58cf8e3ffa
Test: m checkbuild continuous_instrumentation_tests continuous_instrumentation_tests_api_coverage continuous_native_tests device-tests platform_tests Exempt-From-Owner-Approval: mechanical mass refactoring Change-Id: I3117833c51cdb333cccdfd159d1582f2adef77db
132 lines
4.1 KiB
C++
132 lines
4.1 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "androidfw/ResourceUtils.h"
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namespace android {
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bool ExtractResourceName(const StringPiece& str, StringPiece* out_package, StringPiece* out_type,
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StringPiece* out_entry) {
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*out_package = "";
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*out_type = "";
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bool has_package_separator = false;
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bool has_type_separator = false;
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const char* start = str.data();
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const char* end = start + str.size();
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if (start[0] == '@') {
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start++;
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}
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const char* current = start;
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while (current != end) {
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if (out_type->size() == 0 && *current == '/') {
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has_type_separator = true;
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out_type->assign(start, current - start);
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start = current + 1;
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} else if (out_package->size() == 0 && *current == ':') {
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has_package_separator = true;
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out_package->assign(start, current - start);
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start = current + 1;
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}
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current++;
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}
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out_entry->assign(start, end - start);
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return !(has_package_separator && out_package->empty()) &&
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!(has_type_separator && out_type->empty());
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}
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base::expected<AssetManager2::ResourceName, NullOrIOError> ToResourceName(
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const StringPoolRef& type_string_ref, const StringPoolRef& entry_string_ref,
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const StringPiece& package_name) {
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AssetManager2::ResourceName name{
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.package = package_name.data(),
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.package_len = package_name.size(),
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};
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if (base::expected<StringPiece, NullOrIOError> type_str = type_string_ref.string8();
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type_str.ok()) {
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name.type = type_str->data();
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name.type_len = type_str->size();
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} else if (UNLIKELY(IsIOError(type_str))) {
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return base::unexpected(type_str.error());
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}
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if (name.type == nullptr) {
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if (base::expected<StringPiece16, NullOrIOError> type16_str = type_string_ref.string16();
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type16_str.ok()) {
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name.type16 = type16_str->data();
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name.type_len = type16_str->size();
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} else if (!type16_str.has_value()) {
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return base::unexpected(type16_str.error());
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}
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}
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if (base::expected<StringPiece, NullOrIOError> entry_str = entry_string_ref.string8();
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entry_str.ok()) {
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name.entry = entry_str->data();
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name.entry_len = entry_str->size();
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} else if (UNLIKELY(IsIOError(entry_str))) {
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return base::unexpected(entry_str.error());
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}
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if (name.entry == nullptr) {
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if (base::expected<StringPiece16, NullOrIOError> entry16_str = entry_string_ref.string16();
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entry16_str.ok()) {
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name.entry16 = entry16_str->data();
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name.entry_len = entry16_str->size();
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} else if (!entry16_str.has_value()) {
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return base::unexpected(entry16_str.error());
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}
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}
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return name;
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}
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std::string ToFormattedResourceString(const AssetManager2::ResourceName& resource_name) {
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std::string result;
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if (resource_name.package != nullptr) {
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result.append(resource_name.package, resource_name.package_len);
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}
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if (resource_name.type != nullptr || resource_name.type16 != nullptr) {
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if (!result.empty()) {
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result += ":";
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}
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if (resource_name.type != nullptr) {
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result.append(resource_name.type, resource_name.type_len);
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} else {
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result += util::Utf16ToUtf8(StringPiece16(resource_name.type16, resource_name.type_len));
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}
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}
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if (resource_name.entry != nullptr || resource_name.entry16 != nullptr) {
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if (!result.empty()) {
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result += "/";
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}
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if (resource_name.entry != nullptr) {
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result.append(resource_name.entry, resource_name.entry_len);
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} else {
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result += util::Utf16ToUtf8(StringPiece16(resource_name.entry16, resource_name.entry_len));
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}
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}
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return result;
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}
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} // namespace android
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