#ifndef PISTRING_H
#define PISTRING_H

#include "piincludes.h"

class PIString: public vector<char>
{
public:
	PIString() {;}
	PIString(const char & c) {*this += c;}
	PIString(const char * str) {*this += str;}
	PIString(const string & str) {*this += str;}
	PIString(const PIString & str) {*this += str;}
	PIString(const int len, const char c = ' ') {for (uint i = 0; i < len; ++i) push_back(c);}
	
	operator const char*() {return (size() == 0) ? "" : string(&at(0), size()).c_str();}
	operator const string() {return (size() == 0) ? string() : string(&at(0), size());}
	inline char & operator [](const int pos) {return at(pos);}
	inline const char operator [](const int pos) const {return at(pos);}
	
	PIString & operator +=(const PIString & str);
	inline PIString & operator +=(const char & c) {push_back(c); return *this;}
	PIString & operator +=(const char * str);
	PIString & operator +=(const string & str);
	
	bool operator ==(const PIString & str) const;
	inline bool operator ==(const char & c) const {return *this == PIString(c);}
	inline bool operator ==(const char * str) const {return *this == PIString(str);}
	inline bool operator ==(const string & str) const {return *this == PIString(str);}
	
	bool operator !=(const PIString & str) const;
	inline bool operator !=(const char & c) const {return *this != PIString(c);}
	inline bool operator !=(const char * str) const {return *this != PIString(str);}
	inline bool operator !=(const string & str) const {return *this != PIString(str);}
	
	PIString & operator <<(const PIString & str) {*this += str; return *this;}
	inline PIString & operator <<(const char & c) {*this += c; return *this;}
	inline PIString & operator <<(const char * str) {*this += str; return *this;}
	inline PIString & operator <<(const string & str) {*this += str; return *this;}
	inline PIString & operator <<(const int & num) {*this += PIString::fromNumber(num); return *this;}
	inline PIString & operator <<(const short & num) {*this += PIString::fromNumber(num); return *this;}
	inline PIString & operator <<(const long & num) {*this += PIString::fromNumber(num); return *this;}
	inline PIString & operator <<(const float & num) {*this += PIString::fromNumber(num); return *this;}
	inline PIString & operator <<(const double & num) {*this += PIString::fromNumber(num); return *this;}
	
	PIString mid(const int start, const int len = -1) const;
	inline PIString left(const int len) const {return len <= 0 ? PIString() : mid(0, len);}
	inline PIString right(const int len) const {return len <= 0 ? PIString() : mid(size() - len, len);}
	PIString & cutMid(const int start, const int len);
	inline PIString & cutLeft(const int len) {return len <= 0 ? *this : cutMid(0, len);}
	inline PIString & cutRight(const int len) {return len <= 0 ? *this : cutMid(size() - len, len);}
	PIString trimmed() const;
	PIString & trim();
	const char * data() const {return ((size() == 0) ? string() : string(&at(0), size())).c_str();}
	string stdString() const {return (size() == 0) ? string() : string(&at(0), size());}
	
	PIString toUpperCase() const;
	PIString toLowerCase() const;
	
	int find(const char str, const int start = 0);
	int find(const PIString str, const int start = 0);
	inline int find(const char * str, const int start = 0) {return find(PIString(str), start);}
	inline int find(const string str, const int start = 0) {return find(PIString(str), start);}
	int findLast(const char str, const int start = 0);
	int findLast(const PIString str, const int start = 0);
	inline int findLast(const char * str, const int start = 0) {return findLast(PIString(str), start);}
	inline int findLast(const string str, const int start = 0) {return findLast(PIString(str), start);}
	
	inline int length() const {return size();}
	inline bool isEmpty() const {return size() == 0;}
	
	int toInt() const {return atoi(data());}
	short toShort() const {return (short)atoi(data());}
	long toLong() const {return atol(data());}
	float toFloat() const {return (float)atof(data());}
	double toDouble() const {return atof(data());}
	
	inline PIString & setNumber(const int value) {clear(); *this += itos(value); return *this;}
	inline PIString & setNumber(const short value) {clear(); *this += itos(value); return *this;}
	inline PIString & setNumber(const long value) {clear(); *this += ltos(value); return *this;}
	inline PIString & setNumber(const float value) {clear(); *this += ftos(value); return *this;}
	inline PIString & setNumber(const double value) {clear(); *this += dtos(value); return *this;}
	
	inline static PIString fromNumber(const int value) {return PIString(itos(value));}
	inline static PIString fromNumber(const short value) {return PIString(itos(value));}
	inline static PIString fromNumber(const long value) {return PIString(ltos(value));}
	inline static PIString fromNumber(const float value) {return PIString(ftos(value));}
	inline static PIString fromNumber(const double value) {return PIString(dtos(value));}
	
};

inline PIString operator +(const PIString & str, const PIString & f) {PIString s(str); s += f; return s;}

inline PIString operator +(const PIString & f, const char & c) {PIString s(f); s.push_back(c); return s;}
inline PIString operator +(const PIString & f, const char * str) {PIString s(f); s += str; return s;}
inline PIString operator +(const PIString & f, const string & str) {PIString s(f); s += str; return s;}

inline PIString operator +(const char & c, const PIString & f) {return PIString(c) + f;}
inline PIString operator +(const char * str, const PIString & f) {return PIString(str) + f;}
inline PIString operator +(const string & str, const PIString & f) {return PIString(str) + f;}

char chrUpr(char c);
char chrLwr(char c);

#endif // PISTRING_H