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authorfluxgen <fluxgen>2002-01-18 00:47:33 (GMT)
committerfluxgen <fluxgen>2002-01-18 00:47:33 (GMT)
commit5d72cb458406fc42f7ee68d8f8dbdf99d6f9a192 (patch)
tree60783e5381495907c00a8ca3ba074a1429dfd5b5
parent34f9c5e44685a56baf66b38dda30bc062548cc66 (diff)
downloadfluxbox_lack-5d72cb458406fc42f7ee68d8f8dbdf99d6f9a192.zip
fluxbox_lack-5d72cb458406fc42f7ee68d8f8dbdf99d6f9a192.tar.bz2
added Resource.cc/.hh
-rw-r--r--src/Resource.cc116
-rw-r--r--src/Resource.hh107
2 files changed, 223 insertions, 0 deletions
diff --git a/src/Resource.cc b/src/Resource.cc
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1// Resource.cc
2// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
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#include "Resource.hh"
23#include "XrmDatabaseHelper.hh"
24
25#include <iostream>
26#include <cassert>
27
28using namespace std;
29
30bool ResourceManager::m_init = false;
31
32//-------- load -----------
33// loads a resourcefile
34// returns true on success
35// else false
36//-------------------------
37bool ResourceManager::load(const char *filename) {
38 assert(filename);
39
40 ensureXrmIsInitialize();
41
42 XrmDatabaseHelper database;
43 database = XrmGetFileDatabase(filename);
44 if (database==0)
45 return false;
46
47 XrmValue value;
48 char *value_type;
49
50 //get list and go throu all the resources and load them
51 ResourceList::iterator i = m_resourcelist.begin();
52 ResourceList::iterator i_end = m_resourcelist.end();
53 for (; i != i_end; ++i) {
54
55 Resource_base *resource = *i;
56 if (XrmGetResource(*database, resource->getName().c_str(),
57 resource->getAltName().c_str(), &value_type, &value))
58 resource->setFromString(value.addr);
59 else {
60 cerr<<"Faild to read: "<<resource->getName()<<endl;
61 cerr<<"Setting default value"<<endl;
62 resource->setDefaultValue();
63 }
64 }
65
66 return true;
67}
68
69//-------------- save -----------------
70// Saves all the resource to a file
71// returns 0 on success
72// else negative value representing
73// the error
74//-------------------------------------
75bool ResourceManager::save(const char *filename, const char *mergefilename) {
76 assert(filename);
77
78 ensureXrmIsInitialize();
79
80 XrmDatabaseHelper database;
81
82 string rc_string;
83 ResourceList::iterator i = m_resourcelist.begin();
84 ResourceList::iterator i_end = m_resourcelist.end();
85 //write all resources to database
86 for (; i != i_end; ++i) {
87 Resource_base *resource = *i;
88 rc_string = resource->getName() + string(": ") + resource->getString();
89 XrmPutLineResource(&*database, rc_string.c_str());
90 }
91
92 if (database==0)
93 return false;
94
95 //check if we want to merge a database
96 if (mergefilename) {
97 XrmDatabaseHelper olddatabase(mergefilename);
98 if (olddatabase == 0)
99 return false;
100
101 XrmMergeDatabases(*database, &*olddatabase);
102 XrmPutFileDatabase(*olddatabase, filename); //save database to file
103 *database=0; //don't try to destroy the database
104 } else //save database to file
105 XrmPutFileDatabase(*database, filename);
106
107 return true;
108}
109
110void ResourceManager::ensureXrmIsInitialize() {
111 if (!m_init) {
112 XrmInitialize();
113 m_init = true;
114 }
115}
116
diff --git a/src/Resource.hh b/src/Resource.hh
new file mode 100644
index 0000000..38bea30
--- /dev/null
+++ b/src/Resource.hh
@@ -0,0 +1,107 @@
1// Resource.hh
2// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
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#ifndef _RESOURCE_HH_
23#define _RESOURCE_HH_
24
25#include "NotCopyable.hh"
26#include <string>
27#include <list>
28
29class Resource_base:private NotCopyable
30{
31public:
32
33 virtual void setFromString(char const *strval)=0;
34 virtual void setDefaultValue()=0;
35
36 virtual std::string getString()=0;
37 inline std::string& getAltName() { return m_altname; }
38 inline std::string& getName() { return m_name; }
39
40protected:
41 Resource_base(const std::string &name, const std::string &altname):
42 m_name(name), m_altname(altname)
43 {
44
45 }
46 virtual ~Resource_base(){ };
47private:
48 std::string m_name, m_altname;
49};
50
51class ResourceManager;
52
53template <typename T>
54class Resource:public Resource_base
55{
56public:
57 Resource(ResourceManager &rm, T val,
58 const std::string &name, const std::string &altname):
59 Resource_base(name, altname),
60 m_value(val), m_defaultval(val),
61 m_rm(rm)
62 {
63 m_rm.addResource(*this);
64 }
65 ~Resource() {
66 m_rm.removeResource(*this);
67 }
68
69 inline void setDefaultValue() { m_value = m_defaultval; }
70 void setFromString(const char *strval);
71 inline Resource<T>& operator = (const T& newvalue) { m_value = newvalue; return *this;}
72
73 std::string getString();
74 inline T& operator*(void) { return m_value; }
75 inline T *operator->(void) { return &m_value; }
76private:
77 T m_value, m_defaultval;
78 ResourceManager &m_rm;
79};
80
81class ResourceManager
82{
83public:
84 typedef std::list<Resource_base *> ResourceList;
85
86 ResourceManager(){ }
87
88 bool load(const char *filename);
89 bool save(const char *filename, const char *mergefilename=0);
90 template <class T>
91 void addResource(Resource<T> &r) {
92 m_resourcelist.push_back(&r);
93 m_resourcelist.unique();
94 }
95 template <class T>
96 void removeResource(Resource<T> &r) {
97 m_resourcelist.remove(&r);
98 }
99private:
100 static inline void ensureXrmIsInitialize();
101 static bool m_init;
102 ResourceList m_resourcelist;
103
104};
105
106
107#endif //_RESOURCE_HH_