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| 1 import sys | |
| 2 from unicode_parse_common import * | |
| 3 | |
| 4 # http://www.unicode.org/Public/UNIDATA/auxiliary/GraphemeBreakProperty.txt | |
| 5 | |
| 6 property_to_harfbuzz = { | |
| 7 'CR': 'HB_Grapheme_CR', | |
| 8 'LF': 'HB_Grapheme_LF', | |
| 9 'Control': 'HB_Grapheme_Control', | |
| 10 'Extend': 'HB_Grapheme_Extend', | |
| 11 'Prepend': 'HB_Grapheme_Other', | |
| 12 'SpacingMark': 'HB_Grapheme_Other', | |
| 13 'L': 'HB_Grapheme_L', | |
| 14 'V': 'HB_Grapheme_V', | |
| 15 'T': 'HB_Grapheme_T', | |
| 16 'LV': 'HB_Grapheme_LV', | |
| 17 'LVT': 'HB_Grapheme_LVT', | |
| 18 } | |
| 19 | |
| 20 def main(infile, outfile): | |
| 21 ranges = unicode_file_parse(infile, property_to_harfbuzz) | |
| 22 ranges.sort() | |
| 23 | |
| 24 print >>outfile, '// Generated from Unicode Grapheme break tables\n' | |
| 25 print >>outfile, '#ifndef GRAPHEME_BREAK_PROPERTY_H_' | |
| 26 print >>outfile, '#define GRAPHEME_BREAK_PROPERTY_H_\n' | |
| 27 print >>outfile, '#include <stdint.h>' | |
| 28 print >>outfile, '#include "harfbuzz-external.h"\n' | |
| 29 print >>outfile, 'struct grapheme_break_property {' | |
| 30 print >>outfile, ' uint32_t range_start;' | |
| 31 print >>outfile, ' uint32_t range_end;' | |
| 32 print >>outfile, ' HB_GraphemeClass klass;' | |
| 33 print >>outfile, '};\n' | |
| 34 print >>outfile, 'static const struct grapheme_break_property grapheme_break_p
roperties[] = {' | |
| 35 for (start, end, value) in ranges: | |
| 36 print >>outfile, ' {0x%x, 0x%x, %s},' % (start, end, value) | |
| 37 print >>outfile, '};\n' | |
| 38 print >>outfile, 'static const unsigned grapheme_break_properties_count = %d;\
n' % len(ranges) | |
| 39 print >>outfile, '#endif // GRAPHEME_BREAK_PROPERTY_H_' | |
| 40 | |
| 41 if __name__ == '__main__': | |
| 42 if len(sys.argv) != 3: | |
| 43 print 'Usage: %s <input .txt> <output .h>' % sys.argv[0] | |
| 44 else: | |
| 45 main(file(sys.argv[1], 'r'), file(sys.argv[2], 'w+')) | |
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