Parse expression files, and build the expression tree from the expressions parsed from these files.

code/studio/src/plugins/gui_editor/expression_editor.cpp

@@ -26,14 +26,24 @@
 #include "expression_node.h"
 #include "expression_link.h"
 #include "expr_link_dlg.h"
+#include "expression_store.h"
+#include "expression_info.h"
 
 #include <QMessageBox>
 #include <QInputDialog>
 
+class ExpressionEditorPvt
+{
+public:
+	ExpressionStore store;
+};
+
 ExpressionEditor::ExpressionEditor( QWidget *parent ) :
 QMainWindow( parent )
 {
 	m_ui.setupUi( this );
+
+	m_pvt = new ExpressionEditorPvt();
 	
 	m_selectionCount = 0;
 
@@ -48,9 +58,27 @@ QMainWindow( parent )
 
 ExpressionEditor::~ExpressionEditor()
 {
+	delete m_pvt;
+	m_pvt = NULL;
 	m_scene = NULL;
 }
 
+void ExpressionEditor::load()
+{
+	m_pvt->store.load();
+
+	QList< const ExpressionInfo* > l;
+	m_pvt->store.getExpressions( l );
+
+	QListIterator< const ExpressionInfo* > itr( l );
+	while( itr.hasNext() )
+	{
+		addExpression( itr.next() );
+	}
+
+	l.clear();
+}
+
 void ExpressionEditor::contextMenuEvent( QContextMenuEvent *e )
 {	
 	QMenu menu;
@@ -229,3 +257,31 @@ void ExpressionEditor::onChangeSlotCount()
 	node->changeSlotCount( c );
 }
 
+void ExpressionEditor::addExpression( const ExpressionInfo *info )
+{
+	QTreeWidgetItem *item = findTopLevelItem( info->category );
+	if( item == NULL )
+	{
+		item = new QTreeWidgetItem();
+		item->setText( 0, info->category );
+		m_ui.tree->addTopLevelItem( item );
+	}
+
+	QTreeWidgetItem *citem = new QTreeWidgetItem();
+	citem->setText( 0, info->name );
+	item->addChild( citem );
+}
+
+QTreeWidgetItem* ExpressionEditor::findTopLevelItem( const QString &text )
+{
+	int c = m_ui.tree->topLevelItemCount();
+	for( int i = 0; i < c; i++ )
+	{
+		QTreeWidgetItem *item = m_ui.tree->topLevelItem( i );
+		if( item->text( 0 ) == text )
+			return item;
+	}
+
+	return NULL;
+}
+

code/studio/src/plugins/gui_editor/expression_editor.h

@@ -23,6 +23,8 @@
 #include "ui_expression_editor.h"
 
 class QGraphicsScene;
+class ExpressionEditorPvt;
+class ExpressionInfo;
 
 class ExpressionEditor : public QMainWindow
 {
@@ -31,6 +33,8 @@ public:
 	ExpressionEditor( QWidget *parent = NULL );
 	~ExpressionEditor();
 
+	void load();
+
 protected:
 	void contextMenuEvent( QContextMenuEvent *e );
 
@@ -47,12 +51,16 @@ private Q_SLOTS:
 	void onChangeSlotCount();
 
 private:
+	void addExpression( const ExpressionInfo *info );
+	QTreeWidgetItem* findTopLevelItem( const QString &text );
 
 	Ui::ExpressionEditor m_ui;
 	QGraphicsScene *m_scene;
 
 	int m_selectionCount;
 	int m_nodeCount;
+
+	ExpressionEditorPvt *m_pvt;
 };
 
 #endif

code/studio/src/plugins/gui_editor/expression_editor.ui

@@ -44,56 +44,6 @@
          <string>Expressions</string>
         </property>
        </column>
-       <item>
-        <property name="text">
-         <string>Logical</string>
-        </property>
-        <item>
-         <property name="text">
-          <string>and</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>or</string>
-         </property>
-        </item>
-       </item>
-       <item>
-        <property name="text">
-         <string>Mathematical</string>
-        </property>
-        <item>
-         <property name="text">
-          <string>add</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>sub</string>
-         </property>
-        </item>
-       </item>
-       <item>
-        <property name="text">
-         <string>Value</string>
-        </property>
-        <item>
-         <property name="text">
-          <string>integer</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>string</string>
-         </property>
-        </item>
-        <item>
-         <property name="text">
-          <string>boolean</string>
-         </property>
-        </item>
-       </item>
       </widget>
      </item>
     </layout>

code/studio/src/plugins/gui_editor/expression_info.h

@@ -0,0 +1,34 @@
+// Ryzom Core Studio - GUI Editor Plugin
+//
+// Copyright (C) 2014 Laszlo Kis-Adam
+// Copyright (C) 2010 Ryzom Core <http://ryzomcore.org/>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef EXPRESSION_INFO
+#define EXPRESSION_INFO
+
+#include <QString>
+#include <QStringList>
+
+struct ExpressionInfo
+{
+	QString name;
+	QString category;
+	bool variable;
+	QStringList slotNames;
+};
+
+#endif
+

code/studio/src/plugins/gui_editor/expression_loader.cpp

@@ -0,0 +1,203 @@
+// Ryzom Core Studio - GUI Editor Plugin
+//
+// Copyright (C) 2014 Laszlo Kis-Adam
+// Copyright (C) 2010 Ryzom Core <http://ryzomcore.org/>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "expression_loader.h"
+#include "expression_info.h"
+
+#include <QFile>
+#include <QXmlStreamReader>
+
+class ExpressionLoaderPvt
+{
+public:
+
+	bool parseName()
+	{
+		QString text = reader.readElementText( QXmlStreamReader::ErrorOnUnexpectedElement );
+		if( reader.hasError() )
+			return false;
+
+		m_info->name = text;
+
+		return true;
+	}
+
+	bool parseCategory()
+	{
+		QString text = reader.readElementText( QXmlStreamReader::ErrorOnUnexpectedElement );
+		if( reader.hasError() )
+			return false;
+
+		m_info->category = text;
+
+		return true;
+	}
+
+	bool parseVariable()
+	{
+		QString text = reader.readElementText( QXmlStreamReader::ErrorOnUnexpectedElement );
+		if( reader.hasError() )
+			return false;
+
+		if( text.toLower() == "true" )
+			m_info->variable = true;
+		else
+			m_info->variable = false;
+
+		return true;
+	}
+
+	bool parseSlot()
+	{
+		QString text = reader.readElementText( QXmlStreamReader::ErrorOnUnexpectedElement );
+		if( reader.hasError() )
+			return false;
+
+		m_info->slotNames.push_back( text );
+
+		return true;
+	}
+
+	bool parseSlots()
+	{
+		bool error = false;
+
+		while( !reader.atEnd() )
+		{
+			reader.readNext();
+
+			if( reader.isStartElement() )
+			{
+				QString name = reader.name().toString();
+				if( name == "slot" )
+					error = !parseSlot();
+			}
+			else
+			if( reader.isEndElement() )
+			{
+				if( reader.name() == "slots" )
+					break;
+			}
+		}
+
+		if( reader.atEnd() )
+			return false;
+
+		return true;
+	}
+
+	bool load( QFile *f )
+	{
+		reader.clear();
+		reader.setDevice( f );
+
+		bool error = false;
+
+		// start of document
+		reader.readNext();
+		if( reader.atEnd() )
+			return false;
+
+		// root node
+		reader.readNext();
+		if( reader.atEnd() )
+			return false;
+
+		if( reader.isStartElement() )
+		{
+			// Not an expression file?
+			if( reader.name() != "expression" )
+				return false;
+		}
+
+		while( !reader.atEnd() )
+		{
+			reader.readNext();
+
+			if( reader.isStartElement() )
+			{
+				QString name = reader.name().toString();
+
+				if( name == "name" )
+					error = !parseName();
+				else
+				if( name == "category" )
+					error = !parseCategory();
+				else
+				if( name == "variable" )
+					error = !parseVariable();
+				else
+				if( name == "slots" )
+					error = !parseSlots();
+			}
+
+			if( error )
+				break;
+		}
+
+		if( error || reader.hasError() )
+		{
+			return false;
+		}
+
+		return true;
+	}
+
+	void setInfo( ExpressionInfo *info ){ m_info = info; }
+
+private:
+	QXmlStreamReader reader;
+	ExpressionInfo *m_info;
+};
+
+ExpressionLoader::ExpressionLoader()
+{
+	m_pvt = new ExpressionLoaderPvt;
+}
+
+ExpressionLoader::~ExpressionLoader()
+{
+	delete m_pvt;
+	m_pvt = NULL;
+}
+
+ExpressionInfo* ExpressionLoader::load( const QString &filename )
+{
+	ExpressionInfo *info = NULL;
+	bool ok = false;
+
+	QFile f( filename );
+	if( !f.open( QIODevice::ReadOnly | QIODevice::Text ) )
+		return NULL;
+
+	info = new ExpressionInfo();
+	m_pvt->setInfo( info );
+	ok = m_pvt->load( &f );
+
+	f.close();
+
+	if( !ok )
+	{
+		delete info;
+		info = NULL;
+	}
+
+	return info;
+}
+
+

code/studio/src/plugins/gui_editor/expression_loader.h

@@ -0,0 +1,39 @@
+// Ryzom Core Studio - GUI Editor Plugin
+//
+// Copyright (C) 2014 Laszlo Kis-Adam
+// Copyright (C) 2010 Ryzom Core <http://ryzomcore.org/>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef EXPRESSION_LOADER
+#define EXPRESSION_LOADER
+
+struct ExpressionInfo;
+class QString;
+class ExpressionLoaderPvt;
+
+class ExpressionLoader
+{
+public:
+	ExpressionLoader();
+	~ExpressionLoader();
+
+	ExpressionInfo* load( const QString &filename );
+
+private:
+	ExpressionLoaderPvt *m_pvt;
+};
+
+#endif
+

code/studio/src/plugins/gui_editor/expression_store.cpp

@@ -0,0 +1,105 @@
+// Ryzom Core Studio - GUI Editor Plugin
+//
+// Copyright (C) 2014 Laszlo Kis-Adam
+// Copyright (C) 2010 Ryzom Core <http://ryzomcore.org/>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "expression_store.h"
+#include "expression_info.h"
+#include "expression_loader.h"
+#include <QMap>
+#include <QDir>
+
+class ExpressionStorePvt
+{
+public:
+
+	~ExpressionStorePvt()
+	{
+		qDeleteAll( expressions );
+		expressions.clear();
+	}
+
+
+	QMap< QString, ExpressionInfo* > expressions;
+};
+
+ExpressionStore::ExpressionStore()
+{
+	m_pvt = new ExpressionStorePvt();
+}
+
+ExpressionStore::~ExpressionStore()
+{
+	delete m_pvt;
+	m_pvt = NULL;
+}
+
+
+bool ExpressionStore::load()
+{
+	QDir d( "expressions" );
+	if( !d.exists() )
+		return false;
+
+	QFileInfoList l = d.entryInfoList();
+	QListIterator< QFileInfo > itr( l );
+	if( !itr.hasNext() )
+		return false;
+
+	ExpressionLoader loader;
+
+	while( itr.hasNext() )
+	{
+		const QFileInfo &info = itr.next();
+		if( !info.isFile() )
+			continue;
+
+		if( info.suffix() != "xml" )
+			continue;
+
+		ExpressionInfo *expr = loader.load( info.absoluteFilePath() );
+		if( expr == NULL )
+			continue;
+
+		m_pvt->expressions[ expr->name ] = expr;
+	}
+
+	return false;
+}
+
+void ExpressionStore::getExpressions( QList< const ExpressionInfo* > &l ) const
+{
+	l.clear();
+
+	QMap< QString, ExpressionInfo* >::const_iterator itr = m_pvt->expressions.constBegin();
+	while( itr != m_pvt->expressions.constEnd() )
+	{
+		l.push_back( itr.value() );
+		++itr;
+	}
+}
+
+const ExpressionInfo* ExpressionStore::getInfo( const QString &name )
+{
+	QMap< QString, ExpressionInfo* >::const_iterator itr = m_pvt->expressions.find( name );
+	if( itr == m_pvt->expressions.end() )
+		return NULL;
+	else
+		return itr.value();
+}
+
+
+

code/studio/src/plugins/gui_editor/expression_store.h

@@ -0,0 +1,46 @@
+// Ryzom Core Studio - GUI Editor Plugin
+//
+// Copyright (C) 2014 Laszlo Kis-Adam
+// Copyright (C) 2010 Ryzom Core <http://ryzomcore.org/>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef EXPRESSION_STORE
+#define EXPRESSION_STORE
+
+#include <QString>
+#include <QList>
+#include "expression_info.h"
+
+//struct ExpressionInfo;
+class ExpressionStorePvt;
+
+class ExpressionStore
+{
+public:
+	ExpressionStore();
+	~ExpressionStore();
+
+	bool load();
+
+	void getExpressions( QList< const ExpressionInfo* > &l ) const;
+
+	const ExpressionInfo* getInfo( const QString &name );
+
+private:
+	ExpressionStorePvt *m_pvt;
+};
+
+#endif
+

code/studio/src/plugins/gui_editor/gui_editor_window.cpp

@@ -75,6 +75,7 @@ namespace GUIEditor
 
 		tc = new TextureChooser();
 		ee = new ExpressionEditor();
+		ee->load();
 
 		createMenus();
 		readSettings();