X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-http;a=blobdiff_plain;f=src%2Fphp_http_encoding.h;fp=src%2Fphp_http_encoding.h;h=ea767dd1f267526e92afaa574711bbb92e3c40d5;hp=0000000000000000000000000000000000000000;hb=57e944b102006abfa4005337b0ac5901425f4289;hpb=95433e1b55cd256df3fe3b6240ded359e8ba09a6 diff --git a/src/php_http_encoding.h b/src/php_http_encoding.h new file mode 100644 index 0000000..ea767dd --- /dev/null +++ b/src/php_http_encoding.h @@ -0,0 +1,193 @@ +/* + +--------------------------------------------------------------------+ + | 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 | + +--------------------------------------------------------------------+ +*/ + +#ifndef PHP_HTTP_ENCODING_H +#define PHP_HTTP_ENCODING_H + +#include + +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; +}; + +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); +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); +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); +PHP_HTTP_API ZEND_RESULT_CODE php_http_encoding_inflate(const char *data, size_t data_len, char **decoded, size_t *decoded_len); + +typedef struct php_http_encoding_stream_object { + php_http_encoding_stream_t *stream; + zend_object zo; +} php_http_encoding_stream_object_t; + +PHP_HTTP_API zend_class_entry *php_http_encoding_stream_class_entry; + +zend_object *php_http_encoding_stream_object_new(zend_class_entry *ce); +php_http_encoding_stream_object_t *php_http_encoding_stream_object_new_ex(zend_class_entry *ce, php_http_encoding_stream_t *s); +zend_object *php_http_encoding_stream_object_clone(zval *object); +void php_http_encoding_stream_object_free(zend_object *object); + +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 + */