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_properties[] = {' 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+')) 46
