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99 lines
3.5 KiB
Python
Executable File
99 lines
3.5 KiB
Python
Executable File
#!/usr/bin/python
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# Copyright (C) 2012-2016 Reece H. Dunn
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#
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# This file is part of ucd-tools.
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#
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# ucd-tools is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# ucd-tools is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with ucd-tools. If not, see <http://www.gnu.org/licenses/>.
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import os
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import sys
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import ucd
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ucd_rootdir = sys.argv[1]
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ucd_version = sys.argv[2]
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unicode_chars = {}
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null = ucd.CodePoint('0000')
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for data in ucd.parse_ucd_data(ucd_rootdir, 'UnicodeData'):
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if data['LowerCase'] != null or data['UpperCase'] != null or data['TitleCase'] != null:
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unicode_chars[data['CodePoint']] = (data['LowerCase'], data['UpperCase'], data['TitleCase'])
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if __name__ == '__main__':
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sys.stdout.write("""/* Unicode Case Conversion
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*
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* Copyright (C) 2012-2016 Reece H. Dunn
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*
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* This file is part of ucd-tools.
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*
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* ucd-tools is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ucd-tools is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ucd-tools. If not, see <http://www.gnu.org/licenses/>.
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*/
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// NOTE: This file is automatically generated from the UnicodeData.txt file in
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// the Unicode Character database by the ucd-tools/tools/categories.py script.
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#include "ucd/ucd.h"
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#include <stddef.h>
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// Unicode Character Data %s
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struct case_conversion_entry
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{
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codepoint_t codepoint;
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codepoint_t uppercase;
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codepoint_t lowercase;
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codepoint_t titlecase;
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};
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""" % ucd_version)
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sys.stdout.write('\n')
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sys.stdout.write('static const struct case_conversion_entry case_conversion_data[] =\n')
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sys.stdout.write('{\n')
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for codepoint in sorted(unicode_chars.keys()):
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lower, upper, title = unicode_chars[codepoint]
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sys.stdout.write('\t{ 0x%s, 0x%s, 0x%s, 0x%s },\n' % (codepoint, upper, lower, title))
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sys.stdout.write('};\n')
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for case in ['upper', 'lower', 'title']:
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sys.stdout.write('\n')
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sys.stdout.write('codepoint_t ucd_to%s(codepoint_t c)\n' % case)
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sys.stdout.write('{\n')
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sys.stdout.write('\tint begin = 0;\n')
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sys.stdout.write('\tint end = sizeof(case_conversion_data)/sizeof(case_conversion_data[0]);\n')
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sys.stdout.write('\twhile (begin <= end)\n')
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sys.stdout.write('\t{\n')
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sys.stdout.write('\t\tint pos = (begin + end) / 2;\n')
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sys.stdout.write('\t\tconst struct case_conversion_entry *item = (case_conversion_data + pos);\n')
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sys.stdout.write('\t\tif (c == item->codepoint)\n')
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sys.stdout.write('\t\t\treturn item->%scase == 0 ? c : item->%scase;\n' % (case, case))
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sys.stdout.write('\t\telse if (c > item->codepoint)\n')
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sys.stdout.write('\t\t\tbegin = pos + 1;\n')
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sys.stdout.write('\t\telse\n')
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sys.stdout.write('\t\t\tend = pos - 1;\n')
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sys.stdout.write('\t}\n')
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sys.stdout.write('\treturn c;\n')
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sys.stdout.write('}\n')
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