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/*
TikZiT - a GUI diagram editor for TikZ
Copyright (C) 2018 Aleks Kissinger
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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "tikzassembler.h"
#include "tikzparserdefs.h"
#include "tikzparser.parser.hpp"
#include "tikzlexer.h"
int yyparse(void *scanner);
TikzAssembler::TikzAssembler(Graph *graph, QObject *parent) :
QObject(parent), _graph(graph), _tikzStyles(0)
{
yylex_init(&scanner);
yyset_extra(this, scanner);
_currentEdgeData = nullptr;
_currentPath = nullptr;
}
TikzAssembler::TikzAssembler(TikzStyles *tikzStyles, QObject *parent) :
QObject(parent), _graph(0), _tikzStyles(tikzStyles)
{
yylex_init(&scanner);
yyset_extra(this, scanner);
_currentEdgeData = nullptr;
_currentPath = nullptr;
}
void TikzAssembler::addNodeToMap(Node *n) { _nodeMap.insert(n->name(), n); }
Node *TikzAssembler::nodeWithName(QString name) { return _nodeMap[name]; }
bool TikzAssembler::parse(const QString &tikz)
{
yy_scan_string(tikz.toLatin1().data(), scanner);
int result = yyparse(scanner);
if (result == 0) return true;
else return false;
}
Graph *TikzAssembler::graph() const
{
return _graph;
}
TikzStyles *TikzAssembler::tikzStyles() const
{
return _tikzStyles;
}
bool TikzAssembler::isGraph() const
{
return _graph != 0;
}
bool TikzAssembler::isTikzStyles() const
{
return _tikzStyles != 0;
}
Node *TikzAssembler::currentEdgeSource() const
{
return _currentEdgeSource;
}
void TikzAssembler::setCurrentEdgeSource(Node *currentEdgeSource)
{
_currentEdgeSource = currentEdgeSource;
}
Node *TikzAssembler::currentPathSource() const
{
if (_currentPath && _currentPath->length() > 0) {
return _currentPath->edges()[0]->source();
} else {
return nullptr;
}
}
GraphElementData *TikzAssembler::currentEdgeData() const
{
return _currentEdgeData;
}
void TikzAssembler::setCurrentEdgeData(GraphElementData *currentEdgeData)
{
_currentEdgeData = currentEdgeData;
}
QString TikzAssembler::currentEdgeSourceAnchor() const
{
return _currentEdgeSourceAnchor;
}
void TikzAssembler::setCurrentEdgeSourceAnchor(const QString ¤tEdgeSourceAnchor)
{
_currentEdgeSourceAnchor = currentEdgeSourceAnchor;
}
void TikzAssembler::addEdge(Edge *e)
{
if (!_currentPath) _currentPath = new Path();
_currentPath->addEdge(e);
_graph->addEdge(e);
}
void TikzAssembler::finishCurrentPath()
{
if (_currentEdgeData) {
GraphElementData *d = _currentEdgeData;
_currentEdgeData = nullptr;
delete d;
}
if (_currentPath) {
if (_currentPath->length() < 2) {
_currentPath->removeEdges();
Path *p = _currentPath;
_currentPath = nullptr;
delete p;
} else {
_graph->addPath(_currentPath);
_currentPath = nullptr;
}
}
}
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