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text editor: optimize a bit and try to reduce size.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22449 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Teruaki Kawashima 2009-08-21 14:56:23 +00:00
parent 32ad9a5966
commit f6999b8f2a
1 changed files with 33 additions and 41 deletions
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74
apps/plugins/text_editor.c
View file

@ -22,15 +22,14 @@
#include "lib/playback_control.h"
#if PLUGIN_BUFFER_SIZE > 0x45000
#define MAX_CHARS 0x40000 /* 256 kiB */
#define MAX_CHARS 0x40000 /* 256 kiB */
#else
#define MAX_CHARS 0x5FE0 /* a bit less than 24 kiB */
#define MAX_CHARS 0x6000 /* 24 kiB */
#endif
#define MAX_LINE_LEN 2048
PLUGIN_HEADER
static char buffer[MAX_CHARS];
static char eol[3];
static int char_count = 0;
static int line_count = 0;
static int last_action_line = 0;
@ -126,38 +125,36 @@ static const char* list_get_name_cb(int selected_item, void* data,
{
(void)data;
char *b = &buffer[do_action(ACTION_GET,0,selected_item)];
if (rb->strlen(b) >= buf_len)
/* strlcpy(dst, src, siz) returns strlen(src) */
if (rb->strlcpy(buf, b, buf_len) >= buf_len)
{
char t = b[buf_len-10];
b[buf_len-10] = '\0';
rb->snprintf(buf , buf_len, "%s ...", b);
b[buf_len-10] = t;
rb->strcpy(&buf[buf_len-10], " ...");
}
else rb->strlcpy(buf, b, buf_len);
return buf;
}
char filename[MAX_PATH];
char eol[3];
bool newfile;
int get_eol_string(char* fn)
void get_eol_string(char* fn)
{
int fd, result;
int fd;
char t;
/* assume LF first */
rb->strcpy(eol,"\n");
if (!fn || !fn[0])
return 0;
return;
fd = rb->open(fn,O_RDONLY);
if (fd<0)
return 0;
eol[0] = '\0';
result = 1;
while (!eol[0])
return;
while (1)
{
if (!rb->read(fd,&t,1))
if (!rb->read(fd,&t,1) || t == '\n')
{
rb->strcpy(eol,"\n");
result = 0;
break;
}
if (t == '\r')
{
@ -165,14 +162,11 @@ int get_eol_string(char* fn)
rb->strcpy(eol,"\r\n");
else
rb->strcpy(eol,"\r");
}
else if (t == '\n')
{
rb->strcpy(eol,"\n");
break;
}
}
rb->close(fd);
return result;
return;
}
bool save_changes(int overwrite)
@ -226,6 +220,7 @@ void setup_lists(struct gui_synclist *lists, int sel)
rb->gui_synclist_select_item(lists, sel);
rb->gui_synclist_draw(lists);
}
enum {
MENU_RET_SAVE = -1,
MENU_RET_NO_UPDATE,
@ -234,11 +229,11 @@ enum {
int do_item_menu(int cur_sel, char* copy_buffer)
{
int ret = 0;
MENUITEM_STRINGLIST(menu, "Line Options", NULL,
MENUITEM_STRINGLIST(menu, "Line Options", NULL,
"Cut/Delete", "Copy",
"Insert Above", "Insert Below",
"Concat To Above", "Save",
"Show Playback Menu",);
"Concat To Above",
"Save", "Playback Control");
switch (rb->do_menu(&menu, NULL, NULL, false))
{
@ -352,10 +347,7 @@ enum plugin_status plugin_start(const void* parameter)
char *c = NULL;
#endif
rb->strcpy(filename,(char*)parameter);
if (!get_eol_string(filename))
{
rb->strcpy(eol,"\n");
}
get_eol_string(filename);
fd = rb->open(filename,O_RDONLY);
if (fd<0)
{
@ -368,7 +360,7 @@ enum plugin_status plugin_start(const void* parameter)
edit_colors_file = true;
#endif
/* read in the file */
while (rb->read_line(fd,temp_line,MAX_LINE_LEN))
while (rb->read_line(fd,temp_line,MAX_LINE_LEN) > 0)
{
if (!do_action(ACTION_INSERT,temp_line,line_count))
{
@ -386,6 +378,7 @@ enum plugin_status plugin_start(const void* parameter)
rb->strcpy(eol,"\n");
newfile = true;
}
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
rb->cpu_boost(0);
#endif
@ -415,14 +408,14 @@ enum plugin_status plugin_start(const void* parameter)
rb->settings_parseline(temp_line, &name, &value);
if (line_count)
{
MENUITEM_STRINGLIST(menu, "Edit What?", NULL,
"Extension", "Colour",);
MENUITEM_STRINGLIST(menu, "Edit What?", NULL,
"Extension", "Colour");
rb->strcpy(extension, name);
if (value)
hex_to_rgb(value, &color);
else
color = 0;
switch (rb->do_menu(&menu, NULL, NULL, false))
{
case 0:
@ -437,7 +430,7 @@ enum plugin_status plugin_start(const void* parameter)
/* Should never happen but makes compiler happy */
temp_changed = false;
}
if (temp_changed)
{
rb->snprintf(temp_line, MAX_LINE_LEN, "%s: %02X%02X%02X",
@ -486,9 +479,9 @@ enum plugin_status plugin_start(const void* parameter)
case ACTION_STD_CANCEL:
if (changed)
{
MENUITEM_STRINGLIST(menu, "Do What?", NULL,
MENUITEM_STRINGLIST(menu, "Do What?", NULL,
"Return",
"Show Playback Menu", "Save Changes",
"Playback Control", "Save Changes",
"Save As...", "Save and Exit",
"Ignore Changes and Exit");
switch (rb->do_menu(&menu, NULL, NULL, false))
@ -506,7 +499,6 @@ enum plugin_status plugin_start(const void* parameter)
if(save_changes(0))
changed = 0;
break;
case 4:
if(save_changes(1))
exit=1;