mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-14 19:50:12 +01:00
154 lines
4.0 KiB
C++
154 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "windows.h"
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DWORD GetPluginsDir(char * path, DWORD maxsize)
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{
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if(!path)
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return 0;
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path[0] = '\0';
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DWORD res = GetModuleFileName(NULL, path, maxsize);
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if(res == 0)
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return 0;
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if(path[strlen(path) - 1] == '\\')
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path[lstrlen(path) - 1] = '\0';
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char *p = strrchr(path, '\\');
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if(p)
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*p = '\0';
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strcat(path, "\\plugins");
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res = strlen(path);
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return res;
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}
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HINSTANCE LoadRealPlugin(char * mimetype)
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{
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if(!mimetype || !strlen(mimetype))
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return NULL;
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BOOL bDone = FALSE;
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WIN32_FIND_DATA ffdataStruct;
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char szPath[_MAX_PATH];
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char szFileName[_MAX_PATH];
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GetPluginsDir(szPath, _MAX_PATH);
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strcpy(szFileName, szPath);
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strcat(szFileName, "\\00*");
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HANDLE handle = FindFirstFile(szFileName, &ffdataStruct);
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if(handle == INVALID_HANDLE_VALUE) {
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FindClose(handle);
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return NULL;
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}
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DWORD versize = 0L;
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DWORD zero = 0L;
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char * verbuf = NULL;
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do {
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strcpy(szFileName, szPath);
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strcat(szFileName, "\\");
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strcat(szFileName, ffdataStruct.cFileName);
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if(!(ffdataStruct. dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
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versize = GetFileVersionInfoSize(szFileName, &zero);
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if (versize > 0)
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verbuf = new char[versize];
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else
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continue;
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if(!verbuf)
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continue;
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GetFileVersionInfo(szFileName, NULL, versize, verbuf);
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char *mimetypes = NULL;
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UINT len = 0;
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if(!VerQueryValue(verbuf, "\\StringFileInfo\\040904E4\\MIMEType", (void **)&mimetypes, &len)
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|| !mimetypes || !len) {
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delete [] verbuf;
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continue;
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}
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// browse through a string of mimetypes
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mimetypes[len] = '\0';
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char * type = mimetypes;
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BOOL more = TRUE;
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while(more) {
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char * p = strchr(type, '|');
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if(p)
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*p = '\0';
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else
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more = FALSE;
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if(0 == stricmp(mimetype, type)) {
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// this is it!
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delete [] verbuf;
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FindClose(handle);
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HINSTANCE hLib = LoadLibrary(szFileName);
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return hLib;
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}
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type = p;
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type++;
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}
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delete [] verbuf;
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}
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} while(FindNextFile(handle, &ffdataStruct));
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FindClose(handle);
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return NULL;
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}
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void UnloadRealPlugin(HINSTANCE hLib)
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{
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if(!hLib)
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FreeLibrary(hLib);
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}
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