1 files changed, 34 insertions, 0 deletions
diff --git a/third_party/harfbuzz/contrib/tables/combining-class-parse.py b/third_party/harfbuzz/contrib/tables/combining-class-parse.py
new file mode 100644
index 0000000..c591ddd
--- /dev/null
+++ b/third_party/harfbuzz/contrib/tables/combining-class-parse.py
@@ -0,0 +1,34 @@
+import sys
+from unicode_parse_common import *
+
+# http://www.unicode.org/Public/5.1.0/ucd/extracted/DerivedCombiningClass.txt
+
+class IdentityMap(object):
+  def __getitem__(_, key):
+    return key
+
+def main(infile, outfile):
+  ranges = unicode_file_parse(infile, IdentityMap(), '0')
+  ranges = sort_and_merge(ranges)
+
+  print >>outfile, '// Generated from Unicode tables\n'
+  print >>outfile, '#ifndef COMBINING_PROPERTIES_H_'
+  print >>outfile, '#define COMBINING_PROPERTIES_H_\n'
+  print >>outfile, '#include <stdint.h>'
+  print >>outfile, 'struct combining_property {'
+  print >>outfile, '  uint32_t range_start;'
+  print >>outfile, '  uint32_t range_end;'
+  print >>outfile, '  uint8_t klass;'
+  print >>outfile, '};\n'
+  print >>outfile, 'static const struct combining_property combining_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 combining_properties_count = %d;\n' % len(ranges)
+  print >>outfile, '#endif  // COMBINING_PROPERTIES_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+'))