/*
 * Translate between Wine and Unix paths
 *
 * Copyright 2002 Mike Wetherell
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "config.h"

#include <windows.h>
#include <stdio.h>
#include <stdlib.h>

#define VERSION "0.1 (" PACKAGE_STRING ")"

enum { 
    SHORTFORMAT = 1,
    LONGFORMAT  = 2,
    UNIXFORMAT  = 4
};

static char *progname;

/* Wine specific functions */
extern BOOL process_init(char *argv[]);
typedef BOOL (WINAPI *wine_get_unix_file_name_t) ( LPCSTR dos, LPSTR buffer, DWORD len );
/*
 * handle an option
 */
int option(int shortopt, char *longopt)
{
    const char *helpmsg =
    "Convert PATH(s) to Unix or Windows long or short paths.\n"
    "\n"
    "  -u, --unix    output Unix format\n"
    "  -l, --long    output Windows long format\n"
    "  -s, --short   output Windows short format \n"
    "  -h, --help    output this help message and exit\n"
    "  -v, --version output version information and exit\n"
    "\n"
    "The input paths can be in any format. If more than one option is given\n"
    "then the input paths are output in all formats specified, in the order\n"
    "Unix, long, short. If no option is given the default is Unix format.\n";

    switch (shortopt) {
        case 'h':
            printf("Usage: %s [OPTION] [PATH]...\n", progname);
            printf(helpmsg);
            exit(0);
        case 'v':
            printf("%s version " VERSION "\n", progname);
            exit(0);
        case 'l':
            return LONGFORMAT;
        case 's':
            return SHORTFORMAT;
        case 'u':
            return UNIXFORMAT;
    } 

    fprintf(stderr, "%s: invalid option ", progname);
    if (longopt)
        fprintf(stderr, "'%s'\n", longopt);
    else
        fprintf(stderr, "'-%c'\n", shortopt); 
    fprintf(stderr, "Try '%s --help' for help\n", progname);
    exit(2);
}

/*
 * Parse command line options
 */
int parse_options(char *argv[])
{
    int outputformats = 0;
    int done = 0;
    char *longopts[] = { "long", "short", "unix", "help", "version", "" };
    int i, j;

    for (i = 1; argv[i] && !done; )
    {
        if (argv[i][0] != '-') {
            /* not an option */
            i++;
            continue;
        }

        if (argv[i][1] == '-') {
            if (argv[i][2] == 0) {
                /* '--' end of options */
                done = 1;
            } else {
                /* long option */
                for (j = 0; longopts[j][0]; j++)
                    if (strcmp(argv[i]+2, longopts[j]) == 0)
                        break;
                outputformats |= option(longopts[j][0], argv[i]);
            }
        } else {
            /* short options */
            for (j = 1; argv[i][j]; j++)
                outputformats |= option(argv[i][j], NULL); 
        }

        /* remove option */
        for (j = i + 1; argv[j - 1]; j++)
            argv[j - 1] = argv[j];
    }

    return outputformats;
}

/*
 * Main function
 */
int main(int argc, char *argv[])
{
    wine_get_unix_file_name_t wine_get_unix_file_name_ptr = NULL;
    static char path[MAX_PATH];
    int outputformats;
    int i;

    progname = argv[0];
    outputformats = parse_options(argv);
    if (outputformats == 0)
        outputformats = UNIXFORMAT;

    if (outputformats & UNIXFORMAT) {
        wine_get_unix_file_name_ptr = (wine_get_unix_file_name_t)
            GetProcAddress(GetModuleHandle("KERNEL32"),
                           "wine_get_unix_file_name");
        if (wine_get_unix_file_name_ptr == NULL) {
            fprintf(stderr, "%s: cannot get the address of "
                            "'wine_get_unix_file_name'\n", progname);
            exit(3);
        }
    }

    for (i = 1; argv[i]; i++)
    {
        if (outputformats & LONGFORMAT) {
            GetLongPathNameA(argv[i], path, sizeof(path));
            printf("%s\n", path);
        }
        if (outputformats & SHORTFORMAT) {
            GetShortPathNameA(argv[i], path, sizeof(path));
            printf("%s\n", path);
        }
        if (outputformats & UNIXFORMAT) {
            wine_get_unix_file_name_ptr(argv[i], path, sizeof(path));
            printf("%s\n", path);
        }
    }

    exit(0);
}