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from ... import documents, document_matchers
from .tokeniser import TokenType
from .token_parser import try_parse_class_name, parse_string
def parse_document_matcher(tokens):
if tokens.try_skip(TokenType.IDENTIFIER, "p"):
style_id = try_parse_class_name(tokens)
style_name = _parse_style_name(tokens)
numbering = _parse_numbering(tokens)
return document_matchers.paragraph(
style_id=style_id,
style_name=style_name,
numbering=numbering,
)
elif tokens.try_skip(TokenType.IDENTIFIER, "r"):
style_id = try_parse_class_name(tokens)
style_name = _parse_style_name(tokens)
return document_matchers.run(
style_id=style_id,
style_name=style_name,
)
elif tokens.try_skip(TokenType.IDENTIFIER, "b"):
return document_matchers.bold
elif tokens.try_skip(TokenType.IDENTIFIER, "i"):
return document_matchers.italic
elif tokens.try_skip(TokenType.IDENTIFIER, "u"):
return document_matchers.underline
elif tokens.try_skip(TokenType.IDENTIFIER, "strike"):
return document_matchers.strikethrough
elif tokens.try_skip(TokenType.IDENTIFIER, "comment-reference"):
return document_matchers.comment_reference
def _parse_style_name(tokens):
if tokens.try_skip(TokenType.SYMBOL, "["):
tokens.skip(TokenType.IDENTIFIER, "style-name")
tokens.skip(TokenType.SYMBOL, "=")
name = parse_string(tokens)
tokens.skip(TokenType.SYMBOL, "]")
return name
else:
return None
def _parse_numbering(tokens):
if tokens.try_skip(TokenType.SYMBOL, ":"):
is_ordered = _parse_list_type(tokens)
tokens.skip(TokenType.SYMBOL, "(")
level = int(tokens.next_value(TokenType.INTEGER)) - 1
tokens.skip(TokenType.SYMBOL, ")")
return documents.numbering_level(level, is_ordered=is_ordered)
def _parse_list_type(tokens):
list_type = tokens.next_value(TokenType.IDENTIFIER)
if list_type == "ordered-list":
return True
elif list_type == "unordered-list":
return False
else:
pass
# TODO: raise
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