1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
|
/*
* SPDX-FileCopyrightText: 2014 ownCloud GmbH
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifndef STRINGUTIL_H
#define STRINGUTIL_H
#pragma once
#include <windows.h>
#include <string>
#include <cassert>
class __declspec(dllexport) StringUtil {
public:
static std::string toUtf8(const wchar_t* utf16, int len = -1);
static std::wstring toUtf16(const char* utf8, int len = -1);
template<class T>
static bool begins_with(const T& input, const T& match)
{
return input.size() >= match.size()
&& std::equal(match.begin(), match.end(), input.begin());
}
static bool isDescendantOf(const std::wstring& child, const std::wstring& parent) {
return isDescendantOf(child.c_str(), child.size(), parent.c_str(), parent.size());
}
static bool isDescendantOf(PCWSTR child, size_t childLength, const std::wstring& parent) {
return isDescendantOf(child, childLength, parent.c_str(), parent.size());
}
static bool isDescendantOf(PCWSTR child, size_t childLength, PCWSTR parent, size_t parentLength) {
if (!parentLength)
return false;
return (childLength == parentLength || childLength > parentLength && (child[parentLength] == L'\\' || child[parentLength - 1] == L'\\'))
&& wcsncmp(child, parent, parentLength) == 0;
}
static bool extractChunks(const std::wstring &source, std::wstring &secondChunk, std::wstring &thirdChunk) {
auto statusBegin = source.find(L':', 0);
assert(statusBegin != std::wstring::npos);
auto statusEnd = source.find(L':', statusBegin + 1);
if (statusEnd == std::wstring::npos) {
// the command do not contains two colon?
return false;
}
// Assume the caller extracted the chunk before the first colon.
secondChunk = source.substr(statusBegin + 1, statusEnd - statusBegin - 1);
thirdChunk = source.substr(statusEnd + 1);
return true;
}
static bool extractChunks(const std::wstring &source, std::wstring &secondChunk, std::wstring &thirdChunk, std::wstring &forthChunk)
{
auto statusBegin = source.find(L':', 0);
assert(statusBegin != std::wstring::npos);
auto statusEnd = source.find(L':', statusBegin + 1);
if (statusEnd == std::wstring::npos) {
// the command do not contains two colon?
return false;
}
auto thirdColon = source.find(L':', statusEnd + 1);
if (statusEnd == std::wstring::npos) {
// the command do not contains three colon?
return false;
}
// Assume the caller extracted the chunk before the first colon.
secondChunk = source.substr(statusBegin + 1, statusEnd - statusBegin - 1);
thirdChunk = source.substr(statusEnd + 1, thirdColon - statusEnd - 1);
forthChunk = source.substr(thirdColon + 1);
return true;
}
};
#endif // STRINGUTIL_H
|