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/** BEGIN COPYRIGHT BLOCK
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "i18n.h"
#include "getstrmem.h"
#include "coreres.h"
Resource *hResource = NULL;
char empty_string[] = "";
char*
XP_GetStringFromMemory(char* strLibraryName,int iToken);
void
XP_InitStringDatabase(char* pathCWD, char* databaseName)
{
hResource = core_res_init_resource (pathCWD, databaseName);
}
char *XP_GetPropertyString(char* strLibraryName,int iToken, ACCEPT_LANGUAGE_LIST lang)
{
char *key_name;
char *result = NULL;
if (hResource == NULL)
return NULL;
/*creating the key*/
key_name=(char*)malloc(strlen(strLibraryName) + 10);
sprintf(key_name, "%s-%d", strLibraryName, iToken);
if(key_name == NULL)
return NULL;
result = (char *) core_res_getstring(hResource, key_name, lang) ;
if (key_name)
free (key_name);
if (result == NULL)
return empty_string;
else
return result ;
}
char*
XP_GetStringFromDatabase(char* strLibraryName,
char* strLanguage,
int key)
{
char *result = NULL;
ACCEPT_LANGUAGE_LIST alanglist;
int n;
/*
* display first choice language if available, otherwise
* use default which is english in most case
*/
if (hResource) {
n = XP_AccLangList (strLanguage, alanglist);
if (n >= MAX_ACCEPT_LANGUAGE)
alanglist[MAX_ACCEPT_LANGUAGE-1][0] = '\0';
else
alanglist[n][0] = '\0';
result = XP_GetPropertyString(strLibraryName, key, alanglist);
}
/* we should never come here. */
if (result == NULL)
result = XP_GetStringFromMemory(strLibraryName,key);
return result;
}
char*
XP_GetStringFromMemory(char* strLibraryName,int iToken)
{
/*
* In memory model called by XP_GetStringFromDatabase
* does not use database (nsres, et al.).
*
* This function uses hash table for library lookup
* and direct lookup for string.
*
* This function is thread safe.
*/
unsigned hashKey;
int found = 0;
unsigned uToken = iToken;
char* cPtr;
DATABIN* pBucket;
/* calculate hash key */
hashKey = 0;
cPtr = strLibraryName;
while (*cPtr) {
hashKey += *(cPtr++);
}
hashKey &= BUCKET_MASK;
/* get bucket for this hash key */
pBucket = buckets[hashKey];
/* search overflow buckets */
while (*(pBucket->pLibraryName)!='\0') {
if (strcmp(pBucket->pLibraryName,strLibraryName)==0) {
found = 1;
break;
}
pBucket++;
}
if (!found) {
return emptyString;
}
if (uToken<=pBucket->numberOfStringsInLibrary) {
return pBucket->pArrayOfLibraryStrings[uToken];
} else {
/* string token out of range */
return emptyString;
}
}
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