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?
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