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/*
* Media Service
*
* Copyright (c) 2010 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unicode/uchar.h>
#include <unicode/ustring.h>
#include <unicode/ucol.h>
#include "media-util-err.h"
#include "media-svc-debug.h"
#include "media-svc-localize-utils.h"
#define SAFE_STRLEN(src) ((src)?strlen(src):0)
int _media_svc_check_utf8(char c)
{
if ((c & 0xff) < (128 & 0xff))
return 1;
else if ((c & (char)0xe0) == (char)0xc0)
return 2;
else if ((c & (char)0xf0) == (char)0xe0)
return 3;
else if ((c & (char)0xf8) == (char)0xf0)
return 4;
else if ((c & (char)0xfc) == (char)0xf8)
return 5;
else if ((c & (char)0xfe) == (char)0xfc)
return 6;
else
return MS_MEDIA_ERR_INVALID_PARAMETER;
}
int SAFE_SNPRINTF(char **buf, int *buf_size, int len, const char *src)
{
int remain;
int temp_len;
if (len < 0)
return -1;
remain = *buf_size - len;
if (remain > strlen(src) + 1) {
temp_len = snprintf((*buf)+len, remain, "%s", src);
return temp_len;
}
else {
char *temp;
while(1) {
temp = realloc(*buf, *buf_size*2);
if (NULL == temp)
return -1;
*buf = temp;
*buf_size = *buf_size * 2;
remain = *buf_size - len;
if (remain > strlen(src) + 1)
break;
}
temp_len = snprintf((*buf)+len, remain, "%s", src);
return temp_len;
}
}
static int __media_svc_remove_special_char(const char *src, char *dest, int dest_size)
{
int s_pos=0, d_pos=0, char_type, src_size;
if (NULL == src) {
media_svc_error("The parameter(src) is NULL");
dest[d_pos] = '\0';
return 0;
}
src_size = strlen(src);
while (src[s_pos] != 0) {
char_type = _media_svc_check_utf8(src[s_pos]);
if (0 < char_type && char_type < dest_size - d_pos && char_type <= src_size - s_pos) {
memcpy(dest+d_pos, src+s_pos, char_type);
d_pos += char_type;
s_pos += char_type;
}
else {
media_svc_error("The parameter(src:%s) has invalid character set", src);
dest[d_pos] = '\0';
return MS_MEDIA_ERR_INVALID_PARAMETER;
}
}
dest[d_pos] = '\0';
return d_pos;
}
static inline int __media_svc_collation_str(const char *src, char **dest)
{
int32_t size = 0;
UErrorCode status = U_ZERO_ERROR;
UChar *tmp_result = NULL;
UCollator *collator;
char region[50] = {0};
char *lang = NULL;
//lang = vconf_get_str(VCONFKEY_LANGSET);
if(lang != NULL) {
if(strlen(lang) < 50) {
strncpy (region, lang, strlen(lang));
free(lang);
} else {
media_svc_error("Lang size error(%s)", lang);
free(lang);
}
} else {
strncpy(region, "en_US.UTF-8", strlen("en_US.UTF-8"));
}
char *dot = strchr(region, '.');
if (dot)
*dot = '\0';
collator = ucol_open(region, &status);
media_svc_retvm_if(U_FAILURE(status), MS_MEDIA_ERR_INTERNAL,
"ucol_open() Failed(%s)", u_errorName(status));
u_strFromUTF8(NULL, 0, &size, src, strlen(src), &status);
if (U_FAILURE(status) && status != U_BUFFER_OVERFLOW_ERROR) {
media_svc_error("u_strFromUTF8 to get the dest length Failed(%s)", u_errorName(status));
ucol_close(collator);
return MS_MEDIA_ERR_INTERNAL;
}
status = U_ZERO_ERROR;
tmp_result = calloc(1, sizeof(UChar) * (size + 1));
u_strFromUTF8(tmp_result, size + 1, NULL, src, -1, &status);
if (U_FAILURE(status)){
media_svc_error("u_strFromUTF8 Failed(%s)", u_errorName(status));
free(tmp_result);
ucol_close(collator);
return MS_MEDIA_ERR_INTERNAL;
}
size = ucol_getSortKey(collator, tmp_result, -1, NULL, 0);
*dest = calloc(1, sizeof(uint8_t) * (size + 1));
size = ucol_getSortKey(collator, tmp_result, -1, (uint8_t *)*dest, size + 1);
ucol_close(collator);
free(tmp_result);
return MS_MEDIA_ERR_NONE;
}
int _media_svc_collation_str(const char *src, char **dest)
{
int ret;
char temp[SAFE_STRLEN(src) + 1];
ret = __media_svc_remove_special_char(src, temp, sizeof(temp));
media_svc_retvm_if(ret < MS_MEDIA_ERR_NONE, ret, "__ctsvc_remove_special_char() Failed(%d)", ret);
return __media_svc_collation_str(temp, dest);
}
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