ppsspp/Common/StringUtils.h

129 lines
4.6 KiB
C++

// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#pragma once
#include <cstdarg>
#include <cstdint>
#include <string>
#include <cstring>
#include <string_view>
#include <vector>
#ifdef _MSC_VER
#define strncasecmp _strnicmp
#define strcasecmp _stricmp
#else
#include <strings.h>
#endif
// Useful for shaders with error messages..
std::string LineNumberString(const std::string &str);
std::string IndentString(const std::string &str, const std::string &sep, bool skipFirst = false);
// Other simple string utilities.
inline bool startsWith(std::string_view str, std::string_view key) {
if (str.size() < key.size())
return false;
return !memcmp(str.data(), key.data(), key.size());
}
inline bool endsWith(std::string_view str, std::string_view what) {
if (str.size() < what.size())
return false;
return str.substr(str.size() - what.size()) == what;
}
// Only use on strings where you're only concerned about ASCII.
inline bool startsWithNoCase(std::string_view str, std::string_view key) {
if (str.size() < key.size())
return false;
return strncasecmp(str.data(), key.data(), key.size()) == 0;
}
inline bool endsWithNoCase(std::string_view str, std::string_view key) {
if (str.size() < key.size())
return false;
const size_t offset = str.size() - key.size();
return strncasecmp(str.data() + offset, key.data(), key.size()) == 0;
}
inline bool equalsNoCase(std::string_view str, std::string_view key) {
if (str.size() != key.size())
return false;
return strncasecmp(str.data(), key.data(), key.size()) == 0;
}
void DataToHexString(const uint8_t *data, size_t size, std::string *output);
void DataToHexString(int indent, uint32_t startAddr, const uint8_t* data, size_t size, std::string* output);
std::string StringFromFormat(const char* format, ...);
std::string StringFromInt(int value);
std::string StripSpaces(const std::string &s);
std::string StripQuotes(const std::string &s);
std::string_view StripSpaces(std::string_view s);
std::string_view StripQuotes(std::string_view s);
// TODO: Make this a lot more efficient by outputting string_views.
void SplitString(std::string_view str, const char delim, std::vector<std::string_view> &output);
void SplitString(std::string_view str, const char delim, std::vector<std::string> &output);
void GetQuotedStrings(const std::string& str, std::vector<std::string>& output);
std::string ReplaceAll(std::string input, const std::string& src, const std::string& dest);
// Takes something like R&eplace and returns Replace, plus writes 'e' to *shortcutChar
// if not nullptr. Useful for Windows menu strings.
std::string UnescapeMenuString(const char *input, char *shortcutChar);
void SkipSpace(const char **ptr);
size_t truncate_cpy(char *dest, size_t destSize, const char *src);
template<size_t Count>
inline size_t truncate_cpy(char(&out)[Count], const char *src) {
return truncate_cpy(out, Count, src);
}
const char* safe_string(const char* s);
long parseHexLong(const std::string &s);
long parseLong(std::string s);
std::string StringFromFormat(const char* format, ...);
// Cheap!
bool CharArrayFromFormatV(char* out, int outsize, const char* format, va_list args);
template<size_t Count>
inline void CharArrayFromFormat(char (& out)[Count], const char* format, ...)
{
va_list args;
va_start(args, format);
CharArrayFromFormatV(out, Count, format, args);
va_end(args);
}
// "C:/Windows/winhelp.exe" to "C:/Windows/", "winhelp", ".exe"
bool SplitPath(const std::string& full_path, std::string* _pPath, std::string* _pFilename, std::string* _pExtension);
// Replaces %1, %2, %3 in format with arg1, arg2, arg3.
// Much safer than snprintf and friends.
// For mixes of strings and ints, manually convert the ints to strings.
std::string ApplySafeSubstitutions(const char *format, std::string_view string1, std::string_view string2 = "", std::string_view string3 = "", std::string_view string4 = "");
std::string ApplySafeSubstitutions(const char *format, int i1, int i2 = 0, int i3 = 0, int i4 = 0);