1 files changed, 105 insertions, 0 deletions
diff --git a/libs/minikin/unicode_emoji_h_gen.py b/libs/minikin/unicode_emoji_h_gen.py
new file mode 100644
index 0000000..7233ef6
--- /dev/null
+++ b/libs/minikin/unicode_emoji_h_gen.py
@@ -0,0 +1,105 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+"""Generate header file for unicode data."""
+
+import optparse
+import sys
+
+
+UNICODE_EMOJI_TEMPLATE="""
+/* file generated by frameworks/minikin/lib/minikin/Android.mk */
+#ifndef MINIKIN_UNICODE_EMOJI_H
+#define MINIKIN_UNICODE_EMOJI_H
+
+#include <stdint.h>
+
+namespace android {
+namespace generated {
+
+int32_t EMOJI_LIST[] = {
+@@@EMOJI_DATA@@@
+};
+
+}  // namespace generated
+}  // namespace android
+
+#endif  // MINIKIN_UNICODE_EMOJI_H
+"""
+
+
+def _create_opt_parser():
+  parser = optparse.OptionParser()
+  parser.add_option('-i', '--input', type='str', action='store',
+                    help='path to input emoji-data.txt')
+  parser.add_option('-o', '--output', type='str', action='store',
+                    help='path to output UnicodeEmoji.h')
+  return parser
+
+
+def _read_emoji_data(emoji_data_file_path):
+  result = []
+  with open(emoji_data_file_path) as emoji_data_file:
+    for line in emoji_data_file:
+      if '#' in line:
+        line = line[:line.index('#')]  # Drop comments.
+      if not line.strip():
+        continue  # Skip empty line.
+
+      code_points, prop = line.split(';')
+      code_points = code_points.strip()
+      prop = prop.strip()
+      if prop != 'Emoji':
+        break  # Only collect Emoji property code points
+
+      if '..' in code_points:  # code point range
+        cp_start, cp_end = code_points.split('..')
+        result.extend(xrange(int(cp_start, 16), int(cp_end, 16) + 1))
+      else:
+        code_point = int(code_points, 16)
+        result.append(code_point)
+  return result
+
+
+def _generate_header_contents(emoji_list):
+  INDENT = ' ' * 4
+  JOINER = ', '
+
+  hex_list = ['0x%04X' % x for x in emoji_list]
+  lines = []
+  tmp_line = '%s%s' % (INDENT, hex_list[0])
+  for hex_str in hex_list[1:]:
+    if len(tmp_line) + len(JOINER) + len(hex_str) >= 100:
+      lines.append(tmp_line + ',')
+      tmp_line = '%s%s' % (INDENT, hex_str)
+    else:
+      tmp_line = '%s%s%s' % (tmp_line, JOINER, hex_str)
+  lines.append(tmp_line)
+
+  template = UNICODE_EMOJI_TEMPLATE
+  template = template.replace('@@@EMOJI_DATA@@@', '\n'.join(lines))
+  return template
+
+
+if __name__ == '__main__':
+  opt_parser = _create_opt_parser()
+  opts, _ = opt_parser.parse_args()
+
+  emoji_list = _read_emoji_data(opts.input)
+  header = _generate_header_contents(emoji_list)
+  with open(opts.output, 'w') as header_file:
+    header_file.write(header)
+