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 <stdlib.h>
  13 #include <string.h>
  14 #include "ui.h"
  15 #include "cmdparser.h"
  16 #include "proxmark3.h"
  17
  18 void CmdsHelp(const command_t Commands[])
  19 {
  20   if (Commands[0].Name == NULL)
  21     return;
  22   int i = 0;
  23   while (Commands[i].Name)
  24   {
  25     if (!offline || Commands[i].Offline)
  26        PrintAndLog("%-16s %s", Commands[i].Name, Commands[i].Help);
  27     ++i;
  28   }
  29 }
  30
  31
  32 int CmdsParse(const command_t Commands[], const char *Cmd)
  33 {
  34   if(strcmp( Cmd, "XX_internal_command_dump_XX") == 0)
  35   {// Help dump children
  36       dumpCommandsRecursive(Commands, 0);
  37                 return 0;
  38   }
  39   if(strcmp( Cmd, "XX_internal_command_dump_markdown_XX") == 0)
  40   {// Markdown help dump children
  41       dumpCommandsRecursive(Commands, 1);
  42                 return 0;
  43   }
  44   char cmd_name[32];
  45   int len = 0;
  46   memset(cmd_name, 0, sizeof(cmd_name));
  47   sscanf(Cmd, "%31s%n", cmd_name, &len);
  48   int i = 0;
  49   while (Commands[i].Name && strcmp(Commands[i].Name, cmd_name))
  50     ++i;
  51
  52   /* try to find exactly one prefix-match */
  53   if(!Commands[i].Name) {
  54     int last_match = 0;
  55     int matches = 0;
  56
  57     for(i=0;Commands[i].Name;i++) {
  58       if( !strncmp(Commands[i].Name, cmd_name, strlen(cmd_name)) ) {
  59         last_match = i;
  60         matches++;
  61       }
  62     }
  63     if(matches == 1) i=last_match;
  64   }
  65
  66   if (Commands[i].Name) {
  67     while (Cmd[len] == ' ')
  68       ++len;
  69         return Commands[i].Parse(Cmd + len);
  70   } else {
  71     // show help for selected hierarchy or if command not recognised
  72     CmdsHelp(Commands);
  73   }
  74
  75         return 0;
  76 }
  77
  78 char pparent[512] = {0};
  79 char *parent = pparent;
  80
  81 void dumpCommandsRecursive(const command_t cmds[], int markdown)
  82 {
  83   if (cmds[0].Name == NULL)
  84     return;
  85
  86   int i = 0;
  87   int w_cmd=25;
  88   int w_off=8;
  89   // First, dump all single commands, which are not a container for
  90   // other commands
  91   if (markdown) {
  92     printf("|%-*s|%-*s|%s\n",w_cmd,"command",w_off,"offline","description");
  93     printf("|%-*s|%-*s|%s\n",w_cmd,"-------",w_off,"-------","-----------");
  94   } else {
  95     printf("%-*s|%-*s|%s\n",w_cmd,"command",w_off,"offline","description");
  96     printf("%-*s|%-*s|%s\n",w_cmd,"-------",w_off,"-------","-----------");
  97   }
  98
  99   while (cmds[i].Name)
 100   {
 101     char* cmd_offline = "N";
 102     if(cmds[i].Help[0] == '{' && ++i) continue;
 103
 104     if ( cmds[i].Offline) cmd_offline = "Y";
 105     if (markdown)
 106       printf("|`%s%-*s`|%-*s|`%s`\n", parent, w_cmd-(int)strlen(parent)-2, cmds[i].Name, w_off, cmd_offline, cmds[i].Help);
 107     else
 108       printf("%s%-*s|%-*s|%s\n", parent, w_cmd-(int)strlen(parent), cmds[i].Name, w_off, cmd_offline, cmds[i].Help);
 109     ++i;
 110   }
 111   printf("\n\n");
 112   i=0;
 113   // Then, print the categories. These will go into subsections with their own tables
 114
 115   while (cmds[i].Name)
 116   {
 117     if(cmds[i].Help[0] != '{' && ++i)  continue;
 118
 119     printf("### %s%s\n\n %s\n\n", parent, cmds[i].Name, cmds[i].Help);
 120
 121     char currentparent[512] = {0};
 122     snprintf(currentparent, sizeof currentparent, "%s%s ", parent, cmds[i].Name);
 123     char *old_parent = parent;
 124     parent = currentparent;
 125     // This is what causes the recursion, since commands Parse-implementation
 126     // in turn calls the CmdsParse above.
 127     if (markdown)
 128       cmds[i].Parse("XX_internal_command_dump_markdown_XX");
 129     else
 130       cmds[i].Parse("XX_internal_command_dump_XX");
 131     parent = old_parent;
 132     ++i;
 133   }
 134
 135 }