git.m6w6.name Git - m6w6/ext-http/blob - src/php_http_misc.h

   1 /*
   2     +--------------------------------------------------------------------+
   3     | PECL :: http                                                       |
   4     +--------------------------------------------------------------------+
   5     | Redistribution and use in source and binary forms, with or without |
   6     | modification, are permitted provided that the conditions mentioned |
   7     | in the accompanying LICENSE file are met.                          |
   8     +--------------------------------------------------------------------+
   9     | Copyright (c) 2004-2014, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 #ifndef PHP_HTTP_MISC_H
  14 #define PHP_HTTP_MISC_H
  15
  16 /* DEFAULTS */
  17
  18 /* DATE FORMAT RFC1123 */
  19 #define PHP_HTTP_DATE_FORMAT "D, d M Y H:i:s \\G\\M\\T"
  20
  21 /* CR LF */
  22 #define PHP_HTTP_CRLF "\r\n"
  23
  24 /* def URL arg separator */
  25 #define PHP_HTTP_URL_ARGSEP "&"
  26
  27 /* send buffer size */
  28 #define PHP_HTTP_SENDBUF_SIZE 40960
  29
  30 /* allowed characters of header field names */
  31 #define PHP_HTTP_HEADER_NAME_CHARS "!#$%&'*+-.^_`|~1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
  32
  33 /* SLEEP */
  34
  35 #define PHP_HTTP_DIFFSEC (0.001)
  36 #define PHP_HTTP_MLLISEC (1000)
  37 #define PHP_HTTP_MCROSEC (1000 * 1000)
  38 #define PHP_HTTP_NANOSEC (1000 * 1000 * 1000)
  39 #define PHP_HTTP_MSEC(s) ((long)(s * PHP_HTTP_MLLISEC))
  40 #define PHP_HTTP_USEC(s) ((long)(s * PHP_HTTP_MCROSEC))
  41 #define PHP_HTTP_NSEC(s) ((long)(s * PHP_HTTP_NANOSEC))
  42
  43 PHP_HTTP_API void php_http_sleep(double s);
  44
  45 /* STRING UTILITIES */
  46
  47 #ifndef PTR_SET
  48 #       define PTR_SET(STR, SET) \
  49         { \
  50                 PTR_FREE(STR); \
  51                 STR = SET; \
  52         }
  53 #endif
  54
  55 #define STR_PTR(s) (s?s:"")
  56
  57 #define lenof(S) (sizeof(S) - 1)
  58
  59 #define PHP_HTTP_MATCH_LOOSE    0
  60 #define PHP_HTTP_MATCH_CASE             0x01
  61 #define PHP_HTTP_MATCH_WORD             0x10
  62 #define PHP_HTTP_MATCH_FULL             0x20
  63 #define PHP_HTTP_MATCH_STRICT   (PHP_HTTP_MATCH_CASE|PHP_HTTP_MATCH_FULL)
  64
  65 int php_http_match(const char *haystack, const char *needle, int flags);
  66 char *php_http_pretty_key(register char *key, size_t key_len, zend_bool uctitle, zend_bool xhyphen);
  67 size_t php_http_boundary(char *buf, size_t len);
  68 int php_http_select_str(const char *cmp, int argc, ...);
  69
  70 /* See "A Reusable Duff Device" By Ralf Holly, August 01, 2005 */
  71 #define PHP_HTTP_DUFF_BREAK() times_=1
  72 #define PHP_HTTP_DUFF(c, a) do { \
  73         size_t count_ = (c); \
  74         size_t times_ = (count_ + 7) >> 3; \
  75         switch (count_ & 7){ \
  76                 case 0: do { \
  77                         a; \
  78                 case 7: \
  79                         a; \
  80                 case 6: \
  81                         a; \
  82                 case 5: \
  83                         a; \
  84                 case 4: \
  85                         a; \
  86                 case 3: \
  87                         a; \
  88                 case 2: \
  89                         a; \
  90                 case 1: \
  91                         a; \
  92                                         } while (--times_ > 0); \
  93         } \
  94 } while (0)
  95
  96 static inline const char *php_http_locate_str(register const char *h, size_t h_len, const char *n, size_t n_len)
  97 {
  98         if (!n_len || !h_len || h_len < n_len) {
  99                 return NULL;
 100         }
 101
 102         PHP_HTTP_DUFF(h_len - n_len + 1,
 103                 if (*h == *n && !strncmp(h + 1, n + 1, n_len - 1)) {
 104                         return h;
 105                 }
 106                 ++h;
 107         );
 108
 109         return NULL;
 110 }
 111
 112 static inline const char *php_http_locate_eol(const char *line, int *eol_len)
 113 {
 114         const char *eol = strpbrk(line, "\r\n");
 115
 116         if (eol_len) {
 117                 *eol_len = eol ? ((eol[0] == '\r' && eol[1] == '\n') ? 2 : 1) : 0;
 118         }
 119         return eol;
 120 }
 121
 122 static inline const char *php_http_locate_bin_eol(const char *bin, size_t len, int *eol_len)
 123 {
 124         register const char *eol = bin;
 125
 126         if (len > 0) {
 127                 PHP_HTTP_DUFF(len,
 128                         if (*eol == '\r' || *eol == '\n') {
 129                                 if (eol_len) {
 130                                         *eol_len = ((eol[0] == '\r' && eol[1] == '\n') ? 2 : 1);
 131                                 }
 132                                 return eol;
 133                         }
 134                         ++eol;
 135                 );
 136         }
 137         return NULL;
 138 }
 139
 140 /* ZEND */
 141
 142 #if PHP_DEBUG
 143 #       undef  HASH_OF
 144 #       define HASH_OF(p) ((HashTable*)(Z_TYPE_P(p)==IS_ARRAY ? Z_ARRVAL_P(p) : ((Z_TYPE_P(p)==IS_OBJECT ? Z_OBJ_HT_P(p)->get_properties((p)) : NULL))))
 145 #endif
 146
 147 #ifndef GC_SET_REFCOUNT
 148 #       define GC_SET_REFCOUNT(gc, rc) GC_REFCOUNT(gc) = rc
 149 #endif
 150 #ifndef GC_ADDREF
 151 #       define GC_ADDREF(gc) ++GC_REFCOUNT(gc)
 152 #endif
 153 #ifndef GC_DELREF
 154 #       define GC_DELREF(gc) --GC_REFCOUNT(gc)
 155 #endif
 156
 157 #ifdef ZEND_HASH_GET_APPLY_COUNT
 158 #       define HT_IS_RECURSIVE(ht) (ZEND_HASH_GET_APPLY_COUNT(ht) > 0)
 159 #else
 160 #       define HT_IS_RECURSIVE(ht) GC_IS_RECURSIVE(ht)
 161 #endif
 162 #ifdef ZEND_HASH_INC_APPLY_COUNT
 163 #       define HT_PROTECT_RECURSION(ht) ZEND_HASH_INC_APPLY_COUNT(ht)
 164 #else
 165 #       define HT_PROTECT_RECURSION(ht) GC_PROTECT_RECURSION(ht)
 166 #endif
 167 #ifdef ZEND_HASH_DEC_APPLY_COUNT
 168 #       define HT_UNPROTECT_RECURSION(ht) ZEND_HASH_DEC_APPLY_COUNT(ht)
 169 #else
 170 #       define HT_UNPROTECT_RECURSION(ht) GC_UNPROTECT_RECURSION(ht)
 171 #endif
 172
 173 static inline void *PHP_HTTP_OBJ(zend_object *zo, zval *zv)
 174 {
 175         if (!zo) {
 176                 zo = Z_OBJ_P(zv);
 177         }
 178         return (char *) zo - zo->handlers->offset;
 179 }
 180
 181 static inline zend_string *php_http_cs2zs(char *s, size_t l)
 182 {
 183         zend_string *str = erealloc(s, sizeof(*str) + l);
 184
 185         memmove(str->val, str, l);
 186         str->val[l] = 0;
 187         str->len = l;
 188         str->h = 0;
 189
 190         GC_SET_REFCOUNT(str, 1);
 191         GC_TYPE_INFO(str) = IS_STRING;
 192
 193         return str;
 194 }
 195
 196 static inline ZEND_RESULT_CODE php_http_ini_entry(const char *name_str, size_t name_len, const char **val_str, size_t *val_len, zend_bool orig)
 197 {
 198         zend_ini_entry *ini_entry;
 199
 200         if ((ini_entry = zend_hash_str_find_ptr(EG(ini_directives), name_str, name_len))) {
 201                 if (orig && ini_entry->modified) {
 202                         *val_str = ini_entry->orig_value->val;
 203                         *val_len = ini_entry->orig_value->len;
 204                 } else {
 205                         *val_str = ini_entry->value->val;
 206                         *val_len = ini_entry->value->len;
 207                 }
 208                 return SUCCESS;
 209         }
 210         return FAILURE;
 211 }
 212
 213 #define Z_ISUSER(zv) (Z_TYPE(zv) <= 10)
 214 #define Z_ISUSER_P(zvp) Z_ISUSER(*(zvp))
 215
 216 /* return object(values) */
 217 #define ZVAL_OBJECT(z, o, addref) \
 218         ZVAL_OBJ(z, o); \
 219         if (addref) { \
 220                 Z_ADDREF_P(z); \
 221         }
 222 #define RETVAL_OBJECT(o, addref) \
 223         ZVAL_OBJECT(return_value, o, addref)
 224 #define RETURN_OBJECT(o, addref) \
 225         RETVAL_OBJECT(o, addref); \
 226         return
 227
 228 #define EMPTY_FUNCTION_ENTRY {NULL, NULL, NULL, 0, 0}
 229
 230 #define PHP_MINIT_CALL(func) PHP_MINIT(func)(INIT_FUNC_ARGS_PASSTHRU)
 231 #define PHP_RINIT_CALL(func) PHP_RINIT(func)(INIT_FUNC_ARGS_PASSTHRU)
 232 #define PHP_MSHUTDOWN_CALL(func) PHP_MSHUTDOWN(func)(SHUTDOWN_FUNC_ARGS_PASSTHRU)
 233 #define PHP_RSHUTDOWN_CALL(func) PHP_RSHUTDOWN(func)(SHUTDOWN_FUNC_ARGS_PASSTHRU)
 234
 235 /* ARRAYS */
 236
 237 PHP_HTTP_API unsigned php_http_array_list(HashTable *ht, unsigned argc, ...);
 238
 239 typedef struct php_http_arrkey {
 240         zend_ulong h;
 241         zend_string *key;
 242         unsigned allocated:1;
 243         unsigned stringified:1;
 244 } php_http_arrkey_t;
 245
 246 static inline void *php_http_arrkey_stringify(php_http_arrkey_t *arrkey, zend_hash_key *key)
 247 {
 248         if (arrkey) {
 249                 arrkey->allocated = 0;
 250         } else {
 251                 arrkey = emalloc(sizeof(*arrkey));
 252                 arrkey->allocated = 1;
 253         }
 254
 255         if (key) {
 256                 memcpy(arrkey, key, sizeof(*key));
 257         }
 258         if ((arrkey->stringified = !arrkey->key)) {
 259                 arrkey->key = zend_long_to_str(arrkey->h);
 260         }
 261         return arrkey;
 262 }
 263
 264 static inline void php_http_arrkey_dtor(php_http_arrkey_t *arrkey)
 265 {
 266         if (arrkey->stringified) {
 267                 zend_string_release(arrkey->key);
 268         }
 269         if (arrkey->allocated) {
 270                 efree(arrkey);
 271         }
 272 }
 273
 274 #define array_copy(src, dst) zend_hash_copy(dst, src, (copy_ctor_func_t) zval_add_ref)
 275 #define array_copy_strings(src, dst) zend_hash_copy(dst, src, php_http_array_copy_strings)
 276 #define ARRAY_JOIN_STRONLY   0x01
 277 #define ARRAY_JOIN_PRETTIFY  0x02
 278 #define ARRAY_JOIN_STRINGIFY 0x04
 279 #define array_join(src, dst, append, flags) zend_hash_apply_with_arguments(src, (append)?php_http_array_apply_append_func:php_http_array_apply_merge_func, 2, dst, (int)flags)
 280
 281 void php_http_array_copy_strings(zval *zp);
 282 int php_http_array_apply_append_func(zval *pDest, int num_args, va_list args, zend_hash_key *hash_key);
 283 int php_http_array_apply_merge_func(zval *pDest, int num_args, va_list args, zend_hash_key *hash_key);
 284
 285 /* PASS CALLBACK */
 286
 287 typedef size_t (*php_http_pass_callback_t)(void *cb_arg, const char *str, size_t len);
 288 typedef size_t (*php_http_pass_php_http_buffer_callback_t)(void *cb_arg, php_http_buffer_t *str);
 289 typedef size_t (*php_http_pass_format_callback_t)(void *cb_arg, const char *fmt, ...);
 290
 291 typedef struct php_http_pass_fcall_arg {
 292         zval fcz;
 293         zend_fcall_info fci;
 294         zend_fcall_info_cache fcc;
 295 } php_http_pass_fcall_arg_t;
 296
 297 PHP_HTTP_API size_t php_http_pass_fcall_callback(void *cb_arg, const char *str, size_t len);
 298
 299 #endif
 300
 301 /*
 302  * Local variables:
 303  * tab-width: 4
 304  * c-basic-offset: 4
 305  * End:
 306  * vim600: noet sw=4 ts=4 fdm=marker
 307  * vim<600: noet sw=4 ts=4
 308  */