| 1 | /* |
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| 2 | * Copyright: 2006 Brian Harring <ferringb@gmail.com> |
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| 3 | * License: GPL2 |
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| 4 | * |
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| 5 | * C version of cpv class for speed. |
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| 6 | */ |
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| 7 | |
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| 8 | /* This does not really do anything since we do not use the "#" |
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| 9 | * specifier in a PyArg_Parse or similar call, but hey, not using it |
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| 10 | * means we are Py_ssize_t-clean too! |
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| 11 | */ |
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| 12 | |
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| 13 | #define PY_SSIZE_T_CLEAN |
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| 14 | |
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| 15 | #include "common.h" |
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| 16 | #include <structmember.h> |
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| 17 | #include <string.h> |
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| 18 | |
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| 19 | |
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| 20 | // dev-util/diffball-cvs.2006.0_alpha1_alpha2 |
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| 21 | // dev-util/diffball |
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| 22 | |
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| 23 | #define ISDIGIT(c) ('0' <= (c) && '9' >= (c)) |
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| 24 | #define ISALPHA(c) (('a' <= (c) && 'z' >= (c)) || ('A' <= (c) && 'Z' >= (c))) |
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| 25 | #define ISLOWER(c) ('a' <= (c) && 'z' >= (c)) |
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| 26 | #define ISALNUM(c) (ISALPHA(c) || ISDIGIT(c)) |
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| 27 | |
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| 28 | typedef enum { SUF_ALPHA=0, SUF_BETA, SUF_PRE, SUF_RC, SUF_NORM, SUF_P } |
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| 29 | version_suffixes; |
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| 30 | const char * const version_suffixes_str[] = \ |
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| 31 | {"alpha", "beta", "pre", "rc", "", "p", NULL}; |
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| 32 | |
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| 33 | struct suffix_ver { |
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| 34 | const char *str; |
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| 35 | int str_len; |
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| 36 | long val; |
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| 37 | }; |
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| 38 | |
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| 39 | static struct suffix_ver pkgcore_ebuild_suffixes[] = { |
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| 40 | {"alpha", 5, 0}, |
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| 41 | {"beta", 4, 1}, |
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| 42 | {"pre", 3, 2}, |
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| 43 | {"rc", 2, 3}, |
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| 44 | // note we skipped 4. 4 is the default. |
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| 45 | {"p", 1, 5}, |
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| 46 | {NULL, 0, 6}, |
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| 47 | }; |
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| 48 | |
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| 49 | static const unsigned long pkgcore_ebuild_default_suffixes[] = {4, 0}; |
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| 50 | #define PKGCORE_EBUILD_SUFFIX_DEFAULT_SUF 4 |
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| 51 | #define PKGCORE_EBUILD_SUFFIX_DEFAULT_VAL 0 |
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| 52 | |
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| 53 | typedef struct { |
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| 54 | PyObject_HEAD |
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| 55 | PyObject *category; |
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| 56 | PyObject *package; |
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| 57 | PyObject *key; |
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| 58 | PyObject *fullver; |
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| 59 | PyObject *version; |
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| 60 | PyObject *revision; |
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| 61 | unsigned long *suffixes; |
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| 62 | long hash_val; |
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| 63 | int cvs; |
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| 64 | } pkgcore_cpv; |
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| 65 | |
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| 66 | static PyObject *pkgcore_InvalidCPV_Exc = NULL; |
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| 67 | |
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| 68 | |
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| 69 | static int |
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| 70 | pkgcore_cpv_set_cpvstr(pkgcore_cpv *self, PyObject *v, void *closure) |
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| 71 | { |
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| 72 | PyErr_SetString(PyExc_AttributeError, "cpvstr is immutable"); |
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| 73 | return -1; |
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| 74 | } |
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| 75 | |
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| 76 | static PyObject * |
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| 77 | pkgcore_cpv_get_cpvstr(pkgcore_cpv *self, void *closure) |
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| 78 | { |
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| 79 | if (!self->category || !self->package) { |
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| 80 | Py_RETURN_NONE; |
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| 81 | } |
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| 82 | if (!self->fullver) { |
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| 83 | return PyString_FromFormat("%s/%s", |
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| 84 | PyString_AsString(self->category), |
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| 85 | PyString_AsString(self->package)); |
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| 86 | } |
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| 87 | return PyString_FromFormat("%s/%s-%s", |
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| 88 | PyString_AsString(self->category), |
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| 89 | PyString_AsString(self->package), |
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| 90 | PyString_AsString(self->fullver)); |
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| 91 | } |
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| 92 | |
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| 93 | |
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| 94 | static PyGetSetDef pkgcore_cpv_getsetters[] = { |
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| 95 | PKGCORE_GETSET(pkgcore_cpv, "cpvstr", cpvstr), |
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| 96 | {NULL} |
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| 97 | }; |
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| 98 | |
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| 99 | static PyMemberDef pkgcore_cpv_members[] = { |
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| 100 | {"category", T_OBJECT, offsetof(pkgcore_cpv, category), READONLY}, |
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| 101 | {"package", T_OBJECT, offsetof(pkgcore_cpv, package), READONLY}, |
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| 102 | {"key", T_OBJECT, offsetof(pkgcore_cpv, key), READONLY}, |
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| 103 | {"fullver", T_OBJECT, offsetof(pkgcore_cpv, fullver), READONLY}, |
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| 104 | {"version", T_OBJECT, offsetof(pkgcore_cpv, version), READONLY}, |
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| 105 | {"revision", T_OBJECT, offsetof(pkgcore_cpv, revision), READONLY}, |
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| 106 | {NULL} |
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| 107 | }; |
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| 108 | |
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| 109 | static char * |
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| 110 | pkgcore_cpv_parse_category(const char *start, int null_is_end) |
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| 111 | { |
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| 112 | char *p = (char *)start; |
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| 113 | if(NULL == start) |
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| 114 | return NULL; |
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| 115 | if(!null_is_end) { |
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| 116 | char *end = NULL; |
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| 117 | /* first char must be alnum, after that it's opened up. */ |
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| 118 | while('\0' != *p) { |
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| 119 | if(!ISALNUM(*p)) |
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| 120 | return NULL; |
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| 121 | p++; |
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| 122 | while(ISALNUM(*p) || '+' == *p || '-' == *p || '.' == *p \ |
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| 123 | || '_' == *p) |
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| 124 | p++; |
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| 125 | if('/' == *p) { |
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| 126 | end = p; |
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| 127 | p++; |
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| 128 | if('/' == *p) |
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| 129 | return NULL; |
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| 130 | } else { |
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| 131 | break; |
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| 132 | } |
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| 133 | } |
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| 134 | if(end) { |
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| 135 | p = end; |
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| 136 | } else if (!end) { |
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| 137 | // no '/', must be '\0' |
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| 138 | if('\0' != *p) |
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| 139 | return NULL; |
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| 140 | } |
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| 141 | } else { |
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| 142 | for (;;) { |
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| 143 | if(!ISALNUM(*p)) |
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| 144 | return NULL; |
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| 145 | p++; |
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| 146 | while('\0' != *p && (ISALNUM(*p) || '+' == *p || '-' == *p \ |
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| 147 | || '.' == *p || '_' == *p)) |
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| 148 | p++; |
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| 149 | if('/' == *p) { |
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| 150 | p++; |
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| 151 | if('/' == *p) |
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| 152 | return NULL; |
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| 153 | } else if('\0' == *p) |
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| 154 | break; |
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| 155 | else |
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| 156 | return NULL; |
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| 157 | } |
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| 158 | } |
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| 159 | if(p == start) |
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| 160 | return NULL; |
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| 161 | return p; |
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| 162 | } |
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| 163 | |
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| 164 | |
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| 165 | static char * |
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| 166 | pkgcore_cpv_parse_package(const char *start) |
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| 167 | { |
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| 168 | // yay- need to eat the pkg next |
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| 169 | // allowed [a-zA-Z0-9](?:[-_+a-zA-Z0-9]*?[+a-zA-Z0-9])??) |
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| 170 | // ver- "(?:-(?P<fullver>(?P<version>(?:cvs\\.)?(?:\\d+)(?:\\.\\d+)*[a-z]?(?:_(p(?:re)?|beta|alpha|rc)\\d*)*)" + |
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| 171 | // "(?:-r(?P<revision>\\d+))?))?$") |
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| 172 | // note that pkg regex is non-greedy. |
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| 173 | char *p = (char *)start; |
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| 174 | char *ver_start; |
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| 175 | if(NULL == start) |
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| 176 | return NULL; |
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| 177 | start = p; |
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| 178 | p = strchr(start, '-'); |
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| 179 | while(NULL != p) { |
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| 180 | ++p; |
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| 181 | ver_start = p; |
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| 182 | if('\0' == *p) |
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| 183 | return NULL; |
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| 184 | if(0 == strncmp(p, "cvs.", 4)) { |
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| 185 | // we've got it. |
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| 186 | break; |
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| 187 | } |
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| 188 | while(ISDIGIT(*p)) |
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| 189 | p++; |
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| 190 | if(p == ver_start) { |
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| 191 | p = strchr(ver_start + 1, '-'); |
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| 192 | continue; |
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| 193 | } |
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| 194 | if('\0' == *p) |
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| 195 | break; |
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| 196 | |
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| 197 | // ok. so, either it's a period, _, or a *single* [a-z]. |
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| 198 | if('\0' == *p || '.' == *p || '_' == *p || '-' == *p) { |
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| 199 | break; |
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| 200 | } else if(ISLOWER(*p)) { |
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| 201 | p++; |
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| 202 | if('\0' == *p || '.' == *p || '_' == *p || '-' == *p) |
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| 203 | break; |
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| 204 | } |
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| 205 | p = strchr(p, '-'); |
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| 206 | } |
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| 207 | // do verification of pkg for *both* branches |
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| 208 | if (!p) { |
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| 209 | // no pkg detected, find end, verification happens outside |
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| 210 | // the block |
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| 211 | p = (char *)start; |
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| 212 | while('\0' != *p) |
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| 213 | p++; |
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| 214 | ver_start = p; |
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| 215 | } |
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| 216 | if('\0' != *ver_start) |
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| 217 | ver_start--; |
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| 218 | return ver_start; |
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| 219 | } |
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| 220 | |
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| 221 | |
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| 222 | static int |
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| 223 | pkgcore_cpv_parse_version(pkgcore_cpv *self, char *ver_start, |
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| 224 | char **ver_end) |
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| 225 | { |
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| 226 | // version parsing. |
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| 227 | // "(?:-(?P<fullver>(?P<version>(?:cvs\\.)?(?:\\d+)(?:\\.\\d+)*[a-z]?(?:_(p(?:re)?|beta|alpha|rc)\\d*)*)" + |
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| 228 | // "(?:-r(?P<revision>\\d+))?))?$") |
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| 229 | char *p = ver_start; |
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| 230 | |
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| 231 | // suffixes _have_ to have versions; do it now to avoid |
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| 232 | if('_' == *p) |
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| 233 | return 1; |
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| 234 | |
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| 235 | // grab cvs chunk |
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| 236 | if(0 == strncmp(ver_start, "cvs.", 4)) { |
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| 237 | self->cvs = 1; |
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| 238 | p += 4; |
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| 239 | if('\0' == *p) |
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| 240 | return 1; |
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| 241 | } |
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| 242 | // (\d+)(\.\d+)*[a-z]? |
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| 243 | for(;;) { |
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| 244 | while(ISDIGIT(*p)) |
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| 245 | p++; |
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| 246 | // safe due to our checks from above, but just in case... |
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| 247 | if(ver_start == p || '.' == p[-1]) { |
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| 248 | return 1; |
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| 249 | } |
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| 250 | if(ISALPHA(*p)) { |
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| 251 | p++; |
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| 252 | if('\0' != *p && '_' != *p && '-' != *p) |
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| 253 | return 1; |
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| 254 | break; |
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| 255 | } else if('.' == *p) { |
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| 256 | p++; |
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| 257 | } else if('\0' == *p || '_' == *p || '-' == *p) { |
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| 258 | break; |
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| 259 | } else { |
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| 260 | return 1; |
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| 261 | } |
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| 262 | } |
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| 263 | if('_' == *p) { |
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| 264 | // suffixes. yay. |
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| 265 | char *orig_p = (char *)p; |
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| 266 | unsigned int suffix_count = 0; |
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| 267 | unsigned int pos; |
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| 268 | unsigned new_long; |
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| 269 | struct suffix_ver *sv; |
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| 270 | do { |
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| 271 | suffix_count++; |
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| 272 | p = strchr(p + 1, '_'); |
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| 273 | } while(NULL != p); |
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| 274 | |
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| 275 | // trailing is 0 0 |
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| 276 | |
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| 277 | p = orig_p; |
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| 278 | self->suffixes = PyObject_Malloc(sizeof(long) * (suffix_count + 1) * 2); |
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| 279 | if(NULL == self->suffixes) { |
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| 280 | // wanker. |
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| 281 | PyErr_NoMemory(); |
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| 282 | return -2; |
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| 283 | } |
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| 284 | suffix_count *= 2; |
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| 285 | for(pos = 0; pos < suffix_count; pos += 2) { |
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| 286 | p += 1; // skip the leading _ |
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| 287 | if('\0' == *p) |
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| 288 | return 1; |
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| 289 | for(sv = pkgcore_ebuild_suffixes; NULL != sv->str; sv++) { |
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| 290 | if(0 == strncmp(p, sv->str, sv->str_len)) { |
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| 291 | self->suffixes[pos] = sv->val; |
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| 292 | p += sv->str_len; |
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| 293 | new_long = 0; |
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| 294 | while(ISDIGIT(*p)) { |
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| 295 | new_long = (new_long * 10) + *p - '0'; |
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| 296 | p++; |
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| 297 | } |
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| 298 | if('\0' != *p && '_' != *p && '-' != *p) |
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| 299 | return 1; |
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| 300 | self->suffixes[pos + 1] = new_long; |
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| 301 | break; |
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| 302 | } |
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| 303 | } |
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| 304 | if(NULL == sv->str) { |
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| 305 | // that means it didn't find the suffix. |
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| 306 | return 1; |
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| 307 | } |
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| 308 | } |
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| 309 | self->suffixes[pos] = PKGCORE_EBUILD_SUFFIX_DEFAULT_SUF; |
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| 310 | self->suffixes[pos + 1] = PKGCORE_EBUILD_SUFFIX_DEFAULT_VAL; |
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| 311 | } else { |
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| 312 | self->suffixes = (unsigned long *)pkgcore_ebuild_default_suffixes; |
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| 313 | } |
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| 314 | *ver_end = p; |
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| 315 | return 0; |
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| 316 | } |
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| 317 | |
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| 318 | static int |
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| 319 | pkgcore_cpv_init(pkgcore_cpv *self, PyObject *args, PyObject *kwds) |
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| 320 | { |
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| 321 | int result = 0; |
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| 322 | char *ver_end = NULL; |
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| 323 | char *p = NULL, *s1 = NULL, *s2 = NULL; |
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| 324 | char *cpv_char = NULL; |
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| 325 | char *cpv_pos = NULL; |
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| 326 | PyObject *tmp = NULL, *tmp2 = NULL, *cpvstr = NULL, *category = NULL, |
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| 327 | *package = NULL, *fullver = NULL; |
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| 328 | |
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| 329 | if(!PyArg_UnpackTuple(args, "CPV", 1, 3, &category, &package, &fullver)) |
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| 330 | return -1; |
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| 331 | |
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| 332 | if(kwds && PyObject_IsTrue(kwds)) { |
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| 333 | PyErr_SetString(PyExc_TypeError, |
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| 334 | "cpv accepts either 1 arg (cpvstr), or 3 (category, package, " |
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| 335 | "version); all must be strings, and no keywords accepted; got kwds"); |
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| 336 | goto cleanup; |
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| 337 | } |
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| 338 | |
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| 339 | if(package) { |
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| 340 | if(!fullver || !PyString_CheckExact(category) || |
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| 341 | !PyString_CheckExact(package) || !PyString_CheckExact(fullver)) { |
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| 342 | PyObject *err_msg = PyString_FromString( |
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| 343 | "cpv accepts either 1 arg (cpvstr), or 3 (category, package, " |
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| 344 | "version); all must be strings: got %r"); |
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| 345 | if(err_msg) { |
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| 346 | PyObject *new_args = PyTuple_Pack(1, args); |
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| 347 | if(new_args) { |
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| 348 | PyObject *s = PyString_Format(err_msg, new_args); |
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| 349 | if(s) { |
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| 350 | PyErr_SetString(PyExc_TypeError, PyString_AsString(s)); |
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| 351 | Py_CLEAR(s); |
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| 352 | } |
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| 353 | Py_CLEAR(new_args); |
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| 354 | } |
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| 355 | Py_CLEAR(err_msg); |
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| 356 | } |
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| 357 | goto cleanup; |
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| 358 | } |
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| 359 | } else { |
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| 360 | if (!PyString_CheckExact(category)) { |
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| 361 | PyObject *err_msg = PyString_FromString( |
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| 362 | "cpv accepts either 1 arg (cpvstr), or 3 (category, package, " |
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| 363 | "version); all must be strings: got extra arg %r"); |
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| 364 | if(err_msg) { |
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| 365 | PyObject *new_args = PyTuple_Pack(1, args); |
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| 366 | if(new_args) { |
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| 367 | PyObject *s = PyString_Format(err_msg, new_args); |
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| 368 | if(s) { |
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| 369 | PyErr_SetString(PyExc_TypeError, PyString_AsString(s)); |
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| 370 | Py_CLEAR(s); |
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| 371 | } |
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| 372 | Py_CLEAR(new_args); |
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| 373 | } |
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| 374 | Py_CLEAR(err_msg); |
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| 375 | } |
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| 376 | goto cleanup; |
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| 377 | } |
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| 378 | cpvstr = category; |
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| 379 | category = NULL; |
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| 380 | } |
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| 381 | |
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| 382 | self->hash_val = -1; |
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| 383 | |
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| 384 | if(!category) { |
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| 385 | cpv_char = PyString_AsString(cpvstr); |
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| 386 | cpv_pos = pkgcore_cpv_parse_category(cpv_char, 0); |
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| 387 | if(!cpv_pos || '/' != *cpv_pos) |
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| 388 | goto parse_error; |
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| 389 | category = PyString_FromStringAndSize(cpv_char, cpv_pos - cpv_char); |
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| 390 | if(!category) |
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| 391 | goto cleanup; |
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| 392 | cpv_pos++; |
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| 393 | |
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| 394 | } else { |
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| 395 | p = PyString_AsString(category); |
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| 396 | p = pkgcore_cpv_parse_category(p, 1); |
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| 397 | if(!p || '\0' != *p) |
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| 398 | goto parse_error; |
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| 399 | Py_INCREF(category); |
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| 400 | } |
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| 401 | tmp = self->category; |
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| 402 | self->category = category; |
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| 403 | Py_XDECREF(tmp); |
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| 404 | |
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| 405 | if(!package) { |
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| 406 | p = pkgcore_cpv_parse_package(cpv_pos); |
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| 407 | if(!p || ('\0' != *p && '-' != *p)) |
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| 408 | goto parse_error; |
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| 409 | if(NULL == (package = PyString_FromStringAndSize(cpv_pos, p - cpv_pos))) |
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| 410 | goto cleanup; |
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| 411 | cpv_pos = p; |
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| 412 | } else { |
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| 413 | p = pkgcore_cpv_parse_package(PyString_AsString(package)); |
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| 414 | if(!p || '\0' != *p) |
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| 415 | goto parse_error; |
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| 416 | Py_INCREF(package); |
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| 417 | } |
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| 418 | tmp = self->package; |
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| 419 | self->package = package; |
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| 420 | Py_XDECREF(tmp); |
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| 421 | |
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| 422 | // package verification |
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| 423 | s1 = PyString_AsString(self->package); |
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| 424 | if(!s1) |
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| 425 | goto parse_error; |
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| 426 | s2 = s1; |
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| 427 | if(!ISALNUM(*s2)) |
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| 428 | goto parse_error; |
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| 429 | s2++; |
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| 430 | while (ISALNUM(*s2) || '_' == *s2 || '+' == *s2) |
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| 431 | s2++; |
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| 432 | while('-' == *s2) { |
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| 433 | s2++; |
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| 434 | if('\0' == *s2) |
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| 435 | goto parse_error; |
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| 436 | if(ISDIGIT(*s2)) { |
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| 437 | s2++; |
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| 438 | while(ISDIGIT(*s2)) |
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| 439 | s2++; |
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| 440 | if(!ISALPHA(*s2) && '+' != *s2) |
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| 441 | goto parse_error; |
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| 442 | s2++; |
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| 443 | if(!ISALPHA(*s2) && '+' != *s2) |
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| 444 | goto parse_error; |
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| 445 | while(ISALNUM(*s2) || '+' == *s2 || '_' == *s2) |
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| 446 | s2++; |
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| 447 | } else if(ISALPHA(*s2) || '+' == *s2) { |
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| 448 | s2++; |
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| 449 | while(ISALNUM(*s2) || '+' == *s2 || '_' == *s2) |
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| 450 | s2++; |
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| 451 | } else { |
|---|
| 452 | goto parse_error; |
|---|
| 453 | } |
|---|
| 454 | } |
|---|
| 455 | if('\0' != *s2) |
|---|
| 456 | goto parse_error; |
|---|
| 457 | |
|---|
| 458 | if(!fullver) { |
|---|
| 459 | if('\0' != *p) |
|---|
| 460 | cpv_pos++; |
|---|
| 461 | p = cpv_pos; |
|---|
| 462 | } else { |
|---|
| 463 | p = PyString_AsString(fullver); |
|---|
| 464 | if(!p) |
|---|
| 465 | goto cleanup; |
|---|
| 466 | } |
|---|
| 467 | if('\0' != *p) { |
|---|
| 468 | result = pkgcore_cpv_parse_version(self, p, &ver_end); |
|---|
| 469 | if(result < 0) |
|---|
| 470 | goto cleanup; |
|---|
| 471 | else if(result > 0) |
|---|
| 472 | goto parse_error; |
|---|
| 473 | // doesn't look right. |
|---|
| 474 | if('\0' == *ver_end) { |
|---|
| 475 | if(fullver) { |
|---|
| 476 | // no rev; set version to fullver |
|---|
| 477 | Py_INCREF(fullver); |
|---|
| 478 | } else { |
|---|
| 479 | if(NULL == |
|---|
| 480 | (fullver = PyString_FromStringAndSize(cpv_pos, ver_end - p))) |
|---|
| 481 | goto cleanup; |
|---|
| 482 | } |
|---|
| 483 | tmp = self->version; |
|---|
| 484 | self->version = fullver; |
|---|
| 485 | Py_XDECREF(tmp); |
|---|
| 486 | Py_CLEAR(self->revision); |
|---|
| 487 | Py_INCREF(fullver); |
|---|
| 488 | } else if('-' == *ver_end) { |
|---|
| 489 | if(NULL == (tmp = PyString_FromStringAndSize(p, ver_end - p))) |
|---|
| 490 | goto cleanup; |
|---|
| 491 | tmp2 = self->version; |
|---|
| 492 | self->version = tmp; |
|---|
| 493 | Py_XDECREF(tmp2); |
|---|
| 494 | unsigned long revision = 0; |
|---|
| 495 | // ok, revision. |
|---|
| 496 | p = ver_end; |
|---|
| 497 | p++; |
|---|
| 498 | if('r' != *p) |
|---|
| 499 | goto parse_error; |
|---|
| 500 | p++; |
|---|
| 501 | while(ISDIGIT(*p)) { |
|---|
| 502 | revision = (revision * 10) + *p - '0'; |
|---|
| 503 | p++; |
|---|
| 504 | } |
|---|
| 505 | if('\0' != *p || 'r' == p[-1]) |
|---|
| 506 | goto parse_error; |
|---|
| 507 | tmp = PyInt_FromLong(revision); |
|---|
| 508 | if(!tmp) { |
|---|
| 509 | result = -1; |
|---|
| 510 | goto cleanup; |
|---|
| 511 | } |
|---|
| 512 | tmp2 = self->revision; |
|---|
| 513 | self->revision = tmp; |
|---|
| 514 | Py_XDECREF(tmp2); |
|---|
| 515 | if(!fullver) { |
|---|
| 516 | if(NULL == (fullver = PyString_FromStringAndSize(cpv_pos, |
|---|
| 517 | p - cpv_pos))) |
|---|
| 518 | goto cleanup; |
|---|
| 519 | } else { |
|---|
| 520 | Py_INCREF(fullver); |
|---|
| 521 | } |
|---|
| 522 | } else { |
|---|
| 523 | goto parse_error; |
|---|
| 524 | } |
|---|
| 525 | tmp = self->fullver; |
|---|
| 526 | self->fullver = fullver; |
|---|
| 527 | Py_XDECREF(tmp); |
|---|
| 528 | } else { |
|---|
| 529 | Py_CLEAR(self->fullver); |
|---|
| 530 | Py_CLEAR(self->version); |
|---|
| 531 | Py_CLEAR(self->revision); |
|---|
| 532 | } |
|---|
| 533 | |
|---|
| 534 | |
|---|
| 535 | // by now, category, package, version, revision, and fullver should |
|---|
| 536 | // be initialized. key, and cpvstr now. |
|---|
| 537 | |
|---|
| 538 | tmp = NULL; |
|---|
| 539 | if(cpvstr) { |
|---|
| 540 | self->hash_val = PyObject_Hash(cpvstr); |
|---|
| 541 | if(self->hash_val == -1) |
|---|
| 542 | goto cleanup; |
|---|
| 543 | if(!self->fullver) { |
|---|
| 544 | Py_INCREF(cpvstr); |
|---|
| 545 | tmp = cpvstr; |
|---|
| 546 | } |
|---|
| 547 | } |
|---|
| 548 | if(!tmp) { |
|---|
| 549 | tmp = PyString_FromFormat("%s/%s", PyString_AsString(self->category), |
|---|
| 550 | PyString_AsString(self->package)); |
|---|
| 551 | if(!tmp) |
|---|
| 552 | goto cleanup; |
|---|
| 553 | } |
|---|
| 554 | tmp2 = self->key; |
|---|
| 555 | self->key = tmp; |
|---|
| 556 | Py_XDECREF(tmp2); |
|---|
| 557 | return 0; |
|---|
| 558 | |
|---|
| 559 | parse_error: |
|---|
| 560 | // yay. well, set an exception. |
|---|
| 561 | // if an error from trying to call, let it propagate. meanwhile, we |
|---|
| 562 | // cleanup our own |
|---|
| 563 | if(!cpvstr) { |
|---|
| 564 | if(PySequence_Length(fullver) != 0) { |
|---|
| 565 | cpvstr = PyString_FromFormat("%s/%s-%s", PyString_AsString(category), |
|---|
| 566 | PyString_AsString(package), PyString_AsString(fullver)); |
|---|
| 567 | } else { |
|---|
| 568 | cpvstr = PyString_FromFormat("%s/%s", PyString_AsString(category), |
|---|
| 569 | PyString_AsString(package)); |
|---|
| 570 | } |
|---|
| 571 | if(!cpvstr) |
|---|
| 572 | goto cleanup; |
|---|
| 573 | } |
|---|
| 574 | tmp = PyObject_CallFunction(pkgcore_InvalidCPV_Exc, "O", cpvstr); |
|---|
| 575 | if(NULL != tmp) { |
|---|
| 576 | PyErr_SetObject(pkgcore_InvalidCPV_Exc, tmp); |
|---|
| 577 | Py_DECREF(tmp); |
|---|
| 578 | } |
|---|
| 579 | cleanup: |
|---|
| 580 | |
|---|
| 581 | Py_CLEAR(self->category); |
|---|
| 582 | Py_CLEAR(self->package); |
|---|
| 583 | Py_CLEAR(self->key); |
|---|
| 584 | Py_CLEAR(self->version); |
|---|
| 585 | Py_CLEAR(self->revision); |
|---|
| 586 | Py_CLEAR(self->fullver); |
|---|
| 587 | |
|---|
| 588 | if(NULL != self->suffixes) { |
|---|
| 589 | // if we're not using the communal val... |
|---|
| 590 | if(PKGCORE_EBUILD_SUFFIX_DEFAULT_SUF != self->suffixes[0]) { |
|---|
| 591 | PyObject_Free(self->suffixes); |
|---|
| 592 | } |
|---|
| 593 | self->suffixes = NULL; |
|---|
| 594 | } |
|---|
| 595 | return -1; |
|---|
| 596 | } |
|---|
| 597 | |
|---|
| 598 | |
|---|
| 599 | static void |
|---|
| 600 | pkgcore_cpv_dealloc(pkgcore_cpv *self) |
|---|
| 601 | { |
|---|
| 602 | Py_CLEAR(self->category); |
|---|
| 603 | Py_CLEAR(self->package); |
|---|
| 604 | Py_CLEAR(self->key); |
|---|
| 605 | Py_CLEAR(self->version); |
|---|
| 606 | Py_CLEAR(self->revision); |
|---|
| 607 | Py_CLEAR(self->fullver); |
|---|
| 608 | |
|---|
| 609 | if(NULL != self->suffixes) { |
|---|
| 610 | if(PKGCORE_EBUILD_SUFFIX_DEFAULT_SUF != self->suffixes[0]) { |
|---|
| 611 | PyObject_Free(self->suffixes); |
|---|
| 612 | } |
|---|
| 613 | self->suffixes = NULL; |
|---|
| 614 | } |
|---|
| 615 | self->ob_type->tp_free((PyObject *)self); |
|---|
| 616 | } |
|---|
| 617 | |
|---|
| 618 | |
|---|
| 619 | static int |
|---|
| 620 | pkgcore_nullsafe_compare(PyObject *this, PyObject *other) |
|---|
| 621 | { |
|---|
| 622 | if ((this == NULL || this == Py_None) && |
|---|
| 623 | (other == NULL || other == Py_None)) { |
|---|
| 624 | return 0; |
|---|
| 625 | } |
|---|
| 626 | if (this == NULL || this == Py_None) { |
|---|
| 627 | return -1; |
|---|
| 628 | } |
|---|
| 629 | if (other == NULL || other == Py_None) { |
|---|
| 630 | return +1; |
|---|
| 631 | } |
|---|
| 632 | return PyObject_Compare(this, other); |
|---|
| 633 | } |
|---|
| 634 | |
|---|
| 635 | |
|---|
| 636 | static int |
|---|
| 637 | pkgcore_cpv_compare(pkgcore_cpv *self, pkgcore_cpv *other) |
|---|
| 638 | { |
|---|
| 639 | int c; |
|---|
| 640 | c = pkgcore_nullsafe_compare(self->category, other->category); |
|---|
| 641 | if(PyErr_Occurred()) |
|---|
| 642 | return -1; |
|---|
| 643 | if(c != 0) |
|---|
| 644 | return c; |
|---|
| 645 | c = pkgcore_nullsafe_compare(self->package, other->package); |
|---|
| 646 | if(PyErr_Occurred()) |
|---|
| 647 | return -1; |
|---|
| 648 | if(c != 0) |
|---|
| 649 | return c; |
|---|
| 650 | if(self->version == NULL) |
|---|
| 651 | return other->version == NULL ? 0 : -1; |
|---|
| 652 | if(other->version == NULL) |
|---|
| 653 | return 1; |
|---|
| 654 | |
|---|
| 655 | if(self->cvs != other->cvs) |
|---|
| 656 | return self->cvs ? +1 : -1; |
|---|
| 657 | |
|---|
| 658 | char *s1, *o1; |
|---|
| 659 | s1 = PyString_AsString(self->version); |
|---|
| 660 | if(!s1) |
|---|
| 661 | return -1; |
|---|
| 662 | o1 = PyString_AsString(other->version); |
|---|
| 663 | if (!o1) |
|---|
| 664 | return -1; |
|---|
| 665 | |
|---|
| 666 | if(self->cvs) { |
|---|
| 667 | s1 += 4; // "cvs." |
|---|
| 668 | o1 += 4; |
|---|
| 669 | } |
|---|
| 670 | while('_' != *s1 && '\0' != *s1 && '_' != *o1 && '\0' != *o1) { |
|---|
| 671 | if('0' == *s1 || '0' == *o1) { |
|---|
| 672 | // float comparison rules. |
|---|
| 673 | do { |
|---|
| 674 | if(*s1 > *o1) |
|---|
| 675 | return 1; |
|---|
| 676 | else if (*s1 < *o1) |
|---|
| 677 | return -1; |
|---|
| 678 | s1++; o1++; |
|---|
| 679 | } while (ISDIGIT(*s1) && ISDIGIT(*o1)); |
|---|
| 680 | |
|---|
| 681 | while(ISDIGIT(*s1)) { |
|---|
| 682 | if('0' != *s1) |
|---|
| 683 | return +1; |
|---|
| 684 | s1++; |
|---|
| 685 | } |
|---|
| 686 | while(ISDIGIT(*o1)) { |
|---|
| 687 | if('0' != *o1) |
|---|
| 688 | return -1; |
|---|
| 689 | o1++; |
|---|
| 690 | } |
|---|
| 691 | } else { |
|---|
| 692 | // int comparison rules. |
|---|
| 693 | char *s_start = s1, *o_start = o1; |
|---|
| 694 | |
|---|
| 695 | while(ISDIGIT(*s1)) |
|---|
| 696 | s1++; |
|---|
| 697 | while(ISDIGIT(*o1)) |
|---|
| 698 | o1++; |
|---|
| 699 | |
|---|
| 700 | if((s1 - s_start) < (o1 - o_start)) |
|---|
| 701 | return -1; |
|---|
| 702 | else if((s1 - s_start) > (o1 - o_start)) |
|---|
| 703 | return 1; |
|---|
| 704 | |
|---|
| 705 | char *s_end = s1; |
|---|
| 706 | |
|---|
| 707 | for(s1 = s_start, o1 = o_start; s1 != s_end; s1++, o1++) { |
|---|
| 708 | if(*s1 < *o1) |
|---|
| 709 | return -1; |
|---|
| 710 | else if (*s1 > *o1) |
|---|
| 711 | return 1; |
|---|
| 712 | } |
|---|
| 713 | } |
|---|
| 714 | if(ISALPHA(*s1)) { |
|---|
| 715 | if(ISALPHA(*o1)) { |
|---|
| 716 | if(*s1 < *o1) |
|---|
| 717 | return -1; |
|---|
| 718 | else if(*s1 > *o1) |
|---|
| 719 | return 1; |
|---|
| 720 | o1++; |
|---|
| 721 | } else |
|---|
| 722 | return 1; |
|---|
| 723 | s1++; |
|---|
| 724 | } else if ISALPHA(*o1) { |
|---|
| 725 | return -1; |
|---|
| 726 | } |
|---|
| 727 | if('.' == *s1) |
|---|
| 728 | s1++; |
|---|
| 729 | if('.' == *o1) |
|---|
| 730 | o1++; |
|---|
| 731 | // hokay. no resolution there. |
|---|
| 732 | } |
|---|
| 733 | // ok. one of the two just ran out of vers; test on suffixes |
|---|
| 734 | if(ISDIGIT(*s1)) { |
|---|
| 735 | return +1; |
|---|
| 736 | } else if(ISDIGIT(*o1)) { |
|---|
| 737 | return -1; |
|---|
| 738 | } |
|---|
| 739 | // bugger. exact same version string up to suffix pt. |
|---|
| 740 | int x; |
|---|
| 741 | for(x=0;;) { |
|---|
| 742 | // cmp suffix type. |
|---|
| 743 | if(self->suffixes[x] < other->suffixes[x]) |
|---|
| 744 | return -1; |
|---|
| 745 | else if(self->suffixes[x] > other->suffixes[x]) |
|---|
| 746 | return +1; |
|---|
| 747 | else if(PKGCORE_EBUILD_SUFFIX_DEFAULT_SUF == self->suffixes[x]) { |
|---|
| 748 | // terminator. one remaining element, but little point in testing |
|---|
| 749 | // it. to have hit here requires them to be the same also (for |
|---|
| 750 | // those wondering why we're not testing) |
|---|
| 751 | break; |
|---|
| 752 | } |
|---|
| 753 | x++; |
|---|
| 754 | // cmp suffix val |
|---|
| 755 | if(self->suffixes[x] < other->suffixes[x]) |
|---|
| 756 | return -1; |
|---|
| 757 | else if(self->suffixes[x] > other->suffixes[x]) |
|---|
| 758 | return +1; |
|---|
| 759 | x++; |
|---|
| 760 | } |
|---|
| 761 | // all that remains is revision. |
|---|
| 762 | return pkgcore_nullsafe_compare(self->revision, other->revision); |
|---|
| 763 | } |
|---|
| 764 | |
|---|
| 765 | |
|---|
| 766 | |
|---|
| 767 | static long |
|---|
| 768 | pkgcore_cpv_hash(pkgcore_cpv *self) |
|---|
| 769 | { |
|---|
| 770 | if (self->hash_val == -1) { |
|---|
| 771 | PyObject *s = PyObject_GetAttrString((PyObject *)self, "cpvstr"); |
|---|
| 772 | if(!s) |
|---|
| 773 | return -1; |
|---|
| 774 | self->hash_val = PyObject_Hash(s); |
|---|
| 775 | Py_DECREF(s); |
|---|
| 776 | } |
|---|
| 777 | return self->hash_val; |
|---|
| 778 | } |
|---|
| 779 | |
|---|
| 780 | |
|---|
| 781 | static PyObject * |
|---|
| 782 | pkgcore_cpv_str(pkgcore_cpv *self) |
|---|
| 783 | { |
|---|
| 784 | PyObject *s = PyObject_GetAttrString((PyObject *)self, "cpvstr"); |
|---|
| 785 | if(!s) |
|---|
| 786 | return (PyObject *)NULL; |
|---|
| 787 | if(s != Py_None) { |
|---|
| 788 | return s; |
|---|
| 789 | } |
|---|
| 790 | PyObject *s2 = PyObject_Str(s); |
|---|
| 791 | Py_DECREF(s); |
|---|
| 792 | return s2; |
|---|
| 793 | } |
|---|
| 794 | |
|---|
| 795 | |
|---|
| 796 | static PyObject * |
|---|
| 797 | pkgcore_cpv_repr(pkgcore_cpv *self) |
|---|
| 798 | { |
|---|
| 799 | PyObject *s, *cpv; |
|---|
| 800 | cpv = PyObject_GetAttrString((PyObject *)self, "cpvstr"); |
|---|
| 801 | if(!cpv) |
|---|
| 802 | return (PyObject *)NULL; |
|---|
| 803 | s = PyObject_Repr(cpv); |
|---|
| 804 | Py_DECREF(cpv); |
|---|
| 805 | if(!s) |
|---|
| 806 | return (PyObject *)NULL; |
|---|
| 807 | char *str = PyString_AsString(s); |
|---|
| 808 | if(!s) { |
|---|
| 809 | Py_DECREF(s); |
|---|
| 810 | return (PyObject *)NULL; |
|---|
| 811 | } |
|---|
| 812 | PyObject *s2 = PyString_FromFormat("CPV(%s)", str); |
|---|
| 813 | Py_DECREF(s); |
|---|
| 814 | return s2; |
|---|
| 815 | } |
|---|
| 816 | |
|---|
| 817 | static PyTypeObject pkgcore_cpvType = { |
|---|
| 818 | PyObject_HEAD_INIT(NULL) |
|---|
| 819 | 0, /* ob_size */ |
|---|
| 820 | "CPV", |
|---|
| 821 | sizeof(pkgcore_cpv), /* tp_basicsize */ |
|---|
| 822 | 0, /* tp_itemsize */ |
|---|
| 823 | (destructor)pkgcore_cpv_dealloc, /* tp_dealloc */ |
|---|
| 824 | 0, /* tp_print */ |
|---|
| 825 | 0, /* tp_getattr */ |
|---|
| 826 | 0, /* tp_setattr */ |
|---|
| 827 | (cmpfunc)pkgcore_cpv_compare, /* tp_compare */ |
|---|
| 828 | (reprfunc)pkgcore_cpv_repr, /* tp_repr */ |
|---|
| 829 | 0, /* tp_as_number */ |
|---|
| 830 | 0, /* tp_as_sequence */ |
|---|
| 831 | 0, /* tp_as_mapping */ |
|---|
| 832 | (hashfunc)pkgcore_cpv_hash, /* tp_hash */ |
|---|
| 833 | 0, /* tp_call */ |
|---|
| 834 | (reprfunc)pkgcore_cpv_str, /* tp_str */ |
|---|
| 835 | 0, /* tp_getattro */ |
|---|
| 836 | 0, /* tp_setattro */ |
|---|
| 837 | 0, /* tp_as_buffer */ |
|---|
| 838 | Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */ |
|---|
| 839 | 0, /* tp_doc */ |
|---|
| 840 | 0, /* tp_traverse */ |
|---|
| 841 | 0, /* tp_clear */ |
|---|
| 842 | 0, /* tp_richcompare */ |
|---|
| 843 | 0, /* tp_weaklistoffset */ |
|---|
| 844 | 0, /* tp_iter */ |
|---|
| 845 | 0, /* tp_iternext */ |
|---|
| 846 | 0, /* tp_methods */ |
|---|
| 847 | pkgcore_cpv_members, /* tp_members */ |
|---|
| 848 | pkgcore_cpv_getsetters, /* tp_getset */ |
|---|
| 849 | 0, /* tp_base */ |
|---|
| 850 | 0, /* tp_dict */ |
|---|
| 851 | 0, /* tp_descr_get */ |
|---|
| 852 | 0, /* tp_descr_set */ |
|---|
| 853 | 0, /* tp_dictoffset */ |
|---|
| 854 | (initproc)pkgcore_cpv_init, /* tp_init */ |
|---|
| 855 | 0, /* tp_alloc */ |
|---|
| 856 | PyType_GenericNew, /* tp_new */ |
|---|
| 857 | }; |
|---|
| 858 | |
|---|
| 859 | PyDoc_STRVAR( |
|---|
| 860 | pkgcore_cpv_documentation, |
|---|
| 861 | "C reimplementation of pkgcore.ebuild.cpv."); |
|---|
| 862 | |
|---|
| 863 | /* Copied from stdtypes.c in guppy */ |
|---|
| 864 | #define VISIT(SLOT) \ |
|---|
| 865 | if (SLOT) { \ |
|---|
| 866 | err = visit((PyObject *)(SLOT), arg); \ |
|---|
| 867 | if (err) \ |
|---|
| 868 | return err; \ |
|---|
| 869 | } |
|---|
| 870 | |
|---|
| 871 | #define ATTR(name) \ |
|---|
| 872 | if ((PyObject *)v->name == r->tgt && \ |
|---|
| 873 | (r->visit(NYHR_ATTRIBUTE, PyString_FromString(#name), r))) \ |
|---|
| 874 | return 1; |
|---|
| 875 | |
|---|
| 876 | static int |
|---|
| 877 | pkgcore_cpv_heapytraverse(NyHeapTraverse* traverse) |
|---|
| 878 | { |
|---|
| 879 | pkgcore_cpv *cpv = (pkgcore_cpv*)traverse->obj; |
|---|
| 880 | void *arg = traverse->arg; |
|---|
| 881 | visitproc visit = traverse->visit; |
|---|
| 882 | int err; |
|---|
| 883 | VISIT(cpv->category); |
|---|
| 884 | VISIT(cpv->package); |
|---|
| 885 | VISIT(cpv->key); |
|---|
| 886 | VISIT(cpv->fullver); |
|---|
| 887 | VISIT(cpv->version); |
|---|
| 888 | VISIT(cpv->revision); |
|---|
| 889 | return 0; |
|---|
| 890 | } |
|---|
| 891 | |
|---|
| 892 | static int |
|---|
| 893 | pkgcore_cpv_heapyrelate(NyHeapRelate *r) |
|---|
| 894 | { |
|---|
| 895 | pkgcore_cpv *v = (pkgcore_cpv*)r->src; |
|---|
| 896 | ATTR(category); |
|---|
| 897 | ATTR(package); |
|---|
| 898 | ATTR(key); |
|---|
| 899 | ATTR(fullver); |
|---|
| 900 | ATTR(version); |
|---|
| 901 | ATTR(revision); |
|---|
| 902 | return 0; |
|---|
| 903 | } |
|---|
| 904 | |
|---|
| 905 | static NyHeapDef pkgcore_cpv_heapdefs[] = { |
|---|
| 906 | { |
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| 907 | 0, /* flags */ |
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| 908 | &pkgcore_cpvType, /* type */ |
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| 909 | 0, /* size */ |
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| 910 | pkgcore_cpv_heapytraverse, /* traverse */ |
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| 911 | pkgcore_cpv_heapyrelate /* relate */ |
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| 912 | }, |
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| 913 | {0} |
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| 914 | }; |
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| 915 | |
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| 916 | |
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| 917 | PyMODINIT_FUNC |
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| 918 | init_cpv(void) |
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| 919 | { |
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| 920 | PyObject *m, *s, *errors; |
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| 921 | |
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| 922 | m = Py_InitModule3("_cpv", NULL, pkgcore_cpv_documentation); |
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| 923 | if (!m) |
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| 924 | return; |
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| 925 | |
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| 926 | // this may be redundant; do this so __builtins__["__import__"] is used. |
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| 927 | s = PyString_FromString("pkgcore.ebuild.errors"); |
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| 928 | if (!s) |
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| 929 | return; |
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| 930 | |
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| 931 | errors = PyImport_Import(s); |
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| 932 | Py_DECREF(s); |
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| 933 | if (!errors) |
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| 934 | return; |
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| 935 | |
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| 936 | pkgcore_InvalidCPV_Exc = PyObject_GetAttrString(errors, "InvalidCPV"); |
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| 937 | if (!pkgcore_InvalidCPV_Exc) |
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| 938 | return; |
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| 939 | |
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| 940 | pkgcore_cpvType.ob_type = &PyType_Type; |
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| 941 | |
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| 942 | if (PyType_Ready(&pkgcore_cpvType) < 0) |
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| 943 | return; |
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| 944 | |
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| 945 | Py_INCREF(&pkgcore_cpvType); |
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| 946 | if (PyModule_AddObject(m, "CPV", (PyObject *)&pkgcore_cpvType) == -1) |
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| 947 | return; |
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| 948 | |
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| 949 | PyObject *cobject = PyCObject_FromVoidPtrAndDesc( |
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| 950 | &pkgcore_cpv_heapdefs, "NyHeapDef[] v1.0", 0); |
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| 951 | if (!cobject) |
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| 952 | return; |
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| 953 | |
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| 954 | if (PyModule_AddObject(m, "_NyHeapDefs_", cobject) == -1) |
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| 955 | return; |
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| 956 | |
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| 957 | /* Success! */ |
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| 958 | } |
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