vcpkg/toolsrc/include/vcpkg_Strings.h
2017-08-29 16:20:46 -07:00

112 lines
3.3 KiB
C++

#pragma once
#include "CStringView.h"
#include <vector>
namespace vcpkg::Strings::details
{
template<class T>
auto to_printf_arg(const T& t) -> decltype(t.to_string())
{
return t.to_string();
}
inline const char* to_printf_arg(const std::string& s) { return s.c_str(); }
inline const char* to_printf_arg(const char* s) { return s; }
inline int to_printf_arg(const int s) { return s; }
inline long long to_printf_arg(const long long s) { return s; }
inline unsigned long to_printf_arg(const unsigned long s) { return s; }
inline size_t to_printf_arg(const size_t s) { return s; }
inline double to_printf_arg(const double s) { return s; }
std::string format_internal(const char* fmtstr, ...);
inline const wchar_t* to_wprintf_arg(const std::wstring& s) { return s.c_str(); }
inline const wchar_t* to_wprintf_arg(const wchar_t* s) { return s; }
std::wstring wformat_internal(const wchar_t* fmtstr, ...);
}
namespace vcpkg::Strings
{
static constexpr const char* EMPTY = "";
static constexpr const wchar_t* WEMPTY = L"";
template<class... Args>
std::string format(const char* fmtstr, const Args&... args)
{
using vcpkg::Strings::details::to_printf_arg;
return details::format_internal(fmtstr, to_printf_arg(to_printf_arg(args))...);
}
template<class... Args>
std::wstring wformat(const wchar_t* fmtstr, const Args&... args)
{
using vcpkg::Strings::details::to_wprintf_arg;
return details::wformat_internal(fmtstr, to_wprintf_arg(to_wprintf_arg(args))...);
}
std::wstring to_utf16(const CStringView s);
std::string to_utf8(const CWStringView w);
std::string::const_iterator case_insensitive_ascii_find(const std::string& s, const std::string& pattern);
bool case_insensitive_ascii_contains(const std::string& s, const std::string& pattern);
int case_insensitive_ascii_compare(const CStringView left, const CStringView right);
std::string ascii_to_lowercase(const std::string& input);
template<class Container, class Transformer, class CharType>
std::basic_string<CharType> join(const CharType* delimiter, const Container& v, Transformer transformer)
{
const auto begin = v.begin();
const auto end = v.end();
if (begin == end)
{
return std::basic_string<CharType>();
}
std::basic_string<CharType> output;
output.append(transformer(*begin));
for (auto it = std::next(begin); it != end; ++it)
{
output.append(delimiter);
output.append(transformer(*it));
}
return output;
}
template<class Container, class CharType>
std::basic_string<CharType> join(const CharType* delimiter, const Container& v)
{
using Element = decltype(*v.begin());
return join(delimiter, v, [](const Element& x) -> const Element& { return x; });
}
void trim(std::string* s);
std::string trimmed(const std::string& s);
void trim_all_and_remove_whitespace_strings(std::vector<std::string>* strings);
std::vector<std::string> split(const std::string& s, const std::string& delimiter);
template<class T>
std::string serialize(const T& t)
{
std::string ret;
serialize(t, ret);
return ret;
}
}