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Get rid of code taken from bionic to avoid license issue. 

Change-Id: If96f4247edbc7b1e9f7418d2ddef191618a54ae3
main
Ken Wakasa 2010-04-23 01:24:09 +09:00
parent 707505ec18
commit f1abb8ce3c
1 changed files with 13 additions and 20 deletions
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33
native/src/char_utils.cpp
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@ -14,7 +14,7 @@
* limitations under the License.
*/
#include <sys/types.h>
#include <stdlib.h>
namespace latinime {
@ -27,7 +27,7 @@ struct LatinCapitalSmallPair {
//
// 1. Run the following code. Bascially taken from
// Dictionary::toLowerCase(unsigned short c) in dictionary.cpp.
// Then, get the list of chars where ccc != ccc2 above.
// Then, get the list of chars where cc != ccc.
//
// unsigned short c, cc, ccc, ccc2;
// for (c = 0; c < 0xFFFF ; c++) {
@ -882,25 +882,18 @@ static const struct LatinCapitalSmallPair SORTED_CHAR_MAP[] = {
{ 0xFF3A, 0xFF5A } // FULLWIDTH LATIN CAPITAL LETTER Z
};
unsigned short latin_tolower(unsigned short c0) {
const struct LatinCapitalSmallPair *p;
const struct LatinCapitalSmallPair *base = SORTED_CHAR_MAP;
int c = c0;
int lim, cmp;
const size_t nmemb = sizeof(SORTED_CHAR_MAP) / sizeof(SORTED_CHAR_MAP[0]);
// Binary search: Taken from bionic
for (lim = nmemb; lim != 0; lim >>= 1) {
p = base + (lim >> 1);
cmp = c - (int)p->capital;
if (cmp == 0)
return p->small;
if (cmp > 0) { /* key > p: move right */
base = p + 1;
lim--;
} /* else move left */
static int compare_pair_capital(const void *a, const void *b) {
return (int)(*(unsigned short *)a)
- (int)((struct LatinCapitalSmallPair*)b)->capital;
}
return c0;
unsigned short latin_tolower(unsigned short c) {
struct LatinCapitalSmallPair *p =
(struct LatinCapitalSmallPair *)bsearch(&c, SORTED_CHAR_MAP,
sizeof(SORTED_CHAR_MAP) / sizeof(SORTED_CHAR_MAP[0]),
sizeof(SORTED_CHAR_MAP[0]),
compare_pair_capital);
return p ? p->small : c;
}
} // namespace latinime