projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 53b2ba57 DM |
1 | /* stringlib: partition implementation */\r |
| 2 | \r | |
| 3 | #ifndef STRINGLIB_PARTITION_H\r | |
| 4 | #define STRINGLIB_PARTITION_H\r | |
| 5 | \r | |
| 6 | #ifndef STRINGLIB_FASTSEARCH_H\r | |
| 7 | #error must include "stringlib/fastsearch.h" before including this module\r | |
| 8 | #endif\r | |
| 9 | \r | |
| 10 | Py_LOCAL_INLINE(PyObject*)\r | |
| 11 | stringlib_partition(PyObject* str_obj,\r | |
| 12 | const STRINGLIB_CHAR* str, Py_ssize_t str_len,\r | |
| 13 | PyObject* sep_obj,\r | |
| 14 | const STRINGLIB_CHAR* sep, Py_ssize_t sep_len)\r | |
| 15 | {\r | |
| 16 | PyObject* out;\r | |
| 17 | Py_ssize_t pos;\r | |
| 18 | \r | |
| 19 | if (sep_len == 0) {\r | |
| 20 | PyErr_SetString(PyExc_ValueError, "empty separator");\r | |
| 21 | return NULL;\r | |
| 22 | }\r | |
| 23 | \r | |
| 24 | out = PyTuple_New(3);\r | |
| 25 | if (!out)\r | |
| 26 | return NULL;\r | |
| 27 | \r | |
| 28 | pos = fastsearch(str, str_len, sep, sep_len, -1, FAST_SEARCH);\r | |
| 29 | \r | |
| 30 | if (pos < 0) {\r | |
| 31 | #if STRINGLIB_MUTABLE\r | |
| 32 | PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(str, str_len));\r | |
| 33 | PyTuple_SET_ITEM(out, 1, STRINGLIB_NEW(NULL, 0));\r | |
| 34 | PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(NULL, 0));\r | |
| 35 | #else\r | |
| 36 | Py_INCREF(str_obj);\r | |
| 37 | PyTuple_SET_ITEM(out, 0, (PyObject*) str_obj);\r | |
| 38 | Py_INCREF(STRINGLIB_EMPTY);\r | |
| 39 | PyTuple_SET_ITEM(out, 1, (PyObject*) STRINGLIB_EMPTY);\r | |
| 40 | Py_INCREF(STRINGLIB_EMPTY);\r | |
| 41 | PyTuple_SET_ITEM(out, 2, (PyObject*) STRINGLIB_EMPTY);\r | |
| 42 | #endif\r | |
| 43 | return out;\r | |
| 44 | }\r | |
| 45 | \r | |
| 46 | PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(str, pos));\r | |
| 47 | Py_INCREF(sep_obj);\r | |
| 48 | PyTuple_SET_ITEM(out, 1, sep_obj);\r | |
| 49 | pos += sep_len;\r | |
| 50 | PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(str + pos, str_len - pos));\r | |
| 51 | \r | |
| 52 | if (PyErr_Occurred()) {\r | |
| 53 | Py_DECREF(out);\r | |
| 54 | return NULL;\r | |
| 55 | }\r | |
| 56 | \r | |
| 57 | return out;\r | |
| 58 | }\r | |
| 59 | \r | |
| 60 | Py_LOCAL_INLINE(PyObject*)\r | |
| 61 | stringlib_rpartition(PyObject* str_obj,\r | |
| 62 | const STRINGLIB_CHAR* str, Py_ssize_t str_len,\r | |
| 63 | PyObject* sep_obj,\r | |
| 64 | const STRINGLIB_CHAR* sep, Py_ssize_t sep_len)\r | |
| 65 | {\r | |
| 66 | PyObject* out;\r | |
| 67 | Py_ssize_t pos;\r | |
| 68 | \r | |
| 69 | if (sep_len == 0) {\r | |
| 70 | PyErr_SetString(PyExc_ValueError, "empty separator");\r | |
| 71 | return NULL;\r | |
| 72 | }\r | |
| 73 | \r | |
| 74 | out = PyTuple_New(3);\r | |
| 75 | if (!out)\r | |
| 76 | return NULL;\r | |
| 77 | \r | |
| 78 | pos = fastsearch(str, str_len, sep, sep_len, -1, FAST_RSEARCH);\r | |
| 79 | \r | |
| 80 | if (pos < 0) {\r | |
| 81 | #if STRINGLIB_MUTABLE\r | |
| 82 | PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(NULL, 0));\r | |
| 83 | PyTuple_SET_ITEM(out, 1, STRINGLIB_NEW(NULL, 0));\r | |
| 84 | PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(str, str_len));\r | |
| 85 | #else\r | |
| 86 | Py_INCREF(STRINGLIB_EMPTY);\r | |
| 87 | PyTuple_SET_ITEM(out, 0, (PyObject*) STRINGLIB_EMPTY);\r | |
| 88 | Py_INCREF(STRINGLIB_EMPTY);\r | |
| 89 | PyTuple_SET_ITEM(out, 1, (PyObject*) STRINGLIB_EMPTY);\r | |
| 90 | Py_INCREF(str_obj);\r | |
| 91 | PyTuple_SET_ITEM(out, 2, (PyObject*) str_obj);\r | |
| 92 | #endif\r | |
| 93 | return out;\r | |
| 94 | }\r | |
| 95 | \r | |
| 96 | PyTuple_SET_ITEM(out, 0, STRINGLIB_NEW(str, pos));\r | |
| 97 | Py_INCREF(sep_obj);\r | |
| 98 | PyTuple_SET_ITEM(out, 1, sep_obj);\r | |
| 99 | pos += sep_len;\r | |
| 100 | PyTuple_SET_ITEM(out, 2, STRINGLIB_NEW(str + pos, str_len - pos));\r | |
| 101 | \r | |
| 102 | if (PyErr_Occurred()) {\r | |
| 103 | Py_DECREF(out);\r | |
| 104 | return NULL;\r | |
| 105 | }\r | |
| 106 | \r | |
| 107 | return out;\r | |
| 108 | }\r | |
| 109 | \r | |
| 110 | #endif\r |