325 lines
8.7 KiB
C++
325 lines
8.7 KiB
C++
//====== Copyright © 1996-2005, Valve Corporation, All rights reserved. =======//
|
|
//
|
|
// Purpose: A dictionary mapping from symbol to structure
|
|
//
|
|
// $Header: $
|
|
// $NoKeywords: $
|
|
//=============================================================================//
|
|
|
|
#ifndef UTLDICT_H
|
|
#define UTLDICT_H
|
|
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
#include "tier0/dbg.h"
|
|
#include "tier1/utlmap.h"
|
|
|
|
// Include this because tons of code was implicitly getting utlsymbol or utlvector via utldict.h
|
|
#include "tier1/utlsymbol.h"
|
|
|
|
#include "tier0/memdbgon.h"
|
|
|
|
enum EDictCompareType
|
|
{
|
|
k_eDictCompareTypeCaseSensitive=0,
|
|
k_eDictCompareTypeCaseInsensitive=1,
|
|
k_eDictCompareTypeFilenames // Slashes and backslashes count as the same character..
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// A dictionary mapping from symbol to structure
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I = int >
|
|
class CUtlDict
|
|
{
|
|
public:
|
|
// constructor, destructor
|
|
// Left at growSize = 0, the memory will first allocate 1 element and double in size
|
|
// at each increment.
|
|
CUtlDict( int compareType = k_eDictCompareTypeCaseInsensitive, int growSize = 0, int initSize = 0 );
|
|
~CUtlDict( );
|
|
|
|
void EnsureCapacity( int );
|
|
|
|
// gets particular elements
|
|
T& Element( I i );
|
|
const T& Element( I i ) const;
|
|
T& operator[]( I i );
|
|
const T& operator[]( I i ) const;
|
|
|
|
// gets element names
|
|
char *GetElementName( I i );
|
|
char const *GetElementName( I i ) const;
|
|
|
|
void SetElementName( I i, char const *pName );
|
|
|
|
// Number of elements
|
|
unsigned int Count() const;
|
|
|
|
// Checks if a node is valid and in the tree
|
|
bool IsValidIndex( I i ) const;
|
|
|
|
// Invalid index
|
|
static I InvalidIndex();
|
|
|
|
// Insert method (inserts in order)
|
|
I Insert( const char *pName, const T &element );
|
|
I Insert( const char *pName );
|
|
|
|
// Find method
|
|
I Find( const char *pName ) const;
|
|
|
|
// Remove methods
|
|
void RemoveAt( I i );
|
|
void Remove( const char *pName );
|
|
void RemoveAll( );
|
|
|
|
// Purge memory
|
|
void Purge();
|
|
void PurgeAndDeleteElements(); // Call delete on each element.
|
|
|
|
// Iteration methods
|
|
I First() const;
|
|
I Next( I i ) const;
|
|
|
|
// Nested typedefs, for code that might need
|
|
// to fish out the index type from a given dict
|
|
typedef I IndexType_t;
|
|
|
|
protected:
|
|
typedef CUtlMap<const char *, T, I> DictElementMap_t;
|
|
DictElementMap_t m_Elements;
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// constructor, destructor
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I>
|
|
CUtlDict<T, I>::CUtlDict( int compareType, int growSize, int initSize ) : m_Elements( growSize, initSize )
|
|
{
|
|
if ( compareType == k_eDictCompareTypeFilenames )
|
|
{
|
|
m_Elements.SetLessFunc( CaselessStringLessThanIgnoreSlashes );
|
|
}
|
|
else if ( compareType == k_eDictCompareTypeCaseInsensitive )
|
|
{
|
|
m_Elements.SetLessFunc( CaselessStringLessThan );
|
|
}
|
|
else
|
|
{
|
|
m_Elements.SetLessFunc( StringLessThan );
|
|
}
|
|
}
|
|
|
|
template <class T, class I>
|
|
CUtlDict<T, I>::~CUtlDict()
|
|
{
|
|
Purge();
|
|
}
|
|
|
|
template <class T, class I>
|
|
inline void CUtlDict<T, I>::EnsureCapacity( int num )
|
|
{
|
|
return m_Elements.EnsureCapacity( num );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// gets particular elements
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I>
|
|
inline T& CUtlDict<T, I>::Element( I i )
|
|
{
|
|
return m_Elements[i];
|
|
}
|
|
|
|
template <class T, class I>
|
|
inline const T& CUtlDict<T, I>::Element( I i ) const
|
|
{
|
|
return m_Elements[i];
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// gets element names
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I>
|
|
inline char *CUtlDict<T, I>::GetElementName( I i )
|
|
{
|
|
return (char *)m_Elements.Key( i );
|
|
}
|
|
|
|
template <class T, class I>
|
|
inline char const *CUtlDict<T, I>::GetElementName( I i ) const
|
|
{
|
|
return m_Elements.Key( i );
|
|
}
|
|
|
|
template <class T, class I>
|
|
inline T& CUtlDict<T, I>::operator[]( I i )
|
|
{
|
|
return Element(i);
|
|
}
|
|
|
|
template <class T, class I>
|
|
inline const T & CUtlDict<T, I>::operator[]( I i ) const
|
|
{
|
|
return Element(i);
|
|
}
|
|
|
|
template <class T, class I>
|
|
inline void CUtlDict<T, I>::SetElementName( I i, char const *pName )
|
|
{
|
|
MEM_ALLOC_CREDIT_CLASS();
|
|
// TODO: This makes a copy of the old element
|
|
// TODO: This relies on the rb tree putting the most recently
|
|
// removed element at the head of the insert list
|
|
free( (void *)m_Elements.Key( i ) );
|
|
m_Elements.Reinsert( strdup( pName ), i );
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Num elements
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I>
|
|
inline unsigned int CUtlDict<T, I>::Count() const
|
|
{
|
|
return m_Elements.Count();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Checks if a node is valid and in the tree
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I>
|
|
inline bool CUtlDict<T, I>::IsValidIndex( I i ) const
|
|
{
|
|
return m_Elements.IsValidIndex(i);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Invalid index
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I>
|
|
inline I CUtlDict<T, I>::InvalidIndex()
|
|
{
|
|
return DictElementMap_t::InvalidIndex();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Delete a node from the tree
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I>
|
|
void CUtlDict<T, I>::RemoveAt(I elem)
|
|
{
|
|
free( (void *)m_Elements.Key( elem ) );
|
|
m_Elements.RemoveAt(elem);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// remove a node in the tree
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I> void CUtlDict<T, I>::Remove( const char *search )
|
|
{
|
|
I node = Find( search );
|
|
if (node != InvalidIndex())
|
|
{
|
|
RemoveAt(node);
|
|
}
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Removes all nodes from the tree
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I>
|
|
void CUtlDict<T, I>::RemoveAll()
|
|
{
|
|
typename DictElementMap_t::IndexType_t index = m_Elements.FirstInorder();
|
|
while ( index != m_Elements.InvalidIndex() )
|
|
{
|
|
free( (void *)m_Elements.Key( index ) );
|
|
index = m_Elements.NextInorder( index );
|
|
}
|
|
|
|
m_Elements.RemoveAll();
|
|
}
|
|
|
|
template <class T, class I>
|
|
void CUtlDict<T, I>::Purge()
|
|
{
|
|
RemoveAll();
|
|
}
|
|
|
|
|
|
template <class T, class I>
|
|
void CUtlDict<T, I>::PurgeAndDeleteElements()
|
|
{
|
|
// Delete all the elements.
|
|
I index = m_Elements.FirstInorder();
|
|
while ( index != m_Elements.InvalidIndex() )
|
|
{
|
|
free( (void *)m_Elements.Key( index ) );
|
|
delete m_Elements[index];
|
|
index = m_Elements.NextInorder( index );
|
|
}
|
|
|
|
m_Elements.RemoveAll();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// inserts a node into the tree
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I>
|
|
I CUtlDict<T, I>::Insert( const char *pName, const T &element )
|
|
{
|
|
MEM_ALLOC_CREDIT_CLASS();
|
|
return m_Elements.Insert( strdup( pName ), element );
|
|
}
|
|
|
|
template <class T, class I>
|
|
I CUtlDict<T, I>::Insert( const char *pName )
|
|
{
|
|
MEM_ALLOC_CREDIT_CLASS();
|
|
return m_Elements.Insert( strdup( pName ) );
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// finds a node in the tree
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I>
|
|
I CUtlDict<T, I>::Find( const char *pName ) const
|
|
{
|
|
MEM_ALLOC_CREDIT_CLASS();
|
|
if ( pName )
|
|
return m_Elements.Find( pName );
|
|
else
|
|
return InvalidIndex();
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Iteration methods
|
|
//-----------------------------------------------------------------------------
|
|
template <class T, class I>
|
|
I CUtlDict<T, I>::First() const
|
|
{
|
|
return m_Elements.FirstInorder();
|
|
}
|
|
|
|
template <class T, class I>
|
|
I CUtlDict<T, I>::Next( I i ) const
|
|
{
|
|
return m_Elements.NextInorder(i);
|
|
}
|
|
|
|
#include "tier0/memdbgoff.h"
|
|
|
|
#endif // UTLDICT_H
|