diff options
Diffstat (limited to 'yaml/_yaml.pyx')
| -rw-r--r-- | yaml/_yaml.pyx | 1396 |
1 files changed, 1396 insertions, 0 deletions
diff --git a/yaml/_yaml.pyx b/yaml/_yaml.pyx new file mode 100644 index 0000000..e3e93e2 --- /dev/null +++ b/yaml/_yaml.pyx @@ -0,0 +1,1396 @@ + +import yaml + +def get_version_string(): + cdef const char *value + value = yaml_get_version_string() + return PyUnicode_FromString(value) + +def get_version(): + cdef int major, minor, patch + yaml_get_version(&major, &minor, &patch) + return (major, minor, patch) + +#Mark = yaml.error.Mark +YAMLError = yaml.error.YAMLError +ReaderError = yaml.reader.ReaderError +ScannerError = yaml.scanner.ScannerError +ParserError = yaml.parser.ParserError +ComposerError = yaml.composer.ComposerError +ConstructorError = yaml.constructor.ConstructorError +EmitterError = yaml.emitter.EmitterError +SerializerError = yaml.serializer.SerializerError +RepresenterError = yaml.representer.RepresenterError + +StreamStartToken = yaml.tokens.StreamStartToken +StreamEndToken = yaml.tokens.StreamEndToken +DirectiveToken = yaml.tokens.DirectiveToken +DocumentStartToken = yaml.tokens.DocumentStartToken +DocumentEndToken = yaml.tokens.DocumentEndToken +BlockSequenceStartToken = yaml.tokens.BlockSequenceStartToken +BlockMappingStartToken = yaml.tokens.BlockMappingStartToken +BlockEndToken = yaml.tokens.BlockEndToken +FlowSequenceStartToken = yaml.tokens.FlowSequenceStartToken +FlowMappingStartToken = yaml.tokens.FlowMappingStartToken +FlowSequenceEndToken = yaml.tokens.FlowSequenceEndToken +FlowMappingEndToken = yaml.tokens.FlowMappingEndToken +KeyToken = yaml.tokens.KeyToken +ValueToken = yaml.tokens.ValueToken +BlockEntryToken = yaml.tokens.BlockEntryToken +FlowEntryToken = yaml.tokens.FlowEntryToken +AliasToken = yaml.tokens.AliasToken +AnchorToken = yaml.tokens.AnchorToken +TagToken = yaml.tokens.TagToken +ScalarToken = yaml.tokens.ScalarToken + +StreamStartEvent = yaml.events.StreamStartEvent +StreamEndEvent = yaml.events.StreamEndEvent +DocumentStartEvent = yaml.events.DocumentStartEvent +DocumentEndEvent = yaml.events.DocumentEndEvent +AliasEvent = yaml.events.AliasEvent +ScalarEvent = yaml.events.ScalarEvent +SequenceStartEvent = yaml.events.SequenceStartEvent +SequenceEndEvent = yaml.events.SequenceEndEvent +MappingStartEvent = yaml.events.MappingStartEvent +MappingEndEvent = yaml.events.MappingEndEvent + +ScalarNode = yaml.nodes.ScalarNode +SequenceNode = yaml.nodes.SequenceNode +MappingNode = yaml.nodes.MappingNode + +cdef class Mark: + cdef readonly object name + cdef readonly size_t index + cdef readonly size_t line + cdef readonly size_t column + cdef readonly buffer + cdef readonly pointer + + def __init__(self, object name, size_t index, size_t line, size_t column, + object buffer, object pointer): + self.name = name + self.index = index + self.line = line + self.column = column + self.buffer = buffer + self.pointer = pointer + + def get_snippet(self): + return None + + def __str__(self): + where = " in \"%s\", line %d, column %d" \ + % (self.name, self.line+1, self.column+1) + return where + +#class YAMLError(Exception): +# pass +# +#class MarkedYAMLError(YAMLError): +# +# def __init__(self, context=None, context_mark=None, +# problem=None, problem_mark=None, note=None): +# self.context = context +# self.context_mark = context_mark +# self.problem = problem +# self.problem_mark = problem_mark +# self.note = note +# +# def __str__(self): +# lines = [] +# if self.context is not None: +# lines.append(self.context) +# if self.context_mark is not None \ +# and (self.problem is None or self.problem_mark is None +# or self.context_mark.name != self.problem_mark.name +# or self.context_mark.line != self.problem_mark.line +# or self.context_mark.column != self.problem_mark.column): +# lines.append(str(self.context_mark)) +# if self.problem is not None: +# lines.append(self.problem) +# if self.problem_mark is not None: +# lines.append(str(self.problem_mark)) +# if self.note is not None: +# lines.append(self.note) +# return '\n'.join(lines) +# +#class ReaderError(YAMLError): +# +# def __init__(self, name, position, character, encoding, reason): +# self.name = name +# self.character = character +# self.position = position +# self.encoding = encoding +# self.reason = reason +# +# def __str__(self): +# if isinstance(self.character, str): +# return "'%s' codec can't decode byte #x%02x: %s\n" \ +# " in \"%s\", position %d" \ +# % (self.encoding, ord(self.character), self.reason, +# self.name, self.position) +# else: +# return "unacceptable character #x%04x: %s\n" \ +# " in \"%s\", position %d" \ +# % (ord(self.character), self.reason, +# self.name, self.position) +# +#class ScannerError(MarkedYAMLError): +# pass +# +#class ParserError(MarkedYAMLError): +# pass +# +#class EmitterError(YAMLError): +# pass +# +#cdef class Token: +# cdef readonly Mark start_mark +# cdef readonly Mark end_mark +# def __init__(self, Mark start_mark, Mark end_mark): +# self.start_mark = start_mark +# self.end_mark = end_mark +# +#cdef class StreamStartToken(Token): +# cdef readonly object encoding +# def __init__(self, Mark start_mark, Mark end_mark, encoding): +# self.start_mark = start_mark +# self.end_mark = end_mark +# self.encoding = encoding +# +#cdef class StreamEndToken(Token): +# pass +# +#cdef class DirectiveToken(Token): +# cdef readonly object name +# cdef readonly object value +# def __init__(self, name, value, Mark start_mark, Mark end_mark): +# self.name = name +# self.value = value +# self.start_mark = start_mark +# self.end_mark = end_mark +# +#cdef class DocumentStartToken(Token): +# pass +# +#cdef class DocumentEndToken(Token): +# pass +# +#cdef class BlockSequenceStartToken(Token): +# pass +# +#cdef class BlockMappingStartToken(Token): +# pass +# +#cdef class BlockEndToken(Token): +# pass +# +#cdef class FlowSequenceStartToken(Token): +# pass +# +#cdef class FlowMappingStartToken(Token): +# pass +# +#cdef class FlowSequenceEndToken(Token): +# pass +# +#cdef class FlowMappingEndToken(Token): +# pass +# +#cdef class KeyToken(Token): +# pass +# +#cdef class ValueToken(Token): +# pass +# +#cdef class BlockEntryToken(Token): +# pass +# +#cdef class FlowEntryToken(Token): +# pass +# +#cdef class AliasToken(Token): +# cdef readonly object value +# def __init__(self, value, Mark start_mark, Mark end_mark): +# self.value = value +# self.start_mark = start_mark +# self.end_mark = end_mark +# +#cdef class AnchorToken(Token): +# cdef readonly object value +# def __init__(self, value, Mark start_mark, Mark end_mark): +# self.value = value +# self.start_mark = start_mark +# self.end_mark = end_mark +# +#cdef class TagToken(Token): +# cdef readonly object value +# def __init__(self, value, Mark start_mark, Mark end_mark): +# self.value = value +# self.start_mark = start_mark +# self.end_mark = end_mark +# +#cdef class ScalarToken(Token): +# cdef readonly object value +# cdef readonly object plain +# cdef readonly object style +# def __init__(self, value, plain, Mark start_mark, Mark end_mark, style=None): +# self.value = value +# self.plain = plain +# self.start_mark = start_mark +# self.end_mark = end_mark +# self.style = style + +cdef class CParser: + + cdef yaml_parser_t parser + cdef yaml_event_t parsed_event + + cdef object stream + cdef object stream_name + cdef object current_token + cdef object current_event + cdef object anchors + cdef object stream_cache + cdef int stream_cache_len + cdef int stream_cache_pos + cdef int unicode_source + + def __init__(self, stream): + cdef is_readable + if yaml_parser_initialize(&self.parser) == 0: + raise MemoryError + self.parsed_event.type = YAML_NO_EVENT + is_readable = 1 + try: + stream.read + except AttributeError: + is_readable = 0 + self.unicode_source = 0 + if is_readable: + self.stream = stream + try: + self.stream_name = stream.name + except AttributeError: + self.stream_name = u'<file>' + self.stream_cache = None + self.stream_cache_len = 0 + self.stream_cache_pos = 0 + yaml_parser_set_input(&self.parser, input_handler, <void *>self) + else: + if PyUnicode_CheckExact(stream) != 0: + stream = PyUnicode_AsUTF8String(stream) + self.stream_name = u'<unicode string>' + self.unicode_source = 1 + else: + self.stream_name = u'<byte string>' + if PyBytes_CheckExact(stream) == 0: + raise TypeError(u"a string or stream input is required") + self.stream = stream + yaml_parser_set_input_string(&self.parser, PyBytes_AS_Yaml_STRING(stream), PyBytes_GET_SIZE(stream)) + self.current_token = None + self.current_event = None + self.anchors = {} + + def __dealloc__(self): + yaml_parser_delete(&self.parser) + yaml_event_delete(&self.parsed_event) + + def dispose(self): + pass + + cdef object _parser_error(self): + if self.parser.error == YAML_MEMORY_ERROR: + return MemoryError + elif self.parser.error == YAML_READER_ERROR: + return ReaderError(self.stream_name, self.parser.problem_offset, + self.parser.problem_value, u'?', PyUnicode_FromString(self.parser.problem)) + elif self.parser.error == YAML_SCANNER_ERROR \ + or self.parser.error == YAML_PARSER_ERROR: + context_mark = None + problem_mark = None + if self.parser.context != NULL: + context_mark = Mark(self.stream_name, + self.parser.context_mark.index, + self.parser.context_mark.line, + self.parser.context_mark.column, None, None) + if self.parser.problem != NULL: + problem_mark = Mark(self.stream_name, + self.parser.problem_mark.index, + self.parser.problem_mark.line, + self.parser.problem_mark.column, None, None) + context = None + if self.parser.context != NULL: + context = PyUnicode_FromString(self.parser.context) + problem = PyUnicode_FromString(self.parser.problem) + if self.parser.error == YAML_SCANNER_ERROR: + return ScannerError(context, context_mark, problem, problem_mark) + else: + return ParserError(context, context_mark, problem, problem_mark) + raise ValueError(u"no parser error") + + def raw_scan(self): + cdef yaml_token_t token + cdef int done + cdef int count + count = 0 + done = 0 + while done == 0: + if yaml_parser_scan(&self.parser, &token) == 0: + error = self._parser_error() + raise error + if token.type == YAML_NO_TOKEN: + done = 1 + else: + count = count+1 + yaml_token_delete(&token) + return count + + cdef object _scan(self): + cdef yaml_token_t token + if yaml_parser_scan(&self.parser, &token) == 0: + error = self._parser_error() + raise error + token_object = self._token_to_object(&token) + yaml_token_delete(&token) + return token_object + + cdef object _token_to_object(self, yaml_token_t *token): + start_mark = Mark(self.stream_name, + token.start_mark.index, + token.start_mark.line, + token.start_mark.column, + None, None) + end_mark = Mark(self.stream_name, + token.end_mark.index, + token.end_mark.line, + token.end_mark.column, + None, None) + if token.type == YAML_NO_TOKEN: + return None + elif token.type == YAML_STREAM_START_TOKEN: + encoding = None + if token.data.stream_start.encoding == YAML_UTF8_ENCODING: + if self.unicode_source == 0: + encoding = u"utf-8" + elif token.data.stream_start.encoding == YAML_UTF16LE_ENCODING: + encoding = u"utf-16-le" + elif token.data.stream_start.encoding == YAML_UTF16BE_ENCODING: + encoding = u"utf-16-be" + return StreamStartToken(start_mark, end_mark, encoding) + elif token.type == YAML_STREAM_END_TOKEN: + return StreamEndToken(start_mark, end_mark) + elif token.type == YAML_VERSION_DIRECTIVE_TOKEN: + return DirectiveToken(u"YAML", + (token.data.version_directive.major, + token.data.version_directive.minor), + start_mark, end_mark) + elif token.type == YAML_TAG_DIRECTIVE_TOKEN: + handle = PyUnicode_FromYamlString(token.data.tag_directive.handle) + prefix = PyUnicode_FromYamlString(token.data.tag_directive.prefix) + return DirectiveToken(u"TAG", (handle, prefix), + start_mark, end_mark) + elif token.type == YAML_DOCUMENT_START_TOKEN: + return DocumentStartToken(start_mark, end_mark) + elif token.type == YAML_DOCUMENT_END_TOKEN: + return DocumentEndToken(start_mark, end_mark) + elif token.type == YAML_BLOCK_SEQUENCE_START_TOKEN: + return BlockSequenceStartToken(start_mark, end_mark) + elif token.type == YAML_BLOCK_MAPPING_START_TOKEN: + return BlockMappingStartToken(start_mark, end_mark) + elif token.type == YAML_BLOCK_END_TOKEN: + return BlockEndToken(start_mark, end_mark) + elif token.type == YAML_FLOW_SEQUENCE_START_TOKEN: + return FlowSequenceStartToken(start_mark, end_mark) + elif token.type == YAML_FLOW_SEQUENCE_END_TOKEN: + return FlowSequenceEndToken(start_mark, end_mark) + elif token.type == YAML_FLOW_MAPPING_START_TOKEN: + return FlowMappingStartToken(start_mark, end_mark) + elif token.type == YAML_FLOW_MAPPING_END_TOKEN: + return FlowMappingEndToken(start_mark, end_mark) + elif token.type == YAML_BLOCK_ENTRY_TOKEN: + return BlockEntryToken(start_mark, end_mark) + elif token.type == YAML_FLOW_ENTRY_TOKEN: + return FlowEntryToken(start_mark, end_mark) + elif token.type == YAML_KEY_TOKEN: + return KeyToken(start_mark, end_mark) + elif token.type == YAML_VALUE_TOKEN: + return ValueToken(start_mark, end_mark) + elif token.type == YAML_ALIAS_TOKEN: + value = PyUnicode_FromYamlString(token.data.alias.value) + return AliasToken(value, start_mark, end_mark) + elif token.type == YAML_ANCHOR_TOKEN: + value = PyUnicode_FromYamlString(token.data.anchor.value) + return AnchorToken(value, start_mark, end_mark) + elif token.type == YAML_TAG_TOKEN: + handle = PyUnicode_FromYamlString(token.data.tag.handle) + suffix = PyUnicode_FromYamlString(token.data.tag.suffix) + if not handle: + handle = None + return TagToken((handle, suffix), start_mark, end_mark) + elif token.type == YAML_SCALAR_TOKEN: + value = PyUnicode_DecodeUTF8(<char *>token.data.scalar.value, + token.data.scalar.length, 'strict') + plain = False + style = None + if token.data.scalar.style == YAML_PLAIN_SCALAR_STYLE: + plain = True + style = u'' + elif token.data.scalar.style == YAML_SINGLE_QUOTED_SCALAR_STYLE: + style = u'\'' + elif token.data.scalar.style == YAML_DOUBLE_QUOTED_SCALAR_STYLE: + 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, + start_mark, end_mark, style) + else: + raise ValueError(u"unknown token type") + + def get_token(self): + if self.current_token is not None: + value = self.current_token + self.current_token = None + else: + value = self._scan() + 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_FromYamlString(tag_directive.handle) + prefix = PyUnicode_FromYamlString(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_FromYamlString(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_FromYamlString(event.data.scalar.anchor) + tag = None + if event.data.scalar.tag != NULL: + tag = PyUnicode_FromYamlString(event.data.scalar.tag) + value = PyUnicode_DecodeUTF8(<char *>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_FromYamlString(event.data.sequence_start.anchor) + tag = None + if event.data.sequence_start.tag != NULL: + tag = PyUnicode_FromYamlString(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_FromYamlString(event.data.mapping_start.anchor) + tag = None + if event.data.mapping_start.tag != NULL: + tag = PyUnicode_FromYamlString(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: + 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) + 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_FromYamlString(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) + 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_FromYamlString(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_FromYamlString(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_FromYamlString(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) + raise ComposerError(u"found duplicate anchor; first occurrence", + self.anchors[anchor].start_mark, u"second occurrence", 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(<char *>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_FromYamlString(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_FromYamlString(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_FromYamlString(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, unsigned char *buffer, size_t size, size_t *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 PyBytes_CheckExact(value) == 0: + raise TypeError(u"a string value is expected") + parser.stream_cache = value + parser.stream_cache_pos = 0 + parser.stream_cache_len = PyBytes_GET_SIZE(value) + if (parser.stream_cache_len - parser.stream_cache_pos) < <int>size: + size = parser.stream_cache_len - parser.stream_cache_pos + if size > 0: + memcpy(buffer, PyBytes_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 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: + problem = PyUnicode_FromString(self.emitter.problem) + return EmitterError(problem) + 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 yaml_char_t *anchor + cdef yaml_char_t *tag + cdef yaml_char_t *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: + 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 PyBytes_CheckExact(handle): + raise TypeError(u"tag handle must be a string") + tag_directives_end.handle = PyBytes_AS_Yaml_STRING(handle) + if PyUnicode_CheckExact(prefix): + prefix = PyUnicode_AsUTF8String(prefix) + cache.append(prefix) + if not PyBytes_CheckExact(prefix): + raise TypeError(u"tag prefix must be a string") + tag_directives_end.prefix = PyBytes_AS_Yaml_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 PyBytes_CheckExact(anchor_object): + raise TypeError(u"anchor must be a string") + anchor = PyBytes_AS_Yaml_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 PyBytes_CheckExact(anchor_object): + raise TypeError(u"anchor must be a string") + anchor = PyBytes_AS_Yaml_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 PyBytes_CheckExact(tag_object): + raise TypeError(u"tag must be a string") + tag = PyBytes_AS_Yaml_STRING(tag_object) + value_object = event_object.value + if PyUnicode_CheckExact(value_object): + value_object = PyUnicode_AsUTF8String(value_object) + if not PyBytes_CheckExact(value_object): + raise TypeError(u"value must be a string") + value = PyBytes_AS_Yaml_STRING(value_object) + length = PyBytes_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 PyBytes_CheckExact(anchor_object): + raise TypeError(u"anchor must be a string") + anchor = PyBytes_AS_Yaml_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 PyBytes_CheckExact(tag_object): + raise TypeError(u"tag must be a string") + tag = PyBytes_AS_Yaml_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 PyBytes_CheckExact(anchor_object): + raise TypeError(u"anchor must be a string") + anchor = PyBytes_AS_Yaml_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 PyBytes_CheckExact(tag_object): + raise TypeError(u"tag must be a string") + tag = PyBytes_AS_Yaml_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: + 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: + raise SerializerError(u"serializer is closed") + else: + raise SerializerError(u"serializer is already opened") + + def close(self): + cdef yaml_event_t event + if self.closed == -1: + 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: + raise SerializerError(u"serializer is not opened") + elif self.closed == 1: + 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: + 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 PyBytes_CheckExact(handle): + raise TypeError(u"tag handle must be a string") + tag_directives_end.handle = PyBytes_AS_Yaml_STRING(handle) + if PyUnicode_CheckExact(prefix): + prefix = PyUnicode_AsUTF8String(prefix) + cache.append(prefix) + if not PyBytes_CheckExact(prefix): + raise TypeError(u"tag prefix must be a string") + tag_directives_end.prefix = PyBytes_AS_Yaml_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 yaml_char_t *anchor + cdef yaml_char_t *tag + cdef yaml_char_t *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 PyBytes_CheckExact(anchor_object): + raise TypeError(u"anchor must be a string") + anchor = PyBytes_AS_Yaml_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 PyBytes_CheckExact(tag_object): + raise TypeError(u"tag must be a string") + tag = PyBytes_AS_Yaml_STRING(tag_object) + value_object = node.value + if PyUnicode_CheckExact(value_object): + value_object = PyUnicode_AsUTF8String(value_object) + if not PyBytes_CheckExact(value_object): + raise TypeError(u"value must be a string") + value = PyBytes_AS_Yaml_STRING(value_object) + length = PyBytes_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 PyBytes_CheckExact(tag_object): + raise TypeError(u"tag must be a string") + tag = PyBytes_AS_Yaml_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 PyBytes_CheckExact(tag_object): + raise TypeError(u"tag must be a string") + tag = PyBytes_AS_Yaml_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, unsigned char *bufferu, size_t size) except 0: + cdef CEmitter emitter + cdef char *buffer + buffer = <char *>bufferu + emitter = <CEmitter>data + if emitter.dump_unicode == 0: + value = PyBytes_FromStringAndSize(buffer, size) + else: + value = PyUnicode_DecodeUTF8(buffer, size, 'strict') + emitter.stream.write(value) + return 1 + |