46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
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import sys
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from unicode_parse_common import *
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# http://www.unicode.org/Public/UNIDATA/auxiliary/GraphemeBreakProperty.txt
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property_to_harfbuzz = {
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'CR': 'HB_Grapheme_CR',
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'LF': 'HB_Grapheme_LF',
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'Control': 'HB_Grapheme_Control',
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'Extend': 'HB_Grapheme_Extend',
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'Prepend': 'HB_Grapheme_Other',
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'SpacingMark': 'HB_Grapheme_Other',
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'L': 'HB_Grapheme_L',
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'V': 'HB_Grapheme_V',
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'T': 'HB_Grapheme_T',
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'LV': 'HB_Grapheme_LV',
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'LVT': 'HB_Grapheme_LVT',
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}
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def main(infile, outfile):
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ranges = unicode_file_parse(infile, property_to_harfbuzz)
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ranges.sort()
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print >>outfile, '// Generated from Unicode Grapheme break tables\n'
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print >>outfile, '#ifndef GRAPHEME_BREAK_PROPERTY_H_'
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print >>outfile, '#define GRAPHEME_BREAK_PROPERTY_H_\n'
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print >>outfile, '#include <stdint.h>'
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print >>outfile, '#include "harfbuzz-external.h"\n'
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print >>outfile, 'struct grapheme_break_property {'
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print >>outfile, ' uint32_t range_start;'
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print >>outfile, ' uint32_t range_end;'
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print >>outfile, ' HB_GraphemeClass klass;'
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print >>outfile, '};\n'
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print >>outfile, 'static const struct grapheme_break_property grapheme_break_properties[] = {'
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for (start, end, value) in ranges:
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print >>outfile, ' {0x%x, 0x%x, %s},' % (start, end, value)
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print >>outfile, '};\n'
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print >>outfile, 'static const unsigned grapheme_break_properties_count = %d;\n' % len(ranges)
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print >>outfile, '#endif // GRAPHEME_BREAK_PROPERTY_H_'
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if __name__ == '__main__':
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if len(sys.argv) != 3:
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print 'Usage: %s <input .txt> <output .h>' % sys.argv[0]
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else:
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main(file(sys.argv[1], 'r'), file(sys.argv[2], 'w+'))
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