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Introduce JSON validation

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Support basic validation for JSON files according to the
draft http://tools.ietf.org/html/draft-zyp-json-schema-03.

This is not a complete implementation yet, but it should
already be useful, since "type" verification along with
many of the attributes is done.

Change-Id: I364bc98dd92937c5e2ea9cba7e15ed8e03eb9beb
Reviewed-by: Erik Verbruggen <erik.verbruggen@nokia.com>
This commit is contained in:
Leandro Melo
2012-02-07 15:30:33 +01:00
parent 454e2c3928
commit 26b783ff02
11 changed files with 1738 additions and 11 deletions
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98
src/libs/qmljs/jsoncheck.h Normal file
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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at info@qt.nokia.com.
**
**************************************************************************/
#ifndef JSONCHECK_H
#define JSONCHECK_H
#include "qmljs_global.h"
#include <qmljs/qmljsdocument.h>
#include <qmljs/parser/qmljsast_p.h>
#include <qmljs/parser/qmljsastvisitor_p.h>
#include <qmljs/qmljsstaticanalysismessage.h>
#include <utils/json.h>
#include <QtCore/QString>
#include <QtCore/QSet>
#include <QtCore/QStack>
#include <QtCore/QList>
namespace QmlJS {
class QMLJS_EXPORT JsonCheck : public AST::Visitor
{
public:
JsonCheck(Document::Ptr doc);
virtual ~JsonCheck();
QList<StaticAnalysis::Message> operator()(Utils::JsonSchema *schema);
private:
virtual bool preVisit(AST::Node *);
virtual void postVisit(AST::Node *);
virtual bool visit(AST::ObjectLiteral *ast);
virtual bool visit(AST::ArrayLiteral *ast);
virtual bool visit(AST::NullExpression *ast);
virtual bool visit(AST::TrueLiteral *ast);
virtual bool visit(AST::FalseLiteral *ast);
virtual bool visit(AST::NumericLiteral *ast);
virtual bool visit(AST::StringLiteral *ast);
struct AnalysisData
{
AnalysisData() : m_ranking(0), m_hasMatch(false), m_evaluatinType(false) {}
void boostRanking(int unit = 1) { m_ranking += unit; }
int m_ranking;
bool m_hasMatch;
bool m_evaluatinType;
QList<StaticAnalysis::Message> m_messages;
};
void processSchema(AST::Node *ast);
bool proceedCheck(Utils::JsonValue::Kind kind, const AST::SourceLocation &location);
AnalysisData *analysis();
Document::Ptr m_doc;
AST::SourceLocation m_firstLoc;
Utils::JsonSchema *m_schema;
QStack<AnalysisData> m_analysis;
};
} // QmlJs
#endif // JSONCHECK_H