Diffstat (limited to 'pwmanager/pwmanager/htmlparse.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | pwmanager/pwmanager/htmlparse.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/pwmanager/pwmanager/htmlparse.cpp b/pwmanager/pwmanager/htmlparse.cpp new file mode 100644 index 0000000..acde2e3 --- a/dev/null +++ b/pwmanager/pwmanager/htmlparse.cpp @@ -0,0 +1,184 @@ +/*************************************************************************** + * * + * copyright (C) 2004 by Michael Buesch * + * email: mbuesch@freenet.de * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License version 2 * + * as published by the Free Software Foundation. * + * * + ***************************************************************************/ + +#include "htmlparse.h" +#include "pwmexception.h" + +#include <dom/html_document.h> +#include <dom/html_element.h> +#include <dom/html_misc.h> + + +/** enable/disable HTML-parser debugging (0/1) */ +#define HTMLPARSE_DEBUG 1 + + +#if !defined(PWM_DEBUG) || HTMLPARSE_DEBUG == 0 +# undef printDebug +# define printDebug(x) do {} while (0) +#endif + +HtmlParse::HtmlParse() +{ +} + +HtmlParse::~HtmlParse() +{ +} + +bool HtmlParse::parseHtmlComment(const QString &dta, + HtmlComment *ret) +{ + PWM_ASSERT(ret); + ret->clear(); + DOM::HTMLDocument curDoc(static_cast<KHTMLView *>(0)); + curDoc.open(); + curDoc.write(dta); + curDoc.close(); + DOM::HTMLElement body(curDoc.body()); + DOM::HTMLCollection children(body.children()); + + unsigned long i, numCh = children.length(); + if (numCh != 1) { + /* we currently support only one global table */ + printDebug("HtmlParse::parseHtmlComment(): global children cnt != 1"); + return false; + } + DOM::DOMString nodeName; + DOM::Node curNode; + for (i = 0; i < numCh; ++i) { + curNode = children.item(i); + nodeName = curNode.nodeName(); + if (nodeName == "table") { + if (!parseCommentGlobTbl(curNode, ret)) + return false; + } else { + // We don't support something else than tables, yet. + printDebug("HtmlParse::parseHtmlComment(): unknown node"); + } + } + return true; +} + +bool HtmlParse::parseCommentGlobTbl(const DOM::Node &node, + HtmlComment *ret) +{ + PWM_ASSERT(node.nodeName() == "table"); + DOM::Node bodyNode(node.firstChild()); + PWM_ASSERT(bodyNode.nodeName() == "tbody"); + DOM::Node curNode(bodyNode.firstChild()); + DOM::DOMString nodeName; + ret->clear(); + while (!curNode.isNull()) { + nodeName = curNode.nodeName(); + if (nodeName == "tr") { + if (!parseCommentGlobTblRow(curNode, ret)) + return false; + } else { + printDebug("HtmlParse::parseCommentGlobTbl(): node unknown"); + } + curNode = curNode.nextSibling(); + } + return true; +} + +bool HtmlParse::parseCommentGlobTblRow(const DOM::Node &node, + HtmlComment *ret) +{ + DOM::Node curNode(node.firstChild()), child; + DOM::DOMString nodeName; + HtmlComment::SubTable subTbl; + while (!curNode.isNull()) { + nodeName = curNode.nodeName(); + if (nodeName == "th") { + // global title + ret->setTitle(curNode.firstChild().nodeValue().string()); + } else if (nodeName == "td") { + child = curNode.firstChild(); + if (child.nodeName() == "table" && + child.firstChild().nodeName() == "tbody") { + // we have a sub-table + if (!parseCommentSubTbl(child.firstChild(), &subTbl)) + return false; + ret->addSubtable(subTbl); + } else { + printDebug("HtmlParse::parseCommentGlobTblRow(): subelement unknown"); + } + } else { + printDebug("HtmlParse::parseCommentGlobTblRow(): node unknown"); + } + curNode = curNode.nextSibling(); + } + return true; +} + +bool HtmlParse::parseCommentSubTbl(const DOM::Node &node, + HtmlComment::SubTable *ret) +{ + PWM_ASSERT(node.nodeName() == "tbody"); + DOM::Node curNode(node.firstChild()); + DOM::DOMString nodeName; + ret->clear(); + while (!curNode.isNull()) { + nodeName = curNode.nodeName(); + if (nodeName == "tr") { + if (!parseCommentSubTblRow(curNode, ret)) + return false; + } else { + printDebug("HtmlParse::parseCommentSubTbl(): node unknown"); + } + curNode = curNode.nextSibling(); + } + return true; +} + +bool HtmlParse::parseCommentSubTblRow(const DOM::Node &node, + HtmlComment::SubTable *ret) +{ + DOM::Node curNode(node.firstChild()), child; + DOM::DOMString nodeName; + pair<QString, QString> curEntr; + while (!curNode.isNull()) { + nodeName = curNode.nodeName(); + if (nodeName == "th") { + // sub title + ret->setTitle(curNode.firstChild().nodeValue().string()); + } else if (nodeName == "td") { + child = curNode.firstChild(); + if (child.nodeName() == "#text") { + if (!parseCommentSubTblEntry(curNode, &curEntr)) + return false; + ret->addEntry(curEntr); + return true; + } else { + printDebug("HtmlParse::parseCommentSubTblRow(): subelement unknown"); + } + } else { + printDebug("HtmlParse::parseCommentGlobTblRow(): node unknown"); + } + curNode = curNode.nextSibling(); + } + return true; +} + +bool HtmlParse::parseCommentSubTblEntry(const DOM::Node &node, + pair<QString, QString> *ret) +{ + DOM::Node curChild(node); + if (curChild.isNull()) + return false; + ret->first = curChild.firstChild().nodeValue().string(); + curChild = curChild.nextSibling(); + if (curChild.isNull()) + return false; + ret->second = curChild.firstChild().nodeValue().string(); + return true; +} |