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/****************************************************************************
**
** Copyright (C) 2006-2009 fullmetalcoder <fullmetalcoder@hotmail.fr>
**
** This file is part of the Edyuk project <http://edyuk.org>
**
** This file may be used under the terms of the GNU General Public License
** version 3 as published by the Free Software Foundation and appearing in the
** file GPL.txt included in the packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#ifndef _QNFA_DEFINITION_H_
#define _QNFA_DEFINITION_H_
/*!
\file qnfadefinition.h
\brief Definition of the QNFADefinition class.
*/
#include "qlanguagefactory.h"
#include "qlanguagedefinition.h"
#include <QHash>
#include <QPointer>
#include <QStringList>
struct QNFA;
struct QParenthesis;
class QFile;
class QDomDocument;
class QNFAAction
{
public:
enum
{
NoAction = 0,
FormatMask = 0x00000fff,
ParenMask = 0x00fff000,
Highlight = 0x01000000,
Indent = 0x02000000,
ParenOpen = 0x04000000,
ParenClose = 0x08000000,
MatchParen = 0x10000000,
Fold = 0x20000000,
Ambiguous = 0x40000000,
Content = 0x80000000
};
inline static int format(int id)
{ return id & FormatMask; }
inline static int parenthesis(int id)
{ return id & ParenMask; }
};
class QCE_EXPORT QNFADefinition : public QLanguageDefinition
{
public:
QNFADefinition();
virtual ~QNFADefinition();
virtual QString language() const;
virtual QStringList extensions() const;
virtual int tokenize(QDocument *d, int line, int count);
virtual QString singleLineComment() const;
virtual QString defaultLineMark() const;
virtual int parenthesisWeight(int id) const;
virtual const QStringList& openingParenthesis() const;
//virtual const QHash<int, QString> & closingParenthesis() const;
virtual QString getClosingParenthesis(const QString& opening) const;
virtual bool possibleEndingOfOpeningParenthesis(const QString& text) const;
virtual void clearMatches(QDocument *d);
virtual void match(QDocumentCursor& c);
virtual QList<QList<QDocumentCursor> > getMatches(const QDocumentCursor& c) const;
virtual QDocumentCursor getNextMismatch(const QDocumentCursor& scope) const;
virtual QString indent(const QDocumentCursor& c, int* indentCount);
virtual bool unindent (const QDocumentCursor& c, const QString& ktxt);
virtual void expand(QDocument *d, int line);
virtual void collapse(QDocument *d, int line);
void fold(QDocument *d, int line, bool expand);
virtual bool correctFolding(QDocument *d);
static void load(QFile *f, QLanguageFactory::LangData *d, QFormatScheme *s);
static void load(const QString& file, QLanguageFactory::LangData *d, QFormatScheme *s);
static void load(const QDomDocument& doc, QLanguageFactory::LangData *d, QFormatScheme *s);
static void addContext(const QString& id, QNFA *nfa);
static void addEmbedRequest(const QString& lang, QNFA *dest);
static void shareEmbedRequests(QNFA *src, QNFA *dest, int offset);
static QString getContextName(QNFA* cxt){
return m_contexts.key(cxt);
}
private:
bool m_indentFold;
QString m_language,
m_defaultMark,
m_singleLineComment;
QStringList m_extensions;
QNFA *m_root;
QHash<QPointer<QDocument>, int> m_matchGroups;
static QHash<QString, int> m_paren;
static QHash<int, int> m_parenWeight;
static QHash<QString, QNFA*> m_contexts;
static QHash<QString, int> m_openingParenthesis;
static QHash<int, QString> m_closingParenthesis;
QStringList m_openingParenthesisList;
bool m_openingParenthesisEnd[256];
struct PMatch
{
PMatch() : type(Invalid)
{
line[0] = -1;
line[1] = -1;
column[0] = -1;
column[1] = -1;
length[0] = 0;
length[1] = 0;
weight[0] = weight[1] = 0;
}
enum Type
{
Invalid,
Match,
Mismatch
};
char type;
int line[2];
int column[2];
int length[2];
int weight[2];
};
virtual void getPMatches(const QDocumentCursor& c, QList<PMatch>& matches) const;
void matchOpen(QDocument *d, PMatch& m) const;
void matchClose(QDocument *d, PMatch& m) const;
static void flushEmbedRequests(const QString& lang);
struct EmbedRequest
{
inline EmbedRequest(QNFA *nfa, int idx) : index(idx), target(nfa) {}
int index;
QNFA *target;
};
typedef QList<EmbedRequest> EmbedRequestList;
static QHash<QString, EmbedRequestList> m_pendingEmbeds;
};
#endif // !_QNFA_DEFINITION_H_
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