git.m6w6.name Git - m6w6/ext-http/blob - http_inflatestream_object.c

   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) 2004-2005, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 /* $Id$ */
  14
  15
  16 #ifdef HAVE_CONFIG_H
  17 #       include "config.h"
  18 #endif
  19
  20 #define HTTP_WANT_ZLIB
  21 #include "php_http.h"
  22
  23 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_ZLIB)
  24
  25 #include "php_http_api.h"
  26 #include "php_http_encoding_api.h"
  27 #include "php_http_exception_object.h"
  28 #include "php_http_inflatestream_object.h"
  29
  30 #define HTTP_BEGIN_ARGS(method, ret_ref, req_args)      HTTP_BEGIN_ARGS_EX(HttpInflateStream, method, ret_ref, req_args)
  31 #define HTTP_EMPTY_ARGS(method, ret_ref)                        HTTP_EMPTY_ARGS_EX(HttpInflateStream, method, ret_ref)
  32 #define HTTP_INFLATE_ME(method, visibility)                     PHP_ME(HttpInflateStream, method, HTTP_ARGS(HttpInflateStream, method), visibility)
  33
  34 HTTP_BEGIN_ARGS(__construct, 0, 0)
  35         HTTP_ARG_VAL(flags, 0)
  36 HTTP_END_ARGS;
  37
  38 HTTP_BEGIN_ARGS(update, 0, 1)
  39         HTTP_ARG_VAL(data, 0)
  40 HTTP_END_ARGS;
  41
  42 HTTP_BEGIN_ARGS(flush, 0, 0)
  43         HTTP_ARG_VAL(data, 0)
  44 HTTP_END_ARGS;
  45
  46 HTTP_BEGIN_ARGS(finish, 0, 0)
  47         HTTP_ARG_VAL(data, 0)
  48 HTTP_END_ARGS;
  49
  50 zend_class_entry *http_inflatestream_object_ce;
  51 zend_function_entry http_inflatestream_object_fe[] = {
  52         HTTP_INFLATE_ME(update, ZEND_ACC_PUBLIC)
  53         HTTP_INFLATE_ME(flush, ZEND_ACC_PUBLIC)
  54         HTTP_INFLATE_ME(finish, ZEND_ACC_PUBLIC)
  55
  56         EMPTY_FUNCTION_ENTRY
  57 };
  58 static zend_object_handlers http_inflatestream_object_handlers;
  59
  60 static inline void http_inflatestream_object_declare_default_properties() { return; }
  61
  62 PHP_MINIT_FUNCTION(http_inflatestream_object)
  63 {
  64         HTTP_REGISTER_CLASS_EX(HttpInflateStream, http_inflatestream_object, NULL, 0);
  65         http_inflatestream_object_handlers.clone_obj = _http_inflatestream_object_clone_obj;
  66         return SUCCESS;
  67 }
  68
  69 zend_object_value _http_inflatestream_object_new(zend_class_entry *ce TSRMLS_DC)
  70 {
  71         return http_inflatestream_object_new_ex(ce, NULL, NULL);
  72 }
  73
  74 zend_object_value _http_inflatestream_object_new_ex(zend_class_entry *ce, http_encoding_stream *s, http_inflatestream_object **ptr TSRMLS_DC)
  75 {
  76         zend_object_value ov;
  77         http_inflatestream_object *o;
  78
  79         o = ecalloc(1, sizeof(http_inflatestream_object));
  80         o->zo.ce = ce;
  81
  82         if (ptr) {
  83                 *ptr = o;
  84         }
  85
  86         if (s) {
  87                 o->stream = s;
  88         }
  89
  90         ALLOC_HASHTABLE(OBJ_PROP(o));
  91         zend_hash_init(OBJ_PROP(o), 0, NULL, ZVAL_PTR_DTOR, 0);
  92
  93         ov.handle = putObject(http_inflatestream_object, o);
  94         ov.handlers = &http_inflatestream_object_handlers;
  95
  96         return ov;
  97 }
  98
  99 zend_object_value _http_inflatestream_object_clone_obj(zval *this_ptr TSRMLS_DC)
 100 {
 101         http_encoding_stream *s;
 102         getObject(http_inflatestream_object, obj);
 103
 104         s = ecalloc(1, sizeof(http_encoding_stream));
 105         s->flags = obj->stream->flags;
 106         inflateCopy(&s->stream, &obj->stream->stream);
 107         s->stream.opaque = phpstr_dup(s->stream.opaque);
 108
 109         return http_inflatestream_object_new_ex(Z_OBJCE_P(this_ptr), s, NULL);
 110 }
 111
 112 void _http_inflatestream_object_free(zend_object *object TSRMLS_DC)
 113 {
 114         http_inflatestream_object *o = (http_inflatestream_object *) object;
 115
 116         if (OBJ_PROP(o)) {
 117                 zend_hash_destroy(OBJ_PROP(o));
 118                 FREE_HASHTABLE(OBJ_PROP(o));
 119         }
 120         if (o->stream) {
 121                 http_encoding_inflate_stream_free(&o->stream);
 122         }
 123         efree(o);
 124 }
 125
 126 /* {{{ proto string HttpInflateStream::update(string data)
 127  *
 128  * Passes more data through the inflate stream.
 129  *
 130  * Expects a string parameter containing (a part of) the data to inflate.
 131  *
 132  * Returns inflated data on success or FALSE on failure.
 133  */
 134 PHP_METHOD(HttpInflateStream, update)
 135 {
 136         int data_len;
 137         size_t decoded_len = 0;
 138         char *data, *decoded = NULL;
 139         getObject(http_inflatestream_object, obj);
 140
 141         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &data, &data_len)) {
 142                 RETURN_FALSE;
 143         }
 144
 145         if (!data_len) {
 146                 RETURN_STRING("", 1);
 147         }
 148
 149         if (!obj->stream && !(obj->stream = http_encoding_inflate_stream_init(NULL, 0))) {
 150                 RETURN_FALSE;
 151         }
 152
 153         if (SUCCESS == http_encoding_inflate_stream_update(obj->stream, data, data_len, &decoded, &decoded_len)) {
 154                 RETURN_STRINGL(decoded, decoded_len, 0);
 155         } else {
 156                 RETURN_FALSE;
 157         }
 158 }
 159 /* }}} */
 160
 161 /* {{{ proto string HttpInflateStream::flush([string data])
 162  *
 163  * Flush the inflate stream.
 164  *
 165  * Returns some inflated data as string on success or FALSE on failure.
 166  */
 167 PHP_METHOD(HttpInflateStream, flush)
 168 {
 169         int data_len = 0;
 170         size_t decoded_len = 0;
 171         char *decoded = NULL, *data = NULL;
 172         getObject(http_inflatestream_object, obj);
 173
 174         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &data, &data_len));
 175
 176         if (!obj->stream && !(obj->stream = http_encoding_inflate_stream_init(NULL, 0))) {
 177                 RETURN_FALSE;
 178         }
 179
 180         /* flushing the inflate stream is a no-op */
 181         if (!data_len) {
 182                 RETURN_STRINGL("", 0, 1);
 183         } else if (SUCCESS == http_encoding_inflate_stream_update(obj->stream, data, data_len, &decoded, &decoded_len)) {
 184                 RETURN_STRINGL(decoded, decoded_len, 0);
 185         } else {
 186                 RETURN_FALSE;
 187         }
 188 }
 189 /* }}} */
 190
 191 /* {{{ proto string HttpInflateStream::finish([string data])
 192  *
 193  * Finalizes the inflate stream.  The inflate stream can be reused after finalizing.
 194  *
 195  * Returns the final part of inflated data.
 196  */
 197 PHP_METHOD(HttpInflateStream, finish)
 198 {
 199         int data_len = 0;
 200         size_t updated_len = 0, decoded_len = 0;
 201         char *updated = NULL, *decoded = NULL, *data = NULL;
 202         getObject(http_inflatestream_object, obj);
 203
 204         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &data, &data_len)) {
 205                 RETURN_FALSE;
 206         }
 207
 208         if (!obj->stream && !(obj->stream = http_encoding_inflate_stream_init(NULL, 0))) {
 209                 RETURN_FALSE;
 210         }
 211
 212         if (data_len) {
 213                 if (SUCCESS != http_encoding_inflate_stream_update(obj->stream, data, data_len, &updated, &updated_len)) {
 214                         RETURN_FALSE;
 215                 }
 216         }
 217
 218         if (SUCCESS == http_encoding_inflate_stream_finish(obj->stream, &decoded, &decoded_len)) {
 219                 if (updated_len) {
 220                         updated = erealloc(updated, updated_len + decoded_len + 1);
 221                         updated[updated_len + decoded_len] = '\0';
 222                         memcpy(updated + updated_len, decoded, decoded_len);
 223                         updated_len += decoded_len;
 224                         RETVAL_STRINGL(updated, updated_len, 0);
 225                         STR_FREE(decoded);
 226                 } else {
 227                         RETVAL_STRINGL(decoded, decoded_len, 0);
 228                         STR_FREE(updated);
 229                 }
 230         } else {
 231                 RETVAL_FALSE;
 232         }
 233
 234         http_encoding_inflate_stream_dtor(obj->stream);
 235         http_encoding_inflate_stream_init(obj->stream, obj->stream->flags);
 236 }
 237 /* }}} */
 238
 239
 240 #endif /* ZEND_ENGINE_2 && HTTP_HAVE_ZLIB*/
 241
 242 /*
 243  * Local variables:
 244  * tab-width: 4
 245  * c-basic-offset: 4
 246  * End:
 247  * vim600: noet sw=4 ts=4 fdm=marker
 248  * vim<600: noet sw=4 ts=4
 249  */
 250