moved Resource to FbTk and change name of DirHelper to FbTk Directory

1 files changed, 147 insertions, 0 deletions

diff --git a/src/FbTk/Resource.hh b/src/FbTk/Resource.hh
new file mode 100644
index 0000000..4471225
--- /dev/null
+++ b/src/FbTk/Resource.hh
@@ -0,0 +1,147 @@
+// Resource.hh
+// Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen(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: Resource.hh,v 1.1 2003/05/18 22:06:59 fluxgen Exp $
+
+#ifndef FBTK_RESOURCE_HH
+#define FBTK_RESOURCE_HH
+
+#include "NotCopyable.hh"
+
+#include <string>
+#include <list>
+
+namespace FbTk {
+
+/// Base class for resources, this is only used in ResourceManager
+class Resource_base:private FbTk::NotCopyable
+{
+public:
+    virtual ~Resource_base() { };       
+        
+    /// set from string value
+    virtual void setFromString(char const *strval) = 0;
+    /// set default value
+    virtual void setDefaultValue() = 0;
+    /// get string value
+    virtual std::string getString() = 0;
+    /// get alternative name of this resource
+    inline const std::string& altName() const { return m_altname; }
+    /// get name of this resource
+    inline const std::string& name() const { return m_name; }
+
+protected:      
+    Resource_base(const std::string &name, const std::string &altname):
+        m_name(name), m_altname(altname)
+        { }
+
+private:
+    std::string m_name; ///< name of this resource
+    std::string m_altname; ///< alternative name 
+};
+
+template <typename T>
+class Resource;
+
+class ResourceManager
+{
+public:
+    typedef std::list<Resource_base *> ResourceList;
+
+    ResourceManager() { }
+    virtual ~ResourceManager() {}
+
+    /// Load all resources registered to this class
+    /// @return true on success
+    virtual bool load(const char *filename);
+
+    /// Save all resouces registered to this class
+    /// @return true on success
+    virtual bool save(const char *filename, const char *mergefilename=0);
+
+    /// Add resource to list, only used in Resource<T>
+    template <class T>
+    void addResource(Resource<T> &r) {
+        m_resourcelist.push_back(&r);
+        m_resourcelist.unique();
+    }
+
+    /// Remove a specific resource, only used in Resource<T>
+    template <class T>
+    void removeResource(Resource<T> &r) {
+        m_resourcelist.remove(&r);
+    }
+
+protected:
+    static void ensureXrmIsInitialize();
+
+private:
+    static bool m_init;
+    ResourceList m_resourcelist;
+};
+
+
+/// Real resource class
+/**
+ * usage: Resource<int> someresource(resourcemanager, 10, "someresourcename", "somealternativename"); \n
+ * and then implement setFromString and getString \n
+ * example: \n
+ * template <> \n
+ * void Resource<int>::setFromString(const char *str) { \n
+ *   *(*this) = atoi(str); \n
+ * }
+ */
+template <typename T>
+class Resource:public Resource_base
+{
+public: 
+    Resource(ResourceManager &rm, T val, 
+             const std::string &name, const std::string &altname):
+        Resource_base(name, altname),
+        m_value(val), m_defaultval(val),
+        m_rm(rm)
+        {
+            m_rm.addResource(*this); // add this to resource handler
+        }
+    virtual ~Resource() {
+        m_rm.removeResource(*this); // remove this from resource handler
+    }
+
+    inline void setDefaultValue() {  m_value = m_defaultval; }
+    /// sets resource from string, specialized, must be implemented
+    void setFromString(const char *strval);
+    inline Resource<T>& operator = (const T& newvalue) { m_value = newvalue;  return *this;}
+    /// specialized, must be implemented
+    /// @return string value of resource
+    std::string getString();
+
+    inline T& operator*() { return m_value; }
+    inline const T& operator*() const { return m_value; }
+    inline T *operator->() { return &m_value; }
+    inline const T *operator->() const { return &m_value; }
+private:
+    T m_value, m_defaultval;
+    ResourceManager &m_rm;
+};
+
+}; // end namespace FbTk
+
+#endif // FBTK_RESOURCE_HH