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/*
+--------------------------------------------------------------------+
| PECL :: http |
+--------------------------------------------------------------------+
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the conditions mentioned |
| in the accompanying LICENSE file are met. |
+--------------------------------------------------------------------+
| Copyright (c) 2004-2014, Michael Wallner <mike@php.net> |
+--------------------------------------------------------------------+
*/
#ifndef PHP_HTTP_ENCODING_H
#define PHP_HTTP_ENCODING_H
#include <zlib.h>
extern PHP_MINIT_FUNCTION(http_encoding);
extern PHP_RINIT_FUNCTION(http_encoding);
extern PHP_RSHUTDOWN_FUNCTION(http_encoding);
#define PHP_HTTP_INFLATE_ROUNDS 100
#define PHP_HTTP_DEFLATE_BUFFER_SIZE_GUESS(S) \
(((size_t) ((double) S * (double) 1.015)) + 10 + 8 + 4 + 1)
#define PHP_HTTP_INFLATE_BUFFER_SIZE_GUESS(S) \
(((S) + 1) << 3)
#define PHP_HTTP_INFLATE_BUFFER_SIZE_ALIGN(S) \
((S) += (S) >> (3))
#define PHP_HTTP_DEFLATE_BUFFER_SIZE 0x8000
#define PHP_HTTP_INFLATE_BUFFER_SIZE 0x1000
#define PHP_HTTP_DEFLATE_LEVEL_DEF 0x00000000
#define PHP_HTTP_DEFLATE_LEVEL_MIN 0x00000001
#define PHP_HTTP_DEFLATE_LEVEL_MAX 0x00000009
#define PHP_HTTP_DEFLATE_TYPE_ZLIB 0x00000000
#define PHP_HTTP_DEFLATE_TYPE_GZIP 0x00000010
#define PHP_HTTP_DEFLATE_TYPE_RAW 0x00000020
#define PHP_HTTP_DEFLATE_STRATEGY_DEF 0x00000000
#define PHP_HTTP_DEFLATE_STRATEGY_FILT 0x00000100
#define PHP_HTTP_DEFLATE_STRATEGY_HUFF 0x00000200
#define PHP_HTTP_DEFLATE_STRATEGY_RLE 0x00000300
#define PHP_HTTP_DEFLATE_STRATEGY_FIXED 0x00000400
#define PHP_HTTP_DEFLATE_LEVEL_SET(flags, level) \
switch (flags & 0xf) \
{ \
default: \
if ((flags & 0xf) < 10) { \
level = flags & 0xf; \
break; \
} \
case PHP_HTTP_DEFLATE_LEVEL_DEF: \
level = Z_DEFAULT_COMPRESSION; \
break; \
}
#define PHP_HTTP_DEFLATE_WBITS_SET(flags, wbits) \
switch (flags & 0xf0) \
{ \
case PHP_HTTP_DEFLATE_TYPE_GZIP: \
wbits = PHP_HTTP_WINDOW_BITS_GZIP; \
break; \
case PHP_HTTP_DEFLATE_TYPE_RAW: \
wbits = PHP_HTTP_WINDOW_BITS_RAW; \
break; \
default: \
wbits = PHP_HTTP_WINDOW_BITS_ZLIB; \
break; \
}
#define PHP_HTTP_INFLATE_WBITS_SET(flags, wbits) \
if (flags & PHP_HTTP_INFLATE_TYPE_RAW) { \
wbits = PHP_HTTP_WINDOW_BITS_RAW; \
} else { \
wbits = PHP_HTTP_WINDOW_BITS_ANY; \
}
#define PHP_HTTP_DEFLATE_STRATEGY_SET(flags, strategy) \
switch (flags & 0xf00) \
{ \
case PHP_HTTP_DEFLATE_STRATEGY_FILT: \
strategy = Z_FILTERED; \
break; \
case PHP_HTTP_DEFLATE_STRATEGY_HUFF: \
strategy = Z_HUFFMAN_ONLY; \
break; \
case PHP_HTTP_DEFLATE_STRATEGY_RLE: \
strategy = Z_RLE; \
break; \
case PHP_HTTP_DEFLATE_STRATEGY_FIXED: \
strategy = Z_FIXED; \
break; \
default: \
strategy = Z_DEFAULT_STRATEGY; \
break; \
}
#define PHP_HTTP_WINDOW_BITS_ZLIB 0x0000000f
#define PHP_HTTP_WINDOW_BITS_GZIP 0x0000001f
#define PHP_HTTP_WINDOW_BITS_ANY 0x0000002f
#define PHP_HTTP_WINDOW_BITS_RAW -0x000000f
#ifndef Z_FIXED
/* Z_FIXED does not exist prior 1.2.2.2 */
# define Z_FIXED 0
#endif
#define PHP_HTTP_INFLATE_TYPE_ZLIB 0x00000000
#define PHP_HTTP_INFLATE_TYPE_GZIP 0x00000000
#define PHP_HTTP_INFLATE_TYPE_RAW 0x00000001
#define PHP_HTTP_ENCODING_STREAM_FLUSH_NONE 0x00000000
#define PHP_HTTP_ENCODING_STREAM_FLUSH_SYNC 0x00100000
#define PHP_HTTP_ENCODING_STREAM_FLUSH_FULL 0x00200000
#define PHP_HTTP_ENCODING_STREAM_FLUSH_FLAG(f) \
(((f) & PHP_HTTP_ENCODING_STREAM_FLUSH_FULL) ? Z_FULL_FLUSH : \
(((f) & PHP_HTTP_ENCODING_STREAM_FLUSH_SYNC) ? Z_SYNC_FLUSH : Z_NO_FLUSH))
#define PHP_HTTP_ENCODING_STREAM_PERSISTENT 0x01000000
typedef struct php_http_encoding_stream php_http_encoding_stream_t;
typedef php_http_encoding_stream_t *(*php_http_encoding_stream_init_func_t)(php_http_encoding_stream_t *s);
typedef php_http_encoding_stream_t *(*php_http_encoding_stream_copy_func_t)(php_http_encoding_stream_t *from, php_http_encoding_stream_t *to);
typedef ZEND_RESULT_CODE (*php_http_encoding_stream_update_func_t)(php_http_encoding_stream_t *s, const char *in_str, size_t in_len, char **out_str, size_t *out_len);
typedef ZEND_RESULT_CODE (*php_http_encoding_stream_flush_func_t)(php_http_encoding_stream_t *s, char **out_str, size_t *out_len);
typedef zend_bool (*php_http_encoding_stream_done_func_t)(php_http_encoding_stream_t *s);
typedef ZEND_RESULT_CODE (*php_http_encoding_stream_finish_func_t)(php_http_encoding_stream_t *s, char **out_str, size_t *out_len);
typedef void (*php_http_encoding_stream_dtor_func_t)(php_http_encoding_stream_t *s);
typedef struct php_http_encoding_stream_ops {
php_http_encoding_stream_init_func_t init;
php_http_encoding_stream_copy_func_t copy;
php_http_encoding_stream_update_func_t update;
php_http_encoding_stream_flush_func_t flush;
php_http_encoding_stream_done_func_t done;
php_http_encoding_stream_finish_func_t finish;
php_http_encoding_stream_dtor_func_t dtor;
} php_http_encoding_stream_ops_t;
struct php_http_encoding_stream {
unsigned flags;
void *ctx;
php_http_encoding_stream_ops_t *ops;
#ifdef ZTS
void ***ts;
#endif
};
PHP_HTTP_API php_http_encoding_stream_ops_t *php_http_encoding_stream_get_deflate_ops(void);
PHP_HTTP_API php_http_encoding_stream_ops_t *php_http_encoding_stream_get_inflate_ops(void);
PHP_HTTP_API php_http_encoding_stream_ops_t *php_http_encoding_stream_get_dechunk_ops(void);
PHP_HTTP_API php_http_encoding_stream_t *php_http_encoding_stream_init(php_http_encoding_stream_t *s, php_http_encoding_stream_ops_t *ops, unsigned flags TSRMLS_DC);
PHP_HTTP_API php_http_encoding_stream_t *php_http_encoding_stream_copy(php_http_encoding_stream_t *from, php_http_encoding_stream_t *to);
PHP_HTTP_API ZEND_RESULT_CODE php_http_encoding_stream_reset(php_http_encoding_stream_t **s);
PHP_HTTP_API ZEND_RESULT_CODE php_http_encoding_stream_update(php_http_encoding_stream_t *s, const char *in_str, size_t in_len, char **out_str, size_t *out_len);
PHP_HTTP_API ZEND_RESULT_CODE php_http_encoding_stream_flush(php_http_encoding_stream_t *s, char **out_str, size_t *len);
PHP_HTTP_API zend_bool php_http_encoding_stream_done(php_http_encoding_stream_t *s);
PHP_HTTP_API ZEND_RESULT_CODE php_http_encoding_stream_finish(php_http_encoding_stream_t *s, char **out_str, size_t *len);
PHP_HTTP_API void php_http_encoding_stream_dtor(php_http_encoding_stream_t *s);
PHP_HTTP_API void php_http_encoding_stream_free(php_http_encoding_stream_t **s);
PHP_HTTP_API const char *php_http_encoding_dechunk(const char *encoded, size_t encoded_len, char **decoded, size_t *decoded_len TSRMLS_DC);
PHP_HTTP_API ZEND_RESULT_CODE php_http_encoding_deflate(int flags, const char *data, size_t data_len, char **encoded, size_t *encoded_len TSRMLS_DC);
PHP_HTTP_API ZEND_RESULT_CODE php_http_encoding_inflate(const char *data, size_t data_len, char **decoded, size_t *decoded_len TSRMLS_DC);
typedef struct php_http_encoding_stream_object {
zend_object zo;
zend_object_value zv;
php_http_encoding_stream_t *stream;
} php_http_encoding_stream_object_t;
PHP_HTTP_API zend_class_entry *php_http_encoding_stream_class_entry;
zend_object_value php_http_encoding_stream_object_new(zend_class_entry *ce TSRMLS_DC);
zend_object_value php_http_encoding_stream_object_new_ex(zend_class_entry *ce, php_http_encoding_stream_t *s, php_http_encoding_stream_object_t **ptr TSRMLS_DC);
zend_object_value php_http_encoding_stream_object_clone(zval *object TSRMLS_DC);
void php_http_encoding_stream_object_free(void *object TSRMLS_DC);
PHP_HTTP_API zend_class_entry *php_http_deflate_stream_class_entry;
PHP_HTTP_API zend_class_entry *php_http_inflate_stream_class_entry;
PHP_HTTP_API zend_class_entry *php_http_dechunk_stream_class_entry;
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
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