source: trunk/src/setupapi/infparse.c@ 7029

/*
 * SetupX .inf file parsing functions
 *
 * FIXME:
 * - return values ???
 * - this should be reimplemented at some point to have its own
 *   file parsing instead of using profile functions,
 *   as some SETUPX exports probably demand that
 *   (IpSaveRestorePosition, IpFindNextMatchLine, ...).
 */

#include "debugtools.h"
#include "windef.h"
#include "winbase.h"
#include "heap.h"
#include "wine/winbase16.h"
#include "setupx16.h"
#include "setupx_private.h"

DEFAULT_DEBUG_CHANNEL(setupx);

WORD InfNumEntries = 0;
INF_FILE *InfList = NULL;
HINF16 IP_curr_handle = 0;

RETERR16 IP_OpenInf(LPCSTR lpInfFileName, HINF16 *lphInf)
{
    HFILE hFile = _lopen(lpInfFileName, OF_READ);

    if (!lphInf)
        return IP_ERROR;

    /* this could be improved by checking for already freed handles */
    if (IP_curr_handle == 0xffff) 
        return ERR_IP_OUT_OF_HANDLES; 

    if (hFile != HFILE_ERROR)
    {
        InfList = HeapReAlloc(GetProcessHeap(), 0, InfList, InfNumEntries+1);
        InfList[InfNumEntries].hInf = IP_curr_handle++;
        InfList[InfNumEntries].hInfFile = hFile;
        InfList[InfNumEntries].lpInfFileName = HeapAlloc( GetProcessHeap(), 0,
                                                          strlen(lpInfFileName)+1);
        strcpy( InfList[InfNumEntries].lpInfFileName, lpInfFileName );
        *lphInf = InfList[InfNumEntries].hInf;
        InfNumEntries++;
        TRACE("ret handle %d.\n", *lphInf);
        return OK;
    }
    *lphInf = 0xffff;
    return ERR_IP_INVALID_INFFILE;
}

BOOL IP_FindInf(HINF16 hInf, WORD *ret)
{
    WORD n;

    for (n=0; n < InfNumEntries; n++)
        if (InfList[n].hInf == hInf)
        {
            *ret = n;
            return TRUE;
        }
    return FALSE;
}
        

LPCSTR IP_GetFileName(HINF16 hInf)
{
    WORD n;
    if (IP_FindInf(hInf, &n))
    {
        return InfList[n].lpInfFileName;
    }
    return NULL;
}

RETERR16 IP_CloseInf(HINF16 hInf)
{
    int i;
    WORD n;
    RETERR16 res = ERR_IP_INVALID_HINF;

    if (IP_FindInf(hInf, &n))
    {
        _lclose(InfList[n].hInfFile);
        HeapFree(GetProcessHeap(), 0, InfList[n].lpInfFileName);
        for (i=n; i < InfNumEntries-1; i++)
            InfList[i] = InfList[i+1];
        InfNumEntries--;
        InfList = HeapReAlloc(GetProcessHeap(), 0, InfList, InfNumEntries);
        res = OK;
    }
    return res;
}

/***********************************************************************
 *              IpOpen16
 *
 */
RETERR16 WINAPI IpOpen16(LPCSTR lpInfFileName, HINF16 *lphInf)
{
    TRACE("('%s', %p)\n", lpInfFileName, lphInf);
    return IP_OpenInf(lpInfFileName, lphInf);
}

/***********************************************************************
 *              IpClose16
 */
RETERR16 WINAPI IpClose16(HINF16 hInf)
{
    return IP_CloseInf(hInf);
}

/***********************************************************************
 *              IpGetProfileString16
 */
RETERR16 WINAPI IpGetProfileString16(HINF16 hInf, LPCSTR section, LPCSTR entry, LPSTR buffer, WORD buflen) 
{
    TRACE("'%s': section '%s' entry '%s'\n", IP_GetFileName(hInf), section, entry);
    GetPrivateProfileStringA(section, entry, "", buffer, buflen, IP_GetFileName(hInf));
    return 0;
}