git.m6w6.name Git - m6w6/ext-http/blob - http_deflatestream_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_deflatestream_object.h"
  29
  30 #define HTTP_BEGIN_ARGS(method, ret_ref, req_args)      HTTP_BEGIN_ARGS_EX(HttpDeflateStream, method, ret_ref, req_args)
  31 #define HTTP_EMPTY_ARGS(method, ret_ref)                        HTTP_EMPTY_ARGS_EX(HttpDeflateStream, method, ret_ref)
  32 #define HTTP_DEFLATE_ME(method, visibility)                     PHP_ME(HttpDeflateStream, method, HTTP_ARGS(HttpDeflateStream, 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_EMPTY_ARGS(finish, 0);
  43
  44 #define http_deflatestream_object_declare_default_properties() _http_deflatestream_object_declare_default_properties(TSRMLS_C)
  45 static inline void _http_deflatestream_object_declare_default_properties(TSRMLS_D);
  46
  47 zend_class_entry *http_deflatestream_object_ce;
  48 zend_function_entry http_deflatestream_object_fe[] = {
  49         HTTP_DEFLATE_ME(__construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
  50         HTTP_DEFLATE_ME(update, ZEND_ACC_PUBLIC)
  51         HTTP_DEFLATE_ME(finish, ZEND_ACC_PUBLIC)
  52
  53         EMPTY_FUNCTION_ENTRY
  54 };
  55 static zend_object_handlers http_deflatestream_object_handlers;
  56
  57 PHP_MINIT_FUNCTION(http_deflatestream_object)
  58 {
  59         HTTP_REGISTER_CLASS_EX(HttpDeflateStream, http_deflatestream_object, NULL, 0);
  60         http_deflatestream_object_handlers.clone_obj = _http_deflatestream_object_clone_obj;
  61         return SUCCESS;
  62 }
  63
  64 zend_object_value _http_deflatestream_object_new(zend_class_entry *ce TSRMLS_DC)
  65 {
  66         return http_deflatestream_object_new_ex(ce, NULL, NULL);
  67 }
  68
  69 zend_object_value _http_deflatestream_object_new_ex(zend_class_entry *ce, http_encoding_stream *s, http_deflatestream_object **ptr TSRMLS_DC)
  70 {
  71         zend_object_value ov;
  72         http_deflatestream_object *o;
  73
  74         o = ecalloc(1, sizeof(http_deflatestream_object));
  75         o->zo.ce = ce;
  76
  77         if (ptr) {
  78                 *ptr = o;
  79         }
  80
  81         if (s) {
  82                 o->stream = s;
  83         }
  84
  85         ALLOC_HASHTABLE(OBJ_PROP(o));
  86         zend_hash_init(OBJ_PROP(o), 0, NULL, ZVAL_PTR_DTOR, 0);
  87
  88         ov.handle = putObject(http_deflatestream_object, o);
  89         ov.handlers = &http_deflatestream_object_handlers;
  90
  91         return ov;
  92 }
  93
  94 zend_object_value _http_deflatestream_object_clone_obj(zval *this_ptr TSRMLS_DC)
  95 {
  96         http_encoding_stream *s;
  97         getObject(http_deflatestream_object, obj);
  98
  99         s = ecalloc(1, sizeof(http_encoding_stream));
 100         s->flags = obj->stream->flags;
 101         deflateCopy(&s->stream, &obj->stream->stream);
 102         s->stream.opaque = phpstr_dup(s->stream.opaque);
 103
 104         return http_deflatestream_object_new_ex(Z_OBJCE_P(this_ptr), s, NULL);
 105 }
 106
 107 static inline void _http_deflatestream_object_declare_default_properties(TSRMLS_D)
 108 {
 109         zend_class_entry *ce = http_deflatestream_object_ce;
 110
 111 #ifndef WONKY
 112         DCL_CONST(long, "TYPE_GZIP", HTTP_DEFLATE_TYPE_GZIP);
 113         DCL_CONST(long, "TYPE_ZLIB", HTTP_DEFLATE_TYPE_ZLIB);
 114         DCL_CONST(long, "TYPE_RAW", HTTP_DEFLATE_TYPE_RAW);
 115         DCL_CONST(long, "LEVEL_DEF", HTTP_DEFLATE_LEVEL_DEF);
 116         DCL_CONST(long, "LEVEL_MIN", HTTP_DEFLATE_LEVEL_MIN);
 117         DCL_CONST(long, "LEVEL_MAX", HTTP_DEFLATE_LEVEL_MAX);
 118 #endif
 119 }
 120
 121 void _http_deflatestream_object_free(zend_object *object TSRMLS_DC)
 122 {
 123         http_deflatestream_object *o = (http_deflatestream_object *) object;
 124
 125         if (OBJ_PROP(o)) {
 126                 zend_hash_destroy(OBJ_PROP(o));
 127                 FREE_HASHTABLE(OBJ_PROP(o));
 128         }
 129         if (o->stream) {
 130                 http_encoding_deflate_stream_free(&o->stream);
 131         }
 132         efree(o);
 133 }
 134
 135 /* {{{ proto void HttpDeflateStream::__construct([int flags = 0])
 136  *
 137  * Creates a new HttpDeflateStream object instance.
 138  *
 139  * Accepts an optional int parameter specifying how to initialize the deflate stream.
 140  */
 141 PHP_METHOD(HttpDeflateStream, __construct)
 142 {
 143         long flags = 0;
 144
 145         SET_EH_THROW_HTTP();
 146         if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &flags)) {
 147                 getObject(http_deflatestream_object, obj);
 148
 149                 if (!obj->stream) {
 150                         obj->stream = http_encoding_deflate_stream_init(NULL, flags);
 151                 } else {
 152                         http_error_ex(HE_WARNING, HTTP_E_ENCODING, "HttpDeflateStream cannot be initialized twice");
 153                 }
 154         }
 155         SET_EH_NORMAL();
 156 }
 157 /* }}} */
 158
 159 /* {{{ proto string HttpDeflateStream::update(string data)
 160  *
 161  * Passes more data through the deflate stream.
 162  *
 163  * Expects a string parameter containing (a part of) the data to deflate.
 164  *
 165  * Returns deflated data on success or FALSE on failure.
 166  */
 167 PHP_METHOD(HttpDeflateStream, update)
 168 {
 169         int data_len;
 170         size_t encoded_len = 0;
 171         char *data, *encoded = NULL;
 172         getObject(http_deflatestream_object, obj);
 173
 174         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &data, &data_len)) {
 175                 RETURN_FALSE;
 176         }
 177
 178         if (!obj->stream) {
 179                 if (!(obj->stream = http_encoding_deflate_stream_init(NULL, 0))) {
 180                         RETURN_FALSE;
 181                 }
 182         }
 183
 184         if (SUCCESS == http_encoding_deflate_stream_update(obj->stream, data, data_len, &encoded, &encoded_len)) {
 185                 RETURN_STRINGL(encoded, encoded_len, 0);
 186         } else {
 187                 RETURN_FALSE;
 188         }
 189 }
 190 /* }}} */
 191
 192 /* {{{ proto string HttpDeflateStream::finish()
 193  *
 194  * Finalizes the deflate stream.  The deflate stream can be reused after finalizing.
 195  *
 196  * Returns the final part of deflated data.
 197  */
 198 PHP_METHOD(HttpDeflateStream, finish)
 199 {
 200         size_t encoded_len = 0;
 201         char *encoded = NULL;
 202         getObject(http_deflatestream_object, obj);
 203
 204         NO_ARGS;
 205
 206         if (!obj->stream) {
 207                 RETURN_FALSE;
 208         }
 209
 210         if (SUCCESS == http_encoding_deflate_stream_finish(obj->stream, &encoded, &encoded_len)) {
 211                 RETVAL_STRINGL(encoded, encoded_len, 0);
 212         } else {
 213                 RETVAL_FALSE;
 214         }
 215
 216         http_encoding_deflate_stream_dtor(obj->stream);
 217         http_encoding_deflate_stream_init(obj->stream, obj->stream->flags);
 218 }
 219 /* }}} */
 220
 221
 222 #endif /* ZEND_ENGINE_2 && HTTP_HAVE_ZLIB*/
 223
 224 /*
 225  * Local variables:
 226  * tab-width: 4
 227  * c-basic-offset: 4
 228  * End:
 229  * vim600: noet sw=4 ts=4 fdm=marker
 230  * vim<600: noet sw=4 ts=4
 231  */
 232