utils/themeeditor/skin_debug.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2010 Robert Bieber
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include "skin_parser.h"
  27 #include "skin_debug.h"
  28 #include "tag_table.h"
  29
  30 /* Global variables for debug output */
  31 int debug_indent_level = 0;
  32 extern int skin_line;
  33
  34 /* Global error variables */
  35 int error_line;
  36 char* error_message;
  37
  38 /* Debugging functions */
  39 void skin_error(enum skin_errorcode error)
  40 {
  41
  42     error_line = skin_line;
  43
  44     switch(error)
  45     {
  46     case MEMORY_LIMIT_EXCEEDED:
  47         error_message = "Memory limit exceeded";
  48         break;
  49     case NEWLINE_EXPECTED:
  50         error_message = "Newline expected";
  51         break;
  52     case ILLEGAL_TAG:
  53         error_message = "Illegal tag";
  54         break;
  55     case ARGLIST_EXPECTED:
  56         error_message = "Argument list expected";
  57         break;
  58     case TOO_MANY_ARGS:
  59         error_message =  "Too many arguments given";
  60         break;
  61     case DEFAULT_NOT_ALLOWED:
  62         error_message = "Argument can not be set to default";
  63         break;
  64     case UNEXPECTED_NEWLINE:
  65         error_message  = "Unexpected newline";
  66         break;
  67     case INSUFFICIENT_ARGS:
  68         error_message = "Not enough arguments";
  69         break;
  70     case INT_EXPECTED:
  71         error_message =  "Expected integer";
  72         break;
  73     case SEPERATOR_EXPECTED:
  74         error_message = "Expected argument seperator";
  75         break;
  76     case CLOSE_EXPECTED:
  77         error_message = "Expected list close";
  78         break;
  79     case MULTILINE_EXPECTED:
  80         error_message = "Expected subline seperator";
  81         break;
  82     };
  83
  84 }
  85
  86 int skin_error_line()
  87 {
  88     return error_line;
  89 }
  90
  91 char* skin_error_message()
  92 {
  93     return error_message;
  94 }
  95
  96 void skin_clear_errors()
  97 {
  98     error_line = 0;
  99     error_message = NULL;
 100 }
 101
 102 void skin_debug_tree(struct skin_element* root)
 103 {
 104     int i;
 105     char *text;
 106
 107     struct skin_element* current = root;
 108
 109     while(current)
 110     {
 111         skin_debug_indent();
 112
 113         switch(current->type)
 114         {
 115         case UNKNOWN:
 116             printf("[ Unknown element.. error\n]");
 117             break;
 118
 119         case VIEWPORT:
 120             printf("[ Viewport \n");
 121
 122             debug_indent_level++;
 123             skin_debug_tree(current->children[0]);
 124             debug_indent_level--;
 125
 126             printf("]");
 127             break;
 128
 129         case TEXT:
 130             text = current->data;
 131             printf("[ Plain text on line %d : %s ]\n", current->line, text);
 132             break;
 133
 134         case COMMENT:
 135             text = current->data;
 136             printf("[ Comment on line %d: ", current->line);
 137             for(i = 0; i < (int)strlen(text); i++)
 138             {
 139                 if(text[i] == '\n')
 140                     printf("\\n");
 141                 else
 142                     printf("%c", text[i]);
 143             }
 144             printf(" ]\n");
 145             break;
 146
 147         case TAG:
 148             printf("[ %s tag on line %d with %d arguments\n",
 149                    current->tag->name,
 150                    current->line, current->params_count);
 151             debug_indent_level++;
 152             skin_debug_params(current->params_count, current->params);
 153             debug_indent_level--;
 154             skin_debug_indent();
 155             printf("]\n");
 156
 157             break;
 158
 159         case SUBLINES:
 160             printf("[ Alternator on line %d with %d sublines \n", current->line,
 161                    current->children_count);
 162             debug_indent_level++;
 163             for(i = 0; i < current->children_count; i++)
 164             {
 165                 skin_debug_tree(current->children[i]);
 166             }
 167             debug_indent_level--;
 168
 169             skin_debug_indent();
 170             printf("]\n");
 171             break;
 172
 173         case CONDITIONAL:
 174             printf("[ Conditional tag on line %d with %d enumerations \n",
 175                    current->line, current->children_count - 1);
 176             debug_indent_level++;
 177
 178             skin_debug_indent();
 179             printf("[ Condition tag \n");
 180             debug_indent_level++;
 181             skin_debug_tree(current->children[0]);
 182             debug_indent_level--;
 183             skin_debug_indent();
 184             printf("]\n");
 185
 186             for(i = 1; i < current->children_count; i++)
 187             {
 188                 skin_debug_indent();
 189                 printf("[ Enumeration %d\n", i - 1);
 190                 debug_indent_level++;
 191                 skin_debug_tree(current->children[i]);
 192                 debug_indent_level--;
 193                 skin_debug_indent();
 194                 printf("]\n");
 195             }
 196
 197             debug_indent_level--;
 198             skin_debug_indent();
 199             printf("]\n");
 200
 201
 202             break;
 203
 204         case LINE:
 205             printf("[ Logical line on line %d\n", current->line);
 206
 207             debug_indent_level++;
 208             skin_debug_tree(current->children[0]);
 209             debug_indent_level--;
 210
 211             skin_debug_indent();
 212             printf("]\n");
 213             break;
 214         }
 215
 216         current = current->next;
 217     }
 218
 219 }
 220
 221 void skin_debug_params(int count, struct skin_tag_parameter params[])
 222 {
 223     int i;
 224     for(i = 0; i < count; i++)
 225     {
 226
 227         skin_debug_indent();
 228         switch(params[i].type)
 229         {
 230         case DEFAULT:
 231             printf("[-]");
 232             break;
 233
 234         case STRING:
 235             printf("[%s]", params[i].data.text);
 236             break;
 237
 238         case NUMERIC:
 239             printf("[%d]", params[i].data.numeric);
 240             break;
 241
 242         case CODE:
 243             printf("[ WPS Code: \n");
 244             debug_indent_level++;
 245             skin_debug_tree(params[i].data.code);
 246             debug_indent_level--;
 247             skin_debug_indent();
 248             printf("]");
 249             break;
 250         }
 251
 252         printf("\n");
 253
 254     }
 255 }
 256
 257 void skin_debug_indent()
 258 {
 259     int i;
 260     for(i = 0; i < debug_indent_level; i++)
 261         printf("    ");
 262 }