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#!/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)
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