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b/src/utils/strmatcher.h |
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/* Copyright (C) 2012 J.F.Dockes
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _STRMATCHER_H_INCLUDED_
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#define _STRMATCHER_H_INCLUDED_
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#include <string>
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// Encapsulating simple wildcard/regexp string matching.
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// Matcher class. Interface to either wildcard or regexp yes/no matcher
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class StrMatcher {
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public:
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StrMatcher(const std::string& exp)
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: m_sexp(exp)
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{
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}
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virtual ~StrMatcher() {};
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virtual bool match(const std::string &val) const = 0;
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virtual std::string::size_type baseprefixlen() const = 0;
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virtual bool setExp(const std::string& newexp)
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{
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m_sexp = newexp;
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return true;
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}
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virtual bool ok() const
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{
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return true;
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}
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virtual const std::string& exp()
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{
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return m_sexp;
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}
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virtual StrMatcher *clone() = 0;
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const string& getreason()
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{
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return m_reason;
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}
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protected:
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std::string m_sexp;
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std::string m_reason;
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};
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class StrWildMatcher : public StrMatcher {
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public:
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StrWildMatcher(const std::string& exp)
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: StrMatcher(exp)
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{
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}
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virtual ~StrWildMatcher()
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{
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}
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virtual bool match(const std::string& val) const;
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virtual std::string::size_type baseprefixlen() const;
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virtual StrWildMatcher *clone()
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{
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return new StrWildMatcher(m_sexp);
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}
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};
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class StrRegexpMatcher : public StrMatcher {
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public:
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StrRegexpMatcher(const std::string& exp);
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virtual bool setExp(const std::string& newexp);
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virtual ~StrRegexpMatcher();
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virtual bool match(const std::string& val) const;
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virtual std::string::size_type baseprefixlen() const;
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virtual bool ok() const;
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virtual StrRegexpMatcher *clone()
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{
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return new StrRegexpMatcher(m_sexp);
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}
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const string& getreason()
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{
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return m_reason;
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}
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private:
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void *m_compiled;
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bool m_errcode;
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};
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#endif /* _STRMATCHER_H_INCLUDED_ */
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