Initial Commit

common/LIBRARY.HPP

@@ -0,0 +1,104 @@
+#ifndef _COMMON_LIBRARY_HPP_
+#define _COMMON_LIBRARY_HPP_
+#ifndef _COMMON_WINDOWS_HPP_
+#include <common/windows.hpp>
+#endif
+#ifndef _COMMON_STRING_HPP_
+#include <common/string.hpp>
+#endif
+
+class Library
+{
+public:
+  Library(void);
+	Library(const String &strPathLibrary);
+	virtual ~Library();
+	Library &operator=(const String &strPathLibrary);
+	FARPROC procAddress(const String &strMethod)const;
+	BOOL procIn(const String &strMethod)const;
+	String strPathLibrary(void)const;
+	HINSTANCE getInstance(void)const;
+	BOOL isOkay(void)const;
+private:
+  enum {MaxString=256};
+  void load(const String &strPathLibrary);
+	void free(void);
+	HINSTANCE mhInstance;
+	String mStrPathLibrary;
+};
+
+inline
+Library::Library(void)
+: mhInstance(0)
+{
+  mStrPathLibrary.reserve(MaxString);
+}
+
+inline
+Library::Library(const String &strPathLibrary)
+: mhInstance(0)
+{
+  load(strPathLibrary);
+}
+
+inline
+Library::~Library()
+{
+  free();
+}
+
+inline
+Library &Library::operator=(const String &strPathLibrary)
+{
+  load(strPathLibrary);
+	return *this;
+}
+
+inline
+FARPROC Library::procAddress(const String &strMethod)const
+{
+  if(!isOkay())return FALSE;
+	return ::GetProcAddress(mhInstance,strMethod);
+}
+
+inline
+BOOL Library::procIn(const String &strMethod)const
+{
+  return procAddress(strMethod)?TRUE:FALSE;;
+}
+
+inline
+void Library::load(const String &strPathLibrary)
+{
+  free();
+	mhInstance=::LoadLibrary(strPathLibrary);
+	if(isOkay())::GetModuleFileName(mhInstance,mStrPathLibrary,MaxString);
+}
+
+inline
+void Library::free(void)
+{
+  if(!isOkay())return;
+	::FreeLibrary(mhInstance);
+	mhInstance=0;
+}
+
+inline
+String Library::strPathLibrary(void)const
+{
+  if(!isOkay())return String();
+	return mStrPathLibrary;
+}
+
+inline
+HINSTANCE Library::getInstance(void)const
+{
+  return mhInstance;
+}
+
+inline
+BOOL Library::isOkay(void)const
+{
+  return (mhInstance<HINSTANCE(HINSTANCE_ERROR)?FALSE:TRUE);
+}
+#endif