f1219e3a87
This is an unused hold-over from Dolphin that was primarily used to parse values out of the .ini files. Given we already have libraries that do this for us, we don't need to keep this around.
258 lines
7 KiB
C++
258 lines
7 KiB
C++
// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <cctype>
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#include <codecvt>
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#include <cstdlib>
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#include <iomanip>
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#include <locale>
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#include <sstream>
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#include "common/common_paths.h"
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#include "common/logging/log.h"
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#include "common/string_util.h"
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#ifdef _WIN32
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#include <windows.h>
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#endif
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namespace Common {
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/// Make a string lowercase
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std::string ToLower(std::string str) {
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std::transform(str.begin(), str.end(), str.begin(),
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[](unsigned char c) { return std::tolower(c); });
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return str;
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}
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/// Make a string uppercase
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std::string ToUpper(std::string str) {
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std::transform(str.begin(), str.end(), str.begin(),
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[](unsigned char c) { return std::toupper(c); });
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return str;
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}
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// For Debugging. Read out an u8 array.
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std::string ArrayToString(const u8* data, std::size_t size, int line_len, bool spaces) {
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std::ostringstream oss;
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oss << std::setfill('0') << std::hex;
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for (int line = 0; size; ++data, --size) {
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oss << std::setw(2) << (int)*data;
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if (line_len == ++line) {
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oss << '\n';
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line = 0;
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} else if (spaces)
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oss << ' ';
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}
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return oss.str();
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}
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std::string StringFromBuffer(const std::vector<u8>& data) {
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return std::string(data.begin(), std::find(data.begin(), data.end(), '\0'));
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}
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// Turns " hej " into "hej". Also handles tabs.
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std::string StripSpaces(const std::string& str) {
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const std::size_t s = str.find_first_not_of(" \t\r\n");
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if (str.npos != s)
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return str.substr(s, str.find_last_not_of(" \t\r\n") - s + 1);
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else
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return "";
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}
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// "\"hello\"" is turned to "hello"
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// This one assumes that the string has already been space stripped in both
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// ends, as done by StripSpaces above, for example.
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std::string StripQuotes(const std::string& s) {
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if (s.size() && '\"' == s[0] && '\"' == *s.rbegin())
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return s.substr(1, s.size() - 2);
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else
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return s;
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}
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std::string StringFromBool(bool value) {
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return value ? "True" : "False";
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}
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bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _pFilename,
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std::string* _pExtension) {
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if (full_path.empty())
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return false;
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std::size_t dir_end = full_path.find_last_of("/"
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// windows needs the : included for something like just "C:" to be considered a directory
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#ifdef _WIN32
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"\\:"
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#endif
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);
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if (std::string::npos == dir_end)
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dir_end = 0;
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else
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dir_end += 1;
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std::size_t fname_end = full_path.rfind('.');
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if (fname_end < dir_end || std::string::npos == fname_end)
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fname_end = full_path.size();
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if (_pPath)
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*_pPath = full_path.substr(0, dir_end);
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if (_pFilename)
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*_pFilename = full_path.substr(dir_end, fname_end - dir_end);
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if (_pExtension)
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*_pExtension = full_path.substr(fname_end);
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return true;
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}
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void BuildCompleteFilename(std::string& _CompleteFilename, const std::string& _Path,
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const std::string& _Filename) {
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_CompleteFilename = _Path;
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// check for seperator
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if (DIR_SEP_CHR != *_CompleteFilename.rbegin())
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_CompleteFilename += DIR_SEP_CHR;
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// add the filename
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_CompleteFilename += _Filename;
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}
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void SplitString(const std::string& str, const char delim, std::vector<std::string>& output) {
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std::istringstream iss(str);
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output.resize(1);
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while (std::getline(iss, *output.rbegin(), delim)) {
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output.emplace_back();
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}
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output.pop_back();
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}
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std::string TabsToSpaces(int tab_size, std::string in) {
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std::size_t i = 0;
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while ((i = in.find('\t')) != std::string::npos) {
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in.replace(i, 1, tab_size, ' ');
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}
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return in;
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}
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std::string ReplaceAll(std::string result, const std::string& src, const std::string& dest) {
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std::size_t pos = 0;
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if (src == dest)
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return result;
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while ((pos = result.find(src, pos)) != std::string::npos) {
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result.replace(pos, src.size(), dest);
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pos += dest.length();
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}
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return result;
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}
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std::string UTF16ToUTF8(const std::u16string& input) {
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#ifdef _MSC_VER
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// Workaround for missing char16_t/char32_t instantiations in MSVC2017
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std::wstring_convert<std::codecvt_utf8_utf16<__int16>, __int16> convert;
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std::basic_string<__int16> tmp_buffer(input.cbegin(), input.cend());
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return convert.to_bytes(tmp_buffer);
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#else
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std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
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return convert.to_bytes(input);
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#endif
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}
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std::u16string UTF8ToUTF16(const std::string& input) {
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#ifdef _MSC_VER
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// Workaround for missing char16_t/char32_t instantiations in MSVC2017
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std::wstring_convert<std::codecvt_utf8_utf16<__int16>, __int16> convert;
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auto tmp_buffer = convert.from_bytes(input);
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return std::u16string(tmp_buffer.cbegin(), tmp_buffer.cend());
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#else
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std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
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return convert.from_bytes(input);
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#endif
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}
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#ifdef _WIN32
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static std::wstring CPToUTF16(u32 code_page, const std::string& input) {
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const auto size =
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MultiByteToWideChar(code_page, 0, input.data(), static_cast<int>(input.size()), nullptr, 0);
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if (size == 0) {
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return L"";
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}
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std::wstring output(size, L'\0');
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if (size != MultiByteToWideChar(code_page, 0, input.data(), static_cast<int>(input.size()),
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&output[0], static_cast<int>(output.size()))) {
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output.clear();
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}
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return output;
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}
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std::string UTF16ToUTF8(const std::wstring& input) {
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const auto size = WideCharToMultiByte(CP_UTF8, 0, input.data(), static_cast<int>(input.size()),
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nullptr, 0, nullptr, nullptr);
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if (size == 0) {
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return "";
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}
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std::string output(size, '\0');
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if (size != WideCharToMultiByte(CP_UTF8, 0, input.data(), static_cast<int>(input.size()),
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&output[0], static_cast<int>(output.size()), nullptr,
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nullptr)) {
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output.clear();
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}
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return output;
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}
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std::wstring UTF8ToUTF16W(const std::string& input) {
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return CPToUTF16(CP_UTF8, input);
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}
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#endif
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std::string StringFromFixedZeroTerminatedBuffer(const char* buffer, std::size_t max_len) {
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std::size_t len = 0;
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while (len < max_len && buffer[len] != '\0')
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++len;
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return std::string(buffer, len);
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}
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const char* TrimSourcePath(const char* path, const char* root) {
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const char* p = path;
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while (*p != '\0') {
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const char* next_slash = p;
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while (*next_slash != '\0' && *next_slash != '/' && *next_slash != '\\') {
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++next_slash;
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}
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bool is_src = Common::ComparePartialString(p, next_slash, root);
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p = next_slash;
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if (*p != '\0') {
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++p;
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}
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if (is_src) {
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path = p;
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}
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}
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return path;
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}
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} // namespace Common
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