utils/themeeditor/parsetreenode.cpp

   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 "symbols.h"
  23 #include "tag_table.h"
  24
  25 #include "parsetreenode.h"
  26 #include "parsetreemodel.h"
  27
  28 /* Root element constructor */
  29 ParseTreeNode::ParseTreeNode(struct skin_element* data)
  30     : parent(0), element(0), param(0), children()
  31 {
  32     while(data)
  33     {
  34         children.append(new ParseTreeNode(data, this));
  35         data = data->next;
  36     }
  37 }
  38
  39 /* Normal element constructor */
  40 ParseTreeNode::ParseTreeNode(struct skin_element* data, ParseTreeNode* parent)
  41     : parent(parent), element(data), param(0), children()
  42 {
  43     switch(element->type)
  44     {
  45
  46     case TAG:
  47         for(int i = 0; i < element->params_count; i++)
  48         {
  49             if(element->params[i].type == skin_tag_parameter::CODE)
  50                 children.append(new ParseTreeNode(element->params[i].data.code,
  51                                               this));
  52             else
  53                 children.append(new ParseTreeNode(&element->params[i], this));
  54         }
  55         break;
  56
  57         /* CONDITIONAL and SUBLINES fall through to the same code */
  58     case CONDITIONAL:
  59     case SUBLINES:
  60         for(int i = 0; i < element->children_count; i++)
  61         {
  62             children.append(new ParseTreeNode(data->children[i], this));
  63         }
  64         break;
  65
  66     case VIEWPORT:
  67     case LINE:
  68         for(int i = 0; i < data->children_count; i++)
  69         {
  70             for(struct skin_element* current = data->children[i]; current;
  71                 current = current->next)
  72             {
  73                 children.append(new ParseTreeNode(current, this));
  74             }
  75         }
  76         break;
  77
  78     default:
  79         break;
  80     }
  81 }
  82
  83 /* Parameter constructor */
  84 ParseTreeNode::ParseTreeNode(skin_tag_parameter *data, ParseTreeNode *parent)
  85     : parent(parent), element(0), param(data), children()
  86 {
  87
  88 }
  89
  90 QString ParseTreeNode::genCode() const
  91 {
  92     QString buffer = "";
  93
  94     if(element)
  95     {
  96         switch(element->type)
  97         {
  98
  99         case VIEWPORT:
 100         case LINE:
 101             for(int i = 0; i < children.count(); i++)
 102             {
 103                 /*
 104                Adding a % in case of tag, because the tag rendering code
 105                doesn't insert its own
 106             */
 107                 if(children[i]->element->type == TAG)
 108                     buffer.append(TAGSYM);
 109                 buffer.append(children[i]->genCode());
 110             }
 111             break;
 112
 113         case SUBLINES:
 114             for(int i = 0; i < children.count(); i++)
 115             {
 116                 buffer.append(children[i]->genCode());
 117                 if(i != children.count() - 1)
 118                     buffer.append(MULTILINESYM);
 119             }
 120             break;
 121
 122         case CONDITIONAL:
 123             /* Inserts a %?, the tag renderer doesn't deal with the TAGSYM */
 124             buffer.append(TAGSYM);
 125             buffer.append(CONDITIONSYM);
 126             buffer.append(children[0]->genCode());
 127
 128             /* Inserting the sublines */
 129             buffer.append(ENUMLISTOPENSYM);
 130             for(int i = 1; i < children.count(); i++)
 131             {
 132                 buffer.append(children[i]->genCode());
 133                 if(i != children.count() - 1)
 134                     buffer.append(ENUMLISTSEPERATESYM);
 135             }
 136             buffer.append(ENUMLISTCLOSESYM);
 137             break;
 138
 139         case TAG:
 140             /* When generating code, we DO NOT insert the leading TAGSYM, leave
 141              * the calling functions to handle that
 142              */
 143             buffer.append(element->tag->name);
 144
 145             if(element->params_count > 0)
 146             {
 147                 /* Rendering parameters if there are any */
 148                 buffer.append(ARGLISTOPENSYM);
 149                 for(int i = 0; i < children.count(); i++)
 150                 {
 151                     buffer.append(children[i]->genCode());
 152                     if(i != children.count() - 1)
 153                         buffer.append(ARGLISTSEPERATESYM);
 154                 }
 155                 buffer.append(ARGLISTCLOSESYM);
 156             }
 157             break;
 158
 159         case NEWLINE:
 160             buffer.append('\n');
 161             break;
 162
 163         case TEXT:
 164             buffer.append(element->text);
 165             break;
 166
 167         case COMMENT:
 168             buffer.append(COMMENTSYM);
 169             buffer.append(element->text);
 170             buffer.append('\n');
 171             break;
 172         }
 173     }
 174     else if(param)
 175     {
 176         switch(param->type)
 177         {
 178         case skin_tag_parameter::STRING:
 179             buffer.append(param->data.text);
 180             break;
 181
 182         case skin_tag_parameter::NUMERIC:
 183             buffer.append(QString::number(param->data.numeric, 10));
 184             break;
 185
 186         case skin_tag_parameter::DEFAULT:
 187             buffer.append(DEFAULTSYM);
 188             break;
 189
 190         case skin_tag_parameter::CODE:
 191             buffer.append(QObject::tr("This doesn't belong here"));
 192             break;
 193
 194         }
 195     }
 196     else
 197     {
 198         for(int i = 0; i < children.count(); i++)
 199             buffer.append(children[i]->genCode());
 200     }
 201
 202     return buffer;
 203 }
 204
 205 ParseTreeNode* ParseTreeNode::child(int row)
 206 {
 207     if(row < 0 || row >= children.count())
 208         return 0;
 209
 210     return children[row];
 211 }
 212
 213 int ParseTreeNode::numChildren() const
 214 {
 215     return children.count();
 216 }
 217
 218
 219 QVariant ParseTreeNode::data(int column) const
 220 {
 221     switch(column)
 222     {
 223     case ParseTreeModel::typeColumn:
 224         if(element)
 225         {
 226             switch(element->type)
 227             {
 228             case VIEWPORT:
 229                 return QObject::tr("Viewport");
 230
 231             case LINE:
 232                 return QObject::tr("Logical Line");
 233
 234             case SUBLINES:
 235                 return QObject::tr("Alternator");
 236
 237             case COMMENT:
 238                 return QObject::tr("Comment");
 239
 240             case CONDITIONAL:
 241                 return QObject::tr("Conditional Tag");
 242
 243             case TAG:
 244                 return QObject::tr("Tag");
 245
 246             case NEWLINE:
 247                 return QObject::tr("Newline");
 248
 249             case TEXT:
 250                 return QObject::tr("Plaintext");
 251             }
 252         }
 253         else if(param)
 254         {
 255             switch(param->type)
 256             {
 257             case skin_tag_parameter::STRING:
 258                 return QObject::tr("String");
 259
 260             case skin_tag_parameter::NUMERIC:
 261                 return QObject::tr("Number");
 262
 263             case skin_tag_parameter::DEFAULT:
 264                 return QObject::tr("Default Argument");
 265
 266             case skin_tag_parameter::CODE:
 267                 return QObject::tr("This doesn't belong here");
 268             }
 269         }
 270         else
 271         {
 272             return QObject::tr("Root");
 273         }
 274
 275         break;
 276
 277     case ParseTreeModel::valueColumn:
 278         if(element)
 279         {
 280             switch(element->type)
 281             {
 282             case VIEWPORT:
 283             case LINE:
 284             case SUBLINES:
 285             case CONDITIONAL:
 286                 return QString();
 287
 288             case NEWLINE:
 289                 return QObject::tr("\\n");
 290
 291             case TEXT:
 292             case COMMENT:
 293                 return QString(element->text);
 294
 295             case TAG:
 296                 return QString(element->tag->name);
 297             }
 298         }
 299         else if(param)
 300         {
 301             switch(param->type)
 302             {
 303             case skin_tag_parameter::DEFAULT:
 304                 return QObject::tr("-");
 305
 306             case skin_tag_parameter::STRING:
 307                 return QString(param->data.text);
 308
 309             case skin_tag_parameter::NUMERIC:
 310                 return QString::number(param->data.numeric, 10);
 311
 312             case skin_tag_parameter::CODE:
 313                 return QObject::tr("Seriously, something's wrong here");
 314             }
 315         }
 316         else
 317         {
 318             return QString();
 319         }
 320         break;
 321
 322     case ParseTreeModel::lineColumn:
 323         if(element)
 324             return QString::number(element->line, 10);
 325         else
 326             return QString();
 327         break;
 328     }
 329
 330     return QVariant();
 331 }
 332
 333
 334 int ParseTreeNode::getRow() const
 335 {
 336     if(!parent)
 337         return -1;
 338
 339     return parent->children.indexOf(const_cast<ParseTreeNode*>(this));
 340 }
 341
 342 ParseTreeNode* ParseTreeNode::getParent() const
 343 {
 344     return parent;
 345 }
 346
 347 ParseTreeNode::~ParseTreeNode()
 348 {
 349     for(int i = 0; i < children.count(); i++)
 350         delete children[i];
 351 }