/usr/include/KF5/KrossCore/kross/core/interpreter.h is in kross-dev 5.28.0-1.
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* interpreter.h
* This file is part of the KDE project
* copyright (C)2004-2006 by Sebastian Sauer (mail@dipe.org)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
***************************************************************************/
#ifndef KROSS_INTERPRETER_H
#define KROSS_INTERPRETER_H
#include "errorinterface.h"
#include <QtCore/QStringList>
#include <QtCore/QVariant>
#include <QtCore/QMap>
#include <QtCore/QObject>
namespace Kross
{
// Forward declaration.
class Manager;
class Action;
class Script;
class Interpreter;
/**
* The InterpreterInfo class provides abstract information about
* a \a Interpreter before the interpreter-backend itself is
* loaded.
*/
class KROSSCORE_EXPORT InterpreterInfo
{
public:
/**
* Each interpreter is able to define options we could
* use to manipulate the interpreter behaviour.
*/
class Option
{
public:
/**
* Map of options.
*/
typedef QMap< QString, Option * > Map;
/**
* Constructor.
*
* \param comment A localized comment that describes
* the option.
* \param value The QVariant value this option has.
*/
Option(const QString &comment, const QVariant &value)
: comment(comment), value(value) {}
/// A description of the option.
QString comment;
/// The value the option has.
QVariant value;
};
/**
* Constructor.
*
* \param interpretername The name of the interpreter. The name is
* used internaly as unique identifier for the interpreter and
* could be for example "python", "ruby" or "javascript".
* \param funcPtr A pointer to the entry function within the
* library. The entry function each interpreter-backend does
* provide looks like this;
* \code
* typedef void* (*def_interpreter_func)(int version, Kross::InterpreterInfo*);
* \endcode
* The def_interpreter_func function will be used by Kross to load
* the interpreter's library. The passed version is used to be able
* to versioning details and we use the KROSS_VERSION defined within
* the krossconfig.h file here.
* \param wildcard File wildcard that identifies a by the interpreter
* supported scripting files. As example Python does define here
* "*.py" while Java does define "*.java *.class".
* \param mimetypes The file mimetype that identifies a by the interpreter
* supported scripting files. As example Python does define "text/x-python"
* here while Ruby defines "application/x-ruby" and Java "application/java".
* \param options The optional list of options supported by the interpreter
* to configure the backend.
*/
InterpreterInfo(const QString &interpretername, QFunctionPointer funcPtr, const QString &wildcard, const QStringList &mimetypes, const Option::Map &options = Option::Map());
/**
* Destructor.
*/
~InterpreterInfo();
/**
* \return the name of the interpreter. For example "python" or "ruby".
*/
const QString interpreterName() const;
/**
* \return the file-wildcard used to determinate by this interpreter
* used scriptingfiles. For example python just defines it as "*py".
*/
const QString wildcard() const;
/**
* List of mimetypes this interpreter supports.
* \return QStringList with mimetypes like "application/javascript".
*/
const QStringList mimeTypes() const;
/**
* \return true if an \a Option with that \p key exists else false.
*/
bool hasOption(const QString &name) const;
/**
* \return the option defined with \p name .
*/
Option *option(const QString &name) const;
/**
* \return the reference to the intenal used map with all options.
*/
Option::Map &options();
/**
* \return the value of the option defined with \p name . If there
* doesn't exists an option with such a name, the \p defaultvalue
* is returned.
*/
const QVariant optionValue(const QString &name, const QVariant &defaultvalue = QVariant()) const;
/**
* \return the \a Interpreter instance this \a InterpreterInfo
* is the describer for. If the interpreter that implements the
* scripting backend isn't loaded yet, this method will trigger
* the loading of the interpreter's library. Note that this
* method may return NULL if there is no library for that
* interpreter installed or if the library is incompatible.
*/
Interpreter *interpreter();
private:
/// \internal d-pointer class.
class Private;
/// \internal d-pointer instance.
Private *const d;
};
/**
* Base class for interpreter implementations.
*
* Each scripting backend needs to inherit its own
* interpreter and implement it.
*
* The Interpreter will be managed by the \a Manager
* class and does provide a factory method to create
* \a Script implementations.
*/
class KROSSCORE_EXPORT Interpreter : public QObject, public ErrorInterface
{
Q_OBJECT
public:
/**
* Constructor.
*
* \param info is the \a InterpreterInfo instance
* that describes this interpreter.
*/
explicit Interpreter(InterpreterInfo *info);
/**
* Destructor.
*/
virtual ~Interpreter();
/**
* \return the \a InterpreterInfo that represents
* this \a Interpreter .
*/
InterpreterInfo *interpreterInfo() const;
/**
* Create and return a new interpreter dependent
* \a Script instance.
*
* \param Action The \a Action
* to use for the \a Script instance.
* \return The from \a Script inherited instance.
*/
virtual Script *createScript(Action *Action) = 0;
private:
/// \internal d-pointer class.
class Private;
/// \internal d-pointer instance.
Private *const d;
};
}
#endif
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