xml.cpp
branchrelease-1-12-maintained
changeset 79 32f499cbe874
child 2 608f976aa7bb
child 83 e90f5bef70c8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/xml.cpp	Fri Mar 05 19:15:08 2010 +0000
     1.3 @@ -0,0 +1,519 @@
     1.4 +#include "xml.h"
     1.5 +
     1.6 +#include <qmessagebox.h>
     1.7 +#include <qcolor.h>
     1.8 +#include <qstylesheet.h>
     1.9 +#include <iostream>
    1.10 +
    1.11 +#include "misc.h"
    1.12 +#include "settings.h"
    1.13 +
    1.14 +#include "version.h"
    1.15 +
    1.16 +static BranchObj *lastBranch;
    1.17 +static FloatObj *lastFloat;
    1.18 +
    1.19 +extern Settings settings;
    1.20 +
    1.21 +mapBuilderHandler::mapBuilderHandler() {}
    1.22 +
    1.23 +mapBuilderHandler::~mapBuilderHandler() {}
    1.24 +
    1.25 +QString mapBuilderHandler::errorProtocol() { return errorProt; }
    1.26 +
    1.27 +bool mapBuilderHandler::startDocument()
    1.28 +{
    1.29 +    errorProt = "";
    1.30 +    state = StateInit;
    1.31 +    laststate = StateInit;
    1.32 +    branchDepth=0;
    1.33 +	htmldata="";
    1.34 +	isVymPart=false;
    1.35 +    return true;
    1.36 +}
    1.37 +
    1.38 +
    1.39 +QString mapBuilderHandler::parseHREF(QString href)
    1.40 +{
    1.41 +	QString type=href.section(":",0,0);
    1.42 +	QString path=href.section(":",1,1);
    1.43 +	if (!tmpDir.endsWith("/"))
    1.44 +		return tmpDir + "/" + path;
    1.45 +	else	
    1.46 +		return tmpDir + path;
    1.47 +}
    1.48 +
    1.49 +bool mapBuilderHandler::startElement  ( const QString&, const QString&,
    1.50 +                    const QString& eName, const QXmlAttributes& atts ) 
    1.51 +{
    1.52 +    QColor col;
    1.53 +//	cout << "startElement <"<<eName<<">  state="<<state <<"  laststate="<<laststate<<endl;
    1.54 +    if ( state == StateInit && (eName == "vymmap")  ) 
    1.55 +	{
    1.56 +        state = StateMap;
    1.57 +		if (!atts.value( "version").isEmpty() ) 
    1.58 +		{
    1.59 +			mc->setVersion(atts.value( "version" ));
    1.60 +			if (!mc->checkVersion())
    1.61 +				QMessageBox::warning( 0, "Warning: Version Problem" ,
    1.62 +				   "<h3>Map is newer than VYM</h3>"
    1.63 +				   "<p>The map you are just trying to load was "
    1.64 +				   "saved using vym " +atts.value("version")+". "
    1.65 +				   "The version of this vym is " __VYM_VERSION__
    1.66 +				   ". If you run into problems after pressing "
    1.67 +				   "the ok-button below, updating vym should help.");
    1.68 +
    1.69 +		}
    1.70 +		if (loadMode==NewMap)
    1.71 +		{
    1.72 +			if (!atts.value( "author").isEmpty() )
    1.73 +			{
    1.74 +				mc->setAuthor(atts.value( "author" ) );
    1.75 +			}
    1.76 +			if (!atts.value( "comment").isEmpty() )
    1.77 +			{
    1.78 +				mc->setComment (atts.value( "comment" ) );
    1.79 +			}
    1.80 +			if (!atts.value( "backgroundColor").isEmpty() )
    1.81 +			{
    1.82 +				col.setNamedColor(atts.value("backgroundColor"));
    1.83 +				mc->getCanvas()->setBackgroundColor(col);
    1.84 +			}	    
    1.85 +			if (!atts.value( "linkColorHint").isEmpty() ) 
    1.86 +			{
    1.87 +				if (atts.value("linkColorHint")=="HeadingColor")
    1.88 +					me->setLinkColorHint(HeadingColor);
    1.89 +				else
    1.90 +					me->setLinkColorHint(DefaultColor);
    1.91 +			}
    1.92 +			if (!atts.value( "linkStyle").isEmpty() ) 
    1.93 +			{
    1.94 +				QString s=atts.value("linkStyle");
    1.95 +				if (s=="StyleLine")
    1.96 +					me->setLinkStyle(StyleLine);
    1.97 +				else	
    1.98 +					if (s=="StyleParabel")
    1.99 +						me->setLinkStyle(StyleParabel);
   1.100 +					else	
   1.101 +						if (s=="StylePolyLine")
   1.102 +							me->setLinkStyle(StylePolyLine);
   1.103 +						else	
   1.104 +							me->setLinkStyle(StylePolyParabel);
   1.105 +			}	
   1.106 +			if (!atts.value( "linkColor").isEmpty() ) 
   1.107 +			{
   1.108 +				col.setNamedColor(atts.value("linkColor"));
   1.109 +				me->setLinkColor(col);
   1.110 +			}	
   1.111 +		}	
   1.112 +	} else if ( eName == "select" && state == StateMap ) 
   1.113 +	{
   1.114 +		state=StateMapSelect;
   1.115 +	} else if ( eName == "setting" && state == StateMap ) 
   1.116 +	{
   1.117 +		state=StateMapSetting;
   1.118 +		if (loadMode==NewMap)
   1.119 +			readSettingAttr (atts);
   1.120 +	} else if ( eName == "mapcenter" && state == StateMap ) 
   1.121 +	{
   1.122 +		state=StateMapCenter;
   1.123 +		if (loadMode==NewMap)
   1.124 +		{	
   1.125 +			// Really use the found mapcenter as MCO in a new map
   1.126 +			lastBranch=mc;	// avoid empty pointer
   1.127 +		} else
   1.128 +		{
   1.129 +			// Treat the found mapcenter as a branch 
   1.130 +			// in an existing map
   1.131 +			LinkableMapObj* lmo=me->getSelection();
   1.132 +			if (lmo && (typeid(*lmo) == typeid(BranchObj) ) 
   1.133 +			        || (typeid(*lmo) == typeid(MapCenterObj) ) )
   1.134 +			{
   1.135 +				lastBranch=(BranchObj*)(lmo);
   1.136 +				if (loadMode==ImportAdd)
   1.137 +				{
   1.138 +					lastBranch->addBranch();
   1.139 +					lastBranch=lastBranch->getLastBranch();
   1.140 +				} else
   1.141 +					lastBranch->clear();
   1.142 +			} else
   1.143 +				return false;
   1.144 +		}
   1.145 +		readBranchAttr (atts);
   1.146 +	} else if ( (eName == "standardflag" ||eName == "standardFlag") && state == StateMapCenter) 
   1.147 +	{
   1.148 +		state=StateMapCenterStandardFlag;
   1.149 +	} else if ( eName == "heading" && state == StateMapCenter) 
   1.150 +	{
   1.151 +		state=StateMapCenterHeading;
   1.152 +		if (!atts.value( "textColor").isEmpty() ) 
   1.153 +		{
   1.154 +			col.setNamedColor(atts.value("textColor"));
   1.155 +			lastBranch->setColor(col ,false );
   1.156 +		}	    
   1.157 +	} else if ( eName == "note" && state == StateMapCenter) 
   1.158 +	{	// only for backward compatibility (<1.4.6). Use htmlnote now.
   1.159 +		state=StateMapCenterNote;
   1.160 +		if (!readNoteAttr (atts) ) return false;
   1.161 +	} else if ( eName == "htmlnote" && state == StateMapCenter) 
   1.162 +	{
   1.163 +		laststate=state;
   1.164 +		state=StateHtmlNote;
   1.165 +    } else if ( eName == "floatimage" && state == StateMapCenter ) 
   1.166 +	{
   1.167 +		state=StateMapCenterFloatImage;
   1.168 +        lastBranch->addFloatImage();
   1.169 +		lastFloat=lastBranch->getLastFloatImage();
   1.170 +		if (!readFloatImageAttr(atts)) return false;
   1.171 +	} else if ( eName == "branch" && state == StateMap) 
   1.172 +	{
   1.173 +		// This is used in vymparts, which have no mapcenter!
   1.174 +		isVymPart=true;
   1.175 +		state=StateBranch;
   1.176 +		LinkableMapObj* lmo=me->getSelection();
   1.177 +		if (lmo && (typeid(*lmo) == typeid(BranchObj) ) 
   1.178 +				|| (typeid(*lmo) == typeid(MapCenterObj) ) )
   1.179 +		{
   1.180 +			lastBranch=(BranchObj*)(lmo);
   1.181 +			if (loadMode==ImportAdd)
   1.182 +			{
   1.183 +				lastBranch->addBranch();
   1.184 +				lastBranch=lastBranch->getLastBranch();
   1.185 +			} else
   1.186 +				lastBranch->clear();
   1.187 +		} else
   1.188 +			return false;
   1.189 +		branchDepth=1;
   1.190 +		readBranchAttr (atts);
   1.191 +	} else if ( eName == "branch" && state == StateMapCenter) 
   1.192 +	{
   1.193 +		state=StateBranch;
   1.194 +		branchDepth=1;
   1.195 +		lastBranch->addBranch();
   1.196 +		lastBranch=lastBranch->getLastBranch();
   1.197 +		readBranchAttr (atts);
   1.198 +	} else if ( (eName=="standardflag" ||eName == "standardFlag") && state == StateBranch) 
   1.199 +	{
   1.200 +		state=StateBranchStandardFlag;
   1.201 +	} else if ( eName == "heading" && state == StateBranch) 
   1.202 +	{
   1.203 +		state=StateBranchHeading;
   1.204 +		if (!atts.value( "textColor").isEmpty() ) 
   1.205 +		{
   1.206 +			col.setNamedColor(atts.value("textColor"));
   1.207 +			lastBranch->setColor(col ,false );
   1.208 +		}	    
   1.209 +    } else if ( eName == "note" && state == StateBranch) 
   1.210 +	{
   1.211 +        state=StateBranchNote;
   1.212 +		if (!readNoteAttr (atts) ) return false;
   1.213 +	} else if ( eName == "htmlnote" && state == StateBranch) 
   1.214 +	{
   1.215 +		laststate=state;
   1.216 +		state=StateHtmlNote;
   1.217 +		no.clear();
   1.218 +		if (!atts.value( "fonthint").isEmpty() ) 
   1.219 +			no.setFontHint(atts.value ("fonthint") );
   1.220 +    } else if ( eName == "floatimage" && state == StateBranch ) 
   1.221 +	{
   1.222 +		state=StateBranchFloatImage;
   1.223 +        lastBranch->addFloatImage();
   1.224 +		lastFloat=lastBranch->getLastFloatImage();
   1.225 +		if (!readFloatImageAttr(atts)) return false;
   1.226 +    } else if ( eName == "branch" && state == StateBranch ) 
   1.227 +	{
   1.228 +        lastBranch->addBranch();
   1.229 +		lastBranch=lastBranch->getLastBranch();		
   1.230 +        branchDepth++;
   1.231 +		readBranchAttr (atts);
   1.232 +    } else if ( eName == "html" && state == StateHtmlNote ) 
   1.233 +	{
   1.234 +		state=StateHtml;
   1.235 +		htmldata="<"+eName;
   1.236 +		readHtmlAttr(atts);
   1.237 +		htmldata+=">";
   1.238 +    } else if ( state == StateHtml ) 
   1.239 +	{
   1.240 +		// accept all while in html mode,
   1.241 +		htmldata+="<"+eName;
   1.242 +		readHtmlAttr(atts);
   1.243 +		htmldata+=">";
   1.244 +    } else
   1.245 +        return false;   // Error
   1.246 +    return true;
   1.247 +}
   1.248 +
   1.249 +bool mapBuilderHandler::endElement  ( const QString&, const QString&, const QString &eName)
   1.250 +{
   1.251 +//	cout << "endElement </"<<eName<<">  state="<<state <<"  laststate="<<laststate<<endl;
   1.252 +    switch ( state ) 
   1.253 +	{
   1.254 +        case StateMapSelect: state=StateMap;  return true;
   1.255 +        case StateMapSetting: state=StateMap;  return true;
   1.256 +        case StateMapCenter: state=StateMap;  return true;
   1.257 +        case StateMapCenterStandardFlag: state=StateMapCenter;  return true;
   1.258 +        case StateMapCenterHeading: state=StateMapCenter;  return true;
   1.259 +        case StateMapCenterNote: state=StateMapCenter;  return true;
   1.260 +        case StateMapCenterFloatImage: state=StateMapCenter;  return true;
   1.261 +        case StateBranch: 
   1.262 +            if (branchDepth>1) 
   1.263 +			{
   1.264 +                branchDepth--;
   1.265 +                state=StateBranch;
   1.266 +            } else  
   1.267 +			{
   1.268 +                branchDepth=0;
   1.269 +				if (isVymPart)
   1.270 +					state=StateMap;
   1.271 +				else
   1.272 +					state=StateMapCenter;
   1.273 +            }   
   1.274 +			lastBranch=(BranchObj*)(lastBranch->getParObj());
   1.275 +             return true;
   1.276 +        case StateBranchStandardFlag: state=StateBranch;  return true;
   1.277 +        case StateBranchHeading: state=StateBranch;  return true;
   1.278 +        case StateBranchNote: state=StateBranch; return true;
   1.279 +        case StateBranchFloatImage: state=StateBranch;  return true;
   1.280 +        case StateHtmlNote: state=laststate; return true;
   1.281 +        case StateHtml: 
   1.282 +			htmldata+="</"+eName+">";
   1.283 +			if (eName=="html")
   1.284 +			{
   1.285 +				state=StateHtmlNote;  
   1.286 +				htmldata.replace ("<br></br>","<br />");
   1.287 +				no.setNote (htmldata);
   1.288 +				lastBranch->setNote (no);
   1.289 +				return true;
   1.290 +			}	else
   1.291 +			{
   1.292 +				return true;
   1.293 +			}	
   1.294 +        case StateMap: state=StateInit;  return true;
   1.295 +        default : 
   1.296 +			// even for HTML includes, this should never be reached
   1.297 +			return false;
   1.298 +    }   
   1.299 +}
   1.300 +
   1.301 +bool mapBuilderHandler::characters   ( const QString& ch)
   1.302 +{
   1.303 +	//cout << "characters \""<<ch<<"\"  state="<<state <<"  laststate="<<laststate<<endl;
   1.304 +
   1.305 +	QString ch_org=quotemeta (ch);
   1.306 +    QString ch_simplified=ch.simplifyWhiteSpace();
   1.307 +    if ( ch_simplified.isEmpty() ) return true;
   1.308 +
   1.309 +    switch ( state ) 
   1.310 +    {
   1.311 +        case StateInit: break;
   1.312 +        case StateMap: break; 
   1.313 +		case StateMapSelect:
   1.314 +			me->select(ch_simplified);
   1.315 +			break;
   1.316 +		case StateMapSetting:break;
   1.317 +        case StateMapCenter: break;
   1.318 +        case StateMapCenterStandardFlag: 
   1.319 +            lastBranch->activateStandardFlag(ch_simplified); 
   1.320 +            break;
   1.321 +        case StateMapCenterHeading: 
   1.322 +            lastBranch->setHeading(ch_simplified); 
   1.323 +            break;
   1.324 +        case StateMapCenterNote:
   1.325 +			lastBranch->setNote(ch_simplified);
   1.326 +			break;
   1.327 +        case StateBranch: break;
   1.328 +        case StateBranchStandardFlag: 
   1.329 +            lastBranch->activateStandardFlag(ch_simplified); 
   1.330 +            break;
   1.331 +        case StateBranchHeading: 
   1.332 +            lastBranch->setHeading(ch_simplified);
   1.333 +            break;
   1.334 +        case StateBranchNote: 
   1.335 +			lastBranch->setNote(ch_simplified);
   1.336 +			break;
   1.337 +        case StateBranchFloatImage: break;
   1.338 +        case StateHtmlNote: break;
   1.339 +        case StateHtml:
   1.340 +			htmldata+=ch_org;
   1.341 +			break;
   1.342 +        default: 
   1.343 +			return false;
   1.344 +    }
   1.345 +    return true;
   1.346 +}
   1.347 +
   1.348 +QString mapBuilderHandler::errorString() 
   1.349 +{
   1.350 +    return "the document is not in the VYM file format";
   1.351 +}
   1.352 +
   1.353 +bool mapBuilderHandler::fatalError( const QXmlParseException& exception ) 
   1.354 +{
   1.355 +    errorProt += QString( "fatal parsing error: %1 in line %2, column %3\n")
   1.356 +    .arg( exception.message() )
   1.357 +    .arg( exception.lineNumber() )
   1.358 +    .arg( exception.columnNumber() );
   1.359 +
   1.360 +    return QXmlDefaultHandler::fatalError( exception );
   1.361 +}
   1.362 +
   1.363 +void mapBuilderHandler::setMapEditor (MapEditor* e)
   1.364 +{
   1.365 +    me=e;
   1.366 +	mc=me->getMapCenter();
   1.367 +}
   1.368 +
   1.369 +void mapBuilderHandler::setTmpDir (QString tp)
   1.370 +{
   1.371 +	tmpDir=tp;
   1.372 +}
   1.373 +
   1.374 +void mapBuilderHandler::setLoadMode (const LoadMode &lm)
   1.375 +{
   1.376 +	loadMode=lm;
   1.377 +}
   1.378 +
   1.379 +bool mapBuilderHandler::readBranchAttr (const QXmlAttributes& a)
   1.380 +{
   1.381 +	bool okx,oky;
   1.382 +	int x,y;
   1.383 +	if (!a.value( "absPosX").isEmpty() && loadMode==NewMap && branchDepth<2) 
   1.384 +	{
   1.385 +		if (!a.value( "absPosY").isEmpty() ) 
   1.386 +		{
   1.387 +			x=a.value("absPosX").toInt (&okx, 10);
   1.388 +			y=a.value("absPosY").toInt (&oky, 10);
   1.389 +			if (okx && oky) 
   1.390 +				lastBranch->move(x,y);
   1.391 +			else
   1.392 +				return false;   // Couldn't read absPos
   1.393 +		}           
   1.394 +	}           
   1.395 +	if (!a.value( "scrolled").isEmpty() )
   1.396 +		lastBranch->toggleScroll();
   1.397 +	if (!a.value( "url").isEmpty() ) 
   1.398 +		lastBranch->setURL (a.value ("url"));
   1.399 +	if (!a.value( "vymLink").isEmpty() ) 
   1.400 +		lastBranch->setVymLink (a.value ("vymLink"));
   1.401 +	if (!a.value( "frameType").isEmpty() ) 
   1.402 +		lastBranch->setFrameType (a.value("frameType"));
   1.403 +	return true;	
   1.404 +}
   1.405 +
   1.406 +bool mapBuilderHandler::readNoteAttr (const QXmlAttributes& a)
   1.407 +{	// only for backward compatibility (<1.4.6). Use htmlnote now.
   1.408 +	no.clear();
   1.409 +	QString fn;
   1.410 +	if (!a.value( "href").isEmpty() ) 
   1.411 +	{
   1.412 +		// Load note
   1.413 +		fn=parseHREF(a.value ("href") );
   1.414 +		QFile file (fn);
   1.415 +		QString s;						// Reading a note
   1.416 +
   1.417 +		if ( !file.open( IO_ReadOnly) )
   1.418 +		{
   1.419 +			qWarning ("mapBuilderHandler::readNoteAttr:  Couldn't load "+fn);
   1.420 +			return false;
   1.421 +		}	
   1.422 +		QTextStream stream( &file );
   1.423 +		QString lines;
   1.424 +		while ( !stream.eof() ) {
   1.425 +			lines += stream.readLine()+"\n"; 
   1.426 +		}
   1.427 +		file.close();
   1.428 +		// Convert to richtext
   1.429 +		if ( !QStyleSheet::mightBeRichText( lines ) )
   1.430 +		{
   1.431 +			// Here we are workarounding the QT conversion method:
   1.432 +			// convertFromPlainText does not generate valid xml, needed
   1.433 +			// for the parser, but just <p> and <br> without closing tags.
   1.434 +			// So we have to add those by ourselves
   1.435 +			//lines=quotemeta (lines);
   1.436 +			lines = QStyleSheet::convertFromPlainText( lines, QStyleSheetItem::WhiteSpaceNormal );
   1.437 +			lines.replace ("<br>","<br />");
   1.438 +		}	
   1.439 +
   1.440 +		lines ="<html><head><meta name=\"qrichtext\" content=\"1\" /></head><body>"+lines + "</p></body></html>";
   1.441 +		no.setNote (lines);
   1.442 +	}		
   1.443 +	if (!a.value( "fonthint").isEmpty() ) 
   1.444 +		no.setFontHint(a.value ("fonthint") );
   1.445 +	if (state == StateMapCenterNote) 	
   1.446 +		mc->setNote(no);
   1.447 +	else
   1.448 +		lastBranch->setNote(no);
   1.449 +	return true;
   1.450 +}
   1.451 +
   1.452 +bool mapBuilderHandler::readFloatImageAttr (const QXmlAttributes& a)
   1.453 +{
   1.454 +	if (!a.value( "useOrientation").isEmpty() ) 
   1.455 +	{
   1.456 +		if (a.value ("useOrientation") =="true")
   1.457 +			lastFloat->setUseOrientation (true);
   1.458 +		else	
   1.459 +			lastFloat->setUseOrientation (false);
   1.460 +	}	
   1.461 +	if (!a.value( "href").isEmpty() )
   1.462 +	{
   1.463 +		// Load FloatImage
   1.464 +		if (!lastFloat->load (parseHREF(a.value ("href") ) ))
   1.465 +		{
   1.466 +			QMessageBox::warning( 0, "Warning: " ,
   1.467 +				"Couldn't load float image\n"+parseHREF(a.value ("href") ));
   1.468 +			lastBranch->removeFloatImage(((FloatImageObj*)(lastFloat)));
   1.469 +			lastFloat=NULL;
   1.470 +			return true;
   1.471 +		}
   1.472 +		
   1.473 +	}	
   1.474 +	if (!a.value( "floatExport").isEmpty() ) 
   1.475 +	{
   1.476 +		if (a.value ("floatExpofrt") =="true")
   1.477 +			lastFloat->setFloatExport (true);
   1.478 +		else	
   1.479 +			lastFloat->setFloatExport (false);
   1.480 +	}	
   1.481 +	if (!a.value( "zPlane").isEmpty() ) 
   1.482 +		lastFloat->setZ (a.value("zPlane").toInt ());
   1.483 +    int x,y;
   1.484 +    bool okx,oky;
   1.485 +	if (!a.value( "relPosX").isEmpty() ) 
   1.486 +	{
   1.487 +		if (!a.value( "relPosY").isEmpty() ) 
   1.488 +		{
   1.489 +			// read relPos
   1.490 +			x=a.value("relPosX").toInt (&okx, 10);
   1.491 +			y=a.value("relPosY").toInt (&oky, 10);
   1.492 +			if (okx && oky) 
   1.493 +				lastFloat->setRelPos (QPoint (x,y) );
   1.494 +			else
   1.495 +				// Couldn't read relPos
   1.496 +				return false;  
   1.497 +		}           
   1.498 +	}	
   1.499 +	return true;
   1.500 +}
   1.501 +
   1.502 +bool mapBuilderHandler::readHtmlAttr (const QXmlAttributes& a)
   1.503 +{
   1.504 +	for (int i=1; i<=a.count(); i++)
   1.505 +		htmldata+=" "+a.localName(i-1)+"=\""+a.value(i-1)+"\"";
   1.506 +	return true;
   1.507 +}
   1.508 +
   1.509 +bool mapBuilderHandler::readSettingAttr (const QXmlAttributes& a)
   1.510 +{
   1.511 +	if (!a.value( "key").isEmpty() ) 
   1.512 +	{
   1.513 +		if (!a.value( "value").isEmpty() ) 
   1.514 +			settings.setLocalEntry (me->getDestPath(), a.value ("key"), a.value ("value"));
   1.515 +		else
   1.516 +			return false;
   1.517 +		
   1.518 +	} else
   1.519 +		return false;
   1.520 +	
   1.521 +	return true;
   1.522 +}