/* some samples have lines that start with a / indicating non persistent italic
* marker */
static char *check_for_italic_slash_marker(struct microdvd_tag *tags, char *s)
{
if (*s == '/') {
struct microdvd_tag tag = tags[indexof(MICRODVD_TAGS, 'y')];
tag.key = 'y';
tag.data1 |= 1 << 0 /* 'i' position in MICRODVD_STYLES */;
microdvd_set_tag(tags, tag);
s++;
}
return s;
}
static char *microdvd_load_tags(struct microdvd_tag *tags, char *s)
{
while (*s == '{') {
char *start = s;
char tag_char = *(s + 1);
struct microdvd_tag tag = {0};
if (!tag_char || *(s + 2) != ':')
break;
s += 3;
switch (tag_char) {
/* Style */
case 'Y':
tag.persistent = MICRODVD_PERSISTENT_ON;
case 'y':
while (*s && *s != '}') {
int style_index = indexof(MICRODVD_STYLES, *s);
if (style_index >= 0)
tag.data1 |= (1 << style_index);
s++;
}
if (*s != '}')
break;
/* We must distinguish persistent and non-persistent styles
* to handle this kind of style tags: {y:ib}{Y:us} */
tag.key = tag_char;
break;
/* Color */
case 'C':
tag.persistent = MICRODVD_PERSISTENT_ON;
case 'c':
if (*s == '$')
s++;
tag.data1 = strtol(s, &s, 16) & 0x00ffffff;
if (*s != '}')
break;
tag.key = 'c';
break;
/* Font name */
case 'F':
tag.persistent = MICRODVD_PERSISTENT_ON;
case 'f': {
int len = indexof(s, '}');
if (len < 0)
break;
tag.data_string = s;
tag.data_string_len = len;
s += len;
tag.key = 'f';
break;
}
/* Font size */
case 'S':
tag.persistent = MICRODVD_PERSISTENT_ON;
case 's':
tag.data1 = strtol(s, &s, 10);
if (*s != '}')
break;
tag.key = 's';
break;
/* Charset */
case 'H': {
//TODO: not yet handled, just parsed.
int len = indexof(s, '}');
if (len < 0)
break;
tag.data_string = s;
tag.data_string_len = len;
s += len;
tag.key = 'h';
break;
}
/* Position */
case 'P':
tag.persistent = MICRODVD_PERSISTENT_ON;
tag.data1 = (*s++ == '1');
if (*s != '}')
break;
tag.key = 'p';
break;
/* Coordinates */
case 'o':
tag.persistent = MICRODVD_PERSISTENT_ON;
tag.data1 = strtol(s, &s, 10);
if (*s != ',')
break;
s++;
tag.data2 = strtol(s, &s, 10);
if (*s != '}')
break;
tag.key = 'o';
break;
default: /* Unknown tag, we consider it's text */
break;
}
if (tag.key == 0)
return start;
microdvd_set_tag(tags, tag);
s++;
}
return s;
}
