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73 lines
2.0 KiB
Python
73 lines
2.0 KiB
Python
"""fontTools.misc.encodingTools.py -- tools for working with OpenType encodings.
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"""
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import fontTools.encodings.codecs
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# Map keyed by platformID, then platEncID, then possibly langID
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_encodingMap = {
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0: { # Unicode
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0: "utf_16_be",
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1: "utf_16_be",
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2: "utf_16_be",
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3: "utf_16_be",
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4: "utf_16_be",
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5: "utf_16_be",
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6: "utf_16_be",
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},
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1: { # Macintosh
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# See
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# https://github.com/fonttools/fonttools/issues/236
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0: { # Macintosh, platEncID==0, keyed by langID
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15: "mac_iceland",
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17: "mac_turkish",
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18: "mac_croatian",
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24: "mac_latin2",
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25: "mac_latin2",
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26: "mac_latin2",
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27: "mac_latin2",
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28: "mac_latin2",
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36: "mac_latin2",
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37: "mac_romanian",
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38: "mac_latin2",
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39: "mac_latin2",
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40: "mac_latin2",
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Ellipsis: "mac_roman", # Other
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},
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1: "x_mac_japanese_ttx",
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2: "x_mac_trad_chinese_ttx",
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3: "x_mac_korean_ttx",
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6: "mac_greek",
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7: "mac_cyrillic",
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25: "x_mac_simp_chinese_ttx",
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29: "mac_latin2",
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35: "mac_turkish",
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37: "mac_iceland",
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},
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2: { # ISO
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0: "ascii",
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1: "utf_16_be",
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2: "latin1",
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},
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3: { # Microsoft
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0: "utf_16_be",
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1: "utf_16_be",
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2: "shift_jis",
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3: "gb2312",
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4: "big5",
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5: "euc_kr",
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6: "johab",
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10: "utf_16_be",
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},
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}
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def getEncoding(platformID, platEncID, langID, default=None):
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"""Returns the Python encoding name for OpenType platformID/encodingID/langID
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triplet. If encoding for these values is not known, by default None is
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returned. That can be overriden by passing a value to the default argument.
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"""
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encoding = _encodingMap.get(platformID, {}).get(platEncID, default)
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if isinstance(encoding, dict):
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encoding = encoding.get(langID, encoding[Ellipsis])
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return encoding
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