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) 2004-2007, 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_deflatestream_object.h"
  24
  25 #define HTTP_BEGIN_ARGS(method, req_args)       HTTP_BEGIN_ARGS_EX(HttpDeflateStream, method, 0, req_args)
  26 #define HTTP_EMPTY_ARGS(method)                         HTTP_EMPTY_ARGS_EX(HttpDeflateStream, method, 0)
  27 #define HTTP_DEFLATE_ME(method, visibility)     PHP_ME(HttpDeflateStream, method, HTTP_ARGS(HttpDeflateStream, 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_deflatestream_object_ce
  51 zend_class_entry *http_deflatestream_object_ce;
  52 zend_function_entry http_deflatestream_object_fe[] = {
  53         HTTP_DEFLATE_ME(__construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
  54         HTTP_DEFLATE_ME(update, ZEND_ACC_PUBLIC)
  55         HTTP_DEFLATE_ME(flush, ZEND_ACC_PUBLIC)
  56         HTTP_DEFLATE_ME(finish, ZEND_ACC_PUBLIC)
  57
  58         HTTP_DEFLATE_ME(factory, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
  59
  60         EMPTY_FUNCTION_ENTRY
  61 };
  62 static zend_object_handlers http_deflatestream_object_handlers;
  63
  64 PHP_MINIT_FUNCTION(http_deflatestream_object)
  65 {
  66         HTTP_REGISTER_CLASS_EX(HttpDeflateStream, http_deflatestream_object, NULL, 0);
  67         http_deflatestream_object_handlers.clone_obj = _http_deflatestream_object_clone_obj;
  68
  69 #ifndef WONKY
  70         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("TYPE_GZIP")-1, HTTP_DEFLATE_TYPE_GZIP TSRMLS_CC);
  71         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("TYPE_ZLIB")-1, HTTP_DEFLATE_TYPE_ZLIB TSRMLS_CC);
  72         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("TYPE_RAW")-1, HTTP_DEFLATE_TYPE_RAW TSRMLS_CC);
  73         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("LEVEL_DEF")-1, HTTP_DEFLATE_LEVEL_DEF TSRMLS_CC);
  74         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("LEVEL_MIN")-1, HTTP_DEFLATE_LEVEL_MIN TSRMLS_CC);
  75         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("LEVEL_MAX")-1, HTTP_DEFLATE_LEVEL_MAX TSRMLS_CC);
  76         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("STRATEGY_DEF")-1, HTTP_DEFLATE_STRATEGY_DEF TSRMLS_CC);
  77         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("STRATEGY_FILT")-1, HTTP_DEFLATE_STRATEGY_FILT TSRMLS_CC);
  78         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("STRATEGY_HUFF")-1, HTTP_DEFLATE_STRATEGY_HUFF TSRMLS_CC);
  79         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("STRATEGY_RLE")-1, HTTP_DEFLATE_STRATEGY_RLE TSRMLS_CC);
  80         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("STRATEGY_FIXED")-1, HTTP_DEFLATE_STRATEGY_FIXED TSRMLS_CC);
  81         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("FLUSH_NONE")-1, HTTP_ENCODING_STREAM_FLUSH_NONE TSRMLS_CC);
  82         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("FLUSH_SYNC")-1, HTTP_ENCODING_STREAM_FLUSH_SYNC TSRMLS_CC);
  83         zend_declare_class_constant_long(THIS_CE, ZEND_STRS("FLUSH_FULL")-1, HTTP_ENCODING_STREAM_FLUSH_FULL TSRMLS_CC);
  84 #endif
  85
  86         return SUCCESS;
  87 }
  88
  89 zend_object_value _http_deflatestream_object_new(zend_class_entry *ce TSRMLS_DC)
  90 {
  91         return http_deflatestream_object_new_ex(ce, NULL, NULL);
  92 }
  93
  94 zend_object_value _http_deflatestream_object_new_ex(zend_class_entry *ce, http_encoding_stream *s, http_deflatestream_object **ptr TSRMLS_DC)
  95 {
  96         zend_object_value ov;
  97         http_deflatestream_object *o;
  98
  99         o = ecalloc(1, sizeof(http_deflatestream_object));
 100         o->zo.ce = ce;
 101
 102         if (ptr) {
 103                 *ptr = o;
 104         }
 105
 106         if (s) {
 107                 o->stream = s;
 108         }
 109
 110         ALLOC_HASHTABLE(OBJ_PROP(o));
 111         zend_hash_init(OBJ_PROP(o), zend_hash_num_elements(&ce->default_properties), NULL, ZVAL_PTR_DTOR, 0);
 112         zend_hash_copy(OBJ_PROP(o), &ce->default_properties, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
 113
 114         ov.handle = putObject(http_deflatestream_object, o);
 115         ov.handlers = &http_deflatestream_object_handlers;
 116
 117         return ov;
 118 }
 119
 120 zend_object_value _http_deflatestream_object_clone_obj(zval *this_ptr TSRMLS_DC)
 121 {
 122         http_encoding_stream *s;
 123         zend_object_value new_ov;
 124         http_deflatestream_object *new_obj = NULL;
 125         getObject(http_deflatestream_object, old_obj);
 126
 127         s = ecalloc(1, sizeof(http_encoding_stream));
 128         s->flags = old_obj->stream->flags;
 129         deflateCopy(&s->stream, &old_obj->stream->stream);
 130         s->stream.opaque = phpstr_dup(s->stream.opaque);
 131
 132         new_ov = http_deflatestream_object_new_ex(old_obj->zo.ce, s, &new_obj);
 133         zend_objects_clone_members(&new_obj->zo, new_ov, &old_obj->zo, Z_OBJ_HANDLE_P(this_ptr) TSRMLS_CC);
 134
 135         return new_ov;
 136 }
 137
 138 void _http_deflatestream_object_free(zend_object *object TSRMLS_DC)
 139 {
 140         http_deflatestream_object *o = (http_deflatestream_object *) object;
 141
 142         if (o->stream) {
 143                 http_encoding_deflate_stream_free(&o->stream);
 144         }
 145         freeObject(o);
 146 }
 147
 148 /* {{{ proto void HttpDeflateStream::__construct([int flags = 0])
 149         Creates a new HttpDeflateStream object instance. */
 150 PHP_METHOD(HttpDeflateStream, __construct)
 151 {
 152         long flags = 0;
 153
 154         SET_EH_THROW_HTTP();
 155         if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &flags)) {
 156                 getObject(http_deflatestream_object, obj);
 157
 158                 if (!obj->stream) {
 159                         obj->stream = http_encoding_deflate_stream_init(NULL, flags & 0x0fffffff);
 160                 } else {
 161                         http_error_ex(HE_WARNING, HTTP_E_ENCODING, "HttpDeflateStream cannot be initialized twice");
 162                 }
 163         }
 164         SET_EH_NORMAL();
 165 }
 166 /* }}} */
 167
 168 /* {{{ proto HttpDeflateStream HttpDeflateStream::factory([int flags[, string class = "HttpDeflateStream"]])
 169         Creates a new HttpDeflateStream object instance. */
 170 PHP_METHOD(HttpDeflateStream, factory)
 171 {
 172         long flags = 0;
 173         char *cn = NULL;
 174         int cl = 0;
 175
 176         SET_EH_THROW_HTTP();
 177         if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ls", &flags, &cn, &cl)) {
 178                 zend_object_value ov;
 179                 http_encoding_stream *s = http_encoding_deflate_stream_init(NULL, flags & 0x0fffffff);
 180
 181                 if (SUCCESS == http_object_new(&ov, cn, cl, _http_deflatestream_object_new_ex, http_deflatestream_object_ce, s, NULL)) {
 182                         RETVAL_OBJVAL(ov, 0);
 183                 }
 184         }
 185         SET_EH_NORMAL();
 186 }
 187 /* }}} */
 188
 189 /* {{{ proto string HttpDeflateStream::update(string data)
 190         Passes more data through the deflate stream. */
 191 PHP_METHOD(HttpDeflateStream, update)
 192 {
 193         int data_len;
 194         size_t encoded_len = 0;
 195         char *data, *encoded = NULL;
 196         getObject(http_deflatestream_object, obj);
 197
 198         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &data, &data_len)) {
 199                 RETURN_FALSE;
 200         }
 201
 202         if (!obj->stream && !(obj->stream = http_encoding_deflate_stream_init(NULL, 0))) {
 203                 RETURN_FALSE;
 204         }
 205
 206         if (SUCCESS == http_encoding_deflate_stream_update(obj->stream, data, data_len, &encoded, &encoded_len)) {
 207                 RETURN_STRINGL(encoded, encoded_len, 0);
 208         } else {
 209                 RETURN_FALSE;
 210         }
 211 }
 212 /* }}} */
 213
 214 /* {{{ proto string HttpDeflateStream::flush([string data])
 215         Flushes the deflate stream. */
 216 PHP_METHOD(HttpDeflateStream, flush)
 217 {
 218         int data_len = 0;
 219         size_t updated_len = 0, encoded_len = 0;
 220         char *updated = NULL, *encoded = NULL, *data = NULL;
 221         getObject(http_deflatestream_object, obj);
 222
 223         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &data, &data_len)) {
 224                 RETURN_FALSE;
 225         }
 226
 227         if (!obj->stream && !(obj->stream = http_encoding_deflate_stream_init(NULL, 0))) {
 228                 RETURN_FALSE;
 229         }
 230
 231         if (data_len) {
 232                 if (SUCCESS != http_encoding_deflate_stream_update(obj->stream, data, data_len, &updated, &updated_len)) {
 233                         RETURN_FALSE;
 234                 }
 235         }
 236
 237         if (SUCCESS == http_encoding_deflate_stream_flush(obj->stream, &encoded, &encoded_len)) {
 238                 if (updated_len) {
 239                         updated = erealloc(updated, updated_len + encoded_len + 1);
 240                         updated[updated_len + encoded_len] = '\0';
 241                         memcpy(updated + updated_len, encoded, encoded_len);
 242                         STR_FREE(encoded);
 243                         updated_len += encoded_len;
 244                         RETURN_STRINGL(updated, updated_len, 0);
 245                 } else if (encoded) {
 246                         RETVAL_STRINGL(encoded, encoded_len, 0);
 247                 } else {
 248                         RETVAL_NULL();
 249                 }
 250         } else {
 251                 RETVAL_FALSE;
 252         }
 253         STR_FREE(updated);
 254 }
 255 /* }}} */
 256
 257 /* {{{ proto string HttpDeflateStream::finish([string data])
 258         Finalizes the deflate stream.  The deflate stream can be reused after finalizing. */
 259 PHP_METHOD(HttpDeflateStream, finish)
 260 {
 261         int data_len = 0;
 262         size_t updated_len = 0, encoded_len = 0;
 263         char *updated = NULL, *encoded = NULL, *data = NULL;
 264         getObject(http_deflatestream_object, obj);
 265
 266         if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &data, &data_len)) {
 267                 RETURN_FALSE;
 268         }
 269
 270         if (!obj->stream && !(obj->stream = http_encoding_deflate_stream_init(NULL, 0))) {
 271                 RETURN_FALSE;
 272         }
 273
 274         if (data_len) {
 275                 if (SUCCESS != http_encoding_deflate_stream_update(obj->stream, data, data_len, &updated, &updated_len)) {
 276                         RETURN_FALSE;
 277                 }
 278         }
 279
 280         if (SUCCESS == http_encoding_deflate_stream_finish(obj->stream, &encoded, &encoded_len)) {
 281                 if (updated_len) {
 282                         updated = erealloc(updated, updated_len + encoded_len + 1);
 283                         updated[updated_len + encoded_len] = '\0';
 284                         memcpy(updated + updated_len, encoded, encoded_len);
 285                         STR_FREE(encoded);
 286                         updated_len += encoded_len;
 287                         RETVAL_STRINGL(updated, updated_len, 0);
 288                 } else {
 289                         STR_FREE(updated);
 290                         RETVAL_STRINGL(encoded, encoded_len, 0);
 291                 }
 292         } else {
 293                 STR_FREE(updated);
 294                 RETVAL_FALSE;
 295         }
 296
 297         http_encoding_deflate_stream_dtor(obj->stream);
 298         http_encoding_deflate_stream_init(obj->stream, obj->stream->flags);
 299 }
 300 /* }}} */
 301
 302 #endif /* ZEND_ENGINE_2 && HTTP_HAVE_ZLIB*/
 303
 304 /*
 305  * Local variables:
 306  * tab-width: 4
 307  * c-basic-offset: 4
 308  * End:
 309  * vim600: noet sw=4 ts=4 fdm=marker
 310  * vim<600: noet sw=4 ts=4
 311  */
 312