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+/* Copyright 2017 Google Inc. All Rights Reserved.
+
+ Distributed under MIT license.
+ See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+/* (Transparent) Shared Dictionary definition. */
+
+#ifndef BROTLI_COMMON_SHARED_DICTIONARY_INTERNAL_H_
+#define BROTLI_COMMON_SHARED_DICTIONARY_INTERNAL_H_
+
+#include <brotli/shared_dictionary.h>
+#include <brotli/types.h>
+
+#include "dictionary.h"
+#include "transform.h"
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+struct BrotliSharedDictionaryStruct {
+ /* LZ77 prefixes (compound dictionary). */
+ uint32_t num_prefix; /* max SHARED_BROTLI_MAX_COMPOUND_DICTS */
+ size_t prefix_size[SHARED_BROTLI_MAX_COMPOUND_DICTS];
+ const uint8_t* prefix[SHARED_BROTLI_MAX_COMPOUND_DICTS];
+
+ /* If set, the context map is used to select word and transform list from 64
+ contexts, if not set, the context map is not used and only words[0] and
+ transforms[0] are to be used. */
+ BROTLI_BOOL context_based;
+
+ uint8_t context_map[SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS];
+
+ /* Amount of word_list+transform_list combinations. */
+ uint8_t num_dictionaries;
+
+ /* Must use num_dictionaries values. */
+ const BrotliDictionary* words[SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS];
+
+ /* Must use num_dictionaries values. */
+ const BrotliTransforms* transforms[SHARED_BROTLI_NUM_DICTIONARY_CONTEXTS];
+
+ /* Amount of custom word lists. May be 0 if only Brotli's built-in is used */
+ uint8_t num_word_lists;
+
+ /* Contents of the custom words lists. Must be NULL if num_word_lists is 0. */
+ BrotliDictionary* words_instances;
+
+ /* Amount of custom transform lists. May be 0 if only Brotli's built-in is
+ used */
+ uint8_t num_transform_lists;
+
+ /* Contents of the custom transform lists. Must be NULL if num_transform_lists
+ is 0. */
+ BrotliTransforms* transforms_instances;
+
+ /* Concatenated prefix_suffix_maps of the custom transform lists. Must be NULL
+ if num_transform_lists is 0. */
+ uint16_t* prefix_suffix_maps;
+
+ /* Memory management */
+ brotli_alloc_func alloc_func;
+ brotli_free_func free_func;
+ void* memory_manager_opaque;
+};
+
+typedef struct BrotliSharedDictionaryStruct BrotliSharedDictionaryInternal;
+#define BrotliSharedDictionary BrotliSharedDictionaryInternal
+
+#if defined(__cplusplus) || defined(c_plusplus)
+} /* extern "C" */
+#endif
+
+#endif /* BROTLI_COMMON_SHARED_DICTIONARY_INTERNAL_H_ */