449 lines
13 KiB
Python
449 lines
13 KiB
Python
|
from fontTools.voltLib.error import VoltLibError
|
||
|
|
from typing import NamedTuple
|
||
|
|
|
||
|
|
|
||
|
|
class Pos(NamedTuple):
|
||
|
|
adv: int
|
||
|
|
dx: int
|
||
|
|
dy: int
|
||
|
|
adv_adjust_by: dict
|
||
|
|
dx_adjust_by: dict
|
||
|
|
dy_adjust_by: dict
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
res = " POS"
|
||
|
|
for attr in ("adv", "dx", "dy"):
|
||
|
|
value = getattr(self, attr)
|
||
|
|
if value is not None:
|
||
|
|
res += f" {attr.upper()} {value}"
|
||
|
|
adjust_by = getattr(self, f"{attr}_adjust_by", {})
|
||
|
|
for size, adjustment in adjust_by.items():
|
||
|
|
res += f" ADJUST_BY {adjustment} AT {size}"
|
||
|
|
res += " END_POS"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class Element(object):
|
||
|
|
def __init__(self, location=None):
|
||
|
|
self.location = location
|
||
|
|
|
||
|
|
def build(self, builder):
|
||
|
|
pass
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
raise NotImplementedError
|
||
|
|
|
||
|
|
|
||
|
|
class Statement(Element):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class Expression(Element):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class VoltFile(Statement):
|
||
|
|
def __init__(self):
|
||
|
|
Statement.__init__(self, location=None)
|
||
|
|
self.statements = []
|
||
|
|
|
||
|
|
def build(self, builder):
|
||
|
|
for s in self.statements:
|
||
|
|
s.build(builder)
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
return "\n" + "\n".join(str(s) for s in self.statements) + " END\n"
|
||
|
|
|
||
|
|
|
||
|
|
class GlyphDefinition(Statement):
|
||
|
|
def __init__(self, name, gid, gunicode, gtype, components, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.name = name
|
||
|
|
self.id = gid
|
||
|
|
self.unicode = gunicode
|
||
|
|
self.type = gtype
|
||
|
|
self.components = components
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
res = f'DEF_GLYPH "{self.name}" ID {self.id}'
|
||
|
|
if self.unicode is not None:
|
||
|
|
if len(self.unicode) > 1:
|
||
|
|
unicodes = ",".join(f"U+{u:04X}" for u in self.unicode)
|
||
|
|
res += f' UNICODEVALUES "{unicodes}"'
|
||
|
|
else:
|
||
|
|
res += f" UNICODE {self.unicode[0]}"
|
||
|
|
if self.type is not None:
|
||
|
|
res += f" TYPE {self.type}"
|
||
|
|
if self.components is not None:
|
||
|
|
res += f" COMPONENTS {self.components}"
|
||
|
|
res += " END_GLYPH"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class GroupDefinition(Statement):
|
||
|
|
def __init__(self, name, enum, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.name = name
|
||
|
|
self.enum = enum
|
||
|
|
self.glyphs_ = None
|
||
|
|
|
||
|
|
def glyphSet(self, groups=None):
|
||
|
|
if groups is not None and self.name in groups:
|
||
|
|
raise VoltLibError(
|
||
|
|
'Group "%s" contains itself.' % (self.name), self.location
|
||
|
|
)
|
||
|
|
if self.glyphs_ is None:
|
||
|
|
if groups is None:
|
||
|
|
groups = set({self.name})
|
||
|
|
else:
|
||
|
|
groups.add(self.name)
|
||
|
|
self.glyphs_ = self.enum.glyphSet(groups)
|
||
|
|
return self.glyphs_
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
enum = self.enum and str(self.enum) or ""
|
||
|
|
return f'DEF_GROUP "{self.name}"\n{enum}\nEND_GROUP'
|
||
|
|
|
||
|
|
|
||
|
|
class GlyphName(Expression):
|
||
|
|
"""A single glyph name, such as cedilla."""
|
||
|
|
|
||
|
|
def __init__(self, glyph, location=None):
|
||
|
|
Expression.__init__(self, location)
|
||
|
|
self.glyph = glyph
|
||
|
|
|
||
|
|
def glyphSet(self):
|
||
|
|
return (self.glyph,)
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
return f' GLYPH "{self.glyph}"'
|
||
|
|
|
||
|
|
|
||
|
|
class Enum(Expression):
|
||
|
|
"""An enum"""
|
||
|
|
|
||
|
|
def __init__(self, enum, location=None):
|
||
|
|
Expression.__init__(self, location)
|
||
|
|
self.enum = enum
|
||
|
|
|
||
|
|
def __iter__(self):
|
||
|
|
for e in self.glyphSet():
|
||
|
|
yield e
|
||
|
|
|
||
|
|
def glyphSet(self, groups=None):
|
||
|
|
glyphs = []
|
||
|
|
for element in self.enum:
|
||
|
|
if isinstance(element, (GroupName, Enum)):
|
||
|
|
glyphs.extend(element.glyphSet(groups))
|
||
|
|
else:
|
||
|
|
glyphs.extend(element.glyphSet())
|
||
|
|
return tuple(glyphs)
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
enum = "".join(str(e) for e in self.enum)
|
||
|
|
return f" ENUM{enum} END_ENUM"
|
||
|
|
|
||
|
|
|
||
|
|
class GroupName(Expression):
|
||
|
|
"""A glyph group"""
|
||
|
|
|
||
|
|
def __init__(self, group, parser, location=None):
|
||
|
|
Expression.__init__(self, location)
|
||
|
|
self.group = group
|
||
|
|
self.parser_ = parser
|
||
|
|
|
||
|
|
def glyphSet(self, groups=None):
|
||
|
|
group = self.parser_.resolve_group(self.group)
|
||
|
|
if group is not None:
|
||
|
|
self.glyphs_ = group.glyphSet(groups)
|
||
|
|
return self.glyphs_
|
||
|
|
else:
|
||
|
|
raise VoltLibError(
|
||
|
|
'Group "%s" is used but undefined.' % (self.group), self.location
|
||
|
|
)
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
return f' GROUP "{self.group}"'
|
||
|
|
|
||
|
|
|
||
|
|
class Range(Expression):
|
||
|
|
"""A glyph range"""
|
||
|
|
|
||
|
|
def __init__(self, start, end, parser, location=None):
|
||
|
|
Expression.__init__(self, location)
|
||
|
|
self.start = start
|
||
|
|
self.end = end
|
||
|
|
self.parser = parser
|
||
|
|
|
||
|
|
def glyphSet(self):
|
||
|
|
return tuple(self.parser.glyph_range(self.start, self.end))
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
return f' RANGE "{self.start}" TO "{self.end}"'
|
||
|
|
|
||
|
|
|
||
|
|
class ScriptDefinition(Statement):
|
||
|
|
def __init__(self, name, tag, langs, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.name = name
|
||
|
|
self.tag = tag
|
||
|
|
self.langs = langs
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
res = "DEF_SCRIPT"
|
||
|
|
if self.name is not None:
|
||
|
|
res += f' NAME "{self.name}"'
|
||
|
|
res += f' TAG "{self.tag}"\n\n'
|
||
|
|
for lang in self.langs:
|
||
|
|
res += f"{lang}"
|
||
|
|
res += "END_SCRIPT"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class LangSysDefinition(Statement):
|
||
|
|
def __init__(self, name, tag, features, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.name = name
|
||
|
|
self.tag = tag
|
||
|
|
self.features = features
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
res = "DEF_LANGSYS"
|
||
|
|
if self.name is not None:
|
||
|
|
res += f' NAME "{self.name}"'
|
||
|
|
res += f' TAG "{self.tag}"\n\n'
|
||
|
|
for feature in self.features:
|
||
|
|
res += f"{feature}"
|
||
|
|
res += "END_LANGSYS\n"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class FeatureDefinition(Statement):
|
||
|
|
def __init__(self, name, tag, lookups, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.name = name
|
||
|
|
self.tag = tag
|
||
|
|
self.lookups = lookups
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
res = f'DEF_FEATURE NAME "{self.name}" TAG "{self.tag}"\n'
|
||
|
|
res += " " + " ".join(f'LOOKUP "{l}"' for l in self.lookups) + "\n"
|
||
|
|
res += "END_FEATURE\n"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class LookupDefinition(Statement):
|
||
|
|
def __init__(
|
||
|
|
self,
|
||
|
|
name,
|
||
|
|
process_base,
|
||
|
|
process_marks,
|
||
|
|
mark_glyph_set,
|
||
|
|
direction,
|
||
|
|
reversal,
|
||
|
|
comments,
|
||
|
|
context,
|
||
|
|
sub,
|
||
|
|
pos,
|
||
|
|
location=None,
|
||
|
|
):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.name = name
|
||
|
|
self.process_base = process_base
|
||
|
|
self.process_marks = process_marks
|
||
|
|
self.mark_glyph_set = mark_glyph_set
|
||
|
|
self.direction = direction
|
||
|
|
self.reversal = reversal
|
||
|
|
self.comments = comments
|
||
|
|
self.context = context
|
||
|
|
self.sub = sub
|
||
|
|
self.pos = pos
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
res = f'DEF_LOOKUP "{self.name}"'
|
||
|
|
res += f' {self.process_base and "PROCESS_BASE" or "SKIP_BASE"}'
|
||
|
|
if self.process_marks:
|
||
|
|
res += " PROCESS_MARKS "
|
||
|
|
if self.mark_glyph_set:
|
||
|
|
res += f'MARK_GLYPH_SET "{self.mark_glyph_set}"'
|
||
|
|
elif isinstance(self.process_marks, str):
|
||
|
|
res += f'"{self.process_marks}"'
|
||
|
|
else:
|
||
|
|
res += "ALL"
|
||
|
|
else:
|
||
|
|
res += " SKIP_MARKS"
|
||
|
|
if self.direction is not None:
|
||
|
|
res += f" DIRECTION {self.direction}"
|
||
|
|
if self.reversal:
|
||
|
|
res += " REVERSAL"
|
||
|
|
if self.comments is not None:
|
||
|
|
comments = self.comments.replace("\n", r"\n")
|
||
|
|
res += f'\nCOMMENTS "{comments}"'
|
||
|
|
if self.context:
|
||
|
|
res += "\n" + "\n".join(str(c) for c in self.context)
|
||
|
|
else:
|
||
|
|
res += "\nIN_CONTEXT\nEND_CONTEXT"
|
||
|
|
if self.sub:
|
||
|
|
res += f"\n{self.sub}"
|
||
|
|
if self.pos:
|
||
|
|
res += f"\n{self.pos}"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class SubstitutionDefinition(Statement):
|
||
|
|
def __init__(self, mapping, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.mapping = mapping
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
res = "AS_SUBSTITUTION\n"
|
||
|
|
for src, dst in self.mapping.items():
|
||
|
|
src = "".join(str(s) for s in src)
|
||
|
|
dst = "".join(str(d) for d in dst)
|
||
|
|
res += f"SUB{src}\nWITH{dst}\nEND_SUB\n"
|
||
|
|
res += "END_SUBSTITUTION"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class SubstitutionSingleDefinition(SubstitutionDefinition):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class SubstitutionMultipleDefinition(SubstitutionDefinition):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class SubstitutionLigatureDefinition(SubstitutionDefinition):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class SubstitutionReverseChainingSingleDefinition(SubstitutionDefinition):
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
class PositionAttachDefinition(Statement):
|
||
|
|
def __init__(self, coverage, coverage_to, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.coverage = coverage
|
||
|
|
self.coverage_to = coverage_to
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
coverage = "".join(str(c) for c in self.coverage)
|
||
|
|
res = f"AS_POSITION\nATTACH{coverage}\nTO"
|
||
|
|
for coverage, anchor in self.coverage_to:
|
||
|
|
coverage = "".join(str(c) for c in coverage)
|
||
|
|
res += f'{coverage} AT ANCHOR "{anchor}"'
|
||
|
|
res += "\nEND_ATTACH\nEND_POSITION"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class PositionAttachCursiveDefinition(Statement):
|
||
|
|
def __init__(self, coverages_exit, coverages_enter, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.coverages_exit = coverages_exit
|
||
|
|
self.coverages_enter = coverages_enter
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
res = "AS_POSITION\nATTACH_CURSIVE"
|
||
|
|
for coverage in self.coverages_exit:
|
||
|
|
coverage = "".join(str(c) for c in coverage)
|
||
|
|
res += f"\nEXIT {coverage}"
|
||
|
|
for coverage in self.coverages_enter:
|
||
|
|
coverage = "".join(str(c) for c in coverage)
|
||
|
|
res += f"\nENTER {coverage}"
|
||
|
|
res += "\nEND_ATTACH\nEND_POSITION"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class PositionAdjustPairDefinition(Statement):
|
||
|
|
def __init__(self, coverages_1, coverages_2, adjust_pair, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.coverages_1 = coverages_1
|
||
|
|
self.coverages_2 = coverages_2
|
||
|
|
self.adjust_pair = adjust_pair
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
res = "AS_POSITION\nADJUST_PAIR\n"
|
||
|
|
for coverage in self.coverages_1:
|
||
|
|
coverage = " ".join(str(c) for c in coverage)
|
||
|
|
res += f" FIRST {coverage}"
|
||
|
|
res += "\n"
|
||
|
|
for coverage in self.coverages_2:
|
||
|
|
coverage = " ".join(str(c) for c in coverage)
|
||
|
|
res += f" SECOND {coverage}"
|
||
|
|
res += "\n"
|
||
|
|
for (id_1, id_2), (pos_1, pos_2) in self.adjust_pair.items():
|
||
|
|
res += f" {id_1} {id_2} BY{pos_1}{pos_2}\n"
|
||
|
|
res += "\nEND_ADJUST\nEND_POSITION"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class PositionAdjustSingleDefinition(Statement):
|
||
|
|
def __init__(self, adjust_single, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.adjust_single = adjust_single
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
res = "AS_POSITION\nADJUST_SINGLE"
|
||
|
|
for coverage, pos in self.adjust_single:
|
||
|
|
coverage = "".join(str(c) for c in coverage)
|
||
|
|
res += f"{coverage} BY{pos}"
|
||
|
|
res += "\nEND_ADJUST\nEND_POSITION"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class ContextDefinition(Statement):
|
||
|
|
def __init__(self, ex_or_in, left=None, right=None, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.ex_or_in = ex_or_in
|
||
|
|
self.left = left if left is not None else []
|
||
|
|
self.right = right if right is not None else []
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
res = self.ex_or_in + "\n"
|
||
|
|
for coverage in self.left:
|
||
|
|
coverage = "".join(str(c) for c in coverage)
|
||
|
|
res += f" LEFT{coverage}\n"
|
||
|
|
for coverage in self.right:
|
||
|
|
coverage = "".join(str(c) for c in coverage)
|
||
|
|
res += f" RIGHT{coverage}\n"
|
||
|
|
res += "END_CONTEXT"
|
||
|
|
return res
|
||
|
|
|
||
|
|
|
||
|
|
class AnchorDefinition(Statement):
|
||
|
|
def __init__(self, name, gid, glyph_name, component, locked, pos, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.name = name
|
||
|
|
self.gid = gid
|
||
|
|
self.glyph_name = glyph_name
|
||
|
|
self.component = component
|
||
|
|
self.locked = locked
|
||
|
|
self.pos = pos
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
locked = self.locked and " LOCKED" or ""
|
||
|
|
return (
|
||
|
|
f'DEF_ANCHOR "{self.name}"'
|
||
|
|
f" ON {self.gid}"
|
||
|
|
f" GLYPH {self.glyph_name}"
|
||
|
|
f" COMPONENT {self.component}"
|
||
|
|
f"{locked}"
|
||
|
|
f" AT {self.pos} END_ANCHOR"
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class SettingDefinition(Statement):
|
||
|
|
def __init__(self, name, value, location=None):
|
||
|
|
Statement.__init__(self, location)
|
||
|
|
self.name = name
|
||
|
|
self.value = value
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
if self.value is True:
|
||
|
|
return f"{self.name}"
|
||
|
|
if isinstance(self.value, (tuple, list)):
|
||
|
|
value = " ".join(str(v) for v in self.value)
|
||
|
|
return f"{self.name} {value}"
|
||
|
|
return f"{self.name} {self.value}"
|