forked from len0rd/rockbox
21cbdac55f
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26831 a1c6a512-1295-4272-9138-f99709370657
130 lines
4.3 KiB
C
130 lines
4.3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id: skin_parser.c 26752 2010-06-10 21:22:16Z bieber $
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*
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* Copyright (C) 2010 Jonathan Gordon
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdbool.h>
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#include <ctype.h>
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#include <string.h>
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#include "skin_parser.h"
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#include "skin_debug.h"
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#include "tag_table.h"
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#include "symbols.h"
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#include "skin_scan.h"
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#include "skin_structs.h"
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#define MAX_LINE 1024
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typedef void (*skin_render_func)(struct skin_element* alternator,
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char* buf, size_t buf_size, int line_number);
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void skin_render_alternator(struct skin_element* alternator,
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char* buf, size_t buf_size, int line_number);
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/* Draw a LINE element onto the display */
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void skin_render_line(struct skin_element* line,
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char* buf, size_t buf_size, int line_number)
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{
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int value;
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if (line->children_count == 0)
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return; /* empty line, do nothing */
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struct skin_element *child = line->children[0];
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skin_render_func func = skin_render_line;
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char tempbuf[128];
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while (child)
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{
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tempbuf[0] = '\0';
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switch (child->type)
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{
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case CONDITIONAL:
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value = 0; /* actually get it from the token :p */
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if (value >= child->children_count)
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value = child->children_count-1;
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if (child->children[value]->type == SUBLINES)
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func = skin_render_alternator;
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else if (child->children[value]->type == LINE)
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func = skin_render_line;
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func(child->children[value], buf, buf_size, line_number);
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break;
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case TAG:
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snprintf(tempbuf, sizeof(tempbuf), "%%%s", child->tag->name);
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break;
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case TEXT:
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snprintf(tempbuf, sizeof(tempbuf), "%s", (char*)(child->data));
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break;
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case COMMENT:
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default:
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break;
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}
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strcat(buf, tempbuf);
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child = child->next;
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}
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}
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#define TIME_AFTER(a,b) 1
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void skin_render_alternator(struct skin_element* alternator,
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char* buf, size_t buf_size, int line_number)
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{
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struct subline *subline = (struct subline*)alternator->data;
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if (TIME_AFTER(subline->last_change_tick + subline->timeout, 0/*FIXME*/))
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{
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subline->current_line++;
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if (subline->current_line >= alternator->children_count)
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subline->current_line = 0;
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}
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skin_render_line(alternator->children[subline->current_line],
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buf, buf_size, line_number);
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}
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void skin_render_viewport(struct skin_element* line, bool draw_tags)
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{
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int line_number = 0;
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char linebuf[MAX_LINE];
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skin_render_func func = skin_render_line;
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while (line)
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{
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linebuf[0] = '\0';
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if (line->type == SUBLINES)
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func = skin_render_alternator;
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else if (line->type == LINE)
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func = skin_render_line;
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func (line, linebuf, sizeof(linebuf), line_number);
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if (draw_tags)
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{
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printf("%s\n", linebuf);
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}
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line_number++;
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line = line->next;
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}
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}
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void skin_render(struct skin_element* root)
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{
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struct skin_element* viewport = root;
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bool draw_tags = viewport->next ? false : true;
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while (viewport)
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{
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skin_render_viewport(viewport->children[0], draw_tags);
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draw_tags = true;
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viewport = viewport->next;
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}
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}
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