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// Unicode support added by Jim Park -- 07/27/2007
// Unicode support requires that all plugins take TCHARs instead as well. This
// means existing plugins will not work for the Unicode version of NSIS unless
// recompiled. You have been warned.
#ifndef _EXDLL_H_
#define _EXDLL_H_
#include <windows.h>
#include "tchar.h"
#if defined(__GNUC__)
#define UNUSED __attribute__((unused))
#else
#define UNUSED
#endif
// only include this file from one place in your DLL.
// (it is all static, if you use it in two places it will fail)
#define EXDLL_INIT() { \
g_stringsize=string_size; \
g_stacktop=stacktop; \
g_variables=variables; }
// For page showing plug-ins
#define WM_NOTIFY_OUTER_NEXT (WM_USER+0x8)
#define WM_NOTIFY_CUSTOM_READY (WM_USER+0xd)
/* Jim Park: This char is compared as an int value and therefore
it's fine as an ASCII. Do not need to change to wchar_t since
it will get the same integer value. */
#define NOTIFY_BYE_BYE _T('x')
typedef struct _stack_t {
struct _stack_t *next;
TCHAR text[1]; // this should be the length of string_size
} stack_t;
static unsigned int g_stringsize;
static stack_t **g_stacktop;
static TCHAR *g_variables;
static int __stdcall popstring(TCHAR *str) UNUSED; // 0 on success, 1 on empty stack
static void __stdcall pushstring(const TCHAR *str) UNUSED;
static TCHAR * __stdcall getuservariable(const int varnum) UNUSED;
static void __stdcall setuservariable(const int varnum, const TCHAR *var) UNUSED;
enum
{
INST_0, // $0
INST_1, // $1
INST_2, // $2
INST_3, // $3
INST_4, // $4
INST_5, // $5
INST_6, // $6
INST_7, // $7
INST_8, // $8
INST_9, // $9
INST_R0, // $R0
INST_R1, // $R1
INST_R2, // $R2
INST_R3, // $R3
INST_R4, // $R4
INST_R5, // $R5
INST_R6, // $R6
INST_R7, // $R7
INST_R8, // $R8
INST_R9, // $R9
INST_CMDLINE, // $CMDLINE
INST_INSTDIR, // $INSTDIR
INST_OUTDIR, // $OUTDIR
INST_EXEDIR, // $EXEDIR
INST_LANG, // $LANGUAGE
__INST_LAST
};
typedef struct {
int autoclose;
int all_user_var;
int exec_error;
int abort;
int exec_reboot;
int reboot_called;
int XXX_cur_insttype; // deprecated
int XXX_insttype_changed; // deprecated
int silent;
int instdir_error;
int rtl;
int errlvl;
int alter_reg_view;
int status_update;
} exec_flags_type;
typedef struct {
exec_flags_type *exec_flags;
int (__stdcall *ExecuteCodeSegment)(int, HWND);
void (__stdcall *validate_filename)(TCHAR *);
} extra_parameters;
// 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
#define PopStringW(x) popstring(x)
#define PushStringW(x) pushstring(x)
#define SetUserVariableW(x,y) setuservariable(x,y)
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);
pushstring(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
#define PopStringA(x) popstring(x)
#define PushStringA(x) pushstring(x)
#define SetUserVariableA(x,y) setuservariable(x,y)
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
}
#endif//_EXDLL_H_
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