/*

IEView Plugin for Miranda IM
Copyright (C) 2005-2010  Piotr Piastucki

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#include "ieview_common.h"

TextToken::TextToken(int type, const char *text, int len) {
	next = NULL;
	tag = 0;
	end = false;
	this->type = type;
	this->text = mir_strndup(text, len);
	this->wtext = mir_a2t(this->text);
	this->link = NULL;
	this->wlink = NULL;
}

TextToken::TextToken(int type, const wchar_t *wtext, int len) {
	next = NULL;
	tag = 0;
	end = false;
	this->type = type;
	this->wtext = mir_tstrndup(wtext, len);
	this->text = mir_t2a(this->wtext);
	this->link = NULL;
	this->wlink = NULL;
}

TextToken::~TextToken() {
	if (text!=NULL) {
		mir_free(text);
	}
	if (wtext!=NULL) {
		mir_free(wtext);
	}
	if (link!=NULL) {
		mir_free(link);
	}
	if (wlink!=NULL) {
		mir_free(wlink);
	}
}

TextToken * TextToken::getNext() {
	return next;
}

void TextToken::setNext(TextToken *ptr) {
	next = ptr;
}

int TextToken::getType() {
	return type;
}

const char *TextToken::getText() {
	return text;
}

const wchar_t *TextToken::getTextW() {
	return wtext;
}

int TextToken::getTag() {
	return tag;
}

void TextToken::setTag(int tag) {
	this->tag = tag;
}

bool TextToken::isEnd() {
	return end;
}

void TextToken::setEnd(bool b) {
	this->end = b;
}

const char *TextToken::getLink() {
	return link;
}

const wchar_t *TextToken::getLinkW() {
	return wlink;
}

void TextToken::setLink(const char *link) {
	if (this->link != NULL) {
		delete this->link;
	}
	if (this->wlink != NULL) {
		delete this->wlink;
	}
	this->link = mir_strdup(link);
	this->wlink = mir_a2t(link);
}

void TextToken::setLink(const wchar_t *link) {
	if (this->link != NULL) {
		delete this->link;
	}
	if (this->wlink != NULL) {
		delete this->wlink;
	}
	this->link = mir_t2a(link);
	this->wlink = mir_tstrdup(link);
}

static int countNoWhitespace(const wchar_t *str) {
	int c;
	for (c=0; *str!='\n' && *str!='\r' && *str!='\t' && *str!=' ' && *str!='\0'; str++, c++);
	return c;
}

TextToken* TextToken::tokenizeBBCodes(const wchar_t *text) {
	return tokenizeBBCodes(text, (int)wcslen(text));
}

TextToken* TextToken::tokenizeMath(const wchar_t *text) {
	TextToken *firstToken = NULL, *lastToken = NULL, *mathToken = NULL;
	static bool     mathModInitialized = false;
	static wchar_t *mathTagName[] = {NULL, NULL};
	static int      mathTagLen[] = {0, 0};
	int i;
	if (!mathModInitialized) {
		if (ServiceExists(MATH_GET_PARAMS)) {
			char* mthDelStart =  (char *)CallService(MATH_GET_PARAMS, (WPARAM)MATH_PARAM_STARTDELIMITER, 0);
			char* mthDelEnd   =  (char *)CallService(MATH_GET_PARAMS, (WPARAM)MATH_PARAM_ENDDELIMITER, 0);
			if (mthDelStart!=NULL) {
				mathTagName[0] = mir_a2t(mthDelStart);
				mathTagLen[0] = (int)wcslen(mathTagName[0]);
			}
			if (mthDelEnd!=NULL) {
				mathTagName[1] = mir_a2t(mthDelEnd);
				mathTagLen[1] = (int)wcslen(mathTagName[1]);
			}
			CallService(MTH_FREE_MATH_BUFFER,0, (LPARAM) mthDelStart);
			CallService(MTH_FREE_MATH_BUFFER,0, (LPARAM) mthDelEnd);
		}
		mathModInitialized = true;
	}
	int textLen = 0;
	int l = (int)wcslen(text);
	for (i=0; i<=l;) {
		bool mathFound = false;
		int k = 0, tagDataStart=0, newTokenType = 0, newTokenSize = 0;
		if (mathTagName[0] != NULL && mathTagName[1] != NULL) {
			if (!wcsnicmp(text+i, mathTagName[0], mathTagLen[0])) {
				k = tagDataStart = i + mathTagLen[0];
				for (; k < l; k++) {
					if (!wcsnicmp(text+k, mathTagName[1], mathTagLen[1])) {
						k += mathTagLen[1];
						mathFound = true;
						break;
					}
				}
			}
		}
		if (mathFound) {
			mathToken = new TextToken(MATH, text + tagDataStart, k - mathTagLen[1] - tagDataStart);
			char* mathPath=(char*)CallService(MTH_GET_GIF_UNICODE, 0, (LPARAM) mathToken->getTextW());
			if (mathPath!=NULL) {
				mathToken->setLink(mathPath);
				CallService(MTH_FREE_GIFPATH, 0, (LPARAM) mathPath);
			} else {
				mathToken->setLink("");
			}
			mathToken->setEnd(false);
			newTokenType = MATH;
			newTokenSize = k - i;
		} else {
			if (i==l) {
				newTokenType = END;
				newTokenSize = 1;
			} else {
				newTokenType = TEXT;
				newTokenSize = 1;
			}
		}
		if (newTokenType != TEXT) {
			if (textLen >0 ) {
				TextToken *newToken = new TextToken(TEXT, text+i-textLen, textLen);
				textLen = 0;
				if (lastToken == NULL) {
					firstToken = newToken;
				} else {
					lastToken->setNext(newToken);
				}
				lastToken = newToken;
			}
			if (newTokenType == MATH) {
				if (lastToken == NULL) {
					firstToken = mathToken;
				} else {
					lastToken->setNext(mathToken);
				}
				lastToken = mathToken;
			}
		} else {
			textLen += newTokenSize;
		}
		i += newTokenSize;
	}
	return firstToken;
}
// TODO: Add the following BBCodes: code
#define BB_TAG_NUM 10
TextToken* TextToken::tokenizeBBCodes(const wchar_t *text, int l) {
	static const wchar_t *bbTagName[] = {L"b", L"i", L"u", L"s", L"img", L"color", L"size", L"bimg", L"url", L"code"};
	static int 		bbTagNameLen[] = {1, 1, 1, 1, 3, 5, 4, 4, 3, 4};
	static int 		bbTagArg[] = {0, 0, 0, 0, 0, 1, 1, 0, 1, 0};
	static int 		bbTagId[] = {BB_B, BB_I, BB_U, BB_S, BB_IMG, BB_COLOR, BB_SIZE, BB_BIMG, BB_URL, BB_CODE};
	static int      bbTagEnd[BB_TAG_NUM];
	static int      bbTagCount[BB_TAG_NUM];
	int i,j;
	TextToken *firstToken = NULL, *lastToken = NULL, * bbToken = NULL;
	int textLen = 0;
	for (j = 0; j < BB_TAG_NUM; j++) {
		bbTagCount[j] = 0;
		bbTagEnd[j] = 0;
	}
	for (i = 0; i <= l;) {
		int k, tagArgStart=0, tagArgEnd=0, tagDataStart=0, newTokenType = 0, newTokenSize = 0;
		bool bbFound = false;
		if (text[i] == '[') {
			if (text[i+1] != '/') {
				for (j = 0; j < BB_TAG_NUM; j++) {
					k = i + 1;
					if (!wcsnicmp(text+k, bbTagName[j], bbTagNameLen[j])) {
						tagArgStart = tagArgEnd = 0;
						k += bbTagNameLen[j];
						if (bbTagArg[j]) {
							if (text[k] != '=') continue;
							k++;
							tagArgStart = k;
							for (; text[k]!='\0'; k++) {
								if (text[k]==']') break;
							}
							tagArgEnd = k;
						}
						if (text[k] == ']') {
							k++;
							tagDataStart = k;
							if (k < bbTagEnd[j]) k = bbTagEnd[j];
							for (; k < l; k++) {
								if (text[k] == '[' && text[k+1] == '/') {
									k += 2;
									if (!wcsnicmp(text+k, bbTagName[j], bbTagNameLen[j])) {
										k += bbTagNameLen[j];
										if (text[k] == ']') {
											k++;
											bbFound = true;
											break;
										}
									}
								}
							}
							if (bbFound) break;
						}
					}
				}
				if (bbFound) {
					bbTagEnd[j] = k;
					switch (bbTagId[j]) {
					case BB_B:
					case BB_I:
					case BB_U:
					case BB_S:
					case BB_CODE:
					case BB_COLOR:
					case BB_SIZE:
						bbTagCount[j]++;
						if (bbTagArg[j]) {
							bbToken = new TextToken(BBCODE, text + tagArgStart, tagArgEnd - tagArgStart);
						} else {
							bbToken = new TextToken(BBCODE, bbTagName[j], bbTagNameLen[j]);
						}
						bbToken->setTag(bbTagId[j]);
						bbToken->setEnd(false);
						newTokenType = BBCODE;
						newTokenSize = tagDataStart - i;
						break;
					case BB_URL:
					case BB_IMG:
					case BB_BIMG:
						bbToken = new TextToken(BBCODE, text + tagDataStart, k - bbTagNameLen[j] - 3 - tagDataStart);
						bbToken->setTag(bbTagId[j]);
						bbToken->setEnd(false);
						newTokenType = BBCODE;
						newTokenSize = k - i;
						if (bbTagArg[j]) {
							wchar_t *urlLink = 	mir_tstrndup(text + tagArgStart, tagArgEnd - tagArgStart);
							bbToken->setLink(urlLink);
							delete urlLink;
						}
						break;
					}
				}
			} else {
				for (j = 0; j < BB_TAG_NUM; j++) {
					k = i + 2;
					if (bbTagCount[j]>0 && !wcsnicmp(text+k, bbTagName[j], bbTagNameLen[j])) {
						k += bbTagNameLen[j];
						if (text[k] == ']') {
							k++;
							bbFound = true;
							break;
						}
					}
				}
				if (bbFound) {
					bbTagCount[j]--;
					bbToken = new TextToken(BBCODE, bbTagName[j], bbTagNameLen[j]);
					bbToken->setEnd(true);
					bbToken->setTag(bbTagId[j]);
					newTokenType = BBCODE;
					newTokenSize = k - i;
				}
			}
		}
		if (!bbFound) {
			if (i==l) {
				newTokenType = END;
				newTokenSize = 1;
			} else {
				newTokenType = TEXT;
				newTokenSize = 1;
			}
		}
		if (newTokenType != TEXT) {
			if (textLen >0 ) {
				TextToken *newToken = new TextToken(TEXT, text+i-textLen, textLen);
				textLen = 0;
				if (lastToken == NULL) {
					firstToken = newToken;
				} else {
					lastToken->setNext(newToken);
				}
				lastToken = newToken;
			}
			if (newTokenType == BBCODE) {
				if (lastToken == NULL) {
					firstToken = bbToken;
				} else {
					lastToken->setNext(bbToken);
				}
				lastToken = bbToken;
			}
		} else {
			textLen += newTokenSize;
		}
		i += newTokenSize;
	}
	return firstToken;
}

TextToken* TextToken::tokenizeLinks(const wchar_t *text) {
	TextToken *firstToken = NULL, *lastToken = NULL;
	int textLen = 0;
	int l = (int)wcslen(text);
	for (int i=0; i<=l;) {
		int newTokenType, newTokenSize;
		int urlLen = Utils::detectURL(text+i);
		if (i == l) {
			newTokenType = END;
			newTokenSize = 1;
		} else if (urlLen > 0) {
			newTokenType = LINK;
			newTokenSize = urlLen;
		} else if (!wcsncmp(text+i, L"www.", 4)) {
			newTokenType = WWWLINK;
			newTokenSize = countNoWhitespace(text+i);
	 	} else if (!wcsncmp(text+i, L"mailto:", 7)) {
			newTokenType = LINK;
			newTokenSize = countNoWhitespace(text+i);
		} else {
			newTokenType = TEXT;
			newTokenSize = 1;
		}
		if (newTokenType != TEXT) {
			if (textLen >0 ) {
				TextToken *newToken = new TextToken(TEXT, text+i-textLen, textLen);
				textLen = 0;
				if (lastToken == NULL) {
					firstToken = newToken;
				} else {
					lastToken->setNext(newToken);
				}
				lastToken = newToken;
			}
			if (newTokenType == WWWLINK || newTokenType == LINK) {
				TextToken *newToken = new TextToken(newTokenType, text+i, newTokenSize);
				newToken->setLink(newToken->getText());
				if (lastToken == NULL) {
					firstToken = newToken;
				} else {
					lastToken->setNext(newToken);
				}
				lastToken = newToken;
			}
		} else {
			textLen += newTokenSize;
		}
		i += newTokenSize;
	}
	return firstToken;
}

TextToken* TextToken::tokenizeSmileys(HANDLE hContact, const char *proto, const wchar_t *text, bool isSent) {
	TextToken *firstToken = NULL, *lastToken = NULL;
	SMADD_BATCHPARSE2 sp;
	SMADD_BATCHPARSERES *spRes;
	int l = (int)wcslen(text);
	if (!Options::isSmileyAdd()) {
		return new TextToken(TEXT, text, l);
	}
	sp.cbSize = sizeof(sp);
	sp.Protocolname = proto;
	sp.flag = SAFL_PATH | SAFL_UNICODE | (isSent ? SAFL_OUTGOING : 0);
	sp.wstr = (wchar_t *)text;
	sp.hContact = hContact;
	spRes = (SMADD_BATCHPARSERES *) CallService(MS_SMILEYADD_BATCHPARSE, 0, (LPARAM)&sp);
	int last_pos = 0;
	if (spRes != NULL) {
		for (int i = 0; i < (int)sp.numSmileys; i++) {
			if (spRes[i].filepath != NULL && strlen((char *)spRes[i].filepath) > 0) {
				if ((int)spRes[i].startChar - last_pos > 0) {
					TextToken *newToken = new TextToken(TEXT, text+last_pos, spRes[i].startChar-last_pos);
					if (lastToken == NULL) {
						firstToken = newToken;
					} else {
						lastToken->setNext(newToken);
					}
					lastToken = newToken;
				}
				TextToken *newToken = new TextToken(SMILEY, text+spRes[i].startChar, spRes[i].size);
				if (sp.oflag & SAFL_UNICODE) {
					newToken->setLink((wchar_t *)spRes[i].filepath);
				} else {
					newToken->setLink((char *)spRes[i].filepath);
				}
				if (lastToken == NULL) {
					firstToken = newToken;
				} else {
					lastToken->setNext(newToken);
				}
				lastToken = newToken;
				last_pos = spRes[i].startChar + spRes[i].size;
			}
		}
		CallService(MS_SMILEYADD_BATCHFREE, 0, (LPARAM)spRes);
	}
	if (last_pos < l)  {
		TextToken *newToken = new TextToken(TEXT, text+last_pos, l-last_pos);
		if (lastToken == NULL) {
			firstToken = newToken;
		} else {
			lastToken->setNext(newToken);
		}
		lastToken = newToken;
	}
	return firstToken;
}

TextToken* TextToken::tokenizeChatFormatting(const wchar_t *text) {
	TextToken *firstToken = NULL, *lastToken = NULL;
	int textLen = 0;
	int l = (int)wcslen(text);
	wchar_t* tokenBuffer = new wchar_t[l + 1];
	for (int i=0; i<=l;) {
		int newTokenType = TEXT;
		int newTokenSize = 1;
		int newTokenTag = 0;
		int newTokenTextLen = 0;
		const wchar_t * newTokenText = NULL;
		bool endToken = false;


		if (i==l) {
			newTokenType = END;
		} else {
			if (text[i] == '%') {
				newTokenSize = 2;
				switch (text[i + 1]) {
					case '%':
						break;
					case 'B':
						endToken = true;
					case 'b':
						newTokenType = BBCODE;
						newTokenTag = BB_B;
						break;
					case 'U':
						endToken = true;
					case 'u':
						newTokenType = BBCODE;
						newTokenTag = BB_U;
						break;
					case 'I':
						endToken = true;
					case 'i':
						newTokenType = BBCODE;
						newTokenTag = BB_I;
						break;
					case 'C':
						endToken = true;
					case 'c':
						newTokenType = BBCODE;
						newTokenTag = BB_COLOR;
						if (!endToken) {
							newTokenText = text + i + 2;
							newTokenTextLen = 7;
							newTokenSize = 9;
						}
						break;
					case 'F':
						endToken = true;
					case 'f':
						newTokenType = BBCODE;
						newTokenTag = BB_BACKGROUND;
						if (!endToken) {
							newTokenText = text + i + 2;
							newTokenTextLen = 7;
							newTokenSize = 9;
						}
						break;
					default:
						newTokenSize = 1;
				}
			}
		}
		if (newTokenType != TEXT) {
			if (textLen >0 ) {
				TextToken *newToken = new TextToken(TEXT, tokenBuffer, textLen);
				textLen = 0;
				if (lastToken == NULL) {
					firstToken = newToken;
				} else {
					lastToken->setNext(newToken);
				}
				lastToken = newToken;
			}
			if (newTokenType == BBCODE) {
				TextToken *newToken = new TextToken(newTokenType, newTokenText, newTokenTextLen);
				newToken->setEnd(endToken);
				newToken->setTag(newTokenTag);
				if (lastToken == NULL) {
					firstToken = newToken;
				} else {
					lastToken->setNext(newToken);
				}
				lastToken = newToken;
			}
		} else {
			tokenBuffer[textLen] = text[i];
			textLen++;
		}
		i += newTokenSize;
	}
	return firstToken;
}

wchar_t *TextToken::htmlEncode(const wchar_t *str) {
	wchar_t *out;
	const wchar_t *ptr;
	bool wasSpace;
	int c;
	c = 0;
	wasSpace = false;
	for (ptr=str; *ptr!='\0'; ptr++) {
		if (*ptr==' ' && wasSpace) {
			wasSpace = true;
			c += 6;
		} else {
			wasSpace = false;
			switch (*ptr) {
				case '\n': c += 4; break;
				case '\r': break;
				case '&': c += 5; break;
				case '>': c += 4; break;
				case '<': c += 4; break;
				case '"': c += 6; break;
				case ' ': wasSpace = true;
				default: c += 1; break;
			}
		}
	}
	wchar_t *output = new wchar_t[c+1];
	wasSpace = false;
	for (out=output, ptr=str; *ptr!='\0'; ptr++) {
		if (*ptr==' ' && wasSpace) {
			wcscpy(out, L"&nbsp;");
			out += 6;
		} else {
			wasSpace = false;
			switch (*ptr) {
				case '\n': wcscpy(out, L"<br>"); out += 4; break;
				case '\r': break;
				case '&': wcscpy(out, L"&amp;"); out += 5; break;
				case '>': wcscpy(out, L"&gt;"); out += 4; break;
				case '<': wcscpy(out, L"&lt;"); out += 4; break;
				case '"': wcscpy(out, L"&quot;"); out += 6; break;
				case ' ': wasSpace = true;
				default: *out = *ptr; out += 1; break;
			}
		}
	}
	*out  = '\0';
	return output;
}

void TextToken::toString(wchar_t **str, int *sizeAlloced) {
	wchar_t *eText = NULL, *eLink = NULL;
	switch (type) {
		case TEXT:
			eText = htmlEncode(wtext);
			Utils::appendText(str, sizeAlloced, L"%s", eText);
			break;
		case WWWLINK:
		case LINK:
			{
				eText = htmlEncode(wtext);
				eLink = htmlEncode(wlink);
				const wchar_t *linkPrefix = type == WWWLINK ? L"http://" : L"";
				if ((Options::getGeneralFlags()&Options::GENERAL_ENABLE_EMBED)) {
					wchar_t *match = wcsstr(wlink, L"youtube.com");
					if (match != NULL) {
						match = wcsstr(match + 11, L"v=");
						if (match != NULL) {
							match += 2;
							wchar_t *match2 = wcsstr(match, L"&");
							int len = match2 != NULL ? match2 - match : (int)wcslen(match);
							match = mir_wstrdup(match);
							match[len] = 0;
							int width ;
							int height;
							int Embedsize = Options::getEmbedsize();
							switch (Embedsize){
							case 0:
								width = 320;
								height = 205;
								break;
							case 1:
								width = 480;
								height = 385;
								break;
							case 2:
								width = 560;
								height = 349;
								break;
							case 3:
								width = 640;
								height = 390;
								break;

							};

							Utils::appendText(str, sizeAlloced, L"<div><object width=\"%d\" height=\"%d\">\
																	 <param name=\"movie\" value=\"http://www.youtube.com/v/%s&feature=player_embedded&version=3\"/>\
																 <param name=\"allowFullScreen\" value=\"true\"/>\
																 <param name=\"allowScriptAccess\" value=\"true\"/>\
																 <embed src=\"http://www.youtube.com/v/%s&feature=player_embedded&version=3\" type=\"application/x-shockwave-flash\" allowfullscreen=\"true\" allowScriptAccess=\"always\" width=\"%d\" height=\"%d\"/>\
																 </object></div>", width, height, match, match, width, height);
							mir_free(match);
							break;
						}
					}
				}
				Utils::appendText(str, sizeAlloced, L"<a class=\"link\" target=\"_self\" href=\"%s%s\">%s</a>", linkPrefix, eLink, eText);
			}
			break;
		case SMILEY:
			eText = htmlEncode(wtext);
			if ((Options::getGeneralFlags()&Options::GENERAL_ENABLE_FLASH) && (wcsstr(wlink, L".swf")!=NULL)) {
				Utils::appendText(str, sizeAlloced,
		L"<span title=\"%s\" class=\"img\"><object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" \
		codebase=\"http://active.macromedia.com/flash2/cabs/swflash.cab#version=4,0,0,0\" >\
		<param NAME=\"movie\" VALUE=\"%s\"><param NAME=\"quality\" VALUE=\"high\"><PARAM NAME=\"loop\" VALUE=\"true\"></object></span><span style=\"position:absolute; visibility:hidden;\">%s</span>",
				eText, wlink, eText);
			} else if ((Options::getGeneralFlags()&Options::GENERAL_ENABLE_PNGHACK) && (wcsstr(wlink, L".png")!=NULL)) {
				Utils::appendText(str, sizeAlloced, L"<img class=\"img\" style=\"height:1px;width:1px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='%s',sizingMethod='image');\" title=\"%s\" alt=\"%s\"/><span style=\"position:absolute; visibility:hidden;\">%s</span>", wlink, eText, eText, eText);
			} else {
				Utils::appendText(str, sizeAlloced, L"<img class=\"img\" src=\"file://%s\" title=\"%s\" alt=\"%s\" /><span style=\"position:absolute; visibility:hidden;\">%s</span>", wlink, eText, eText, eText);
			}
			break;
		case MATH:
			eText = htmlEncode(wtext);
			if ((Options::getGeneralFlags()&Options::GENERAL_ENABLE_PNGHACK) && (wcsstr(wlink, L".png")!=NULL)) {
				Utils::appendText(str, sizeAlloced, L"<img class=\"img\" style=\"height:1px;width:1px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='%s',sizingMethod='image');\"  alt=\"%s\" /><span style=\"position:absolute; visibility:hidden;\">%s</span>",wlink , eText, eText);
			} else {
				Utils::appendText(str, sizeAlloced, L"<img class=\"img\" src=\"file://%s\" alt=\"%s\" /><span style=\"position:absolute; visibility:hidden;\">%s</span>", wlink, eText, eText);
			}
			break;
		case BBCODE:
			if (!end) {
				switch (tag) {
				case BB_B:
					//Utils::appendText(str, sizeAlloced, L"<span style=\"font-weight: bold;\">");
					Utils::appendText(str, sizeAlloced, L"<b>");
					break;
				case BB_I:
					//Utils::appendText(str, sizeAlloced, L"<span style=\"font-style: italic;\">");
					Utils::appendText(str, sizeAlloced, L"<i>");
					break;
				case BB_U:
					//Utils::appendText(str, sizeAlloced, L"<span style=\"text-decoration: underline;\">");
					Utils::appendText(str, sizeAlloced, L"<u>");
					break;
				case BB_S:
					//Utils::appendText(str, sizeAlloced, L"<span style=\"font-style: italic;\">");
					Utils::appendText(str, sizeAlloced, L"<s>");
					break;
				case BB_CODE:
					//Utils::appendText(str, sizeAlloced, L"<span style=\"font-style: italic;\">");
					Utils::appendText(str, sizeAlloced, L"<pre class=\"code\">");
					break;
				case BB_IMG:
					eText = htmlEncode(wtext);
					if ((Options::getGeneralFlags()&Options::GENERAL_ENABLE_FLASH) && (wcsstr(eText, L".swf")!=NULL)) {
						Utils::appendText(str, sizeAlloced,
		L"<div style=\"width: 100%%; border: 0; overflow: hidden;\"><object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" \
		codebase=\"http://active.macromedia.com/flash2/cabs/swflash.cab#version=4,0,0,0\" width=\"100%%\" >\
		<param NAME=\"movie\" VALUE=\"%s\"><param NAME=\"quality\" VALUE=\"high\"><PARAM NAME=\"loop\" VALUE=\"true\"></object></div>",
						eText);
					} else if ((Options::getGeneralFlags()&Options::GENERAL_ENABLE_PNGHACK) && (wcsstr(eText, L".png")!=NULL)) {
						Utils::appendText(str, sizeAlloced, L"<img class=\"img\" style=\"height:1px;width:1px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='%s',sizingMethod='image');\" />", eText);
					} else {
						if (wcsncmp(eText, L"http://", 7)) {
							Utils::appendText(str, sizeAlloced, L"<div style=\"width: 100%%; border: 0; overflow: hidden;\"><img class=\"img\" style=\"width: expression((maxw = this.parentNode.offsetWidth ) > this.width ? 'auto' : maxw);\" src=\"file://%s\" /></div>", eText);
						} else {
							Utils::appendText(str, sizeAlloced, L"<div style=\"width: 100%%; border: 0; overflow: hidden;\"><img class=\"img\" style=\"width: expression((maxw = this.parentNode.offsetWidth ) > this.width ? 'auto' : maxw);\" src=\"%s\" /></div>", eText);
						}
					}
					break;
				case BB_BIMG:
					{
						wchar_t *absolutePath = Utils::toAbsolute(wtext);
						eText = htmlEncode(absolutePath);
						delete absolutePath;
					}
					if ((Options::getGeneralFlags()&Options::GENERAL_ENABLE_FLASH) && (wcsstr(eText, L".swf")!=NULL)) {
						Utils::appendText(str, sizeAlloced,
		L"<div style=\"width: 100%%; border: 0; overflow: hidden;\"><object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" \
		codebase=\"http://active.macromedia.com/flash2/cabs/swflash.cab#version=4,0,0,0\" width=\"100%%\" >\
		<param NAME=\"movie\" VALUE=\"%s\"><param NAME=\"quality\" VALUE=\"high\"><PARAM NAME=\"loop\" VALUE=\"true\"></object></div>",
						eText);
					} else if ((Options::getGeneralFlags()&Options::GENERAL_ENABLE_PNGHACK) && (wcsstr(eText, L".png")!=NULL)) {
						Utils::appendText(str, sizeAlloced, L"<img class=\"img\" style=\"height:1px;width:1px;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='%s',sizingMethod='image');\" />", eText);
					} else {
						Utils::appendText(str, sizeAlloced, L"<div style=\"width: 100%%; border: 0; overflow: hidden;\"><img class=\"img\" style=\"width: expression((maxw = this.parentNode.offsetWidth ) > this.width ? 'auto' : maxw);\" src=\"file://%s\" /></div>", eText);
					}
					break;
				case BB_URL:
					eText = htmlEncode(wtext);
					eLink = htmlEncode(wlink);
					Utils::appendText(str, sizeAlloced, L"<a href =\"%s\">%s</a>", eLink, eText);
					break;
				case BB_COLOR:
					eText = htmlEncode(wtext);
					//Utils::appendText(str, sizeAlloced, L"<span style=\"color: %s;\">", eText);
					Utils::appendText(str, sizeAlloced, L"<font color =\"%s\">", eText);
					break;
				case BB_BACKGROUND:
					eText = htmlEncode(wtext);
					Utils::appendText(str, sizeAlloced, L"<span style=\"background: %s;\">", eText);
					break;
				case BB_SIZE:
					eText = htmlEncode(wtext);
					Utils::appendText(str, sizeAlloced, L"<span style=\"font-size: %s;\">", eText);
					break;
				}
			} else {
				switch (tag) {
				case BB_B:
					Utils::appendText(str, sizeAlloced, L"</b>");
					break;
				case BB_I:
					Utils::appendText(str, sizeAlloced, L"</i>");
					break;
				case BB_U:
					Utils::appendText(str, sizeAlloced, L"</u>");
					break;
				case BB_S:
					Utils::appendText(str, sizeAlloced, L"</s>");
					break;
				case BB_CODE:
					Utils::appendText(str, sizeAlloced, L"</pre>");
					break;
				case BB_COLOR:
					Utils::appendText(str, sizeAlloced, L"</font>");
					break;
				case BB_SIZE:
					Utils::appendText(str, sizeAlloced, L"</span>");
					break;
				case BB_BACKGROUND:
					Utils::appendText(str, sizeAlloced, L"</span>");
					break;
				}
			}
			break;
	}
	if (eText!=NULL) delete eText;
	if (eLink!=NULL) delete eLink;
}