Remove old decoder files

[io-compress-brotli.git] / dec / state.c

diff --git a/dec/state.c b/dec/state.c
deleted file mode 100644 (file)
index d5815e0..0000000
--- a/dec/state.c
+++ /dev/null
@@ -1,186 +0,0 @@
-/* Copyright 2015 Google Inc. All Rights Reserved.
-
-   Distributed under MIT license.
-   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
-*/
-
-#include "./huffman.h"
-#include "./state.h"
-
-#include <stdlib.h>
-#include <string.h>
-
-#if defined(__cplusplus) || defined(c_plusplus)
-extern "C" {
-#endif
-
-static void* DefaultAllocFunc(void* opaque, size_t size) {
-  BROTLI_UNUSED(opaque);
-  return malloc(size);
-}
-
-static void DefaultFreeFunc(void* opaque, void* address) {
-  BROTLI_UNUSED(opaque);
-  free(address);
-}
-
-void BrotliStateInit(BrotliState* s) {
-  BrotliStateInitWithCustomAllocators(s, 0, 0, 0);
-}
-
-void BrotliStateInitWithCustomAllocators(BrotliState* s,
-    brotli_alloc_func alloc_func, brotli_free_func free_func, void* opaque) {
-  if (!alloc_func) {
-    s->alloc_func = DefaultAllocFunc;
-    s->free_func = DefaultFreeFunc;
-    s->memory_manager_opaque = 0;
-  } else {
-    s->alloc_func = alloc_func;
-    s->free_func = free_func;
-    s->memory_manager_opaque = opaque;
-  }
-
-  BrotliInitBitReader(&s->br);
-  s->state = BROTLI_STATE_UNINITED;
-  s->substate_metablock_header = BROTLI_STATE_METABLOCK_HEADER_NONE;
-  s->substate_tree_group = BROTLI_STATE_TREE_GROUP_NONE;
-  s->substate_context_map = BROTLI_STATE_CONTEXT_MAP_NONE;
-  s->substate_uncompressed = BROTLI_STATE_UNCOMPRESSED_NONE;
-  s->substate_huffman = BROTLI_STATE_HUFFMAN_NONE;
-  s->substate_decode_uint8 = BROTLI_STATE_DECODE_UINT8_NONE;
-  s->substate_read_block_length = BROTLI_STATE_READ_BLOCK_LENGTH_NONE;
-
-  s->buffer_length = 0;
-  s->loop_counter = 0;
-  s->pos = 0;
-  s->rb_roundtrips = 0;
-  s->partial_pos_out = 0;
-
-  s->block_type_trees = NULL;
-  s->block_len_trees = NULL;
-  s->ringbuffer = NULL;
-
-  s->context_map = NULL;
-  s->context_modes = NULL;
-  s->dist_context_map = NULL;
-  s->context_map_slice = NULL;
-  s->dist_context_map_slice = NULL;
-
-  s->sub_loop_counter = 0;
-
-  s->literal_hgroup.codes = NULL;
-  s->literal_hgroup.htrees = NULL;
-  s->insert_copy_hgroup.codes = NULL;
-  s->insert_copy_hgroup.htrees = NULL;
-  s->distance_hgroup.codes = NULL;
-  s->distance_hgroup.htrees = NULL;
-
-
-  s->custom_dict = NULL;
-  s->custom_dict_size = 0;
-
-  s->is_last_metablock = 0;
-  s->window_bits = 0;
-  s->max_distance = 0;
-  s->dist_rb[0] = 16;
-  s->dist_rb[1] = 15;
-  s->dist_rb[2] = 11;
-  s->dist_rb[3] = 4;
-  s->dist_rb_idx = 0;
-  s->block_type_trees = NULL;
-  s->block_len_trees = NULL;
-
-  /* Make small negative indexes addressable. */
-  s->symbol_lists = &s->symbols_lists_array[BROTLI_HUFFMAN_MAX_CODE_LENGTH + 1];
-
-  s->mtf_upper_bound = 255;
-
-  s->legacy_input_buffer = 0;
-  s->legacy_output_buffer = 0;
-  s->legacy_input_len = 0;
-  s->legacy_output_len = 0;
-  s->legacy_input_pos = 0;
-  s->legacy_output_pos = 0;
-}
-
-void BrotliStateMetablockBegin(BrotliState* s) {
-  s->meta_block_remaining_len = 0;
-  s->block_length[0] = 1U << 28;
-  s->block_length[1] = 1U << 28;
-  s->block_length[2] = 1U << 28;
-  s->num_block_types[0] = 1;
-  s->num_block_types[1] = 1;
-  s->num_block_types[2] = 1;
-  s->block_type_rb[0] = 1;
-  s->block_type_rb[1] = 0;
-  s->block_type_rb[2] = 1;
-  s->block_type_rb[3] = 0;
-  s->block_type_rb[4] = 1;
-  s->block_type_rb[5] = 0;
-  s->context_map = NULL;
-  s->context_modes = NULL;
-  s->dist_context_map = NULL;
-  s->context_map_slice = NULL;
-  s->literal_htree_index = 0;
-  s->literal_htree = NULL;
-  s->dist_context_map_slice = NULL;
-  s->dist_htree_index = 0;
-  s->context_lookup1 = NULL;
-  s->context_lookup2 = NULL;
-  s->literal_hgroup.codes = NULL;
-  s->literal_hgroup.htrees = NULL;
-  s->insert_copy_hgroup.codes = NULL;
-  s->insert_copy_hgroup.htrees = NULL;
-  s->distance_hgroup.codes = NULL;
-  s->distance_hgroup.htrees = NULL;
-}
-
-void BrotliStateCleanupAfterMetablock(BrotliState* s) {
-  BROTLI_FREE(s, s->context_modes);
-  BROTLI_FREE(s, s->context_map);
-  BROTLI_FREE(s, s->dist_context_map);
-
-  BrotliHuffmanTreeGroupRelease(s, &s->literal_hgroup);
-  BrotliHuffmanTreeGroupRelease(s, &s->insert_copy_hgroup);
-  BrotliHuffmanTreeGroupRelease(s, &s->distance_hgroup);
-}
-
-void BrotliStateCleanup(BrotliState* s) {
-  BrotliStateCleanupAfterMetablock(s);
-
-  BROTLI_FREE(s, s->ringbuffer);
-  BROTLI_FREE(s, s->block_type_trees);
-  BROTLI_FREE(s, s->legacy_input_buffer);
-  BROTLI_FREE(s, s->legacy_output_buffer);
-}
-
-int BrotliStateIsStreamStart(const BrotliState* s) {
-  return (s->state == BROTLI_STATE_UNINITED &&
-      BrotliGetAvailableBits(&s->br) == 0);
-}
-
-int BrotliStateIsStreamEnd(const BrotliState* s) {
-  return s->state == BROTLI_STATE_DONE;
-}
-
-void BrotliHuffmanTreeGroupInit(BrotliState* s, HuffmanTreeGroup* group,
-    uint32_t alphabet_size, uint32_t ntrees) {
-  /* Pack two allocations into one */
-  const size_t code_size =
-      sizeof(HuffmanCode) * (size_t)(ntrees * BROTLI_HUFFMAN_MAX_TABLE_SIZE);
-  const size_t htree_size = sizeof(HuffmanCode*) * (size_t)ntrees;
-  char *p = (char*)BROTLI_ALLOC(s, code_size + htree_size);
-  group->alphabet_size = (uint16_t)alphabet_size;
-  group->num_htrees = (uint16_t)ntrees;
-  group->codes = (HuffmanCode*)p;
-  group->htrees = (HuffmanCode**)(p + code_size);
-}
-
-void BrotliHuffmanTreeGroupRelease(BrotliState* s, HuffmanTreeGroup* group) {
-  BROTLI_FREE(s, group->codes);
-  group->htrees = NULL;
-}
-
-#if defined(__cplusplus) || defined(c_plusplus)
-} /* extern "C" */
-#endif