mirror of
https://github.com/owntone/owntone-server.git
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111 lines
2.7 KiB
C++
111 lines
2.7 KiB
C++
/*
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*(C) 2006 Roku LLC
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License Version 2 as published
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* by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* without any warranty; without even the implied warranty of
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* merchantability or fitness for a particular purpose. See the GNU General
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* Public License for more details.
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*
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* Please read README.txt in the same directory as this source file for
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* further license information.
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*/
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#include "stdafx.h"
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#include "VersionInfo.h"
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bool VersionInfo::Open(const TCHAR *filename)
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{
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Close();
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DWORD useless;
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m_size = GetFileVersionInfoSize(filename, &useless);
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if (m_size)
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{
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m_buffer = operator new(m_size);
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::ZeroMemory(m_buffer, m_size);
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if (GetFileVersionInfo(filename, 0, static_cast<DWORD>(m_size), m_buffer))
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{
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return IdentifySubBlock();
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}
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else
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Close();
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}
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return false;
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}
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bool VersionInfo::IdentifySubBlock()
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{
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m_subblock.Empty();
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WORD required_langid = LANGIDFROMLCID(GetUserDefaultLCID());
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UINT cbTranslate;
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struct LANGANDCODEPAGE
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{
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WORD wLanguage;
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WORD wCodePage;
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} *lpTranslate;
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if (VerQueryValue(m_buffer, _T("\\VarFileInfo\\Translation"),
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reinterpret_cast<LPVOID*>(&lpTranslate),
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&cbTranslate))
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{
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// Try and find the user's language, but if we can't then just use the
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// first one in the file.
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int lang_index = -1;
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for(unsigned i=0; i < (cbTranslate/sizeof(struct LANGANDCODEPAGE)); i++ )
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{
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// If we have an exact match then great.
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if (lpTranslate[i].wLanguage == required_langid)
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{
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lang_index = i;
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break;
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}
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// Otherwise settle for a primary language match and keep looking
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else if ((PRIMARYLANGID(lpTranslate[i].wLanguage) == PRIMARYLANGID(required_langid)) && (lang_index < 0))
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{
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lang_index = i;
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}
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}
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if (lang_index < 0)
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{
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ATLTRACE("Failed to find a matching language. Just using the first one.\n");
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lang_index = 0;
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}
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m_subblock.Format(_T("\\StringFileInfo\\%04x%04x\\"), lpTranslate[lang_index].wLanguage, lpTranslate[lang_index].wCodePage);
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return true;
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}
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return false;
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}
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void VersionInfo::Close()
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{
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if (m_buffer)
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{
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delete m_buffer;
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m_buffer = NULL;
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}
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}
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CString VersionInfo::GetString(const TCHAR *name) const
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{
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CString path = m_subblock + name;
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LPVOID buffer;
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UINT cb;
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if (VerQueryValue(m_buffer, const_cast<LPTSTR>(static_cast<LPCTSTR>(path)), &buffer, &cb))
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{
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return CString(static_cast<LPCTSTR>(buffer), cb);
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}
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return CString();
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}
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//CString VersionInfo::GetStringFileVersion()
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//{
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// VerQueryValue(m_buffer,
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//}
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