globexpr.h

Go to the documentation of this file.

#pragma once
 
/*
________________________________________________________________________
 
 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H. Bril
 Date:          15-1-2001
 RCS:           $Id$
________________________________________________________________________
 
*/
 
#include "basicmod.h"
#include "bufstring.h"
 
mExpClass(Basic) GlobExpr
{
public:
 
                        GlobExpr( const char* s=nullptr, bool casesens=true )
                        : expr_(""), errmsg_(nullptr), ci_(!casesens)
                        { set(s); }
                        GlobExpr( const GlobExpr& ge )
                        : expr_(ge.expr_), errmsg_(nullptr), ci_(ge.ci_) {}
    GlobExpr&           operator=( const GlobExpr& ge )
                        {
                            expr_ = ge.expr_;
                            errmsg_ = nullptr;
                            ci_ = ge.ci_;
                            return *this;
                        }
    bool                operator==( const GlobExpr& ge ) const
                        {
                            return expr_ == ge.expr_ && ci_ == ge.ci_;
                        }
 
    void                setCaseInSensitive( bool yn=true )      { ci_ = yn; }
 
    void                set(const char*);
    inline              operator const char*() const
                        { return expr_; }
 
    inline bool         matches( const char* t ) const
                        { return matches( expr_, t,
                                 const_cast<const char*&>(errmsg_), ci_ ); }
    const char*         expressionFailMessage() const   { return errmsg_; }
 
    static bool         matches(const char* expression,const char* txt,
                                const char*& errmsg_if_expression_is_incorrect,
                                bool caseinsens);
 
protected:
 
    BufferString        expr_;
    const char*         errmsg_;
    bool                ci_;
 
    static bool         starMatches(const char*,const char*,const char*&,bool);
};