Differential D1988 Diff 9789 ps/trunk/source/ps/CStr.cpp

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ps/trunk/source/ps/CStr.cpp

	/* Copyright (C) 2014 Wildfire Games.			/* Copyright (C) 2019 Wildfire Games.
	* This file is part of 0 A.D.			* This file is part of 0 A.D.
	*			*
	* 0 A.D. is free software: you can redistribute it and/or modify			* 0 A.D. is free software: you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by			* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation, either version 2 of the License, or			* the Free Software Foundation, either version 2 of the License, or
	* (at your option) any later version.			* (at your option) any later version.
	*			*
	* 0 A.D. is distributed in the hope that it will be useful,			* 0 A.D. is distributed in the hope that it will be useful,
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	#ifndef CStr_CPP_FIRST			#ifndef CStr_CPP_FIRST
	#define CStr_CPP_FIRST			#define CStr_CPP_FIRST

	#include "lib/fnv_hash.h"			#include "lib/fnv_hash.h"
	#include "lib/utf8.h"			#include "lib/utf8.h"
	#include "lib/byte_order.h"			#include "lib/byte_order.h"
	#include "network/Serialization.h"			#include "network/Serialization.h"

				#include <cctype>
	#include <iomanip>			#include <iomanip>
	#include <sstream>			#include <sstream>

	#define UNIDOUBLER_HEADER "CStr.cpp"			#define UNIDOUBLER_HEADER "CStr.cpp"
	#include "UniDoubler.h"			#include "UniDoubler.h"


	// Only include these function definitions in the first instance of CStr.cpp:			// Only include these function definitions in the first instance of CStr.cpp:
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	unsigned long CStr::ToULong() const			unsigned long CStr::ToULong() const
	{			{
	unsigned long ret = 0;			unsigned long ret = 0;
	std::tstringstream str(*this);			std::tstringstream str(*this);
	str >> ret;			str >> ret;
	return ret;			return ret;
	}			}

				/**
				* libc++ and libstd++ differ on how they handle string-to-number parsing for floating-points numbers.
				* See https://trac.wildfiregames.com/ticket/2780#comment:4 for details.
				* To prevent this, only consider [0-9.-+], replace the others in-place with a neutral character.
				*/
				CStr ParseableAsNumber(CStr cleaned_copy)
				{
				for (tchar& c : cleaned_copy)
				if (!std::isdigit(c) && c != '.' && c != '-' && c != '+')
				c = ' ';

				return cleaned_copy;
				}

	float CStr::ToFloat() const			float CStr::ToFloat() const
	{			{
	float ret = 0;			float ret = 0;
	std::tstringstream str(*this);			std::tstringstream str(ParseableAsNumber(*this));
	str >> ret;			str >> ret;
	return ret;			return ret;
	}			}

	double CStr::ToDouble() const			double CStr::ToDouble() const
	{			{
	double ret = 0;			double ret = 0;
	std::tstringstream str(*this);			std::tstringstream str(ParseableAsNumber(*this));
	str >> ret;			str >> ret;
	return ret;			return ret;
	}			}


	// Search the string for another string			// Search the string for another string
	long CStr::Find(const CStr& Str) const			long CStr::Find(const CStr& Str) const
	{			{
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