From bcb704366cb5e333a626c18c308c7e0448a8e69f Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kopete/protocols/oscar/liboscar/rtf.ll | 864 +++++++++++++++++++++++++++++++++ 1 file changed, 864 insertions(+) create mode 100644 kopete/protocols/oscar/liboscar/rtf.ll (limited to 'kopete/protocols/oscar/liboscar/rtf.ll') diff --git a/kopete/protocols/oscar/liboscar/rtf.ll b/kopete/protocols/oscar/liboscar/rtf.ll new file mode 100644 index 00000000..d982234b --- /dev/null +++ b/kopete/protocols/oscar/liboscar/rtf.ll @@ -0,0 +1,864 @@ +%{ +/* + rtf.ll - A simple RTF Parser (Flex code) + + Copyright (c) 2002 by Vladimir Shutoff (original code) + Copyright (c) 2004 by Thiago S. Barcelos (Kopete port) + Kopete (c) 2002-2003 by the Kopete developers + + ************************************************************************* + * * + * 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. * + * * + ************************************************************************* + +update rtf.cc: +flex -olex.yy.c `test -f rtf.ll || echo './'`rtf.ll +sed '/^#/ s|lex.yy\.c|rtf.cc|' lex.yy.c >rtf.cc +rm -f lex.yy.c + +*/ + +#define UP 1 +#define DOWN 2 +#define CMD 3 +#define TXT 4 +#define HEX 5 +#define IMG 6 +#define UNICODE_CHAR 7 +#define SKIP 8 +#define SLASH 9 +#define S_TXT 10 + +#define YY_NEVER_INTERACTIVE 1 +#define YY_ALWAYS_INTERACTIVE 0 +#define YY_MAIN 0 + +%} + +%option nounput +%option nostack +%option prefix="rtf" + +%% + +"{" { return UP; } +"}" { return DOWN; } +"\\"[\\\{\}] { return SLASH; } +"\\u"[0-9]{3,7}[ ]?"?" { return UNICODE_CHAR; } +"\\"[A-Za-z]+[0-9]*[ ]? { return CMD; } +"\\'"[0-9A-Fa-f][0-9A-Fa-f] { return HEX; } +"<##"[^>]+">" { return IMG; } +[^\\{}<]+ { return TXT; } +. { return TXT; } +%% + +#include "rtf2html.h" + +void ParStyle::clearFormatting() +{ + // For now, do nothing. + // dir is not a formatting item. +} + +QString RTF2HTML::quoteString(const QString &_str, quoteMode mode) +{ + QString str = _str; + str.replace(QRegExp("&"), "&"); + str.replace(QRegExp("<"), "<"); + str.replace(QRegExp(">"), ">"); + str.replace(QRegExp("\""), """); + str.replace(QRegExp("\r"), ""); + switch (mode){ + case quoteHTML: + str.replace(QRegExp("\n"), "
\n"); + break; + case quoteXML: + str.replace(QRegExp("\n"), "
\n"); + break; + default: + break; + } + QRegExp re(" +"); + int len; + int pos = 0; + + while ((pos = re.search(str, pos)) != -1) { + len = re.matchedLength(); + + if (len == 1) + continue; + QString s = " "; + for (int i = 1; i < len; i++) + s += " "; + str.replace(pos, len, s); + } + return str; +} + +RTF2HTML::RTF2HTML() + : cur_level(this) +{ + rtf_ptr = NULL; + bExplicitParagraph = false; +} + +OutTag* RTF2HTML::getTopOutTag(TagEnum tagType) +{ + vector::iterator it, it_end; + for(it = oTags.begin(), it_end = oTags.end(); it != it_end; ++it) + if (it->tag == tagType) + return &(*it); + return NULL; +} + +void RTF2HTML::FlushOutTags() +{ + vector::iterator iter; + for (iter = oTags.begin(); iter != oTags.end(); iter++) + { + OutTag &t = *iter; + switch (t.tag){ + case TAG_FONT_COLOR: + { + // RTF colors are 1-based; colors[] is a 0-based array. + if (t.param > colors.size() || t.param == 0) + break; + QColor &c = colors[t.param-1]; + PrintUnquoted("", c.red(), c.green(), c.blue()); + } + break; + case TAG_FONT_SIZE: + PrintUnquoted("", t.param); + break; + case TAG_FONT_FAMILY: + { + FontDef &f = fonts[t.param-1]; + string name = (!f.nonTaggedName.empty()) ? f.nonTaggedName : f.taggedName; + PrintUnquoted("", name.c_str()); + } + break; + case TAG_BG_COLOR:{ + if (t.param > colors.size()) + break; + QColor &c = colors[t.param]; + PrintUnquoted("", c.red(), c.green(), c.blue()); + break; + } + case TAG_BOLD: + PrintUnquoted(""); + break; + case TAG_ITALIC: + PrintUnquoted(""); + break; + case TAG_UNDERLINE: + PrintUnquoted(""); + break; + default: + break; + } + } + oTags.clear(); +} + +// This function will close the already-opened tag 'tag'. It will take +// care of closing the tags which 'tag' contains first (ie. it will unroll +// the stack till the point where 'tag' is). +void Level::resetTag(TagEnum tag) +{ + // A stack which'll keep tags we had to close in order to reach 'tag'. + // After we close 'tag', we will reopen them. + stack s; + + while (p->tags.size() > m_nTagsStartPos){ // Don't go further than the point where this level starts. + + TagEnum nTag = p->tags.top(); + + /* A tag will be located in oTags if it still wasn't printed out. + A tag will get printed out only if necessary (e.g. will + be optimized away). + Thus, for each tag we remove from the actual tag stack, we also + try to remove a yet-to-be-printed tag, and only if there are no + yet-to-be-printed tags left, we start closing the tags we pop. + The tags have one space - needed for umlaute (�) and .utf8() + */ + if (p->oTags.empty()){ + switch (nTag){ + case TAG_FONT_COLOR: + case TAG_FONT_SIZE: + case TAG_BG_COLOR: + case TAG_FONT_FAMILY: + p->PrintUnquoted(" "); + break; + case TAG_BOLD: + p->PrintUnquoted(" "); + break; + case TAG_ITALIC: + p->PrintUnquoted(" "); + break; + case TAG_UNDERLINE: + p->PrintUnquoted(" "); + break; + default: + break; + } + }else{ + p->oTags.pop_back(); + } + + p->tags.pop(); + if (nTag == tag) break; // if we reached the tag we were looking to close. + s.push(nTag); // remember to reopen this tag + } + + if (tag == TAG_ALL) return; + + while (!s.empty()){ + TagEnum nTag = s.top(); + switch (nTag){ + case TAG_FONT_COLOR:{ + unsigned nFontColor = m_nFontColor; + m_nFontColor = 0; + setFontColor(nFontColor); + break; + } + case TAG_FONT_SIZE:{ + unsigned nFontSize = m_nFontSize; + m_nFontSize = 0; + setFontSize(nFontSize); + break; + } + case TAG_BG_COLOR:{ + unsigned nFontBgColor = m_nFontBgColor; + m_nFontBgColor = 0; + setFontBgColor(nFontBgColor); + break; + } + case TAG_FONT_FAMILY:{ + unsigned nFont = m_nFont; + m_nFont = 0; + setFont(nFont); + break; + } + case TAG_BOLD:{ + bool nBold = m_bBold; + m_bBold = false; + setBold(nBold); + break; + } + case TAG_ITALIC:{ + bool nItalic = m_bItalic; + m_bItalic = false; + setItalic(nItalic); + break; + } + case TAG_UNDERLINE:{ + bool nUnderline = m_bUnderline; + m_bUnderline = false; + setUnderline(nUnderline); + break; + } + default: + break; + } + s.pop(); + } +} + +Level::Level(RTF2HTML *_p) : + p(_p), + m_bFontTbl(false), + m_bColors(false), + m_bFontName(false), + m_bTaggedFontNameOk(false), + m_nFont(0), + m_nEncoding(0) +{ + m_nTagsStartPos = p->tags.size(); + Init(); +} + +Level::Level(const Level &l) : + p(l.p), + m_bFontTbl(l.m_bFontTbl), + m_bColors(l.m_bColors), + m_bFontName(false), + m_bTaggedFontNameOk(l.m_bTaggedFontNameOk), + m_nFont(l.m_nFont), + m_nEncoding(l.m_nEncoding) +{ + m_nTagsStartPos = p->tags.size(); + Init(); +} + +void Level::Init() +{ + m_nFontColor = 0; + m_nFontBgColor = 0; + m_nFontSize = 0; + m_bFontName = false; + m_bBold = false; + m_bItalic = false; + m_bUnderline = false; +} + +void RTF2HTML::PrintUnquoted(const char *str, ...) +{ + char buff[1024]; + va_list ap; + va_start(ap, str); + vsnprintf(buff, sizeof(buff), str, ap); + va_end(ap); + sParagraph += buff; +} + +void RTF2HTML::PrintQuoted(const QString &str) +{ + sParagraph += quoteString(str); +} + +void RTF2HTML::FlushParagraph() +{ + if (!bExplicitParagraph || sParagraph.isEmpty()) + return; + + /* + s += "

"; + s += sParagraph; + s += "

"; + */ + + s += sParagraph; + s += "
"; + + // Clear up the paragraph members + sParagraph = ""; + bExplicitParagraph = false; +} + +void Level::setFont(unsigned nFont) +{ + if (nFont <= 0) + return; + + if (m_bFontTbl){ + if (nFont > p->fonts.size() +1){ + kdDebug(14200) << "Invalid font index (" << + nFont << ") while parsing font table." << endl; + return; + } + if (nFont > p->fonts.size()){ + FontDef f; + f.charset = 0; + p->fonts.push_back(f); + } + m_nFont = nFont; + } + else + { + if (nFont > p->fonts.size()) + { + kdDebug(14200) << "Invalid font index (" << + nFont << ")." << endl; + return; + } + if (m_nFont == nFont) + return; + m_nFont = nFont; + if (m_nFont) resetTag(TAG_FONT_FAMILY); + m_nEncoding = p->fonts[nFont-1].charset; + p->oTags.push_back(OutTag(TAG_FONT_FAMILY, nFont)); + p->PutTag(TAG_FONT_FAMILY); + } +} + +void Level::setFontName() +{ + // This function is only valid during font table parsing. + if (m_bFontTbl){ + if ((m_nFont > 0) && (m_nFont <= p->fonts.size())) + // Be prepared to accept a font name. + m_bFontName = true; + } +} + +void Level::setEncoding(unsigned nEncoding) +{ + if (m_bFontTbl){ + if ((m_nFont > 0) && (m_nFont <= p->fonts.size())) + p->fonts[m_nFont-1].charset = nEncoding; + return; + } + m_nEncoding = nEncoding; +} + +void Level::setBold(bool bBold) +{ + if (m_bBold == bBold) return; + if (m_bBold) resetTag(TAG_BOLD); + m_bBold = bBold; + if (!m_bBold) return; + p->oTags.push_back(OutTag(TAG_BOLD, 0)); + p->PutTag(TAG_BOLD); +} + +void Level::setItalic(bool bItalic) +{ + if (m_bItalic == bItalic) return; + if (m_bItalic) resetTag(TAG_ITALIC); + m_bItalic = bItalic; + if (!m_bItalic) return; + p->oTags.push_back(OutTag(TAG_ITALIC, 0)); + p->PutTag(TAG_ITALIC); +} + +void Level::setUnderline(bool bUnderline) +{ + if (m_bUnderline == bUnderline) return; + if (m_bUnderline) resetTag(TAG_UNDERLINE); + m_bUnderline = bUnderline; + if (!m_bUnderline) return; + p->oTags.push_back(OutTag(TAG_UNDERLINE, 0)); + p->PutTag(TAG_UNDERLINE); +} + +void Level::setFontColor(unsigned short nColor) +{ + if (m_nFontColor == nColor) return; + if (m_nFontColor) resetTag(TAG_FONT_COLOR); + if (nColor > p->colors.size()) return; + m_nFontColor = nColor; + p->oTags.push_back(OutTag(TAG_FONT_COLOR, m_nFontColor)); + p->PutTag(TAG_FONT_COLOR); +} + +void Level::setFontBgColor(unsigned short nColor) +{ + if (m_nFontBgColor == nColor) return; + if (m_nFontBgColor != 0) resetTag(TAG_BG_COLOR); + if (nColor > p->colors.size()) return; + m_nFontBgColor = nColor; + p->oTags.push_back(OutTag(TAG_BG_COLOR, m_nFontBgColor)); + p->PutTag(TAG_BG_COLOR); +} + +void Level::setFontSizeHalfPoints(unsigned short nSize) +{ + setFontSize(nSize / 2); +} + +void Level::setFontSize(unsigned short nSize) +{ + if (m_nFontSize == nSize) return; + if (m_nFontSize) resetTag(TAG_FONT_SIZE); + p->oTags.push_back(OutTag(TAG_FONT_SIZE, nSize)); + p->PutTag(TAG_FONT_SIZE); + m_nFontSize = nSize; +} + +void Level::startParagraph() +{ + // Whatever tags we have open now, close them. + // We cannot carry let character formatting tags wrap paragraphs, + // since a formatting tag can close at any time and we cannot + // close the paragraph any time we want. + resetTag(TAG_ALL); + + // Flush the current paragraph HTML to the document HTML. + p->FlushParagraph(); + + // Mark this new paragraph as an explicit one (from \par etc.). + p->bExplicitParagraph = true; + + // Restore character formatting + p->oTags.push_back(OutTag(TAG_FONT_SIZE, m_nFontSize)); + p->PutTag(TAG_FONT_SIZE); + p->oTags.push_back(OutTag(TAG_FONT_COLOR, m_nFontColor)); + p->PutTag(TAG_FONT_COLOR); + p->oTags.push_back(OutTag(TAG_FONT_FAMILY, m_nFont)); + p->PutTag(TAG_FONT_FAMILY); + if (m_nFontBgColor != 0) + { + p->oTags.push_back(OutTag(TAG_BG_COLOR, m_nFontBgColor)); + p->PutTag(TAG_BG_COLOR); + } + if (m_bBold) + { + p->oTags.push_back(OutTag(TAG_BOLD, 0)); + p->PutTag(TAG_BOLD); + } + if (m_bItalic) + { + p->PutTag(TAG_ITALIC); + p->oTags.push_back(OutTag(TAG_ITALIC, 0)); + } + if (m_bUnderline) + { + p->oTags.push_back(OutTag(TAG_UNDERLINE, 0)); + p->PutTag(TAG_UNDERLINE); + } +} + +bool Level::isParagraphOpen() const +{ + return p->bExplicitParagraph; +} + +void Level::clearParagraphFormatting() +{ + // implicitly start a paragraph + if (!isParagraphOpen()) + startParagraph(); + // Since we don't implement any of the paragraph formatting tags (e.g. alignment), + // we don't clean up anything here. Note that \pard does NOT clean character + // formatting (such as font size, font weight, italics...). + p->parStyle.clearFormatting(); +} + +void Level::setParagraphDirLTR() +{ + // implicitly start a paragraph + if (!isParagraphOpen()) + startParagraph(); + p->parStyle.dir = ParStyle::DirLTR; +} + +void Level::setParagraphDirRTL() +{ + // implicitly start a paragraph + if (!isParagraphOpen()) + startParagraph(); + p->parStyle.dir = ParStyle::DirRTL; +} + +void Level::addLineBreak() +{ + p->PrintUnquoted("
"); +} + +void Level::reset() +{ + resetTag(TAG_ALL); + if (m_bColors){ + if (m_bColorInit){ + QColor c(m_nRed, m_nGreen, m_nBlue); + p->colors.push_back(c); + resetColors(); + } + return; + } +} + +void Level::setText(const char *str) +{ + if (m_bColors) + { + reset(); + } + else if (m_bFontTbl) + { + if ((m_nFont <= 0) || (m_nFont > p->fonts.size())) + return; + + FontDef& def = p->fonts[m_nFont-1]; + + char *pp = strchr(str, ';'); + unsigned size; + if (pp != NULL) + size = (pp - str); + else + size = strlen(str); + + if (m_bFontName) + { + def.nonTaggedName.append(str, size); + // We know we have the entire name + if (pp != NULL) + m_bFontName = false; + } + else if (!m_bTaggedFontNameOk) + { + def.taggedName.append(str, size); + if (pp != NULL) + m_bTaggedFontNameOk = true; + } + } + else + { + for (; *str; str++) + if ((unsigned char)(*str) >= ' ') break; + if (!*str) return; + p->FlushOutTags(); + text += str; + } +} + +void Level::flush() +{ + if (text.length() == 0) return; + // TODO: Make encoding work in Kopete + /* + const char *encoding = NULL; + if (m_nEncoding){ + for (const ENCODING *c = ICQPlugin::core->encodings; c->language; c++){ + if (!c->bMain) + continue; + if ((unsigned)c->rtf_code == m_nEncoding){ + encoding = c->codec; + break; + } + } + } + if (encoding == NULL) + encoding = p->encoding; + + QTextCodec *codec = ICQClient::_getCodec(encoding); + */ + //p->PrintQuoted(codec->toUnicode(text.c_str(), text.length())); + p->PrintQuoted(text.c_str()); + text = ""; +} + +const unsigned FONTTBL = 0; +const unsigned COLORTBL = 1; +const unsigned RED = 2; +const unsigned GREEN = 3; +const unsigned BLUE = 4; +const unsigned CF = 5; +const unsigned FS = 6; +const unsigned HIGHLIGHT = 7; +const unsigned PARD = 8; +const unsigned PAR = 9; +const unsigned I = 10; +const unsigned B = 11; +const unsigned UL = 12; +const unsigned F = 13; +const unsigned FCHARSET = 14; +const unsigned FNAME = 15; +const unsigned ULNONE = 16; +const unsigned LTRPAR = 17; +const unsigned RTLPAR = 18; +const unsigned LINE = 19; + +static char cmds[] = + "fonttbl\x00" + "colortbl\x00" + "red\x00" + "green\x00" + "blue\x00" + "cf\x00" + "fs\x00" + "highlight\x00" + "pard\x00" + "par\x00" + "i\x00" + "b\x00" + "ul\x00" + "f\x00" + "fcharset\x00" + "fname\x00" + "ulnone\x00" + "ltrpar\x00" + "rtlpar\x00" + "line\x00" + "\x00"; + +int yywrap() { return 1; } + +static char h2d(char c) +{ + if ((c >= '0') && (c <= '9')) + return c - '0'; + if ((c >= 'A') && (c <= 'F')) + return (c - 'A') + 10; + if ((c >= 'a') && (c <= 'f')) + return (c - 'a') + 10; + return 0; +} + +QString RTF2HTML::Parse(const char *rtf, const char *_encoding) +{ + encoding = _encoding; + YY_BUFFER_STATE yy_current_buffer = yy_scan_string(rtf); + rtf_ptr = rtf; + for (;;){ + int res = yylex(); + if (!res) break; + switch (res){ + case UP:{ + cur_level.flush(); + levels.push(cur_level); + break; + } + case DOWN:{ + if (!levels.empty()){ + cur_level.flush(); + cur_level.reset(); + cur_level = levels.top(); + levels.pop(); + } + break; + } + case IMG:{ + cur_level.flush(); + const char ICQIMAGE[] = "icqimage"; + const char *smiles[] = { ":-)" , ":-O" , ":-|" , ":-/" , // 0-3 + ":-(" , ":-*" , ":-/" , ":'(" , // 4-7 + ";-)" , ":-@" , ":-$" , ":-X" , // 8-B + ":-P" , "8-)" , "O:)" , ":-D" }; // C-F + const char *p = yytext + 3; + if ((strlen(p) > strlen(ICQIMAGE)) && !memcmp(p, ICQIMAGE, strlen(ICQIMAGE))){ + unsigned n = 0; + for (p += strlen(ICQIMAGE); *p; p++){ + if ((*p >= '0') && (*p <= '9')){ + n = n << 4; + n += (*p - '0'); + continue; + } + if ((*p >= 'A') && (*p <= 'F')){ + n = n << 4; + n += (*p - 'A') + 10; + continue; + } + if ((*p >= 'a') && (*p <= 'f')){ + n = n << 4; + n += (*p - 'a') + 10; + continue; + } + break; + } + if (n < 16) + PrintUnquoted(" %s ", smiles[n] ); + }else{ + kdDebug(14200) << "Unknown image " << yytext << endl; + } + break; + } + case SKIP: + break; + case SLASH: + cur_level.setText(yytext+1); + break; + case TXT: + cur_level.setText(yytext); + break; + case UNICODE_CHAR:{ + cur_level.flush(); + sParagraph += QChar((unsigned short)(atol(yytext + 2))); + break; + } + case HEX:{ + char s[2]; + s[0] = (h2d(yytext[2]) << 4) + h2d(yytext[3]); + s[1] = 0; + cur_level.setText(s); + break; + } + case CMD: + { + cur_level.flush(); + const char *cmd = yytext + 1; + unsigned n_cmd = 0; + unsigned cmd_size = 0; + int cmd_value = -1; + const char *p; + for (p = cmd; *p; p++, cmd_size++) + if (((*p >= '0') && (*p <= '9')) || (*p == ' ')) break; + if (*p && (*p != ' ')) cmd_value = atol(p); + for (p = cmds; *p; p += strlen(p) + 1, n_cmd++){ + if (strlen(p) > cmd_size) continue; + if (!memcmp(p, cmd, cmd_size)) break; + } + cmd += strlen(p); + switch (n_cmd){ + case FONTTBL: // fonttbl + cur_level.setFontTbl(); + break; + case COLORTBL: + cur_level.setColors(); + break; + case RED: + cur_level.setRed(cmd_value); + break; + case GREEN: + cur_level.setGreen(cmd_value); + break; + case BLUE: + cur_level.setBlue(cmd_value); + break; + case CF: + cur_level.setFontColor(cmd_value); + break; + case FS: + cur_level.setFontSizeHalfPoints(cmd_value); + break; + case HIGHLIGHT: + cur_level.setFontBgColor(cmd_value); + break; + case PARD: + cur_level.clearParagraphFormatting(); + break; + case PAR: + cur_level.startParagraph(); + break; + case I: + cur_level.setItalic(cmd_value != 0); + break; + case B: + cur_level.setBold(cmd_value != 0); + break; + case UL: + cur_level.setUnderline(cmd_value != 0); + break; + case ULNONE: + cur_level.setUnderline(false); + break; + case F: + // RTF fonts are 0-based; our font index is 1-based. + cur_level.setFont(cmd_value+1); + break; + case FCHARSET: + cur_level.setEncoding(cmd_value); + break; + case FNAME: + cur_level.setFontName(); + break; + case LTRPAR: + cur_level.setParagraphDirLTR(); + break; + case RTLPAR: + cur_level.setParagraphDirRTL(); + break; + case LINE: + cur_level.addLineBreak(); + } + break; + } + } + } + yy_delete_buffer(yy_current_buffer); + yy_current_buffer = NULL; + FlushParagraph(); + return s; +} + +/* +bool ICQClient::parseRTF(const char *rtf, const char *encoding, QString &res) +{ + char _RTF[] = "{\\rtf"; + if ((strlen(rtf) > strlen(_RTF)) && !memcmp(rtf, _RTF, strlen(_RTF))){ + RTF2HTML p; + res = p.Parse(rtf, encoding); + return true; + } + QTextCodec *codec = ICQClient::_getCodec(encoding); + res = codec->toUnicode(rtf, strlen(rtf)); + return false; +} +*/ -- cgit v1.2.1