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https://github.com/rsms/inter.git
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336 lines
10 KiB
Python
Executable File
336 lines
10 KiB
Python
Executable File
#!/usr/bin/env python
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# encoding: utf8
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from __future__ import print_function
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import os, sys, plistlib, re
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from collections import OrderedDict
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from ConfigParser import RawConfigParser
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from argparse import ArgumentParser
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from robofab.objects.objectsRF import OpenFont
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from fontTools.feaLib.parser import Parser as FeaParser
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from fontTools.feaLib.builder import Builder as FeaBuilder
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from fontTools.ttLib import TTFont
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# Regex matching "default" glyph names, like "uni2043" and "u01C5"
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uniNameRe = re.compile(r'^u(?:ni)([0-9A-F]{4,8})$')
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def unicodeForDefaultGlyphName(glyphName):
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m = uniNameRe.match(glyphName)
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if m is not None:
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try:
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return int(m.group(1), 16)
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except:
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pass
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return None
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def canonicalGlyphName(glyphName, uc2names):
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uc = unicodeForDefaultGlyphName(glyphName)
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if uc is not None:
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names = uc2names.get(uc)
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if names is not None and len(names) > 0:
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return names[0]
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return glyphName
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def parseGlyphComposition(composite):
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c = composite.split("=")
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d = c[1].split("/")
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glyphName = d[0]
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if len(d) == 1:
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offset = [0, 0]
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else:
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offset = [int(i) for i in d[1].split(",")]
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accentString = c[0]
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accents = accentString.split("+")
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baseName = accents.pop(0)
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accentNames = [i.split(":") for i in accents]
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return (glyphName, baseName, accentNames, offset)
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def loadGlyphCompositions(filename): # { glyphName => (baseName, accentNames, offset) }
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compositions = OrderedDict()
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with open(filename, 'r') as f:
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for line in f:
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line = line.strip()
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if len(line) > 0 and line[0] != '#':
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glyphName, baseName, accentNames, offset = parseGlyphComposition(line)
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compositions[glyphName] = (baseName, accentNames, offset)
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return compositions
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def loadAGL(filename): # -> { 2126: 'Omega', ... }
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m = {}
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with open(filename, 'r') as f:
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for line in f:
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# Omega;2126
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# dalethatafpatah;05D3 05B2 # higher-level combinations; ignored
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line = line.strip()
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if len(line) > 0 and line[0] != '#':
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name, uc = tuple([c.strip() for c in line.split(';')])
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if uc.find(' ') == -1:
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# it's a 1:1 mapping
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m[int(uc, 16)] = name
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return m
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def loadLocalNamesDB(fonts, agl, diacriticComps):
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uc2names = None # { 2126: ['Omega', ...], ...}
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allNames = set() # set('Omega', ...)
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for font in fonts:
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_uc2names = font.getCharacterMapping() # { 2126: ['Omega', ...], ...}
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if uc2names is None:
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uc2names = _uc2names
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else:
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for uc, _names in _uc2names.iteritems():
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names = uc2names.setdefault(uc, [])
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for name in _names:
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if name not in names:
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names.append(name)
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for g in font:
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allNames.add(g.name)
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# agl { 2126: 'Omega', ...} -> { 'Omega': [2126, ...], ...}
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aglName2Ucs = {}
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for uc, name in agl.iteritems():
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aglName2Ucs.setdefault(name, []).append(uc)
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for glyphName, comp in diacriticComps.iteritems():
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aglUCs = aglName2Ucs.get(glyphName)
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if aglUCs is None:
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uc = unicodeForDefaultGlyphName(glyphName)
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if uc is not None:
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glyphName2 = agl.get(uc)
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if glyphName2 is not None:
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glyphName = glyphName2
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names = uc2names.setdefault(uc, [])
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if glyphName not in names:
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names.append(glyphName)
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allNames.add(glyphName)
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else:
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allNames.add(glyphName)
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for uc in aglUCs:
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names = uc2names.get(uc, [])
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if glyphName not in names:
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names.append(glyphName)
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uc2names[uc] = names
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name2ucs = {} # { 'Omega': [2126, ...], ...}
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for uc, names in uc2names.iteritems():
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for name in names:
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name2ucs.setdefault(name, set()).add(uc)
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return uc2names, name2ucs, allNames
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includeRe = re.compile(r'^include\(([^\)]+)\);\s*$')
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def loadFeaturesFile(filepath):
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print('read', filepath)
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lines = []
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with open(filepath, 'r') as f:
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for line in f:
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m = includeRe.match(line)
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if m is not None:
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includedFilename = m.group(1)
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includedPath = os.path.normpath(os.path.join(os.path.dirname(filepath), includedFilename))
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lines = lines + loadFeaturesFile(includedPath)
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else:
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lines.append(line)
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return lines
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def main():
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argparser = ArgumentParser(description='Fixup features.fea')
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argparser.add_argument(
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'-dry', dest='dryRun', action='store_const', const=True, default=False,
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help='Do not modify anything, but instead just print what would happen.')
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argparser.add_argument(
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'fontPaths', metavar='<ufofile>', type=str, nargs='+', help='UFO fonts to update')
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args = argparser.parse_args()
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dryRun = args.dryRun
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agl = loadAGL('src/glyphlist.txt') # { 2126: 'Omega', ... }
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diacriticComps = loadGlyphCompositions('src/diacritics.txt') # {glyphName => (baseName, a, o)}
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# collect glyph names
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fonts = [OpenFont(fontPath) for fontPath in args.fontPaths]
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uc2names, name2ucs, allNames = loadLocalNamesDB(fonts, agl, diacriticComps)
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includeRe = re.compile(r'^include\(([^\)]+)\);\s*$')
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# open features.fea
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featuresLines = loadFeaturesFile(os.path.join(fontPath, 'features.fea'))
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classDefRe = re.compile(r'^@([^\s=]+)\s*=\s*\[([^\]]+)\]\s*;\s*$')
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subRe = re.compile(r'^\s*sub\s+(.+)(\'?)\s+by\s+(.+)\s*;\s*$')
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sub2Re = re.compile(r'^\s*sub\s+([^\[]+)\s+\[\s*([^\]]+)\s*\](\'?)\s+by\s+(.+)\s*;\s*$')
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# sub lmidtilde [uni1ABB uni1ABD uni1ABE]' by uni1ABE.w2;
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# sub lmidtilde uni1ABC' by uni1ABC.w2;
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spacesRe = re.compile(r'[\s\r\n]+')
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classDefs = {}
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featuresLines2 = []
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for line in featuresLines:
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clsM = classDefRe.match(line)
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if clsM is not None:
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clsName = clsM.group(1)
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names = spacesRe.split(clsM.group(2).strip())
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if clsName in classDefs:
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raise Exception('duplicate class definition ' + clsName)
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# print('classdef', clsName, ' '.join(names))
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# print('classdef', clsName)
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names2 = []
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for name in names:
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if name == '-':
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# e.g. A - Z
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names2.append(name)
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continue
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if name[0] != '@':
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canonName = canonicalGlyphName(name, uc2names)
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if canonName != name:
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# print('renaming ' + name + ' -> ' + canonName)
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names2.append(canonName)
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elif name not in allNames:
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print('skipping unknown glyph ' + name)
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else:
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names2.append(name)
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else:
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raise Exception('todo: class-ref ' + name + ' in class-def ' + clsName)
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classDefs[clsName] = names2
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line = '@%s = [ %s ];' % (clsName, ' '.join(names2))
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featuresLines2.append(line)
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continue
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# sub2M = sub2Re.match(line)
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# if sub2M is not None:
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# findNames1 = spacesRe.split(sub2M.group(1))
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# findNames2 = spacesRe.split(sub2M.group(2))
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# apos = sub2M.group(3)
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# rightName = sub2M.group(4)
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# print('TODO: sub2', findNames1, findNames2, apos, rightName)
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# featuresLines2.append(line)
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# continue
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sub2M = sub2Re.match(line)
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subM = None
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if sub2M is None:
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subM = subRe.match(line)
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if subM is not None or sub2M is not None:
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findNamesStr = ''
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findNamesHasBrackets = False
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findNames = []
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findNamesBStr = ''
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findNamesBHasBrackets = False
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findNamesB = []
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newNamesStr = ''
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newNamesHasBrackets = False
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newNames = []
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apos0 = ''
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if subM is not None:
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findNamesStr = subM.group(1)
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apos0 = subM.group(2)
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newNamesStr = subM.group(3)
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else: # sub2M
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findNamesStr = sub2M.group(1)
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findNamesBStr = sub2M.group(2)
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apos0 = sub2M.group(3)
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newNamesStr = sub2M.group(4)
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if newNamesStr[0] == '[':
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newNamesHasBrackets = True
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newNamesStr = newNamesStr.strip('[ ]')
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newNames = spacesRe.split(newNamesStr)
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if findNamesStr[0] == '[':
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findNamesHasBrackets = True
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findNamesStr = findNamesStr.strip('[ ]')
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findNames = spacesRe.split(findNamesStr)
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if findNamesBStr != '':
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if findNamesBStr[0] == '[':
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findNamesBHasBrackets = True
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findNamesBStr = findNamesBStr.strip('[ ]')
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findNamesB = spacesRe.split(findNamesBStr)
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names22 = []
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for names in [findNames, findNamesB, newNames]:
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names2 = []
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for name in names:
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if name[0] == '@':
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clsName = name[1:].rstrip("'")
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if clsName not in classDefs:
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raise Exception('sub: missing target class ' + clsName + ' at\n' + line)
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names2.append(name)
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else:
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apos = name[-1] == "'"
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if apos:
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name = name[:-1]
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if name not in allNames:
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canonName = canonicalGlyphName(name, uc2names)
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if canonName != name:
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print('renaming ' + name + ' -> ' + canonName)
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name = canonName
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else:
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raise Exception('TODO: unknown name', name)
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# if we remove names, we also need to remove subs (that become empty), and so on.
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if apos:
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name += "'"
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names2.append(name)
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names22.append(names2)
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findNames2, findNamesB2, newNames2 = names22
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findNamesStr = ' '.join(findNames2)
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if findNamesHasBrackets: findNamesStr = '[' + findNamesStr + ']'
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if findNamesBStr != '':
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findNamesBStr = ' '.join(findNamesB2)
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if findNamesBHasBrackets: findNamesBStr = '[' + findNamesBStr + ']'
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newNamesStr = ' '.join(newNames2)
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if newNamesHasBrackets: newNamesStr = '[' + newNamesStr + ']'
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if subM is not None:
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line = ' sub %s%s by %s;' % (findNamesStr, apos0, newNamesStr)
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else:
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# if subM is None:
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# sub bbar [uni1ABB uni1ABD uni1ABE]' by uni1ABE.w2;
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line = ' sub %s [%s]%s by %s;' % (findNamesStr, findNamesBStr, apos0, newNamesStr)
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featuresLines2.append(line)
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print('Write', featuresFilename)
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if not dryRun:
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with open(featuresFilename + '2', 'w') as f:
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for line in featuresLines2:
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f.write(line + '\n')
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# FeaParser(featuresFilename + '2', allNames).parse()
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# font = TTFont('build/dist-unhinted/Inter-UI-Regular.otf')
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# FeaBuilder(font, featuresFilename + '2').build()
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main()
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