- last mhash algo was missed
[m6w6/ext-http] / http_headers_api.c
index b2a2081e18ae79bd5cf8a1c601befd238972a08f..8a4ecc5591f8d9a9ee8c2b4e918a755c56facd4d 100644 (file)
 
 ZEND_EXTERN_MODULE_GLOBALS(http);
 
+#ifndef HTTP_DBG_NEG
+#      define HTTP_DBG_NEG 0
+#endif
+
 /* {{{ static int http_sort_q(const void *, const void *) */
 static int http_sort_q(const void *a, const void *b TSRMLS_DC)
 {
@@ -52,55 +56,129 @@ static int http_sort_q(const void *a, const void *b TSRMLS_DC)
 }
 /* }}} */
 
-/* {{{ char *http_negotiate_q(char *, HashTable *, char *) */
-PHP_HTTP_API char *_http_negotiate_q(const char *entry, const HashTable *supported,    const char *def TSRMLS_DC)
+/* {{{ char *http_negotiate_language_func */
+char *_http_negotiate_language_func(const char *test, double *quality, HashTable *supported TSRMLS_DC)
 {
-       zval *zaccept, zdelim, zarray, zentries, **zentry, **zsupp;
-       char *q_ptr = NULL, *key = NULL;
-       int i = 0;
-       ulong idx = 0;
-       double qual;
-
-       HTTP_GSC(zaccept, entry, estrdup(def));
-
-       array_init(&zarray);
-       array_init(&zentries);
-
-       Z_STRVAL(zdelim) = ",";
-       Z_STRLEN(zdelim) = 1;
-
-       php_explode(&zdelim, zaccept, &zarray, -1);
-
-       FOREACH_HASH_VAL(Z_ARRVAL(zarray), zentry) {
-               if (q_ptr = strrchr(Z_STRVAL_PP(zentry), ';')) {
-                       qual = strtod(q_ptr + 3, NULL);
-                       *q_ptr = 0;
-                       q_ptr = NULL;
-               } else {
-                       qual = 1000.0 - i++;
+       zval **value;
+       const char *dash_test;
+       
+       FOREACH_HASH_VAL(supported, value) {
+#if HTTP_DBG_NEG
+               fprintf(stderr, "strcasecmp('%s', '%s')\n", Z_STRVAL_PP(value), test);
+#endif
+               if (!strcasecmp(Z_STRVAL_PP(value), test)) {
+                       return Z_STRVAL_PP(value);
                }
-               /* TODO: support primaries only, too */
-               FOREACH_HASH_VAL((HashTable *)supported, zsupp) {
-                       if (!strcasecmp(Z_STRVAL_PP(zsupp), Z_STRVAL_PP(zentry))) {
-                               add_assoc_double(&zentries, Z_STRVAL_PP(zsupp), qual);
-                               break;
+       }
+       
+       /* no distinct match found, so try primaries */
+       if (dash_test = strchr(test, '-')) {
+               FOREACH_HASH_VAL(supported, value) {
+                       int len = dash_test - test;
+#if HTTP_DBG_NEG
+                       fprintf(stderr, "strncascmp('%s', '%s', %d)\n", Z_STRVAL_PP(value), test, len);
+#endif
+                       if (    (!strncasecmp(Z_STRVAL_PP(value), test, len)) &&
+                                       (       (Z_STRVAL_PP(value)[len] == '\0') || 
+                                               (Z_STRVAL_PP(value)[len] == '-'))) {
+                               *quality /= 2;
+                               return Z_STRVAL_PP(value);
                        }
                }
        }
-       zval_dtor(&zarray);
-
-       zend_hash_sort(Z_ARRVAL(zentries), zend_qsort, http_sort_q, 0 TSRMLS_CC);
+       
+       return NULL;
+}
+/* }}} */
 
-       FOREACH_HASH_KEY(Z_ARRVAL(zentries), key, idx) {
-               if (key) {
-                       key = estrdup(key);
-                       zval_dtor(&zentries);
-                       return key;
+/* {{{ char *http_negotiate_charset_func */
+char *_http_negotiate_charset_func(const char *test, double *quality, HashTable *supported TSRMLS_DC)
+{
+       zval **value;
+       
+       FOREACH_HASH_VAL(supported, value) {
+#if HTTP_DBG_NEG
+               fprintf(stderr, "strcasecmp('%s', '%s')\n", Z_STRVAL_PP(value), test);
+#endif
+               if (!strcasecmp(Z_STRVAL_PP(value), test)) {
+                       return Z_STRVAL_PP(value);
                }
        }
-       zval_dtor(&zentries);
+       
+       return NULL;
+}
+/* }}} */
 
-       return estrdup(def);
+/* {{{ HashTable *http_negotiate_q(const char *, HashTable *, negotiate_func_t) */
+PHP_HTTP_API HashTable *_http_negotiate_q(const char *header, HashTable *supported, negotiate_func_t neg TSRMLS_DC)
+{
+       zval *accept;
+       HashTable *result = NULL;
+       
+#if HTTP_DBG_NEG
+       fprintf(stderr, "Reading header %s: ", header);
+#endif
+       HTTP_GSC(accept, header, NULL);
+#if HTTP_DBG_NEG
+       fprintf(stderr, "%s\n", Z_STRVAL_P(accept));
+#endif
+       
+       if (Z_STRLEN_P(accept)) {
+               zval ex_arr, ex_del;
+               
+               INIT_PZVAL(&ex_del);
+               INIT_PZVAL(&ex_arr);
+               ZVAL_STRINGL(&ex_del, ",", 1, 0);
+               array_init(&ex_arr);
+               
+               php_explode(&ex_del, accept, &ex_arr, -1);
+               
+               if (zend_hash_num_elements(Z_ARRVAL(ex_arr)) > 0) {
+                       int i = 0;
+                       zval **entry, array;
+                       
+                       INIT_PZVAL(&array);
+                       array_init(&array);
+                       
+                       FOREACH_HASH_VAL(Z_ARRVAL(ex_arr), entry) {
+                               double quality;
+                               char *selected, *identifier;
+                               const char *separator;
+                               
+#if HTTP_DBG_NEG
+                               fprintf(stderr, "Checking %s\n", Z_STRVAL_PP(entry));
+#endif
+                               
+                               if (separator = strchr(Z_STRVAL_PP(entry), ';')) {
+                                       const char *ptr = separator;
+                                       
+                                       while (*++ptr && !isdigit(*ptr));
+                                       
+                                       quality = strtod(ptr, NULL);
+                                       identifier = estrndup(Z_STRVAL_PP(entry), separator - Z_STRVAL_PP(entry));
+                               } else {
+                                       quality = 1000.0 - i++;
+                                       identifier = estrndup(Z_STRVAL_PP(entry), Z_STRLEN_PP(entry));
+                               }
+                               
+                               if (selected = neg(identifier, &quality, supported TSRMLS_CC)) {
+                                       /* don't overwrite previously set with higher quality */
+                                       if (!zend_hash_exists(Z_ARRVAL(array), selected, strlen(selected) + 1)) {
+                                               add_assoc_double(&array, selected, quality);
+                                       }
+                               }
+                               
+                               efree(identifier);
+                       }
+                       
+                       result = Z_ARRVAL(array);
+                       zend_hash_sort(result, zend_qsort, http_sort_q, 0 TSRMLS_CC);
+               }
+               
+               zval_dtor(&ex_arr);
+       }
+       
+       return result;
 }
 /* }}} */
 
@@ -253,13 +331,18 @@ PHP_HTTP_API STATUS _http_parse_headers_ex(const char *header, HashTable *header
        size_t header_len;
        zval array;
 
-       Z_ARRVAL(array) = headers;
-       header_len = body ? body - header : strlen(header) + 1;
+       INIT_ZARR(array, headers);
+       
+       if (body) {
+               header_len = body - header;
+       } else {
+               header_len = strlen(header) + 1;
+       }
        line = header;
 
        while (header_len >= (size_t) (line - begin)) {
                int value_len = 0;
-
+               /* note: valgrind may choke on that -- should be safe though */
                switch (*line++)
                {
                        case ':':