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) 2004-2010, Michael Wallner <mike@php.net>            |
  10     +--------------------------------------------------------------------+
  11 */
  12
  13 /* $Id$ */
  14
  15 #define HTTP_WANT_ZLIB
  16 #include "php_http.h"
  17
  18 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_ZLIB)
  19
  20 #include "php_http_api.h"
  21 #include "php_http_encoding_api.h"
  22 #include "php_http_exception_object.h"
  23 #include "php_http_inflatestream_object.h"
  24
  25 #define HTTP_BEGIN_ARGS(method, req_args)       HTTP_BEGIN_ARGS_EX(HttpInflateStream, method, 0, req_args)
  26 #define HTTP_EMPTY_ARGS(method)                         HTTP_EMPTY_ARGS_EX(HttpInflateStream, method, 0)
  27 #define HTTP_INFLATE_ME(method, visibility)     PHP_ME(HttpInflateStream, method, HTTP_ARGS(HttpInflateStream, method), visibility)
  28
  29 HTTP_BEGIN_ARGS(__construct, 0)
  30         HTTP_ARG_VAL(flags, 0)
  31 HTTP_END_ARGS;
  32
  33 HTTP_BEGIN_ARGS(factory, 0)
  34         HTTP_ARG_VAL(flags, 0)
  35         HTTP_ARG_VAL(class_name, 0)
  36 HTTP_END_ARGS;
  37
  38 HTTP_BEGIN_ARGS(update, 1)
  39         HTTP_ARG_VAL(data, 0)
  40 HTTP_END_ARGS;
  41
  42 HTTP_BEGIN_ARGS(flush, 0)
  43         HTTP_ARG_VAL(data, 0)
  44 HTTP_END_ARGS;
  45
  46 HTTP_BEGIN_ARGS(finish, 0)
  47         HTTP_ARG_VAL(data, 0)
  48 HTTP_END_ARGS;
  49
  50 #define THIS_CE http_inflatestream_object_ce
  51 zend_class_entry *http_inflatestream_object_ce;
  52 zend_function_entry http_inflatestream_object_fe[] = {
  53         HTTP_INFLATE_ME(__construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
  54         HTTP_INFLATE_ME(update, ZEND_ACC_PUBLIC)
  55         HTTP_INFLATE_ME(flush, ZEND_ACC_PUBLIC)
  56         HTTP_INFLATE_ME(finish, ZEND_ACC_PUBLIC)
  57
  58         HTTP_INFLATE_ME(factory, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
  59
  60         EMPTY_FUNCTION_ENTRY
  61 };
  62 static zend_object_handlers http_inflatestream_object_handlers;
  63
  64 PHP_MINIT_FUNCTION(http_inflatestream_object)
  65 {
  66         HTTP_REGISTER_CLASS_EX(HttpInflateStream, http_inflatestream_object, NULL, 0);
  67         http_inflatestream_object_handlers.clone_obj = _http_inflatestream_object_clone_obj;
  68
  69 #ifndef WONKY
  70         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("FLUSH_NONE")-1, HTTP_ENCODING_STREAM_FLUSH_NONE TSRMLS_CC);
  71         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("FLUSH_SYNC")-1, HTTP_ENCODING_STREAM_FLUSH_SYNC TSRMLS_CC);
  72         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("FLUSH_FULL")-1, HTTP_ENCODING_STREAM_FLUSH_FULL TSRMLS_CC);
  73 #endif
  74
  75         return SUCCESS;
  76 }
  77
  78 zend_object_value _http_inflatestream_object_new(zend_class_entry *ce TSRMLS_DC)
  79 {
  80         return http_inflatestream_object_new_ex(ce, NULL, NULL);
  81 }
  82
  83 zend_object_value _http_inflatestream_object_new_ex(zend_class_entry *ce, http_encoding_stream *s, http_inflatestream_object **ptr TSRMLS_DC)
  84 {
  85         zend_object_value ov;
  86         http_inflatestream_object *o;
  87
  88         o = ecalloc(1, sizeof(http_inflatestream_object));
  89         o->zo.ce = ce;
  90
  91         if (ptr) {
  92                 *ptr = o;
  93         }
  94
  95         if (s) {
  96                 o->stream = s;
  97         }
  98
  99 #if PHP_VERSION_ID < 50399
 100         ALLOC_HASHTABLE(OBJ_PROP(o));
 101         zend_hash_init(OBJ_PROP(o), zend_hash_num_elements(&ce->default_properties), NULL, ZVAL_PTR_DTOR, 0);
 102         zend_hash_copy(OBJ_PROP(o), &ce->default_properties, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
 103 #else
 104         object_properties_init(&o->zo, ce);
 105 #endif
 106
 107         ov.handle = putObject(http_inflatestream_object, o);
 108         ov.handlers = &http_inflatestream_object_handlers;
 109
 110         return ov;
 111 }
 112
 113 zend_object_value _http_inflatestream_object_clone_obj(zval *this_ptr TSRMLS_DC)
 114 {
 115         http_encoding_stream *s;
 116         zend_object_value new_ov;
 117         http_inflatestream_object *new_obj = NULL;
 118         getObject(http_inflatestream_object, old_obj);
 119
 120         s = ecalloc(1, sizeof(http_encoding_stream));
 121         s->flags = old_obj->stream->flags;
 122         inflateCopy(&s->stream, &old_obj->stream->stream);
 123         s->stream.opaque = phpstr_dup(s->stream.opaque);
 124
 125         new_ov = http_inflatestream_object_new_ex(old_obj->zo.ce, s, &new_obj);
 126         zend_objects_clone_members(&new_obj->zo, new_ov, &old_obj->zo, Z_OBJ_HANDLE_P(this_ptr) TSRMLS_CC);
 127
 128         return new_ov;
 129 }
 130
 131 void _http_inflatestream_object_free(zend_object *object TSRMLS_DC)
 132 {
 133         http_inflatestream_object *o = (http_inflatestream_object *) object;
 134
 135         if (o->stream) {
 136                 http_encoding_inflate_stream_free(&o->stream);
 137         }
 138         freeObject(o);
 139 }
 140
 141 /* {{{ proto void HttpInflateStream::__construct([int flags = 0])
 142         Creates a new HttpInflateStream object instance. */
 143 PHP_METHOD(HttpInflateStream, __construct)
 144 {
 145         long flags = 0;
 146
 147         SET_EH_THROW_HTTP();
 148         if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &flags)) {
 149                 getObject(http_inflatestream_object, obj);
 150
 151                 if (!obj->stream) {
 152                         obj->stream = http_encoding_inflate_stream_init(NULL, flags & 0x0fffffff);
 153                 } else {
 154                         http_error_ex(HE_WARNING, HTTP_E_ENCODING, "HttpInflateStream cannot be initialized twice");
 155                 }
 156         }
 157         SET_EH_NORMAL();
 158 }
 159 /* }}} */
 160
 161 /* {{{ proto HttpInflateStream HttpInflateStream::factory([int flags[, string class = "HttpInflateStream"]])
 162         Creates a new HttpInflateStream object instance. */
 163 PHP_METHOD(HttpInflateStream, factory)
 164 {
 165         long flags = 0;
 166         char *cn = NULL;
 167         int cl = 0;
 168
 169         SET_EH_THROW_HTTP();
 170         if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ls", &flags, &cn, &cl)) {
 171                 zend_object_value ov;
 172                 http_encoding_stream *s = http_encoding_inflate_stream_init(NULL, flags & 0x0fffffff);
 173
 174                 if (SUCCESS == http_object_new(&ov, cn, cl, _http_inflatestream_object_new_ex, http_inflatestream_object_ce, s, NULL)) {
 175                         RETVAL_OBJVAL(ov, 0);
 176                 }
 177         }
 178         SET_EH_NORMAL();
 179 }
 180 /* }}} */
 181
 182 /* {{{ proto string HttpInflateStream::update(string data)
 183         Passes more data through the inflate stream. */
 184 PHP_METHOD(HttpInflateStream, update)
 185 {
 186         int data_len;
 187         size_t decoded_len = 0;
 188         char *data, *decoded = NULL;
 189         getObject(http_inflatestream_object, obj);
 190
 191         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &data, &data_len)) {
 192                 RETURN_FALSE;
 193         }
 194
 195         if (!data_len) {
 196                 RETURN_STRING("", 1);
 197         }
 198
 199         if (!obj->stream && !(obj->stream = http_encoding_inflate_stream_init(NULL, 0))) {
 200                 RETURN_FALSE;
 201         }
 202
 203         if (SUCCESS == http_encoding_inflate_stream_update(obj->stream, data, data_len, &decoded, &decoded_len)) {
 204                 RETURN_STRINGL(decoded, decoded_len, 0);
 205         } else {
 206                 RETURN_FALSE;
 207         }
 208 }
 209 /* }}} */
 210
 211 /* {{{ proto string HttpInflateStream::flush([string data])
 212         Flush the inflate stream. */
 213 PHP_METHOD(HttpInflateStream, flush)
 214 {
 215         int data_len = 0;
 216         size_t decoded_len = 0;
 217         char *decoded = NULL, *data = NULL;
 218         getObject(http_inflatestream_object, obj);
 219
 220         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &data, &data_len)) {
 221                 RETURN_FALSE;
 222         }
 223
 224         if (!obj->stream && !(obj->stream = http_encoding_inflate_stream_init(NULL, 0))) {
 225                 RETURN_FALSE;
 226         }
 227
 228         /* flushing the inflate stream is a no-op */
 229         if (!data_len) {
 230                 RETURN_STRINGL("", 0, 1);
 231         } else if (SUCCESS == http_encoding_inflate_stream_update(obj->stream, data, data_len, &decoded, &decoded_len)) {
 232                 RETURN_STRINGL(decoded, decoded_len, 0);
 233         } else {
 234                 RETURN_FALSE;
 235         }
 236 }
 237 /* }}} */
 238
 239 /* {{{ proto string HttpInflateStream::finish([string data])
 240         Finalizes the inflate stream.  The inflate stream can be reused after finalizing. */
 241 PHP_METHOD(HttpInflateStream, finish)
 242 {
 243         int data_len = 0;
 244         size_t updated_len = 0, decoded_len = 0;
 245         char *updated = NULL, *decoded = NULL, *data = NULL;
 246         getObject(http_inflatestream_object, obj);
 247
 248         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &data, &data_len)) {
 249                 RETURN_FALSE;
 250         }
 251
 252         if (!obj->stream && !(obj->stream = http_encoding_inflate_stream_init(NULL, 0))) {
 253                 RETURN_FALSE;
 254         }
 255
 256         if (data_len) {
 257                 if (SUCCESS != http_encoding_inflate_stream_update(obj->stream, data, data_len, &updated, &updated_len)) {
 258                         RETURN_FALSE;
 259                 }
 260         }
 261
 262         if (SUCCESS == http_encoding_inflate_stream_finish(obj->stream, &decoded, &decoded_len)) {
 263                 if (updated_len) {
 264                         updated = erealloc(updated, updated_len + decoded_len + 1);
 265                         updated[updated_len + decoded_len] = '\0';
 266                         memcpy(updated + updated_len, decoded, decoded_len);
 267                         STR_FREE(decoded);
 268                         updated_len += decoded_len;
 269                         RETVAL_STRINGL(updated, updated_len, 0);
 270                 } else if (decoded) {
 271                         STR_FREE(updated);
 272                         RETVAL_STRINGL(decoded, decoded_len, 0);
 273                 } else {
 274                         RETVAL_NULL();
 275                 }
 276         } else {
 277                 STR_FREE(updated);
 278                 RETVAL_FALSE;
 279         }
 280
 281         http_encoding_inflate_stream_dtor(obj->stream);
 282         http_encoding_inflate_stream_init(obj->stream, obj->stream->flags);
 283 }
 284 /* }}} */
 285
 286 #endif /* ZEND_ENGINE_2 && HTTP_HAVE_ZLIB*/
 287
 288 /*
 289  * Local variables:
 290  * tab-width: 4
 291  * c-basic-offset: 4
 292  * End:
 293  * vim600: noet sw=4 ts=4 fdm=marker
 294  * vim<600: noet sw=4 ts=4
 295  */
 296