aosp12/external/mdnsresponder/mDNSWindows/loclibrary.c

269 lines
6.4 KiB
C
Executable File

/* -*- Mode: C; tab-width: 4 -*-
*
* Copyright (c) 2002-2004 Apple Computer, Inc. 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.
*/
/* loclibrary.c
* ----------------------------------------------------------------------
* Source for localization library
* Originally created by jsantamaria: 3 may 2004
* ----------------------------------------------------------------------
*/
#include "DebugServices.h"
#include <windows.h>
#include <stdio.h>
#include "isocode.h"
#include "loclibrary.h"
#include "Shlwapi.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <wchar.h>
#ifdef __cplusplus
extern "c" {
#endif
#ifdef _MSC_VER
#define swprintf _snwprintf
#define snprintf _snprintf
#endif
#define DEFAULT_LANG_CODE "en"
// gets the user language
static LANGID _getUserLanguage( void ) {
return GetUserDefaultUILanguage();
}
// gets the ISO mapping
static int _getISOCode(LANGID wLangID, char *isoLangCode, int codeLen) {
int i;
unsigned short langCode;
for (i = 0; i < NUM_ISOCODES; i++) {
int startIndex = i * MODULO_ISOCODES;
langCode = (ISOCODES[startIndex] << 8);
langCode = langCode + ( (unsigned short) (ISOCODES[startIndex + 1]) );
if (langCode == wLangID) {
char *langStr = (char *)&(ISOCODES[startIndex+2]);
strncpy(isoLangCode, langStr, codeLen);
return 0;
}
}
return 1;
}
static char isoLangCode[LANG_CODE_LEN + 1] = "";
static LANGID wLangID = (LANGID) -1;
static void _setLanguageIfNeeded(void) {
// get the language code if we don't have it cached
if (!strncmp(isoLangCode,"",LANG_CODE_LEN + 1)) {
// if we haven't cached the language id, do the lookup
if (wLangID == (LANGID) -1) {
wLangID = _getUserLanguage();
}
// if no ISOCode, set it to DEFAULT_LANG_CODE
if (_getISOCode(wLangID, isoLangCode, LANG_CODE_LEN + 1)) {
strncpy(isoLangCode, DEFAULT_LANG_CODE, LANG_CODE_LEN+1);
}
}
}
//// PathForResource
// Gets the PathForResource for handle 0 for the current process
static char appPathNameA[MAX_PATH] = "";
int PathForResourceA ( HMODULE module, const char *name, char *locFile, int locFileLen)
{
int ret = 0;
if ( !strcmp( appPathNameA, "" ) )
{
char folder[MAX_PATH];
char * ext;
char * app;
GetModuleFileNameA( module, folder, MAX_PATH );
// Get folder string
app = strrchr( folder, '\\' );
require_action( app, exit, ret = 0 );
*app++ = '\0';
// Strip the extension
if ( ( ( ext = strstr( app, ".exe" ) ) != NULL ) || ( ( ext = strstr( app, ".dll" ) ) != NULL ) )
{
*ext = '\0';
}
snprintf( appPathNameA, MAX_PATH, "%s\\%s", folder, app );
}
ret = PathForResourceWithPathA (appPathNameA, name, locFile, locFileLen);
exit:
return ret;
}
static wchar_t appPathNameW[MAX_PATH] = L"";
int PathForResourceW ( HMODULE module, const wchar_t *name, wchar_t *locFile, int locFileLen)
{
int ret = 0;
if ( !wcscmp( appPathNameW, L"" ) )
{
wchar_t folder[MAX_PATH];
wchar_t * app;
wchar_t * ext;
GetModuleFileNameW( module, folder, MAX_PATH);
// Get folder string
app = wcsrchr( folder, '\\' );
require_action( app, exit, ret = 0 );
*app++ = '\0';
// Strip the extension
if ( ( ( ext = wcsstr( app, L".exe" ) ) != NULL ) || ( ( ext = wcsstr( app, L".dll" ) ) != NULL ) )
{
*ext = '\0';
}
swprintf( appPathNameW, MAX_PATH, L"%ls\\%ls", folder, app );
}
ret = PathForResourceWithPathW (appPathNameW, name, locFile, locFileLen);
exit:
return ret;
}
//// PathForResourceWithPath
#define TMP_BUF_SIZE MAX_PATH
int PathForResourceWithPathA (const char *path, const char *nm,
char *locFile, int locFileLen) {
char tmpBuffer[TMP_BUF_SIZE];
// build the path to the executable in the generic
// resources folder, check there first
snprintf(tmpBuffer, MAX_PATH, "%s.Resources\\%s", path, nm);
if (!PathFileExistsA(tmpBuffer)) {
// didn't hit generic resource folder, so need to get language codes
_setLanguageIfNeeded();
// test to see if localized directory exists,
// if so, we don't fall back if we don't find the file.
snprintf(tmpBuffer, TMP_BUF_SIZE,
"%s.Resources\\%s.lproj", path, isoLangCode);
if (PathFileExistsA(tmpBuffer)) {
snprintf(tmpBuffer, TMP_BUF_SIZE, "%s\\%s", tmpBuffer, nm);
if (!PathFileExistsA(tmpBuffer)) return 0;
strncpy(locFile, tmpBuffer, locFileLen);
return (int) strlen(locFile);
}
// fall back on DEFAULT_LANG_CODE if still no good
snprintf(tmpBuffer, TMP_BUF_SIZE, "%s.Resources\\%s.lproj\\%s",
path, DEFAULT_LANG_CODE, nm);
// we can't find the resource, so return 0
if (!PathFileExistsA(tmpBuffer)) return 0;
}
strncpy(locFile, tmpBuffer, locFileLen);
return (int) strlen(locFile);
}
int PathForResourceWithPathW (const wchar_t *path, const wchar_t *nm,
wchar_t *locFile, int locFileLen) {
wchar_t tmpBuffer[TMP_BUF_SIZE];
// build the path to the executable in the generic
// resources folder, check there first
swprintf(tmpBuffer, TMP_BUF_SIZE, L"%ls.Resources\\%ls", path, nm);
if (!PathFileExistsW(tmpBuffer)) {
// didn't hit generic resource folder, so need to get language codes
_setLanguageIfNeeded();
// test to see if localized directory exists,
// if so, we don't fall back if we don't find the file.
swprintf(tmpBuffer, TMP_BUF_SIZE,
L"%ls.Resources\\%S.lproj", path, isoLangCode);
if (PathFileExistsW(tmpBuffer)) {
swprintf(tmpBuffer, TMP_BUF_SIZE, L"%ls\\%ls", tmpBuffer, nm);
if (!PathFileExistsW(tmpBuffer)) return 0;
wcsncpy(locFile, tmpBuffer, locFileLen);
return (int) wcslen(locFile);
}
// fall back on DEFAULT_LANG_CODE if still no good
swprintf(tmpBuffer, TMP_BUF_SIZE, L"%ls.Resources\\%S.lproj\\%ls",
path, DEFAULT_LANG_CODE, nm);
// we can't find the resource, so return 0
if (!PathFileExistsW(tmpBuffer)) return 0;
}
wcsncpy(locFile, tmpBuffer, locFileLen);
return (int) wcslen(locFile);
}
#ifdef __cplusplus
}
#endif