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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/space_text/text_format.c
* \ingroup sptext
*/
#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "DNA_text_types.h"
#include "DNA_space_types.h"
#include "text_format.h"
/****************** flatten string **********************/
static void flatten_string_append(FlattenString *fs, const char *c, int accum, int len)
{
int i;
if (fs->pos + len > fs->len) {
char *nbuf; int *naccum;
fs->len *= 2;
nbuf = MEM_callocN(sizeof(*fs->buf) * fs->len, "fs->buf");
naccum = MEM_callocN(sizeof(*fs->accum) * fs->len, "fs->accum");
memcpy(nbuf, fs->buf, fs->pos * sizeof(*fs->buf));
memcpy(naccum, fs->accum, fs->pos * sizeof(*fs->accum));
if (fs->buf != fs->fixedbuf) {
MEM_freeN(fs->buf);
MEM_freeN(fs->accum);
}
fs->buf = nbuf;
fs->accum = naccum;
}
for (i = 0; i < len; i++) {
fs->buf[fs->pos + i] = c[i];
fs->accum[fs->pos + i] = accum;
}
fs->pos += len;
}
int flatten_string(SpaceText *st, FlattenString *fs, const char *in)
{
int r, i, total = 0;
memset(fs, 0, sizeof(FlattenString));
fs->buf = fs->fixedbuf;
fs->accum = fs->fixedaccum;
fs->len = sizeof(fs->fixedbuf);
for (r = 0, i = 0; *in; r++) {
if (*in == '\t') {
i = st->tabnumber - (total % st->tabnumber);
total += i;
while (i--)
flatten_string_append(fs, " ", r, 1);
in++;
}
else {
size_t len = BLI_str_utf8_size_safe(in);
flatten_string_append(fs, in, r, len);
in += len;
total++;
}
}
flatten_string_append(fs, "\0", r, 1);
return total;
}
void flatten_string_free(FlattenString *fs)
{
if (fs->buf != fs->fixedbuf)
MEM_freeN(fs->buf);
if (fs->accum != fs->fixedaccum)
MEM_freeN(fs->accum);
}
/* takes a string within fs->buf and returns its length */
int flatten_string_strlen(FlattenString *fs, const char *str)
{
const int len = (fs->pos - (int)(str - fs->buf)) - 1;
BLI_assert(strlen(str) == len);
return len;
}
/* Ensures the format string for the given line is long enough, reallocating
* as needed. Allocation is done here, alone, to ensure consistency. */
int text_check_format_len(TextLine *line, unsigned int len)
{
if (line->format) {
if (strlen(line->format) < len) {
MEM_freeN(line->format);
line->format = MEM_mallocN(len + 2, "SyntaxFormat");
if (!line->format) return 0;
}
}
else {
line->format = MEM_mallocN(len + 2, "SyntaxFormat");
if (!line->format) return 0;
}
return 1;
}
/* *** Registration *** */
static ListBase tft_lb = {NULL, NULL};
void ED_text_format_register(TextFormatType *tft)
{
BLI_addtail(&tft_lb, tft);
}
TextFormatType *ED_text_format_get(Text *text)
{
/* NOTE: once more types are added we'll need to return some type based on 'text'
* for now this function is more of a placeholder */
/* XXX, wrong, but OK for testing */
if (text && BLI_testextensie(text->id.name + 2, ".osl")) {
return tft_lb.last;
}
else {
return tft_lb.first;
}
}
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