| modification, are permitted provided that the conditions mentioned |
| in the accompanying LICENSE file are met. |
+--------------------------------------------------------------------+
- | Copyright (c) 2004-2005, Michael Wallner <mike@php.net> |
+ | Copyright (c) 2004-2010, Michael Wallner <mike@php.net> |
+--------------------------------------------------------------------+
*/
#define http_encoding_dechunk(e, el, d, dl) _http_encoding_dechunk((e), (el), (d), (dl) TSRMLS_CC)
PHP_HTTP_API const char *_http_encoding_dechunk(const char *encoded, size_t encoded_len, char **decoded, size_t *decoded_len TSRMLS_DC);
-#define http_encoding_response_start(cl) _http_encoding_response_start((cl) TSRMLS_CC)
-PHP_HTTP_API int _http_encoding_response_start(size_t content_length TSRMLS_DC);
+#define http_encoding_response_start(cl, i) _http_encoding_response_start((cl), (i) TSRMLS_CC)
+PHP_HTTP_API int _http_encoding_response_start(size_t content_length, zend_bool ignore_http_ohandler TSRMLS_DC);
#ifdef HTTP_HAVE_ZLIB
extern PHP_RINIT_FUNCTION(http_encoding);
extern PHP_RSHUTDOWN_FUNCTION(http_encoding);
-/* 100% compression should be fairly good */
-#define HTTP_ENCODING_MAXTRY 100
-/* safe padding */
-#define HTTP_ENCODING_SAFPAD 28
-/* add 1% extra space in case we need to encode widely differing (binary) data */
-#define HTTP_ENCODING_BUFLEN(l) (l + (l / 100) + HTTP_ENCODING_SAFPAD)
-
-typedef enum {
+typedef enum _http_encoding_type_t {
HTTP_ENCODING_NONE,
HTTP_ENCODING_GZIP,
HTTP_ENCODING_DEFLATE,
} http_encoding_type;
+#define HTTP_INFLATE_ROUNDS 100
+
+#define HTTP_DEFLATE_BUFFER_SIZE_GUESS(S) \
+ (((size_t) ((double) S * (double) 1.015)) + 10 + 8 + 4 + 1)
+#define HTTP_INFLATE_BUFFER_SIZE_GUESS(S) \
+ (((S) + 1) << 3)
+#define HTTP_INFLATE_BUFFER_SIZE_ALIGN(S) \
+ ((S) += (S) >> (3))
+
+#define HTTP_DEFLATE_BUFFER_SIZE 0x8000
+#define HTTP_INFLATE_BUFFER_SIZE 0x1000
+
#define HTTP_DEFLATE_LEVEL_DEF 0x00000000
#define HTTP_DEFLATE_LEVEL_MIN 0x00000001
-#define HTTP_DEFLATE_LEVEL_MAX 0x00000002
+#define HTTP_DEFLATE_LEVEL_MAX 0x00000009
#define HTTP_DEFLATE_TYPE_ZLIB 0x00000000
#define HTTP_DEFLATE_TYPE_GZIP 0x00000010
#define HTTP_DEFLATE_TYPE_RAW 0x00000020
#define HTTP_DEFLATE_STRATEGY_RLE 0x00000300
#define HTTP_DEFLATE_STRATEGY_FIXED 0x00000400
+#define HTTP_DEFLATE_LEVEL_SET(flags, level) \
+ switch (flags & 0xf) \
+ { \
+ default: \
+ if ((flags & 0xf) < 10) { \
+ level = flags & 0xf; \
+ break; \
+ } \
+ case HTTP_DEFLATE_LEVEL_DEF: \
+ level = Z_DEFAULT_COMPRESSION; \
+ break; \
+ }
+
+#define HTTP_DEFLATE_WBITS_SET(flags, wbits) \
+ switch (flags & 0xf0) \
+ { \
+ case HTTP_DEFLATE_TYPE_GZIP: \
+ wbits = HTTP_WINDOW_BITS_GZIP; \
+ break; \
+ case HTTP_DEFLATE_TYPE_RAW: \
+ wbits = HTTP_WINDOW_BITS_RAW; \
+ break; \
+ default: \
+ wbits = HTTP_WINDOW_BITS_ZLIB; \
+ break; \
+ }
+
+#define HTTP_INFLATE_WBITS_SET(flags, wbits) \
+ if (flags & HTTP_INFLATE_TYPE_RAW) { \
+ wbits = HTTP_WINDOW_BITS_RAW; \
+} else { \
+ wbits = HTTP_WINDOW_BITS_ANY; \
+}
+
+#define HTTP_DEFLATE_STRATEGY_SET(flags, strategy) \
+ switch (flags & 0xf00) \
+ { \
+ case HTTP_DEFLATE_STRATEGY_FILT: \
+ strategy = Z_FILTERED; \
+ break; \
+ case HTTP_DEFLATE_STRATEGY_HUFF: \
+ strategy = Z_HUFFMAN_ONLY; \
+ break; \
+ case HTTP_DEFLATE_STRATEGY_RLE: \
+ strategy = Z_RLE; \
+ break; \
+ case HTTP_DEFLATE_STRATEGY_FIXED: \
+ strategy = Z_FIXED; \
+ break; \
+ default: \
+ strategy = Z_DEFAULT_STRATEGY; \
+ break; \
+ }
+
+#define HTTP_WINDOW_BITS_ZLIB 0x0000000f
+#define HTTP_WINDOW_BITS_GZIP 0x0000001f
+#define HTTP_WINDOW_BITS_ANY 0x0000002f
+#define HTTP_WINDOW_BITS_RAW -0x000000f
+
+#ifndef Z_FIXED
+/* Z_FIXED does not exist prior 1.2.2.2 */
+# define Z_FIXED 0
+#endif
+
#define HTTP_INFLATE_TYPE_ZLIB 0x00000000
#define HTTP_INFLATE_TYPE_GZIP 0x00000000
#define HTTP_INFLATE_TYPE_RAW 0x00000001
+#define HTTP_ENCODING_STREAM_FLUSH_NONE 0x00000000
+#define HTTP_ENCODING_STREAM_FLUSH_SYNC 0x00100000
+#define HTTP_ENCODING_STREAM_FLUSH_FULL 0x00200000
+
+#define HTTP_ENCODING_STREAM_FLUSH_FLAG(f) \
+ (((f) & HTTP_ENCODING_STREAM_FLUSH_FULL) ? Z_FULL_FLUSH : \
+ (((f) & HTTP_ENCODING_STREAM_FLUSH_SYNC) ? Z_SYNC_FLUSH : Z_NO_FLUSH))
+
#define HTTP_ENCODING_STREAM_PERSISTENT 0x01000000
-typedef struct {
+typedef struct _http_encoding_stream_t {
z_stream stream;
int flags;
void *storage;
PHP_HTTP_API void _http_encoding_inflate_stream_free(http_encoding_stream **s TSRMLS_DC);
#define http_ob_deflatehandler(o, ol, h, hl, m) _http_ob_deflatehandler((o), (ol), (h), (hl), (m) TSRMLS_CC)
-void _http_ob_deflatehandler(char *, uint, char **, uint *, int TSRMLS_DC);
+extern void _http_ob_deflatehandler(char *, uint, char **, uint *, int TSRMLS_DC);
#define http_ob_inflatehandler(o, ol, h, hl, m) _http_ob_inflatehandler((o), (ol), (h), (hl), (m) TSRMLS_CC)
-void _http_ob_inflatehandler(char *, uint, char **, uint *, int TSRMLS_DC);
+extern void _http_ob_inflatehandler(char *, uint, char **, uint *, int TSRMLS_DC);
+
#endif /* HTTP_HAVE_ZLIB */
#endif