fdba840450
new text viewer plugin: text_viewer.rock. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26571 a1c6a512-1295-4272-9138-f99709370657
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2002 Gilles Roux
|
|
* 2003 Garrett Derner
|
|
* 2010 Yoshihisa Uchida
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#include "plugin.h"
|
|
#include "tv_pager.h"
|
|
#include "tv_reader.h"
|
|
#include "tv_text_processor.h"
|
|
#include "tv_text_reader.h"
|
|
|
|
static int get_block;
|
|
static bool get_double_blocks;
|
|
|
|
bool tv_init_text_reader(unsigned char *buf, size_t bufsize, size_t *used_size)
|
|
{
|
|
size_t size;
|
|
|
|
if (!tv_init_text_processor(buf, bufsize, used_size))
|
|
return false;
|
|
|
|
size = *used_size;
|
|
if (!tv_init_pager(buf + size, bufsize - size, used_size))
|
|
return false;
|
|
|
|
*used_size += size;
|
|
return true;
|
|
}
|
|
|
|
void tv_finalize_text_reader(void)
|
|
{
|
|
tv_finalize_pager();
|
|
}
|
|
|
|
void tv_set_read_conditions(int blocks, int width)
|
|
{
|
|
tv_set_creation_conditions(blocks, width);
|
|
}
|
|
|
|
off_t tv_get_total_text_size(void)
|
|
{
|
|
return tv_get_file_size();
|
|
}
|
|
|
|
bool tv_get_next_line(const unsigned char **buf)
|
|
{
|
|
ssize_t bufsize;
|
|
const unsigned char *buffer = tv_get_buffer(&bufsize);
|
|
|
|
if (bufsize > 0)
|
|
{
|
|
tv_move_next_line(
|
|
tv_create_formed_text(buffer, bufsize, get_block, get_double_blocks, buf));
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void tv_read_start(int block, bool is_multi)
|
|
{
|
|
get_block = block;
|
|
get_double_blocks = is_multi;
|
|
tv_reset_line_positions();
|
|
}
|
|
|
|
int tv_read_end(void)
|
|
{
|
|
return tv_get_line_positions(0);
|
|
}
|
|
|
|
void tv_seek_top(void)
|
|
{
|
|
tv_move_screen(0, 0, SEEK_SET);
|
|
}
|