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Diffstat (limited to 'q3radiant/splines/util_list.h')
| -rwxr-xr-x | q3radiant/splines/util_list.h | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/q3radiant/splines/util_list.h b/q3radiant/splines/util_list.h new file mode 100755 index 0000000..4f93244 --- /dev/null +++ b/q3radiant/splines/util_list.h @@ -0,0 +1,346 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. + +This file is part of Quake III Arena source code. + +Quake III Arena source code is free software; you can redistribute it +and/or modify it under the terms of the GNU General Public License as +published by the Free Software Foundation; either version 2 of the License, +or (at your option) any later version. + +Quake III Arena source code is distributed in the hope that it will be +useful, but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with Foobar; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ +#ifndef __UTIL_LIST_H__
+#define __UTIL_LIST_H__
+
+#include <stdlib.h>
+#include <assert.h>
+
+template< class type >
+class idList {
+private:
+ int m_num;
+ int m_size;
+ int m_granularity;
+ type *m_list;
+
+public:
+ idList( int granularity = 16 );
+ ~idList<type>();
+ void Clear( void );
+ int Num( void );
+ void SetNum( int num );
+ void SetGranularity( int granularity );
+ void Condense( void );
+ int Size( void );
+ void Resize( int size );
+ type operator[]( int index ) const;
+ type &operator[]( int index );
+ int Append( type const & obj );
+ int AddUnique( type const & obj );
+ type *Find( type const & obj, int *index = NULL );
+ bool RemoveIndex( int index );
+ bool Remove( type const & obj );
+ typedef int cmp_t(const void *, const void *);
+ void Sort( cmp_t *compare );
+};
+
+/*
+================
+idList<type>::idList( int )
+================
+*/
+template< class type >
+inline idList<type>::idList( int granularity ) {
+ assert( granularity > 0 );
+
+ m_list = NULL;
+ m_granularity = granularity;
+ Clear();
+}
+
+/*
+================
+idList<type>::~idList<type>
+================
+*/
+template< class type >
+inline idList<type>::~idList() {
+ Clear();
+}
+
+/*
+================
+idList<type>::Clear
+================
+*/
+template< class type >
+inline void idList<type>::Clear( void ) {
+ if ( m_list ) {
+ delete[] m_list;
+ }
+
+ m_list = NULL;
+ m_num = 0;
+ m_size = 0;
+}
+
+/*
+================
+idList<type>::Num
+================
+*/
+template< class type >
+inline int idList<type>::Num( void ) {
+ return m_num;
+}
+
+/*
+================
+idList<type>::SetNum
+================
+*/
+template< class type >
+inline void idList<type>::SetNum( int num ) {
+ assert( num >= 0 );
+ if ( num > m_size ) {
+ // resize it up to the closest level of granularity
+ Resize( ( ( num + m_granularity - 1 ) / m_granularity ) * m_granularity );
+ }
+ m_num = num;
+}
+
+/*
+================
+idList<type>::SetGranularity
+================
+*/
+template< class type >
+inline void idList<type>::SetGranularity( int granularity ) {
+ int newsize;
+
+ assert( granularity > 0 );
+ m_granularity = granularity;
+
+ if ( m_list ) {
+ // resize it to the closest level of granularity
+ newsize = ( ( m_num + m_granularity - 1 ) / m_granularity ) * m_granularity;
+ if ( newsize != m_size ) {
+ Resize( newsize );
+ }
+ }
+}
+
+/*
+================
+idList<type>::Condense
+
+Resizes the array to exactly the number of elements it contains
+================
+*/
+template< class type >
+inline void idList<type>::Condense( void ) {
+ if ( m_list ) {
+ if ( m_num ) {
+ Resize( m_num );
+ } else {
+ Clear();
+ }
+ }
+}
+
+/*
+================
+idList<type>::Size
+================
+*/
+template< class type >
+inline int idList<type>::Size( void ) {
+ return m_size;
+}
+
+/*
+================
+idList<type>::Resize
+================
+*/
+template< class type >
+inline void idList<type>::Resize( int size ) {
+ type *temp;
+ int i;
+
+ assert( size > 0 );
+
+ if ( size <= 0 ) {
+ Clear();
+ return;
+ }
+
+ temp = m_list;
+ m_size = size;
+ if ( m_size < m_num ) {
+ m_num = m_size;
+ }
+
+ m_list = new type[ m_size ];
+ for( i = 0; i < m_num; i++ ) {
+ m_list[ i ] = temp[ i ];
+ }
+
+ if ( temp ) {
+ delete[] temp;
+ }
+}
+
+/*
+================
+idList<type>::operator[] const
+================
+*/
+template< class type >
+inline type idList<type>::operator[]( int index ) const {
+ assert( index >= 0 );
+ assert( index < m_num );
+
+ return m_list[ index ];
+}
+
+/*
+================
+idList<type>::operator[]
+================
+*/
+template< class type >
+inline type &idList<type>::operator[]( int index ) {
+ assert( index >= 0 );
+ assert( index < m_num );
+
+ return m_list[ index ];
+}
+
+/*
+================
+idList<type>::Append
+================
+*/
+template< class type >
+inline int idList<type>::Append( type const & obj ) {
+ if ( !m_list ) {
+ Resize( m_granularity );
+ }
+
+ if ( m_num == m_size ) {
+ Resize( m_size + m_granularity );
+ }
+
+ m_list[ m_num ] = obj;
+ m_num++;
+
+ return m_num - 1;
+}
+
+/*
+================
+idList<type>::AddUnique
+================
+*/
+template< class type >
+inline int idList<type>::AddUnique( type const & obj ) {
+ int index;
+
+ if ( !Find( obj, &index ) ) {
+ index = Append( obj );
+ }
+
+ return index;
+}
+
+/*
+================
+idList<type>::Find
+================
+*/
+template< class type >
+inline type *idList<type>::Find( type const & obj, int *index ) {
+ int i;
+
+ for( i = 0; i < m_num; i++ ) {
+ if ( m_list[ i ] == obj ) {
+ if ( index ) {
+ *index = i;
+ }
+ return &m_list[ i ];
+ }
+ }
+
+ return NULL;
+}
+
+/*
+================
+idList<type>::RemoveIndex
+================
+*/
+template< class type >
+inline bool idList<type>::RemoveIndex( int index ) {
+ int i;
+
+ if ( !m_list || !m_num ) {
+ return false;
+ }
+
+ assert( index >= 0 );
+ assert( index < m_num );
+
+ if ( ( index < 0 ) || ( index >= m_num ) ) {
+ return false;
+ }
+
+ m_num--;
+ for( i = index; i < m_num; i++ ) {
+ m_list[ i ] = m_list[ i + 1 ];
+ }
+
+ return true;
+}
+
+/*
+================
+idList<type>::Remove
+================
+*/
+template< class type >
+inline bool idList<type>::Remove( type const & obj ) {
+ int index;
+
+ if ( Find( obj, &index ) ) {
+ return RemoveIndex( index );
+ }
+
+ return false;
+}
+
+/*
+================
+idList<type>::Sort
+================
+*/
+template< class type >
+inline void idList<type>::Sort( cmp_t *compare ) {
+ if ( !m_list ) {
+ return;
+ }
+
+ qsort( ( void * )m_list, ( size_t )m_num, sizeof( type ), compare );
+}
+
+#endif /* !__UTIL_LIST_H__ */
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