globexpr.h

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#pragma once

/*
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        A.H. Bril
 Date:          15-1-2001
________________________________________________________________________

*/

#include "basicmod.h"
#include "bufstring.h"

mExpClass(Basic) GlobExpr
{
public:

                        GlobExpr( const char* s = 0, bool casesens=true )
                        : expr_(""), errmsg_(0), ci_(!casesens) { set(s); }
                        GlobExpr( const GlobExpr& ge )
                        : expr_(ge.expr_), errmsg_(0), ci_(ge.ci_) {}
    GlobExpr&           operator=( const GlobExpr& ge )
                        { expr_ = ge.expr_; errmsg_ = 0; 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 (const char*)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);
};