add regular expression support in remember capabilities

see ChangeLog for details

1 files changed, 99 insertions, 0 deletions

diff --git a/src/ClientPattern.hh b/src/ClientPattern.hh
new file mode 100644
index 0000000..00a3127
--- /dev/null
+++ b/src/ClientPattern.hh
@@ -0,0 +1,99 @@
+// ClientPattern.hh for Fluxbox Window Manager
+// Copyright (c) 2002 Xavier Brouckaert
+// Copyright (c) 2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
+//                and Simon Bowden    (rathnor at users.sourceforge.net)
+//
+// 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: ClientPattern.hh,v 1.1 2003/06/12 15:12:19 rathnor Exp $
+
+#ifndef CLIENTPATTERN_HH
+#define CLIENTPATTERN_HH
+
+#include "RegExp.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 {
+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 };
+
+    // does this client match this pattern?
+    bool match(const WinClient &win) const;
+
+    // add an expression to match against
+    // The first argument is a regular expression, the second is the member
+    // function that we wish to match against.
+    // returns false if the regexp wasn't valid
+    bool addTerm(const std::string &str, WinProperty prop);
+
+    inline void addMatch() { ++m_nummatches; }
+    inline void delMatch() { --m_nummatches; }
+
+    inline bool operator == (const WinClient &win) const {
+        return match(win);
+    }
+
+    // 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() { 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 &regstr, bool full_match) :regexp(regstr, full_match){};
+        std::string orig;
+        RegExp regexp;
+        WinProperty prop;
+    };
+
+    // our pattern is made up of a sequence of terms
+    // currently we "and" them all
+    typedef std::list<Term *> Terms;
+
+    Terms m_terms;
+
+    int m_matchlimit, m_nummatches;
+};
+
+#endif // CLIENTPATTERN_HH