1528 lines
63 KiB
Cython
1528 lines
63 KiB
Cython
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import yaml
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def get_version_string():
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cdef char *value
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value = yaml_get_version_string()
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if PY_MAJOR_VERSION < 3:
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return value
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else:
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return PyUnicode_FromString(value)
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def get_version():
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cdef int major, minor, patch
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yaml_get_version(&major, &minor, &patch)
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return (major, minor, patch)
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#Mark = yaml.error.Mark
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YAMLError = yaml.error.YAMLError
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ReaderError = yaml.reader.ReaderError
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ScannerError = yaml.scanner.ScannerError
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ParserError = yaml.parser.ParserError
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ComposerError = yaml.composer.ComposerError
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ConstructorError = yaml.constructor.ConstructorError
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EmitterError = yaml.emitter.EmitterError
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SerializerError = yaml.serializer.SerializerError
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RepresenterError = yaml.representer.RepresenterError
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StreamStartToken = yaml.tokens.StreamStartToken
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StreamEndToken = yaml.tokens.StreamEndToken
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DirectiveToken = yaml.tokens.DirectiveToken
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DocumentStartToken = yaml.tokens.DocumentStartToken
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DocumentEndToken = yaml.tokens.DocumentEndToken
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BlockSequenceStartToken = yaml.tokens.BlockSequenceStartToken
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BlockMappingStartToken = yaml.tokens.BlockMappingStartToken
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BlockEndToken = yaml.tokens.BlockEndToken
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FlowSequenceStartToken = yaml.tokens.FlowSequenceStartToken
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FlowMappingStartToken = yaml.tokens.FlowMappingStartToken
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FlowSequenceEndToken = yaml.tokens.FlowSequenceEndToken
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FlowMappingEndToken = yaml.tokens.FlowMappingEndToken
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KeyToken = yaml.tokens.KeyToken
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ValueToken = yaml.tokens.ValueToken
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BlockEntryToken = yaml.tokens.BlockEntryToken
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FlowEntryToken = yaml.tokens.FlowEntryToken
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AliasToken = yaml.tokens.AliasToken
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AnchorToken = yaml.tokens.AnchorToken
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TagToken = yaml.tokens.TagToken
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ScalarToken = yaml.tokens.ScalarToken
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StreamStartEvent = yaml.events.StreamStartEvent
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StreamEndEvent = yaml.events.StreamEndEvent
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DocumentStartEvent = yaml.events.DocumentStartEvent
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DocumentEndEvent = yaml.events.DocumentEndEvent
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AliasEvent = yaml.events.AliasEvent
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ScalarEvent = yaml.events.ScalarEvent
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SequenceStartEvent = yaml.events.SequenceStartEvent
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SequenceEndEvent = yaml.events.SequenceEndEvent
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MappingStartEvent = yaml.events.MappingStartEvent
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MappingEndEvent = yaml.events.MappingEndEvent
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ScalarNode = yaml.nodes.ScalarNode
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SequenceNode = yaml.nodes.SequenceNode
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MappingNode = yaml.nodes.MappingNode
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cdef class Mark:
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cdef readonly object name
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cdef readonly int index
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cdef readonly int line
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cdef readonly int column
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cdef readonly buffer
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cdef readonly pointer
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def __init__(self, object name, int index, int line, int column,
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object buffer, object pointer):
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self.name = name
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self.index = index
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self.line = line
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self.column = column
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self.buffer = buffer
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self.pointer = pointer
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def get_snippet(self):
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return None
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def __str__(self):
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where = " in \"%s\", line %d, column %d" \
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% (self.name, self.line+1, self.column+1)
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return where
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#class YAMLError(Exception):
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# pass
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#
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#class MarkedYAMLError(YAMLError):
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#
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# def __init__(self, context=None, context_mark=None,
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# problem=None, problem_mark=None, note=None):
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# self.context = context
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# self.context_mark = context_mark
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# self.problem = problem
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# self.problem_mark = problem_mark
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# self.note = note
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#
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# def __str__(self):
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# lines = []
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# if self.context is not None:
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# lines.append(self.context)
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# if self.context_mark is not None \
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# and (self.problem is None or self.problem_mark is None
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# or self.context_mark.name != self.problem_mark.name
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# or self.context_mark.line != self.problem_mark.line
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# or self.context_mark.column != self.problem_mark.column):
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# lines.append(str(self.context_mark))
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# if self.problem is not None:
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# lines.append(self.problem)
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# if self.problem_mark is not None:
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# lines.append(str(self.problem_mark))
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# if self.note is not None:
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# lines.append(self.note)
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# return '\n'.join(lines)
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#
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#class ReaderError(YAMLError):
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#
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# def __init__(self, name, position, character, encoding, reason):
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# self.name = name
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# self.character = character
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# self.position = position
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# self.encoding = encoding
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# self.reason = reason
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#
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# def __str__(self):
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# if isinstance(self.character, str):
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# return "'%s' codec can't decode byte #x%02x: %s\n" \
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# " in \"%s\", position %d" \
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# % (self.encoding, ord(self.character), self.reason,
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# self.name, self.position)
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# else:
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# return "unacceptable character #x%04x: %s\n" \
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# " in \"%s\", position %d" \
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# % (ord(self.character), self.reason,
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# self.name, self.position)
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#
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#class ScannerError(MarkedYAMLError):
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# pass
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#
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#class ParserError(MarkedYAMLError):
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# pass
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#
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#class EmitterError(YAMLError):
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# pass
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#
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#cdef class Token:
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# cdef readonly Mark start_mark
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# cdef readonly Mark end_mark
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# def __init__(self, Mark start_mark, Mark end_mark):
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# self.start_mark = start_mark
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# self.end_mark = end_mark
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#
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#cdef class StreamStartToken(Token):
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# cdef readonly object encoding
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# def __init__(self, Mark start_mark, Mark end_mark, encoding):
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# self.start_mark = start_mark
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# self.end_mark = end_mark
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# self.encoding = encoding
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#
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#cdef class StreamEndToken(Token):
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# pass
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#
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#cdef class DirectiveToken(Token):
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# cdef readonly object name
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# cdef readonly object value
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# def __init__(self, name, value, Mark start_mark, Mark end_mark):
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# self.name = name
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# self.value = value
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# self.start_mark = start_mark
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# self.end_mark = end_mark
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#
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#cdef class DocumentStartToken(Token):
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# pass
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#
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#cdef class DocumentEndToken(Token):
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# pass
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#
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#cdef class BlockSequenceStartToken(Token):
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# pass
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#
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#cdef class BlockMappingStartToken(Token):
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# pass
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#
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#cdef class BlockEndToken(Token):
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# pass
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#
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#cdef class FlowSequenceStartToken(Token):
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# pass
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#
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#cdef class FlowMappingStartToken(Token):
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# pass
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#
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#cdef class FlowSequenceEndToken(Token):
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# pass
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#
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#cdef class FlowMappingEndToken(Token):
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# pass
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#
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#cdef class KeyToken(Token):
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# pass
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#
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#cdef class ValueToken(Token):
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# pass
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#
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#cdef class BlockEntryToken(Token):
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# pass
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#
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#cdef class FlowEntryToken(Token):
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# pass
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#
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#cdef class AliasToken(Token):
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# cdef readonly object value
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# def __init__(self, value, Mark start_mark, Mark end_mark):
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# self.value = value
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# self.start_mark = start_mark
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# self.end_mark = end_mark
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#
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#cdef class AnchorToken(Token):
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# cdef readonly object value
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# def __init__(self, value, Mark start_mark, Mark end_mark):
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# self.value = value
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# self.start_mark = start_mark
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# self.end_mark = end_mark
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#
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#cdef class TagToken(Token):
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# cdef readonly object value
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# def __init__(self, value, Mark start_mark, Mark end_mark):
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# self.value = value
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# self.start_mark = start_mark
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# self.end_mark = end_mark
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#
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#cdef class ScalarToken(Token):
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# cdef readonly object value
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# cdef readonly object plain
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# cdef readonly object style
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# def __init__(self, value, plain, Mark start_mark, Mark end_mark, style=None):
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# self.value = value
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# self.plain = plain
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# self.start_mark = start_mark
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# self.end_mark = end_mark
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# self.style = style
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cdef class CParser:
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cdef yaml_parser_t parser
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cdef yaml_event_t parsed_event
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cdef object stream
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cdef object stream_name
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cdef object current_token
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cdef object current_event
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cdef object anchors
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cdef object stream_cache
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cdef int stream_cache_len
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cdef int stream_cache_pos
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cdef int unicode_source
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def __init__(self, stream):
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cdef is_readable
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if yaml_parser_initialize(&self.parser) == 0:
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raise MemoryError
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self.parsed_event.type = YAML_NO_EVENT
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is_readable = 1
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try:
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stream.read
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except AttributeError:
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is_readable = 0
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self.unicode_source = 0
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if is_readable:
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self.stream = stream
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try:
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self.stream_name = stream.name
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except AttributeError:
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if PY_MAJOR_VERSION < 3:
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self.stream_name = '<file>'
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else:
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self.stream_name = u'<file>'
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self.stream_cache = None
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self.stream_cache_len = 0
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self.stream_cache_pos = 0
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yaml_parser_set_input(&self.parser, input_handler, <void *>self)
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else:
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if PyUnicode_CheckExact(stream) != 0:
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stream = PyUnicode_AsUTF8String(stream)
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if PY_MAJOR_VERSION < 3:
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self.stream_name = '<unicode string>'
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else:
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self.stream_name = u'<unicode string>'
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self.unicode_source = 1
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else:
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if PY_MAJOR_VERSION < 3:
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self.stream_name = '<byte string>'
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else:
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self.stream_name = u'<byte string>'
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if PyString_CheckExact(stream) == 0:
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if PY_MAJOR_VERSION < 3:
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raise TypeError("a string or stream input is required")
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else:
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raise TypeError(u"a string or stream input is required")
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self.stream = stream
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yaml_parser_set_input_string(&self.parser, PyString_AS_STRING(stream), PyString_GET_SIZE(stream))
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self.current_token = None
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self.current_event = None
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self.anchors = {}
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def __dealloc__(self):
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yaml_parser_delete(&self.parser)
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yaml_event_delete(&self.parsed_event)
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def dispose(self):
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pass
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cdef object _parser_error(self):
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if self.parser.error == YAML_MEMORY_ERROR:
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return MemoryError
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elif self.parser.error == YAML_READER_ERROR:
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if PY_MAJOR_VERSION < 3:
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return ReaderError(self.stream_name, self.parser.problem_offset,
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self.parser.problem_value, '?', self.parser.problem)
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else:
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return ReaderError(self.stream_name, self.parser.problem_offset,
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self.parser.problem_value, u'?', PyUnicode_FromString(self.parser.problem))
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elif self.parser.error == YAML_SCANNER_ERROR \
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or self.parser.error == YAML_PARSER_ERROR:
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context_mark = None
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problem_mark = None
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if self.parser.context != NULL:
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context_mark = Mark(self.stream_name,
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self.parser.context_mark.index,
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self.parser.context_mark.line,
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self.parser.context_mark.column, None, None)
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if self.parser.problem != NULL:
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problem_mark = Mark(self.stream_name,
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self.parser.problem_mark.index,
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self.parser.problem_mark.line,
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self.parser.problem_mark.column, None, None)
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context = None
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if self.parser.context != NULL:
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if PY_MAJOR_VERSION < 3:
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context = self.parser.context
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else:
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context = PyUnicode_FromString(self.parser.context)
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if PY_MAJOR_VERSION < 3:
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problem = self.parser.problem
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else:
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problem = PyUnicode_FromString(self.parser.problem)
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if self.parser.error == YAML_SCANNER_ERROR:
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return ScannerError(context, context_mark, problem, problem_mark)
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else:
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return ParserError(context, context_mark, problem, problem_mark)
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if PY_MAJOR_VERSION < 3:
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raise ValueError("no parser error")
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else:
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raise ValueError(u"no parser error")
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def raw_scan(self):
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cdef yaml_token_t token
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cdef int done
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cdef int count
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count = 0
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done = 0
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while done == 0:
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if yaml_parser_scan(&self.parser, &token) == 0:
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error = self._parser_error()
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raise error
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if token.type == YAML_NO_TOKEN:
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done = 1
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else:
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count = count+1
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yaml_token_delete(&token)
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return count
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cdef object _scan(self):
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cdef yaml_token_t token
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if yaml_parser_scan(&self.parser, &token) == 0:
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error = self._parser_error()
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raise error
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token_object = self._token_to_object(&token)
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yaml_token_delete(&token)
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return token_object
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cdef object _token_to_object(self, yaml_token_t *token):
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start_mark = Mark(self.stream_name,
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token.start_mark.index,
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token.start_mark.line,
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token.start_mark.column,
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None, None)
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end_mark = Mark(self.stream_name,
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token.end_mark.index,
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token.end_mark.line,
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token.end_mark.column,
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None, None)
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if token.type == YAML_NO_TOKEN:
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return None
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elif token.type == YAML_STREAM_START_TOKEN:
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encoding = None
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if token.data.stream_start.encoding == YAML_UTF8_ENCODING:
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if self.unicode_source == 0:
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encoding = u"utf-8"
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elif token.data.stream_start.encoding == YAML_UTF16LE_ENCODING:
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encoding = u"utf-16-le"
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elif token.data.stream_start.encoding == YAML_UTF16BE_ENCODING:
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encoding = u"utf-16-be"
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return StreamStartToken(start_mark, end_mark, encoding)
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elif token.type == YAML_STREAM_END_TOKEN:
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return StreamEndToken(start_mark, end_mark)
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elif token.type == YAML_VERSION_DIRECTIVE_TOKEN:
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return DirectiveToken(u"YAML",
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(token.data.version_directive.major,
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token.data.version_directive.minor),
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start_mark, end_mark)
|
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elif token.type == YAML_TAG_DIRECTIVE_TOKEN:
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handle = PyUnicode_FromString(token.data.tag_directive.handle)
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prefix = PyUnicode_FromString(token.data.tag_directive.prefix)
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return DirectiveToken(u"TAG", (handle, prefix),
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start_mark, end_mark)
|
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elif token.type == YAML_DOCUMENT_START_TOKEN:
|
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return DocumentStartToken(start_mark, end_mark)
|
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elif token.type == YAML_DOCUMENT_END_TOKEN:
|
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return DocumentEndToken(start_mark, end_mark)
|
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elif token.type == YAML_BLOCK_SEQUENCE_START_TOKEN:
|
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return BlockSequenceStartToken(start_mark, end_mark)
|
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elif token.type == YAML_BLOCK_MAPPING_START_TOKEN:
|
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return BlockMappingStartToken(start_mark, end_mark)
|
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elif token.type == YAML_BLOCK_END_TOKEN:
|
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return BlockEndToken(start_mark, end_mark)
|
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elif token.type == YAML_FLOW_SEQUENCE_START_TOKEN:
|
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return FlowSequenceStartToken(start_mark, end_mark)
|
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elif token.type == YAML_FLOW_SEQUENCE_END_TOKEN:
|
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return FlowSequenceEndToken(start_mark, end_mark)
|
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elif token.type == YAML_FLOW_MAPPING_START_TOKEN:
|
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return FlowMappingStartToken(start_mark, end_mark)
|
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elif token.type == YAML_FLOW_MAPPING_END_TOKEN:
|
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return FlowMappingEndToken(start_mark, end_mark)
|
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elif token.type == YAML_BLOCK_ENTRY_TOKEN:
|
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return BlockEntryToken(start_mark, end_mark)
|
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elif token.type == YAML_FLOW_ENTRY_TOKEN:
|
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return FlowEntryToken(start_mark, end_mark)
|
|
elif token.type == YAML_KEY_TOKEN:
|
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return KeyToken(start_mark, end_mark)
|
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elif token.type == YAML_VALUE_TOKEN:
|
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return ValueToken(start_mark, end_mark)
|
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elif token.type == YAML_ALIAS_TOKEN:
|
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value = PyUnicode_FromString(token.data.alias.value)
|
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return AliasToken(value, start_mark, end_mark)
|
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elif token.type == YAML_ANCHOR_TOKEN:
|
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value = PyUnicode_FromString(token.data.anchor.value)
|
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return AnchorToken(value, start_mark, end_mark)
|
|
elif token.type == YAML_TAG_TOKEN:
|
|
handle = PyUnicode_FromString(token.data.tag.handle)
|
|
suffix = PyUnicode_FromString(token.data.tag.suffix)
|
|
if not handle:
|
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handle = None
|
|
return TagToken((handle, suffix), start_mark, end_mark)
|
|
elif token.type == YAML_SCALAR_TOKEN:
|
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value = PyUnicode_DecodeUTF8(token.data.scalar.value,
|
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token.data.scalar.length, 'strict')
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plain = False
|
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style = None
|
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if token.data.scalar.style == YAML_PLAIN_SCALAR_STYLE:
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plain = True
|
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style = u''
|
|
elif token.data.scalar.style == YAML_SINGLE_QUOTED_SCALAR_STYLE:
|
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style = u'\''
|
|
elif token.data.scalar.style == YAML_DOUBLE_QUOTED_SCALAR_STYLE:
|
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style = u'"'
|
|
elif token.data.scalar.style == YAML_LITERAL_SCALAR_STYLE:
|
|
style = u'|'
|
|
elif token.data.scalar.style == YAML_FOLDED_SCALAR_STYLE:
|
|
style = u'>'
|
|
return ScalarToken(value, plain,
|
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start_mark, end_mark, style)
|
|
else:
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise ValueError("unknown token type")
|
|
else:
|
|
raise ValueError(u"unknown token type")
|
|
|
|
def get_token(self):
|
|
if self.current_token is not None:
|
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value = self.current_token
|
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self.current_token = None
|
|
else:
|
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value = self._scan()
|
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return value
|
|
|
|
def peek_token(self):
|
|
if self.current_token is None:
|
|
self.current_token = self._scan()
|
|
return self.current_token
|
|
|
|
def check_token(self, *choices):
|
|
if self.current_token is None:
|
|
self.current_token = self._scan()
|
|
if self.current_token is None:
|
|
return False
|
|
if not choices:
|
|
return True
|
|
token_class = self.current_token.__class__
|
|
for choice in choices:
|
|
if token_class is choice:
|
|
return True
|
|
return False
|
|
|
|
def raw_parse(self):
|
|
cdef yaml_event_t event
|
|
cdef int done
|
|
cdef int count
|
|
count = 0
|
|
done = 0
|
|
while done == 0:
|
|
if yaml_parser_parse(&self.parser, &event) == 0:
|
|
error = self._parser_error()
|
|
raise error
|
|
if event.type == YAML_NO_EVENT:
|
|
done = 1
|
|
else:
|
|
count = count+1
|
|
yaml_event_delete(&event)
|
|
return count
|
|
|
|
cdef object _parse(self):
|
|
cdef yaml_event_t event
|
|
if yaml_parser_parse(&self.parser, &event) == 0:
|
|
error = self._parser_error()
|
|
raise error
|
|
event_object = self._event_to_object(&event)
|
|
yaml_event_delete(&event)
|
|
return event_object
|
|
|
|
cdef object _event_to_object(self, yaml_event_t *event):
|
|
cdef yaml_tag_directive_t *tag_directive
|
|
start_mark = Mark(self.stream_name,
|
|
event.start_mark.index,
|
|
event.start_mark.line,
|
|
event.start_mark.column,
|
|
None, None)
|
|
end_mark = Mark(self.stream_name,
|
|
event.end_mark.index,
|
|
event.end_mark.line,
|
|
event.end_mark.column,
|
|
None, None)
|
|
if event.type == YAML_NO_EVENT:
|
|
return None
|
|
elif event.type == YAML_STREAM_START_EVENT:
|
|
encoding = None
|
|
if event.data.stream_start.encoding == YAML_UTF8_ENCODING:
|
|
if self.unicode_source == 0:
|
|
encoding = u"utf-8"
|
|
elif event.data.stream_start.encoding == YAML_UTF16LE_ENCODING:
|
|
encoding = u"utf-16-le"
|
|
elif event.data.stream_start.encoding == YAML_UTF16BE_ENCODING:
|
|
encoding = u"utf-16-be"
|
|
return StreamStartEvent(start_mark, end_mark, encoding)
|
|
elif event.type == YAML_STREAM_END_EVENT:
|
|
return StreamEndEvent(start_mark, end_mark)
|
|
elif event.type == YAML_DOCUMENT_START_EVENT:
|
|
explicit = False
|
|
if event.data.document_start.implicit == 0:
|
|
explicit = True
|
|
version = None
|
|
if event.data.document_start.version_directive != NULL:
|
|
version = (event.data.document_start.version_directive.major,
|
|
event.data.document_start.version_directive.minor)
|
|
tags = None
|
|
if event.data.document_start.tag_directives.start != NULL:
|
|
tags = {}
|
|
tag_directive = event.data.document_start.tag_directives.start
|
|
while tag_directive != event.data.document_start.tag_directives.end:
|
|
handle = PyUnicode_FromString(tag_directive.handle)
|
|
prefix = PyUnicode_FromString(tag_directive.prefix)
|
|
tags[handle] = prefix
|
|
tag_directive = tag_directive+1
|
|
return DocumentStartEvent(start_mark, end_mark,
|
|
explicit, version, tags)
|
|
elif event.type == YAML_DOCUMENT_END_EVENT:
|
|
explicit = False
|
|
if event.data.document_end.implicit == 0:
|
|
explicit = True
|
|
return DocumentEndEvent(start_mark, end_mark, explicit)
|
|
elif event.type == YAML_ALIAS_EVENT:
|
|
anchor = PyUnicode_FromString(event.data.alias.anchor)
|
|
return AliasEvent(anchor, start_mark, end_mark)
|
|
elif event.type == YAML_SCALAR_EVENT:
|
|
anchor = None
|
|
if event.data.scalar.anchor != NULL:
|
|
anchor = PyUnicode_FromString(event.data.scalar.anchor)
|
|
tag = None
|
|
if event.data.scalar.tag != NULL:
|
|
tag = PyUnicode_FromString(event.data.scalar.tag)
|
|
value = PyUnicode_DecodeUTF8(event.data.scalar.value,
|
|
event.data.scalar.length, 'strict')
|
|
plain_implicit = False
|
|
if event.data.scalar.plain_implicit == 1:
|
|
plain_implicit = True
|
|
quoted_implicit = False
|
|
if event.data.scalar.quoted_implicit == 1:
|
|
quoted_implicit = True
|
|
style = None
|
|
if event.data.scalar.style == YAML_PLAIN_SCALAR_STYLE:
|
|
style = u''
|
|
elif event.data.scalar.style == YAML_SINGLE_QUOTED_SCALAR_STYLE:
|
|
style = u'\''
|
|
elif event.data.scalar.style == YAML_DOUBLE_QUOTED_SCALAR_STYLE:
|
|
style = u'"'
|
|
elif event.data.scalar.style == YAML_LITERAL_SCALAR_STYLE:
|
|
style = u'|'
|
|
elif event.data.scalar.style == YAML_FOLDED_SCALAR_STYLE:
|
|
style = u'>'
|
|
return ScalarEvent(anchor, tag,
|
|
(plain_implicit, quoted_implicit),
|
|
value, start_mark, end_mark, style)
|
|
elif event.type == YAML_SEQUENCE_START_EVENT:
|
|
anchor = None
|
|
if event.data.sequence_start.anchor != NULL:
|
|
anchor = PyUnicode_FromString(event.data.sequence_start.anchor)
|
|
tag = None
|
|
if event.data.sequence_start.tag != NULL:
|
|
tag = PyUnicode_FromString(event.data.sequence_start.tag)
|
|
implicit = False
|
|
if event.data.sequence_start.implicit == 1:
|
|
implicit = True
|
|
flow_style = None
|
|
if event.data.sequence_start.style == YAML_FLOW_SEQUENCE_STYLE:
|
|
flow_style = True
|
|
elif event.data.sequence_start.style == YAML_BLOCK_SEQUENCE_STYLE:
|
|
flow_style = False
|
|
return SequenceStartEvent(anchor, tag, implicit,
|
|
start_mark, end_mark, flow_style)
|
|
elif event.type == YAML_MAPPING_START_EVENT:
|
|
anchor = None
|
|
if event.data.mapping_start.anchor != NULL:
|
|
anchor = PyUnicode_FromString(event.data.mapping_start.anchor)
|
|
tag = None
|
|
if event.data.mapping_start.tag != NULL:
|
|
tag = PyUnicode_FromString(event.data.mapping_start.tag)
|
|
implicit = False
|
|
if event.data.mapping_start.implicit == 1:
|
|
implicit = True
|
|
flow_style = None
|
|
if event.data.mapping_start.style == YAML_FLOW_MAPPING_STYLE:
|
|
flow_style = True
|
|
elif event.data.mapping_start.style == YAML_BLOCK_MAPPING_STYLE:
|
|
flow_style = False
|
|
return MappingStartEvent(anchor, tag, implicit,
|
|
start_mark, end_mark, flow_style)
|
|
elif event.type == YAML_SEQUENCE_END_EVENT:
|
|
return SequenceEndEvent(start_mark, end_mark)
|
|
elif event.type == YAML_MAPPING_END_EVENT:
|
|
return MappingEndEvent(start_mark, end_mark)
|
|
else:
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise ValueError("unknown event type")
|
|
else:
|
|
raise ValueError(u"unknown event type")
|
|
|
|
def get_event(self):
|
|
if self.current_event is not None:
|
|
value = self.current_event
|
|
self.current_event = None
|
|
else:
|
|
value = self._parse()
|
|
return value
|
|
|
|
def peek_event(self):
|
|
if self.current_event is None:
|
|
self.current_event = self._parse()
|
|
return self.current_event
|
|
|
|
def check_event(self, *choices):
|
|
if self.current_event is None:
|
|
self.current_event = self._parse()
|
|
if self.current_event is None:
|
|
return False
|
|
if not choices:
|
|
return True
|
|
event_class = self.current_event.__class__
|
|
for choice in choices:
|
|
if event_class is choice:
|
|
return True
|
|
return False
|
|
|
|
def check_node(self):
|
|
self._parse_next_event()
|
|
if self.parsed_event.type == YAML_STREAM_START_EVENT:
|
|
yaml_event_delete(&self.parsed_event)
|
|
self._parse_next_event()
|
|
if self.parsed_event.type != YAML_STREAM_END_EVENT:
|
|
return True
|
|
return False
|
|
|
|
def get_node(self):
|
|
self._parse_next_event()
|
|
if self.parsed_event.type != YAML_STREAM_END_EVENT:
|
|
return self._compose_document()
|
|
|
|
def get_single_node(self):
|
|
self._parse_next_event()
|
|
yaml_event_delete(&self.parsed_event)
|
|
self._parse_next_event()
|
|
document = None
|
|
if self.parsed_event.type != YAML_STREAM_END_EVENT:
|
|
document = self._compose_document()
|
|
self._parse_next_event()
|
|
if self.parsed_event.type != YAML_STREAM_END_EVENT:
|
|
mark = Mark(self.stream_name,
|
|
self.parsed_event.start_mark.index,
|
|
self.parsed_event.start_mark.line,
|
|
self.parsed_event.start_mark.column,
|
|
None, None)
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise ComposerError("expected a single document in the stream",
|
|
document.start_mark, "but found another document", mark)
|
|
else:
|
|
raise ComposerError(u"expected a single document in the stream",
|
|
document.start_mark, u"but found another document", mark)
|
|
return document
|
|
|
|
cdef object _compose_document(self):
|
|
yaml_event_delete(&self.parsed_event)
|
|
node = self._compose_node(None, None)
|
|
self._parse_next_event()
|
|
yaml_event_delete(&self.parsed_event)
|
|
self.anchors = {}
|
|
return node
|
|
|
|
cdef object _compose_node(self, object parent, object index):
|
|
self._parse_next_event()
|
|
if self.parsed_event.type == YAML_ALIAS_EVENT:
|
|
anchor = PyUnicode_FromString(self.parsed_event.data.alias.anchor)
|
|
if anchor not in self.anchors:
|
|
mark = Mark(self.stream_name,
|
|
self.parsed_event.start_mark.index,
|
|
self.parsed_event.start_mark.line,
|
|
self.parsed_event.start_mark.column,
|
|
None, None)
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise ComposerError(None, None, "found undefined alias", mark)
|
|
else:
|
|
raise ComposerError(None, None, u"found undefined alias", mark)
|
|
yaml_event_delete(&self.parsed_event)
|
|
return self.anchors[anchor]
|
|
anchor = None
|
|
if self.parsed_event.type == YAML_SCALAR_EVENT \
|
|
and self.parsed_event.data.scalar.anchor != NULL:
|
|
anchor = PyUnicode_FromString(self.parsed_event.data.scalar.anchor)
|
|
elif self.parsed_event.type == YAML_SEQUENCE_START_EVENT \
|
|
and self.parsed_event.data.sequence_start.anchor != NULL:
|
|
anchor = PyUnicode_FromString(self.parsed_event.data.sequence_start.anchor)
|
|
elif self.parsed_event.type == YAML_MAPPING_START_EVENT \
|
|
and self.parsed_event.data.mapping_start.anchor != NULL:
|
|
anchor = PyUnicode_FromString(self.parsed_event.data.mapping_start.anchor)
|
|
if anchor is not None:
|
|
if anchor in self.anchors:
|
|
mark = Mark(self.stream_name,
|
|
self.parsed_event.start_mark.index,
|
|
self.parsed_event.start_mark.line,
|
|
self.parsed_event.start_mark.column,
|
|
None, None)
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise ComposerError("found duplicate anchor; first occurence",
|
|
self.anchors[anchor].start_mark, "second occurence", mark)
|
|
else:
|
|
raise ComposerError(u"found duplicate anchor; first occurence",
|
|
self.anchors[anchor].start_mark, u"second occurence", mark)
|
|
self.descend_resolver(parent, index)
|
|
if self.parsed_event.type == YAML_SCALAR_EVENT:
|
|
node = self._compose_scalar_node(anchor)
|
|
elif self.parsed_event.type == YAML_SEQUENCE_START_EVENT:
|
|
node = self._compose_sequence_node(anchor)
|
|
elif self.parsed_event.type == YAML_MAPPING_START_EVENT:
|
|
node = self._compose_mapping_node(anchor)
|
|
self.ascend_resolver()
|
|
return node
|
|
|
|
cdef _compose_scalar_node(self, object anchor):
|
|
start_mark = Mark(self.stream_name,
|
|
self.parsed_event.start_mark.index,
|
|
self.parsed_event.start_mark.line,
|
|
self.parsed_event.start_mark.column,
|
|
None, None)
|
|
end_mark = Mark(self.stream_name,
|
|
self.parsed_event.end_mark.index,
|
|
self.parsed_event.end_mark.line,
|
|
self.parsed_event.end_mark.column,
|
|
None, None)
|
|
value = PyUnicode_DecodeUTF8(self.parsed_event.data.scalar.value,
|
|
self.parsed_event.data.scalar.length, 'strict')
|
|
plain_implicit = False
|
|
if self.parsed_event.data.scalar.plain_implicit == 1:
|
|
plain_implicit = True
|
|
quoted_implicit = False
|
|
if self.parsed_event.data.scalar.quoted_implicit == 1:
|
|
quoted_implicit = True
|
|
if self.parsed_event.data.scalar.tag == NULL \
|
|
or (self.parsed_event.data.scalar.tag[0] == c'!'
|
|
and self.parsed_event.data.scalar.tag[1] == c'\0'):
|
|
tag = self.resolve(ScalarNode, value, (plain_implicit, quoted_implicit))
|
|
else:
|
|
tag = PyUnicode_FromString(self.parsed_event.data.scalar.tag)
|
|
style = None
|
|
if self.parsed_event.data.scalar.style == YAML_PLAIN_SCALAR_STYLE:
|
|
style = u''
|
|
elif self.parsed_event.data.scalar.style == YAML_SINGLE_QUOTED_SCALAR_STYLE:
|
|
style = u'\''
|
|
elif self.parsed_event.data.scalar.style == YAML_DOUBLE_QUOTED_SCALAR_STYLE:
|
|
style = u'"'
|
|
elif self.parsed_event.data.scalar.style == YAML_LITERAL_SCALAR_STYLE:
|
|
style = u'|'
|
|
elif self.parsed_event.data.scalar.style == YAML_FOLDED_SCALAR_STYLE:
|
|
style = u'>'
|
|
node = ScalarNode(tag, value, start_mark, end_mark, style)
|
|
if anchor is not None:
|
|
self.anchors[anchor] = node
|
|
yaml_event_delete(&self.parsed_event)
|
|
return node
|
|
|
|
cdef _compose_sequence_node(self, object anchor):
|
|
cdef int index
|
|
start_mark = Mark(self.stream_name,
|
|
self.parsed_event.start_mark.index,
|
|
self.parsed_event.start_mark.line,
|
|
self.parsed_event.start_mark.column,
|
|
None, None)
|
|
implicit = False
|
|
if self.parsed_event.data.sequence_start.implicit == 1:
|
|
implicit = True
|
|
if self.parsed_event.data.sequence_start.tag == NULL \
|
|
or (self.parsed_event.data.sequence_start.tag[0] == c'!'
|
|
and self.parsed_event.data.sequence_start.tag[1] == c'\0'):
|
|
tag = self.resolve(SequenceNode, None, implicit)
|
|
else:
|
|
tag = PyUnicode_FromString(self.parsed_event.data.sequence_start.tag)
|
|
flow_style = None
|
|
if self.parsed_event.data.sequence_start.style == YAML_FLOW_SEQUENCE_STYLE:
|
|
flow_style = True
|
|
elif self.parsed_event.data.sequence_start.style == YAML_BLOCK_SEQUENCE_STYLE:
|
|
flow_style = False
|
|
value = []
|
|
node = SequenceNode(tag, value, start_mark, None, flow_style)
|
|
if anchor is not None:
|
|
self.anchors[anchor] = node
|
|
yaml_event_delete(&self.parsed_event)
|
|
index = 0
|
|
self._parse_next_event()
|
|
while self.parsed_event.type != YAML_SEQUENCE_END_EVENT:
|
|
value.append(self._compose_node(node, index))
|
|
index = index+1
|
|
self._parse_next_event()
|
|
node.end_mark = Mark(self.stream_name,
|
|
self.parsed_event.end_mark.index,
|
|
self.parsed_event.end_mark.line,
|
|
self.parsed_event.end_mark.column,
|
|
None, None)
|
|
yaml_event_delete(&self.parsed_event)
|
|
return node
|
|
|
|
cdef _compose_mapping_node(self, object anchor):
|
|
start_mark = Mark(self.stream_name,
|
|
self.parsed_event.start_mark.index,
|
|
self.parsed_event.start_mark.line,
|
|
self.parsed_event.start_mark.column,
|
|
None, None)
|
|
implicit = False
|
|
if self.parsed_event.data.mapping_start.implicit == 1:
|
|
implicit = True
|
|
if self.parsed_event.data.mapping_start.tag == NULL \
|
|
or (self.parsed_event.data.mapping_start.tag[0] == c'!'
|
|
and self.parsed_event.data.mapping_start.tag[1] == c'\0'):
|
|
tag = self.resolve(MappingNode, None, implicit)
|
|
else:
|
|
tag = PyUnicode_FromString(self.parsed_event.data.mapping_start.tag)
|
|
flow_style = None
|
|
if self.parsed_event.data.mapping_start.style == YAML_FLOW_MAPPING_STYLE:
|
|
flow_style = True
|
|
elif self.parsed_event.data.mapping_start.style == YAML_BLOCK_MAPPING_STYLE:
|
|
flow_style = False
|
|
value = []
|
|
node = MappingNode(tag, value, start_mark, None, flow_style)
|
|
if anchor is not None:
|
|
self.anchors[anchor] = node
|
|
yaml_event_delete(&self.parsed_event)
|
|
self._parse_next_event()
|
|
while self.parsed_event.type != YAML_MAPPING_END_EVENT:
|
|
item_key = self._compose_node(node, None)
|
|
item_value = self._compose_node(node, item_key)
|
|
value.append((item_key, item_value))
|
|
self._parse_next_event()
|
|
node.end_mark = Mark(self.stream_name,
|
|
self.parsed_event.end_mark.index,
|
|
self.parsed_event.end_mark.line,
|
|
self.parsed_event.end_mark.column,
|
|
None, None)
|
|
yaml_event_delete(&self.parsed_event)
|
|
return node
|
|
|
|
cdef int _parse_next_event(self) except 0:
|
|
if self.parsed_event.type == YAML_NO_EVENT:
|
|
if yaml_parser_parse(&self.parser, &self.parsed_event) == 0:
|
|
error = self._parser_error()
|
|
raise error
|
|
return 1
|
|
|
|
cdef int input_handler(void *data, char *buffer, int size, int *read) except 0:
|
|
cdef CParser parser
|
|
parser = <CParser>data
|
|
if parser.stream_cache is None:
|
|
value = parser.stream.read(size)
|
|
if PyUnicode_CheckExact(value) != 0:
|
|
value = PyUnicode_AsUTF8String(value)
|
|
parser.unicode_source = 1
|
|
if PyString_CheckExact(value) == 0:
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("a string value is expected")
|
|
else:
|
|
raise TypeError(u"a string value is expected")
|
|
parser.stream_cache = value
|
|
parser.stream_cache_pos = 0
|
|
parser.stream_cache_len = PyString_GET_SIZE(value)
|
|
if (parser.stream_cache_len - parser.stream_cache_pos) < size:
|
|
size = parser.stream_cache_len - parser.stream_cache_pos
|
|
if size > 0:
|
|
memcpy(buffer, PyString_AS_STRING(parser.stream_cache)
|
|
+ parser.stream_cache_pos, size)
|
|
read[0] = size
|
|
parser.stream_cache_pos += size
|
|
if parser.stream_cache_pos == parser.stream_cache_len:
|
|
parser.stream_cache = None
|
|
return 1
|
|
|
|
cdef class CEmitter:
|
|
|
|
cdef yaml_emitter_t emitter
|
|
|
|
cdef object stream
|
|
|
|
cdef int document_start_implicit
|
|
cdef int document_end_implicit
|
|
cdef object use_version
|
|
cdef object use_tags
|
|
|
|
cdef object serialized_nodes
|
|
cdef object anchors
|
|
cdef int last_alias_id
|
|
cdef int closed
|
|
cdef int dump_unicode
|
|
cdef object use_encoding
|
|
|
|
def __init__(self, stream, canonical=None, indent=None, width=None,
|
|
allow_unicode=None, line_break=None, encoding=None,
|
|
explicit_start=None, explicit_end=None, version=None, tags=None):
|
|
if yaml_emitter_initialize(&self.emitter) == 0:
|
|
raise MemoryError
|
|
self.stream = stream
|
|
self.dump_unicode = 0
|
|
if PY_MAJOR_VERSION < 3:
|
|
if getattr3(stream, 'encoding', None):
|
|
self.dump_unicode = 1
|
|
else:
|
|
if hasattr(stream, u'encoding'):
|
|
self.dump_unicode = 1
|
|
self.use_encoding = encoding
|
|
yaml_emitter_set_output(&self.emitter, output_handler, <void *>self)
|
|
if canonical:
|
|
yaml_emitter_set_canonical(&self.emitter, 1)
|
|
if indent is not None:
|
|
yaml_emitter_set_indent(&self.emitter, indent)
|
|
if width is not None:
|
|
yaml_emitter_set_width(&self.emitter, width)
|
|
if allow_unicode:
|
|
yaml_emitter_set_unicode(&self.emitter, 1)
|
|
if line_break is not None:
|
|
if line_break == '\r':
|
|
yaml_emitter_set_break(&self.emitter, YAML_CR_BREAK)
|
|
elif line_break == '\n':
|
|
yaml_emitter_set_break(&self.emitter, YAML_LN_BREAK)
|
|
elif line_break == '\r\n':
|
|
yaml_emitter_set_break(&self.emitter, YAML_CRLN_BREAK)
|
|
self.document_start_implicit = 1
|
|
if explicit_start:
|
|
self.document_start_implicit = 0
|
|
self.document_end_implicit = 1
|
|
if explicit_end:
|
|
self.document_end_implicit = 0
|
|
self.use_version = version
|
|
self.use_tags = tags
|
|
self.serialized_nodes = {}
|
|
self.anchors = {}
|
|
self.last_alias_id = 0
|
|
self.closed = -1
|
|
|
|
def __dealloc__(self):
|
|
yaml_emitter_delete(&self.emitter)
|
|
|
|
def dispose(self):
|
|
pass
|
|
|
|
cdef object _emitter_error(self):
|
|
if self.emitter.error == YAML_MEMORY_ERROR:
|
|
return MemoryError
|
|
elif self.emitter.error == YAML_EMITTER_ERROR:
|
|
if PY_MAJOR_VERSION < 3:
|
|
problem = self.emitter.problem
|
|
else:
|
|
problem = PyUnicode_FromString(self.emitter.problem)
|
|
return EmitterError(problem)
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise ValueError("no emitter error")
|
|
else:
|
|
raise ValueError(u"no emitter error")
|
|
|
|
cdef int _object_to_event(self, object event_object, yaml_event_t *event) except 0:
|
|
cdef yaml_encoding_t encoding
|
|
cdef yaml_version_directive_t version_directive_value
|
|
cdef yaml_version_directive_t *version_directive
|
|
cdef yaml_tag_directive_t tag_directives_value[128]
|
|
cdef yaml_tag_directive_t *tag_directives_start
|
|
cdef yaml_tag_directive_t *tag_directives_end
|
|
cdef int implicit
|
|
cdef int plain_implicit
|
|
cdef int quoted_implicit
|
|
cdef char *anchor
|
|
cdef char *tag
|
|
cdef char *value
|
|
cdef int length
|
|
cdef yaml_scalar_style_t scalar_style
|
|
cdef yaml_sequence_style_t sequence_style
|
|
cdef yaml_mapping_style_t mapping_style
|
|
event_class = event_object.__class__
|
|
if event_class is StreamStartEvent:
|
|
encoding = YAML_UTF8_ENCODING
|
|
if event_object.encoding == u'utf-16-le' or event_object.encoding == 'utf-16-le':
|
|
encoding = YAML_UTF16LE_ENCODING
|
|
elif event_object.encoding == u'utf-16-be' or event_object.encoding == 'utf-16-be':
|
|
encoding = YAML_UTF16BE_ENCODING
|
|
if event_object.encoding is None:
|
|
self.dump_unicode = 1
|
|
if self.dump_unicode == 1:
|
|
encoding = YAML_UTF8_ENCODING
|
|
yaml_stream_start_event_initialize(event, encoding)
|
|
elif event_class is StreamEndEvent:
|
|
yaml_stream_end_event_initialize(event)
|
|
elif event_class is DocumentStartEvent:
|
|
version_directive = NULL
|
|
if event_object.version:
|
|
version_directive_value.major = event_object.version[0]
|
|
version_directive_value.minor = event_object.version[1]
|
|
version_directive = &version_directive_value
|
|
tag_directives_start = NULL
|
|
tag_directives_end = NULL
|
|
if event_object.tags:
|
|
if len(event_object.tags) > 128:
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise ValueError("too many tags")
|
|
else:
|
|
raise ValueError(u"too many tags")
|
|
tag_directives_start = tag_directives_value
|
|
tag_directives_end = tag_directives_value
|
|
cache = []
|
|
for handle in event_object.tags:
|
|
prefix = event_object.tags[handle]
|
|
if PyUnicode_CheckExact(handle):
|
|
handle = PyUnicode_AsUTF8String(handle)
|
|
cache.append(handle)
|
|
if not PyString_CheckExact(handle):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("tag handle must be a string")
|
|
else:
|
|
raise TypeError(u"tag handle must be a string")
|
|
tag_directives_end.handle = PyString_AS_STRING(handle)
|
|
if PyUnicode_CheckExact(prefix):
|
|
prefix = PyUnicode_AsUTF8String(prefix)
|
|
cache.append(prefix)
|
|
if not PyString_CheckExact(prefix):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("tag prefix must be a string")
|
|
else:
|
|
raise TypeError(u"tag prefix must be a string")
|
|
tag_directives_end.prefix = PyString_AS_STRING(prefix)
|
|
tag_directives_end = tag_directives_end+1
|
|
implicit = 1
|
|
if event_object.explicit:
|
|
implicit = 0
|
|
if yaml_document_start_event_initialize(event, version_directive,
|
|
tag_directives_start, tag_directives_end, implicit) == 0:
|
|
raise MemoryError
|
|
elif event_class is DocumentEndEvent:
|
|
implicit = 1
|
|
if event_object.explicit:
|
|
implicit = 0
|
|
yaml_document_end_event_initialize(event, implicit)
|
|
elif event_class is AliasEvent:
|
|
anchor = NULL
|
|
anchor_object = event_object.anchor
|
|
if PyUnicode_CheckExact(anchor_object):
|
|
anchor_object = PyUnicode_AsUTF8String(anchor_object)
|
|
if not PyString_CheckExact(anchor_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("anchor must be a string")
|
|
else:
|
|
raise TypeError(u"anchor must be a string")
|
|
anchor = PyString_AS_STRING(anchor_object)
|
|
if yaml_alias_event_initialize(event, anchor) == 0:
|
|
raise MemoryError
|
|
elif event_class is ScalarEvent:
|
|
anchor = NULL
|
|
anchor_object = event_object.anchor
|
|
if anchor_object is not None:
|
|
if PyUnicode_CheckExact(anchor_object):
|
|
anchor_object = PyUnicode_AsUTF8String(anchor_object)
|
|
if not PyString_CheckExact(anchor_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("anchor must be a string")
|
|
else:
|
|
raise TypeError(u"anchor must be a string")
|
|
anchor = PyString_AS_STRING(anchor_object)
|
|
tag = NULL
|
|
tag_object = event_object.tag
|
|
if tag_object is not None:
|
|
if PyUnicode_CheckExact(tag_object):
|
|
tag_object = PyUnicode_AsUTF8String(tag_object)
|
|
if not PyString_CheckExact(tag_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("tag must be a string")
|
|
else:
|
|
raise TypeError(u"tag must be a string")
|
|
tag = PyString_AS_STRING(tag_object)
|
|
value_object = event_object.value
|
|
if PyUnicode_CheckExact(value_object):
|
|
value_object = PyUnicode_AsUTF8String(value_object)
|
|
if not PyString_CheckExact(value_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("value must be a string")
|
|
else:
|
|
raise TypeError(u"value must be a string")
|
|
value = PyString_AS_STRING(value_object)
|
|
length = PyString_GET_SIZE(value_object)
|
|
plain_implicit = 0
|
|
quoted_implicit = 0
|
|
if event_object.implicit is not None:
|
|
plain_implicit = event_object.implicit[0]
|
|
quoted_implicit = event_object.implicit[1]
|
|
style_object = event_object.style
|
|
scalar_style = YAML_PLAIN_SCALAR_STYLE
|
|
if style_object == "'" or style_object == u"'":
|
|
scalar_style = YAML_SINGLE_QUOTED_SCALAR_STYLE
|
|
elif style_object == "\"" or style_object == u"\"":
|
|
scalar_style = YAML_DOUBLE_QUOTED_SCALAR_STYLE
|
|
elif style_object == "|" or style_object == u"|":
|
|
scalar_style = YAML_LITERAL_SCALAR_STYLE
|
|
elif style_object == ">" or style_object == u">":
|
|
scalar_style = YAML_FOLDED_SCALAR_STYLE
|
|
if yaml_scalar_event_initialize(event, anchor, tag, value, length,
|
|
plain_implicit, quoted_implicit, scalar_style) == 0:
|
|
raise MemoryError
|
|
elif event_class is SequenceStartEvent:
|
|
anchor = NULL
|
|
anchor_object = event_object.anchor
|
|
if anchor_object is not None:
|
|
if PyUnicode_CheckExact(anchor_object):
|
|
anchor_object = PyUnicode_AsUTF8String(anchor_object)
|
|
if not PyString_CheckExact(anchor_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("anchor must be a string")
|
|
else:
|
|
raise TypeError(u"anchor must be a string")
|
|
anchor = PyString_AS_STRING(anchor_object)
|
|
tag = NULL
|
|
tag_object = event_object.tag
|
|
if tag_object is not None:
|
|
if PyUnicode_CheckExact(tag_object):
|
|
tag_object = PyUnicode_AsUTF8String(tag_object)
|
|
if not PyString_CheckExact(tag_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("tag must be a string")
|
|
else:
|
|
raise TypeError(u"tag must be a string")
|
|
tag = PyString_AS_STRING(tag_object)
|
|
implicit = 0
|
|
if event_object.implicit:
|
|
implicit = 1
|
|
sequence_style = YAML_BLOCK_SEQUENCE_STYLE
|
|
if event_object.flow_style:
|
|
sequence_style = YAML_FLOW_SEQUENCE_STYLE
|
|
if yaml_sequence_start_event_initialize(event, anchor, tag,
|
|
implicit, sequence_style) == 0:
|
|
raise MemoryError
|
|
elif event_class is MappingStartEvent:
|
|
anchor = NULL
|
|
anchor_object = event_object.anchor
|
|
if anchor_object is not None:
|
|
if PyUnicode_CheckExact(anchor_object):
|
|
anchor_object = PyUnicode_AsUTF8String(anchor_object)
|
|
if not PyString_CheckExact(anchor_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("anchor must be a string")
|
|
else:
|
|
raise TypeError(u"anchor must be a string")
|
|
anchor = PyString_AS_STRING(anchor_object)
|
|
tag = NULL
|
|
tag_object = event_object.tag
|
|
if tag_object is not None:
|
|
if PyUnicode_CheckExact(tag_object):
|
|
tag_object = PyUnicode_AsUTF8String(tag_object)
|
|
if not PyString_CheckExact(tag_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("tag must be a string")
|
|
else:
|
|
raise TypeError(u"tag must be a string")
|
|
tag = PyString_AS_STRING(tag_object)
|
|
implicit = 0
|
|
if event_object.implicit:
|
|
implicit = 1
|
|
mapping_style = YAML_BLOCK_MAPPING_STYLE
|
|
if event_object.flow_style:
|
|
mapping_style = YAML_FLOW_MAPPING_STYLE
|
|
if yaml_mapping_start_event_initialize(event, anchor, tag,
|
|
implicit, mapping_style) == 0:
|
|
raise MemoryError
|
|
elif event_class is SequenceEndEvent:
|
|
yaml_sequence_end_event_initialize(event)
|
|
elif event_class is MappingEndEvent:
|
|
yaml_mapping_end_event_initialize(event)
|
|
else:
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("invalid event %s" % event_object)
|
|
else:
|
|
raise TypeError(u"invalid event %s" % event_object)
|
|
return 1
|
|
|
|
def emit(self, event_object):
|
|
cdef yaml_event_t event
|
|
self._object_to_event(event_object, &event)
|
|
if yaml_emitter_emit(&self.emitter, &event) == 0:
|
|
error = self._emitter_error()
|
|
raise error
|
|
|
|
def open(self):
|
|
cdef yaml_event_t event
|
|
cdef yaml_encoding_t encoding
|
|
if self.closed == -1:
|
|
if self.use_encoding == u'utf-16-le' or self.use_encoding == 'utf-16-le':
|
|
encoding = YAML_UTF16LE_ENCODING
|
|
elif self.use_encoding == u'utf-16-be' or self.use_encoding == 'utf-16-be':
|
|
encoding = YAML_UTF16BE_ENCODING
|
|
else:
|
|
encoding = YAML_UTF8_ENCODING
|
|
if self.use_encoding is None:
|
|
self.dump_unicode = 1
|
|
if self.dump_unicode == 1:
|
|
encoding = YAML_UTF8_ENCODING
|
|
yaml_stream_start_event_initialize(&event, encoding)
|
|
if yaml_emitter_emit(&self.emitter, &event) == 0:
|
|
error = self._emitter_error()
|
|
raise error
|
|
self.closed = 0
|
|
elif self.closed == 1:
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise SerializerError("serializer is closed")
|
|
else:
|
|
raise SerializerError(u"serializer is closed")
|
|
else:
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise SerializerError("serializer is already opened")
|
|
else:
|
|
raise SerializerError(u"serializer is already opened")
|
|
|
|
def close(self):
|
|
cdef yaml_event_t event
|
|
if self.closed == -1:
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise SerializerError("serializer is not opened")
|
|
else:
|
|
raise SerializerError(u"serializer is not opened")
|
|
elif self.closed == 0:
|
|
yaml_stream_end_event_initialize(&event)
|
|
if yaml_emitter_emit(&self.emitter, &event) == 0:
|
|
error = self._emitter_error()
|
|
raise error
|
|
self.closed = 1
|
|
|
|
def serialize(self, node):
|
|
cdef yaml_event_t event
|
|
cdef yaml_version_directive_t version_directive_value
|
|
cdef yaml_version_directive_t *version_directive
|
|
cdef yaml_tag_directive_t tag_directives_value[128]
|
|
cdef yaml_tag_directive_t *tag_directives_start
|
|
cdef yaml_tag_directive_t *tag_directives_end
|
|
if self.closed == -1:
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise SerializerError("serializer is not opened")
|
|
else:
|
|
raise SerializerError(u"serializer is not opened")
|
|
elif self.closed == 1:
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise SerializerError("serializer is closed")
|
|
else:
|
|
raise SerializerError(u"serializer is closed")
|
|
cache = []
|
|
version_directive = NULL
|
|
if self.use_version:
|
|
version_directive_value.major = self.use_version[0]
|
|
version_directive_value.minor = self.use_version[1]
|
|
version_directive = &version_directive_value
|
|
tag_directives_start = NULL
|
|
tag_directives_end = NULL
|
|
if self.use_tags:
|
|
if len(self.use_tags) > 128:
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise ValueError("too many tags")
|
|
else:
|
|
raise ValueError(u"too many tags")
|
|
tag_directives_start = tag_directives_value
|
|
tag_directives_end = tag_directives_value
|
|
for handle in self.use_tags:
|
|
prefix = self.use_tags[handle]
|
|
if PyUnicode_CheckExact(handle):
|
|
handle = PyUnicode_AsUTF8String(handle)
|
|
cache.append(handle)
|
|
if not PyString_CheckExact(handle):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("tag handle must be a string")
|
|
else:
|
|
raise TypeError(u"tag handle must be a string")
|
|
tag_directives_end.handle = PyString_AS_STRING(handle)
|
|
if PyUnicode_CheckExact(prefix):
|
|
prefix = PyUnicode_AsUTF8String(prefix)
|
|
cache.append(prefix)
|
|
if not PyString_CheckExact(prefix):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("tag prefix must be a string")
|
|
else:
|
|
raise TypeError(u"tag prefix must be a string")
|
|
tag_directives_end.prefix = PyString_AS_STRING(prefix)
|
|
tag_directives_end = tag_directives_end+1
|
|
if yaml_document_start_event_initialize(&event, version_directive,
|
|
tag_directives_start, tag_directives_end,
|
|
self.document_start_implicit) == 0:
|
|
raise MemoryError
|
|
if yaml_emitter_emit(&self.emitter, &event) == 0:
|
|
error = self._emitter_error()
|
|
raise error
|
|
self._anchor_node(node)
|
|
self._serialize_node(node, None, None)
|
|
yaml_document_end_event_initialize(&event, self.document_end_implicit)
|
|
if yaml_emitter_emit(&self.emitter, &event) == 0:
|
|
error = self._emitter_error()
|
|
raise error
|
|
self.serialized_nodes = {}
|
|
self.anchors = {}
|
|
self.last_alias_id = 0
|
|
|
|
cdef int _anchor_node(self, object node) except 0:
|
|
if node in self.anchors:
|
|
if self.anchors[node] is None:
|
|
self.last_alias_id = self.last_alias_id+1
|
|
self.anchors[node] = u"id%03d" % self.last_alias_id
|
|
else:
|
|
self.anchors[node] = None
|
|
node_class = node.__class__
|
|
if node_class is SequenceNode:
|
|
for item in node.value:
|
|
self._anchor_node(item)
|
|
elif node_class is MappingNode:
|
|
for key, value in node.value:
|
|
self._anchor_node(key)
|
|
self._anchor_node(value)
|
|
return 1
|
|
|
|
cdef int _serialize_node(self, object node, object parent, object index) except 0:
|
|
cdef yaml_event_t event
|
|
cdef int implicit
|
|
cdef int plain_implicit
|
|
cdef int quoted_implicit
|
|
cdef char *anchor
|
|
cdef char *tag
|
|
cdef char *value
|
|
cdef int length
|
|
cdef int item_index
|
|
cdef yaml_scalar_style_t scalar_style
|
|
cdef yaml_sequence_style_t sequence_style
|
|
cdef yaml_mapping_style_t mapping_style
|
|
anchor_object = self.anchors[node]
|
|
anchor = NULL
|
|
if anchor_object is not None:
|
|
if PyUnicode_CheckExact(anchor_object):
|
|
anchor_object = PyUnicode_AsUTF8String(anchor_object)
|
|
if not PyString_CheckExact(anchor_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("anchor must be a string")
|
|
else:
|
|
raise TypeError(u"anchor must be a string")
|
|
anchor = PyString_AS_STRING(anchor_object)
|
|
if node in self.serialized_nodes:
|
|
if yaml_alias_event_initialize(&event, anchor) == 0:
|
|
raise MemoryError
|
|
if yaml_emitter_emit(&self.emitter, &event) == 0:
|
|
error = self._emitter_error()
|
|
raise error
|
|
else:
|
|
node_class = node.__class__
|
|
self.serialized_nodes[node] = True
|
|
self.descend_resolver(parent, index)
|
|
if node_class is ScalarNode:
|
|
plain_implicit = 0
|
|
quoted_implicit = 0
|
|
tag_object = node.tag
|
|
if self.resolve(ScalarNode, node.value, (True, False)) == tag_object:
|
|
plain_implicit = 1
|
|
if self.resolve(ScalarNode, node.value, (False, True)) == tag_object:
|
|
quoted_implicit = 1
|
|
tag = NULL
|
|
if tag_object is not None:
|
|
if PyUnicode_CheckExact(tag_object):
|
|
tag_object = PyUnicode_AsUTF8String(tag_object)
|
|
if not PyString_CheckExact(tag_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("tag must be a string")
|
|
else:
|
|
raise TypeError(u"tag must be a string")
|
|
tag = PyString_AS_STRING(tag_object)
|
|
value_object = node.value
|
|
if PyUnicode_CheckExact(value_object):
|
|
value_object = PyUnicode_AsUTF8String(value_object)
|
|
if not PyString_CheckExact(value_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("value must be a string")
|
|
else:
|
|
raise TypeError(u"value must be a string")
|
|
value = PyString_AS_STRING(value_object)
|
|
length = PyString_GET_SIZE(value_object)
|
|
style_object = node.style
|
|
scalar_style = YAML_PLAIN_SCALAR_STYLE
|
|
if style_object == "'" or style_object == u"'":
|
|
scalar_style = YAML_SINGLE_QUOTED_SCALAR_STYLE
|
|
elif style_object == "\"" or style_object == u"\"":
|
|
scalar_style = YAML_DOUBLE_QUOTED_SCALAR_STYLE
|
|
elif style_object == "|" or style_object == u"|":
|
|
scalar_style = YAML_LITERAL_SCALAR_STYLE
|
|
elif style_object == ">" or style_object == u">":
|
|
scalar_style = YAML_FOLDED_SCALAR_STYLE
|
|
if yaml_scalar_event_initialize(&event, anchor, tag, value, length,
|
|
plain_implicit, quoted_implicit, scalar_style) == 0:
|
|
raise MemoryError
|
|
if yaml_emitter_emit(&self.emitter, &event) == 0:
|
|
error = self._emitter_error()
|
|
raise error
|
|
elif node_class is SequenceNode:
|
|
implicit = 0
|
|
tag_object = node.tag
|
|
if self.resolve(SequenceNode, node.value, True) == tag_object:
|
|
implicit = 1
|
|
tag = NULL
|
|
if tag_object is not None:
|
|
if PyUnicode_CheckExact(tag_object):
|
|
tag_object = PyUnicode_AsUTF8String(tag_object)
|
|
if not PyString_CheckExact(tag_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("tag must be a string")
|
|
else:
|
|
raise TypeError(u"tag must be a string")
|
|
tag = PyString_AS_STRING(tag_object)
|
|
sequence_style = YAML_BLOCK_SEQUENCE_STYLE
|
|
if node.flow_style:
|
|
sequence_style = YAML_FLOW_SEQUENCE_STYLE
|
|
if yaml_sequence_start_event_initialize(&event, anchor, tag,
|
|
implicit, sequence_style) == 0:
|
|
raise MemoryError
|
|
if yaml_emitter_emit(&self.emitter, &event) == 0:
|
|
error = self._emitter_error()
|
|
raise error
|
|
item_index = 0
|
|
for item in node.value:
|
|
self._serialize_node(item, node, item_index)
|
|
item_index = item_index+1
|
|
yaml_sequence_end_event_initialize(&event)
|
|
if yaml_emitter_emit(&self.emitter, &event) == 0:
|
|
error = self._emitter_error()
|
|
raise error
|
|
elif node_class is MappingNode:
|
|
implicit = 0
|
|
tag_object = node.tag
|
|
if self.resolve(MappingNode, node.value, True) == tag_object:
|
|
implicit = 1
|
|
tag = NULL
|
|
if tag_object is not None:
|
|
if PyUnicode_CheckExact(tag_object):
|
|
tag_object = PyUnicode_AsUTF8String(tag_object)
|
|
if not PyString_CheckExact(tag_object):
|
|
if PY_MAJOR_VERSION < 3:
|
|
raise TypeError("tag must be a string")
|
|
else:
|
|
raise TypeError(u"tag must be a string")
|
|
tag = PyString_AS_STRING(tag_object)
|
|
mapping_style = YAML_BLOCK_MAPPING_STYLE
|
|
if node.flow_style:
|
|
mapping_style = YAML_FLOW_MAPPING_STYLE
|
|
if yaml_mapping_start_event_initialize(&event, anchor, tag,
|
|
implicit, mapping_style) == 0:
|
|
raise MemoryError
|
|
if yaml_emitter_emit(&self.emitter, &event) == 0:
|
|
error = self._emitter_error()
|
|
raise error
|
|
for item_key, item_value in node.value:
|
|
self._serialize_node(item_key, node, None)
|
|
self._serialize_node(item_value, node, item_key)
|
|
yaml_mapping_end_event_initialize(&event)
|
|
if yaml_emitter_emit(&self.emitter, &event) == 0:
|
|
error = self._emitter_error()
|
|
raise error
|
|
self.ascend_resolver()
|
|
return 1
|
|
|
|
cdef int output_handler(void *data, char *buffer, int size) except 0:
|
|
cdef CEmitter emitter
|
|
emitter = <CEmitter>data
|
|
if emitter.dump_unicode == 0:
|
|
value = PyString_FromStringAndSize(buffer, size)
|
|
else:
|
|
value = PyUnicode_DecodeUTF8(buffer, size, 'strict')
|
|
emitter.stream.write(value)
|
|
return 1
|
|
|