from __future__ import print_function, division, absolute_import
from __future__ import unicode_literals
import fontTools.feaLib.ast as ast


class VoltFile(ast.Block):
    def __init__(self):
        ast.Block.__init__(self, location=None)


class LookupBlock(ast.Block):
    def __init__(self, location, name):
        ast.Block.__init__(self, location)
        self.name = name

    def build(self, builder):
        builder.start_lookup_block(self.location, self.name)
        ast.Block.build(self, builder)
        builder.end_lookup_block()


class GlyphDefinition(ast.Statement):
    def __init__(self, location, name, gid, gunicode, gtype, components):
        ast.Statement.__init__(self, location)
        self.name = name
        self.id = gid
        self.unicode = gunicode
        self.type = gtype
        self.components = components


class GroupDefinition(ast.Statement):
    def __init__(self, location, name, enum):
        ast.Statement.__init__(self, location)
        self.name = name
        self.enum = enum


class ScriptDefinition(ast.Statement):
    def __init__(self, location, name, tag, langs):
        ast.Statement.__init__(self, location)
        self.name = name
        self.tag = tag
        self.langs = langs


class LangSysDefinition(ast.Statement):
    def __init__(self, location, name, tag, features):
        ast.Statement.__init__(self, location)
        self.name = name
        self.tag = tag
        self.features = features


class FeatureDefinition(ast.Statement):
    def __init__(self, location, name, tag, lookups):
        ast.Statement.__init__(self, location)
        self.name = name
        self.tag = tag
        self.lookups = lookups


class LookupDefinition(ast.Statement):
    def __init__(self, location, name, base, marks, process_marks, all_flag,
                 direction, reversal, comments, context, sub, pos):
        ast.Statement.__init__(self, location)
        self.name = name
        self.base = base
        self.marks = marks
        self.process_marks = process_marks
        self.all = all_flag
        self.direction = direction
        self.reversal = reversal
        self.comments = comments
        self.context = context
        self.sub = sub
        self.pos = pos


class SubstitutionDefinition(ast.Statement):
    def __init__(self, location, src, dest):
        ast.Statement.__init__(self, location)
        self.mapping = zip(src, dest)


class PositionAttachDefinition(ast.Statement):
    def __init__(self, location, coverage, coverage_to):
        ast.Statement.__init__(self, location)
        self.coverage = coverage
        self.coverage_to = coverage_to


class PositionAttachCursiveDefinition(ast.Statement):
    def __init__(self, location, coverages_exit, coverages_enter):
        ast.Statement.__init__(self, location)
        self.coverages_exit = coverages_exit
        self.coverages_enter = coverages_enter


class PositionAdjustPairDefinition(ast.Statement):
    def __init__(self, location, coverages_1, coverages_2, adjust_pair):
        ast.Statement.__init__(self, location)
        self.coverages_1 = coverages_1
        self.coverages_2 = coverages_2
        self.adjust_pair = adjust_pair


class PositionAdjustSingleDefinition(ast.Statement):
    def __init__(self, location, coverages, adjust):
        ast.Statement.__init__(self, location)
        self.coverages = coverages
        self.adjust = adjust


class ContextDefinition(ast.Statement):
    def __init__(self, location, ex_or_in, left=[], right=[]):
        ast.Statement.__init__(self, location)
        self.ex_or_in = ex_or_in
        self.left = left
        self.right = right


class AnchorDefinition(ast.Statement):
    def __init__(self, location, name, gid, glyph_name, component, locked,
                 pos):
        ast.Statement.__init__(self, location)
        self.name = name
        self.gid = gid
        self.glyph_name = glyph_name
        self.component = component
        self.locked = locked
        self.pos = pos


class SettingDefinition(ast.Statement):
    def __init__(self, location, name, value):
        ast.Statement.__init__(self, location)
        self.name = name
        self.value = value