SimpleString.h

/*
 * 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;
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * 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 void deallocStringBuffer(char* str);
private:
    char *buffer_;

    static TestMemoryAllocator* stringAllocator_;

    char* getEmptyString() const;
};

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(long value);
SimpleString StringFrom(int value);
SimpleString HexStringFrom(long value);
SimpleString StringFrom(double value, int precision = 6);
SimpleString StringFrom(const SimpleString& other);
SimpleString StringFromFormat(const char* format, ...);
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);
SimpleString StringFrom(unsigned long);
SimpleString StringFrom(uint32_t);
SimpleString StringFrom(uint16_t);
SimpleString StringFrom(uint8_t);

#endif

#endif