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 "cmdparser.h"
  12
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include "ui.h"
  17 #include "proxmark3.h"
  18 #include "comms.h"
  19
  20
  21 void CmdsHelp(const command_t Commands[])
  22 {
  23   if (Commands[0].Name == NULL)
  24     return;
  25   int i = 0;
  26   while (Commands[i].Name)
  27   {
  28     if (!IsOffline() || Commands[i].Offline)
  29        PrintAndLog("%-16s %s", Commands[i].Name, Commands[i].Help);
  30     ++i;
  31   }
  32 }
  33
  34
  35 int CmdsParse(const command_t Commands[], const char *Cmd)
  36 {
  37         if(strcmp( Cmd, "XX_internal_command_dump_XX") == 0)
  38         {// Help dump children
  39                 dumpCommandsRecursive(Commands, 0);
  40                 return 0;
  41         }
  42         if(strcmp( Cmd, "XX_internal_command_dump_markdown_XX") == 0)
  43         {// Markdown help dump children
  44                 dumpCommandsRecursive(Commands, 1);
  45                 return 0;
  46         }
  47         char cmd_name[32];
  48         int len = 0;
  49         memset(cmd_name, 0, 32);
  50         sscanf(Cmd, "%31s%n", cmd_name, &len);
  51         int i = 0;
  52         while (Commands[i].Name && strcmp(Commands[i].Name, cmd_name))
  53                 ++i;
  54
  55         /* try to find exactly one prefix-match */
  56         if(!Commands[i].Name) {
  57                 int last_match = 0;
  58                 int matches = 0;
  59
  60                 for(i=0;Commands[i].Name;i++) {
  61                         if( !strncmp(Commands[i].Name, cmd_name, strlen(cmd_name)) ) {
  62                                 last_match = i;
  63                                 matches++;
  64                         }
  65                 }
  66                 if(matches == 1) i=last_match;
  67         }
  68
  69         if (Commands[i].Name) {
  70                 while (Cmd[len] == ' ')
  71                         ++len;
  72         return Commands[i].Parse(Cmd + len);
  73         } else {
  74                 // show help for selected hierarchy or if command not recognised
  75                 CmdsHelp(Commands);
  76         }
  77
  78         return 0;
  79 }
  80
  81 char pparent[512] = {0};
  82 char *parent = pparent;
  83
  84 void dumpCommandsRecursive(const command_t cmds[], int markdown)
  85 {
  86   if (cmds[0].Name == NULL)
  87     return;
  88
  89   int i = 0;
  90   int w_cmd=25;
  91   int w_off=8;
  92   // First, dump all single commands, which are not a container for
  93   // other commands
  94   if (markdown) {
  95     printf("|%-*s|%-*s|%s\n",w_cmd,"command",w_off,"offline","description");
  96     printf("|%-*s|%-*s|%s\n",w_cmd,"-------",w_off,"-------","-----------");
  97   } else {
  98     printf("%-*s|%-*s|%s\n",w_cmd,"command",w_off,"offline","description");
  99     printf("%-*s|%-*s|%s\n",w_cmd,"-------",w_off,"-------","-----------");
 100   }
 101
 102   while (cmds[i].Name)
 103   {
 104     char* cmd_offline = "N";
 105     if(cmds[i].Help[0] == '{' && ++i) continue;
 106
 107     if ( cmds[i].Offline) cmd_offline = "Y";
 108     if (markdown)
 109       printf("|`%s%-*s`|%-*s|`%s`\n", parent, w_cmd-(int)strlen(parent)-2, cmds[i].Name, w_off, cmd_offline, cmds[i].Help);
 110     else
 111       printf("%s%-*s|%-*s|%s\n", parent, w_cmd-(int)strlen(parent), cmds[i].Name, w_off, cmd_offline, cmds[i].Help);
 112     ++i;
 113   }
 114   printf("\n\n");
 115   i=0;
 116   // Then, print the categories. These will go into subsections with their own tables
 117
 118   while (cmds[i].Name)
 119   {
 120     if(cmds[i].Help[0] != '{' && ++i)  continue;
 121
 122     printf("### %s%s\n\n %s\n\n", parent, cmds[i].Name, cmds[i].Help);
 123
 124     char currentparent[512] = {0};
 125     snprintf(currentparent, sizeof currentparent, "%s%s ", parent, cmds[i].Name);
 126     char *old_parent = parent;
 127     parent = currentparent;
 128     // This is what causes the recursion, since commands Parse-implementation
 129     // in turn calls the CmdsParse above.
 130     if (markdown)
 131       cmds[i].Parse("XX_internal_command_dump_markdown_XX");
 132     else
 133       cmds[i].Parse("XX_internal_command_dump_XX");
 134     parent = old_parent;
 135     ++i;
 136   }
 137
 138 }