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- /*
- * Copyright (C) 2018 Hein-Pieter van Braam
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- #include <stdlib.h>
- #include <string.h>
- #include <stdio.h>
- #include "ResStringPool.h"
- char* to_char_string(const uint8_t* data, uint32_t length) {
- char* string = (char*) calloc(length + 1, 1);
- for (int i = 0; i < length; ++i) {
- string[i] = *(data + (i * 2));
- }
- return string;
- }
- ResStringPool::ResStringPool() :
- _size(0), _strings(nullptr) {
- }
- ResStringPool::ResStringPool(const uint8_t* data) {
- ResStringPool_header header;
- uint32_t* entries;
- memcpy(&header, data, sizeof(ResStringPool_header));
- if (header.header.type != RES_STRING_POOL_TYPE) {
- printf("Not a ResStringPool!\n");
- return;
- }
- _size = header.stringCount;
- entries = (uint32_t*) (data + header.header.headerSize);
- _strings = (const char**)malloc(_size * sizeof(const char*));
- const uint8_t* stringdata = data + header.stringsStart;
- for (int i = 0; i < _size; ++i) {
- uint32_t offset = entries[i];
- size_t size = *((const uint16_t*)(stringdata + offset));
- if ((size & 0x8000) != 0) {
- offset += 2;
- size = ((size & 0x7FFF) << 16) | *((const uint16_t*)(stringdata + offset));
- }
- offset += 2;
- _strings[i] = to_char_string(stringdata + offset, size);
- }
- }
- const char* ResStringPool::get(int32_t index) const {
- if (index < 0 || index >= _size) {
- return nullptr;
- }
- return _strings[index];
- }
- void ResStringPool::dump() {
- for (int i = 0; i < _size; ++i) {
- printf("String %i: '%s'\n", i, _strings[i]);
- }
- }
- ResStringPool::~ResStringPool() {
- for (int i = 0; i < _size; ++i) {
- free((void*)_strings[i]);
- }
- free(_strings);
- }
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