001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019package lucee.runtime.interpreter.ref.literal; 020 021import lucee.runtime.PageContext; 022import lucee.runtime.exp.PageException; 023import lucee.runtime.interpreter.ref.Ref; 024import lucee.runtime.interpreter.ref.util.RefUtil; 025import lucee.runtime.op.Caster; 026 027/** 028 * Literal Number 029 */ 030public final class LNumber implements Literal { 031 032 public static final LNumber ZERO = new LNumber(new Double(0)); 033 public static final LNumber ONE = new LNumber(new Double(1)); 034 035 036 037 private Object literal; 038 039 /** 040 * constructor of the class 041 * @param literal 042 */ 043 public LNumber(Double literal) { 044 this.literal=literal; 045 } 046 047 /** 048 * constructor of the class 049 * @param literal 050 * @throws PageException 051 */ 052 public LNumber(String literal) throws PageException { 053 this.literal=Caster.toDouble(literal); 054 // in theory this filter (>10) makes not really sense, just better for performance!!! 055 if(literal.length()>10) { 056 if(!Caster.toString(this.literal).equals(literal)) 057 this.literal=literal; 058 } 059 } 060 061 @Override 062 public Object getValue(PageContext pc) { 063 return literal; 064 } 065 066 @Override 067 public Object getCollection(PageContext pc) { 068 return getValue(pc); 069 } 070 071 @Override 072 public String getTypeName() { 073 return "number"; 074 } 075 076 @Override 077 public Object touchValue(PageContext pc) { 078 return getValue(pc); 079 } 080 081 @Override 082 public String getString(PageContext pc) { 083 return toString(); 084 } 085 086 @Override 087 public String toString() { 088 return literal instanceof String?(String)literal:Caster.toString((Double)literal); 089 } 090 091 @Override 092 public boolean eeq(PageContext pc,Ref other) throws PageException { 093 if(other instanceof LNumber){ 094 if(literal instanceof Double) { 095 // Double|Double 096 if(((LNumber)other).literal instanceof Double) { 097 return ((Double)literal).doubleValue()==((Double)((LNumber)other).literal).doubleValue(); 098 } 099 // Double|String 100 return Caster.toString(((Double)literal).doubleValue()).equals(((LNumber)other).literal); 101 } 102 // String|Double 103 if(((LNumber)other).literal instanceof Double) { 104 return ((String)literal).equals(Caster.toString(((Double)((LNumber)other).literal).doubleValue())); 105 } 106 // String|String 107 return ((String)literal).equals((((LNumber)other).literal)); 108 109 } 110 return RefUtil.eeq(pc,this,other); 111 } 112}