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Олег Бородин
2026-06-16 08:02:19 +02:00
parent 2f7f99d3f0
commit 77299d0c64
1283 changed files with 67302 additions and 208958 deletions
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vendor/go.yaml.in/yaml/v4/internal/libyaml/yaml.go
Generated Vendored
+66 -424
View File
@@ -11,7 +11,6 @@ package libyaml
import (
"fmt"
"io"
"strings"
)
@@ -39,6 +38,7 @@ func (t *TagDirective) GetHandle() string { return string(t.handle) }
// GetPrefix returns the tag prefix.
func (t *TagDirective) GetPrefix() string { return string(t.prefix) }
// Encoding represents the character encoding of a YAML stream.
type Encoding int
// The stream encoding.
@@ -51,6 +51,7 @@ const (
UTF16BE_ENCODING // The UTF-16-BE encoding with BOM.
)
// LineBreak represents the line break style used in YAML output.
type LineBreak int
// Line break types.
@@ -63,6 +64,7 @@ const (
CRLN_BREAK // Use CR LN for line breaks (DOS style).
)
// QuoteStyle represents the preferred quote style for scalar values.
type QuoteStyle int
// Quote style types for required quoting.
@@ -82,6 +84,7 @@ func (q QuoteStyle) ScalarStyle() ScalarStyle {
return SINGLE_QUOTED_SCALAR_STYLE
}
// ErrorType represents the category of error that occurred during processing.
type ErrorType int
// Many bad things could happen with the parser and emitter.
@@ -101,10 +104,11 @@ const (
// Mark holds the pointer position.
type Mark struct {
Index int // The position index.
Line int // The position line (1-indexed).
Column int // The position column (0-indexed internally, displayed as 1-indexed).
Line int // The position line (1-indexed; 0 means unknown).
Column int // The position column (1-indexed; 0 means unknown).
}
// String returns a human-readable string representation of the position mark.
func (m Mark) String() string {
var builder strings.Builder
if m.Line == 0 {
@@ -112,17 +116,60 @@ func (m Mark) String() string {
}
fmt.Fprintf(&builder, "line %d", m.Line)
if m.Column != 0 {
fmt.Fprintf(&builder, ", column %d", m.Column+1)
if m.Column > 0 {
fmt.Fprintf(&builder, ", column %d", m.Column)
}
return builder.String()
}
// shortString returns a compact position string.
// Returns "<unknown position>" when Line is 0 (position not known).
// When Column is 0 (unknown), it is omitted from output ("L{line}");
// otherwise it is displayed as "L{line}.C{col}".
func (m Mark) shortString() string {
if m.Line == 0 {
return "<unknown position>"
}
if m.Column > 0 {
return fmt.Sprintf("L%d.C%d", m.Line, m.Column)
}
return fmt.Sprintf("L%d", m.Line)
}
// rangeString formats a position range from start mark m to end mark.
// Both marks use shortString for their individual display.
// When marks are on the same line:
// - Both Column==0: just "L2" (unknown columns, no range shown)
// - Both Column>0: "L2.C6-C7" (compact column range)
// - Mixed columns: "L1.C4-L1" (full start with line-only end)
//
// When marks are on different lines: "L1.C8-L2.C3"
func (m Mark) rangeString(end Mark) string {
start := m.shortString()
if m.Line == end.Line {
if m.Column == 0 && end.Column == 0 {
// Same line, unknown columns: just "L2"
return start
}
if m.Column > 0 && end.Column > 0 {
if m.Column == end.Column {
// Same position: just "L2.C6"
return start
}
// Same line with columns: "L2.C6-C7"
return fmt.Sprintf("%s-C%d", start, end.Column)
}
}
return fmt.Sprintf("%s-%s", start, end.shortString())
}
// Node Styles
// styleInt is the underlying type for style constants.
type styleInt int8
// ScalarStyle represents the formatting style of a scalar value.
type ScalarStyle styleInt
// Scalar styles.
@@ -155,6 +202,7 @@ func (style ScalarStyle) String() string {
}
}
// SequenceStyle represents the formatting style of a sequence node.
type SequenceStyle styleInt
// Sequence styles.
@@ -166,6 +214,7 @@ const (
FLOW_SEQUENCE_STYLE // The flow sequence style.
)
// MappingStyle represents the formatting style of a mapping node.
type MappingStyle styleInt
// Mapping styles.
@@ -179,6 +228,7 @@ const (
// Tokens
// TokenType represents the type of a scanned token.
type TokenType int
// Token types.
@@ -215,6 +265,7 @@ const (
COMMENT_TOKEN // A COMMENT token.
)
// String returns a string representation of the token type.
func (tt TokenType) String() string {
switch tt {
case NO_TOKEN:
@@ -297,6 +348,7 @@ type Token struct {
// Events
// EventType represents the type of a parsing or emitting event.
type EventType int8
// Event types.
@@ -317,6 +369,7 @@ const (
TAIL_COMMENT_EVENT
)
// eventStrings maps EventType constants to their string representations.
var eventStrings = []string{
NO_EVENT: "none",
STREAM_START_EVENT: "stream start",
@@ -332,6 +385,7 @@ var eventStrings = []string{
TAIL_COMMENT_EVENT: "tail comment",
}
// String returns a string representation of the event type.
func (e EventType) String() string {
if e < 0 || int(e) >= len(eventStrings) {
return fmt.Sprintf("unknown event %d", e)
@@ -382,9 +436,14 @@ type Event struct {
Style Style
}
func (e *Event) ScalarStyle() ScalarStyle { return ScalarStyle(e.Style) }
// ScalarStyle returns the style of a scalar event.
func (e *Event) ScalarStyle() ScalarStyle { return ScalarStyle(e.Style) }
// SequenceStyle returns the style of a sequence event.
func (e *Event) SequenceStyle() SequenceStyle { return SequenceStyle(e.Style) }
func (e *Event) MappingStyle() MappingStyle { return MappingStyle(e.Style) }
// MappingStyle returns the style of a mapping event.
func (e *Event) MappingStyle() MappingStyle { return MappingStyle(e.Style) }
// GetEncoding returns the stream encoding (for STREAM_START_EVENT).
func (e *Event) GetEncoding() Encoding { return e.encoding }
@@ -396,7 +455,6 @@ func (e *Event) GetVersionDirective() *VersionDirective { return e.versionDirect
func (e *Event) GetTagDirectives() []TagDirective { return e.tagDirectives }
// Nodes
const (
NULL_TAG = "tag:yaml.org,2002:null" // The tag !!null with the only possible value: null.
BOOL_TAG = "tag:yaml.org,2002:bool" // The tag !!bool with the values: true and false.
@@ -416,419 +474,3 @@ const (
DEFAULT_SEQUENCE_TAG = SEQ_TAG // The default sequence tag is !!seq.
DEFAULT_MAPPING_TAG = MAP_TAG // The default mapping tag is !!map.
)
type NodeType int
// Node types.
const (
// An empty node.
NO_NODE NodeType = iota
SCALAR_NODE // A scalar node.
SEQUENCE_NODE // A sequence node.
MAPPING_NODE // A mapping node.
)
// NodeItem represents an element of a sequence node.
type NodeItem int
// NodePair represents an element of a mapping node.
type NodePair struct {
key int // The key of the element.
value int // The value of the element.
}
// parserNode represents a single node in the YAML document tree.
type parserNode struct {
typ NodeType // The node type.
tag []byte // The node tag.
// The node data.
// The scalar parameters (for SCALAR_NODE).
scalar struct {
value []byte // The scalar value.
length int // The length of the scalar value.
style ScalarStyle // The scalar style.
}
// The sequence parameters (for YAML_SEQUENCE_NODE).
sequence struct {
items_data []NodeItem // The stack of sequence items.
style SequenceStyle // The sequence style.
}
// The mapping parameters (for MAPPING_NODE).
mapping struct {
pairs_data []NodePair // The stack of mapping pairs (key, value).
pairs_start *NodePair // The beginning of the stack.
pairs_end *NodePair // The end of the stack.
pairs_top *NodePair // The top of the stack.
style MappingStyle // The mapping style.
}
start_mark Mark // The beginning of the node.
end_mark Mark // The end of the node.
}
// Document structure.
type Document struct {
// The document nodes.
nodes []parserNode
// The version directive.
version_directive *VersionDirective
// The list of tag directives.
tag_directives_data []TagDirective
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 Mark
}
// ReadHandler 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
//
// yamlParser.setInput().
//
// [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 ReadHandler func(parser *Parser, buffer []byte) (n int, err error)
// SimpleKey holds information about a potential simple key.
type SimpleKey struct {
flow_level int // What flow level is the key at?
required bool // Is a simple key required?
token_number int // The number of the token.
mark Mark // The position mark.
}
// ParserState represents the state of the parser.
type ParserState int
const (
PARSE_STREAM_START_STATE ParserState = iota
PARSE_IMPLICIT_DOCUMENT_START_STATE // Expect the beginning of an implicit document.
PARSE_DOCUMENT_START_STATE // Expect DOCUMENT-START.
PARSE_DOCUMENT_CONTENT_STATE // Expect the content of a document.
PARSE_DOCUMENT_END_STATE // Expect DOCUMENT-END.
PARSE_BLOCK_NODE_STATE // Expect a block node.
PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE // Expect the first entry of a block sequence.
PARSE_BLOCK_SEQUENCE_ENTRY_STATE // Expect an entry of a block sequence.
PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE // Expect an entry of an indentless sequence.
PARSE_BLOCK_MAPPING_FIRST_KEY_STATE // Expect the first key of a block mapping.
PARSE_BLOCK_MAPPING_KEY_STATE // Expect a block mapping key.
PARSE_BLOCK_MAPPING_VALUE_STATE // Expect a block mapping value.
PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE // Expect the first entry of a flow sequence.
PARSE_FLOW_SEQUENCE_ENTRY_STATE // Expect an entry of a flow sequence.
PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE // Expect a key of an ordered mapping.
PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE // Expect a value of an ordered mapping.
PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE // Expect the and of an ordered mapping entry.
PARSE_FLOW_MAPPING_FIRST_KEY_STATE // Expect the first key of a flow mapping.
PARSE_FLOW_MAPPING_KEY_STATE // Expect a key of a flow mapping.
PARSE_FLOW_MAPPING_VALUE_STATE // Expect a value of a flow mapping.
PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE // Expect an empty value of a flow mapping.
PARSE_END_STATE // Expect nothing.
)
func (ps ParserState) String() string {
switch ps {
case PARSE_STREAM_START_STATE:
return "PARSE_STREAM_START_STATE"
case PARSE_IMPLICIT_DOCUMENT_START_STATE:
return "PARSE_IMPLICIT_DOCUMENT_START_STATE"
case PARSE_DOCUMENT_START_STATE:
return "PARSE_DOCUMENT_START_STATE"
case PARSE_DOCUMENT_CONTENT_STATE:
return "PARSE_DOCUMENT_CONTENT_STATE"
case PARSE_DOCUMENT_END_STATE:
return "PARSE_DOCUMENT_END_STATE"
case PARSE_BLOCK_NODE_STATE:
return "PARSE_BLOCK_NODE_STATE"
case PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE:
return "PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE"
case PARSE_BLOCK_SEQUENCE_ENTRY_STATE:
return "PARSE_BLOCK_SEQUENCE_ENTRY_STATE"
case PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE:
return "PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE"
case PARSE_BLOCK_MAPPING_FIRST_KEY_STATE:
return "PARSE_BLOCK_MAPPING_FIRST_KEY_STATE"
case PARSE_BLOCK_MAPPING_KEY_STATE:
return "PARSE_BLOCK_MAPPING_KEY_STATE"
case PARSE_BLOCK_MAPPING_VALUE_STATE:
return "PARSE_BLOCK_MAPPING_VALUE_STATE"
case PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE:
return "PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE"
case PARSE_FLOW_SEQUENCE_ENTRY_STATE:
return "PARSE_FLOW_SEQUENCE_ENTRY_STATE"
case PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE:
return "PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE"
case PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE:
return "PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE"
case PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE:
return "PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE"
case PARSE_FLOW_MAPPING_FIRST_KEY_STATE:
return "PARSE_FLOW_MAPPING_FIRST_KEY_STATE"
case PARSE_FLOW_MAPPING_KEY_STATE:
return "PARSE_FLOW_MAPPING_KEY_STATE"
case PARSE_FLOW_MAPPING_VALUE_STATE:
return "PARSE_FLOW_MAPPING_VALUE_STATE"
case PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE:
return "PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE"
case PARSE_END_STATE:
return "PARSE_END_STATE"
}
return "<unknown parser state>"
}
// AliasData holds information about aliases.
type AliasData struct {
anchor []byte // The anchor.
index int // The node id.
mark Mark // The anchor mark.
}
// Parser structure holds all information about the current
// state of the parser.
type Parser struct {
lastError error
// Reader stuff
read_handler ReadHandler // 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.
newlines int // The number of line breaks since last non-break/non-blank character
raw_buffer []byte // The raw buffer.
raw_buffer_pos int // The current position of the buffer.
encoding Encoding // The input encoding.
offset int // The offset of the current position (in bytes).
mark Mark // The mark of the current position.
// Comments
HeadComment []byte // The current head comments
LineComment []byte // The current line comments
FootComment []byte // The current foot comments
tail_comment []byte // Foot comment that happens at the end of a block.
stem_comment []byte // Comment in item preceding a nested structure (list inside list item, etc)
comments []Comment // The folded comments for all parsed tokens
comments_head int
// 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 []Token // 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_key_possible bool // Is the current simple key possible?
simple_key SimpleKey // The current simple key.
simple_key_stack []SimpleKey // The stack of simple keys.
// Parser stuff
state ParserState // The current parser state.
states []ParserState // The parser states stack.
marks []Mark // The stack of marks.
tag_directives []TagDirective // The list of TAG directives.
// Representer stuff
aliases []AliasData // The alias data.
document *Document // The currently parsed document.
}
type Comment struct {
ScanMark Mark // Position where scanning for comments started
TokenMark Mark // Position after which tokens will be associated with this comment
StartMark Mark // Position of '#' comment mark
EndMark Mark // Position where comment terminated
Head []byte
Line []byte
Foot []byte
}
// Emitter Definitions
// WriteHandler 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
//
// yamlEmitter.setOutput().
//
// @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 WriteHandler func(emitter *Emitter, buffer []byte) error
type EmitterState int
// The emitter states.
const (
// Expect STREAM-START.
EMIT_STREAM_START_STATE EmitterState = iota
EMIT_FIRST_DOCUMENT_START_STATE // Expect the first DOCUMENT-START or STREAM-END.
EMIT_DOCUMENT_START_STATE // Expect DOCUMENT-START or STREAM-END.
EMIT_DOCUMENT_CONTENT_STATE // Expect the content of a document.
EMIT_DOCUMENT_END_STATE // Expect DOCUMENT-END.
EMIT_FLOW_SEQUENCE_FIRST_ITEM_STATE // Expect the first item of a flow sequence.
EMIT_FLOW_SEQUENCE_TRAIL_ITEM_STATE // Expect the next item of a flow sequence, with the comma already written out
EMIT_FLOW_SEQUENCE_ITEM_STATE // Expect an item of a flow sequence.
EMIT_FLOW_MAPPING_FIRST_KEY_STATE // Expect the first key of a flow mapping.
EMIT_FLOW_MAPPING_TRAIL_KEY_STATE // Expect the next key of a flow mapping, with the comma already written out
EMIT_FLOW_MAPPING_KEY_STATE // Expect a key of a flow mapping.
EMIT_FLOW_MAPPING_SIMPLE_VALUE_STATE // Expect a value for a simple key of a flow mapping.
EMIT_FLOW_MAPPING_VALUE_STATE // Expect a value of a flow mapping.
EMIT_BLOCK_SEQUENCE_FIRST_ITEM_STATE // Expect the first item of a block sequence.
EMIT_BLOCK_SEQUENCE_ITEM_STATE // Expect an item of a block sequence.
EMIT_BLOCK_MAPPING_FIRST_KEY_STATE // Expect the first key of a block mapping.
EMIT_BLOCK_MAPPING_KEY_STATE // Expect the key of a block mapping.
EMIT_BLOCK_MAPPING_SIMPLE_VALUE_STATE // Expect a value for a simple key of a block mapping.
EMIT_BLOCK_MAPPING_VALUE_STATE // Expect a value of a block mapping.
EMIT_END_STATE // Expect nothing.
)
// Emitter holds all information about the current state of the emitter.
type Emitter struct {
// Writer stuff
write_handler WriteHandler // 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.
encoding Encoding // The stream encoding.
// Emitter stuff
canonical bool // If the output is in the canonical style?
BestIndent 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 LineBreak // The preferred line break.
quotePreference QuoteStyle // Preferred quote style when quoting is required.
state EmitterState // The current emitter state.
states []EmitterState // The stack of states.
events []Event // The event queue.
events_head int // The head of the event queue.
indents []int // The stack of indentation levels.
tag_directives []TagDirective // The list of tag directives.
indent int // The current indentation level.
CompactSequenceIndent bool // Is '- ' is considered part of the indentation for sequence elements?
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 (' ', '-', '?', ':')?
OpenEnded bool // If an explicit document end is required?
space_above bool // Is there's an empty line above?
foot_indent int // The indent used to write the foot comment above, or -1 if none.
// 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 expressed 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 ScalarStyle // The output style.
}
// Comments
HeadComment []byte
LineComment []byte
FootComment []byte
TailComment []byte
key_line_comment []byte
// Representer 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 *Document // The currently emitted document.
}