5c541f6e36
This is to allow idmap2 to access ConfigDescription. Test: libandroidfw_tests Test: aapt2_tests Change-Id: I54210bbbd8dad5903cb7100807df977efa394ad5 Merged-In: I54210bbbd8dad5903cb7100807df977efa394ad5
96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
/*
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* Copyright (C) 2016 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/Util.h"
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#include <algorithm>
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#include <string>
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#include "utils/ByteOrder.h"
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#include "utils/Unicode.h"
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#ifdef _WIN32
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#ifdef ERROR
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#undef ERROR
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#endif
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#endif
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namespace android {
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namespace util {
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void ReadUtf16StringFromDevice(const uint16_t* src, size_t len, std::string* out) {
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char buf[5];
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while (*src && len != 0) {
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char16_t c = static_cast<char16_t>(dtohs(*src));
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utf16_to_utf8(&c, 1, buf, sizeof(buf));
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out->append(buf, strlen(buf));
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++src;
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--len;
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}
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}
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std::u16string Utf8ToUtf16(const StringPiece& utf8) {
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ssize_t utf16_length =
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utf8_to_utf16_length(reinterpret_cast<const uint8_t*>(utf8.data()), utf8.length());
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if (utf16_length <= 0) {
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return {};
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}
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std::u16string utf16;
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utf16.resize(utf16_length);
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utf8_to_utf16(reinterpret_cast<const uint8_t*>(utf8.data()), utf8.length(), &*utf16.begin(),
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utf16_length + 1);
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return utf16;
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}
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std::string Utf16ToUtf8(const StringPiece16& utf16) {
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ssize_t utf8_length = utf16_to_utf8_length(utf16.data(), utf16.length());
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if (utf8_length <= 0) {
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return {};
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}
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std::string utf8;
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utf8.resize(utf8_length);
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utf16_to_utf8(utf16.data(), utf16.length(), &*utf8.begin(), utf8_length + 1);
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return utf8;
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}
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static std::vector<std::string> SplitAndTransform(
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const StringPiece& str, char sep, const std::function<char(char)>& f) {
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std::vector<std::string> parts;
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const StringPiece::const_iterator end = std::end(str);
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StringPiece::const_iterator start = std::begin(str);
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StringPiece::const_iterator current;
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do {
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current = std::find(start, end, sep);
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parts.emplace_back(str.substr(start, current).to_string());
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if (f) {
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std::string& part = parts.back();
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std::transform(part.begin(), part.end(), part.begin(), f);
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}
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start = current + 1;
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} while (current != end);
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return parts;
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}
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std::vector<std::string> SplitAndLowercase(const StringPiece& str, char sep) {
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return SplitAndTransform(str, sep, ::tolower);
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}
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} // namespace util
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} // namespace android
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