lib/Resource.hh

   1 // -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
   2 // Resource.hh for Blackbox - an X11 Window manager
   3 // Copyright (c) 2001 - 2005 Sean 'Shaleh' Perry <shaleh@debian.org>
   4 // Copyright (c) 1997 - 2000, 2002 - 2005
   5 //         Bradley T Hughes <bhughes at trolltech.com>
   6 //
   7 // Permission is hereby granted, free of charge, to any person obtaining a
   8 // copy of this software and associated documentation files (the "Software"),
   9 // to deal in the Software without restriction, including without limitation
  10 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11 // and/or sell copies of the Software, and to permit persons to whom the
  12 // Software is furnished to do so, subject to the following conditions:
  13 //
  14 // The above copyright notice and this permission notice shall be included in
  15 // all copies or substantial portions of the Software.
  16 //
  17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20 // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23 // DEALINGS IN THE SOFTWARE.
  24
  25 #ifndef __Resource_hh
  26 #define __Resource_hh
  27
  28 #include <string>
  29
  30 // forward declaration
  31 typedef struct _XrmHashBucketRec *XrmDatabase;
  32
  33
  34 namespace bt {
  35
  36   inline const char* boolAsString(bool b)
  37   { return (b) ? "True" : "False"; }
  38
  39   class Resource {
  40   public:
  41     Resource(void);
  42     explicit Resource(const std::string &filename);
  43     ~Resource(void);
  44
  45     inline bool valid(void) const
  46     { return db != NULL; }
  47
  48     void load(const std::string &filename);
  49     void save(const std::string &filename);
  50     void merge(const std::string &filename);
  51
  52     std::string read(const char* name,
  53                      const char* classname,
  54                      const char* default_value = "") const;
  55     std::string read(const std::string &name,
  56                      const std::string &classname,
  57                      const std::string &default_value = std::string()) const;
  58
  59     int read(const char* name, const char* classname,
  60              int default_value) const;
  61     unsigned int read(const char* name, const char* classname,
  62                       unsigned int default_value) const;
  63
  64     long read(const char* name, const char* classname,
  65               long default_value) const;
  66     unsigned long read(const char* name, const char* classname,
  67                        unsigned long default_value) const;
  68
  69     bool read(const char* name, const char* classname,
  70               bool default_value) const;
  71
  72     double read(const char* name, const char* classname,
  73                 double default_value) const;
  74
  75     void write(const char *resource, const std::string &value);
  76     void write(const char* resource, const char* value);
  77     void write(const char* resource, int value);
  78     void write(const char* resource, unsigned int value);
  79     void write(const char* resource, long value);
  80     void write(const char* resource, unsigned long value);
  81     void write(const char* resource, bool value);
  82     void write(const char* resource, double value);
  83
  84   private:
  85     XrmDatabase db;
  86   };
  87
  88 } // namespace bt
  89
  90 #endif // __Resource_hh