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| 1 /* ----------------------------------------------------------------------------- |
| 2 * See the LICENSE file for information on copyright, usage and redistribution |
| 3 * of SWIG, and the README file for authors - http://www.swig.org/release.html. |
| 4 * |
| 5 * carrays.i |
| 6 * |
| 7 * SWIG library file containing macros that can be used to manipulate simple |
| 8 * pointers as arrays. |
| 9 * -----------------------------------------------------------------------------
*/ |
| 10 |
| 11 /* ----------------------------------------------------------------------------- |
| 12 * %array_functions(TYPE,NAME) |
| 13 * |
| 14 * Generates functions for creating and accessing elements of a C array |
| 15 * (as pointers). Creates the following functions: |
| 16 * |
| 17 * TYPE *new_NAME(int nelements) |
| 18 * void delete_NAME(TYPE *); |
| 19 * TYPE NAME_getitem(TYPE *, int index); |
| 20 * void NAME_setitem(TYPE *, int index, TYPE value); |
| 21 * |
| 22 * -----------------------------------------------------------------------------
*/ |
| 23 |
| 24 %define %array_functions(TYPE,NAME) |
| 25 %{ |
| 26 static TYPE *new_##NAME(int nelements) { %} |
| 27 #ifdef __cplusplus |
| 28 %{ return new TYPE[nelements]; %} |
| 29 #else |
| 30 %{ return (TYPE *) calloc(nelements,sizeof(TYPE)); %} |
| 31 #endif |
| 32 %{} |
| 33 |
| 34 static void delete_##NAME(TYPE *ary) { %} |
| 35 #ifdef __cplusplus |
| 36 %{ delete [] ary; %} |
| 37 #else |
| 38 %{ free(ary); %} |
| 39 #endif |
| 40 %{} |
| 41 |
| 42 static TYPE NAME##_getitem(TYPE *ary, int index) { |
| 43 return ary[index]; |
| 44 } |
| 45 static void NAME##_setitem(TYPE *ary, int index, TYPE value) { |
| 46 ary[index] = value; |
| 47 } |
| 48 %} |
| 49 |
| 50 TYPE *new_##NAME(int nelements); |
| 51 void delete_##NAME(TYPE *ary); |
| 52 TYPE NAME##_getitem(TYPE *ary, int index); |
| 53 void NAME##_setitem(TYPE *ary, int index, TYPE value); |
| 54 |
| 55 %enddef |
| 56 |
| 57 |
| 58 /* ----------------------------------------------------------------------------- |
| 59 * %array_class(TYPE,NAME) |
| 60 * |
| 61 * Generates a class wrapper around a C array. The class has the following |
| 62 * interface: |
| 63 * |
| 64 * struct NAME { |
| 65 * NAME(int nelements); |
| 66 * ~NAME(); |
| 67 * TYPE getitem(int index); |
| 68 * void setitem(int index, TYPE value); |
| 69 * TYPE * cast(); |
| 70 * static NAME *frompointer(TYPE *t); |
| 71 * } |
| 72 * |
| 73 * -----------------------------------------------------------------------------
*/ |
| 74 |
| 75 %define %array_class(TYPE,NAME) |
| 76 %{ |
| 77 typedef TYPE NAME; |
| 78 %} |
| 79 typedef struct NAME { |
| 80 /* Put language specific enhancements here */ |
| 81 |
| 82 } NAME; |
| 83 |
| 84 %extend NAME { |
| 85 |
| 86 #ifdef __cplusplus |
| 87 NAME(int nelements) { |
| 88 return new TYPE[nelements]; |
| 89 } |
| 90 ~NAME() { |
| 91 delete [] self; |
| 92 } |
| 93 #else |
| 94 NAME(int nelements) { |
| 95 return (TYPE *) calloc(nelements,sizeof(TYPE)); |
| 96 } |
| 97 ~NAME() { |
| 98 free(self); |
| 99 } |
| 100 #endif |
| 101 |
| 102 TYPE getitem(int index) { |
| 103 return self[index]; |
| 104 } |
| 105 void setitem(int index, TYPE value) { |
| 106 self[index] = value; |
| 107 } |
| 108 TYPE * cast() { |
| 109 return self; |
| 110 } |
| 111 static NAME *frompointer(TYPE *t) { |
| 112 return (NAME *) t; |
| 113 } |
| 114 |
| 115 }; |
| 116 |
| 117 %types(NAME = TYPE); |
| 118 |
| 119 %enddef |
| 120 |
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