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// ClientPattern.hh for Fluxbox Window Manager
// Copyright (c) 2003 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org)
// and Simon Bowden (rathnor at users.sourceforge.net)
// Copyright (c) 2002 Xavier Brouckaert
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id$
#ifndef CLIENTPATTERN_HH
#define CLIENTPATTERN_HH
#include "RegExp.hh"
#include "NotCopyable.hh"
#include <string>
#include <list>
class WinClient;
/**
* This class represents a "pattern" that we can match against a
* Window based on various properties.
*/
class ClientPattern:private FbTk::NotCopyable {
public:
ClientPattern();
/**
* Create the pattern from the given string as it would appear in the
* apps file. the bool value returns the character at which
* there was a parse problem, or -1.
*/
explicit ClientPattern(const char * str);
~ClientPattern();
/// @return a string representation of this pattern
std::string toString() const;
enum WinProperty { TITLE, CLASS, NAME, ROLE };
/// Does this client match this pattern?
bool match(const WinClient &win) const;
/**
* Add an expression to match against
* @param str is a regular expression
* @param prop is the member function that we wish to match against
* @return false if the regexp wasn't valid
*/
bool addTerm(const std::string &str, WinProperty prop);
inline void addMatch() { ++m_nummatches; }
inline bool operator == (const WinClient &win) const {
return match(win);
}
// whether this pattern has identical matching criteria
bool equals(const ClientPattern &pat) const;
/**
* If there are no terms, then there is assumed to be an error
* the column of the error is stored in m_matchlimit
*/
inline int error() const { return m_terms.empty() ? m_matchlimit : 0; }
std::string getProperty(WinProperty prop, const WinClient &winclient) const;
private:
/**
* This is the type of the actual pattern we want to match against
* We have a "term" in the whole expression which is the full pattern
* we also need to keep track of the uncompiled regular expression
* for final output
*/
struct Term {
Term(const std::string ®str, bool full_match) :regexp(regstr, full_match){};
std::string orig;
RegExp regexp;
WinProperty prop;
};
typedef std::list<Term *> Terms;
Terms m_terms; ///< our pattern is made up of a sequence of terms currently we "and" them all
int m_matchlimit, m_nummatches;
};
#endif // CLIENTPATTERN_HH
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