skia2/third_party/harfbuzz/contrib/tables/grapheme-break-parse.py
reed@android.com 5469607a00 add
git-svn-id: http://skia.googlecode.com/svn/trunk@536 2bbb7eff-a529-9590-31e7-b0007b416f81
2010-04-08 18:48:12 +00:00

46 lines
1.6 KiB
Python

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