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comparison src/luan/modules/Utils.java @ 1420:225808b90cee

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options handling
author Franklin Schmidt <fschmidt@gmail.com>
date Sat, 26 Oct 2019 22:21:09 -0600
parents 002152af497a
children 471ef3e6a84e
comparison
equal deleted inserted replaced
1419:59fd2e8b1b9d 1420:225808b90cee
95 copyAll(in,out); 95 copyAll(in,out);
96 return out.toByteArray(); 96 return out.toByteArray();
97 } 97 }
98 98
99 99
100 public static String removeString(Map map,String key) throws LuanException { 100 public static String removeString(LuanTable options,String key) throws LuanException {
101 Object val = map.remove(key); 101 Object val = options.remove(key);
102 if( val!=null && !(val instanceof String) ) 102 if( val!=null && !(val instanceof String) )
103 throw new LuanException( "parameter '"+key+"' must be a string but is a "+Luan.type(val) ); 103 throw new LuanException( "parameter '"+key+"' must be a string but is a "+Luan.type(val) );
104 return (String)val; 104 return (String)val;
105 } 105 }
106 106
107 public static String removeRequiredString(Map map,String key) throws LuanException { 107 public static String removeRequiredString(LuanTable options,String key) throws LuanException {
108 String s = removeString(map,key); 108 String s = removeString(options,key);
109 if( s==null ) 109 if( s==null )
110 throw new LuanException( "parameter '"+key+"' is required" ); 110 throw new LuanException( "parameter '"+key+"' is required" );
111 return s; 111 return s;
112 } 112 }
113 113
114 public static Number removeNumber(Map map,String key) throws LuanException { 114 public static Number removeNumber(LuanTable options,String key) throws LuanException {
115 Object val = map.remove(key); 115 Object val = options.remove(key);
116 if( val!=null && !(val instanceof Number) ) 116 if( val!=null && !(val instanceof Number) )
117 throw new LuanException( "parameter '"+key+"' must be a string but is a "+Luan.type(val) ); 117 throw new LuanException( "parameter '"+key+"' must be a string but is a "+Luan.type(val) );
118 return (Number)val; 118 return (Number)val;
119 } 119 }
120 120
121 public static Integer removeInteger(Map map,String key) throws LuanException { 121 public static Integer removeInteger(LuanTable options,String key) throws LuanException {
122 Object val = map.remove(key); 122 Object val = options.remove(key);
123 if( val==null ) 123 if( val==null )
124 return null; 124 return null;
125 Integer i = Luan.asInteger(val); 125 Integer i = Luan.asInteger(val);
126 if( i==null ) { 126 if( i==null ) {
127 String type = val instanceof Number ? val.getClass().getSimpleName().toLowerCase() : Luan.type(val); 127 String type = val instanceof Number ? val.getClass().getSimpleName().toLowerCase() : Luan.type(val);
128 throw new LuanException( "parameter '"+key+"' must be an integer but is a "+type ); 128 throw new LuanException( "parameter '"+key+"' must be an integer but is a "+type );
129 } 129 }
130 return i; 130 return i;
131 } 131 }
132 132
133 public static LuanTable removeTable(Map map,String key) throws LuanException { 133 public static LuanTable removeTable(LuanTable options,String key) throws LuanException {
134 Object val = map.remove(key); 134 Object val = options.remove(key);
135 if( val!=null && !(val instanceof LuanTable) ) 135 if( val!=null && !(val instanceof LuanTable) )
136 throw new LuanException( "parameter '"+key+"' must be a table but is a "+Luan.type(val) ); 136 throw new LuanException( "parameter '"+key+"' must be a table but is a "+Luan.type(val) );
137 return (LuanTable)val; 137 return (LuanTable)val;
138 } 138 }
139 139
140 public static Boolean removeBoolean(Map map,String key) throws LuanException { 140 public static Boolean removeBoolean(LuanTable options,String key) throws LuanException {
141 Object val = map.remove(key); 141 Object val = options.remove(key);
142 if( val!=null && !(val instanceof Boolean) ) 142 if( val!=null && !(val instanceof Boolean) )
143 throw new LuanException( "parameter '"+key+"' must be a string but is a "+Luan.type(val) ); 143 throw new LuanException( "parameter '"+key+"' must be a string but is a "+Luan.type(val) );
144 return (Boolean)val; 144 return (Boolean)val;
145 } 145 }
146 146
147 public static LuanFunction removeFunction(Map map,String key) throws LuanException { 147 public static LuanFunction removeFunction(LuanTable options,String key) throws LuanException {
148 Object val = map.remove(key); 148 Object val = options.remove(key);
149 if( val!=null && !(val instanceof LuanFunction) ) 149 if( val!=null && !(val instanceof LuanFunction) )
150 throw new LuanException( "parameter '"+key+"' must be a function but is a "+Luan.type(val) ); 150 throw new LuanException( "parameter '"+key+"' must be a function but is a "+Luan.type(val) );
151 return (LuanFunction)val; 151 return (LuanFunction)val;
152 } 152 }
153 153
154 public static LuanFunction removeRequiredFunction(Map map,String key) throws LuanException { 154 public static LuanFunction removeRequiredFunction(LuanTable options,String key) throws LuanException {
155 LuanFunction fn = removeFunction(map,key); 155 LuanFunction fn = removeFunction(options,key);
156 if( fn==null ) 156 if( fn==null )
157 throw new LuanException( "parameter '"+key+"' is required" ); 157 throw new LuanException( "parameter '"+key+"' is required" );
158 return fn; 158 return fn;
159 } 159 }
160 160
161 public static void checkEmpty(Map map) throws LuanException { 161 public static void checkEmpty(LuanTable options) throws LuanException {
162 if( !map.isEmpty() ) 162 if( !options.isEmpty() )
163 throw new LuanException( "unrecognized options: "+map ); 163 throw new LuanException( "unrecognized options: "+options.asMap() );
164 } 164 }
165 165
166 } 166 }