static void text_chunk_append(TEXT_BUFFER_REC *buffer,
const unsigned char *data, int len)
{
TEXT_CHUNK_REC *chunk;
int left;
if (len == 0)
return;
chunk = buffer->cur_text;
while (chunk->pos + len >= TEXT_CHUNK_USABLE_SIZE) {
left = TEXT_CHUNK_USABLE_SIZE - chunk->pos;
if (left > 0 && data[left-1] == 0)
left--; /* don't split the commands */
memcpy(chunk->buffer + chunk->pos, data, left);
chunk->pos += left;
chunk = text_chunk_create(buffer);
chunk->refcount++;
len -= left; data += left;
}
memcpy(chunk->buffer + chunk->pos, data, len);
chunk->pos += len;
mark_temp_eol(chunk);
}
static LINE_REC *textbuffer_line_create(TEXT_BUFFER_REC *buffer)
{
LINE_REC *rec;
if (buffer->cur_text == NULL)
text_chunk_create(buffer);
rec = g_slice_new(LINE_REC);
rec->text = buffer->cur_text->buffer + buffer->cur_text->pos;
buffer->cur_text->refcount++;
return rec;
}
static void text_chunk_append(TEXT_BUFFER_REC *buffer,
const unsigned char *data, int len)
{
TEXT_CHUNK_REC *chunk;
int left;
int i;
if (len == 0)
return;
chunk = buffer->cur_text;
while (chunk->pos + len >= TEXT_CHUNK_USABLE_SIZE) {
left = TEXT_CHUNK_USABLE_SIZE - chunk->pos;
/* don't split utf-8 character. (assume we can split non-utf8 anywhere.) */
if (left < len && !is_utf8_leading(data[left])) {
int i;
for (i = 1; i < 4 && left >= i; i++)
if (is_utf8_leading(data[left - i])) {
left -= i;
break;
}
}
for (i = 5; i > 0; --i) {
if (left >= i && data[left-i] == 0) {
left -= i; /* don't split the commands */
break;
}
}
memcpy(chunk->buffer + chunk->pos, data, left);
chunk->pos += left;
chunk = text_chunk_create(buffer);
chunk->refcount++;
len -= left; data += left;
}
memcpy(chunk->buffer + chunk->pos, data, len);
chunk->pos += len;
mark_temp_eol(chunk);
}