utils/newparser/skin_render.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id: skin_parser.c 26752 2010-06-10 21:22:16Z bieber $
   9  *
  10  * Copyright (C) 2010 Jonathan Gordon
  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 <stdlib.h>
  23 #include <stdio.h>
  24 #include <string.h>
  25 #include <ctype.h>
  26
  27 #include "skin_parser.h"
  28 #include "skin_debug.h"
  29 #include "tag_table.h"
  30 #include "symbols.h"
  31 #include "skin_scan.h"
  32
  33 void skin_render_alternator(struct skin_element* alternator, int line_number);
  34
  35 /* Draw a LINE element onto the display */
  36 void skin_render_line(struct skin_element* line, int line_number)
  37 {
  38     int i=0, value;
  39     if (line->children_count == 0)
  40         return; /* empty line, do nothing */
  41     struct skin_element *child = line->children[0];
  42     while (child)
  43     {
  44         switch (child->type)
  45         {
  46             case CONDITIONAL:
  47                 value = 0; /* actually get it from the token :p */
  48                 if (value >= child->children_count)
  49                     value = child->children_count-1;
  50                 if (child->children[value]->type == SUBLINES)
  51                     skin_render_alternator(child->children[value], line_number);
  52                 else if (child->children[value]->type == LINE)
  53                     skin_render_line(child->children[value], line_number);
  54                 break;
  55             case TAG:
  56                 printf("%%%s", child->tag->name);
  57                 break;
  58             case TEXT:
  59                 printf("%s", (char*)(child->data));
  60                 break;
  61             case COMMENT:
  62             default:
  63                 break;
  64         }
  65         child = child->next;
  66     }
  67 }
  68
  69 void skin_render_alternator(struct skin_element* alternator, int line_number)
  70 {
  71     /*TODO Choose which subline to draw */
  72     skin_render_line(alternator->children[0], line_number);
  73 }
  74
  75 void skin_render_viewport(struct skin_element* viewport)
  76 {
  77     struct skin_element *line = viewport;
  78     int line_number = 0;
  79     while (line)
  80     {
  81         printf("\n[%d]", line_number); /* might be incorrect */
  82         if (line->type == SUBLINES)
  83             skin_render_alternator(line, line_number);
  84         else if (line->type == LINE)
  85             skin_render_line(line, line_number);
  86         line_number++;
  87         line = line->next;
  88     }
  89 }
  90
  91 void skin_render(struct skin_element* root)
  92 {
  93     struct skin_element* viewport = root;
  94     while (viewport)
  95     {
  96         skin_render_viewport(viewport->children[0]);
  97         viewport = viewport->next;
  98     }
  99 }