我们从Python开源项目中，提取了以下20个代码示例，用于说明如何使用docutils.utils.escape2null()。
def hyperlink_target(self, match): pattern = self.explicit.patterns.target lineno = self.state_machine.abs_line_number() block, indent, offset, blank_finish = \ self.state_machine.get_first_known_indented( match.end(), until_blank=True, strip_indent=False) blocktext = match.string[:match.end()] + '\n'.join(block) block = [escape2null(line) for line in block] escaped = block[0] blockindex = 0 while True: targetmatch = pattern.match(escaped) if targetmatch: break blockindex += 1 try: escaped += block[blockindex] except IndexError: raise MarkupError('malformed hyperlink target.') del block[:blockindex] block[0] = (block[0] + ' ')[targetmatch.end()-len(escaped)-1:].strip() target = self.make_target(block, blocktext, lineno, targetmatch.group('name')) return [target], blank_finish
def anonymous_target(self, match): lineno = self.state_machine.abs_line_number() block, indent, offset, blank_finish \ = self.state_machine.get_first_known_indented(match.end(), until_blank=True) blocktext = match.string[:match.end()] + '\n'.join(block) block = [escape2null(line) for line in block] target = self.make_target(block, blocktext, lineno, '') return [target], blank_finish
def uri(argument): """ Return the URI argument with unescaped whitespace removed. (Directive option conversion function.) Raise ``ValueError`` if no argument is found. """ if argument is None: raise ValueError('argument required but none supplied') else: parts = split_escaped_whitespace(escape2null(argument)) uri = ' '.join(''.join(unescape(part).split()) for part in parts) return uri
def parse(self, text, lineno, memo, parent): # Needs to be refactored for nested inline markup. # Add nested_parse() method? """ Return 2 lists: nodes (text and inline elements), and system_messages. Using `self.patterns.initial`, a pattern which matches start-strings (emphasis, strong, interpreted, phrase reference, literal, substitution reference, and inline target) and complete constructs (simple reference, footnote reference), search for a candidate. When one is found, check for validity (e.g., not a quoted '*' character). If valid, search for the corresponding end string if applicable, and check it for validity. If not found or invalid, generate a warning and ignore the start-string. Implicit inline markup (e.g. standalone URIs) is found last. """ self.reporter = memo.reporter self.document = memo.document self.language = memo.language self.parent = parent pattern_search = self.patterns.initial.search dispatch = self.dispatch remaining = escape2null(text) processed = [] unprocessed = [] messages = [] while remaining: match = pattern_search(remaining) if match: groups = match.groupdict() method = dispatch[groups['start'] or groups['backquote'] or groups['refend'] or groups['fnend']] before, inlines, remaining, sysmessages = method(self, match, lineno) unprocessed.append(before) messages += sysmessages if inlines: processed += self.implicit_inline(''.join(unprocessed), lineno) processed += inlines unprocessed = [] else: break remaining = ''.join(unprocessed) + remaining if remaining: processed += self.implicit_inline(remaining, lineno) return processed, messages # Inline object recognition # ------------------------- # print start_string_prefix.encode('utf8') # TODO: support non-ASCII whitespace in the following 4 patterns?
def parse(self, text, lineno, memo, parent): # Needs to be refactored for nested inline markup. # Add nested_parse() method? """ Return 2 lists: nodes (text and inline elements), and system_messages. Using `self.patterns.initial`, a pattern which matches start-strings (emphasis, strong, interpreted, phrase reference, literal, substitution reference, and inline target) and complete constructs (simple reference, footnote reference), search for a candidate. When one is found, check for validity (e.g., not a quoted '*' character). If valid, search for the corresponding end string if applicable, and check it for validity. If not found or invalid, generate a warning and ignore the start-string. Implicit inline markup (e.g. standalone URIs) is found last. """ self.reporter = memo.reporter self.document = memo.document self.language = memo.language self.parent = parent pattern_search = self.patterns.initial.search dispatch = self.dispatch remaining = escape2null(text) processed = [] unprocessed = [] messages = [] while remaining: match = pattern_search(remaining) if match: groups = match.groupdict() method = dispatch[groups['start'] or groups['backquote'] or groups['refend'] or groups['fnend']] before, inlines, remaining, sysmessages = method(self, match, lineno) unprocessed.append(before) messages += sysmessages if inlines: processed += self.implicit_inline(''.join(unprocessed), lineno) processed += inlines unprocessed = [] else: break remaining = ''.join(unprocessed) + remaining if remaining: processed += self.implicit_inline(remaining, lineno) return processed, messages # Inline object recognition # ------------------------- # See also init_customizations().
def parse(self, text, lineno, memo, parent): # Needs to be refactored for nested inline markup. # Add nested_parse() method? """ Return 2 lists: nodes (text and inline elements), and system_messages. Using `self.patterns.initial`, a pattern which matches start-strings (emphasis, strong, interpreted, phrase reference, literal, substitution reference, and inline target) and complete constructs (simple reference, footnote reference), search for a candidate. When one is found, check for validity (e.g., not a quoted '*' character). If valid, search for the corresponding end string if applicable, and check it for validity. If not found or invalid, generate a warning and ignore the start-string. Implicit inline markup (e.g. standalone URIs) is found last. """ self.reporter = memo.reporter self.document = memo.document self.language = memo.language self.parent = parent pattern_search = self.patterns.initial.search dispatch = self.dispatch remaining = escape2null(text) processed = [] unprocessed = [] messages = [] while remaining: match = pattern_search(remaining) if match: groups = match.groupdict() method = dispatch[groups['start'] or groups['backquote'] or groups['refend'] or groups['fnend']] before, inlines, remaining, sysmessages = method(self, match, lineno) unprocessed.append(before) messages += sysmessages if inlines: processed += self.implicit_inline(''.join(unprocessed), lineno) processed += inlines unprocessed = [] else: break remaining = ''.join(unprocessed) + remaining if remaining: processed += self.implicit_inline(remaining, lineno) return processed, messages # Inline object recognition # ------------------------- # lookahead and look-behind expressions for inline markup rules
