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public/stringregistry.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:		A registry of strings and associated ints
+//
+// $Workfile:     $
+// $Date:         $
+//
+//-----------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+
+
+#include <stdio.h>
+#include <string.h>
+#include "stringregistry.h"
+#include "utldict.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#if !defined(_STATIC_LINKED) || defined(CLIENT_DLL)
+
+//-----------------------------------------------------------------------------
+// Purpose: This class wraps the containers that do the actual work
+//-----------------------------------------------------------------------------
+struct StringTable_t : public CUtlDict<int, unsigned short>
+{
+};
+
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Add null terminated string to the string registry 
+// Input  :
+// Output :
+//-----------------------------------------------------------------------------
+unsigned short CStringRegistry::AddString(const char *stringText, int stringID)
+{
+	return m_pStringList->Insert( stringText, stringID );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Given string text get the string ID
+// Input  :	Text of string to find
+// Output : Return string id or -1 if no such string exists
+//-----------------------------------------------------------------------------
+int	CStringRegistry::GetStringID( const char *stringText )
+{
+	unsigned short index = m_pStringList->Find( stringText );
+	if ( m_pStringList->IsValidIndex( index ) )
+	{
+		return (*m_pStringList)[index];
+	}
+
+	return -1;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Given a string ID return the string text
+// Input  : ID of string to find
+// Output : Return string text of NULL of no such ID exists
+//-----------------------------------------------------------------------------
+char const *CStringRegistry::GetStringText( int stringID )
+{
+	for( unsigned short index = m_pStringList->First() ; index != m_pStringList->InvalidIndex(); index = m_pStringList->Next( index ) )
+	{
+		if ( (*m_pStringList)[index] == stringID )
+		{
+			return m_pStringList->GetElementName( index );
+		}
+	}
+
+	return NULL;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Given a key return the string text
+//-----------------------------------------------------------------------------
+char const *CStringRegistry::GetStringForKey( unsigned short key )
+{
+	if ( !m_pStringList->IsValidIndex( key ) )
+		return NULL;
+
+	return m_pStringList->GetElementName( key );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Given a key return the string text
+//-----------------------------------------------------------------------------
+int CStringRegistry::GetIDForKey( unsigned short key )
+{
+	if ( !m_pStringList->IsValidIndex( key ) )
+		return 0;
+
+	return (*m_pStringList)[key];
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Clear all strings from the string registry
+//-----------------------------------------------------------------------------
+void CStringRegistry::ClearStrings(void)
+{
+	m_pStringList->RemoveAll();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor - delete the list of strings and maps
+// Input  :
+// Output :
+//-----------------------------------------------------------------------------
+CStringRegistry::~CStringRegistry(void)
+{
+	delete m_pStringList;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+// Input  :
+// Output :
+//-----------------------------------------------------------------------------
+CStringRegistry::CStringRegistry(void)
+{
+	m_pStringList = new StringTable_t;
+}
+
+
+unsigned short CStringRegistry::First() const
+{
+	return m_pStringList->First();
+}
+
+unsigned short CStringRegistry::Next( unsigned short key ) const
+{
+	return m_pStringList->Next( key );
+}
+
+unsigned short CStringRegistry::InvalidIndex() const
+{
+	return m_pStringList->InvalidIndex();
+}
+
+#endif // _STATIC_LINKED && CLIENT_DLL