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comparison dstep/objc/bridge/TypeEncoding.d @ 16:19885b43130e

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Huge update, the bridge actually works now
author Jacob Carlborg <doob@me.com>
date Sun, 03 Jan 2010 22:06:11 +0100
parents 07194b026fa4
children
comparison
equal deleted inserted replaced
15:7ff919f595d5 16:19885b43130e
12 else 12 else
13 import std.traits; 13 import std.traits;
14 14
15 import dstep.internal.String; 15 import dstep.internal.String;
16 import dstep.internal.Traits; 16 import dstep.internal.Traits;
17 import dstep.objc.bridge.Type;
17 import dstep.objc.objc; 18 import dstep.objc.objc;
18 import dstep.objc.runtime; 19 import dstep.objc.runtime;
19 20
20 /** 21 /**
21 * Creates the encoded (mangled) form of a type for the 22 * Creates the encoded (mangled) form of a type for the
30 { 31 {
31 char[] s; 32 char[] s;
32 33
33 foreach (T ; TL) 34 foreach (T ; TL)
34 { 35 {
35 static if (is (T == id) || is (T == class)) 36 static if (is (T == id) || needsEncapsulation!(T))
36 s ~= _C_ID; 37 s ~= _C_ID;
37 38
38 else static if (is (T == Class)) 39 else static if (is (T == Class))
39 s ~= _C_CLASS; 40 s ~= _C_CLASS;
40 41
109 static assert(isCallableType!(typeof(Callable)), "dstep.objc.bridge.TypeCoding.encodeCallable: The given type is not a callable type"); 110 static assert(isCallableType!(typeof(Callable)), "dstep.objc.bridge.TypeCoding.encodeCallable: The given type is not a callable type");
110 111
111 const encodeCallable = encode!(ReturnTypeOf!(typeof(Callable)), id, SEL, ParameterTupleOf!(typeof(Callable))); 112 const encodeCallable = encode!(ReturnTypeOf!(typeof(Callable)), id, SEL, ParameterTupleOf!(typeof(Callable)));
112 } 113 }
113 114
115 template checkSelector (string selector, ARGS...)
116 {
117 const checkSelector = checkSelectorImpl!(selector, ARGS);
118 }
119
120 private bool checkSelectorImpl (string selector, ARGS...) ()
121 {
122 size_t i = 0;
123
124 foreach (c ; selector)
125 if (c == ':')
126 i++;
127
128 return i == ARGS.length;
129 }
130
114 /** 131 /**
115 * Builds a string representing a selector out of the given function 132 * Builds a string representing a selector out of the given function
116 * 133 *
117 * It will build the string like this: 134 * It will build the string like this:
118 * 135 *
152 result ~= str ~ ':'; 169 result ~= str ~ ':';
153 170
154 return result; 171 return result;
155 } 172 }
156 173
157 /** 174 template decimalDigit (int n) // [3]
158 * Converts the given string representing of a OSType into an integer. 175 {
159 */ 176 const string decimalDigit = "0123456789"[n .. n + 1];
177 }
178
179 template itoa (long n)
180 {
181 static if (n < 0)
182 const string itoa = "-" ~ itoa!(-n);
183
184 else static if (n < 10)
185 const string itoa = decimalDigit!(n);
186
187 else
188 const string itoa = itoa!(n / 10L) ~ decimalDigit!(n % 10L);
189 }
190
191
192 /// Converts the given string representing an OSType into an integer.
160 template getOSType (string osType) 193 template getOSType (string osType)
161 { 194 {
195 static assert(osType.length == 4, `dstep.objc.bridge.TypeEncoding.getOSType: The length of the given string, "` ~ osType ~ `", is not four`);
162 const getOSType = (cast(int)osType[0]) << 24 | (cast(int)osType[1]) << 16 | (cast(int)osType[2]) << 8 | (cast(int)osType[3]); 196 const getOSType = (cast(int)osType[0]) << 24 | (cast(int)osType[1]) << 16 | (cast(int)osType[2]) << 8 | (cast(int)osType[3]);
163 } 197 }