gecko/other-licenses/nsis/Contrib/ExDLL/exdllutil.cpp

132 lines
3.6 KiB
C++

// Unicode support by Jim Park -- 08/23/2007
#include <windows.h>
#include "exdllutil.h"
// utility functions (not required but often useful)
static int __stdcall popstring(TCHAR *str)
{
stack_t *th;
if (!g_stacktop || !*g_stacktop) return 1;
th=(*g_stacktop);
lstrcpy(str,th->text);
*g_stacktop = th->next;
GlobalFree((HGLOBAL)th);
return 0;
}
static void __stdcall pushstring(const TCHAR *str)
{
stack_t *th;
if (!g_stacktop) return;
th=(stack_t*)GlobalAlloc(GPTR,(sizeof(stack_t)+(g_stringsize)*sizeof(TCHAR)));
lstrcpyn(th->text,str,g_stringsize);
th->next=*g_stacktop;
*g_stacktop=th;
}
static TCHAR * __stdcall getuservariable(const int varnum)
{
if (varnum < 0 || varnum >= __INST_LAST) return NULL;
return g_variables+varnum*g_stringsize;
}
static void __stdcall setuservariable(const int varnum, const TCHAR *var)
{
if (var != NULL && varnum >= 0 && varnum < __INST_LAST)
lstrcpy(g_variables + varnum*g_stringsize, var);
}
#ifdef _UNICODE
static int __stdcall PopStringA(char* ansiStr)
{
wchar_t* wideStr = (wchar_t*) GlobalAlloc(GPTR, g_stringsize*sizeof(wchar_t));
int rval = popstring(wideStr);
WideCharToMultiByte(CP_ACP, 0, wideStr, -1, ansiStr, g_stringsize, NULL, NULL);
GlobalFree((HGLOBAL)wideStr);
return rval;
}
static void __stdcall PushStringA(const char* ansiStr)
{
wchar_t* wideStr = (wchar_t*) GlobalAlloc(GPTR, g_stringsize*sizeof(wchar_t));
MultiByteToWideChar(CP_ACP, 0, ansiStr, -1, wideStr, g_stringsize);
pushtring(wideStr);
GlobalFree((HGLOBAL)wideStr);
return;
}
static void __stdcall GetUserVariableW(const int varnum, wchar_t* wideStr)
{
lstrcpyW(wideStr, getuservariable(varnum));
}
static void __stdcall GetUserVariableA(const int varnum, char* ansiStr)
{
wchar_t* wideStr = getuservariable(varnum);
WideCharToMultiByte(CP_ACP, 0, wideStr, -1, ansiStr, g_stringsize, NULL, NULL);
}
static void __stdcall SetUserVariableA(const int varnum, const char* ansiStr)
{
if (ansiStr != NULL && varnum >= 0 && varnum < __INST_LAST)
{
wchar_t* wideStr = g_variables + varnum * g_stringsize;
MultiByteToWideChar(CP_ACP, 0, ansiStr, -1, wideStr, g_stringsize);
}
}
#else
// ANSI defs
static int __stdcall PopStringW(wchar_t* wideStr)
{
char* ansiStr = (char*) GlobalAlloc(GPTR, g_stringsize);
int rval = popstring(ansiStr);
MultiByteToWideChar(CP_ACP, 0, ansiStr, -1, wideStr, g_stringsize);
GlobalFree((HGLOBAL)ansiStr);
return rval;
}
static void __stdcall PushStringW(wchar_t* wideStr)
{
char* ansiStr = (char*) GlobalAlloc(GPTR, g_stringsize);
WideCharToMultiByte(CP_ACP, 0, wideStr, -1, ansiStr, g_stringsize, NULL, NULL);
pushstring(ansiStr);
GlobalFree((HGLOBAL)ansiStr);
}
static void __stdcall GetUserVariableW(const int varnum, wchar_t* wideStr)
{
char* ansiStr = getuservariable(varnum);
MultiByteToWideChar(CP_ACP, 0, ansiStr, -1, wideStr, g_stringsize);
}
static void __stdcall GetUserVariableA(const int varnum, char* ansiStr)
{
lstrcpyA(ansiStr, getuservariable(varnum));
}
static void __stdcall SetUserVariableW(const int varnum, const wchar_t* wideStr)
{
if (wideStr != NULL && varnum >= 0 && varnum < __INST_LAST)
{
char* ansiStr = g_variables + varnum * g_stringsize;
WideCharToMultiByte(CP_ACP, 0, wideStr, -1, ansiStr, g_stringsize, NULL, NULL);
}
}
#endif
static BOOL __stdcall IsUnicode(void)
{
#ifdef _UNICODE
return TRUE;
#else
return FALSE;
#endif
}
static TCHAR* __stdcall AllocString()
{
return (TCHAR*) GlobalAlloc(GPTR, g_stringsize*sizeof(TCHAR));
}