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66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
/**
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* Copyright (c) 2014 ownCloud GmbH. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; version 2.1 of the License
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*/
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#ifndef STRINGUTIL_H
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#define STRINGUTIL_H
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#pragma once
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#include <string>
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#include <cassert>
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class __declspec(dllexport) StringUtil {
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public:
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static std::string toUtf8(const wchar_t* utf16, int len = -1);
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static std::wstring toUtf16(const char* utf8, int len = -1);
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template<class T>
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static bool begins_with(const T& input, const T& match)
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{
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return input.size() >= match.size()
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&& std::equal(match.begin(), match.end(), input.begin());
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}
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static bool isDescendantOf(const std::wstring& child, const std::wstring& parent) {
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return isDescendantOf(child.c_str(), child.size(), parent.c_str(), parent.size());
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}
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static bool isDescendantOf(PCWSTR child, size_t childLength, const std::wstring& parent) {
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return isDescendantOf(child, childLength, parent.c_str(), parent.size());
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}
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static bool isDescendantOf(PCWSTR child, size_t childLength, PCWSTR parent, size_t parentLength) {
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if (!parentLength)
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return false;
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return (childLength == parentLength || childLength > parentLength && (child[parentLength] == L'\\' || child[parentLength - 1] == L'\\'))
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&& wcsncmp(child, parent, parentLength) == 0;
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}
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static bool extractChunks(const std::wstring &source, std::wstring &secondChunk, std::wstring &thirdChunk) {
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auto statusBegin = source.find(L':', 0);
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assert(statusBegin != std::wstring::npos);
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auto statusEnd = source.find(L':', statusBegin + 1);
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if (statusEnd == std::wstring::npos) {
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// the command do not contains two colon?
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return false;
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}
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// Assume the caller extracted the chunk before the first colon.
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secondChunk = source.substr(statusBegin + 1, statusEnd - statusBegin - 1);
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thirdChunk = source.substr(statusEnd + 1);
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return true;
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}
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};
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#endif // STRINGUTIL_H
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