rs.vertical_position.reference = TOP_OF_SUBTITLE;
while (true) {
- optional<string> line = get_line ();
+ auto line = get_line ();
if (!line) {
break;
}
void
SubripReader::convert_line (string t, RawSubtitle& p)
{
- enum {
- TEXT,
- TAG
- } state = TEXT;
-
- string tag;
-
vector<Colour> colours;
colours.push_back (Colour (1, 1, 1));
- /* XXX: missing <font> support */
- /* XXX: nesting of tags e.g. <b>foo<i>bar<b>baz</b>fred</i>jim</b> might
- not work, I think.
- */
+ auto has_next = [](string line, size_t& index, string s) {
+ boost::to_lower(s);
+ auto next = line.substr(index, s.size());
+ boost::to_lower(next);
+ if (next != s) {
+ return false;
+ }
- for (size_t i = 0; i < t.size(); ++i) {
- switch (state) {
- case TEXT:
- if (t[i] == '<' || t[i] == '{') {
- state = TAG;
- } else {
- p.text += t[i];
+ index += s.size();
+ return true;
+ };
+
+ size_t i = 0;
+ while (i < t.size()) {
+ if (has_next(t, i, "<b>") || has_next(t, i, "{b}")) {
+ maybe_content (p);
+ p.bold = true;
+ } else if (has_next(t, i, "</b>") || has_next(t, i, "{/b}")) {
+ maybe_content (p);
+ p.bold = false;
+ } else if (has_next(t, i, "<i>") || has_next(t, i, "{i}")) {
+ maybe_content (p);
+ p.italic = true;
+ } else if (has_next(t, i, "</i>") || has_next(t, i, "{/i}")) {
+ maybe_content (p);
+ p.italic = false;
+ } else if (has_next(t, i, "<u>") || has_next(t, i, "{u}")) {
+ maybe_content (p);
+ p.underline = true;
+ } else if (has_next(t, i, "</u>") || has_next(t, i, "{/u}")) {
+ maybe_content (p);
+ p.underline = false;
+ } else if (has_next(t, i, "<font") || has_next(t, i, "<Font")) {
+ maybe_content (p);
+ boost::regex re (".*color=\"?#([[:xdigit:]]+)\"?");
+ boost::smatch match;
+ string tag;
+ while (i < t.size() && t[i] != '>') {
+ tag += t[i];
+ ++i;
}
- break;
- case TAG:
- if (t[i] == '>' || t[i] == '}') {
- if (tag == "b") {
- maybe_content (p);
- p.bold = true;
- } else if (tag == "/b") {
- maybe_content (p);
- p.bold = false;
- } else if (tag == "i") {
- maybe_content (p);
- p.italic = true;
- } else if (tag == "/i") {
- maybe_content (p);
- p.italic = false;
- } else if (tag == "u") {
- maybe_content (p);
- p.underline = true;
- } else if (tag == "/u") {
- maybe_content (p);
- p.underline = false;
- } else if (boost::starts_with (tag, "font")) {
- maybe_content (p);
- boost::regex re (".*color=\"?#([[:xdigit:]]+)\"?");
- boost::smatch match;
- if (boost::regex_search (tag, match, re) && string (match[1]).size() == 6) {
- p.colour = Colour::from_rgb_hex (match[1]);
- colours.push_back (p.colour);
- } else {
- re = boost::regex (
- ".*color=\"rgba\\("
- "[[:space:]]*([[:digit:]]+)[[:space:]]*,"
- "[[:space:]]*([[:digit:]]+)[[:space:]]*,"
- "[[:space:]]*([[:digit:]]+)[[:space:]]*,"
- "[[:space:]]*([[:digit:]]+)[[:space:]]*"
- "\\)\""
- );
- if (boost::regex_search (tag, match, re) && match.size() == 5) {
- p.colour.r = raw_convert<int>(string(match[1])) / 255.0;
- p.colour.g = raw_convert<int>(string(match[2])) / 255.0;
- p.colour.b = raw_convert<int>(string(match[3])) / 255.0;
- colours.push_back (p.colour);
- } else {
- throw SubripError (tag, "a colour in the format #rrggbb or rgba(rr,gg,bb,aa)", _context);
- }
- }
- } else if (tag == "/font") {
- maybe_content (p);
- SUB_ASSERT (!colours.empty());
- colours.pop_back ();
- p.colour = colours.back ();
- } else if (tag.size() > 0 && tag[0] == '\\') {
- SSAReader::parse_style (p, tag, 288, 288);
- }
- tag.clear ();
- state = TEXT;
+ ++i;
+ if (boost::regex_search (tag, match, re) && string (match[1]).size() == 6) {
+ p.colour = Colour::from_rgb_hex (match[1]);
+ colours.push_back (p.colour);
} else {
- tag += tolower (t[i]);
+ re = boost::regex (
+ ".*color=\"rgba\\("
+ "[[:space:]]*([[:digit:]]+)[[:space:]]*,"
+ "[[:space:]]*([[:digit:]]+)[[:space:]]*,"
+ "[[:space:]]*([[:digit:]]+)[[:space:]]*,"
+ "[[:space:]]*([[:digit:]]+)[[:space:]]*"
+ "\\)\""
+ );
+ if (boost::regex_search (tag, match, re) && match.size() == 5) {
+ p.colour.r = raw_convert<int>(string(match[1])) / 255.0;
+ p.colour.g = raw_convert<int>(string(match[2])) / 255.0;
+ p.colour.b = raw_convert<int>(string(match[3])) / 255.0;
+ colours.push_back (p.colour);
+ } else {
+ throw SubripError (tag, "a colour in the format #rrggbb or rgba(rr,gg,bb,aa)", _context);
+ }
}
- break;
+ } else if (has_next(t, i, "</font>")) {
+ maybe_content (p);
+ SUB_ASSERT (!colours.empty());
+ colours.pop_back ();
+ p.colour = colours.back ();
+ } else if (has_next(t, i, "{\\")) {
+ string ssa = "\\";
+ while (i < t.size() && t[i] != '}') {
+ ssa += t[i];
+ ++i;
+ }
+ ++i;
+ SSAReader::parse_style (p, ssa, 288, 288);
+ } else {
+ p.text += t[i];
+ ++i;
}
}
projects / libsub.git / blobdiff