gecko-dev/toolkit/xre/nsWindowsWMain.cpp

117 строки
2.5 KiB
C++

// This file is a .cpp file meant to be included in nsBrowserApp.cpp and other
// similar bootstrap code. It converts wide-character windows wmain into UTF-8
// narrow-character strings.
#ifndef XP_WIN
#error This file only makes sense on Windows.
#endif
#include "nsUTF8Utils.h"
#ifdef __MINGW32__
/* MingW currently does not implement a wide version of the
startup routines. Workaround is to implement something like
it ourselves. See bug 411826 */
#include <shellapi.h>
int wmain(int argc, WCHAR **argv);
int main(int argc, char **argv)
{
LPWSTR commandLine = GetCommandLineW();
int argcw = 0;
LPWSTR *argvw = CommandLineToArgvW(commandLine, &argcw);
if (!argvw)
return 127;
int result = wmain(argcw, argvw);
LocalFree(argvw);
return result;
}
#endif /* __MINGW32__ */
#define main NS_internal_main
int main(int argc, char **argv);
static char*
AllocConvertUTF16toUTF8(const WCHAR *arg)
{
// be generous... UTF16 units can expand up to 3 UTF8 units
int len = wcslen(arg);
char *s = new char[len * 3 + 1];
if (!s)
return NULL;
ConvertUTF16toUTF8 convert(s);
convert.write(arg, len);
convert.write_terminator();
return s;
}
static void
FreeAllocStrings(int argc, char **argv)
{
while (argc) {
--argc;
delete [] argv[argc];
}
delete [] argv;
}
#ifdef WINCE
/** argc/argv are in/out parameters */
void ExtractEnvironmentFromCL(int &argc, char **&argv)
{
for (int x = argc - 1; x >= 0; x--) {
if (!strncmp(argv[x], "--environ:", 10)) {
char* key_val = strdup(argv[x]+10);
putenv(key_val);
free(key_val);
argc -= 1;
char *delete_argv = argv[x];
if (x < argc) /* if the current argument is not at the tail, shift following arguments. */
memcpy(&argv[x], &argv[x+1], (argc - x) * sizeof(char*));
delete [] delete_argv;
}
}
}
#endif
int wmain(int argc, WCHAR **argv)
{
char **argvConverted = new char*[argc + 1];
if (!argvConverted)
return 127;
for (int i = 0; i < argc; ++i) {
argvConverted[i] = AllocConvertUTF16toUTF8(argv[i]);
if (!argvConverted[i]) {
return 127;
}
}
#ifdef WINCE
ExtractEnvironmentFromCL(argc, argvConverted);
#endif
argvConverted[argc] = NULL;
// need to save argvConverted copy for later deletion.
char **deleteUs = new char*[argc+1];
if (!deleteUs) {
FreeAllocStrings(argc, argvConverted);
return 127;
}
for (int i = 0; i < argc; i++)
deleteUs[i] = argvConverted[i];
int result = main(argc, argvConverted);
delete[] argvConverted;
FreeAllocStrings(argc, deleteUs);
return result;
}