src/cmdline.c

   1 /*
   2  * This program is free software: you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License as published by
   4  * the Free Software Foundation, either version 3 of the License, or
   5  * (at your option) any later version.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14  */
  15 /* command line parser */
  16 #include "awishcommon.h"
  17 #include "cmdline.h"
  18
  19 #include <windows.h>
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24
  25
  26 #define MAX_ARGS  (256)
  27
  28 static char *kMyImage = NULL;
  29
  30 int k8argc = 0;
  31 char **k8argv = NULL;
  32
  33
  34 void cmdLineParseStr (const char *cmdline) {
  35   char ech, *cp;
  36   int maxLen = strlen(cmdline)+64;
  37   char *pbuf = malloc(maxLen+4);
  38   //
  39   /* skip spaces */
  40   if (k8argv) free(k8argv);
  41   k8argv = calloc(MAX_ARGS, sizeof(char *));
  42   k8argc = 0;
  43   while (*cmdline == ' ') ++cmdline;
  44   /* parse args */
  45   while (*cmdline) {
  46     /* check first char: quoted? */
  47     if (*cmdline == '"' || *cmdline == '\'') {
  48       /* quoted arg */
  49       ech = *cmdline++;
  50     } else {
  51       /* normal arg */
  52       ech = ' ';
  53     }
  54     /* collect chars */
  55     cp = pbuf;
  56     while (*cmdline && *cmdline != ech) {
  57       *cp++ = *cmdline++;
  58       if (ech != ' ' && cmdline[0] == ech && cmdline[1] == ech) {
  59         /* two quotes is just a quote */
  60         *cp++ = *cmdline++;
  61         ++cmdline;
  62       }
  63     }
  64     *cp = '\0';
  65     //fprintf(stderr, "[%s]\n", pbuf);
  66     if (k8argc < MAX_ARGS) k8argv[k8argc++] = strdup(pbuf);
  67     /* skip quote, if any */
  68     if (ech != ' ' && cmdline[0] == ech) ++cmdline;
  69     /* skip spaces */
  70     while (*cmdline == ' ') ++cmdline;
  71   }
  72   free(pbuf);
  73   //
  74   if (kMyImage == NULL) {
  75     kMyImage = calloc(MAX_PATH+1, 1);
  76     if (kMyImage != NULL) {
  77       GetModuleFileName(NULL, kMyImage, MAX_PATH);
  78       if (k8argv[0]) free(k8argv[0]);
  79       k8argv[0] = strdup(kMyImage);
  80     }
  81   }
  82 }
  83
  84
  85 void cmdLineParse (void) {
  86   return cmdLineParseStr(GetCommandLine());
  87 }