PDF4QT/CodeGenerator/codegenerator.cpp

965 lines
25 KiB
C++

// Copyright (C) 2020 Jakub Melka
//
// This file is part of PdfForQt.
//
// PdfForQt is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// PdfForQt 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with PDFForQt. If not, see <https://www.gnu.org/licenses/>.
#include "codegenerator.h"
namespace codegen
{
GeneratedCodeStorage::GeneratedCodeStorage(QObject* parent) :
BaseClass(parent)
{
}
QObjectList GeneratedCodeStorage::getFunctions() const
{
return m_functions;
}
void GeneratedCodeStorage::setFunctions(const QObjectList& functions)
{
m_functions = functions;
}
GeneratedFunction* GeneratedCodeStorage::addFunction(const QString& name)
{
GeneratedFunction* function = new GeneratedFunction(this);
function->setFunctionName(name);
m_functions.append(function);
return function;
}
GeneratedFunction* GeneratedCodeStorage::addFunction(GeneratedFunction* function)
{
function->setParent(this);
m_functions.append(function);
return function;
}
void GeneratedCodeStorage::removeFunction(GeneratedFunction* function)
{
function->deleteLater();
m_functions.removeOne(function);
}
QObject* Serializer::load(const QDomElement& element, QObject* parent)
{
QString className = element.attribute("class");
const int metaTypeId = QMetaType::type(className.toLatin1());
const QMetaObject* metaObject = QMetaType::metaObjectForType(metaTypeId);
if (metaObject)
{
QObject* deserializedObject = metaObject->newInstance(Q_ARG(QObject*, parent));
const int propertyCount = metaObject->propertyCount();
for (int i = 0; i < propertyCount; ++i)
{
QMetaProperty property = metaObject->property(i);
if (property.isWritable())
{
// Find, if property was serialized
QDomElement propertyElement;
QDomNodeList children = element.childNodes();
for (int i = 0; i < children.count(); ++i)
{
QDomNode child = children.item(i);
if (child.isElement())
{
QDomElement childElement = child.toElement();
QString attributeName = childElement.attribute("name");
if (attributeName == property.name())
{
propertyElement = child.toElement();
break;
}
}
}
if (!propertyElement.isNull())
{
// Deserialize the element
if (property.isEnumType())
{
QMetaEnum metaEnum = property.enumerator();
Q_ASSERT(metaEnum.isValid());
property.write(deserializedObject, metaEnum.keyToValue(propertyElement.text().toLatin1().data()));
}
else if (property.userType() == qMetaTypeId<QObjectList>())
{
QObjectList objectList;
QDomNodeList children = propertyElement.childNodes();
for (int i = 0; i < children.count(); ++i)
{
QDomNode node = children.item(i);
if (node.isElement())
{
QDomElement element = node.toElement();
if (QObject* object = Serializer::load(element, deserializedObject))
{
objectList.append(object);
}
}
}
property.write(deserializedObject, QVariant::fromValue(qMove(objectList)));
}
else
{
QVariant value = propertyElement.text();
property.write(deserializedObject, value);
}
}
}
}
return deserializedObject;
}
return nullptr;
}
void Serializer::store(QObject* object, QDomElement& element)
{
Q_ASSERT(object);
const QMetaObject* metaObject = object->metaObject();
element.setAttribute("class", QString(metaObject->className()));
const int propertyCount = metaObject->propertyCount();
if (propertyCount > 0)
{
for (int i = 0; i < propertyCount; ++i)
{
QMetaProperty property = metaObject->property(i);
if (property.isReadable())
{
QDomElement propertyElement = element.ownerDocument().createElement("property");
element.appendChild(propertyElement);
propertyElement.setAttribute("name", property.name());
QVariant value = property.read(object);
if (property.isEnumType())
{
QMetaEnum metaEnum = property.enumerator();
Q_ASSERT(metaEnum.isValid());
propertyElement.appendChild(propertyElement.ownerDocument().createTextNode(metaEnum.valueToKey(value.toInt())));
}
else if (value.canConvert<QObjectList>())
{
QObjectList objectList = value.value<QObjectList>();
for (QObject* currentObject : objectList)
{
QDomElement objectElement = element.ownerDocument().createElement("QObject");
propertyElement.appendChild(objectElement);
Serializer::store(currentObject, objectElement);
}
}
else
{
propertyElement.appendChild(propertyElement.ownerDocument().createTextNode(value.toString()));
}
}
}
}
}
QObject* Serializer::clone(QObject* object, QObject* parent)
{
QDomDocument document;
QDomElement rootElement = document.createElement("root");
document.appendChild(rootElement);
Serializer::store(object, rootElement);
return Serializer::load(rootElement, parent);
}
CodeGenerator::CodeGenerator(QObject* parent) :
BaseClass(parent)
{
qRegisterMetaType<GeneratedCodeStorage*>("codegen::GeneratedCodeStorage");
qRegisterMetaType<GeneratedFunction*>("codegen::GeneratedFunction");
qRegisterMetaType<GeneratedBase*>("codegen::GeneratedBase");
qRegisterMetaType<GeneratedParameter*>("codegen::GeneratedParameter");
qRegisterMetaType<GeneratedPDFObject*>("codegen::GeneratedPDFObject");
qRegisterMetaType<GeneratedAction*>("codegen::GeneratedAction");
qRegisterMetaType<QObjectList>("QObjectList");
}
void CodeGenerator::initialize()
{
m_storage = new GeneratedCodeStorage(this);
}
void CodeGenerator::load(const QDomDocument& document)
{
delete m_storage;
m_storage = nullptr;
m_storage = qobject_cast<GeneratedCodeStorage*>(Serializer::load(document.firstChildElement("root"), this));
}
void CodeGenerator::store(QDomDocument& document)
{
if (m_storage)
{
QDomElement rootElement = document.createElement("root");
document.appendChild(rootElement);
Serializer::store(m_storage, rootElement);
}
}
GeneratedFunction::GeneratedFunction(QObject* parent) :
BaseClass(parent)
{
}
QString GeneratedFunction::getFunctionTypeString() const
{
return Serializer::convertEnumToString(m_functionType);
}
void GeneratedFunction::setFunctionTypeString(const QString& string)
{
Serializer::convertStringToEnum<decltype(m_functionType)>(string, m_functionType);
}
GeneratedFunction::FunctionType GeneratedFunction::getFunctionType() const
{
return m_functionType;
}
void GeneratedFunction::setFunctionType(const FunctionType& functionType)
{
m_functionType = functionType;
}
QString GeneratedFunction::getFunctionName() const
{
return m_functionName;
}
void GeneratedFunction::setFunctionName(const QString& functionName)
{
m_functionName = functionName;
}
QString GeneratedFunction::getFunctionDescription() const
{
return m_functionDescription;
}
void GeneratedFunction::setFunctionDescription(const QString& functionDescription)
{
m_functionDescription = functionDescription;
}
GeneratedFunction* GeneratedFunction::clone(QObject* parent)
{
return qobject_cast<GeneratedFunction*>(Serializer::clone(this, parent));
}
bool GeneratedFunction::hasField(GeneratedBase::FieldType fieldType) const
{
switch (fieldType)
{
case FieldType::Name:
case FieldType::ItemType:
case FieldType::DataType:
case FieldType::Description:
return true;
case FieldType::Value:
return false;
default:
break;
}
return false;
}
QVariant GeneratedFunction::readField(GeneratedBase::FieldType fieldType) const
{
switch (fieldType)
{
case FieldType::Name:
return m_functionName;
case FieldType::ItemType:
return int(m_functionType);
case FieldType::DataType:
return int(m_returnType);
case FieldType::Description:
return m_functionDescription;
case FieldType::Value:
default:
break;
}
return QVariant();
}
void GeneratedFunction::writeField(GeneratedBase::FieldType fieldType, QVariant value)
{
switch (fieldType)
{
case FieldType::Name:
m_functionName = value.toString();
break;
case FieldType::ItemType:
m_functionType = static_cast<FunctionType>(value.toInt());
break;
case FieldType::DataType:
m_returnType = static_cast<DataType>(value.toInt());
break;
case FieldType::Description:
m_functionDescription = value.toString();
break;
case FieldType::Value:
default:
break;
}
}
void GeneratedFunction::fillComboBox(QComboBox* comboBox, GeneratedBase::FieldType fieldType)
{
switch (fieldType)
{
case FieldType::ItemType:
Serializer::fillComboBox(comboBox, m_functionType);
break;
case FieldType::DataType:
Serializer::fillComboBox(comboBox, m_returnType);
break;
default:
break;
}
}
bool GeneratedFunction::canHaveSubitems() const
{
return true;
}
QStringList GeneratedFunction::getCaptions() const
{
return QStringList() << QString("Function") << QString("%1 %2(...)").arg(Serializer::convertEnumToString(m_returnType), m_functionName);
}
GeneratedBase* GeneratedFunction::appendItem()
{
Q_ASSERT(canHaveSubitems());
GeneratedBase* newItem = new GeneratedAction(this);
addItem(newItem);
return newItem;
}
GeneratedFunction::DataType GeneratedFunction::getReturnType() const
{
return m_returnType;
}
void GeneratedFunction::setReturnType(DataType returnType)
{
m_returnType = returnType;
}
GeneratedAction::GeneratedAction(QObject* parent) :
BaseClass(parent),
m_actionType(CreateObject)
{
}
bool GeneratedAction::hasField(FieldType fieldType) const
{
switch (fieldType)
{
case FieldType::Name:
return m_actionType == CreateObject;
case FieldType::ItemType:
return true;
case FieldType::DataType:
return hasField(FieldType::Name) && !m_variableName.isEmpty();
case FieldType::Description:
return m_actionType == Code;
default:
break;
}
return false;
}
QVariant GeneratedAction::readField(GeneratedBase::FieldType fieldType) const
{
switch (fieldType)
{
case FieldType::Name:
return m_variableName;
case FieldType::ItemType:
return int(m_actionType);
case FieldType::DataType:
return int(m_variableType);
case FieldType::Description:
return m_code;
default:
break;
}
return QVariant();
}
void GeneratedAction::writeField(GeneratedBase::FieldType fieldType, QVariant value)
{
switch (fieldType)
{
case FieldType::Name:
m_variableName = value.toString();
break;
case FieldType::ItemType:
m_actionType = static_cast<ActionType>(value.toInt());
break;
case FieldType::DataType:
m_variableType = static_cast<DataType>(value.toInt());
break;
case FieldType::Description:
m_code = value.toString();
break;
default:
break;
}
}
void GeneratedAction::fillComboBox(QComboBox* comboBox, FieldType fieldType)
{
switch (fieldType)
{
case FieldType::ItemType:
Serializer::fillComboBox(comboBox, m_actionType);
break;
case FieldType::DataType:
Serializer::fillComboBox(comboBox, m_variableType);
break;
default:
break;
}
}
bool GeneratedAction::canHaveSubitems() const
{
switch (m_actionType)
{
case Parameters:
case CreateObject:
return true;
default:
break;
}
return false;
}
QStringList GeneratedAction::getCaptions() const
{
return QStringList() << QString("Action %1").arg(Serializer::convertEnumToString(m_actionType)) << (!m_variableName.isEmpty() ? QString("%1 %2").arg(Serializer::convertEnumToString(m_variableType), m_variableName) : QString());
}
GeneratedBase* GeneratedAction::appendItem()
{
Q_ASSERT(canHaveSubitems());
GeneratedBase* newItem = nullptr;
switch (m_actionType)
{
case Parameters:
newItem = new GeneratedParameter(this);
break;
default:
newItem = new GeneratedPDFObject(this);
break;
}
addItem(newItem);
return newItem;
}
GeneratedAction::ActionType GeneratedAction::getActionType() const
{
return m_actionType;
}
void GeneratedAction::setActionType(ActionType actionType)
{
m_actionType = actionType;
if (!canHaveSubitems())
{
clearItems();
}
}
QString GeneratedAction::getVariableName() const
{
return m_variableName;
}
void GeneratedAction::setVariableName(const QString& variableName)
{
m_variableName = variableName;
}
GeneratedAction::DataType GeneratedAction::getVariableType() const
{
return m_variableType;
}
void GeneratedAction::setVariableType(DataType variableType)
{
m_variableType = variableType;
}
QString GeneratedAction::getCode() const
{
return m_code;
}
void GeneratedAction::setCode(const QString& code)
{
m_code = code;
}
bool GeneratedBase::canPerformOperation(Operation operation) const
{
const bool isFunction = qobject_cast<const GeneratedFunction*>(this) != nullptr;
switch (operation)
{
case Operation::Delete:
return !isFunction;
case Operation::MoveUp:
{
if (const GeneratedBase* parentBase = getParent())
{
QObjectList items = parentBase->getItems();
return items.indexOf(const_cast<codegen::GeneratedBase*>(this)) > 0;
}
break;
}
case Operation::MoveDown:
{
if (const GeneratedBase* parentBase = getParent())
{
QObjectList items = parentBase->getItems();
return items.indexOf(const_cast<codegen::GeneratedBase*>(this)) < items.size() - 1;
}
break;
}
case Operation::NewSibling:
return !isFunction;
case Operation::NewChild:
return canHaveSubitems();
default:
break;
}
return false;
}
void GeneratedBase::performOperation(GeneratedBase::Operation operation)
{
switch (operation)
{
case Operation::Delete:
{
getParent()->removeItem(this);
break;
}
case Operation::MoveUp:
{
GeneratedBase* parentItem = getParent();
QObjectList items = parentItem->getItems();
const int index = items.indexOf(this);
items.removeAll(const_cast<codegen::GeneratedBase*>(this));
items.insert(index - 1, this);
parentItem->setItems(qMove(items));
break;
}
case Operation::MoveDown:
{
GeneratedBase* parentItem = getParent();
QObjectList items = parentItem->getItems();
const int index = items.indexOf(this);
items.removeAll(const_cast<codegen::GeneratedBase*>(this));
items.insert(index + 1, this);
parentItem->setItems(qMove(items));
break;
}
case Operation::NewSibling:
{
GeneratedBase* parentItem = getParent();
if (GeneratedBase* createdItem = parentItem->appendItem())
{
QObjectList items = parentItem->getItems();
items.removeAll(createdItem);
items.insert(items.indexOf(const_cast<codegen::GeneratedBase*>(this)), createdItem);
parentItem->setItems(qMove(items));
}
break;
}
case Operation::NewChild:
{
appendItem();
break;
}
default:
break;
}
}
QObjectList GeneratedBase::getItems() const
{
return m_items;
}
void GeneratedBase::setItems(const QObjectList& items)
{
m_items = items;
}
void GeneratedBase::addItem(QObject* object)
{
object->setParent(this);
m_items.append(object);
}
void GeneratedBase::removeItem(QObject* object)
{
object->deleteLater();
m_items.removeAll(object);
}
void GeneratedBase::clearItems()
{
qDeleteAll(m_items);
m_items.clear();
}
GeneratedPDFObject::GeneratedPDFObject(QObject* parent) :
BaseClass(parent)
{
}
bool GeneratedPDFObject::hasField(GeneratedBase::FieldType fieldType) const
{
switch (fieldType)
{
case FieldType::Name:
return m_objectType == DictionaryItemSimple || m_objectType == DictionaryItemComplex;
case FieldType::ItemType:
return true;
case FieldType::Value:
return m_objectType == Object || m_objectType == ArraySimple || m_objectType == DictionaryItemSimple;
default:
break;
}
return false;
}
QVariant GeneratedPDFObject::readField(GeneratedBase::FieldType fieldType) const
{
switch (fieldType)
{
case FieldType::Name:
return m_dictionaryItemName;
case FieldType::ItemType:
return int(m_objectType);
case FieldType::Value:
return m_value;
default:
break;
}
return QVariant();
}
void GeneratedPDFObject::writeField(GeneratedBase::FieldType fieldType, QVariant value)
{
switch (fieldType)
{
case FieldType::Name:
m_dictionaryItemName = value.toString();
break;
case FieldType::ItemType:
m_objectType = static_cast<ObjectType>(value.toInt());
break;
case FieldType::Value:
m_value = value.toString();
break;
default:
break;
}
}
void GeneratedPDFObject::fillComboBox(QComboBox* comboBox, GeneratedBase::FieldType fieldType)
{
switch (fieldType)
{
case FieldType::ItemType:
Serializer::fillComboBox(comboBox, m_objectType);
break;
default:
break;
}
}
bool GeneratedPDFObject::canHaveSubitems() const
{
switch (m_objectType)
{
case ArrayComplex:
case Dictionary:
case DictionaryItemComplex:
return true;
default:
break;
}
return false;
}
QStringList GeneratedPDFObject::getCaptions() const
{
QString name;
switch (m_objectType)
{
case Object:
name = tr("Object");
break;
case ArraySimple:
name = tr("Array (simple)");
break;
case ArrayComplex:
name = tr("Array (complex)");
break;
case Dictionary:
name = tr("Dictionary");
break;
case DictionaryItemSimple:
name = tr("Item (simple), name = '%1'").arg(m_dictionaryItemName);
break;
case DictionaryItemComplex:
name = tr("Item (complex), name = '%1'").arg(m_dictionaryItemName);
break;
default:
Q_ASSERT(false);
break;
}
return QStringList() << name << m_value;
}
GeneratedBase* GeneratedPDFObject::appendItem()
{
Q_ASSERT(canHaveSubitems());
GeneratedBase* newItem = new GeneratedPDFObject(this);
addItem(newItem);
return newItem;
}
QString GeneratedPDFObject::getValue() const
{
return m_value;
}
void GeneratedPDFObject::setValue(const QString& value)
{
m_value = value;
}
GeneratedPDFObject::ObjectType GeneratedPDFObject::getObjectType() const
{
return m_objectType;
}
void GeneratedPDFObject::setObjectType(ObjectType objectType)
{
m_objectType = objectType;
if (!canHaveSubitems())
{
clearItems();
}
}
QString GeneratedPDFObject::getDictionaryItemName() const
{
return m_dictionaryItemName;
}
void GeneratedPDFObject::setDictionaryItemName(const QString& dictionaryItemName)
{
m_dictionaryItemName = dictionaryItemName;
}
GeneratedParameter::GeneratedParameter(QObject* parent) :
BaseClass(parent)
{
}
bool GeneratedParameter::hasField(GeneratedBase::FieldType fieldType) const
{
switch (fieldType)
{
case FieldType::Name:
case FieldType::DataType:
case FieldType::Description:
return true;
default:
break;
}
return false;
}
QVariant GeneratedParameter::readField(GeneratedBase::FieldType fieldType) const
{
switch (fieldType)
{
case FieldType::Name:
return m_parameterName;
case FieldType::DataType:
return m_parameterDataType;
case FieldType::Description:
return m_parameterDescription;
default:
break;
}
return QVariant();
}
void GeneratedParameter::writeField(GeneratedBase::FieldType fieldType, QVariant value)
{
switch (fieldType)
{
case FieldType::Name:
m_parameterName = value.toString();
break;
case FieldType::DataType:
m_parameterDataType = static_cast<DataType>(value.toInt());
break;
case FieldType::Description:
m_parameterDescription = value.toString();
break;
default:
break;
}
}
void GeneratedParameter::fillComboBox(QComboBox* comboBox, GeneratedBase::FieldType fieldType)
{
switch (fieldType)
{
case FieldType::DataType:
Serializer::fillComboBox(comboBox, m_parameterDataType);
break;
default:
break;
}
}
bool GeneratedParameter::canHaveSubitems() const
{
return false;
}
QStringList GeneratedParameter::getCaptions() const
{
return QStringList() << QString("%1 %2").arg(Serializer::convertEnumToString(m_parameterDataType)).arg(m_parameterName) << m_parameterDescription;
}
GeneratedBase* GeneratedParameter::appendItem()
{
return nullptr;
}
QString GeneratedParameter::getParameterName() const
{
return m_parameterName;
}
void GeneratedParameter::setParameterName(const QString& parameterName)
{
m_parameterName = parameterName;
}
GeneratedParameter::DataType GeneratedParameter::getParameterDataType() const
{
return m_parameterDataType;
}
void GeneratedParameter::setParameterDataType(const DataType& parameterDataType)
{
m_parameterDataType = parameterDataType;
}
QString GeneratedParameter::getParameterDescription() const
{
return m_parameterDescription;
}
void GeneratedParameter::setParameterDescription(const QString& parameterDescription)
{
m_parameterDescription = parameterDescription;
}
}