102c0e0e56
Currently, the compiler uses them to figure out which set of languagesystems would apply for the current scope. However, this information is not yet used for anything.
133 lines
3.9 KiB
Python
133 lines
3.9 KiB
Python
from __future__ import print_function, division, absolute_import
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from __future__ import unicode_literals
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class Statement(object):
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def __init__(self, location):
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self.location = location
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def build(self, builder):
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pass
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class Block(Statement):
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def __init__(self, location):
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Statement.__init__(self, location)
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self.statements = []
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def build(self, builder):
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for s in self.statements:
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s.build(builder)
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class FeatureFile(Block):
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def __init__(self):
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Block.__init__(self, location=None)
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class FeatureBlock(Block):
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def __init__(self, location, name, use_extension):
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Block.__init__(self, location)
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self.name, self.use_extension = name, use_extension
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def build(self, builder):
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# TODO(sascha): Handle use_extension.
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builder.start_feature(self.location, self.name)
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Block.build(self, builder)
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class LookupBlock(Block):
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def __init__(self, location, name, use_extension):
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Block.__init__(self, location)
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self.name, self.use_extension = name, use_extension
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class GlyphClassDefinition(Statement):
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def __init__(self, location, name, glyphs):
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Statement.__init__(self, location)
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self.name = name
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self.glyphs = glyphs
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class AlternateSubstitution(Statement):
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def __init__(self, location, glyph, from_class):
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Statement.__init__(self, location)
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self.glyph, self.from_class = (glyph, from_class)
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class AnchorDefinition(Statement):
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def __init__(self, location, name, x, y, contourpoint):
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Statement.__init__(self, location)
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self.name, self.x, self.y, self.contourpoint = name, x, y, contourpoint
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class LanguageStatement(Statement):
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def __init__(self, location, language, include_default, required):
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Statement.__init__(self, location)
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self.language = language
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self.include_default = include_default
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self.required = required
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def build(self, builder):
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# TODO(sascha): Handle required.
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builder.set_language(location=self.location, language=self.language,
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include_default=self.include_default)
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class LanguageSystemStatement(Statement):
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def __init__(self, location, script, language):
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Statement.__init__(self, location)
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self.script, self.language = (script, language)
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def build(self, builder):
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builder.add_language_system(self.location, self.script, self.language)
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class IgnoreSubstitutionRule(Statement):
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def __init__(self, location, prefix, glyphs, suffix):
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Statement.__init__(self, location)
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self.prefix, self.glyphs, self.suffix = (prefix, glyphs, suffix)
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class LookupReferenceStatement(Statement):
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def __init__(self, location, lookup):
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Statement.__init__(self, location)
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self.location, self.lookup = (location, lookup)
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class ScriptStatement(Statement):
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def __init__(self, location, script):
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Statement.__init__(self, location)
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self.script = script
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def build(self, builder):
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builder.set_script(self.location, self.script)
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class SubtableStatement(Statement):
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def __init__(self, location):
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Statement.__init__(self, location)
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class SubstitutionRule(Statement):
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def __init__(self, location, old, new):
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Statement.__init__(self, location)
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self.old, self.new = (old, new)
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self.old_prefix = []
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self.old_suffix = []
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self.lookups = [None] * len(old)
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class ValueRecord(Statement):
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def __init__(self, location, xPlacement, yPlacement, xAdvance, yAdvance):
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Statement.__init__(self, location)
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self.xPlacement, self.yPlacement = (xPlacement, yPlacement)
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self.xAdvance, self.yAdvance = (xAdvance, yAdvance)
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class ValueRecordDefinition(Statement):
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def __init__(self, location, name, value):
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Statement.__init__(self, location)
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self.name = name
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self.value = value
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