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Viewing changes to ksudoku/engine/script/scriptedruleset.cpp

  • Committer: Package Import Robot
  • Author(s): Jonathan Riddell
  • Date: 2011-12-15 14:17:50 UTC
  • mfrom: (1.3.14)
  • Revision ID: package-import@ubuntu.com-20111215141750-6tj6brf4azhrt915
Tags: 4:4.7.90-0ubuntu1
new upstream beta release

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ksudoku/engine/script/scriptedruleset.cpp
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#include "./scriptedruleset.h"
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#include <QScriptEngine>
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#include <QStringList>
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#include <QScriptValueIterator>
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#include "objectmanager.h"
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#include "boardclass.h"
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#include "itemclass.h"
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#include "boardwrapper.h"
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#include "itemwrapper.h"
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#include "item.h"
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#include <QDebug>
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Q_DECLARE_METATYPE(QScriptValue)
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#ifndef KDE_USE_FINAL
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Q_DECLARE_METATYPE(QVector<QScriptValue>)
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#endif
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class ScriptedRulesetPrivate {
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        Q_DECLARE_PUBLIC(ScriptedRuleset)
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public:
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        ScriptedRulesetPrivate(ScriptedRuleset *ruleset);
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public:
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        void initItemArray(const QScriptValue &value);
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private:
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        QScriptEngine engine;
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        QScriptValue logine;
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        QScriptValue ruleset;
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        QScriptValue items;
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        ObjectManager objectManager;
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        BoardClass *logineBoardClass;
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        ItemClass *logineItemClass;
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protected:
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        ScriptedRuleset *q_ptr;
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};
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ScriptedRulesetPrivate::ScriptedRulesetPrivate(ScriptedRuleset *ruleset) {
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        q_ptr = ruleset;
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        qScriptRegisterSequenceMetaType<QVector<QScriptValue> >(&engine);
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        logineBoardClass = new BoardClass(&engine);
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        logineItemClass = new ItemClass(&engine, &objectManager);
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}
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void ScriptedRulesetPrivate::initItemArray(const QScriptValue &array) {
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        Q_Q(ScriptedRuleset);
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        QScriptValueIterator it(array);
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        while(it.hasNext()) {
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                it.next();
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                QScriptValue value = it.value();
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                QScriptClass *cls = value.scriptClass();
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                if(!cls) {
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                        if(value.isArray()) {
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                                initItemArray(value);
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                        }
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                } else if(cls == logineItemClass) {
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                        ItemWrapper *item = ItemClass::valueToWrapper(value);
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                        item->init(q);
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                } else if(cls == logineBoardClass) {
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                        BoardWrapper *board = BoardClass::valueToWrapper(value);
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                        board->init(q);
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                }
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        }
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}
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ScriptedRuleset::ScriptedRuleset() {
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        d_ptr = new ScriptedRulesetPrivate(this);
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}
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ScriptedRuleset::~ScriptedRuleset() {
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        delete d_ptr;
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}
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void ScriptedRuleset::addItemType(const QString& name, ItemConstructor ctor) {
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        Q_D(ScriptedRuleset);
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        d->objectManager.addItemType(name, ctor);
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}
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QScriptValue debug(QScriptContext *context, QScriptEngine *engine) {
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        qDebug() << "debug" << context->argument(0).toString();
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        return QScriptValue();
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}
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bool ScriptedRuleset::load(const QString &program) {
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        Q_D(ScriptedRuleset);
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        d->logine = d->engine.newObject();
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        d->engine.globalObject().setProperty("logine", d->logine, QScriptValue::ReadOnly);
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        d->logine.setProperty("Board", d->logineBoardClass->constructor());
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        d->logine.setProperty("Item", d->logineItemClass->constructor());
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        d->engine.globalObject().setProperty("debug", d->engine.newFunction(debug, 1));
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        d->ruleset = d->engine.newObject();
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        d->engine.globalObject().setProperty("ruleset", d->ruleset, QScriptValue::ReadOnly);
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        d->items = d->engine.newArray();
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        d->ruleset.setProperty("items", d->items, QScriptValue::ReadOnly);
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        d->engine.evaluate(program, "program", 1);
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        if(d->engine.hasUncaughtException()) {
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                qDebug() << d->engine.uncaughtExceptionLineNumber() << d->engine.uncaughtException().toString()
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                        << d->engine.uncaughtExceptionBacktrace();
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                return false;
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        }
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        // init ruleset
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        d->initItemArray(d->items);
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        return false;
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}
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Item* ScriptedRuleset::getItem(const QString& name) {
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        Q_D(ScriptedRuleset);
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        QStringList parts = name.split('/');
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        QScriptValue value = d->items;
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        foreach(const QString& part, parts) {
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                value = value.property(name);
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        }
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        if(!value.isValid()) return 0;
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        QScriptClass *cls = value.scriptClass();
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        if(cls == d->logineItemClass) {
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                ItemWrapper *wrapper = ItemClass::valueToWrapper(value);
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                if(!wrapper) return 0;
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                return wrapper->item();
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        } else if(cls == d->logineBoardClass) {
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                BoardWrapper *wrapper = BoardClass::valueToWrapper(value);
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                if(!wrapper) return 0;
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                return wrapper->board();
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        }
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        return 0;
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}
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ItemBoard* ScriptedRuleset::getBoard(const QString& name) {
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        Q_D(ScriptedRuleset);
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        QStringList parts = name.split('/');
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        QScriptValue value = d->items;
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        foreach(const QString& part, parts) {
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                value = value.property(name);
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        }
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        if(value.scriptClass() == d->logineBoardClass) {
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                BoardWrapper *wrapper = BoardClass::valueToWrapper(value);
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                if(!wrapper) return 0;
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                return wrapper->board();
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        }
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        return 0;
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}