JoltPhysics/Jolt/Core/StringTools.h

// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
// SPDX-License-Identifier: MIT

#pragma once

JPH_NAMESPACE_BEGIN

/// Create a formatted text string for debugging purposes.
/// Note that this function has an internal buffer of 1024 characters, so long strings will be trimmed.
JPH_EXPORT String StringFormat(const char *inFMT, ...);

/// Convert type to string
template<typename T>
String ConvertToString(const T &inValue)
{
	using OStringStream = std::basic_ostringstream<char, std::char_traits<char>, STLAllocator<char>>;
    OStringStream oss;
    oss << inValue;
    return oss.str();
}

/// Calculate the FNV-1a hash of inString.
/// @see https://en.wikipedia.org/wiki/Fowler%E2%80%93Noll%E2%80%93Vo_hash_function
constexpr uint64 HashString(const char *inString)
{
	uint64 hash = 14695981039346656037UL;
	for (const char *c = inString; *c != 0; ++c)
	{
		hash ^= *c;
		hash = hash * 1099511628211UL;
	}
	return hash;
}

/// Replace substring with other string
JPH_EXPORT void StringReplace(String &ioString, const string_view &inSearch, const string_view &inReplace);

/// Convert a delimited string to an array of strings
JPH_EXPORT void StringToVector(const string_view &inString, Array<String> &outVector, const string_view &inDelimiter = ",", bool inClearVector = true);

/// Convert an array strings to a delimited string
JPH_EXPORT void VectorToString(const Array<String> &inVector, String &outString, const string_view &inDelimiter = ",");

/// Convert a string to lower case
JPH_EXPORT String ToLower(const string_view &inString);

/// Converts the lower 4 bits of inNibble to a string that represents the number in binary format
JPH_EXPORT const char *NibbleToBinary(uint32 inNibble);

JPH_NAMESPACE_END