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/*
 * Copyright (c) 2007, Michael Feathers, James Grenning and Bas Vodde
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE EARLIER MENTIONED AUTHORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

///////////////////////////////////////////////////////////////////////////////
//
// SIMPLESTRING.H
//
// One of the design goals of CppUnitLite is to compilation with very old C++
// compilers.  For that reason, the simple string class that provides
// only the operations needed in CppUnitLite.
//
///////////////////////////////////////////////////////////////////////////////

#ifndef D_SimpleString_h
#define D_SimpleString_h

#include "StandardCLibrary.h"

class SimpleStringCollection;
class TestMemoryAllocator;

class SimpleString
{
	friend bool operator==(const SimpleString& left, const SimpleString& right);
	friend bool operator!=(const SimpleString& left, const SimpleString& right);

public:
	SimpleString(const char *value = "");
	SimpleString(const char *value, size_t repeatCount);
	SimpleString(const SimpleString& other);
	~SimpleString();

	SimpleString& operator=(const SimpleString& other);
	SimpleString operator+(const SimpleString&);
	SimpleString& operator+=(const SimpleString&);
	SimpleString& operator+=(const char*);

	char at(int pos) const;
	int find(char ch) const;
	int findFrom(size_t starting_position, char ch) const;
	bool contains(const SimpleString& other) const;
	bool containsNoCase(const SimpleString& other) const;
	bool startsWith(const SimpleString& other) const;
	bool endsWith(const SimpleString& other) const;
	void split(const SimpleString& split,
					SimpleStringCollection& outCollection) const;
	bool equalsNoCase(const SimpleString& str) const;

	size_t count(const SimpleString& str) const;

	void replace(char to, char with);
	void replace(const char* to, const char* with);

	SimpleString toLower() const;
	SimpleString subString(size_t beginPos, size_t amount) const;
	SimpleString subStringFromTill(char startChar, char lastExcludedChar) const;
	void copyToBuffer(char* buffer, size_t bufferSize) const;

	const char *asCharString() const;
	size_t size() const;
	bool isEmpty() const;

	static void padStringsToSameLength(SimpleString& str1, SimpleString& str2, char ch);

	static TestMemoryAllocator* getStringAllocator();
	static void setStringAllocator(TestMemoryAllocator* allocator);

	static char* allocStringBuffer(size_t size);
	static char* StrNCpy(char* s1, const char* s2, size_t n);
	static void deallocStringBuffer(char* str);
private:
	char *buffer_;

	static TestMemoryAllocator* stringAllocator_;

	char* getEmptyString() const; 
	static char* copyToNewBuffer(const char* bufferToCopy, size_t bufferSize=0);
};

class SimpleStringCollection
{
public:
	SimpleStringCollection();
	~SimpleStringCollection();

	void allocate(size_t size);

	size_t size() const;
	SimpleString& operator[](size_t index);

private:
	SimpleString* collection_;
	SimpleString empty_;
	size_t size_;

	void operator =(SimpleStringCollection&);
	SimpleStringCollection(SimpleStringCollection&);
};

SimpleString StringFrom(bool value);
SimpleString StringFrom(const void* value);
SimpleString StringFrom(char value);
SimpleString StringFrom(const char *value);
SimpleString StringFromOrNull(const char * value);
SimpleString StringFrom(int value);
SimpleString StringFrom(unsigned int value);
SimpleString StringFrom(long value);
SimpleString StringFrom(unsigned long value);
SimpleString HexStringFrom(long value);
SimpleString HexStringFrom(unsigned long value);
SimpleString HexStringFrom(const void* value);
SimpleString StringFrom(double value, int precision = 6);
SimpleString StringFrom(const SimpleString& other);
SimpleString StringFromFormat(const char* format, ...) __check_format__(printf, 1, 2);
SimpleString VStringFromFormat(const char* format, va_list args);

#if CPPUTEST_USE_STD_CPP_LIB

#include <string>
#include <stdint.h>

SimpleString StringFrom(const std::string& other);

#endif

#endif