| 1 | |
| 2 | /* ------------------------------------------------------------ |
| 3 | * utility methods for char strings |
| 4 | * ------------------------------------------------------------ */ |
| 5 | |
| 6 | %types(char *); |
| 7 | %fragment("SWIG_AsCharPtrAndSize","header") { |
| 8 | /* returns SWIG_OLDOBJ if the input is a raw char*, SWIG_PYSTR if is a PyString */ |
| 9 | SWIGINTERN int |
| 10 | SWIG_AsCharPtrAndSize(PyObject *obj, char** cptr, size_t* psize) |
| 11 | { |
| 12 | static swig_type_info* pchar_info = 0; |
| 13 | char* vptr = 0; |
| 14 | if (!pchar_info) pchar_info = SWIG_TypeQuery("char *"); |
| 15 | if (SWIG_ConvertPtr(obj, (void**)&vptr, pchar_info, 0) != -1) { |
| 16 | if (cptr) *cptr = vptr; |
| 17 | if (psize) *psize = vptr ? (strlen(vptr) + 1) : 0; |
| 18 | return SWIG_OLDOBJ; |
| 19 | } else { |
| 20 | PyErr_Clear(); |
| 21 | if (PyString_Check(obj)) { |
| 22 | if (cptr) { |
| 23 | *cptr = PyString_AS_STRING(obj); |
| 24 | if (psize) { |
| 25 | *psize = PyString_GET_SIZE(obj) + 1; |
| 26 | } |
| 27 | } |
| 28 | return SWIG_PYSTR; |
| 29 | } |
| 30 | } |
| 31 | if (cptr) { |
| 32 | SWIG_type_error("char *", obj); |
| 33 | } |
| 34 | return 0; |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | %fragment("SWIG_AsCharPtr","header", |
| 39 | fragment="SWIG_AsCharPtrAndSize") { |
| 40 | SWIGINTERNINLINE int |
| 41 | SWIG_AsCharPtr(PyObject *obj, char **val) |
| 42 | { |
| 43 | if (SWIG_AsCharPtrAndSize(obj, val, (size_t*)(0))) { |
| 44 | return 1; |
| 45 | } |
| 46 | if (val) { |
| 47 | PyErr_Clear(); |
| 48 | SWIG_type_error("char *", obj); |
| 49 | } |
| 50 | return 0; |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | %fragment("SWIG_FromCharPtr","header") { |
| 55 | SWIGINTERN PyObject * |
| 56 | SWIG_FromCharPtr(const char* cptr) |
| 57 | { |
| 58 | if (cptr) { |
| 59 | size_t size = strlen(cptr); |
| 60 | if (size > INT_MAX) { |
| 61 | return SWIG_NewPointerObj(SWIG_const_cast(cptr,char*), |
| 62 | SWIG_TypeQuery("char *"), 0); |
| 63 | } else { |
| 64 | if (size != 0) { |
| 65 | return PyString_FromStringAndSize(cptr, size); |
| 66 | } else { |
| 67 | return PyString_FromString(cptr); |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | Py_INCREF(Py_None); |
| 72 | return Py_None; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | %fragment("SWIG_AsNewCharPtr","header", |
| 77 | fragment="SWIG_AsCharPtrAndSize") { |
| 78 | SWIGINTERN int |
| 79 | SWIG_AsNewCharPtr(PyObject *obj, char **val) |
| 80 | { |
| 81 | char* cptr = 0; size_t csize = 0; |
| 82 | int res = SWIG_AsCharPtrAndSize(obj, &cptr, &csize); |
| 83 | if (res) { |
| 84 | if (val) { |
| 85 | if (csize) { |
| 86 | *val = SWIG_new_array(csize, char); |
| 87 | memcpy(*val, cptr, --csize); |
| 88 | (*val)[csize] = 0; |
| 89 | } else if (cptr) { |
| 90 | *val = SWIG_new_array(1, char); |
| 91 | (*val)[0] = 0; |
| 92 | } else { |
| 93 | *val = 0; |
| 94 | } |
| 95 | } |
| 96 | return SWIG_NEWOBJ; |
| 97 | } |
| 98 | if (val) { |
| 99 | SWIG_type_error("char *", obj); |
| 100 | } |
| 101 | return 0; |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | %fragment("SWIG_AsCharArray","header", |
| 106 | fragment="SWIG_AsCharPtrAndSize") { |
| 107 | SWIGINTERN int |
| 108 | SWIG_AsCharArray(PyObject *obj, char *val, size_t size) |
| 109 | { |
| 110 | char* cptr; size_t csize; |
| 111 | if (SWIG_AsCharPtrAndSize(obj, &cptr, &csize)) { |
| 112 | /* in C you can do: |
| 113 | |
| 114 | char x[5] = "hello"; |
| 115 | |
| 116 | ie, assing the array using an extra '0' char. |
| 117 | */ |
| 118 | if ((csize == size + 1) && !(cptr[csize-1])) --csize; |
| 119 | if (csize <= size) { |
| 120 | if (val) { |
| 121 | if (csize) memcpy(val, cptr, csize); |
| 122 | if (csize < size) memset(val + csize, 0, size - csize); |
| 123 | } |
| 124 | return 1; |
| 125 | } |
| 126 | } |
| 127 | if (val) { |
| 128 | PyErr_Format(PyExc_TypeError, |
| 129 | "a char array of maximum size %lu is expected", |
| 130 | (unsigned long) size); |
| 131 | } |
| 132 | return 0; |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | %fragment("SWIG_FromCharArray","header") { |
| 137 | SWIGINTERNINLINE PyObject * |
| 138 | SWIG_FromCharArray(const char* carray, size_t size) |
| 139 | { |
| 140 | if (size > INT_MAX) { |
| 141 | return SWIG_NewPointerObj(SWIG_const_cast(carray,char *), |
| 142 | SWIG_TypeQuery("char *"), 0); |
| 143 | } else { |
| 144 | return PyString_FromStringAndSize(carray, SWIG_numeric_cast(size,int)); |
| 145 | } |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | /* ------------------------------------------------------------ |
| 150 | * The plain char * handling |
| 151 | * ------------------------------------------------------------ */ |
| 152 | |
| 153 | %typemap_pystring(char, |
| 154 | SWIG_AsCharPtr, |
| 155 | SWIG_AsCharPtrAndSize, |
| 156 | SWIG_FromCharPtr, |
| 157 | SWIG_AsNewCharPtr, |
| 158 | SWIG_AsCharArray, |
| 159 | SWIG_FromCharArray) |