62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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/* ICU4C */
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#include <unicode/utypes.h>
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#include <unicode/ustring.h>
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#include <unicode/ucnv.h>
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#include <unicode/unorm2.h>
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#include "util.h"
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int main(int argc, char **argv)
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{
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int i;
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UErrorCode err;
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UConverter *uc = ucnv_open("UTF8", &err);
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if (U_FAILURE(err)) return EXIT_FAILURE;
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const UNormalizer2 *NFKC = unorm2_getNFKCInstance(&err);
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if (U_FAILURE(err)) return EXIT_FAILURE;
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for (i = 1; i < argc; ++i) {
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if (argv[i][0] == '-') {
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fprintf(stderr, "unrecognized option: %s\n", argv[i]);
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return EXIT_FAILURE;
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}
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size_t len;
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uint8_t *src = readfile(argv[i], &len);
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if (!src) {
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fprintf(stderr, "error reading %s\n", argv[i]);
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return EXIT_FAILURE;
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}
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/* convert UTF8 data to ICU's UTF16 */
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UChar *usrc = (UChar*) malloc(2*len * sizeof(UChar));
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ucnv_toUChars(uc, usrc, 2*len, (char*) src, len, &err);
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if (U_FAILURE(err)) return EXIT_FAILURE;
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size_t ulen = u_strlen(usrc);
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/* ICU's insane normalization API requires you to
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know the size of the destination buffer in advance,
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or alternatively to repeatly try normalizing and
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double the buffer size until it succeeds. Here, I just
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allocate a huge destination buffer to avoid the issue. */
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UChar *udest = (UChar*) malloc(10*ulen * sizeof(UChar));
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mytime start = gettime();
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for (int i = 0; i < 100; ++i) {
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unorm2_normalize(NFKC, usrc, ulen, udest, 10*ulen, &err);
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if (U_FAILURE(err)) return EXIT_FAILURE;
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}
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printf("%s: %g\n", argv[i], elapsed(gettime(), start) / 100);
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free(udest);
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free(usrc);
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free(src);
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}
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return EXIT_SUCCESS;
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}
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