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/***************************************************************************
* *
* 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;
}
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