2016-09-19 11:50:08 +08:00
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#include "vcpkg_Strings.h"
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#include <cstdarg>
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#include <algorithm>
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#include <codecvt>
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#include <iterator>
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2016-12-16 09:09:14 +08:00
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#include <functional>
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#include <cctype>
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2016-09-19 11:50:08 +08:00
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namespace vcpkg {namespace Strings {namespace details
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{
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2016-12-17 08:02:19 +08:00
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// To disambiguate between two overloads
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2016-12-16 09:09:14 +08:00
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static const auto isspace = [](const char c)
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{
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return std::isspace(c);
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};
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2016-09-19 11:50:08 +08:00
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std::string format_internal(const char* fmtstr, ...)
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{
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va_list lst;
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va_start(lst, fmtstr);
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auto sz = _vscprintf(fmtstr, lst);
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std::string output(sz, '\0');
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_vsnprintf_s(&output[0], output.size() + 1, output.size() + 1, fmtstr, lst);
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va_end(lst);
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return output;
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}
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2016-09-30 10:25:07 +08:00
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std::wstring wformat_internal(const wchar_t* fmtstr, ...)
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2016-09-19 11:50:08 +08:00
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{
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va_list lst;
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va_start(lst, fmtstr);
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auto sz = _vscwprintf(fmtstr, lst);
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std::wstring output(sz, '\0');
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_vsnwprintf_s(&output[0], output.size() + 1, output.size() + 1, fmtstr, lst);
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va_end(lst);
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return output;
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}
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}}}
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namespace vcpkg {namespace Strings
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{
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std::wstring utf8_to_utf16(const std::string& s)
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{
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std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> conversion;
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return conversion.from_bytes(s);
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}
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std::string utf16_to_utf8(const std::wstring& w)
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{
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std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> conversion;
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return conversion.to_bytes(w);
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}
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2016-10-05 06:23:44 +08:00
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std::string::const_iterator case_insensitive_ascii_find(const std::string& s, const std::string& pattern)
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2016-09-19 11:50:08 +08:00
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{
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2016-10-05 05:44:19 +08:00
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std::string pattern_as_lower_case;
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std::transform(pattern.begin(), pattern.end(), back_inserter(pattern_as_lower_case), tolower);
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return search(s.begin(), s.end(), pattern_as_lower_case.begin(), pattern_as_lower_case.end(), [](const char a, const char b)
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2016-09-19 11:50:08 +08:00
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{
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2016-10-04 10:48:56 +08:00
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return tolower(a) == b;
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2016-09-19 11:50:08 +08:00
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});
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}
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2016-10-05 05:44:19 +08:00
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std::string ascii_to_lowercase(const std::string& input)
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{
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std::string output = input;
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std::transform(output.begin(), output.end(), output.begin(), ::tolower);
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return output;
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}
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2016-11-03 10:34:30 +08:00
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std::string join(const std::vector<std::string>& v, const std::string& delimiter)
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{
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if (v.empty())
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{
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return std::string();
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}
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std::string output;
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size_t size = v.size();
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output.append(v.at(0));
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2016-11-11 03:48:36 +08:00
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for (size_t i = 1; i < size; ++i)
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2016-11-03 10:34:30 +08:00
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{
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output.append(delimiter);
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output.append(v.at(i));
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}
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return output;
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}
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2016-12-16 09:09:14 +08:00
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void trim(std::string* s)
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{
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s->erase(s->begin(), std::find_if_not(s->begin(), s->end(), details::isspace));
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s->erase(std::find_if_not(s->rbegin(), s->rend(), details::isspace).base(), s->end());
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}
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std::string trimmed(const std::string& s)
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{
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auto whitespace_front = std::find_if_not(s.begin(), s.end(), details::isspace);
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auto whitespace_back = std::find_if_not(s.rbegin(), s.rend(), details::isspace).base();
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return (whitespace_back <= whitespace_front ? std::string() : std::string(whitespace_front, whitespace_back));
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}
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2016-12-17 08:02:19 +08:00
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void trim_all_and_remove_whitespace_strings(std::vector<std::string>* strings)
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{
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strings->erase(std::remove_if(strings->begin(), strings->end(), [](std::string& s)-> bool
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{
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trim(&s);
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return s == "";
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}), strings->end());
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}
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2016-09-19 11:50:08 +08:00
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}}
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