git.zerfleddert.de Git - proxmark3-svn/blob - client/cmdparser.c

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
   3 //
   4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   5 // at your option, any later version. See the LICENSE.txt file for the text of
   6 // the license.
   7 //-----------------------------------------------------------------------------
   8 // Command parser
   9 //-----------------------------------------------------------------------------
  10
  11 #include <stdio.h>
  12 #include <string.h>
  13 #include "ui.h"
  14 #include "cmdparser.h"
  15 #include "proxmark3.h"
  16
  17 void CmdsHelp(const command_t Commands[])
  18 {
  19   if (Commands[0].Name == NULL)
  20     return;
  21   int i = 0;
  22   while (Commands[i].Name)
  23   {
  24     if (!offline || Commands[i].Offline)
  25       PrintAndLog("%-16s %s", Commands[i].Name, Commands[i].Help);
  26     ++i;
  27   }
  28 }
  29
  30 void CmdsParse(const command_t Commands[], const char *Cmd)
  31 {
  32   char cmd_name[32];
  33   int len = 0;
  34   memset(cmd_name, 0, 32);
  35   sscanf(Cmd, "%31s%n", cmd_name, &len);
  36   int i = 0;
  37   while (Commands[i].Name && strcmp(Commands[i].Name, cmd_name))
  38     ++i;
  39
  40   /* try to find exactly one prefix-match */
  41   if(!Commands[i].Name) {
  42     int last_match = 0;
  43     int matches = 0;
  44
  45     for(i=0;Commands[i].Name;i++) {
  46       if( !strncmp(Commands[i].Name, cmd_name, strlen(cmd_name)) ) {
  47         last_match = i;
  48         matches++;
  49       }
  50     }
  51     if(matches == 1) i=last_match;
  52   }
  53
  54   if (Commands[i].Name) {
  55     while (Cmd[len] == ' ')
  56       ++len;
  57     Commands[i].Parse(Cmd + len);
  58   } else {
  59     // show help for selected hierarchy or if command not recognised
  60     CmdsHelp(Commands);
  61   }
  62 }