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Diffstat (limited to 'kig/objects/object_imp_factory.cc')
| -rw-r--r-- | kig/objects/object_imp_factory.cc | 510 |
1 files changed, 0 insertions, 510 deletions
diff --git a/kig/objects/object_imp_factory.cc b/kig/objects/object_imp_factory.cc deleted file mode 100644 index dd184295..00000000 --- a/kig/objects/object_imp_factory.cc +++ /dev/null @@ -1,510 +0,0 @@ -// Copyright (C) 2002 Dominique Devriese <devriese@kde.org> - -// 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. - -// This program 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 this program; if not, write to the Free Software -// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -// 02110-1301, USA. - -#include "object_imp_factory.h" - -#include "object_imp.h" -#include "bogus_imp.h" -#include "circle_imp.h" -#include "conic_imp.h" -#include "cubic_imp.h" -#include "line_imp.h" -#include "locus_imp.h" -#include "other_imp.h" -#include "point_imp.h" -#include "text_imp.h" - -#include "../misc/coordinate.h" - -#include <tqdom.h> - -#include <tdelocale.h> - -const ObjectImpFactory* ObjectImpFactory::instance() -{ - static const ObjectImpFactory t; - return &t; -} - -ObjectImpFactory::ObjectImpFactory() -{ -} - -ObjectImpFactory::~ObjectImpFactory() -{ -} - -static void addXYElements( const Coordinate& c, TQDomElement& parent, TQDomDocument& doc ) -{ - TQDomElement xe = doc.createElement( "x" ); - xe.appendChild( - doc.createTextNode( - TQString::number( c.x ) ) ); - parent.appendChild( xe ); - TQDomElement ye = doc.createElement( "y" ); - ye.appendChild( - doc.createTextNode( - TQString::number( c.y ) ) ); - parent.appendChild( ye ); -} - -static void addDoubleElement( const char* name, double d, TQDomElement& parent, TQDomDocument& doc ) -{ - TQDomElement e = doc.createElement( name ); - e.appendChild( doc.createTextNode( TQString::number( d ) ) ); - parent.appendChild( e ); -} - -static void addCoordinateElement( const char* name, const Coordinate& d, TQDomElement& p, TQDomDocument& doc ) -{ - TQDomElement e = doc.createElement( name ); - addXYElements( d, e, doc ); - p.appendChild( e ); -} - -TQString ObjectImpFactory::serialize( const ObjectImp& d, TQDomElement& parent, - TQDomDocument& doc ) const -{ - if( d.inherits( IntImp::stype() ) ) - { - parent.appendChild( - doc.createTextNode( - TQString::number( static_cast<const IntImp&>( d ).data() ) ) ); - return TQString::fromLatin1( "int" ); - } - else if ( d.inherits( DoubleImp::stype() ) ) - { - parent.appendChild( - doc.createTextNode( - TQString::number( static_cast<const DoubleImp&>( d ).data() ) ) ); - return TQString::fromLatin1( "double" ); - } - else if( d.inherits( StringImp::stype() ) ) - { - parent.appendChild( - doc.createTextNode( - static_cast<const StringImp&>( d ).data() ) ); - return TQString::fromLatin1( "string" ); - } - else if ( d.inherits( TestResultImp::stype() ) ) - { - parent.appendChild( - doc.createTextNode( - static_cast<const TestResultImp&>( d ).data() ) ); - return TQString::fromLatin1( "testresult" ); - } - else if( d.inherits( HierarchyImp::stype() ) ) - { - static_cast<const HierarchyImp&>( d ).data().serialize( parent, doc ); - return TQString::fromLatin1( "hierarchy" ); - } - else if ( d.inherits( TransformationImp::stype() ) ) - { - const Transformation& trans = static_cast<const TransformationImp&>( d ).data(); - - TQDomElement matrixe = doc.createElement( "matrix" ); - for ( int i = 0; i < 3; ++i ) - { - for ( int j = 0; j < 3; ++j ) - { - TQDomElement elel = doc.createElement( "element" ); - elel.setAttribute( "row", TQString::number( i ) ); - elel.setAttribute( "column", TQString::number( j ) ); - elel.appendChild( doc.createTextNode( TQString::number( trans.data( i, j ) ) ) ); - matrixe.appendChild( elel ); - }; - } - parent.appendChild( matrixe ); - - TQDomElement homothetye = doc.createElement( "homothetic" ); - const char* ishomothety = trans.isHomothetic() ? "true" : "false"; - homothetye.appendChild( doc.createTextNode( ishomothety ) ); - parent.appendChild( homothetye ); - - return TQString::fromLatin1( "transformation" ); - } - else if( d.inherits( AbstractLineImp::stype() ) ) - { - LineData l = static_cast<const AbstractLineImp&>( d ).data(); - addCoordinateElement( "a", l.a, parent, doc ); - addCoordinateElement( "b", l.b, parent, doc ); - if( d.inherits( SegmentImp::stype() ) ) - return TQString::fromLatin1( "segment" ); - else if( d.inherits( RayImp::stype() ) ) - return TQString::fromLatin1( "ray" ); - else return TQString::fromLatin1( "line" ); - } - else if( d.inherits( PointImp::stype() ) ) - { - addXYElements( static_cast<const PointImp&>( d ).coordinate(), - parent, doc ); - return TQString::fromLatin1( "point" ); - } - else if( d.inherits( TextImp::stype() ) ) - { - TQString text = static_cast<const TextImp&>( d ).text(); - parent.appendChild( - doc.createTextNode( text ) ); - return TQString::fromLatin1( "text" ); - } - else if( d.inherits( AngleImp::stype() ) ) - { - addDoubleElement( "size", static_cast<const AngleImp&>( d ).size(), parent, doc ); - return TQString::fromLatin1( "angle" ); - } - else if ( d.inherits( ArcImp::stype() ) ) - { - const ArcImp& a = static_cast<const ArcImp&>( d ); - addCoordinateElement( "center", a.center(), parent, doc ); - addDoubleElement( "radius", a.radius(), parent, doc ); - addDoubleElement( "startangle", a.startAngle(), parent, doc ); - addDoubleElement( "angle", a.angle(), parent, doc ); - return TQString::fromLatin1( "arc" ); - } - else if( d.inherits( VectorImp::stype() ) ) - { - Coordinate dir = static_cast<const VectorImp&>( d ).dir(); - addXYElements( dir, parent, doc ); - return TQString::fromLatin1( "vector" ); - } - else if( d.inherits( LocusImp::stype() ) ) - { - const LocusImp& locus = static_cast<const LocusImp&>( d ); - - // serialize the curve.. - TQDomElement curve = doc.createElement( "curve" ); - const CurveImp& curveimp = *locus.curve(); - TQString type = serialize( curveimp, curve, doc ); - curve.setAttribute( "type", type ); - parent.appendChild( curve ); - - // serialize the hierarchy.. - TQDomElement hier = doc.createElement( "calculation" ); - locus.hierarchy().serialize( hier, doc ); - parent.appendChild( hier ); - - return TQString::fromLatin1( "locus" ); - } - else if( d.inherits( CircleImp::stype() ) ) - { - const CircleImp& c = static_cast<const CircleImp&>( d ); - addCoordinateElement( "center", c.center(), parent, doc ); - addDoubleElement( "radius", c.radius(), parent, doc ); - return TQString::fromLatin1( "circle" ); - } - else if( d.inherits( ConicImp::stype() ) ) - { - const ConicPolarData data = static_cast<const ConicImp&>( d ).polarData(); - addCoordinateElement( "focus1", data.focus1, parent, doc ); - addDoubleElement( "pdimen", data.pdimen, parent, doc ); - addDoubleElement( "ecostheta0", data.ecostheta0, parent, doc ); - addDoubleElement( "esintheta0", data.esintheta0, parent, doc ); - return TQString::fromLatin1( "conic" ); - } - else if( d.inherits( CubicImp::stype() ) ) - { - const CubicCartesianData data = static_cast<const CubicImp&>( d ).data(); - TQDomElement coeffs = doc.createElement( "coefficients" ); - addDoubleElement( "a000", data.coeffs[0], coeffs, doc ); - addDoubleElement( "a001", data.coeffs[1], coeffs, doc ); - addDoubleElement( "a002", data.coeffs[2], coeffs, doc ); - addDoubleElement( "a011", data.coeffs[3], coeffs, doc ); - addDoubleElement( "a012", data.coeffs[4], coeffs, doc ); - addDoubleElement( "a022", data.coeffs[5], coeffs, doc ); - addDoubleElement( "a111", data.coeffs[6], coeffs, doc ); - addDoubleElement( "a112", data.coeffs[7], coeffs, doc ); - addDoubleElement( "a122", data.coeffs[8], coeffs, doc ); - addDoubleElement( "a222", data.coeffs[9], coeffs, doc ); - parent.appendChild( coeffs ); - return TQString::fromLatin1( "cubic" ); - } - assert( false ); - return TQString(); -} - -static Coordinate readXYElements( const TQDomElement& e, bool& ok ) -{ - double x, y; - ok = true; - TQDomElement xe = e.firstChild().toElement(); - if ( xe.isNull() || xe.tagName() != "x" ) - { - ok = false; - return Coordinate(); - } - else x = xe.text().toDouble( &ok ); - - TQDomElement ye = xe.nextSibling().toElement(); - if ( ye.isNull() || ye.tagName() != "y" ) - { - ok = false; - return Coordinate(); - } - else y = ye.text().toDouble( &ok ); - - return Coordinate( x, y ); -} - -static Coordinate readCoordinateElement( TQDomNode n, bool& ok, - const char* tagname ) -{ - TQDomElement e = n.toElement(); - if ( e.isNull() || e.tagName() != tagname ) - { - ok = false; - Coordinate ret; - return ret; - } - return readXYElements( e, ok ); -} - -static double readDoubleElement( TQDomNode n, bool& ok, - const char* tagname ) -{ - TQDomElement e = n.toElement(); - if ( e.isNull() || e.tagName() != tagname ) - { - ok = false; - return 0.; - }; - return e.text().toDouble( &ok ); -} - -ObjectImp* ObjectImpFactory::deserialize( const TQString& type, - const TQDomElement& parent, - TQString& error ) const -{ -#define KIG_GENERIC_PARSE_ERROR \ - { \ - error = i18n( "An error was encountered at line %1 in file %2." ) \ - .arg( __LINE__ ).arg( __FILE__ ); \ - return 0; \ - } - - bool ok = true; - if ( type == "int" ) - { - int ret = parent.text().toInt( &ok ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - return new IntImp( ret ); - } - else if ( type == "double" ) - { - double ret = parent.text().toDouble( &ok ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - return new DoubleImp( ret ); - } - else if ( type == "string" ) - { - return new StringImp( parent.text() ); - } - else if ( type == "testresult" ) - { - return new TestResultImp( parent.text() ); - } - else if ( type == "hierarchy" ) - { - ObjectHierarchy* hier = ObjectHierarchy::buildSafeObjectHierarchy( parent, error ); - if ( ! hier ) return 0; - HierarchyImp* imp = new HierarchyImp( *hier ); - delete hier; - return imp; - } - else if ( type == "transformation" ) - { - double data[3][3]; - bool homothetic = false; - for ( TQDomElement childe = parent.firstChild().toElement(); - ! childe.isNull(); childe = childe.nextSibling().toElement() ) - { - if ( childe.tagName() == "matrix" ) - { - for ( TQDomElement elel = childe.firstChild().toElement(); - ! elel.isNull(); elel = elel.nextSibling().toElement() ) - { - if ( elel.tagName() != "element" ) KIG_GENERIC_PARSE_ERROR; - bool ok = true; - int row = elel.attribute( "row" ).toInt( &ok ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - int column = elel.attribute( "column" ).toInt( &ok ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - data[row][column] = elel.text().toDouble( &ok ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - }; - } - else if ( childe.tagName() == "homothetic" ) - { - homothetic = childe.text() == "true"; - } - else continue; - }; - Transformation trans( data, homothetic ); - return new TransformationImp( trans ); - } - else if ( type == "point" ) - { - Coordinate ret = readXYElements( parent, ok ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - return new PointImp( ret ); - } - else if ( type == "line" || type == "segment" || type == "ray" ) - { - TQDomNode n = parent.firstChild(); - Coordinate a = readCoordinateElement( n, ok, "a" ); - if ( !ok ) KIG_GENERIC_PARSE_ERROR; - n = n.nextSibling(); - Coordinate b = readCoordinateElement( n, ok, "b" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - if ( type == "line" ) return new LineImp( a, b ); - else if ( type == "segment" ) return new SegmentImp( a, b ); - else return new RayImp( a, b ); - } - else if( type == "angle" ) - { - double size = readDoubleElement( parent.firstChild(), ok, "size" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - return new AngleImp( Coordinate(), 0, size ); - } - else if ( type == "arc" ) - { - TQDomNode n = parent.firstChild(); - Coordinate center = readCoordinateElement( n, ok, "center" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - n = n.nextSibling(); - double radius = readDoubleElement( n, ok, "radius" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - n = n.nextSibling(); - double startangle = readDoubleElement( n, ok, "startangle" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - n = n.nextSibling(); - double angle = readDoubleElement( n, ok, "angle" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - return new ArcImp( center, radius, startangle, angle ); - } - else if( type == "vector" ) - { - Coordinate dir = readXYElements( parent, ok ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - return new VectorImp( Coordinate(), dir ); - } - else if( type == "locus" ) - { - TQDomElement curvee = parent.firstChild().toElement(); - if ( curvee.isNull() || curvee.tagName() != "curve" ) KIG_GENERIC_PARSE_ERROR; - TQString type = curvee.attribute( "type" ); - ObjectImp* oi = deserialize( type, curvee, error ); - if ( ! oi || ! oi->inherits( CurveImp::stype() ) ) KIG_GENERIC_PARSE_ERROR; - //CurveImp* curvei = static_cast<CurveImp*>( oi ); - - TQDomElement hiere = curvee.nextSibling().toElement(); - if ( hiere.isNull() || hiere.tagName() != "calculation" ) KIG_GENERIC_PARSE_ERROR; - assert( false ); // TODO -// return new LocusImp( curvei, hier ); - } - else if( type == "circle" ) - { - TQDomNode n = parent.firstChild(); - Coordinate center = readCoordinateElement( n, ok, "center" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double radius = readDoubleElement( n, ok, "radius" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - return new CircleImp( center, radius ); - } - else if( type == "conic" ) - { - TQDomNode n = parent.firstChild(); - Coordinate focus1 = readCoordinateElement( n, ok, "focus1" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double pdimen = readDoubleElement( n, ok, "pdimen" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double ecostheta0 = readDoubleElement( n, ok, "ecostheta0" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double esintheta0 = readDoubleElement( n, ok, "esintheta0" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - return new ConicImpPolar( - ConicPolarData( focus1, pdimen, ecostheta0, esintheta0 ) ); - } - else if( type == "cubic" ) - { - TQDomElement coeffse = parent.firstChild().toElement(); - if ( coeffse.isNull() || coeffse.tagName() != "coefficients" ) - KIG_GENERIC_PARSE_ERROR; - - TQDomNode n = coeffse.firstChild(); - double a000 = readDoubleElement( n, ok, "a000" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double a001 = readDoubleElement( n, ok, "a001" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double a002 = readDoubleElement( n, ok, "a002" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double a011 = readDoubleElement( n, ok, "a011" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double a012 = readDoubleElement( n, ok, "a012" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double a022 = readDoubleElement( n, ok, "a022" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double a111 = readDoubleElement( n, ok, "a111" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double a112 = readDoubleElement( n, ok, "a112" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double a122 = readDoubleElement( n, ok, "a112" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - n = n.nextSibling(); - double a222 = readDoubleElement( n, ok, "a222" ); - if ( ! ok ) KIG_GENERIC_PARSE_ERROR; - - return new CubicImp( CubicCartesianData( a000, a001, a002, - a011, a012, a022, - a111, a112, a122, - a222 ) ); - } - - error = i18n( "This Kig file uses an object of type \"%1\", " - "which this Kig version does not support." - "Perhaps you have compiled Kig without support " - "for this object type," - "or perhaps you are using an older Kig version." ).arg( type ); - return 0; -} - |