D:/opendownloadmanager/ODM-1.x/vmsMozillaPrefs.cpp

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/*
  Free Download Manager Copyright (c) 2003-2007 FreeDownloadManager.ORG
  Open Download Manager Copyright (c) 2008-2010 OpenDownloadManager.ORG
*/        

#include "stdafx.h"
#include "vmsMozillaPrefs.h"        

vmsMozillaPrefs::vmsMozillaPrefs()
{

}

vmsMozillaPrefs::~vmsMozillaPrefs()
{

}

bool vmsMozillaPrefs::LoadPrefs(LPCSTR pszFile)
{
        Free ();

        HANDLE hFile = CreateFile (pszFile, GENERIC_READ, FILE_SHARE_READ, NULL, 
                OPEN_EXISTING, 0, NULL);
        if (hFile == INVALID_HANDLE_VALUE)
                return false;
        
        int n = GetFileSize (hFile, NULL);
        m_strPrefs.pszString = new char [n+1];

        DWORD dw;
        ReadFile (hFile, m_strPrefs.pszString, n, &dw, NULL);
        m_strPrefs.pszString [n] = 0;

        CloseHandle (hFile);

        return true;
}

void vmsMozillaPrefs::Free()
{
        if (m_strPrefs.pszString) {
                delete [] m_strPrefs.pszString;
                m_strPrefs.pszString = 0;
        }
}

fsString vmsMozillaPrefs::get_Value(LPCSTR pszPrefName) const
{
        LPCSTR pszPrefs = m_strPrefs.pszString;

        fsString strPrefName; 
        strPrefName = "\""; 
        strPrefName += pszPrefName;
        strPrefName += "\""; 

        while (*pszPrefs && strnicmp (pszPrefs, strPrefName, strPrefName.Length ()))
                pszPrefs++;

        if (*pszPrefs == 0)
                return MOZILLAPREFS_VALUE_NOT_FOUND;

        pszPrefs += strPrefName.Length ();
        
        
        while (*pszPrefs && *pszPrefs != ',')
                pszPrefs++;

        if (*pszPrefs == 0)
                return MOZILLAPREFS_UNEXPECTED_ERROR;
        
        pszPrefs++;
        while (*pszPrefs == ' ' || *pszPrefs == '\t')
                pszPrefs++;

        bool bInQ = false; 
        if (*pszPrefs == '"') {
                pszPrefs++;
                bInQ = true;
        }

        fsString strValue;
        
        if (bInQ)
        {
                while (*pszPrefs && *pszPrefs != '"')
                {
                        char c = *pszPrefs++;
                        
                        if (c == '\\')
                        {
                                switch (*pszPrefs)
                                {
                                case 'n': c = '\n'; break;
                                case 't': c = '\t'; break;
                                case 'r': c = '\r'; break;
                                default: c = *pszPrefs; break;
                                }

                                pszPrefs++;
                        }

                        strValue += c;
                }
        }
        else
        {
                while (IsCharAlphaNumeric (*pszPrefs))
                        strValue += *pszPrefs++;
        }

        return strValue;
}

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