypeError); ok { |
||||
d.terrors = append(d.terrors, e.Errors...) |
||||
return false |
||||
} |
||||
if err != nil { |
||||
fail(err) |
||||
} |
||||
return true |
||||
} |
||||
|
||||
// d.prepare initializes and dereferences pointers and calls UnmarshalYAML
|
||||
// if a value is found to implement it.
|
||||
// It returns the initialized and dereferenced out value, whether
|
||||
// unmarshalling was already done by UnmarshalYAML, and if so whether
|
||||
// its types unmarshalled appropriately.
|
||||
//
|
||||
// If n holds a null value, prepare returns before doing anything.
|
||||
func (d *decoder) prepare(n *node, out reflect.Value) (newout reflect.Value, unmarshaled, good bool) { |
||||
if n.tag == yaml_NULL_TAG || n.kind == scalarNode && n.tag == "" && (n.value == "null" || n.value == "~" || n.value == "" && n.implicit) { |
||||
return out, false, false |
||||
} |
||||
again := true |
||||
for again { |
||||
again = false |
||||
if out.Kind() == reflect.Ptr { |
||||
if out.IsNil() { |
||||
out.Set(reflect.New(out.Type().Elem())) |
||||
} |
||||
out = out.Elem() |
||||
again = true |
||||
} |
||||
if out.CanAddr() { |
||||
if u, ok := out.Addr().Interface().(Unmarshaler); ok { |
||||
good = d.callUnmarshaler(n, u) |
||||
return out, true, good |
||||
} |
||||
} |
||||
} |
||||
return out, false, false |
||||
} |
||||
|
||||
const ( |
||||
// 400,000 decode operations is ~500kb of dense object declarations, or
|
||||
// ~5kb of dense object declarations with 10000% alias expansion
|
||||
alias_ratio_range_low = 400000 |
||||
|
||||
// 4,000,000 decode operations is ~5MB of dense object declarations, or
|
||||
// ~4.5MB of dense object declarations with 10% alias expansion
|
||||
alias_ratio_range_high = 4000000 |
||||
|
||||
// alias_ratio_range is the range over which we scale allowed alias ratios
|
||||
alias_ratio_range = float64(alias_ratio_range_high - alias_ratio_range_low) |
||||
) |
||||
|
||||
func allowedAliasRatio(decodeCount int) float64 { |
||||
switch { |
||||
case decodeCount <= alias_ratio_range_low: |
||||
// allow 99% to come from alias expansion for small-to-medium documents
|
||||
return 0.99 |
||||
case decodeCount >= alias_ratio_range_high: |
||||
// allow 10% to come from alias expansion for very large documents
|
||||
return 0.10 |
||||
default: |
||||
// scale smoothly from 99% down to 10% over the range.
|
||||
// this maps to 396,000 - 400,000 allowed alias-driven decodes over the range.
|
||||
// 400,000 decode operations is ~100MB of allocations in worst-case scenarios (single-item maps).
|
||||
return 0.99 - 0.89*(float64(decodeCount-alias_ratio_range_low)/alias_ratio_range) |
||||
} |
||||
} |
||||
|
||||
func (d *decoder) unmarshal(n *node, out reflect.Value) (good bool) { |
||||
d.decodeCount++ |
||||
if d.aliasDepth > 0 { |
||||
d.aliasCount++ |
||||
} |
||||
if d.aliasCount > 100 && d.decodeCount > 1000 && float64(d.aliasCount)/float64(d.decodeCount) > allowedAliasRatio(d.decodeCount) { |
||||
failf("document contains excessive aliasing") |
||||
} |
||||
switch n.kind { |
||||
case documentNode: |
||||
return d.document(n, out) |
||||
case aliasNode: |
||||
return d.alias(n, out) |
||||
} |
||||
out, unmarshaled, good := d.prepare(n, out) |
||||
if unmarshaled { |
||||
return good |
||||
} |
||||
switch n.kind { |
||||
case scalarNode: |
||||
good = d.scalar(n, out) |
||||
case mappingNode: |
||||
good = d.mapping(n, out) |
||||
case sequenceNode: |
||||
good = d.sequence(n, out) |
||||
default: |
||||
panic("internal error: unknown node kind: " + strconv.Itoa(n.kind)) |
||||
} |
||||
return good |
||||
} |
||||
|
||||
func (d *decoder) document(n *node, out reflect.Value) (good bool) { |
||||
if len(n.children) == 1 { |
||||
d.doc = n |
||||
d.unmarshal(n.children[0], out) |
||||
return true |
||||
} |
||||
return false |
||||
} |
||||
|
||||
func (d *decoder) alias(n *node, out reflect.Value) (good bool) { |
||||
if d.aliases[n] { |
||||
// TODO this could actually be allowed in some circumstances.
|
||||
failf("anchor '%s' value contains itself", n.value) |
||||
} |
||||
d.aliases[n] = true |
||||
d.aliasDepth++ |
||||
good = d.unmarshal(n.alias, out) |
||||
d.aliasDepth-- |
||||
delete(d.aliases, n) |
||||
return good |
||||
} |
||||
|
||||
var zeroValue reflect.Value |
||||
|
||||
func resetMap(out reflect.Value) { |
||||
for _, k := range out.MapKeys() { |
||||
out.SetMapIndex(k, zeroValue) |
||||
} |
||||
} |
||||
|
||||
func (d *decoder) scalar(n *node, out reflect.Value) bool { |
||||
var tag string |
||||
var resolved interface{} |
||||
if n.tag == "" && !n.implicit { |
||||
tag = yaml_STR_TAG |
||||
resolved = n.value |
||||
} else { |
||||
tag, resolved = resolve(n.tag, n.value) |
||||
if tag == yaml_BINARY_TAG { |
||||
data, err := base64.StdEncoding.DecodeString(resolved.(string)) |
||||
if err != nil { |
||||
failf("!!binary value contains invalid base64 data") |
||||
} |
||||
resolved = string(data) |
||||
} |
||||
} |
||||
if resolved == nil { |
||||
if out.Kind() == reflect.Map && !out.CanAddr() { |
||||
resetMap(out) |
||||
} else { |
||||
out.Set(reflect.Zero(out.Type())) |
||||
} |
||||
return true |
||||
} |
||||
if resolvedv := reflect.ValueOf(resolved); out.Type() == resolvedv.Type() { |
||||
// We've resolved to exactly the type we want, so use that.
|
||||
out.Set(resolvedv) |
||||
return true |
||||
} |
||||
// Perhaps we can use the value as a TextUnmarshaler to
|
||||
// set its value.
|
||||
if out.CanAddr() { |
||||
u, ok := out.Addr().Interface().(encoding.TextUnmarshaler) |
||||
if ok { |
||||
var text []byte |
||||
if tag == yaml_BINARY_TAG { |
||||
text = []byte(resolved.(string)) |
||||
} else { |
||||
// We let any value be unmarshaled into TextUnmarshaler.
|
||||
// That might be more lax than we'd like, but the
|
||||
// TextUnmarshaler itself should bowl out any dubious values.
|
||||
text = []byte(n.value) |
||||
} |
||||
err := u.UnmarshalText(text) |
||||
if err != nil { |
||||
fail(err) |
||||
} |
||||
return true |
||||
} |
||||
} |
||||
switch out.Kind() { |
||||
case reflect.String: |
||||
if tag == yaml_BINARY_TAG { |
||||
out.SetString(resolved.(string)) |
||||
return true |
||||
} |
||||
if resolved != nil { |
||||
out.SetString(n.value) |
||||
return true |
||||
} |
||||
case reflect.Interface: |
||||
if resolved == nil { |
||||
out.Set(reflect.Zero(out.Type())) |
||||
} else if tag == yaml_TIMESTAMP_TAG { |
||||
// It looks like a timestamp but for backward compatibility
|
||||
// reasons we set it as a string, so that code that unmarshals
|
||||
// timestamp-like values into interface{} will continue to
|
||||
// see a string and not a time.Time.
|
||||
// TODO(v3) Drop this.
|
||||
out.Set(reflect.ValueOf(n.value)) |
||||
} else { |
||||
out.Set(reflect.ValueOf(resolved)) |
||||
} |
||||
return true |
||||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: |
||||
switch resolved := resolved.(type) { |
||||
case int: |
||||
if !out.OverflowInt(int64(resolved)) { |
||||
out.SetInt(int64(resolved)) |
||||
return true |
||||
} |
||||
case int64: |
||||
if !out.OverflowInt(resolved) { |
||||
out.SetInt(resolved) |
||||
return true |
||||
} |
||||
case uint64: |
||||
if resolved <= math.MaxInt64 && !out.OverflowInt(int64(resolved)) { |
||||
out.SetInt(int64(resolved)) |
||||
return true |
||||
} |
||||
case float64: |
||||
if resolved <= math.MaxInt64 && !out.OverflowInt(int64(resolved)) { |
||||
out.SetInt(int64(resolved)) |
||||
return true |
||||
} |
||||
case string: |
||||
if out.Type() == durationType { |
||||
d, err := time.ParseDuration(resolved) |
||||
if err == nil { |
||||
out.SetInt(int64(d)) |
||||
return true |
||||
} |
||||
} |
||||
} |
||||
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: |
||||
switch resolved := resolved.(type) { |
||||
case int: |
||||
if resolved >= 0 && !out.OverflowUint(uint64(resolved)) { |
||||
out.SetUint(uint64(resolved)) |
||||
return true |
||||
} |
||||
case int64: |
||||
if resolved >= 0 && !out.OverflowUint(uint64(resolved)) { |
||||
out.SetUint(uint64(resolved)) |
||||
return true |
||||
} |
||||
case uint64: |
||||
if !out.OverflowUint(uint64(resolved)) { |
||||
out.SetUint(uint64(resolved)) |
||||
return true |
||||
} |
||||
case float64: |
||||
if resolved <= math.MaxUint64 && !out.OverflowUint(uint64(resolved)) { |
||||
out.SetUint(uint64(resolved)) |
||||
return true |
||||
} |
||||
} |
||||
case reflect.Bool: |
||||
switch resolved := resolved.(type) { |
||||
case bool: |
||||
out.SetBool(resolved) |
||||
return true |
||||
} |
||||
case reflect.Float32, reflect.Float64: |
||||
switch resolved := resolved.(type) { |
||||
case int: |
||||
out.SetFloat(float64(resolved)) |
||||
return true |
||||
case int64: |
||||
out.SetFloat(float64(resolved)) |
||||
return true |
||||
case uint64: |
||||
out.SetFloat(float64(resolved)) |
||||
return true |
||||
case float64: |
||||
out.SetFloat(resolved) |
||||
return true |
||||
} |
||||
case reflect.Struct: |
||||
if resolvedv := reflect.ValueOf(resolved); out.Type() == resolvedv.Type() { |
||||
out.Set(resolvedv) |
||||
return true |
||||
} |
||||
case reflect.Ptr: |
||||
if out.Type().Elem() == reflect.TypeOf(resolved) { |
||||
// TODO DOes this make sense? When is out a Ptr except when decoding a nil value?
|
||||
elem := reflect.New(out.Type().Elem()) |
||||
elem.Elem().Set(reflect.ValueOf(resolved)) |
||||
out.Set(elem) |
||||
return true |
||||
} |
||||
} |
||||
d.terror(n, tag, out) |
||||
return false |
||||
} |
||||
|
||||
func settableValueOf(i interface{}) reflect.Value { |
||||
v := reflect.ValueOf(i) |
||||
sv := reflect.New(v.Type()).Elem() |
||||
sv.Set(v) |
||||
return sv |
||||
} |
||||
|
||||
func (d *decoder) sequence(n *node, out reflect.Value) (good bool) { |
||||
l := len(n.children) |
||||
|
||||
var iface reflect.Value |
||||
switch out.Kind() { |
||||
case reflect.Slice: |
||||
out.Set(reflect.MakeSlice(out.Type(), l, l)) |
||||
case reflect.Array: |
||||
if l != out.Len() { |
||||
failf("invalid array: want %d elements but got %d", out.Len(), l) |
||||
} |
||||
case reflect.Interface: |
||||
// No type hints. Will have to use a generic sequence.
|
||||
iface = out |
||||
out = settableValueOf(make([]interface{}, l)) |
||||
default: |
||||
d.terror(n, yaml_SEQ_TAG, out) |
||||
return false |
||||
} |
||||
et := out.Type().Elem() |
||||
|
||||
j := 0 |
||||
for i := 0; i < l; i++ { |
||||
e := reflect.New(et).Elem() |
||||
if ok := d.unmarshal(n.children[i], e); ok { |
||||
out.Index(j).Set(e) |
||||
j++ |
||||
} |
||||
} |
||||
if out.Kind() != reflect.Array { |
||||
out.Set(out.Slice(0, j)) |
||||
} |
||||
if iface.IsValid() { |
||||
iface.Set(out) |
||||
} |
||||
return true |
||||
} |
||||
|
||||
func (d *decoder) mapping(n *node, out reflect.Value) (good bool) { |
||||
switch out.Kind() { |
||||
case reflect.Struct: |
||||
return d.mappingStruct(n, out) |
||||
case reflect.Slice: |
||||
return d.mappingSlice(n, out) |
||||
case reflect.Map: |
||||
// okay
|
||||
case reflect.Interface: |
||||
if d.mapType.Kind() == reflect.Map { |
||||
iface := out |
||||
out = reflect.MakeMap(d.mapType) |
||||
iface.Set(out) |
||||
} else { |
||||
slicev := reflect.New(d.mapType).Elem() |
||||
if !d.mappingSlice(n, slicev) { |
||||
return false |
||||
} |
||||
out.Set(slicev) |
||||
return true |
||||
} |
||||
default: |
||||
d.terror(n, yaml_MAP_TAG, out) |
||||
return false |
||||
} |
||||
outt := out.Type() |
||||
kt := outt.Key() |
||||
et := outt.Elem() |
||||
|
||||
mapType := d.mapType |
||||
if outt.Key() == ifaceType && outt.Elem() == ifaceType { |
||||
d.mapType = outt |
||||
} |
||||
|
||||
if out.IsNil() { |
||||
out.Set(reflect.MakeMap(outt)) |
||||
} |
||||
l := len(n.children) |
||||
for i := 0; i < l; i += 2 { |
||||
if isMerge(n.children[i]) { |
||||
d.merge(n.children[i+1], out) |
||||
continue |
||||
} |
||||
k := reflect.New(kt).Elem() |
||||
if d.unmarshal(n.children[i], k) { |
||||
kkind := k.Kind() |
||||
if kkind == reflect.Interface { |
||||
kkind = k.Elem().Kind() |
||||
} |
||||
if kkind == reflect.Map || kkind == reflect.Slice { |
||||
failf("invalid map key: %#v", k.Interface()) |
||||
} |
||||
e := reflect.New(et).Elem() |
||||
if d.unmarshal(n.children[i+1], e) { |
||||
d.setMapIndex(n.children[i+1], out, k, e) |
||||
} |
||||
} |
||||
} |
||||
d.mapType = mapType |
||||
return true |
||||
} |
||||
|
||||
func (d *decoder) setMapIndex(n *node, out, k, v reflect.Value) { |
||||
if d.strict && out.MapIndex(k) != zeroValue { |
||||
d.terrors = append(d.terrors, fmt.Sprintf("line %d: key %#v already set in map", n.line+1, k.Interface())) |
||||
return |
||||
} |
||||
out.SetMapIndex(k, v) |
||||
} |
||||
|
||||
func (d *decoder) mappingSlice(n *node, out reflect.Value) (good bool) { |
||||
outt := out.Type() |
||||
if outt.Elem() != mapItemType { |
||||
d.terror(n, yaml_MAP_TAG, out) |
||||
return false |
||||
} |
||||
|
||||
mapType := d.mapType |
||||
d.mapType = outt |
||||
|
||||
var slice []MapItem |
||||
var l = len(n.children) |
||||
for i := 0; i < l; i += 2 { |
||||
if isMerge(n.children[i]) { |
||||
d.merge(n.children[i+1], out) |
||||
continue |
||||
} |
||||
item := MapItem{} |
||||
k := reflect.ValueOf(&item.Key).Elem() |
||||
if d.unmarshal(n.children[i], k) { |
||||
v := reflect.ValueOf(&item.Value).Elem() |
||||
if d.unmarshal(n.children[i+1], v) { |
||||
slice = append(slice, item) |
||||
} |
||||
} |
||||
} |
||||
out.Set(reflect.ValueOf(slice)) |
||||
d.mapType = mapType |
||||
return true |
||||
} |
||||
|
||||
func (d *decoder) mappingStruct(n *node, out reflect.Value) (good bool) { |
||||
sinfo, err := getStructInfo(out.Type()) |
||||
if err != nil { |
||||
panic(err) |
||||
} |
||||
name := settableValueOf("") |
||||
l := len(n.children) |
||||
|
||||
var inlineMap reflect.Value |
||||
var elemType reflect.Type |
||||
if sinfo.InlineMap != -1 { |
||||
inlineMap = out.Field(sinfo.InlineMap) |
||||
inlineMap.Set(reflect.New(inlineMap.Type()).Elem()) |
||||
elemType = inlineMap.Type().Elem() |
||||
} |
||||
|
||||
var doneFields []bool |
||||
if d.strict { |
||||
doneFields = make([]bool, len(sinfo.FieldsList)) |
||||
} |
||||
for i := 0; i < l; i += 2 { |
||||
ni := n.children[i] |
||||
if isMerge(ni) { |
||||
d.merge(n.children[i+1], out) |
||||
continue |
||||
} |
||||
if !d.unmarshal(ni, name) { |
||||
continue |
||||
} |
||||
if info, ok := sinfo.FieldsMap[name.String()]; ok { |
||||
if d.strict { |
||||
if doneFields[info.Id] { |
||||
d.terrors = append(d.terrors, fmt.Sprintf("line %d: field %s already set in type %s", ni.line+1, name.String(), out.Type())) |
||||
continue |
||||
} |
||||
doneFields[info.Id] = true |
||||
} |
||||
var field reflect.Value |
||||
if info.Inline == nil { |
||||
field = out.Field(info.Num) |
||||
} else { |
||||
field = out.FieldByIndex(info.Inline) |
||||
} |
||||
d.unmarshal(n.children[i+1], field) |
||||
} else if sinfo.InlineMap != -1 { |
||||
if inlineMap.IsNil() { |
||||
inlineMap.Set(reflect.MakeMap(inlineMap.Type())) |
||||
} |
||||
value := reflect.New(elemType).Elem() |
||||
d.unmarshal(n.children[i+1], value) |
||||
d.setMapIndex(n.children[i+1], inlineMap, name, value) |
||||
} else if d.strict { |
||||
d.terrors = append(d.terrors, fmt.Sprintf("line %d: field %s not found in type %s", ni.line+1, name.String(), out.Type())) |
||||
} |
||||
} |
||||
return true |
||||
} |
||||
|
||||
func failWantMap() { |
||||
failf("map merge requires map or sequence of maps as the value") |
||||
} |
||||
|
||||
func (d *decoder) merge(n *node, out reflect.Value) { |
||||
switch n.kind { |
||||
case mappingNode: |
||||
d.unmarshal(n, out) |
||||
case aliasNode: |
||||
if n.alias != nil && n.alias.kind != mappingNode { |
||||
failWantMap() |
||||
} |
||||
d.unmarshal(n, out) |
||||
case sequenceNode: |
||||
// Step backwards as earlier nodes take precedence.
|
||||
for i := len(n.children) - 1; i >= 0; i-- { |
||||
ni := n.children[i] |
||||
if ni.kind == aliasNode { |
||||
if ni.alias != nil && ni.alias.kind != mappingNode { |
||||
failWantMap() |
||||
} |
||||
} else if ni.kind != mappingNode { |
||||
failWantMap() |
||||
} |
||||
d.unmarshal(ni, out) |
||||
} |
||||
default: |
||||
failWantMap() |
||||
} |
||||
} |
||||
|
||||
func isMerge(n *node) bool { |
||||
return n.kind == scalarNode && n.value == "<<" && (n.implicit == true || n.tag == yaml_MERGE_TAG) |
||||
} |
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,390 @@ |
||||
package yaml |
||||
|
||||
import ( |
||||
"encoding" |
||||
"fmt" |
||||
"io" |
||||
"reflect" |
||||
"regexp" |
||||
"sort" |
||||
"strconv" |
||||
"strings" |
||||
"time" |
||||
"unicode/utf8" |
||||
) |
||||
|
||||
// jsonNumber is the interface of the encoding/json.Number datatype.
|
||||
// Repeating the interface here avoids a dependency on encoding/json, and also
|
||||
// supports other libraries like jsoniter, which use a similar datatype with
|
||||
// the same interface. Detecting this interface is useful when dealing with
|
||||
// structures containing json.Number, which is a string under the hood. The
|
||||
// encoder should prefer the use of Int64(), Float64() and string(), in that
|
||||
// order, when encoding this type.
|
||||
type jsonNumber interface { |
||||
Float64() (float64, error) |
||||
Int64() (int64, error) |
||||
String() string |
||||
} |
||||
|
||||
type encoder struct { |
||||
emitter yaml_emitter_t |
||||
event yaml_event_t |
||||
out []byte |
||||
flow bool |
||||
// doneInit holds whether the initial stream_start_event has been
|
||||
// emitted.
|
||||
doneInit bool |
||||
} |
||||
|
||||
func newEncoder() *encoder { |
||||
e := &encoder{} |
||||
yaml_emitter_initialize(&e.emitter) |
||||
yaml_emitter_set_output_string(&e.emitter, &e.out) |
||||
yaml_emitter_set_unicode(&e.emitter, true) |
||||
return e |
||||
} |
||||
|
||||
func newEncoderWithWriter(w io.Writer) *encoder { |
||||
e := &encoder{} |
||||
yaml_emitter_initialize(&e.emitter) |
||||
yaml_emitter_set_output_writer(&e.emitter, w) |
||||
yaml_emitter_set_unicode(&e.emitter, true) |
||||
return e |
||||
} |
||||
|
||||
func (e *encoder) init() { |
||||
if e.doneInit { |
||||
return |
||||
} |
||||
yaml_stream_start_event_initialize(&e.event, yaml_UTF8_ENCODING) |
||||
e.emit() |
||||
e.doneInit = true |
||||
} |
||||
|
||||
func (e *encoder) finish() { |
||||
e.emitter.open_ended = false |
||||
yaml_stream_end_event_initialize(&e.event) |
||||
e.emit() |
||||
} |
||||
|
||||
func (e *encoder) destroy() { |
||||
yaml_emitter_delete(&e.emitter) |
||||
} |
||||
|
||||
func (e *encoder) emit() { |
||||
// This will internally delete the e.event value.
|
||||
e.must(yaml_emitter_emit(&e.emitter, &e.event)) |
||||
} |
||||
|
||||
func (e *encoder) must(ok bool) { |
||||
if !ok { |
||||
msg := e.emitter.problem |
||||
if msg == "" { |
||||
msg = "unknown problem generating YAML content" |
||||
} |
||||
failf("%s", msg) |
||||
} |
||||
} |
||||
|
||||
func (e *encoder) marshalDoc(tag string, in reflect.Value) { |
||||
e.init() |
||||
yaml_document_start_event_initialize(&e.event, nil, nil, true) |
||||
e.emit() |
||||
e.marshal(tag, in) |
||||
yaml_document_end_event_initialize(&e.event, true) |
||||
e.emit() |
||||
} |
||||
|
||||
func (e *encoder) marshal(tag string, in reflect.Value) { |
||||
if !in.IsValid() || in.Kind() == reflect.Ptr && in.IsNil() { |
||||
e.nilv() |
||||
return |
||||
} |
||||
iface := in.Interface() |
||||
switch m := iface.(type) { |
||||
case jsonNumber: |
||||
integer, err := m.Int64() |
||||
if err == nil { |
||||
// In this case the json.Number is a valid int64
|
||||
in = reflect.ValueOf(integer) |
||||
break |
||||
} |
||||
float, err := m.Float64() |
||||
if err == nil { |
||||
// In this case the json.Number is a valid float64
|
||||
in = reflect.ValueOf(float) |
||||
break |
||||
} |
||||
// fallback case - no number could be obtained
|
||||
in = reflect.ValueOf(m.String()) |
||||
case time.Time, *time.Time: |
||||
// Although time.Time implements TextMarshaler,
|
||||
// we don't want to treat it as a string for YAML
|
||||
// purposes because YAML has special support for
|
||||
// timestamps.
|
||||
case Marshaler: |
||||
v, err := m.MarshalYAML() |
||||
if err != nil { |
||||
fail(err) |
||||
} |
||||
if v == nil { |
||||
e.nilv() |
||||
return |
||||
} |
||||
in = reflect.ValueOf(v) |
||||
case encoding.TextMarshaler: |
||||
text, err := m.MarshalText() |
||||
if err != nil { |
||||
fail(err) |
||||
} |
||||
in = reflect.ValueOf(string(text)) |
||||
case nil: |
||||
e.nilv() |
||||
return |
||||
} |
||||
switch in.Kind() { |
||||
case reflect.Interface: |
||||
e.marshal(tag, in.Elem()) |
||||
case reflect.Map: |
||||
e.mapv(tag, in) |
||||
case reflect.Ptr: |
||||
if in.Type() == ptrTimeType { |
||||
e.timev(tag, in.Elem()) |
||||
} else { |
||||
e.marshal(tag, in.Elem()) |
||||
} |
||||
case reflect.Struct: |
||||
if in.Type() == timeType { |
||||
e.timev(tag, in) |
||||
} else { |
||||
e.structv(tag, in) |
||||
} |
||||
case reflect.Slice, reflect.Array: |
||||
if in.Type().Elem() == mapItemType { |
||||
e.itemsv(tag, in) |
||||
} else { |
||||
e.slicev(tag, in) |
||||
} |
||||
case reflect.String: |
||||
e.stringv(tag, in) |
||||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: |
||||
if in.Type() == durationType { |
||||
e.stringv(tag, reflect.ValueOf(iface.(time.Duration).String())) |
||||
} else { |
||||
e.intv(tag, in) |
||||
} |
||||
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: |
||||
e.uintv(tag, in) |
||||
case reflect.Float32, reflect.Float64: |
||||
e.floatv(tag, in) |
||||
case reflect.Bool: |
||||
e.boolv(tag, in) |
||||
default: |
||||
panic("cannot marshal type: " + in.Type().String()) |
||||
} |
||||
} |
||||
|
||||
func (e *encoder) mapv(tag string, in reflect.Value) { |
||||
e.mappingv(tag, func() { |
||||
keys := keyList(in.MapKeys()) |
||||
sort.Sort(keys) |
||||
for _, k := range keys { |
||||
e.marshal("", k) |
||||
e.marshal("", in.MapIndex(k)) |
||||
} |
||||
}) |
||||
} |
||||
|
||||
func (e *encoder) itemsv(tag string, in reflect.Value) { |
||||
e.mappingv(tag, func() { |
||||
slice := in.Convert(reflect.TypeOf([]MapItem{})).Interface().([]MapItem) |
||||
for _, item := range slice { |
||||
e.marshal("", reflect.ValueOf(item.Key)) |
||||
e.marshal("", reflect.ValueOf(item.Value)) |
||||
} |
||||
}) |
||||
} |
||||
|
||||
func (e *encoder) structv(tag string, in reflect.Value) { |
||||
sinfo, err := getStructInfo(in.Type()) |
||||
if err != nil { |
||||
panic(err) |
||||
} |
||||
e.mappingv(tag, func() { |
||||
for _, info := range sinfo.FieldsList { |
||||
var value reflect.Value |
||||
if info.Inline == nil { |
||||
value = in.Field(info.Num) |
||||
} else { |
||||
value = in.FieldByIndex(info.Inline) |
||||
} |
||||
if info.OmitEmpty && isZero(value) { |
||||
continue |
||||
} |
||||
e.marshal("", reflect.ValueOf(info.Key)) |
||||
e.flow = info.Flow |
||||
e.marshal("", value) |
||||
} |
||||
if sinfo.InlineMap >= 0 { |
||||
m := in.Field(sinfo.InlineMap) |
||||
if m.Len() > 0 { |
||||
e.flow = false |
||||
keys := keyList(m.MapKeys()) |
||||
sort.Sort(keys) |
||||
for _, k := range keys { |
||||
if _, found := sinfo.FieldsMap[k.String()]; found { |
||||
panic(fmt.Sprintf("Can't have key %q in inlined map; conflicts with struct field", k.String())) |
||||
} |
||||
e.marshal("", k) |
||||
e.flow = false |
||||
e.marshal("", m.MapIndex(k)) |
||||
} |
||||
} |
||||
} |
||||
}) |
||||
} |
||||
|
||||
func (e *encoder) mappingv(tag string, f func()) { |
||||
implicit := tag == "" |
||||
style := yaml_BLOCK_MAPPING_STYLE |
||||
if e.flow { |
||||
e.flow = false |
||||
style = yaml_FLOW_MAPPING_STYLE |
||||
} |
||||
yaml_mapping_start_event_initialize(&e.event, nil, []byte(tag), implicit, style) |
||||
e.emit() |
||||
f() |
||||
yaml_mapping_end_event_initialize(&e.event) |
||||
e.emit() |
||||
} |
||||
|
||||
func (e *encoder) slicev(tag string, in reflect.Value) { |
||||
implicit := tag == "" |
||||
style := yaml_BLOCK_SEQUENCE_STYLE |
||||
if e.flow { |
||||
e.flow = false |
||||
style = yaml_FLOW_SEQUENCE_STYLE |
||||
} |
||||
e.must(yaml_sequence_start_event_initialize(&e.event, nil, []byte(tag), implicit, style)) |
||||
e.emit() |
||||
n := in.Len() |
||||
for i := 0; i < n; i++ { |
||||
e.marshal("", in.Index(i)) |
||||
} |
||||
e.must(yaml_sequence_end_event_initialize(&e.event)) |
||||
e.emit() |
||||
} |
||||
|
||||
// isBase60 returns whether s is in base 60 notation as defined in YAML 1.1.
|
||||
//
|
||||
// The base 60 float notation in YAML 1.1 is a terrible idea and is unsupported
|
||||
// in YAML 1.2 and by this package, but these should be marshalled quoted for
|
||||
// the time being for compatibility with other parsers.
|
||||
func isBase60Float(s string) (result bool) { |
||||
// Fast path.
|
||||
if s == "" { |
||||
return false |
||||
} |
||||
c := s[0] |
||||
if !(c == '+' || c == '-' || c >= '0' && c <= '9') || strings.IndexByte(s, ':') < 0 { |
||||
return false |
||||
} |
||||
// Do the full match.
|
||||
return base60float.MatchString(s) |
||||
} |
||||
|
||||
// From http://yaml.org/type/float.html, except the regular expression there
|
||||
// is bogus. In practice parsers do not enforce the "\.[0-9_]*" suffix.
|
||||
var base60float = regexp.MustCompile(`^[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+(?:\.[0-9_]*)?$`) |
||||
|
||||
func (e *encoder) stringv(tag string, in reflect.Value) { |
||||
var style yaml_scalar_style_t |
||||
s := in.String() |
||||
canUsePlain := true |
||||
switch { |
||||
case !utf8.ValidString(s): |
||||
if tag == yaml_BINARY_TAG { |
||||
failf("explicitly tagged !!binary data must be base64-encoded") |
||||
} |
||||
if tag != "" { |
||||
failf("cannot marshal invalid UTF-8 data as %s", shortTag(tag)) |
||||
} |
||||
// It can't be encoded directly as YAML so use a binary tag
|
||||
// and encode it as base64.
|
||||
tag = yaml_BINARY_TAG |
||||
s = encodeBase64(s) |
||||
case tag == "": |
||||
// Check to see if it would resolve to a specific
|
||||
// tag when encoded unquoted. If it doesn't,
|
||||
// there's no need to quote it.
|
||||
rtag, _ := resolve("", s) |
||||
canUsePlain = rtag == yaml_STR_TAG && !isBase60Float(s) |
||||
} |
||||
// Note: it's possible for user code to emit invalid YAML
|
||||
// if they explicitly specify a tag and a string containing
|
||||
// text that's incompatible with that tag.
|
||||
switch { |
||||
case strings.Contains(s, "\n"): |
||||
style = yaml_LITERAL_SCALAR_STYLE |
||||
case canUsePlain: |
||||
style = yaml_PLAIN_SCALAR_STYLE |
||||
default: |
||||
style = yaml_DOUBLE_QUOTED_SCALAR_STYLE |
||||
} |
||||
e.emitScalar(s, "", tag, style) |
||||
} |
||||
|
||||
func (e *encoder) boolv(tag string, in reflect.Value) { |
||||
var s string |
||||
if in.Bool() { |
||||
s = "true" |
||||
} else { |
||||
s = "false" |
||||
} |
||||
e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE) |
||||
} |
||||
|
||||
func (e *encoder) intv(tag string, in reflect.Value) { |
||||
s := strconv.FormatInt(in.Int(), 10) |
||||
e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE) |
||||
} |
||||
|
||||
func (e *encoder) uintv(tag string, in reflect.Value) { |
||||
s := strconv.FormatUint(in.Uint(), 10) |
||||
e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE) |
||||
} |
||||
|
||||
func (e *encoder) timev(tag string, in reflect.Value) { |
||||
t := in.Interface().(time.Time) |
||||
s := t.Format(time.RFC3339Nano) |
||||
e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE) |
||||
} |
||||
|
||||
func (e *encoder) floatv(tag string, in reflect.Value) { |
||||
// Issue #352: When formatting, use the precision of the underlying value
|
||||
precision := 64 |
||||
if in.Kind() == reflect.Float32 { |
||||
precision = 32 |
||||
} |
||||
|
||||
s := strconv.FormatFloat(in.Float(), 'g', -1, precision) |
||||
switch s { |
||||
case "+Inf": |
||||
s = ".inf" |
||||
case "-Inf": |
||||
s = "-.inf" |
||||
case "NaN": |
||||
s = ".nan" |
||||
} |
||||
e.emitScalar(s, "", tag, yaml_PLAIN_SCALAR_STYLE) |
||||
} |
||||
|
||||
func (e *encoder) nilv() { |
||||
e.emitScalar("null", "", "", yaml_PLAIN_SCALAR_STYLE) |
||||
} |
||||
|
||||
func (e *encoder) emitScalar(value, anchor, tag string, style yaml_scalar_style_t) { |
||||
implicit := tag == "" |
||||
e.must(yaml_scalar_event_initialize(&e.event, []byte(anchor), []byte(tag), []byte(value), implicit, implicit, style)) |
||||
e.emit() |
||||
} |
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,412 @@ |
||||
package yaml |
||||
|
||||
import ( |
||||
"io" |
||||
) |
||||
|
||||
// Set the reader error and return 0.
|
||||
func yaml_parser_set_reader_error(parser *yaml_parser_t, problem string, offset int, value int) bool { |
||||
parser.error = yaml_READER_ERROR |
||||
parser.problem = problem |
||||
parser.problem_offset = offset |
||||
parser.problem_value = value |
||||
return false |
||||
} |
||||
|
||||
// Byte order marks.
|
||||
const ( |
||||
bom_UTF8 = "\xef\xbb\xbf" |
||||
bom_UTF16LE = "\xff\xfe" |
||||
bom_UTF16BE = "\xfe\xff" |
||||
) |
||||
|
||||
// Determine the input stream encoding by checking the BOM symbol. If no BOM is
|
||||
// found, the UTF-8 encoding is assumed. Return 1 on success, 0 on failure.
|
||||
func yaml_parser_determine_encoding(parser *yaml_parser_t) bool { |
||||
// Ensure that we had enough bytes in the raw buffer.
|
||||
for !parser.eof && len(parser.raw_buffer)-parser.raw_buffer_pos < 3 { |
||||
if !yaml_parser_update_raw_buffer(parser) { |
||||
return false |
||||
} |
||||
} |
||||
|
||||
// Determine the encoding.
|
||||
buf := parser.raw_buffer |
||||
pos := parser.raw_buffer_pos |
||||
avail := len(buf) - pos |
||||
if avail >= 2 && buf[pos] == bom_UTF16LE[0] && buf[pos+1] == bom_UTF16LE[1] { |
||||
parser.encoding = yaml_UTF16LE_ENCODING |
||||
parser.raw_buffer_pos += 2 |
||||
parser.offset += 2 |
||||
} else if avail >= 2 && buf[pos] == bom_UTF16BE[0] && buf[pos+1] == bom_UTF16BE[1] { |
||||
parser.encoding = yaml_UTF16BE_ENCODING |
||||
parser.raw_buffer_pos += 2 |
||||
parser.offset += 2 |
||||
} else if avail >= 3 && buf[pos] == bom_UTF8[0] && buf[pos+1] == bom_UTF8[1] && buf[pos+2] == bom_UTF8[2] { |
||||
parser.encoding = yaml_UTF8_ENCODING |
||||
parser.raw_buffer_pos += 3 |
||||
parser.offset += 3 |
||||
} else { |
||||
parser.encoding = yaml_UTF8_ENCODING |
||||
} |
||||
return true |
||||
} |
||||
|
||||
// Update the raw buffer.
|
||||
func yaml_parser_update_raw_buffer(parser *yaml_parser_t) bool { |
||||
size_read := 0 |
||||
|
||||
// Return if the raw buffer is full.
|
||||
if parser.raw_buffer_pos == 0 && len(parser.raw_buffer) == cap(parser.raw_buffer) { |
||||
return true |
||||
} |
||||
|
||||
// Return on EOF.
|
||||
if parser.eof { |
||||
return true |
||||
} |
||||
|
||||
// Move the remaining bytes in the raw buffer to the beginning.
|
||||
if parser.raw_buffer_pos > 0 && parser.raw_buffer_pos < len(parser.raw_buffer) { |
||||
copy(parser.raw_buffer, parser.raw_buffer[parser.raw_buffer_pos:]) |
||||
} |
||||
parser.raw_buffer = parser.raw_buffer[:len(parser.raw_buffer)-parser.raw_buffer_pos] |
||||
parser.raw_buffer_pos = 0 |
||||
|
||||
// Call the read handler to fill the buffer.
|
||||
size_read, err := parser.read_handler(parser, parser.raw_buffer[len(parser.raw_buffer):cap(parser.raw_buffer)]) |
||||
parser.raw_buffer = parser.raw_buffer[:len(parser.raw_buffer)+size_read] |
||||
if err == io.EOF { |
||||
parser.eof = true |
||||
} else if err != nil { |
||||
return yaml_parser_set_reader_error(parser, "input error: "+err.Error(), parser.offset, -1) |
||||
} |
||||
return true |
||||
} |
||||
|
||||
// Ensure that the buffer contains at least `length` characters.
|
||||
// Return true on success, false on failure.
|
||||
//
|
||||
// The length is supposed to be significantly less that the buffer size.
|
||||
func yaml_parser_update_buffer(parser *yaml_parser_t, length int) bool { |
||||
if parser.read_handler == nil { |
||||
panic("read handler must be set") |
||||
} |
||||
|
||||
// [Go] This function was changed to guarantee the requested length size at EOF.
|
||||
// The fact we need to do this is pretty awful, but the description above implies
|
||||
// for that to be the case, and there are tests
|
||||
|
||||
// If the EOF flag is set and the raw buffer is empty, do nothing.
|
||||
if parser.eof && parser.raw_buffer_pos == len(parser.raw_buffer) { |
||||
// [Go] ACTUALLY! Read the documentation of this function above.
|
||||
// This is just broken. To return true, we need to have the
|
||||
// given length in the buffer. Not doing that means every single
|
||||
// check that calls this function to make sure the buffer has a
|
||||
// given length is Go) panicking; or C) accessing invalid memory.
|
||||
//return true
|
||||
} |
||||
|
||||
// Return if the buffer contains enough characters.
|
||||
if parser.unread >= length { |
||||
return true |
||||
} |
||||
|
||||
// Determine the input encoding if it is not known yet.
|
||||
if parser.encoding == yaml_ANY_ENCODING { |
||||
if !yaml_parser_determine_encoding(parser) { |
||||
return false |
||||
} |
||||
} |
||||
|
||||
// Move the unread characters to the beginning of the buffer.
|
||||
buffer_len := len(parser.buffer) |
||||
if parser.buffer_pos > 0 && parser.buffer_pos < buffer_len { |
||||
copy(parser.buffer, parser.buffer[parser.buffer_pos:]) |
||||
buffer_len -= parser.buffer_pos |
||||
parser.buffer_pos = 0 |
||||
} else if parser.buffer_pos == buffer_len { |
||||
buffer_len = 0 |
||||
parser.buffer_pos = 0 |
||||
} |
||||
|
||||
// Open the whole buffer for writing, and cut it before returning.
|
||||
parser.buffer = parser.buffer[:cap(parser.buffer)] |
||||
|
||||
// Fill the buffer until it has enough characters.
|
||||
first := true |
||||
for parser.unread < length { |
||||
|
||||
// Fill the raw buffer if necessary.
|
||||
if !first || parser.raw_buffer_pos == len(parser.raw_buffer) { |
||||
if !yaml_parser_update_raw_buffer(parser) { |
||||
parser.buffer = parser.buffer[:buffer_len] |
||||
return false |
||||
} |
||||
} |
||||
first = false |
||||
|
||||
// Decode the raw buffer.
|
||||
inner: |
||||
for parser.raw_buffer_pos != len(parser.raw_buffer) { |
||||
var value rune |
||||
var width int |
||||
|
||||
raw_unread := len(parser.raw_buffer) - parser.raw_buffer_pos |
||||
|
||||
// Decode the next character.
|
||||
switch parser.encoding { |
||||
case yaml_UTF8_ENCODING: |
||||
// Decode a UTF-8 character. Check RFC 3629
|
||||
// (http://www.ietf.org/rfc/rfc3629.txt) for more details.
|
||||
//
|
||||
// The following table (taken from the RFC) is used for
|
||||
// decoding.
|
||||
//
|
||||
// Char. number range | UTF-8 octet sequence
|
||||
// (hexadecimal) | (binary)
|
||||
// --------------------+------------------------------------
|
||||
// 0000 0000-0000 007F | 0xxxxxxx
|
||||
// 0000 0080-0000 07FF | 110xxxxx 10xxxxxx
|
||||
// 0000 0800-0000 FFFF | 1110xxxx 10xxxxxx 10xxxxxx
|
||||
// 0001 0000-0010 FFFF | 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
|
||||
//
|
||||
// Additionally, the characters in the range 0xD800-0xDFFF
|
||||
// are prohibited as they are reserved for use with UTF-16
|
||||
// surrogate pairs.
|
||||
|
||||
// Determine the length of the UTF-8 sequence.
|
||||
octet := parser.raw_buffer[parser.raw_buffer_pos] |
||||
switch { |
||||
case octet&0x80 == 0x00: |
||||
width = 1 |
||||
case octet&0xE0 == 0xC0: |
||||
width = 2 |
||||
case octet&0xF0 == 0xE0: |
||||
width = 3 |
||||
case octet&0xF8 == 0xF0: |
||||
width = 4 |
||||
default: |
||||
// The leading octet is invalid.
|
||||
return yaml_parser_set_reader_error(parser, |
||||
"invalid leading UTF-8 octet", |
||||
parser.offset, int(octet)) |
||||
} |
||||
|
||||
// Check if the raw buffer contains an incomplete character.
|
||||
if width > raw_unread { |
||||
if parser.eof { |
||||
return yaml_parser_set_reader_error(parser, |
||||
"incomplete UTF-8 octet sequence", |
||||
parser.offset, -1) |
||||
} |
||||
break inner |
||||
} |
||||
|
||||
// Decode the leading octet.
|
||||
switch { |
||||
case octet&0x80 == 0x00: |
||||
value = rune(octet & 0x7F) |
||||
case octet&0xE0 == 0xC0: |
||||
value = rune(octet & 0x1F) |
||||
case octet&0xF0 == 0xE0: |
||||
value = rune(octet & 0x0F) |
||||
case octet&0xF8 == 0xF0: |
||||
value = rune(octet & 0x07) |
||||
default: |
||||
value = 0 |
||||
} |
||||
|
||||
// Check and decode the trailing octets.
|
||||
for k := 1; k < width; k++ { |
||||
octet = parser.raw_buffer[parser.raw_buffer_pos+k] |
||||
|
||||
// Check if the octet is valid.
|
||||
if (octet & 0xC0) != 0x80 { |
||||
return yaml_parser_set_reader_error(parser, |
||||
"invalid trailing UTF-8 octet", |
||||
parser.offset+k, int(octet)) |
||||
} |
||||
|
||||
// Decode the octet.
|
||||
value = (value << 6) + rune(octet&0x3F) |
||||
} |
||||
|
||||
// Check the length of the sequence against the value.
|
||||
switch { |
||||
case width == 1: |
||||
case width == 2 && value >= 0x80: |
||||
case width == 3 && value >= 0x800: |
||||
case width == 4 && value >= 0x10000: |
||||
default: |
||||
return yaml_parser_set_reader_error(parser, |
||||
"invalid length of a UTF-8 sequence", |
||||
parser.offset, -1) |
||||
} |
||||
|
||||
// Check the range of the value.
|
||||
if value >= 0xD800 && value <= 0xDFFF || value > 0x10FFFF { |
||||
return yaml_parser_set_reader_error(parser, |
||||
"invalid Unicode character", |
||||
parser.offset, int(value)) |
||||
} |
||||
|
||||
case yaml_UTF16LE_ENCODING, yaml_UTF16BE_ENCODING: |
||||
var low, high int |
||||
if parser.encoding == yaml_UTF16LE_ENCODING { |
||||
low, high = 0, 1 |
||||
} else { |
||||
low, high = 1, 0 |
||||
} |
||||
|
||||
// The UTF-16 encoding is not as simple as one might
|
||||
// naively think. Check RFC 2781
|
||||
// (http://www.ietf.org/rfc/rfc2781.txt).
|
||||
//
|
||||
// Normally, two subsequent bytes describe a Unicode
|
||||
// character. However a special technique (called a
|
||||
// surrogate pair) is used for specifying character
|
||||
// values larger than 0xFFFF.
|
||||
//
|
||||
// A surrogate pair consists of two pseudo-characters:
|
||||
// high surrogate area (0xD800-0xDBFF)
|
||||
// low surrogate area (0xDC00-0xDFFF)
|
||||
//
|
||||
// The following formulas are used for decoding
|
||||
// and encoding characters using surrogate pairs:
|
||||
//
|
||||
// U = U' + 0x10000 (0x01 00 00 <= U <= 0x10 FF FF)
|
||||
// U' = yyyyyyyyyyxxxxxxxxxx (0 <= U' <= 0x0F FF FF)
|
||||
// W1 = 110110yyyyyyyyyy
|
||||
// W2 = 110111xxxxxxxxxx
|
||||
//
|
||||
// where U is the character value, W1 is the high surrogate
|
||||
// area, W2 is the low surrogate area.
|
||||
|
||||
// Check for incomplete UTF-16 character.
|
||||
if raw_unread < 2 { |
||||
if parser.eof { |
||||
return yaml_parser_set_reader_error(parser, |
||||
"incomplete UTF-16 character", |
||||
parser.offset, -1) |
||||
} |
||||
break inner |
||||
} |
||||
|
||||
// Get the character.
|
||||
value = rune(parser.raw_buffer[parser.raw_buffer_pos+low]) + |
||||
(rune(parser.raw_buffer[parser.raw_buffer_pos+high]) << 8) |
||||
|
||||
// Check for unexpected low surrogate area.
|
||||
if value&0xFC00 == 0xDC00 { |
||||
return yaml_parser_set_reader_error(parser, |
||||
"unexpected low surrogate area", |
||||
parser.offset, int(value)) |
||||
} |
||||
|
||||
// Check for a high surrogate area.
|
||||
if value&0xFC00 == 0xD800 { |
||||
width = 4 |
||||
|
||||
// Check for incomplete surrogate pair.
|
||||
if raw_unread < 4 { |
||||
if parser.eof { |
||||
return yaml_parser_set_reader_error(parser, |
||||
"incomplete UTF-16 surrogate pair", |
||||
parser.offset, -1) |
||||
} |
||||
break inner |
||||
} |
||||
|
||||
// Get the next character.
|
||||
value2 := rune(parser.raw_buffer[parser.raw_buffer_pos+low+2]) + |
||||
(rune(parser.raw_buffer[parser.raw_buffer_pos+high+2]) << 8) |
||||
|
||||
// Check for a low surrogate area.
|
||||
if value2&0xFC00 != 0xDC00 { |
||||
return yaml_parser_set_reader_error(parser, |
||||
"expected low surrogate area", |
||||
parser.offset+2, int(value2)) |
||||
} |
||||
|
||||
// Generate the value of the surrogate pair.
|
||||
value = 0x10000 + ((value & 0x3FF) << 10) + (value2 & 0x3FF) |
||||
} else { |
||||
width = 2 |
||||
} |
||||
|
||||
default: |
||||
panic("impossible") |
||||
} |
||||
|
||||
// Check if the character is in the allowed range:
|
||||
// #x9 | #xA | #xD | [#x20-#x7E] (8 bit)
|
||||
// | #x85 | [#xA0-#xD7FF] | [#xE000-#xFFFD] (16 bit)
|
||||
// | [#x10000-#x10FFFF] (32 bit)
|
||||
switch { |
||||
case value == 0x09: |
||||
case value == 0x0A: |
||||
case value == 0x0D: |
||||
case value >= 0x20 && value <= 0x7E: |
||||
case value == 0x85: |
||||
case value >= 0xA0 && value <= 0xD7FF: |
||||
case value >= 0xE000 && value <= 0xFFFD: |
||||
case value >= 0x10000 && value <= 0x10FFFF: |
||||
default: |
||||
return yaml_parser_set_reader_error(parser, |
||||
"control characters are not allowed", |
||||
parser.offset, int(value)) |
||||
} |
||||
|
||||
// Move the raw pointers.
|
||||
parser.raw_buffer_pos += width |
||||
parser.offset += width |
||||
|
||||
// Finally put the character into the buffer.
|
||||
if value <= 0x7F { |
||||
// 0000 0000-0000 007F . 0xxxxxxx
|
||||
parser.buffer[buffer_len+0] = byte(value) |
||||
buffer_len += 1 |
||||
} else if value <= 0x7FF { |
||||
// 0000 0080-0000 07FF . 110xxxxx 10xxxxxx
|
||||
parser.buffer[buffer_len+0] = byte(0xC0 + (value >> 6)) |
||||
parser.buffer[buffer_len+1] = byte(0x80 + (value & 0x3F)) |
||||
buffer_len += 2 |
||||
} else if value <= 0xFFFF { |
||||
// 0000 0800-0000 FFFF . 1110xxxx 10xxxxxx 10xxxxxx
|
||||
parser.buffer[buffer_len+0] = byte(0xE0 + (value >> 12)) |
||||
parser.buffer[buffer_len+1] = byte(0x80 + ((value >> 6) & 0x3F)) |
||||
parser.buffer[buffer_len+2] = byte(0x80 + (value & 0x3F)) |
||||
buffer_len += 3 |
||||
} else { |
||||
// 0001 0000-0010 FFFF . 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
|
||||
parser.buffer[buffer_len+0] = byte(0xF0 + (value >> 18)) |
||||
parser.buffer[buffer_len+1] = byte(0x80 + ((value >> 12) & 0x3F)) |
||||
parser.buffer[buffer_len+2] = byte(0x80 + ((value >> 6) & 0x3F)) |
||||
parser.buffer[buffer_len+3] = byte(0x80 + (value & 0x3F)) |
||||
buffer_len += 4 |
||||
} |
||||
|
||||
parser.unread++ |
||||
} |
||||
|
||||
// On EOF, put NUL into the buffer and return.
|
||||
if parser.eof { |
||||
parser.buffer[buffer_len] = 0 |
||||
buffer_len++ |
||||
parser.unread++ |
||||
break |
||||
} |
||||
} |
||||
// [Go] Read the documentation of this function above. To return true,
|
||||
// we need to have the given length in the buffer. Not doing that means
|
||||
// every single check that calls this function to make sure the buffer
|
||||
// has a given length is Go) panicking; or C) accessing invalid memory.
|
||||
// This happens here due to the EOF above breaking early.
|
||||
for buffer_len < length { |
||||
parser.buffer[buffer_len] = 0 |
||||
buffer_len++ |
||||
} |
||||
parser.buffer = parser.buffer[:buffer_len] |
||||
return true |
||||
} |
||||
@ -0,0 +1,258 @@ |
||||
package yaml |
||||
|
||||
import ( |
||||
"encoding/base64" |
||||
"math" |
||||
"regexp" |
||||
"strconv" |
||||
"strings" |
||||
"time" |
||||
) |
||||
|
||||
type resolveMapItem struct { |
||||
value interface{} |
||||
tag string |
||||
} |
||||
|
||||
var resolveTable = make([]byte, 256) |
||||
var resolveMap = make(map[string]resolveMapItem) |
||||
|
||||
func init() { |
||||
t := resolveTable |
||||
t[int('+')] = 'S' // Sign
|
||||
t[int('-')] = 'S' |
||||
for _, c := range "0123456789" { |
||||
t[int(c)] = 'D' // Digit
|
||||
} |
||||
for _, c := range "yYnNtTfFoO~" { |
||||
t[int(c)] = 'M' // In map
|
||||
} |
||||
t[int('.')] = '.' // Float (potentially in map)
|
||||
|
||||
var resolveMapList = []struct { |
||||
v interface{} |
||||
tag string |
||||
l []string |
||||
}{ |
||||
{true, yaml_BOOL_TAG, []string{"y", "Y", "yes", "Yes", "YES"}}, |
||||
{true, yaml_BOOL_TAG, []string{"true", "True", "TRUE"}}, |
||||
{true, yaml_BOOL_TAG, []string{"on", "On", "ON"}}, |
||||
{false, yaml_BOOL_TAG, []string{"n", "N", "no", "No", "NO"}}, |
||||
{false, yaml_BOOL_TAG, []string{"false", "False", "FALSE"}}, |
||||
{false, yaml_BOOL_TAG, []string{"off", "Off", "OFF"}}, |
||||
{nil, yaml_NULL_TAG, []string{"", "~", "null", "Null", "NULL"}}, |
||||
{math.NaN(), yaml_FLOAT_TAG, []string{".nan", ".NaN", ".NAN"}}, |
||||
{math.Inf(+1), yaml_FLOAT_TAG, []string{".inf", ".Inf", ".INF"}}, |
||||
{math.Inf(+1), yaml_FLOAT_TAG, []string{"+.inf", "+.Inf", "+.INF"}}, |
||||
{math.Inf(-1), yaml_FLOAT_TAG, []string{"-.inf", "-.Inf", "-.INF"}}, |
||||
{"<<", yaml_MERGE_TAG, []string{"<<"}}, |
||||
} |
||||
|
||||
m := resolveMap |
||||
for _, item := range resolveMapList { |
||||
for _, s := range item.l { |
||||
m[s] = resolveMapItem{item.v, item.tag} |
||||
} |
||||
} |
||||
} |
||||
|
||||
const longTagPrefix = "tag:yaml.org,2002:" |
||||
|
||||
func shortTag(tag string) string { |
||||
// TODO This can easily be made faster and produce less garbage.
|
||||
if strings.HasPrefix(tag, longTagPrefix) { |
||||
return "!!" + tag[len(longTagPrefix):] |
||||
} |
||||
return tag |
||||
} |
||||
|
||||
func longTag(tag string) string { |
||||
if strings.HasPrefix(tag, "!!") { |
||||
return longTagPrefix + tag[2:] |
||||
} |
||||
return tag |
||||
} |
||||
|
||||
func resolvableTag(tag string) bool { |
||||
switch tag { |
||||
case "", yaml_STR_TAG, yaml_BOOL_TAG, yaml_INT_TAG, yaml_FLOAT_TAG, yaml_NULL_TAG, yaml_TIMESTAMP_TAG: |
||||
return true |
||||
} |
||||
return false |
||||
} |
||||
|
||||
var yamlStyleFloat = regexp.MustCompile(`^[-+]?(\.[0-9]+|[0-9]+(\.[0-9]*)?)([eE][-+]?[0-9]+)?$`) |
||||
|
||||
func resolve(tag string, in string) (rtag string, out interface{}) { |
||||
if !resolvableTag(tag) { |
||||
return tag, in |
||||
} |
||||
|
||||
defer func() { |
||||
switch tag { |
||||
case "", rtag, yaml_STR_TAG, yaml_BINARY_TAG: |
||||
return |
||||
case yaml_FLOAT_TAG: |
||||
if rtag == yaml_INT_TAG { |
||||
switch v := out.(type) { |
||||
case int64: |
||||
rtag = yaml_FLOAT_TAG |
||||
out = float64(v) |
||||
return |
||||
case int: |
||||
rtag = yaml_FLOAT_TAG |
||||
out = float64(v) |
||||
return |
||||
} |
||||
} |
||||
} |
||||
failf("cannot decode %s `%s` as a %s", shortTag(rtag), in, shortTag(tag)) |
||||
}() |
||||
|
||||
// Any data is accepted as a !!str or !!binary.
|
||||
// Otherwise, the prefix is enough of a hint about what it might be.
|
||||
hint := byte('N') |
||||
if in != "" { |
||||
hint = resolveTable[in[0]] |
||||
} |
||||
if hint != 0 && tag != yaml_STR_TAG && tag != yaml_BINARY_TAG { |
||||
// Handle things we can lookup in a map.
|
||||
if item, ok := resolveMap[in]; ok { |
||||
return item.tag, item.value |
||||
} |
||||
|
||||
// Base 60 floats are a bad idea, were dropped in YAML 1.2, and
|
||||
// are purposefully unsupported here. They're still quoted on
|
||||
// the way out for compatibility with other parser, though.
|
||||
|
||||
switch hint { |
||||
case 'M': |
||||
// We've already checked the map above.
|
||||
|
||||
case '.': |
||||
// Not in the map, so maybe a normal float.
|
||||
floatv, err := strconv.ParseFloat(in, 64) |
||||
if err == nil { |
||||
return yaml_FLOAT_TAG, floatv |
||||
} |
||||
|
||||
case 'D', 'S': |
||||
// Int, float, or timestamp.
|
||||
// Only try values as a timestamp if the value is unquoted or there's an explicit
|
||||
// !!timestamp tag.
|
||||
if tag == "" || tag == yaml_TIMESTAMP_TAG { |
||||
t, ok := parseTimestamp(in) |
||||
if ok { |
||||
return yaml_TIMESTAMP_TAG, t |
||||
} |
||||
} |
||||
|
||||
plain := strings.Replace(in, "_", "", -1) |
||||
intv, err := strconv.ParseInt(plain, 0, 64) |
||||
if err == nil { |
||||
if intv == int64(int(intv)) { |
||||
return yaml_INT_TAG, int(intv) |
||||
} else { |
||||
return yaml_INT_TAG, intv |
||||
} |
||||
} |
||||
uintv, err := strconv.ParseUint(plain, 0, 64) |
||||
if err == nil { |
||||
return yaml_INT_TAG, uintv |
||||
} |
||||
if yamlStyleFloat.MatchString(plain) { |
||||
floatv, err := strconv.ParseFloat(plain, 64) |
||||
if err == nil { |
||||
return yaml_FLOAT_TAG, floatv |
||||
} |
||||
} |
||||
if strings.HasPrefix(plain, "0b") { |
||||
intv, err := strconv.ParseInt(plain[2:], 2, 64) |
||||
if err == nil { |
||||
if intv == int64(int(intv)) { |
||||
return yaml_INT_TAG, int(intv) |
||||
} else { |
||||
return yaml_INT_TAG, intv |
||||
} |
||||
} |
||||
uintv, err := strconv.ParseUint(plain[2:], 2, 64) |
||||
if err == nil { |
||||
return yaml_INT_TAG, uintv |
||||
} |
||||
} else if strings.HasPrefix(plain, "-0b") { |
||||
intv, err := strconv.ParseInt("-" + plain[3:], 2, 64) |
||||
if err == nil { |
||||
if true || intv == int64(int(intv)) { |
||||
return yaml_INT_TAG, int(intv) |
||||
} else { |
||||
return yaml_INT_TAG, intv |
||||
} |
||||
} |
||||
} |
||||
default: |
||||
panic("resolveTable item not yet handled: " + string(rune(hint)) + " (with " + in + ")") |
||||
} |
||||
} |
||||
return yaml_STR_TAG, in |
||||
} |
||||
|
||||
// encodeBase64 encodes s as base64 that is broken up into multiple lines
|
||||
// as appropriate for the resulting length.
|
||||
func encodeBase64(s string) string { |
||||
const lineLen = 70 |
||||
encLen := base64.StdEncoding.EncodedLen(len(s)) |
||||
lines := encLen/lineLen + 1 |
||||
buf := make([]byte, encLen*2+lines) |
||||
in := buf[0:encLen] |
||||
out := buf[encLen:] |
||||
base64.StdEncoding.Encode(in, []byte(s)) |
||||
k := 0 |
||||
for i := 0; i < len(in); i += lineLen { |
||||
j := i + lineLen |
||||
if j > len(in) { |
||||
j = len(in) |
||||
} |
||||
k += copy(out[k:], in[i:j]) |
||||
if lines > 1 { |
||||
out[k] = '\n' |
||||
k++ |
||||
} |
||||
} |
||||
return string(out[:k]) |
||||
} |
||||
|
||||
// This is a subset of the formats allowed by the regular expression
|
||||
// defined at http://yaml.org/type/timestamp.html.
|
||||
var allowedTimestampFormats = []string{ |
||||
"2006-1-2T15:4:5.999999999Z07:00", // RCF3339Nano with short date fields.
|
||||
"2006-1-2t15:4:5.999999999Z07:00", // RFC3339Nano with short date fields and lower-case "t".
|
||||
"2006-1-2 15:4:5.999999999", // space separated with no time zone
|
||||
"2006-1-2", // date only
|
||||
// Notable exception: time.Parse cannot handle: "2001-12-14 21:59:43.10 -5"
|
||||
// from the set of examples.
|
||||
} |
||||
|
||||
// parseTimestamp parses s as a timestamp string and
|
||||
// returns the timestamp and reports whether it succeeded.
|
||||
// Timestamp formats are defined at http://yaml.org/type/timestamp.html
|
||||
func parseTimestamp(s string) (time.Time, bool) { |
||||
// TODO write code to check all the formats supported by
|
||||
// http://yaml.org/type/timestamp.html instead of using time.Parse.
|
||||
|
||||
// Quick check: all date formats start with YYYY-.
|
||||
i := 0 |
||||
for ; i < len(s); i++ { |
||||
if c := s[i]; c < '0' || c > '9' { |
||||
break |
||||
} |
||||
} |
||||
if i != 4 || i == len(s) || s[i] != '-' { |
||||
return time.Time{}, false |
||||
} |
||||
for _, format := range allowedTimestampFormats { |
||||
if t, err := time.Parse(format, s); err == nil { |
||||
return t, true |
||||
} |
||||
} |
||||
return time.Time{}, false |
||||
} |
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,113 @@ |
||||
package yaml |
||||
|
||||
import ( |
||||
"reflect" |
||||
"unicode" |
||||
) |
||||
|
||||
type keyList []reflect.Value |
||||
|
||||
func (l keyList) Len() int { return len(l) } |
||||
func (l keyList) Swap(i, j int) { l[i], l[j] = l[j], l[i] } |
||||
func (l keyList) Less(i, j int) bool { |
||||
a := l[i] |
||||
b := l[j] |
||||
ak := a.Kind() |
||||
bk := b.Kind() |
||||
for (ak == reflect.Interface || ak == reflect.Ptr) && !a.IsNil() { |
||||
a = a.Elem() |
||||
ak = a.Kind() |
||||
} |
||||
for (bk == reflect.Interface || bk == reflect.Ptr) && !b.IsNil() { |
||||
b = b.Elem() |
||||
bk = b.Kind() |
||||
} |
||||
af, aok := keyFloat(a) |
||||
bf, bok := keyFloat(b) |
||||
if aok && bok { |
||||
if af != bf { |
||||
return af < bf |
||||
} |
||||
if ak != bk { |
||||
return ak < bk |
||||
} |
||||
return numLess(a, b) |
||||
} |
||||
if ak != reflect.String || bk != reflect.String { |
||||
return ak < bk |
||||
} |
||||
ar, br := []rune(a.String()), []rune(b.String()) |
||||
for i := 0; i < len(ar) && i < len(br); i++ { |
||||
if ar[i] == br[i] { |
||||
continue |
||||
} |
||||
al := unicode.IsLetter(ar[i]) |
||||
bl := unicode.IsLetter(br[i]) |
||||
if al && bl { |
||||
return ar[i] < br[i] |
||||
} |
||||
if al || bl { |
||||
return bl |
||||
} |
||||
var ai, bi int |
||||
var an, bn int64 |
||||
if ar[i] == '0' || br[i] == '0' { |
||||
for j := i-1; j >= 0 && unicode.IsDigit(ar[j]); j-- { |
||||
if ar[j] != '0' { |
||||
an = 1 |
||||
bn = 1 |
||||
break |
||||
} |
||||
} |
||||
} |
||||
for ai = i; ai < len(ar) && unicode.IsDigit(ar[ai]); ai++ { |
||||
an = an*10 + int64(ar[ai]-'0') |
||||
} |
||||
for bi = i; bi < len(br) && unicode.IsDigit(br[bi]); bi++ { |
||||
bn = bn*10 + int64(br[bi]-'0') |
||||
} |
||||
if an != bn { |
||||
return an < bn |
||||
} |
||||
if ai != bi { |
||||
return ai < bi |
||||
} |
||||
return ar[i] < br[i] |
||||
} |
||||
return len(ar) < len(br) |
||||
} |
||||
|
||||
// keyFloat returns a float value for v if it is a number/bool
|
||||
// and whether it is a number/bool or not.
|
||||
func keyFloat(v reflect.Value) (f float64, ok bool) { |
||||
switch v.Kind() { |
||||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: |
||||
return float64(v.Int()), true |
||||
case reflect.Float32, reflect.Float64: |
||||
return v.Float(), true |
||||
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: |
||||
return float64(v.Uint()), true |
||||
case reflect.Bool: |
||||
if v.Bool() { |
||||
return 1, true |
||||
} |
||||
return 0, true |
||||
} |
||||
return 0, false |
||||
} |
||||
|
||||
// numLess returns whether a < b.
|
||||
// a and b must necessarily have the same kind.
|
||||
func numLess(a, b reflect.Value) bool { |
||||
switch a.Kind() { |
||||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: |
||||
return a.Int() < b.Int() |
||||
case reflect.Float32, reflect.Float64: |
||||
return a.Float() < b.Float() |
||||
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: |
||||
return a.Uint() < b.Uint() |
||||
case reflect.Bool: |
||||
return !a.Bool() && b.Bool() |
||||
} |
||||
panic("not a number") |
||||
} |
||||
@ -0,0 +1,26 @@ |
||||
package yaml |
||||
|
||||
// Set the writer error and return false.
|
||||
func yaml_emitter_set_writer_error(emitter *yaml_emitter_t, problem string) bool { |
||||
emitter.error = yaml_WRITER_ERROR |
||||
emitter.problem = problem |
||||
return false |
||||
} |
||||
|
||||
// Flush the output buffer.
|
||||
func yaml_emitter_flush(emitter *yaml_emitter_t) bool { |
||||
if emitter.write_handler == nil { |
||||
panic("write handler not set") |
||||
} |
||||
|
||||
// Check if the buffer is empty.
|
||||
if emitter.buffer_pos == 0 { |
||||
return true |
||||
} |
||||
|
||||
if err := emitter.write_handler(emitter, emitter.buffer[:emitter.buffer_pos]); err != nil { |
||||
return yaml_emitter_set_writer_error(emitter, "write error: "+err.Error()) |
||||
} |
||||
emitter.buffer_pos = 0 |
||||
return true |
||||
} |
||||
@ -0,0 +1,478 @@ |
||||
// Package yaml implements YAML support for the Go language.
|
||||
//
|
||||
// Source code and other details for the project are available at GitHub:
|
||||
//
|
||||
// https://github.com/yaml/go-yaml
|
||||
//
|
||||
package yaml |
||||
|
||||
import ( |
||||
"errors" |
||||
"fmt" |
||||
"io" |
||||
"reflect" |
||||
"strings" |
||||
"sync" |
||||
) |
||||
|
||||
// MapSlice encodes and decodes as a YAML map.
|
||||
// The order of keys is preserved when encoding and decoding.
|
||||
type MapSlice []MapItem |
||||
|
||||
// MapItem is an item in a MapSlice.
|
||||
type MapItem struct { |
||||
Key, Value interface{} |
||||
} |
||||
|
||||
// The Unmarshaler interface may be implemented by types to customize their
|
||||
// behavior when being unmarshaled from a YAML document. The UnmarshalYAML
|
||||
// method receives a function that may be called to unmarshal the original
|
||||
// YAML value into a field or variable. It is safe to call the unmarshal
|
||||
// function parameter more than once if necessary.
|
||||
type Unmarshaler interface { |
||||
UnmarshalYAML(unmarshal func(interface{}) error) error |
||||
} |
||||
|
||||
// The Marshaler interface may be implemented by types to customize their
|
||||
// behavior when being marshaled into a YAML document. The returned value
|
||||
// is marshaled in place of the original value implementing Marshaler.
|
||||
//
|
||||
// If an error is returned by MarshalYAML, the marshaling procedure stops
|
||||
// and returns with the provided error.
|
||||
type Marshaler interface { |
||||
MarshalYAML() (interface{}, error) |
||||
} |
||||
|
||||
// Unmarshal decodes the first document found within the in byte slice
|
||||
// and assigns decoded values into the out value.
|
||||
//
|
||||
// Maps and pointers (to a struct, string, int, etc) are accepted as out
|
||||
// values. If an internal pointer within a struct is not initialized,
|
||||
// the yaml package will initialize it if necessary for unmarshalling
|
||||
// the provided data. The out parameter must not be nil.
|
||||
//
|
||||
// The type of the decoded values should be compatible with the respective
|
||||
// values in out. If one or more values cannot be decoded due to a type
|
||||
// mismatches, decoding continues partially until the end of the YAML
|
||||
// content, and a *yaml.TypeError is returned with details for all
|
||||
// missed values.
|
||||
//
|
||||
// Struct fields are only unmarshalled if they are exported (have an
|
||||
// upper case first letter), and are unmarshalled using the field name
|
||||
// lowercased as the default key. Custom keys may be defined via the
|
||||
// "yaml" name in the field tag: the content preceding the first comma
|
||||
// is used as the key, and the following comma-separated options are
|
||||
// used to tweak the marshalling process (see Marshal).
|
||||
// Conflicting names result in a runtime error.
|
||||
//
|
||||
// For example:
|
||||
//
|
||||
// type T struct {
|
||||
// F int `yaml:"a,omitempty"`
|
||||
// B int
|
||||
// }
|
||||
// var t T
|
||||
// yaml.Unmarshal([]byte("a: 1\nb: 2"), &t)
|
||||
//
|
||||
// See the documentation of Marshal for the format of tags and a list of
|
||||
// supported tag options.
|
||||
//
|
||||
func Unmarshal(in []byte, out interface{}) (err error) { |
||||
return unmarshal(in, out, false) |
||||
} |
||||
|
||||
// UnmarshalStrict is like Unmarshal except that any fields that are found
|
||||
// in the data that do not have corresponding struct members, or mapping
|
||||
// keys that are duplicates, will result in
|
||||
// an error.
|
||||
func UnmarshalStrict(in []byte, out interface{}) (err error) { |
||||
return unmarshal(in, out, true) |
||||
} |
||||
|
||||
// A Decoder reads and decodes YAML values from an input stream.
|
||||
type Decoder struct { |
||||
strict bool |
||||
parser *parser |
||||
} |
||||
|
||||
// NewDecoder returns a new decoder that reads from r.
|
||||
//
|
||||
// The decoder introduces its own buffering and may read
|
||||
// data from r beyond the YAML values requested.
|
||||
func NewDecoder(r io.Reader) *Decoder { |
||||
return &Decoder{ |
||||
parser: newParserFromReader(r), |
||||
} |
||||
} |
||||
|
||||
// SetStrict sets whether strict decoding behaviour is enabled when
|
||||
// decoding items in the data (see UnmarshalStrict). By default, decoding is not strict.
|
||||
func (dec *Decoder) SetStrict(strict bool) { |
||||
dec.strict = strict |
||||
} |
||||
|
||||
// Decode reads the next YAML-encoded value from its input
|
||||
// and stores it in the value pointed to by v.
|
||||
//
|
||||
// See the documentation for Unmarshal for details about the
|
||||
// conversion of YAML into a Go value.
|
||||
func (dec *Decoder) Decode(v interface{}) (err error) { |
||||
d := newDecoder(dec.strict) |
||||
defer handleErr(&err) |
||||
node := dec.parser.parse() |
||||
if node == nil { |
||||
return io.EOF |
||||
} |
||||
out := reflect.ValueOf(v) |
||||
if out.Kind() == reflect.Ptr && !out.IsNil() { |
||||
out = out.Elem() |
||||
} |
||||
d.unmarshal(node, out) |
||||
if len(d.terrors) > 0 { |
||||
return &TypeError{d.terrors} |
||||
} |
||||
return nil |
||||
} |
||||
|
||||
func unmarshal(in []byte, out interface{}, strict bool) (err error) { |
||||
defer handleErr(&err) |
||||
d := newDecoder(strict) |
||||
p := newParser(in) |
||||
defer p.destroy() |
||||
node := p.parse() |
||||
if node != nil { |
||||
v := reflect.ValueOf(out) |
||||
if v.Kind() == reflect.Ptr && !v.IsNil() { |
||||
v = v.Elem() |
||||
} |
||||
d.unmarshal(node, v) |
||||
} |
||||
if len(d.terrors) > 0 { |
||||
return &TypeError{d.terrors} |
||||
} |
||||
return nil |
||||
} |
||||
|
||||
// Marshal serializes the value provided into a YAML document. The structure
|
||||
// of the generated document will reflect the structure of the value itself.
|
||||
// Maps and pointers (to struct, string, int, etc) are accepted as the in value.
|
||||
//
|
||||
// Struct fields are only marshalled if they are exported (have an upper case
|
||||
// first letter), and are marshalled using the field name lowercased as the
|
||||
// default key. Custom keys may be defined via the "yaml" name in the field
|
||||
// tag: the content preceding the first comma is used as the key, and the
|
||||
// following comma-separated options are used to tweak the marshalling process.
|
||||
// Conflicting names result in a runtime error.
|
||||
//
|
||||
// The field tag format accepted is:
|
||||
//
|
||||
// `(...) yaml:"[<key>][,<flag1>[,<flag2>]]" (...)`
|
||||
//
|
||||
// The following flags are currently supported:
|
||||
//
|
||||
// omitempty Only include the field if it's not set to the zero
|
||||
// value for the type or to empty slices or maps.
|
||||
// Zero valued structs will be omitted if all their public
|
||||
// fields are zero, unless they implement an IsZero
|
||||
// method (see the IsZeroer interface type), in which
|
||||
// case the field will be excluded if IsZero returns true.
|
||||
//
|
||||
// flow Marshal using a flow style (useful for structs,
|
||||
// sequences and maps).
|
||||
//
|
||||
// inline Inline the field, which must be a struct or a map,
|
||||
// causing all of its fields or keys to be processed as if
|
||||
// they were part of the outer struct. For maps, keys must
|
||||
// not conflict with the yaml keys of other struct fields.
|
||||
//
|
||||
// In addition, if the key is "-", the field is ignored.
|
||||
//
|
||||
// For example:
|
||||
//
|
||||
// type T struct {
|
||||
// F int `yaml:"a,omitempty"`
|
||||
// B int
|
||||
// }
|
||||
// yaml.Marshal(&T{B: 2}) // Returns "b: 2\n"
|
||||
// yaml.Marshal(&T{F: 1}} // Returns "a: 1\nb: 0\n"
|
||||
//
|
||||
func Marshal(in interface{}) (out []byte, err error) { |
||||
defer handleErr(&err) |
||||
e := newEncoder() |
||||
defer e.destroy() |
||||
e.marshalDoc("", reflect.ValueOf(in)) |
||||
e.finish() |
||||
out = e.out |
||||
return |
||||
} |
||||
|
||||
// An Encoder writes YAML values to an output stream.
|
||||
type Encoder struct { |
||||
encoder *encoder |
||||
} |
||||
|
||||
// NewEncoder returns a new encoder that writes to w.
|
||||
// The Encoder should be closed after use to flush all data
|
||||
// to w.
|
||||
func NewEncoder(w io.Writer) *Encoder { |
||||
return &Encoder{ |
||||
encoder: newEncoderWithWriter(w), |
||||
} |
||||
} |
||||
|
||||
// Encode writes the YAML encoding of v to the stream.
|
||||
// If multiple items are encoded to the stream, the
|
||||
// second and subsequent document will be preceded
|
||||
// with a "---" document separator, but the first will not.
|
||||
//
|
||||
// See the documentation for Marshal for details about the conversion of Go
|
||||
// values to YAML.
|
||||
func (e *Encoder) Encode(v interface{}) (err error) { |
||||
defer handleErr(&err) |
||||
e.encoder.marshalDoc("", reflect.ValueOf(v)) |
||||
return nil |
||||
} |
||||
|
||||
// Close closes the encoder by writing any remaining data.
|
||||
// It does not write a stream terminating string "...".
|
||||
func (e *Encoder) Close() (err error) { |
||||
defer handleErr(&err) |
||||
e.encoder.finish() |
||||
return nil |
||||
} |
||||
|
||||
func handleErr(err *error) { |
||||
if v := recover(); v != nil { |
||||
if e, ok := v.(yamlError); ok { |
||||
*err = e.err |
||||
} else { |
||||
panic(v) |
||||
} |
||||
} |
||||
} |
||||
|
||||
type yamlError struct { |
||||
err error |
||||
} |
||||
|
||||
func fail(err error) { |
||||
panic(yamlError{err}) |
||||
} |
||||
|
||||
func failf(format string, args ...interface{}) { |
||||
panic(yamlError{fmt.Errorf("yaml: "+format, args...)}) |
||||
} |
||||
|
||||
// A TypeError is returned by Unmarshal when one or more fields in
|
||||
// the YAML document cannot be properly decoded into the requested
|
||||
// types. When this error is returned, the value is still
|
||||
// unmarshaled partially.
|
||||
type TypeError struct { |
||||
Errors []string |
||||
} |
||||
|
||||
func (e *TypeError) Error() string { |
||||
return fmt.Sprintf("yaml: unmarshal errors:\n %s", strings.Join(e.Errors, "\n ")) |
||||
} |
||||
|
||||
// --------------------------------------------------------------------------
|
||||
// Maintain a mapping of keys to structure field indexes
|
||||
|
||||
// The code in this section was copied from mgo/bson.
|
||||
|
||||
// structInfo holds details for the serialization of fields of
|
||||
// a given struct.
|
||||
type structInfo struct { |
||||
FieldsMap map[string]fieldInfo |
||||
FieldsList []fieldInfo |
||||
|
||||
// InlineMap is the number of the field in the struct that
|
||||
// contains an ,inline map, or -1 if there's none.
|
||||
InlineMap int |
||||
} |
||||
|
||||
type fieldInfo struct { |
||||
Key string |
||||
Num int |
||||
OmitEmpty bool |
||||
Flow bool |
||||
// Id holds the unique field identifier, so we can cheaply
|
||||
// check for field duplicates without maintaining an extra map.
|
||||
Id int |
||||
|
||||
// Inline holds the field index if the field is part of an inlined struct.
|
||||
Inline []int |
||||
} |
||||
|
||||
var structMap = make(map[reflect.Type]*structInfo) |
||||
var fieldMapMutex sync.RWMutex |
||||
|
||||
func getStructInfo(st reflect.Type) (*structInfo, error) { |
||||
fieldMapMutex.RLock() |
||||
sinfo, found := structMap[st] |
||||
fieldMapMutex.RUnlock() |
||||
if found { |
||||
return sinfo, nil |
||||
} |
||||
|
||||
n := st.NumField() |
||||
fieldsMap := make(map[string]fieldInfo) |
||||
fieldsList := make([]fieldInfo, 0, n) |
||||
inlineMap := -1 |
||||
for i := 0; i != n; i++ { |
||||
field := st.Field(i) |
||||
if field.PkgPath != "" && !field.Anonymous { |
||||
continue // Private field
|
||||
} |
||||
|
||||
info := fieldInfo{Num: i} |
||||
|
||||
tag := field.Tag.Get("yaml") |
||||
if tag == "" && strings.Index(string(field.Tag), ":") < 0 { |
||||
tag = string(field.Tag) |
||||
} |
||||
if tag == "-" { |
||||
continue |
||||
} |
||||
|
||||
inline := false |
||||
fields := strings.Split(tag, ",") |
||||
if len(fields) > 1 { |
||||
for _, flag := range fields[1:] { |
||||
switch flag { |
||||
case "omitempty": |
||||
info.OmitEmpty = true |
||||
case "flow": |
||||
info.Flow = true |
||||
case "inline": |
||||
inline = true |
||||
default: |
||||
return nil, errors.New(fmt.Sprintf("Unsupported flag %q in tag %q of type %s", flag, tag, st)) |
||||
} |
||||
} |
||||
tag = fields[0] |
||||
} |
||||
|
||||
if inline { |
||||
switch field.Type.Kind() { |
||||
case reflect.Map: |
||||
if inlineMap >= 0 { |
||||
return nil, errors.New("Multiple ,inline maps in struct " + st.String()) |
||||
} |
||||
if field.Type.Key() != reflect.TypeOf("") { |
||||
return nil, errors.New("Option ,inline needs a map with string keys in struct " + st.String()) |
||||
} |
||||
inlineMap = info.Num |
||||
case reflect.Struct: |
||||
sinfo, err := getStructInfo(field.Type) |
||||
if err != nil { |
||||
return nil, err |
||||
} |
||||
for _, finfo := range sinfo.FieldsList { |
||||
if _, found := fieldsMap[finfo.Key]; found { |
||||
msg := "Duplicated key '" + finfo.Key + "' in struct " + st.String() |
||||
return nil, errors.New(msg) |
||||
} |
||||
if finfo.Inline == nil { |
||||
finfo.Inline = []int{i, finfo.Num} |
||||
} else { |
||||
finfo.Inline = append([]int{i}, finfo.Inline...) |
||||
} |
||||
finfo.Id = len(fieldsList) |
||||
fieldsMap[finfo.Key] = finfo |
||||
fieldsList = append(fieldsList, finfo) |
||||
} |
||||
default: |
||||
//return nil, errors.New("Option ,inline needs a struct value or map field")
|
||||
return nil, errors.New("Option ,inline needs a struct value field") |
||||
} |
||||
continue |
||||
} |
||||
|
||||
if tag != "" { |
||||
info.Key = tag |
||||
} else { |
||||
info.Key = strings.ToLower(field.Name) |
||||
} |
||||
|
||||
if _, found = fieldsMap[info.Key]; found { |
||||
msg := "Duplicated key '" + info.Key + "' in struct " + st.String() |
||||
return nil, errors.New(msg) |
||||
} |
||||
|
||||
info.Id = len(fieldsList) |
||||
fieldsList = append(fieldsList, info) |
||||
fieldsMap[info.Key] = info |
||||
} |
||||
|
||||
sinfo = &structInfo{ |
||||
FieldsMap: fieldsMap, |
||||
FieldsList: fieldsList, |
||||
InlineMap: inlineMap, |
||||
} |
||||
|
||||
fieldMapMutex.Lock() |
||||
structMap[st] = sinfo |
||||
fieldMapMutex.Unlock() |
||||
return sinfo, nil |
||||
} |
||||
|
||||
// IsZeroer is used to check whether an object is zero to
|
||||
// determine whether it should be omitted when marshaling
|
||||
// with the omitempty flag. One notable implementation
|
||||
// is time.Time.
|
||||
type IsZeroer interface { |
||||
IsZero() bool |
||||
} |
||||
|
||||
func isZero(v reflect.Value) bool { |
||||
kind := v.Kind() |
||||
if z, ok := v.Interface().(IsZeroer); ok { |
||||
if (kind == reflect.Ptr || kind == reflect.Interface) && v.IsNil() { |
||||
return true |
||||
} |
||||
return z.IsZero() |
||||
} |
||||
switch kind { |
||||
case reflect.String: |
||||
return len(v.String()) == 0 |
||||
case reflect.Interface, reflect.Ptr: |
||||
return v.IsNil() |
||||
case reflect.Slice: |
||||
return v.Len() == 0 |
||||
case reflect.Map: |
||||
return v.Len() == 0 |
||||
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: |
||||
return v.Int() == 0 |
||||
case reflect.Float32, reflect.Float64: |
||||
return v.Float() == 0 |
||||
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: |
||||
return v.Uint() == 0 |
||||
case reflect.Bool: |
||||
return !v.Bool() |
||||
case reflect.Struct: |
||||
vt := v.Type() |
||||
for i := v.NumField() - 1; i >= 0; i-- { |
||||
if vt.Field(i).PkgPath != "" { |
||||
continue // Private field
|
||||
} |
||||
if !isZero(v.Field(i)) { |
||||
return false |
||||
} |
||||
} |
||||
return true |
||||
} |
||||
return false |
||||
} |
||||
|
||||
// FutureLineWrap globally disables line wrapping when encoding long strings.
|
||||
// This is a temporary and thus deprecated method introduced to faciliate
|
||||
// migration towards v3, which offers more control of line lengths on
|
||||
// individual encodings, and has a default matching the behavior introduced
|
||||
// by this function.
|
||||
//
|
||||
// The default formatting of v2 was erroneously changed in v2.3.0 and reverted
|
||||
// in v2.4.0, at which point this function was introduced to help migration.
|
||||
func FutureLineWrap() { |
||||
disableLineWrapping = true |
||||
} |
||||
@ -0,0 +1,739 @@ |
||||
package yaml |
||||
|
||||
import ( |
||||
"fmt" |
||||
"io" |
||||
) |
||||
|
||||
// The version directive data.
|
||||
type yaml_version_directive_t struct { |
||||
major int8 // The major version number.
|
||||
minor int8 // The minor version number.
|
||||
} |
||||
|
||||
// The tag directive data.
|
||||
type yaml_tag_directive_t struct { |
||||
handle []byte // The tag handle.
|
||||
prefix []byte // The tag prefix.
|
||||
} |
||||
|
||||
type yaml_encoding_t int |
||||
|
||||
// The stream encoding.
|
||||
const ( |
||||
// Let the parser choose the encoding.
|
||||
yaml_ANY_ENCODING yaml_encoding_t = iota |
||||
|
||||
yaml_UTF8_ENCODING // The default UTF-8 encoding.
|
||||
yaml_UTF16LE_ENCODING // The UTF-16-LE encoding with BOM.
|
||||
yaml_UTF16BE_ENCODING // The UTF-16-BE encoding with BOM.
|
||||
) |
||||
|
||||
type yaml_break_t int |
||||
|
||||
// Line break types.
|
||||
const ( |
||||
// Let the parser choose the break type.
|
||||
yaml_ANY_BREAK yaml_break_t = iota |
||||
|
||||
yaml_CR_BREAK // Use CR for line breaks (Mac style).
|
||||
yaml_LN_BREAK // Use LN for line breaks (Unix style).
|
||||
yaml_CRLN_BREAK // Use CR LN for line breaks (DOS style).
|
||||
) |
||||
|
||||
type yaml_error_type_t int |
||||
|
||||
// Many bad things could happen with the parser and emitter.
|
||||
const ( |
||||
// No error is produced.
|
||||
yaml_NO_ERROR yaml_error_type_t = iota |
||||
|
||||
yaml_MEMORY_ERROR // Cannot allocate or reallocate a block of memory.
|
||||
yaml_READER_ERROR // Cannot read or decode the input stream.
|
||||
yaml_SCANNER_ERROR // Cannot scan the input stream.
|
||||
yaml_PARSER_ERROR // Cannot parse the input stream.
|
||||
yaml_COMPOSER_ERROR // Cannot compose a YAML document.
|
||||
yaml_WRITER_ERROR // Cannot write to the output stream.
|
||||
yaml_EMITTER_ERROR // Cannot emit a YAML stream.
|
||||
) |
||||
|
||||
// The pointer position.
|
||||
type yaml_mark_t struct { |
||||
index int // The position index.
|
||||
line int // The position line.
|
||||
column int // The position column.
|
||||
} |
||||
|
||||
// Node Styles
|
||||
|
||||
type yaml_style_t int8 |
||||
|
||||
type yaml_scalar_style_t yaml_style_t |
||||
|
||||
// Scalar styles.
|
||||
const ( |
||||
// Let the emitter choose the style.
|
||||
yaml_ANY_SCALAR_STYLE yaml_scalar_style_t = iota |
||||
|
||||
yaml_PLAIN_SCALAR_STYLE // The plain scalar style.
|
||||
yaml_SINGLE_QUOTED_SCALAR_STYLE // The single-quoted scalar style.
|
||||
yaml_DOUBLE_QUOTED_SCALAR_STYLE // The double-quoted scalar style.
|
||||
yaml_LITERAL_SCALAR_STYLE // The literal scalar style.
|
||||
yaml_FOLDED_SCALAR_STYLE // The folded scalar style.
|
||||
) |
||||
|
||||
type yaml_sequence_style_t yaml_style_t |
||||
|
||||
// Sequence styles.
|
||||
const ( |
||||
// Let the emitter choose the style.
|
||||
yaml_ANY_SEQUENCE_STYLE yaml_sequence_style_t = iota |
||||
|
||||
yaml_BLOCK_SEQUENCE_STYLE // The block sequence style.
|
||||
yaml_FLOW_SEQUENCE_STYLE // The flow sequence style.
|
||||
) |
||||
|
||||
type yaml_mapping_style_t yaml_style_t |
||||
|
||||
// Mapping styles.
|
||||
const ( |
||||
// Let the emitter choose the style.
|
||||
yaml_ANY_MAPPING_STYLE yaml_mapping_style_t = iota |
||||
|
||||
yaml_BLOCK_MAPPING_STYLE // The block mapping style.
|
||||
yaml_FLOW_MAPPING_STYLE // The flow mapping style.
|
||||
) |
||||
|
||||
// Tokens
|
||||
|
||||
type yaml_token_type_t int |
||||
|
||||
// Token types.
|
||||
const ( |
||||
// An empty token.
|
||||
yaml_NO_TOKEN yaml_token_type_t = iota |
||||
|
||||
yaml_STREAM_START_TOKEN // A STREAM-START token.
|
||||
yaml_STREAM_END_TOKEN // A STREAM-END token.
|
||||
|
||||
yaml_VERSION_DIRECTIVE_TOKEN // A VERSION-DIRECTIVE token.
|
||||
yaml_TAG_DIRECTIVE_TOKEN // A TAG-DIRECTIVE token.
|
||||
yaml_DOCUMENT_START_TOKEN // A DOCUMENT-START token.
|
||||
yaml_DOCUMENT_END_TOKEN // A DOCUMENT-END token.
|
||||
|
||||
yaml_BLOCK_SEQUENCE_START_TOKEN // A BLOCK-SEQUENCE-START token.
|
||||
yaml_BLOCK_MAPPING_START_TOKEN // A BLOCK-SEQUENCE-END token.
|
||||
yaml_BLOCK_END_TOKEN // A BLOCK-END token.
|
||||
|
||||
yaml_FLOW_SEQUENCE_START_TOKEN // A FLOW-SEQUENCE-START token.
|
||||
yaml_FLOW_SEQUENCE_END_TOKEN // A FLOW-SEQUENCE-END token.
|
||||
yaml_FLOW_MAPPING_START_TOKEN // A FLOW-MAPPING-START token.
|
||||
yaml_FLOW_MAPPING_END_TOKEN // A FLOW-MAPPING-END token.
|
||||
|
||||
yaml_BLOCK_ENTRY_TOKEN // A BLOCK-ENTRY token.
|
||||
yaml_FLOW_ENTRY_TOKEN // A FLOW-ENTRY token.
|
||||
yaml_KEY_TOKEN // A KEY token.
|
||||
yaml_VALUE_TOKEN // A VALUE token.
|
||||
|
||||
yaml_ALIAS_TOKEN // An ALIAS token.
|
||||
yaml_ANCHOR_TOKEN // An ANCHOR token.
|
||||
yaml_TAG_TOKEN // A TAG token.
|
||||
yaml_SCALAR_TOKEN // A SCALAR token.
|
||||
) |
||||
|
||||
func (tt yaml_token_type_t) String() string { |
||||
switch tt { |
||||
case yaml_NO_TOKEN: |
||||
return "yaml_NO_TOKEN" |
||||
case yaml_STREAM_START_TOKEN: |
||||
return "yaml_STREAM_START_TOKEN" |
||||
case yaml_STREAM_END_TOKEN: |
||||
return "yaml_STREAM_END_TOKEN" |
||||
case yaml_VERSION_DIRECTIVE_TOKEN: |
||||
return "yaml_VERSION_DIRECTIVE_TOKEN" |
||||
case yaml_TAG_DIRECTIVE_TOKEN: |
||||
return "yaml_TAG_DIRECTIVE_TOKEN" |
||||
case yaml_DOCUMENT_START_TOKEN: |
||||
return "yaml_DOCUMENT_START_TOKEN" |
||||
case yaml_DOCUMENT_END_TOKEN: |
||||
return "yaml_DOCUMENT_END_TOKEN" |
||||
case yaml_BLOCK_SEQUENCE_START_TOKEN: |
||||
return "yaml_BLOCK_SEQUENCE_START_TOKEN" |
||||
case yaml_BLOCK_MAPPING_START_TOKEN: |
||||
return "yaml_BLOCK_MAPPING_START_TOKEN" |
||||
case yaml_BLOCK_END_TOKEN: |
||||
return "yaml_BLOCK_END_TOKEN" |
||||
case yaml_FLOW_SEQUENCE_START_TOKEN: |
||||
return "yaml_FLOW_SEQUENCE_START_TOKEN" |
||||
case yaml_FLOW_SEQUENCE_END_TOKEN: |
||||
return "yaml_FLOW_SEQUENCE_END_TOKEN" |
||||
case yaml_FLOW_MAPPING_START_TOKEN: |
||||
return "yaml_FLOW_MAPPING_START_TOKEN" |
||||
case yaml_FLOW_MAPPING_END_TOKEN: |
||||
return "yaml_FLOW_MAPPING_END_TOKEN" |
||||
case yaml_BLOCK_ENTRY_TOKEN: |
||||
return "yaml_BLOCK_ENTRY_TOKEN" |
||||
case yaml_FLOW_ENTRY_TOKEN: |
||||
return "yaml_FLOW_ENTRY_TOKEN" |
||||
case yaml_KEY_TOKEN: |
||||
return "yaml_KEY_TOKEN" |
||||
case yaml_VALUE_TOKEN: |
||||
return "yaml_VALUE_TOKEN" |
||||
case yaml_ALIAS_TOKEN: |
||||
return "yaml_ALIAS_TOKEN" |
||||
case yaml_ANCHOR_TOKEN: |
||||
return "yaml_ANCHOR_TOKEN" |
||||
case yaml_TAG_TOKEN: |
||||
return "yaml_TAG_TOKEN" |
||||
case yaml_SCALAR_TOKEN: |
||||
return "yaml_SCALAR_TOKEN" |
||||
} |
||||
return "<unknown token>" |
||||
} |
||||
|
||||
// The token structure.
|
||||
type yaml_token_t struct { |
||||
// The token type.
|
||||
typ yaml_token_type_t |
||||
|
||||
// The start/end of the token.
|
||||
start_mark, end_mark yaml_mark_t |
||||
|
||||
// The stream encoding (for yaml_STREAM_START_TOKEN).
|
||||
encoding yaml_encoding_t |
||||
|
||||
// The alias/anchor/scalar value or tag/tag directive handle
|
||||
// (for yaml_ALIAS_TOKEN, yaml_ANCHOR_TOKEN, yaml_SCALAR_TOKEN, yaml_TAG_TOKEN, yaml_TAG_DIRECTIVE_TOKEN).
|
||||
value []byte |
||||
|
||||
// The tag suffix (for yaml_TAG_TOKEN).
|
||||
suffix []byte |
||||
|
||||
// The tag directive prefix (for yaml_TAG_DIRECTIVE_TOKEN).
|
||||
prefix []byte |
||||
|
||||
// The scalar style (for yaml_SCALAR_TOKEN).
|
||||
style yaml_scalar_style_t |
||||
|
||||
// The version directive major/minor (for yaml_VERSION_DIRECTIVE_TOKEN).
|
||||
major, minor int8 |
||||
} |
||||
|
||||
// Events
|
||||
|
||||
type yaml_event_type_t int8 |
||||
|
||||
// Event types.
|
||||
const ( |
||||
// An empty event.
|
||||
yaml_NO_EVENT yaml_event_type_t = iota |
||||
|
||||
yaml_STREAM_START_EVENT // A STREAM-START event.
|
||||
yaml_STREAM_END_EVENT // A STREAM-END event.
|
||||
yaml_DOCUMENT_START_EVENT // A DOCUMENT-START event.
|
||||
yaml_DOCUMENT_END_EVENT // A DOCUMENT-END event.
|
||||
yaml_ALIAS_EVENT // An ALIAS event.
|
||||
yaml_SCALAR_EVENT // A SCALAR event.
|
||||
yaml_SEQUENCE_START_EVENT // A SEQUENCE-START event.
|
||||
yaml_SEQUENCE_END_EVENT // A SEQUENCE-END event.
|
||||
yaml_MAPPING_START_EVENT // A MAPPING-START event.
|
||||
yaml_MAPPING_END_EVENT // A MAPPING-END event.
|
||||
) |
||||
|
||||
var eventStrings = []string{ |
||||
yaml_NO_EVENT: "none", |
||||
yaml_STREAM_START_EVENT: "stream start", |
||||
yaml_STREAM_END_EVENT: "stream end", |
||||
yaml_DOCUMENT_START_EVENT: "document start", |
||||
yaml_DOCUMENT_END_EVENT: "document end", |
||||
yaml_ALIAS_EVENT: "alias", |
||||
yaml_SCALAR_EVENT: "scalar", |
||||
yaml_SEQUENCE_START_EVENT: "sequence start", |
||||
yaml_SEQUENCE_END_EVENT: "sequence end", |
||||
yaml_MAPPING_START_EVENT: "mapping start", |
||||
yaml_MAPPING_END_EVENT: "mapping end", |
||||
} |
||||
|
||||
func (e yaml_event_type_t) String() string { |
||||
if e < 0 || int(e) >= len(eventStrings) { |
||||
return fmt.Sprintf("unknown event %d", e) |
||||
} |
||||
return eventStrings[e] |
||||
} |
||||
|
||||
// The event structure.
|
||||
type yaml_event_t struct { |
||||
|
||||
// The event type.
|
||||
typ yaml_event_type_t |
||||
|
||||
// The start and end of the event.
|
||||
start_mark, end_mark yaml_mark_t |
||||
|
||||
// The document encoding (for yaml_STREAM_START_EVENT).
|
||||
encoding yaml_encoding_t |
||||
|
||||
// The version directive (for yaml_DOCUMENT_START_EVENT).
|
||||
version_directive *yaml_version_directive_t |
||||
|
||||
// The list of tag directives (for yaml_DOCUMENT_START_EVENT).
|
||||
tag_directives []yaml_tag_directive_t |
||||
|
||||
// The anchor (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT, yaml_ALIAS_EVENT).
|
||||
anchor []byte |
||||
|
||||
// The tag (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT).
|
||||
tag []byte |
||||
|
||||
// The scalar value (for yaml_SCALAR_EVENT).
|
||||
value []byte |
||||
|
||||
// Is the document start/end indicator implicit, or the tag optional?
|
||||
// (for yaml_DOCUMENT_START_EVENT, yaml_DOCUMENT_END_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT, yaml_SCALAR_EVENT).
|
||||
implicit bool |
||||
|
||||
// Is the tag optional for any non-plain style? (for yaml_SCALAR_EVENT).
|
||||
quoted_implicit bool |
||||
|
||||
// The style (for yaml_SCALAR_EVENT, yaml_SEQUENCE_START_EVENT, yaml_MAPPING_START_EVENT).
|
||||
style yaml_style_t |
||||
} |
||||
|
||||
func (e *yaml_event_t) scalar_style() yaml_scalar_style_t { return yaml_scalar_style_t(e.style) } |
||||
func (e *yaml_event_t) sequence_style() yaml_sequence_style_t { return yaml_sequence_style_t(e.style) } |
||||
func (e *yaml_event_t) mapping_style() yaml_mapping_style_t { return yaml_mapping_style_t(e.style) } |
||||
|
||||
// Nodes
|
||||
|
||||
const ( |
||||
yaml_NULL_TAG = "tag:yaml.org,2002:null" // The tag !!null with the only possible value: null.
|
||||
yaml_BOOL_TAG = "tag:yaml.org,2002:bool" // The tag !!bool with the values: true and false.
|
||||
yaml_STR_TAG = "tag:yaml.org,2002:str" // The tag !!str for string values.
|
||||
yaml_INT_TAG = "tag:yaml.org,2002:int" // The tag !!int for integer values.
|
||||
yaml_FLOAT_TAG = "tag:yaml.org,2002:float" // The tag !!float for float values.
|
||||
yaml_TIMESTAMP_TAG = "tag:yaml.org,2002:timestamp" // The tag !!timestamp for date and time values.
|
||||
|
||||
yaml_SEQ_TAG = "tag:yaml.org,2002:seq" // The tag !!seq is used to denote sequences.
|
||||
yaml_MAP_TAG = "tag:yaml.org,2002:map" // The tag !!map is used to denote mapping.
|
||||
|
||||
// Not in original libyaml.
|
||||
yaml_BINARY_TAG = "tag:yaml.org,2002:binary" |
||||
yaml_MERGE_TAG = "tag:yaml.org,2002:merge" |
||||
|
||||
yaml_DEFAULT_SCALAR_TAG = yaml_STR_TAG // The default scalar tag is !!str.
|
||||
yaml_DEFAULT_SEQUENCE_TAG = yaml_SEQ_TAG // The default sequence tag is !!seq.
|
||||
yaml_DEFAULT_MAPPING_TAG = yaml_MAP_TAG // The default mapping tag is !!map.
|
||||
) |
||||
|
||||
type yaml_node_type_t int |
||||
|
||||
// Node types.
|
||||
const ( |
||||
// An empty node.
|
||||
yaml_NO_NODE yaml_node_type_t = iota |
||||
|
||||
yaml_SCALAR_NODE // A scalar node.
|
||||
yaml_SEQUENCE_NODE // A sequence node.
|
||||
yaml_MAPPING_NODE // A mapping node.
|
||||
) |
||||
|
||||
// An element of a sequence node.
|
||||
type yaml_node_item_t int |
||||
|
||||
// An element of a mapping node.
|
||||
type yaml_node_pair_t struct { |
||||
key int // The key of the element.
|
||||
value int // The value of the element.
|
||||
} |
||||
|
||||
// The node structure.
|
||||
type yaml_node_t struct { |
||||
typ yaml_node_type_t // The node type.
|
||||
tag []byte // The node tag.
|
||||
|
||||
// The node data.
|
||||
|
||||
// The scalar parameters (for yaml_SCALAR_NODE).
|
||||
scalar struct { |
||||
value []byte // The scalar value.
|
||||
length int // The length of the scalar value.
|
||||
style yaml_scalar_style_t // The scalar style.
|
||||
} |
||||
|
||||
// The sequence parameters (for YAML_SEQUENCE_NODE).
|
||||
sequence struct { |
||||
items_data []yaml_node_item_t // The stack of sequence items.
|
||||
style yaml_sequence_style_t // The sequence style.
|
||||
} |
||||
|
||||
// The mapping parameters (for yaml_MAPPING_NODE).
|
||||
mapping struct { |
||||
pairs_data []yaml_node_pair_t // The stack of mapping pairs (key, value).
|
||||
pairs_start *yaml_node_pair_t // The beginning of the stack.
|
||||
pairs_end *yaml_node_pair_t // The end of the stack.
|
||||
pairs_top *yaml_node_pair_t // The top of the stack.
|
||||
style yaml_mapping_style_t // The mapping style.
|
||||
} |
||||
|
||||
start_mark yaml_mark_t // The beginning of the node.
|
||||
end_mark yaml_mark_t // The end of the node.
|
||||
|
||||
} |
||||
|
||||
// The document structure.
|
||||
type yaml_document_t struct { |
||||
|
||||
// The document nodes.
|
||||
nodes []yaml_node_t |
||||
|
||||
// The version directive.
|
||||
version_directive *yaml_version_directive_t |
||||
|
||||
// The list of tag directives.
|
||||
tag_directives_data []yaml_tag_directive_t |
||||
tag_directives_start int // The beginning of the tag directives list.
|
||||
tag_directives_end int // The end of the tag directives list.
|
||||
|
||||
start_implicit int // Is the document start indicator implicit?
|
||||
end_implicit int // Is the document end indicator implicit?
|
||||
|
||||
// The start/end of the document.
|
||||
start_mark, end_mark yaml_mark_t |
||||
} |
||||
|
||||
// The prototype of a read handler.
|
||||
//
|
||||
// The read handler is called when the parser needs to read more bytes from the
|
||||
// source. The handler should write not more than size bytes to the buffer.
|
||||
// The number of written bytes should be set to the size_read variable.
|
||||
//
|
||||
// [in,out] data A pointer to an application data specified by
|
||||
// yaml_parser_set_input().
|
||||
// [out] buffer The buffer to write the data from the source.
|
||||
// [in] size The size of the buffer.
|
||||
// [out] size_read The actual number of bytes read from the source.
|
||||
//
|
||||
// On success, the handler should return 1. If the handler failed,
|
||||
// the returned value should be 0. On EOF, the handler should set the
|
||||
// size_read to 0 and return 1.
|
||||
type yaml_read_handler_t func(parser *yaml_parser_t, buffer []byte) (n int, err error) |
||||
|
||||
// This structure holds information about a potential simple key.
|
||||
type yaml_simple_key_t struct { |
||||
possible bool // Is a simple key possible?
|
||||
required bool // Is a simple key required?
|
||||
token_number int // The number of the token.
|
||||
mark yaml_mark_t // The position mark.
|
||||
} |
||||
|
||||
// The states of the parser.
|
||||
type yaml_parser_state_t int |
||||
|
||||
const ( |
||||
yaml_PARSE_STREAM_START_STATE yaml_parser_state_t = iota |
||||
|
||||
yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE // Expect the beginning of an implicit document.
|
||||
yaml_PARSE_DOCUMENT_START_STATE // Expect DOCUMENT-START.
|
||||
yaml_PARSE_DOCUMENT_CONTENT_STATE // Expect the content of a document.
|
||||
yaml_PARSE_DOCUMENT_END_STATE // Expect DOCUMENT-END.
|
||||
yaml_PARSE_BLOCK_NODE_STATE // Expect a block node.
|
||||
yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE // Expect a block node or indentless sequence.
|
||||
yaml_PARSE_FLOW_NODE_STATE // Expect a flow node.
|
||||
yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE // Expect the first entry of a block sequence.
|
||||
yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE // Expect an entry of a block sequence.
|
||||
yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE // Expect an entry of an indentless sequence.
|
||||
yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE // Expect the first key of a block mapping.
|
||||
yaml_PARSE_BLOCK_MAPPING_KEY_STATE // Expect a block mapping key.
|
||||
yaml_PARSE_BLOCK_MAPPING_VALUE_STATE // Expect a block mapping value.
|
||||
yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE // Expect the first entry of a flow sequence.
|
||||
yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE // Expect an entry of a flow sequence.
|
||||
yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE // Expect a key of an ordered mapping.
|
||||
yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE // Expect a value of an ordered mapping.
|
||||
yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE // Expect the and of an ordered mapping entry.
|
||||
yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE // Expect the first key of a flow mapping.
|
||||
yaml_PARSE_FLOW_MAPPING_KEY_STATE // Expect a key of a flow mapping.
|
||||
yaml_PARSE_FLOW_MAPPING_VALUE_STATE // Expect a value of a flow mapping.
|
||||
yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE // Expect an empty value of a flow mapping.
|
||||
yaml_PARSE_END_STATE // Expect nothing.
|
||||
) |
||||
|
||||
func (ps yaml_parser_state_t) String() string { |
||||
switch ps { |
||||
case yaml_PARSE_STREAM_START_STATE: |
||||
return "yaml_PARSE_STREAM_START_STATE" |
||||
case yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE: |
||||
return "yaml_PARSE_IMPLICIT_DOCUMENT_START_STATE" |
||||
case yaml_PARSE_DOCUMENT_START_STATE: |
||||
return "yaml_PARSE_DOCUMENT_START_STATE" |
||||
case yaml_PARSE_DOCUMENT_CONTENT_STATE: |
||||
return "yaml_PARSE_DOCUMENT_CONTENT_STATE" |
||||
case yaml_PARSE_DOCUMENT_END_STATE: |
||||
return "yaml_PARSE_DOCUMENT_END_STATE" |
||||
case yaml_PARSE_BLOCK_NODE_STATE: |
||||
return "yaml_PARSE_BLOCK_NODE_STATE" |
||||
case yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE: |
||||
return "yaml_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE" |
||||
case yaml_PARSE_FLOW_NODE_STATE: |
||||
return "yaml_PARSE_FLOW_NODE_STATE" |
||||
case yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE: |
||||
return "yaml_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE" |
||||
case yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE: |
||||
return "yaml_PARSE_BLOCK_SEQUENCE_ENTRY_STATE" |
||||
case yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE: |
||||
return "yaml_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE" |
||||
case yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE: |
||||
return "yaml_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE" |
||||
case yaml_PARSE_BLOCK_MAPPING_KEY_STATE: |
||||
return "yaml_PARSE_BLOCK_MAPPING_KEY_STATE" |
||||
case yaml_PARSE_BLOCK_MAPPING_VALUE_STATE: |
||||
return "yaml_PARSE_BLOCK_MAPPING_VALUE_STATE" |
||||
case yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE: |
||||
return "yaml_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE" |
||||
case yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE: |
||||
return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_STATE" |
||||
case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE: |
||||
return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE" |
||||
case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE: |
||||
return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE" |
||||
case yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE: |
||||
return "yaml_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE" |
||||
case yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE: |
||||
return "yaml_PARSE_FLOW_MAPPING_FIRST_KEY_STATE" |
||||
case yaml_PARSE_FLOW_MAPPING_KEY_STATE: |
||||
return "yaml_PARSE_FLOW_MAPPING_KEY_STATE" |
||||
case yaml_PARSE_FLOW_MAPPING_VALUE_STATE: |
||||
return "yaml_PARSE_FLOW_MAPPING_VALUE_STATE" |
||||
case yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE: |
||||
return "yaml_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE" |
||||
case yaml_PARSE_END_STATE: |
||||
return "yaml_PARSE_END_STATE" |
||||
} |
||||
return "<unknown parser state>" |
||||
} |
||||
|
||||
// This structure holds aliases data.
|
||||
type yaml_alias_data_t struct { |
||||
anchor []byte // The anchor.
|
||||
index int // The node id.
|
||||
mark yaml_mark_t // The anchor mark.
|
||||
} |
||||
|
||||
// The parser structure.
|
||||
//
|
||||
// All members are internal. Manage the structure using the
|
||||
// yaml_parser_ family of functions.
|
||||
type yaml_parser_t struct { |
||||
|
||||
// Error handling
|
||||
|
||||
error yaml_error_type_t // Error type.
|
||||
|
||||
problem string // Error description.
|
||||
|
||||
// The byte about which the problem occurred.
|
||||
problem_offset int |
||||
problem_value int |
||||
problem_mark yaml_mark_t |
||||
|
||||
// The error context.
|
||||
context string |
||||
context_mark yaml_mark_t |
||||
|
||||
// Reader stuff
|
||||
|
||||
read_handler yaml_read_handler_t // Read handler.
|
||||
|
||||
input_reader io.Reader // File input data.
|
||||
input []byte // String input data.
|
||||
input_pos int |
||||
|
||||
eof bool // EOF flag
|
||||
|
||||
buffer []byte // The working buffer.
|
||||
buffer_pos int // The current position of the buffer.
|
||||
|
||||
unread int // The number of unread characters in the buffer.
|
||||
|
||||
raw_buffer []byte // The raw buffer.
|
||||
raw_buffer_pos int // The current position of the buffer.
|
||||
|
||||
encoding yaml_encoding_t // The input encoding.
|
||||
|
||||
offset int // The offset of the current position (in bytes).
|
||||
mark yaml_mark_t // The mark of the current position.
|
||||
|
||||
// Scanner stuff
|
||||
|
||||
stream_start_produced bool // Have we started to scan the input stream?
|
||||
stream_end_produced bool // Have we reached the end of the input stream?
|
||||
|
||||
flow_level int // The number of unclosed '[' and '{' indicators.
|
||||
|
||||
tokens []yaml_token_t // The tokens queue.
|
||||
tokens_head int // The head of the tokens queue.
|
||||
tokens_parsed int // The number of tokens fetched from the queue.
|
||||
token_available bool // Does the tokens queue contain a token ready for dequeueing.
|
||||
|
||||
indent int // The current indentation level.
|
||||
indents []int // The indentation levels stack.
|
||||
|
||||
simple_key_allowed bool // May a simple key occur at the current position?
|
||||
simple_keys []yaml_simple_key_t // The stack of simple keys.
|
||||
simple_keys_by_tok map[int]int // possible simple_key indexes indexed by token_number
|
||||
|
||||
// Parser stuff
|
||||
|
||||
state yaml_parser_state_t // The current parser state.
|
||||
states []yaml_parser_state_t // The parser states stack.
|
||||
marks []yaml_mark_t // The stack of marks.
|
||||
tag_directives []yaml_tag_directive_t // The list of TAG directives.
|
||||
|
||||
// Dumper stuff
|
||||
|
||||
aliases []yaml_alias_data_t // The alias data.
|
||||
|
||||
document *yaml_document_t // The currently parsed document.
|
||||
} |
||||
|
||||
// Emitter Definitions
|
||||
|
||||
// The prototype of a write handler.
|
||||
//
|
||||
// The write handler is called when the emitter needs to flush the accumulated
|
||||
// characters to the output. The handler should write @a size bytes of the
|
||||
// @a buffer to the output.
|
||||
//
|
||||
// @param[in,out] data A pointer to an application data specified by
|
||||
// yaml_emitter_set_output().
|
||||
// @param[in] buffer The buffer with bytes to be written.
|
||||
// @param[in] size The size of the buffer.
|
||||
//
|
||||
// @returns On success, the handler should return @c 1. If the handler failed,
|
||||
// the returned value should be @c 0.
|
||||
//
|
||||
type yaml_write_handler_t func(emitter *yaml_emitter_t, buffer []byte) error |
||||
|
||||
type yaml_emitter_state_t int |
||||
|
||||
// The emitter states.
|
||||
const ( |
||||
// Expect STREAM-START.
|
||||
yaml_EMIT_STREAM_START_STATE yaml_emitter_state_t = iota |
||||
|
||||
yaml_EMIT_FIRST_DOCUMENT_START_STATE // Expect the first DOCUMENT-START or STREAM-END.
|
||||
yaml_EMIT_DOCUMENT_START_STATE // Expect DOCUMENT-START or STREAM-END.
|
||||
yaml_EMIT_DOCUMENT_CONTENT_STATE // Expect the content of a document.
|
||||
yaml_EMIT_DOCUMENT_END_STATE // Expect DOCUMENT-END.
|
||||
yaml_EMIT_FLOW_SEQUENCE_FIRST_ITEM_STATE // Expect the first item of a flow sequence.
|
||||
yaml_EMIT_FLOW_SEQUENCE_ITEM_STATE // Expect an item of a flow sequence.
|
||||
yaml_EMIT_FLOW_MAPPING_FIRST_KEY_STATE // Expect the first key of a flow mapping.
|
||||
yaml_EMIT_FLOW_MAPPING_KEY_STATE // Expect a key of a flow mapping.
|
||||
yaml_EMIT_FLOW_MAPPING_SIMPLE_VALUE_STATE // Expect a value for a simple key of a flow mapping.
|
||||
yaml_EMIT_FLOW_MAPPING_VALUE_STATE // Expect a value of a flow mapping.
|
||||
yaml_EMIT_BLOCK_SEQUENCE_FIRST_ITEM_STATE // Expect the first item of a block sequence.
|
||||
yaml_EMIT_BLOCK_SEQUENCE_ITEM_STATE // Expect an item of a block sequence.
|
||||
yaml_EMIT_BLOCK_MAPPING_FIRST_KEY_STATE // Expect the first key of a block mapping.
|
||||
yaml_EMIT_BLOCK_MAPPING_KEY_STATE // Expect the key of a block mapping.
|
||||
yaml_EMIT_BLOCK_MAPPING_SIMPLE_VALUE_STATE // Expect a value for a simple key of a block mapping.
|
||||
yaml_EMIT_BLOCK_MAPPING_VALUE_STATE // Expect a value of a block mapping.
|
||||
yaml_EMIT_END_STATE // Expect nothing.
|
||||
) |
||||
|
||||
// The emitter structure.
|
||||
//
|
||||
// All members are internal. Manage the structure using the @c yaml_emitter_
|
||||
// family of functions.
|
||||
type yaml_emitter_t struct { |
||||
|
||||
// Error handling
|
||||
|
||||
error yaml_error_type_t // Error type.
|
||||
problem string // Error description.
|
||||
|
||||
// Writer stuff
|
||||
|
||||
write_handler yaml_write_handler_t // Write handler.
|
||||
|
||||
output_buffer *[]byte // String output data.
|
||||
output_writer io.Writer // File output data.
|
||||
|
||||
buffer []byte // The working buffer.
|
||||
buffer_pos int // The current position of the buffer.
|
||||
|
||||
raw_buffer []byte // The raw buffer.
|
||||
raw_buffer_pos int // The current position of the buffer.
|
||||
|
||||
encoding yaml_encoding_t // The stream encoding.
|
||||
|
||||
// Emitter stuff
|
||||
|
||||
canonical bool // If the output is in the canonical style?
|
||||
best_indent int // The number of indentation spaces.
|
||||
best_width int // The preferred width of the output lines.
|
||||
unicode bool // Allow unescaped non-ASCII characters?
|
||||
line_break yaml_break_t // The preferred line break.
|
||||
|
||||
state yaml_emitter_state_t // The current emitter state.
|
||||
states []yaml_emitter_state_t // The stack of states.
|
||||
|
||||
events []yaml_event_t // The event queue.
|
||||
events_head int // The head of the event queue.
|
||||
|
||||
indents []int // The stack of indentation levels.
|
||||
|
||||
tag_directives []yaml_tag_directive_t // The list of tag directives.
|
||||
|
||||
indent int // The current indentation level.
|
||||
|
||||
flow_level int // The current flow level.
|
||||
|
||||
root_context bool // Is it the document root context?
|
||||
sequence_context bool // Is it a sequence context?
|
||||
mapping_context bool // Is it a mapping context?
|
||||
simple_key_context bool // Is it a simple mapping key context?
|
||||
|
||||
line int // The current line.
|
||||
column int // The current column.
|
||||
whitespace bool // If the last character was a whitespace?
|
||||
indention bool // If the last character was an indentation character (' ', '-', '?', ':')?
|
||||
open_ended bool // If an explicit document end is required?
|
||||
|
||||
// Anchor analysis.
|
||||
anchor_data struct { |
||||
anchor []byte // The anchor value.
|
||||
alias bool // Is it an alias?
|
||||
} |
||||
|
||||
// Tag analysis.
|
||||
tag_data struct { |
||||
handle []byte // The tag handle.
|
||||
suffix []byte // The tag suffix.
|
||||
} |
||||
|
||||
// Scalar analysis.
|
||||
scalar_data struct { |
||||
value []byte // The scalar value.
|
||||
multiline bool // Does the scalar contain line breaks?
|
||||
flow_plain_allowed bool // Can the scalar be expessed in the flow plain style?
|
||||
block_plain_allowed bool // Can the scalar be expressed in the block plain style?
|
||||
single_quoted_allowed bool // Can the scalar be expressed in the single quoted style?
|
||||
block_allowed bool // Can the scalar be expressed in the literal or folded styles?
|
||||
style yaml_scalar_style_t // The output style.
|
||||
} |
||||
|
||||
// Dumper stuff
|
||||
|
||||
opened bool // If the stream was already opened?
|
||||
closed bool // If the stream was already closed?
|
||||
|
||||
// The information associated with the document nodes.
|
||||
anchors *struct { |
||||
references int // The number of references.
|
||||
anchor int // The anchor id.
|
||||
serialized bool // If the node has been emitted?
|
||||
} |
||||
|
||||
last_anchor_id int // The last assigned anchor id.
|
||||
|
||||
document *yaml_document_t // The currently emitted document.
|
||||
} |
||||
@ -0,0 +1,173 @@ |
||||
package yaml |
||||
|
||||
const ( |
||||
// The size of the input raw buffer.
|
||||
input_raw_buffer_size = 512 |
||||
|
||||
// The size of the input buffer.
|
||||
// It should be possible to decode the whole raw buffer.
|
||||
input_buffer_size = input_raw_buffer_size * 3 |
||||
|
||||
// The size of the output buffer.
|
||||
output_buffer_size = 128 |
||||
|
||||
// The size of the output raw buffer.
|
||||
// It should be possible to encode the whole output buffer.
|
||||
output_raw_buffer_size = (output_buffer_size*2 + 2) |
||||
|
||||
// The size of other stacks and queues.
|
||||
initial_stack_size = 16 |
||||
initial_queue_size = 16 |
||||
initial_string_size = 16 |
||||
) |
||||
|
||||
// Check if the character at the specified position is an alphabetical
|
||||
// character, a digit, '_', or '-'.
|
||||
func is_alpha(b []byte, i int) bool { |
||||
return b[i] >= '0' && b[i] <= '9' || b[i] >= 'A' && b[i] <= 'Z' || b[i] >= 'a' && b[i] <= 'z' || b[i] == '_' || b[i] == '-' |
||||
} |
||||
|
||||
// Check if the character at the specified position is a digit.
|
||||
func is_digit(b []byte, i int) bool { |
||||
return b[i] >= '0' && b[i] <= '9' |
||||
} |
||||
|
||||
// Get the value of a digit.
|
||||
func as_digit(b []byte, i int) int { |
||||
return int(b[i]) - '0' |
||||
} |
||||
|
||||
// Check if the character at the specified position is a hex-digit.
|
||||
func is_hex(b []byte, i int) bool { |
||||
return b[i] >= '0' && b[i] <= '9' || b[i] >= 'A' && b[i] <= 'F' || b[i] >= 'a' && b[i] <= 'f' |
||||
} |
||||
|
||||
// Get the value of a hex-digit.
|
||||
func as_hex(b []byte, i int) int { |
||||
bi := b[i] |
||||
if bi >= 'A' && bi <= 'F' { |
||||
return int(bi) - 'A' + 10 |
||||
} |
||||
if bi >= 'a' && bi <= 'f' { |
||||
return int(bi) - 'a' + 10 |
||||
} |
||||
return int(bi) - '0' |
||||
} |
||||
|
||||
// Check if the character is ASCII.
|
||||
func is_ascii(b []byte, i int) bool { |
||||
return b[i] <= 0x7F |
||||
} |
||||
|
||||
// Check if the character at the start of the buffer can be printed unescaped.
|
||||
func is_printable(b []byte, i int) bool { |
||||
return ((b[i] == 0x0A) || // . == #x0A
|
||||
(b[i] >= 0x20 && b[i] <= 0x7E) || // #x20 <= . <= #x7E
|
||||
(b[i] == 0xC2 && b[i+1] >= 0xA0) || // #0xA0 <= . <= #xD7FF
|
||||
(b[i] > 0xC2 && b[i] < 0xED) || |
||||
(b[i] == 0xED && b[i+1] < 0xA0) || |
||||
(b[i] == 0xEE) || |
||||
(b[i] == 0xEF && // #xE000 <= . <= #xFFFD
|
||||
!(b[i+1] == 0xBB && b[i+2] == 0xBF) && // && . != #xFEFF
|
||||
!(b[i+1] == 0xBF && (b[i+2] == 0xBE || b[i+2] == 0xBF)))) |
||||
} |
||||
|
||||
// Check if the character at the specified position is NUL.
|
||||
func is_z(b []byte, i int) bool { |
||||
return b[i] == 0x00 |
||||
} |
||||
|
||||
// Check if the beginning of the buffer is a BOM.
|
||||
func is_bom(b []byte, i int) bool { |
||||
return b[0] == 0xEF && b[1] == 0xBB && b[2] == 0xBF |
||||
} |
||||
|
||||
// Check if the character at the specified position is space.
|
||||
func is_space(b []byte, i int) bool { |
||||
return b[i] == ' ' |
||||
} |
||||
|
||||
// Check if the character at the specified position is tab.
|
||||
func is_tab(b []byte, i int) bool { |
||||
return b[i] == '\t' |
||||
} |
||||
|
||||
// Check if the character at the specified position is blank (space or tab).
|
||||
func is_blank(b []byte, i int) bool { |
||||
//return is_space(b, i) || is_tab(b, i)
|
||||
return b[i] == ' ' || b[i] == '\t' |
||||
} |
||||
|
||||
// Check if the character at the specified position is a line break.
|
||||
func is_break(b []byte, i int) bool { |
||||
return (b[i] == '\r' || // CR (#xD)
|
||||
b[i] == '\n' || // LF (#xA)
|
||||
b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
|
||||
b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
|
||||
b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9) // PS (#x2029)
|
||||
} |
||||
|
||||
func is_crlf(b []byte, i int) bool { |
||||
return b[i] == '\r' && b[i+1] == '\n' |
||||
} |
||||
|
||||
// Check if the character is a line break or NUL.
|
||||
func is_breakz(b []byte, i int) bool { |
||||
//return is_break(b, i) || is_z(b, i)
|
||||
return ( // is_break:
|
||||
b[i] == '\r' || // CR (#xD)
|
||||
b[i] == '\n' || // LF (#xA)
|
||||
b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
|
||||
b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
|
||||
b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
|
||||
// is_z:
|
||||
b[i] == 0) |
||||
} |
||||
|
||||
// Check if the character is a line break, space, or NUL.
|
||||
func is_spacez(b []byte, i int) bool { |
||||
//return is_space(b, i) || is_breakz(b, i)
|
||||
return ( // is_space:
|
||||
b[i] == ' ' || |
||||
// is_breakz:
|
||||
b[i] == '\r' || // CR (#xD)
|
||||
b[i] == '\n' || // LF (#xA)
|
||||
b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
|
||||
b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
|
||||
b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
|
||||
b[i] == 0) |
||||
} |
||||
|
||||
// Check if the character is a line break, space, tab, or NUL.
|
||||
func is_blankz(b []byte, i int) bool { |
||||
//return is_blank(b, i) || is_breakz(b, i)
|
||||
return ( // is_blank:
|
||||
b[i] == ' ' || b[i] == '\t' || |
||||
// is_breakz:
|
||||
b[i] == '\r' || // CR (#xD)
|
||||
b[i] == '\n' || // LF (#xA)
|
||||
b[i] == 0xC2 && b[i+1] == 0x85 || // NEL (#x85)
|
||||
b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA8 || // LS (#x2028)
|
||||
b[i] == 0xE2 && b[i+1] == 0x80 && b[i+2] == 0xA9 || // PS (#x2029)
|
||||
b[i] == 0) |
||||
} |
||||
|
||||
// Determine the width of the character.
|
||||
func width(b byte) int { |
||||
// Don't replace these by a switch without first
|
||||
// confirming that it is being inlined.
|
||||
if b&0x80 == 0x00 { |
||||
return 1 |
||||
} |
||||
if b&0xE0 == 0xC0 { |
||||
return 2 |
||||
} |
||||
if b&0xF0 == 0xE0 { |
||||
return 3 |
||||
} |
||||
if b&0xF8 == 0xF0 { |
||||
return 4 |
||||
} |
||||
return 0 |
||||
|
||||
} |
||||
Loading…
Reference in new issue