cd46b267f5
We can just use the variant of std::string's replace() function that can replace an occurrence with N copies of the same character, eliminating the need to allocate a std::string containing a buffer of spaces.
136 lines
4.1 KiB
C++
136 lines
4.1 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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#pragma once
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#include <cstddef>
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#include <iomanip>
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#include <sstream>
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#include <string>
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#include <vector>
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#include "common/common_types.h"
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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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/// Make a string uppercase
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std::string ToUpper(std::string str);
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std::string ArrayToString(const u8* data, size_t size, int line_len = 20, bool spaces = true);
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std::string StringFromBuffer(const std::vector<u8>& data);
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std::string StripSpaces(const std::string& s);
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std::string StripQuotes(const std::string& s);
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// Thousand separator. Turns 12345678 into 12,345,678
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template <typename I>
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std::string ThousandSeparate(I value, int spaces = 0) {
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std::ostringstream oss;
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// std::locale("") seems to be broken on many platforms
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#if defined _WIN32 || (defined __linux__ && !defined __clang__)
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oss.imbue(std::locale(""));
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#endif
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oss << std::setw(spaces) << value;
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return oss.str();
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}
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std::string StringFromBool(bool value);
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bool TryParse(const std::string& str, bool* output);
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bool TryParse(const std::string& str, u32* output);
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template <typename N>
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static bool TryParse(const std::string& str, N* const output) {
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std::istringstream iss(str);
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N tmp = 0;
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if (iss >> tmp) {
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*output = tmp;
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return true;
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} else
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return false;
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}
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std::string TabsToSpaces(int tab_size, std::string in);
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void SplitString(const std::string& str, char delim, std::vector<std::string>& output);
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// "C:/Windows/winhelp.exe" to "C:/Windows/", "winhelp", ".exe"
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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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void BuildCompleteFilename(std::string& _CompleteFilename, const std::string& _Path,
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const std::string& _Filename);
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std::string ReplaceAll(std::string result, const std::string& src, const std::string& dest);
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std::string UTF16ToUTF8(const std::u16string& input);
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std::u16string UTF8ToUTF16(const std::string& input);
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std::string CP1252ToUTF8(const std::string& str);
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std::string SHIFTJISToUTF8(const std::string& str);
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#ifdef _WIN32
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std::string UTF16ToUTF8(const std::wstring& input);
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std::wstring UTF8ToUTF16W(const std::string& str);
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#ifdef _UNICODE
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inline std::string TStrToUTF8(const std::wstring& str) {
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return UTF16ToUTF8(str);
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}
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inline std::wstring UTF8ToTStr(const std::string& str) {
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return UTF8ToUTF16W(str);
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}
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#else
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inline std::string TStrToUTF8(const std::string& str) {
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return str;
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}
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inline std::string UTF8ToTStr(const std::string& str) {
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return str;
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}
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#endif
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#endif
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/**
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* Compares the string defined by the range [`begin`, `end`) to the null-terminated C-string
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* `other` for equality.
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*/
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template <typename InIt>
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bool ComparePartialString(InIt begin, InIt end, const char* other) {
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for (; begin != end && *other != '\0'; ++begin, ++other) {
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if (*begin != *other) {
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return false;
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}
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}
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// Only return true if both strings finished at the same point
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return (begin == end) == (*other == '\0');
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}
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/**
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* Creates a std::string from a fixed-size NUL-terminated char buffer. If the buffer isn't
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* NUL-terminated then the string ends at max_len characters.
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*/
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std::string StringFromFixedZeroTerminatedBuffer(const char* buffer, size_t max_len);
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/**
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* Attempts to trim an arbitrary prefix from `path`, leaving only the part starting at `root`. It's
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* intended to be used to strip a system-specific build directory from the `__FILE__` macro,
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* leaving only the path relative to the sources root.
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*
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* @param path The input file path as a null-terminated string
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* @param root The name of the root source directory as a null-terminated string. Path up to and
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* including the last occurrence of this name will be stripped
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* @return A pointer to the same string passed as `path`, but starting at the trimmed portion
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*/
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const char* TrimSourcePath(const char* path, const char* root = "src");
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} // namespace Common
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