80 lines
2.9 KiB
Python
80 lines
2.9 KiB
Python
from __future__ import print_function, division, absolute_import
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from fontTools.misc.py23 import *
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from fontTools.misc import sstruct
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from fontTools.misc.textTools import safeEval
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from . import DefaultTable
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from . import grUtils
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import struct
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Sill_hdr = '''
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>
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version: 16.16F
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'''
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class table_S__i_l_l(DefaultTable.DefaultTable):
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def __init__(self, tag=None):
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DefaultTable.DefaultTable.__init__(self, tag)
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self.langs = {}
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def decompile(self, data, ttFont):
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(_, data) = sstruct.unpack2(Sill_hdr, data, self)
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numLangs, = struct.unpack('>H', data[:2])
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data = data[8:]
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maxsetting = 0
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langinfo = []
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for i in range(numLangs):
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(langcode, numsettings, offset) = struct.unpack(">4sHH",
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data[i * 8:(i+1) * 8])
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offset = int(offset / 8) - (numLangs + 1)
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langcode = langcode.replace(b'\000', b'')
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langinfo.append((langcode, numsettings, offset))
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maxsetting = max(maxsetting, offset + numsettings)
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data = data[numLangs * 8:]
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finfo = []
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for i in range(maxsetting):
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(fid, val, _) = struct.unpack(">LHH", data[i * 8:(i+1) * 8])
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finfo.append((fid, val))
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self.langs = {}
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for c, n, o in langinfo:
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self.langs[c] = []
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for i in range(o, o+n):
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self.langs[c].append(finfo[i])
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def compile(self, ttFont):
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ldat = ""
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fdat = ""
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offset = 0
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for c, inf in sorted(self.langs.items()):
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ldat += struct.pack(">4sHH", c.encode('utf8'), len(inf), 8 * (offset + len(self.langs) + 1))
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for fid, val in inf:
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fdat += struct.pack(">LHH", fid, val, 0)
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offset += len(inf)
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return sstruct.pack(Sill_hdr, self) + grUtils.bininfo(len(self.langs)) + \
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ldat + fdat
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def toXML(self, writer, ttFont):
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writer.simpletag('version', version=self.version)
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writer.newline()
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for c, inf in sorted(self.langs.items()):
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writer.begintag('lang', name=c)
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writer.newline()
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for fid, val in inf:
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writer.simpletag('feature', fid=grUtils.num2tag(fid), val=val)
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writer.newline()
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writer.endtag('lang')
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writer.newline()
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def fromXML(self, name, attrs, content, ttFont):
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if name == 'version':
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self.version = float(safeEval(attrs['version']))
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elif name == 'lang':
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c = attrs['name']
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self.langs[c] = []
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for element in content:
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if not isinstance(element, tuple): continue
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tag, a, subcontent = element
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if tag == 'feature':
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self.langs[c].append((grUtils.tag2num(a['fid']),
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int(safeEval(a['val']))))
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