Mercurial > projects > dwt2
view base/src/java/util/HashMap.d @ 77:af948d4bbf8c
Impls for core.jobs
author | Frank Benoit <benoit@tionex.de> |
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date | Mon, 13 Apr 2009 13:58:00 +0200 |
parents | 0b015f5925d8 |
children | 9f4c18c268b2 |
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module java.util.HashMap; import java.lang.all; import java.util.Map; import java.util.Collection; import java.util.Set; import java.util.HashSet; import java.util.ArrayList; version(Tango){ static import tango.util.container.HashMap; } else { // Phobos } private struct ObjRef { Object obj; static ObjRef opCall( Object obj ){ ObjRef res; res.obj = obj; return res; } public hash_t toHash(){ return obj is null ? 0 : obj.toHash(); } public equals_t opEquals( ObjRef other ){ return obj is null ? other.obj is null : obj.opEquals( other.obj ); } public equals_t opEquals( Object other ){ return obj is null ? other is null : obj.opEquals( other ); } } class HashMap : Map { // The HashMap class is roughly equivalent to Hashtable, except that it is unsynchronized and permits nulls. version(Tango){ alias tango.util.container.HashMap.HashMap!(ObjRef,ObjRef) MapType; private MapType map; } else { // Phobos } public this(){ version(Tango){ map = new MapType(); } else { // Phobos implMissing( __FILE__, __LINE__ ); } } public this(int initialCapacity){ this(); } public this(int initialCapacity, float loadFactor){ version(Tango){ map = new MapType(loadFactor); } else { // Phobos implMissing( __FILE__, __LINE__ ); } } public this(Map m){ this(); putAll(m); } public void clear(){ version(Tango){ map.clear(); } else { // Phobos implMissing( __FILE__, __LINE__ ); } } public bool containsKey(Object key){ version(Tango){ ObjRef v; ObjRef keyr = ObjRef(key); return map.get(keyr, v ); } else { // Phobos implMissing( __FILE__, __LINE__ ); return false; } } public bool containsKey(String key){ return containsKey(stringcast(key)); } public bool containsValue(Object value){ version(Tango){ ObjRef valuer = ObjRef(value); return map.contains(valuer); } else { // Phobos implMissing( __FILE__, __LINE__ ); return false; } } public Set entrySet(){ version(Tango){ HashSet res = new HashSet(); foreach( k, v; map ){ res.add( new MapEntry(this,k.obj)); } return res; } else { // Phobos implMissing( __FILE__, __LINE__ ); return null; } } public override equals_t opEquals(Object o){ version(Tango){ if( auto other = cast(HashMap) o ){ if( other.size() !is size() ){ return false; } foreach( k, v; map ){ auto vo = other.get(k.obj); if( v != vo ){ return false; } } return true; } return false; } else { // Phobos implMissing( __FILE__, __LINE__ ); return false; } } public Object get(Object key){ version(Tango){ ObjRef keyr = ObjRef(key); if( auto v = keyr in map ){ return (*v).obj; } return null; } else { // Phobos implMissing( __FILE__, __LINE__ ); return null; } } public Object get(String key){ return get(stringcast(key)); } public override hash_t toHash(){ return super.toHash(); } public bool isEmpty(){ version(Tango){ return map.isEmpty(); } else { // Phobos implMissing( __FILE__, __LINE__ ); return false; } } public Set keySet(){ version(Tango){ HashSet res = new HashSet(); foreach( k, v; map ){ res.add(k.obj); } return res; } else { // Phobos implMissing( __FILE__, __LINE__ ); return null; } } public Object put(Object key, Object value){ version(Tango){ ObjRef valuer = ObjRef(value); ObjRef keyr = ObjRef(key); Object res = null; if( auto vold = keyr in map ){ res = (*vold).obj; } map[ keyr ] = valuer; return res; } else { // Phobos implMissing( __FILE__, __LINE__ ); return null; } } public Object put(String key, Object value){ return put( stringcast(key), value ); } public Object put(Object key, String value){ return put( key, stringcast(value) ); } public Object put(String key, String value){ return put( stringcast(key), stringcast(value) ); } public void putAll(Map t){ version(Tango){ foreach( k, v; t ){ map[ObjRef(k)] = ObjRef(v); } } else { // Phobos implMissing( __FILE__, __LINE__ ); } } public Object remove(Object key){ version(Tango){ ObjRef keyr = ObjRef(key); if( auto v = keyr in map ){ Object res = (*v).obj; map.removeKey(keyr); return res; } return null; } else { // Phobos implMissing( __FILE__, __LINE__ ); return null; } } public Object remove(String key){ return remove(stringcast(key)); } public int size(){ version(Tango){ return map.size(); } else { // Phobos implMissing( __FILE__, __LINE__ ); return 0; } } public Collection values(){ version(Tango){ ArrayList res = new ArrayList( size() ); foreach( k, v; map ){ res.add( v.obj ); } return res; } else { // Phobos implMissing( __FILE__, __LINE__ ); return null; } } public int opApply (int delegate(ref Object value) dg){ version(Tango){ int ldg( ref ObjRef or ){ return dg( or.obj ); } return map.opApply( &ldg ); } else { // Phobos implMissing( __FILE__, __LINE__ ); return 0; } } public int opApply (int delegate(ref Object key, ref Object value) dg){ version(Tango){ int ldg( ref ObjRef key, ref ObjRef value ){ return dg( key.obj, value.obj ); } return map.opApply( &ldg ); } else { // Phobos implMissing( __FILE__, __LINE__ ); return 0; } } }