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text editor: use plugin_get_buffer() to allocate buffer. if size of the file is bigger than the buffer, use the audio buffer.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27213 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Teruaki Kawashima 2010-07-01 12:08:47 +00:00
parent ea09608012
commit f06f6543c6
1 changed files with 20 additions and 11 deletions
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27
apps/plugins/text_editor.c
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@ -21,19 +21,16 @@
#include "plugin.h"
#include "lib/playback_control.h"
#if PLUGIN_BUFFER_SIZE > 0x45000
#define MAX_CHARS 0x40000 /* 256 kiB */
#else
#define MAX_CHARS 0x6000 /* 24 kiB */
#endif
#define MAX_LINE_LEN 2048
PLUGIN_HEADER
static char buffer[MAX_CHARS];
static int char_count = 0;
static unsigned char *buffer;
static size_t buffer_size;
static size_t char_count = 0;
static int line_count = 0;
static int last_action_line = 0;
static int last_char_index = 0;
static bool audio_buf = false;
#define ACTION_INSERT 0
#define ACTION_GET 1
@ -73,7 +70,7 @@ char* _do_action(int action, char* str, int line)
{
case ACTION_INSERT:
len = rb->strlen(str)+1;
if ( char_count+ len > MAX_CHARS )
if ( char_count+ len > buffer_size )
return NULL;
rb->memmove(&buffer[c+len],&buffer[c],char_count-c);
rb->strcpy(&buffer[c],str);
@ -97,7 +94,7 @@ char* _do_action(int action, char* str, int line)
return NULL;
len = rb->strlen(&buffer[c])+1;
lennew = rb->strlen(str)+1;
if ( char_count+ lennew-len > MAX_CHARS )
if ( char_count+ lennew-len > buffer_size )
return NULL;
rb->memmove(&buffer[c+lennew],&buffer[c+len],char_count-c-len);
rb->strcpy(&buffer[c],str);
@ -272,7 +269,10 @@ int do_item_menu(int cur_sel, char* copy_buffer)
ret = MENU_RET_SAVE;
break;
case 6: /* playback menu */
if (!audio_buf)
playback_control(NULL);
else
rb->splash(HZ, "Cannot restart playback");
ret = MENU_RET_NO_UPDATE;
break;
default:
@ -336,6 +336,7 @@ enum plugin_status plugin_start(const void* parameter)
#if LCD_DEPTH > 1
rb->lcd_set_backdrop(NULL);
#endif
buffer = rb->plugin_get_buffer(&buffer_size);
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(1);
@ -358,6 +359,11 @@ enum plugin_status plugin_start(const void* parameter)
if (c && !rb->strcmp(c, ".colours"))
edit_colors_file = true;
#endif
if (buffer_size <= (size_t)rb->filesize(fd) + 0x400)
{
buffer = rb->plugin_get_audio_buffer(&buffer_size);
audio_buf = true;
}
/* read in the file */
while (rb->read_line(fd,temp_line,MAX_LINE_LEN) > 0)
{
@ -487,7 +493,10 @@ enum plugin_status plugin_start(const void* parameter)
case 0:
break;
case 1:
if (!audio_buf)
playback_control(NULL);
else
rb->splash(HZ, "Cannot restart playback");
break;
case 2: //save to disk
if(save_changes(1))