From 981f8b3acf7e76f27c02f4ced80d55b424cc7497 Mon Sep 17 00:00:00 2001 From: Tannin Date: Sun, 3 Feb 2013 12:49:25 +0100 Subject: initial commit to mercurial repository. Corresponds to MO version 0.12.6 --- src/bbcode.cpp | 209 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 209 insertions(+) create mode 100644 src/bbcode.cpp (limited to 'src/bbcode.cpp') diff --git a/src/bbcode.cpp b/src/bbcode.cpp new file mode 100644 index 00000000..5f134d78 --- /dev/null +++ b/src/bbcode.cpp @@ -0,0 +1,209 @@ +/* +Copyright (C) 2012 Sebastian Herbord. All rights reserved. + +This file is part of Mod Organizer. + +Mod Organizer 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 3 of the License, or +(at your option) any later version. + +Mod Organizer 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 Mod Organizer. If not, see . +*/ + +#include "bbcode.h" + +#include +#include +#include + + +namespace BBCode { + + +class BBCodeMap { + + typedef std::map > TagMap; + +public: + + static BBCodeMap &instance() { + static BBCodeMap s_Instance; + return s_Instance; + } + + QString convertTag(const QString &input, int &length) + { + // extract the tag name + m_TagNameExp.indexIn(input, 1, QRegExp::CaretAtOffset); + QString tagName = m_TagNameExp.cap(0).toLower(); + //qDebug("tag name %s", tagName.toUtf8().constData()); + TagMap::iterator tagIter = m_TagMap.find(tagName); + if (tagIter != m_TagMap.end()) { + // recognized tag + if (tagName.endsWith('=')) { + tagName.chop(1); + } + QString closeTag = tagName == "*" ? "
" + : QString("[/%1]").arg(tagName); + + int closeTagPos = input.indexOf(closeTag, 0, Qt::CaseInsensitive); + //qDebug("close tag %s at %d", closeTag.toUtf8().constData(), closeTagPos); + + if (closeTagPos > -1) { + length = closeTagPos + closeTag.length(); + QString temp = input.mid(0, length); + if (tagIter->second.first.indexIn(temp) == 0) { + return temp.replace(tagIter->second.first, tagIter->second.second); + } else { + // expression doesn't match. either the input string is invalid + // or the expression is + qWarning("%s doesn't match the expression for %s", + temp.toUtf8().constData(), tagName.toUtf8().constData()); + length = 0; + return QString(); + } + } + } + + // not a recognized tag or tag invalid + length = 0; + return QString(); + } + +private: + BBCodeMap() + : m_TagNameExp("^[a-zA-Z*]*=?") + { + m_TagMap["b"] = std::make_pair(QRegExp("\\[b\\](.*)\\[/b\\]"), + "\\1"); + m_TagMap["i"] = std::make_pair(QRegExp("\\[i\\](.*)\\[/i\\]"), + "\\1"); + m_TagMap["u"] = std::make_pair(QRegExp("\\[u\\](.*)\\[/u\\]"), + "\\1"); + m_TagMap["s"] = std::make_pair(QRegExp("\\[s\\](.*)\\[/s\\]"), + "\\1"); + m_TagMap["sub"] = std::make_pair(QRegExp("\\[sub\\](.*)\\[/sub\\]"), + "\\1"); + m_TagMap["sup"] = std::make_pair(QRegExp("\\[sup\\](.*)\\[/sup\\]"), + "\\1"); + m_TagMap["size="] = std::make_pair(QRegExp("\\[size=([^\\]]*)\\](.*)\\[/size\\]"), + "\\2"); + m_TagMap["color="] = std::make_pair(QRegExp("\\[color=([^\\]]*)\\](.*)\\[/color\\]"), + "\\2"); + m_TagMap["font="] = std::make_pair(QRegExp("\\[font=([^\\]]*)\\](.*)\\[/font\\]"), + "\\2"); + m_TagMap["center"] = std::make_pair(QRegExp("\\[center\\](.*)\\[/center\\]"), + "
\\1
"); + m_TagMap["quote"] = std::make_pair(QRegExp("\\[quote\\](.*)\\[/quote\\]"), + "
\"\\1\"
"); + m_TagMap["quote="] = std::make_pair(QRegExp("\\[quote=([^\\]]*)\\](.*)\\[/quote\\]"), + "
\"\\2\"
--\\1

"); + m_TagMap["code"] = std::make_pair(QRegExp("\\[code\\](.*)\\[/code\\]"), + "
\\1
"); + m_TagMap["heading"]= std::make_pair(QRegExp("\\[heading\\](.*)\\[/heading\\]"), + "

\\1

"); + + // lists + m_TagMap["list"] = std::make_pair(QRegExp("\\[list\\](.*)\\[/list\\]"), + "
    \\1
"); + m_TagMap["list="] = std::make_pair(QRegExp("\\[list.*\\](.*)\\[/list\\]"), + "
    \\1
"); + m_TagMap["ul"] = std::make_pair(QRegExp("\\[ul\\](.*)\\[/ul\\]"), + "
    \\1
"); + m_TagMap["ol"] = std::make_pair(QRegExp("\\[ol\\](.*)\\[/ol\\]"), + "
    \\1
"); + m_TagMap["li"] = std::make_pair(QRegExp("\\[li\\](.*)\\[/li\\]"), + "
  • \\1
    • "); + m_TagMap["*"] = std::make_pair(QRegExp("\\[\\*\\](.*)
    "), + "
  • \\1
    • "); + + // tables + m_TagMap["table"] = std::make_pair(QRegExp("\\[table\\](.*)\\[/table\\]"), + "\\1
    "); + m_TagMap["tr"] = std::make_pair(QRegExp("\\[tr\\](.*)\\[/tr\\]"), + "\\1"); + m_TagMap["th"] = std::make_pair(QRegExp("\\[th\\](.*)\\[/th\\]"), + "\\1"); + m_TagMap["td"] = std::make_pair(QRegExp("\\[td\\](.*)\\[/td\\]"), + "\\1"); + + // web content + m_TagMap["url"] = std::make_pair(QRegExp("\\[url\\](.*)\\[/url\\]"), + "\\1"); + m_TagMap["url="] = std::make_pair(QRegExp("\\[url=([^\\]]*)\\](.*)\\[/url\\]"), + "\\2"); + m_TagMap["img"] = std::make_pair(QRegExp("\\[img\\](.*)\\[/img\\]"), + ""); + m_TagMap["img="] = std::make_pair(QRegExp("\\[img=([^\\]]*)\\](.*)\\[/img\\]"), + ""); + m_TagMap["email="] = std::make_pair(QRegExp("\\[email=\"?([^\\]]*)\"?\\](.*)\\[/email\\]"), + "\\2"); + m_TagMap["youtube"] = std::make_pair(QRegExp("\\[youtube\\](.*)\\[/youtube\\]"), + "http://www.youtube.com/v/\\1"); + + // make all patterns non-greedy and case-insensitive + for (TagMap::iterator iter = m_TagMap.begin(); iter != m_TagMap.end(); ++iter) { + iter->second.first.setCaseSensitivity(Qt::CaseInsensitive); + iter->second.first.setMinimal(true); + } + } + + +private: + QRegExp m_TagNameExp; + TagMap m_TagMap; +}; + + +QString convertToHTML(const QString &inputParam) +{ + // this code goes over the input string once and replaces all bbtags + // it encounters. This function is called recursively for every replaced + // string to convert nested tags. + // + // This could be implemented simpler by applying a set of regular expressions + // for each recognized bb-tag one after the other but that would probably be + // very inefficient (O(n^2)). + + QString input = inputParam.mid(0).replace("\r\n", "
    "); + input.replace("\\\"", "\"").replace("\\'", "'"); + + QString result; + int lastBlock = 0; + int pos = 0; + + // iterate over the input buffer + while ((pos = input.indexOf('[', lastBlock)) != -1) { + // append everything between the previous tag-block and the current one + result.append(input.midRef(lastBlock, pos - lastBlock)); + + // convert the tag and content if necessary + int length = -1; + QString replacement = BBCodeMap::instance().convertTag(input.mid(pos), length); + if (length != 0) { + QString temp = convertToHTML(replacement); + result.append(temp); + // length contains the number of characters in the original tag + pos += length; + } else { + // nothing replaced + result.append('['); + ++pos; + } + lastBlock = pos; + } + + // append the remainder (everything after the last tag) + result.append(input.midRef(lastBlock)); + return result; +} + +} // namespace BBCode + -- cgit v1.3.1