Ticket #677: padre.c

/**
 * Padre Minimal Win32 Executable Launcher
 * @author Olivier Mengué <dolmen@cpan.org>
 */
#define WIN32_LEAN_AND_MEAN
#define STRICT
#include <windows.h>
#include <tchar.h>


#include <EXTERN.h>               /* from the Perl distribution     */
#include <perl.h>                 /* from the Perl distribution     */

#include "padre-rc.h"


static void LocalizedMessageBox(LPCTSTR lpMessage, LPCTSTR lpTitle, DWORD dwFlags)
{
    HMODULE hModule;
    TCHAR szTitle[256];
    TCHAR szMessage[256];

    hModule = GetModuleHandle(NULL);
    if (IS_INTRESOURCE(lpMessage)) {
        LoadString(hModule, (UINT)lpMessage, szMessage, sizeof(szMessage)/sizeof(szMessage[0]));
        lpMessage = szMessage;
    }
    if (IS_INTRESOURCE(lpTitle)) {
        LoadString(hModule, (UINT)lpTitle, szTitle, sizeof(szTitle)/sizeof(szTitle[0]));
        lpTitle = szTitle;
    }
    MessageBox(NULL, lpMessage, lpTitle, dwFlags);
}

static BOOL FileExists(LPCTSTR lpFileName)
{
    DWORD att = GetFileAttributes(lpFileName);
    return (att != INVALID_FILE_ATTRIBUTES); //&& (att & (FILE_ATTRIBUTE_DEVICE|FILE_ATTRIBUTE_DIRECTORY) == 0);
}


/**
 * When called by windows, we simply launch Padre from here
 */
int
main(int argc, char **argv, char **env)
{
    // Padre.exe path
    TCHAR szExePath[MAX_PATH];
    // Padre script path
    static TCHAR szPadre[MAX_PATH];
    HMODULE hModule;
    DWORD dwLength;
    HANDLE hHeap;
    char **new_argv;
    int i;
    int r;

    hModule = GetModuleHandle(NULL);
    //Find the the executable's path
    dwLength = GetModuleFileName(hModule, szExePath, sizeof(szExePath)/sizeof(szExePath[0]));

    // Build the 'padre' script path
    if (dwLength) {
        lstrcpy(szPadre, szExePath);
        while (--dwLength) {
            if (szPadre[ dwLength ] == _T('\\') || szPadre[ dwLength ] == _T('/')) {
                dwLength++;
                break;
            }
        }
    }
    lstrcpy(&szPadre[dwLength], _T("padre"));
    //LocalizedMessageBox(szPadre, MAKEINTRESOURCE(IDS_APP_TITLE), MB_OK|MB_ICONINFORMATION);

    //At this point we should check if padre script exists or not
    if (! FileExists(szPadre)) {
        LocalizedMessageBox(MAKEINTRESOURCE(IDS_ERR_SCRIPT), MAKEINTRESOURCE(IDS_APP_TITLE), MB_OK|MB_ICONERROR);
        ExitProcess(1);
    }

    hHeap = GetProcessHeap();
    new_argv = HeapAlloc(hHeap, 0, (argc+2)*sizeof(new_argv[0]));
    new_argv[0] = argv[0];
    new_argv[1] = "--";
    new_argv[2] = szPadre;
    for(i=1; i<argc; i++)
        new_argv[i+2] = argv[i];
    argc += 2;

    r = RunPerl(argc, new_argv, env);

    HeapFree(hHeap, 0, new_argv);
    return r;
}
/**
# Copyright 2008-2009 The Padre development team as listed in Padre.pm.
# LICENSE
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl 5 itself.
*/
/* vim:set ts=4 sts=4 sw=4: */