xenia-canary/src/poly/string.cc

108 lines
2.9 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2014 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <poly/string.h>
#include <codecvt>
#include <locale>
namespace poly {
std::string to_string(const std::wstring& source) {
static std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
return converter.to_bytes(source);
}
std::wstring to_wstring(const std::string& source) {
static std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
return converter.from_bytes(source);
}
std::string::size_type find_first_of_case(const std::string& target,
const std::string& search) {
const char* str = target.c_str();
while (*str) {
if (!strncasecmp(str, search.c_str(), search.size())) {
break;
}
str++;
}
if (*str) {
return str - target.c_str();
} else {
return std::string::npos;
}
}
std::wstring to_absolute_path(const std::wstring& path) {
#if XE_LIKE_WIN32
wchar_t buffer[poly::max_path];
_wfullpath(buffer, path.c_str(), sizeof(buffer) / sizeof(wchar_t));
return buffer;
#else
char buffer[poly::max_path];
realpath(poly::to_string(path).c_str(), buffer);
return poly::to_wstring(buffer);
#endif // XE_LIKE_WIN32
}
std::vector<std::string> split_path(const std::string& path) {
std::vector<std::string> parts;
size_t n = 0;
size_t last = 0;
while ((n = path.find_first_of("\\/", last)) != path.npos) {
if (last != n) {
parts.push_back(path.substr(last, n - last));
}
last = n + 1;
}
if (last != path.size()) {
parts.push_back(path.substr(last));
}
return parts;
}
std::wstring join_paths(const std::wstring& left, const std::wstring& right,
wchar_t sep) {
if (!left.size()) {
return right;
} else if (!right.size()) {
return left;
}
if (left[left.size() - 1] == sep) {
return left + right;
} else {
return left + sep + right;
}
}
std::wstring fix_path_separators(const std::wstring& source, wchar_t new_sep) {
// Swap all separators to new_sep.
wchar_t old_sep = new_sep == '\\' ? '/' : '\\';
std::wstring::size_type pos = 0;
std::wstring dest = source;
while ((pos = source.find_first_of(old_sep, pos)) != std::wstring::npos) {
dest[pos] = new_sep;
++pos;
}
// Replace redundant separators.
pos = 0;
while ((pos = dest.find_first_of(new_sep, pos)) != std::wstring::npos) {
if (pos < dest.size() - 1) {
if (dest[pos + 1] == new_sep) {
dest.erase(pos + 1, 1);
}
}
++pos;
}
return dest;
}
} // namespace poly