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39 lines
868 B
Python
39 lines
868 B
Python
# Needs UnicodeData.txt in the current directory.
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#
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# It can be obtained from unicode.org:
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# - http://www.unicode.org/Public/<VERSION>/ucd/UnicodeData.txt
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#
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# If executed as a script, it will generate the contents of the file
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# `src/base/unicode/tolower_data.h`.
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import unicode
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def generate_cases():
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ud = unicode.data()
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return [(unicode.unhex(u["Value"]), unicode.unhex(u["Simple_Lowercase_Mapping"])) for u in ud if u["Simple_Lowercase_Mapping"]]
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def main():
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cases = generate_cases()
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print("""\
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#include <stdint.h>
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struct UPPER_LOWER
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{{
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\tint32_t upper;
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\tint32_t lower;
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}};
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enum
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{{
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\tNUM_TOLOWER={},
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}};
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static const struct UPPER_LOWER tolower[NUM_TOLOWER] = {{""".format(len(cases)))
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for upper_code, lower_code in cases:
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print("\t{{{}, {}}},".format(upper_code, lower_code))
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print("};")
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if __name__ == '__main__':
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main()
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