/******************************************************************************
 *
 * thmlplain -	SWFilter descendant to strip out all ThML tags or convert to
 *		ASCII rendered symbols.
 */


#include <stdlib.h>
#include <thmlplain.h>
#include <swbuf.h>

SWORD_NAMESPACE_START

ThMLPlain::ThMLPlain() {
}

char ThMLPlain::processText(SWBuf &text, const SWKey *key, const SWModule *module)
{
	char token[2048];
	int tokpos = 0;
	bool intoken = false;
	bool ampersand = false;

	const char *from;
	SWBuf orig = text;
	from = orig.c_str();
	for (text = ""; *from; from++)
	{
		if (*from == 10 || *from == 13)
			from++;
		if (*from == '<') {
			intoken = true;
			tokpos = 0;
			token[0] = 0;
			token[1] = 0;
			token[2] = 0;
			ampersand = false;
			continue;
		}
		else if (*from == '&') {
			intoken = true;
			tokpos = 0;
			token[0] = 0;
			token[1] = 0;
			token[2] = 0;
			ampersand = true;
			continue;
		}
		if (*from == ';' && ampersand) {
			intoken = false;

			if (!strncmp("nbsp", token, 4)) text += ' ';
			else if (!strncmp("quot", token, 4)) text += '"';
			else if (!strncmp("amp", token, 3)) text += '&';
			else if (!strncmp("lt", token, 2)) text += '<';
			else if (!strncmp("gt", token, 2)) text += '>';
			else if (!strncmp("brvbar", token, 6)) text += '|';
			else if (!strncmp("sect", token, 4)) text += '§';
			else if (!strncmp("copy", token, 4)) text += '©';
			else if (!strncmp("laquo", token, 5)) text += '«';
			else if (!strncmp("reg", token, 3)) text += '®';
			else if (!strncmp("acute", token, 5)) text += '´';
			else if (!strncmp("para", token, 4)) text += '¶';
			else if (!strncmp("raquo", token, 5)) text += '»';

			else if (!strncmp("Aacute", token, 6)) text += 'Á';
			else if (!strncmp("Agrave", token, 6)) text += 'À';
			else if (!strncmp("Acirc", token, 5)) text += 'Â';
			else if (!strncmp("Auml", token, 4)) text += 'Ä';
			else if (!strncmp("Atilde", token, 6)) text += 'Ã';
			else if (!strncmp("Aring", token, 5)) text += 'Å';
			else if (!strncmp("aacute", token, 6)) text += 'á';
			else if (!strncmp("agrave", token, 6)) text += 'à';
			else if (!strncmp("acirc", token, 5)) text += 'â';
			else if (!strncmp("auml", token, 4)) text += 'ä';
			else if (!strncmp("atilde", token, 6)) text += 'ã';
			else if (!strncmp("aring", token, 5)) text += 'å';
			else if (!strncmp("Eacute", token, 6)) text += 'É';
			else if (!strncmp("Egrave", token, 6)) text += 'È';
			else if (!strncmp("Ecirc", token, 5)) text += 'Ê';
			else if (!strncmp("Euml", token, 4)) text += 'Ë';
			else if (!strncmp("eacute", token, 6)) text += 'é';
			else if (!strncmp("egrave", token, 6)) text += 'è';
			else if (!strncmp("ecirc", token, 5)) text += 'ê';
			else if (!strncmp("euml", token, 4)) text += 'ë';
			else if (!strncmp("Iacute", token, 6)) text += 'Í';
			else if (!strncmp("Igrave", token, 6)) text += 'Ì';
			else if (!strncmp("Icirc", token, 5)) text += 'Î';
			else if (!strncmp("Iuml", token, 4)) text += 'Ï';
			else if (!strncmp("iacute", token, 6)) text += 'í';
			else if (!strncmp("igrave", token, 6)) text += 'ì';
			else if (!strncmp("icirc", token, 5)) text += 'î';
			else if (!strncmp("iuml", token, 4)) text += 'ï';
			else if (!strncmp("Oacute", token, 6)) text += 'Ó';
			else if (!strncmp("Ograve", token, 6)) text += 'Ò';
			else if (!strncmp("Ocirc", token, 5)) text += 'Ô';
			else if (!strncmp("Ouml", token, 4)) text += 'Ö';
			else if (!strncmp("Otilde", token, 6)) text += 'Õ';
			else if (!strncmp("oacute", token, 6)) text += 'ó';
			else if (!strncmp("ograve", token, 6)) text += 'ò';
			else if (!strncmp("ocirc", token, 5)) text += 'ô';
			else if (!strncmp("ouml", token, 4)) text += 'ö';
			else if (!strncmp("otilde", token, 6)) text += 'õ';
			else if (!strncmp("Uacute", token, 6)) text += 'Ú';
			else if (!strncmp("Ugrave", token, 6)) text += 'Ù';
			else if (!strncmp("Ucirc", token, 5)) text += 'Û';
			else if (!strncmp("Uuml", token, 4)) text += 'Ü';
			else if (!strncmp("uacute", token, 6)) text += 'ú';
			else if (!strncmp("ugrave", token, 6)) text += 'ù';
			else if (!strncmp("ucirc", token, 5)) text += 'û';
			else if (!strncmp("uuml", token, 4)) text += 'ü';
			else if (!strncmp("Yacute", token, 6)) text += 'Ý';
			else if (!strncmp("yacute", token, 6)) text += 'ý';
			else if (!strncmp("yuml", token, 4)) text += 'ÿ';

			else if (!strncmp("deg", token, 3)) text += '°';
			else if (!strncmp("plusmn", token, 6)) text += '±';
			else if (!strncmp("sup2", token, 4)) text += '²';
			else if (!strncmp("sup3", token, 4)) text += '³';
			else if (!strncmp("sup1", token, 4)) text += '¹';
			else if (!strncmp("nbsp", token, 4)) text += 'º';
			else if (!strncmp("pound", token, 5)) text += '£';
			else if (!strncmp("cent", token, 4)) text += '¢';
			else if (!strncmp("frac14", token, 6)) text += '¼';
			else if (!strncmp("frac12", token, 6)) text += '½';
			else if (!strncmp("frac34", token, 6)) text += '¾';
			else if (!strncmp("iquest", token, 6)) text += '¿';
			else if (!strncmp("iexcl", token, 5)) text += '¡';
			else if (!strncmp("ETH", token, 3)) text += 'Ð';
			else if (!strncmp("eth", token, 3)) text += 'ð';
			else if (!strncmp("THORN", token, 5)) text += 'Þ';
			else if (!strncmp("thorn", token, 5)) text += 'þ';
			else if (!strncmp("AElig", token, 5)) text += 'Æ';
			else if (!strncmp("aelig", token, 5)) text += 'æ';
			else if (!strncmp("Oslash", token, 6)) text += 'Ø';
			else if (!strncmp("curren", token, 6)) text += '¤';
			else if (!strncmp("Ccedil", token, 6)) text += 'Ç';
			else if (!strncmp("ccedil", token, 6)) text += 'ç';
			else if (!strncmp("szlig", token, 5)) text += 'ß';
			else if (!strncmp("Ntilde", token, 6)) text += 'Ñ';
			else if (!strncmp("ntilde", token, 6)) text += 'ñ';
			else if (!strncmp("yen", token, 3)) text += '¥';
			else if (!strncmp("not", token, 3)) text += '¬';
			else if (!strncmp("ordf", token, 4)) text += 'ª';
			else if (!strncmp("uml", token, 3)) text += '¨';
			else if (!strncmp("shy", token, 3)) text += '­';
			else if (!strncmp("macr", token, 4)) text += '¯';
			continue;

		}
		else if (*from == '>' && !ampersand) {
			intoken = false;
			// process desired tokens
			if (!strncmp(token, "sync type=\"Strongs\" value=\"", 27)) {
				text += ' ';
				text += '<';
				for (unsigned int i = 27; token[i] != '\"'; i++)
					text += token[i];
				text += '>';
				continue;
			}
			if (!strncmp(token, "sync type=\"morph\" value=\"", 25)) {
				text += ' ';
				text += '(';
				for (unsigned int i = 25; token[i] != '\"'; i++)
					text += token[i];
				text += ')';
				continue;
			}
			if (!strncmp("note", token, 4)) {
				text += ' ';
				text += '(';
			}
			else if (!strncmp("br", token, 2))
				text += '\n';
			else if (!strncmp("/p", token, 2))
				text += '\n';
			else if (!strncmp("/note", token, 5)) {
				text += ')';
				text += ' ';
			}
			continue;
		}
		if (intoken) {
			if (tokpos < 2045)
				token[tokpos++] = *from;
				token[tokpos+2] = 0;
		}
		else	text += *from;
	}

	orig = text;
	from = orig.c_str();
	for (text = ""; *from; from++) {  //loop to remove extra spaces
                if ((strchr(" \t\n\r", *from))) {
                        while (*(from+1) && (strchr(" \t\n\r", *(from+1)))) {
                                from++;
                        }
                        text += " ";
                }
                else {
                        text += *from;
                }
        }
        text += (char)0;

	return 0;
}


SWORD_NAMESPACE_END
