1 files changed, 75 insertions, 0 deletions
diff --git a/third_party/harfbuzz/contrib/tables/scripts-parse.py b/third_party/harfbuzz/contrib/tables/scripts-parse.py
new file mode 100644
index 0000000..23bac10
--- /dev/null
+++ b/third_party/harfbuzz/contrib/tables/scripts-parse.py
@@ -0,0 +1,75 @@
+import sys
+from unicode_parse_common import *
+
+# http://www.unicode.org/Public/5.1.0/ucd/Scripts.txt
+
+script_to_harfbuzz = {
+  # This is the list of HB_Script_* at the time of writing
+  'Common': 'HB_Script_Common',
+  'Greek': 'HB_Script_Greek',
+  'Cyrillic': 'HB_Script_Cyrillic',
+  'Armenian': 'HB_Script_Armenian',
+  'Hebrew': 'HB_Script_Hebrew',
+  'Arabic': 'HB_Script_Arabic',
+  'Syriac': 'HB_Script_Syriac',
+  'Thaana': 'HB_Script_Thaana',
+  'Devanagari': 'HB_Script_Devanagari',
+  'Bengali': 'HB_Script_Bengali',
+  'Gurmukhi': 'HB_Script_Gurmukhi',
+  'Gujarati': 'HB_Script_Gujarati',
+  'Oriya': 'HB_Script_Oriya',
+  'Tamil': 'HB_Script_Tamil',
+  'Telugu': 'HB_Script_Telugu',
+  'Kannada': 'HB_Script_Kannada',
+  'Malayalam': 'HB_Script_Malayalam',
+  'Sinhala': 'HB_Script_Sinhala',
+  'Thai': 'HB_Script_Thai',
+  'Lao': 'HB_Script_Lao',
+  'Tibetan': 'HB_Script_Tibetan',
+  'Myanmar': 'HB_Script_Myanmar',
+  'Georgian': 'HB_Script_Georgian',
+  'Hangul': 'HB_Script_Hangul',
+  'Ogham': 'HB_Script_Ogham',
+  'Runic': 'HB_Script_Runic',
+  'Khmer': 'HB_Script_Khmer',
+  'Inherited': 'HB_Script_Inherited',
+}
+
+class ScriptDict(object):
+  def __init__(self, base):
+    self.base = base
+
+  def __getitem__(self, key):
+    r = self.base.get(key, None)
+    if r is None:
+      return 'HB_Script_Common'
+    return r
+
+def main(infile, outfile):
+  ranges = unicode_file_parse(infile,
+                              ScriptDict(script_to_harfbuzz),
+                              'HB_Script_Common')
+  ranges = sort_and_merge(ranges)
+
+  print >>outfile, '// Generated from Unicode script tables\n'
+  print >>outfile, '#ifndef SCRIPT_PROPERTIES_H_'
+  print >>outfile, '#define SCRIPT_PROPERTIES_H_\n'
+  print >>outfile, '#include <stdint.h>'
+  print >>outfile, '#include "harfbuzz-shaper.h"\n'
+  print >>outfile, 'struct script_property {'
+  print >>outfile, '  uint32_t range_start;'
+  print >>outfile, '  uint32_t range_end;'
+  print >>outfile, '  HB_Script script;'
+  print >>outfile, '};\n'
+  print >>outfile, 'static const struct script_property script_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 script_properties_count = %d;\n' % len(ranges)
+  print >>outfile, '#endif  // SCRIPT_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+'))