93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/*
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**********************************************************************
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* Copyright (c) 2003, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* Author: Alan Liu
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* Created: March 19 2003
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* Since: ICU 2.6
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**********************************************************************
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*/
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#include "unicode/ucat.h"
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#include "unicode/ustring.h"
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#include "cstring.h"
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#include "uassert.h"
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/* set_num key prefix string. msg_num key is simply a number. */
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static const char* SET_KEY_PREFIX = "%cat%";
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/* length of SET_KEY_PREFIX */
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#define SET_KEY_PREFIX_LEN 5
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/* Maximum length of a set_num/msg_num key, incl. terminating zero */
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#define MAX_KEY_LEN (SET_KEY_PREFIX_LEN+11)
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/**
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* Fill in buffer with a set_num/msg_num key string, given the numeric
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* value. Numeric value must be >= 0. Buffer must be of length
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* MAX_KEY_LEN or more. If isSet is true, then a set_num key is
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* created; otherwise a msg_num key is created.
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*/
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static char*
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_catkey(char* buffer, int32_t num, UBool isSet) {
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int32_t i = 0;
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U_ASSERT(num>=0);
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if (isSet) {
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uprv_strcpy(buffer, SET_KEY_PREFIX);
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i = SET_KEY_PREFIX_LEN;
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}
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T_CString_integerToString(buffer + i, num, 10);
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return buffer;
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}
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U_CAPI u_nl_catd U_EXPORT2
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u_catopen(const char* name, const char* locale, UErrorCode* ec) {
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return (u_nl_catd) ures_open(name, locale, ec);
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}
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U_CAPI void U_EXPORT2
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u_catclose(u_nl_catd catd) {
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ures_close((UResourceBundle*) catd); /* may be NULL */
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}
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U_CAPI const UChar* U_EXPORT2
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u_catgets(u_nl_catd catd, int32_t set_num, int32_t msg_num,
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const UChar* s,
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int32_t* len, UErrorCode* ec) {
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UResourceBundle* res;
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char key[MAX_KEY_LEN];
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const UChar* result;
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if (ec == NULL || U_FAILURE(*ec)) {
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goto ERROR;
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}
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res = ures_getByKey((const UResourceBundle*) catd,
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_catkey(key, set_num, TRUE),
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NULL, ec);
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if (U_FAILURE(*ec)) {
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goto ERROR;
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}
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result = ures_getStringByKey(res,
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_catkey(key, msg_num, FALSE),
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len, ec);
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ures_close(res);
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if (U_FAILURE(*ec)) {
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goto ERROR;
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}
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return result;
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ERROR:
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/* In case of any failure, return s */
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if (len != NULL) {
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*len = u_strlen(s);
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}
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return s;
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}
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/*eof*/
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