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/** (c) Nullsoft, Inc. C O N F I D E N T I A L
** Filename:
** Project:
** Description:
** Author: Ben Allison benski@nullsoft.com
** Created:
**/
#include <windows.h>
#include <shlwapi.h>
#include <strsafe.h>
#include <shlobj.h>
#include <shellapi.h>
#include "../Winamp/in2.h"
extern In_Module mod;
#ifdef __cplusplus
extern "C" BOOL UtilGetSpecialFolderPath(HWND hwnd, TCHAR *path, int folder)
#else
BOOL UtilGetSpecialFolderPath(HWND hwnd, TCHAR *path, int folder)
#endif
{
ITEMIDLIST *pidl; // Shell Item ID List ptr
IMalloc *imalloc; // Shell IMalloc interface ptr
BOOL result; // Return value
if (SHGetSpecialFolderLocation(hwnd, folder, &pidl) != NOERROR)
return FALSE;
result = SHGetPathFromIDList (pidl, path);
if (SHGetMalloc (&imalloc) == NOERROR)
{
#ifdef __cplusplus
imalloc->Free(pidl);
imalloc->Release();
#else
imalloc->lpVtbl->Free(imalloc, pidl);
imalloc->lpVtbl->Release(imalloc);
#endif
}
return result;
}
/*
This ugly function converts our specially coded paths
environment variables are surrounded with %'s and CSIDLs are surrounded with {}
note that CSIDLs need to be DECIMAL!
*/
#ifdef __cplusplus
extern "C" void ResolveEnvironmentVariables2(wchar_t *string, wchar_t *destString, size_t stringSize)
#else
void ResolveEnvironmentVariables2(TCHAR *string, TCHAR *destString, size_t stringSize)
#endif
{
//char *saveStart = string;
wchar_t *p = string;
int inPercent = 0, inBrace = 0;
wchar_t environString[MAX_PATH] = {0};
wchar_t *dest = destString;
wchar_t helper[MAX_PATH] = {0};
wchar_t *pEnv = environString;
*dest = 0;
while (p && *p)
{
if (*p == L'%')
{
if (inPercent)
{
*pEnv = 0;
helper[0] = 0;
GetEnvironmentVariableW(environString, helper, MAX_PATH);
StringCchCatW(dest, stringSize, helper);
pEnv = environString;
string = CharNextW(p);
*p = 0;
p = string;
}
else
{
wchar_t *newP = CharNextW(p);
*p = 0;
StringCchCatW(dest, stringSize, string);
string = p = newP;
}
inPercent = !inPercent;
}
else if (*p == L'{')
{
if (inPercent)
{
ptrdiff_t count = CharNextW(p) - p;
while (count-- && (pEnv - environString) < MAX_PATH)
*pEnv++ = *p++;
}
else
{
wchar_t *newP = CharNextW(p);
*p = 0;
StringCchCatW(dest, stringSize, string);
string = p = newP;
inBrace = 1;
}
}
else if (*p == L'}')
{
if (inPercent)
{
ptrdiff_t count = CharNextW(p) - p;
while (count-- && (pEnv - environString) < MAX_PATH)
*pEnv++ = *p++;
}
*pEnv = 0;
//SHGetSpecialFolderPath(NULL, helper, atoi(environString), FALSE);
#if defined(UNICODE) || defined(_UNICODE)
SHGetSpecialFolderPath(NULL, helper, StrToInt(environString), FALSE);
//UtilGetSpecialFolderPath(NULL, helper, _wtoi(environString));
#else
SHGetSpecialFolderPathW(NULL, helper, StrToIntW(environString), FALSE);
//UtilGetSpecialFolderPath(NULL, helper, _aoi(environString));
#endif
StringCchCatW(dest, stringSize, helper);
pEnv = environString;
string = CharNextW(p);
*p = 0;
p = string;
inBrace = 0;
}
else
{
if (inPercent || inBrace)
{
ptrdiff_t count = CharNextW(p) - p;
while (count-- && (pEnv - environString) < MAX_PATH)
*pEnv++ = *p++;
}
else
p = CharNextW(p);
}
}
StringCchCatW(dest, stringSize, string);
}
#ifndef NO_INPLACE_RESOLVE
#include <malloc.h>
// call this function if you want to modify in-place
#include "main.h"
#ifdef __cplusplus
extern "C" void ResolveEnvironmentVariables(wchar_t *string, size_t stringSize) //
#else
void ResolveEnvironmentVariables(wchar_t *string, size_t stringSize) //
#endif
{
wchar_t *dest = (wchar_t *) alloca(stringSize * sizeof(dest[0]));
ResolveEnvironmentVariables2(string, dest, stringSize);
StringCchCopyW(string, stringSize, dest);
}
#endif
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