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authorfluxgen <fluxgen>2003-05-18 21:55:16 (GMT)
committerfluxgen <fluxgen>2003-05-18 21:55:16 (GMT)
commitdf3b2a27662167892c922d4dd1714dc748079010 (patch)
tree2e7c36313a80bedea955767f4c88d495b10283cc /src/Resource.hh
parent8f50aca74b35911f0ef45db482e2c5f56043576e (diff)
downloadfluxbox_pavel-df3b2a27662167892c922d4dd1714dc748079010.zip
fluxbox_pavel-df3b2a27662167892c922d4dd1714dc748079010.tar.bz2
moved to FbTk, and change DirHelper to Directory
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1// Resource.hh
2// Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen(at)users.sourceforge.net)
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20// DEALINGS IN THE SOFTWARE.
21
22// $Id: Resource.hh,v 1.12 2003/05/10 13:44:24 fluxgen Exp $
23
24#ifndef RESOURCE_HH
25#define RESOURCE_HH
26
27#include "NotCopyable.hh"
28#include <string>
29#include <list>
30
31/// Base class for resources, this is only used in ResourceManager
32class Resource_base:private FbTk::NotCopyable
33{
34public:
35 virtual ~Resource_base() { };
36
37 /// set from string value
38 virtual void setFromString(char const *strval) = 0;
39 /// set default value
40 virtual void setDefaultValue() = 0;
41 /// get string value
42 virtual std::string getString() = 0;
43 /// get alternative name of this resource
44 inline const std::string& altName() const { return m_altname; }
45 /// get name of this resource
46 inline const std::string& name() const { return m_name; }
47
48protected:
49 Resource_base(const std::string &name, const std::string &altname):
50 m_name(name), m_altname(altname)
51 { }
52
53private:
54 std::string m_name; ///< name of this resource
55 std::string m_altname; ///< alternative name
56};
57
58template <typename T>
59class Resource;
60
61class ResourceManager
62{
63public:
64 typedef std::list<Resource_base *> ResourceList;
65
66 ResourceManager() { }
67 virtual ~ResourceManager() {}
68
69 /// Load all resources registered to this class
70 /// @return true on success
71 virtual bool load(const char *filename);
72
73 /// Save all resouces registered to this class
74 /// @return true on success
75 virtual bool save(const char *filename, const char *mergefilename=0);
76
77 /// Add resource to list, only used in Resource<T>
78 template <class T>
79 void addResource(Resource<T> &r) {
80 m_resourcelist.push_back(&r);
81 m_resourcelist.unique();
82 }
83
84 /// Remove a specific resource, only used in Resource<T>
85 template <class T>
86 void removeResource(Resource<T> &r) {
87 m_resourcelist.remove(&r);
88 }
89
90protected:
91 static void ensureXrmIsInitialize();
92
93private:
94 static bool m_init;
95 ResourceList m_resourcelist;
96};
97
98
99/// Real resource class
100/**
101 * usage: Resource<int> someresource(resourcemanager, 10, "someresourcename", "somealternativename"); \n
102 * and then implement setFromString and getString \n
103 * example: \n
104 * template <> \n
105 * void Resource<int>::setFromString(const char *str) { \n
106 * *(*this) = atoi(str); \n
107 * }
108 */
109template <typename T>
110class Resource:public Resource_base
111{
112public:
113 Resource(ResourceManager &rm, T val,
114 const std::string &name, const std::string &altname):
115 Resource_base(name, altname),
116 m_value(val), m_defaultval(val),
117 m_rm(rm)
118 {
119 m_rm.addResource(*this); // add this to resource handler
120 }
121 virtual ~Resource() {
122 m_rm.removeResource(*this); // remove this from resource handler
123 }
124
125 inline void setDefaultValue() { m_value = m_defaultval; }
126 /// sets resource from string, specialized, must be implemented
127 void setFromString(const char *strval);
128 inline Resource<T>& operator = (const T& newvalue) { m_value = newvalue; return *this;}
129 /// specialized, must be implemented
130 /// @return string value of resource
131 std::string getString();
132
133 inline T& operator*() { return m_value; }
134 inline const T& operator*() const { return m_value; }
135 inline T *operator->() { return &m_value; }
136 inline const T *operator->() const { return &m_value; }
137private:
138 T m_value, m_defaultval;
139 ResourceManager &m_rm;
140};
141
142#endif // RESOURCE_HH