static const char *unit_find_str(const char *str, const char *substr)
{
const char *str_found;
if (substr && substr[0] != '\0') {
str_found = strstr(str, substr);
if (str_found) {
/* previous char cannot be a letter */
if (str_found == str ||
/* weak unicode support!, so "µm" won't match up be replaced by "m"
* since non ascii utf8 values will NEVER return true */
isalpha_or_utf8(*BLI_str_prev_char_utf8(str_found)) == 0)
{
/* next char cannot be alphanum */
int len_name = strlen(substr);
if (!isalpha_or_utf8(*(str_found + len_name))) {
return str_found;
}
}
}
}
return NULL;
}
static void draw_brackets(SpaceText *st, ARegion *ar)
{
TextLine *startl, *endl, *linep;
Text *text = st->text;
int b, fc, find, stack, viewc, viewl, offl, offc, x, y;
int startc, endc, c;
char ch;
// showsyntax must be on or else the format string will be null
if (!text->curl || !st->showsyntax) return;
startl = text->curl;
startc = text->curc;
b = text_check_bracket(startl->line[startc]);
if (b == 0 && startc > 0) b = text_check_bracket(startl->line[--startc]);
if (b == 0) return;
linep = startl;
c = startc;
fc = txt_utf8_offset_to_index(linep->line, startc);
endl = NULL;
endc = -1;
find = -b;
stack = 0;
/* Don't highlight backets if syntax HL is off or bracket in string or comment. */
if (!linep->format || linep->format[fc] == FMT_TYPE_STRING || linep->format[fc] == FMT_TYPE_COMMENT)
return;
if (b > 0) {
/* opening bracket, search forward for close */
fc++;
c += BLI_str_utf8_size_safe(linep->line + c);
while (linep) {
while (c < linep->len) {
if (linep->format && linep->format[fc] != FMT_TYPE_STRING && linep->format[fc] != FMT_TYPE_COMMENT) {
b = text_check_bracket(linep->line[c]);
if (b == find) {
if (stack == 0) {
endl = linep;
endc = c;
break;
}
stack--;
}
else if (b == -find) {
stack++;
}
}
fc++;
c += BLI_str_utf8_size_safe(linep->line + c);
}
if (endl) break;
linep = linep->next;
c = 0;
fc = 0;
}
}
else {
/* closing bracket, search backward for open */
fc--;
if (c > 0) c -= linep->line + c - BLI_str_prev_char_utf8(linep->line + c);
while (linep) {
while (fc >= 0) {
if (linep->format && linep->format[fc] != FMT_TYPE_STRING && linep->format[fc] != FMT_TYPE_COMMENT) {
b = text_check_bracket(linep->line[c]);
if (b == find) {
if (stack == 0) {
endl = linep;
endc = c;
break;
}
stack--;
}
else if (b == -find) {
stack++;
}
}
fc--;
if (c > 0) c -= linep->line + c - BLI_str_prev_char_utf8(linep->line + c);
}
if (endl) break;
linep = linep->prev;
if (linep) {
if (linep->format) fc = strlen(linep->format) - 1;
else fc = -1;
if (linep->len) c = BLI_str_prev_char_utf8(linep->line + linep->len) - linep->line;
else fc = -1;
}
}
}
if (!endl || endc == -1)
return;
UI_ThemeColor(TH_HILITE);
x = st->showlinenrs ? TXT_OFFSET + TEXTXLOC : TXT_OFFSET;
y = ar->winy - st->lheight_dpi;
/* draw opening bracket */
ch = startl->line[startc];
wrap_offset(st, ar, startl, startc, &offl, &offc);
viewc = text_get_char_pos(st, startl->line, startc) - st->left + offc;
if (viewc >= 0) {
viewl = txt_get_span(text->lines.first, startl) - st->top + offl;
text_font_draw_character(st, x + viewc * st->cwidth, y - viewl * (st->lheight_dpi + TXT_LINE_SPACING), ch);
text_font_draw_character(st, x + viewc * st->cwidth + 1, y - viewl * (st->lheight_dpi + TXT_LINE_SPACING), ch);
}
/* draw closing bracket */
ch = endl->line[endc];
wrap_offset(st, ar, endl, endc, &offl, &offc);
viewc = text_get_char_pos(st, endl->line, endc) - st->left + offc;
if (viewc >= 0) {
viewl = txt_get_span(text->lines.first, endl) - st->top + offl;
text_font_draw_character(st, x + viewc * st->cwidth, y - viewl * (st->lheight_dpi + TXT_LINE_SPACING), ch);
text_font_draw_character(st, x + viewc * st->cwidth + 1, y - viewl * (st->lheight_dpi + TXT_LINE_SPACING), ch);
}
}
