class Edition(mg.Grammar):
'''Parse an edition comment.'''
grammar = (mg.OPTIONAL(WhiteSpace),
mg.OR(Digit, TwoDigit),
mg.OR(mg.L('nd'), mg.L('rd'), mg.L('st'), mg.L('th')),
mg.OPTIONAL(mg.OR(mg.L('facsimile'), mg.L('revised'))), mg.L('edition'),
mg.L(';'))
def grammar_elem_init(self, sessiondata):
'''initialize the element.'''
self.edition_num = self[1].string
class UnorderedListItem(modgrammar.Grammar):
"""Defines the grammar for an unordered list item."""
grammar = (modgrammar.BOL,
modgrammar.OR(modgrammar.L("* "), modgrammar.L("- "),
modgrammar.L("+ ")),
modgrammar.REPEAT(modgrammar.OR(Bold, Italic, InlineCode, Link,
AutomaticLink, SimpleText),
collapse=True))
def grammar_elem_init(self, sessiondata):
"""Saves the text for later use."""
self.tag = "li"
class MetaCharacter(modgrammar.Grammar):
grammar_whitespace_mode = 'explicit'
grammar = (modgrammar.OR(modgrammar.L(';'), modgrammar.L('='), modgrammar.L('|'), modgrammar.L('*'),
modgrammar.L('+'), modgrammar.L('<'), modgrammar.L('>'), modgrammar.L('('),
modgrammar.L(')'), modgrammar.L('['), modgrammar.L(']'), modgrammar.L('{'),
modgrammar.L('}'), modgrammar.L('/*'), modgrammar.L('*/'), modgrammar.L('//'),
modgrammar.L(" "), modgrammar.L('"')))
class Text(modgrammar.Grammar):
"""Defines the grammar for normal text."""
grammar = (modgrammar.REPEAT(modgrammar.BOL,
modgrammar.REPEAT(modgrammar.OR(
Bold, Italic, InlineCode, Link,
AutomaticLink, SimpleText),
collapse=True),
modgrammar.EOL,
collapse=True))
def grammar_elem_init(self, sessiondata):
"""Appends a space to each SimpleText that is followed by an EOL character."""
highest_index = len(self.elements) - 1
current_index = -1
add_space_at_start = False
for elem in self.elements:
current_index += 1
_length = len(elem.elements)
_eol_index = _length - 1
_first_content_index = 1
_last_content_index = _eol_index - 1
if add_space_at_start and elem[
_first_content_index].grammar_name == "SimpleText":
elem[_first_content_index].text = " " + elem[
_first_content_index].text
add_space_at_start = False
if current_index < highest_index:
if elem[_last_content_index].grammar_name == "SimpleText":
text = elem[_last_content_index].text.rstrip()
elem[_last_content_index].text = text + " "
else:
add_space_at_start = True
class Time(mg.Grammar):
grammar_whitespace_mode = 'explicit'
unit_lookup = {
's': 'sec',
'sec': 'sec',
'm': 'min',
'min': 'min',
'h': 'hour',
'hour': 'hour',
}
grammar = (
mg.OPTIONAL(QUANTITY_RANGE_APPROX_FLAG),
PosNumber,
mg.OPTIONAL(mg.GRAMMAR(
QUANTITY_RANGE_SEPARATOR,
PosNumber,
), ),
mg.OPTIONAL(QUANTITY_RANGE_APPROX_FLAG),
mg.WHITESPACE,
mg.OR(*unit_lookup.keys()),
)
def value(self):
return {
'less_ok': True if self[0] else False,
'base': self[1].value().numerator,
'base_den': self[1].value().denominator,
'range': self[2][1].value().numerator if self[2] else 0,
'range_den': self[2][1].value().denominator if self[2] else 1,
'units': self.unit_lookup[self[5].string],
}
class QuoteLine(modgrammar.Grammar):
"""Defines the grammar for a single line quote."""
grammar = (modgrammar.BOL, modgrammar.L(">"),
modgrammar.REPEAT(modgrammar.OR(Bold, Italic, InlineCode, Link,
AutomaticLink, SimpleText),
collapse=True), modgrammar.EOL)
grammar_collapse = False
class PosDecimal(mg.Grammar):
grammar_whitespace_mode = 'explicit'
grammar = mg.OR(
(NonNegInteger, DECIMAL_SEPARATOR, PosInteger),
(PosInteger, DECIMAL_SEPARATOR, NonNegInteger),
)
def value(self):
return fractions.Fraction(self.string)
class PosMixedNum(mg.Grammar):
grammar_whitespace_mode = 'explicit'
grammar = mg.OR(
(PosInteger, MIXED_NUM_SEPARATOR, NonNegFraction),
(NonNegInteger, MIXED_NUM_SEPARATOR, PosFraction),
)
def value(self):
return self[0][0].value() + self[0][2].value()
class MarkdownGrammar(modgrammar.Grammar):
"""Provides the grammar for Markdown."""
grammar = (modgrammar.REPEAT(modgrammar.OR(Heading, UnorderedList,
OrderedList, Quote, Paragraph,
EmptyLine, PreBlock),
collapse=True))
def grammar_elem_init(self, sessiondata):
"""Saves the text for later use."""
self.content = self[0].string
class VariantSlotFilter(mg.Grammar):
grammar = (
VARIANT_SLOT_SIGIL,
mg.OR(
SlotFilterAllowAll,
SlotFilterBlockAll,
SlotFilterCustom,
),
)
def value(self):
return self[1].value()
class SlotIndices(mg.Grammar):
grammar = mg.LIST_OF(mg.OR(SlotIndex, SlotIndexRange),
sep=SEQUENCE_ITEM_SEPARATOR,
min=1)
def value(self):
return frozenset(self.yield_value())
def yield_value(self):
yield from itertools.chain.from_iterable(
s.yield_value() for s in self[0]
if s.string != SEQUENCE_ITEM_SEPARATOR)
class Word2(mg.Grammar):
'''unicode word or abbreviation'''
grammar = (mg.OR(Word, Abrv))
class Comment(mg.Grammar):
'''Parse a comment string.'''
grammar = (mg.OR(Edition, Compilers, Contributors,
Reference, Reprint,
Editors, Translation, Publishers,
Language, Other))
class Reprint(mg.Grammar):
'''Parse a reprint comment.'''
grammar = (mg.OPTIONAL(WhiteSpace),
mg.L('reprint of'), mg.OR(AJBNum, Year),
mg.L(';'))
class PosNumber(mg.Grammar):
grammar = mg.OR(PosMixedNum, PosFraction, PosDecimal, PosInteger)
def value(self):
return self[0].value()
class NonNegNumber(mg.Grammar):
grammar = mg.OR(NonNegMixedNum, NonNegFraction, NonNegDecimal,
NonNegInteger)
def value(self):
return self[0].value()
