netgen/libsrc/general/mystring.hpp

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//**************************************************************
//
// filename: mystring.h
//
// project: doctoral thesis, program smart
//
// autor: Dipl.-Ing. Gerstmayr Johannes
//
// generated: 20.12.98
// last change: 20.12.98
// description: base class for strings
// remarks: string with n characters has
// 0..n-1 characters and at pos n a 0
//
//**************************************************************
#ifndef MYSTRING__H
#define MYSTRING__H
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namespace netgen
{
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class Point3d;
class Vec3d;
// extract string str which is enclosed by the given character encl from a given string in
void ReadEnclString(istream & in, string & str, const char encl);
class MyStr;
MyStr operator + (const MyStr &, const MyStr &);
int operator == (const MyStr &, const MyStr &);
int operator < (const MyStr &, const MyStr &);
int operator <= (const MyStr &, const MyStr &);
int operator > (const MyStr &, const MyStr &);
int operator >= (const MyStr &, const MyStr &);
int operator != (const MyStr &, const MyStr &);
ostream& operator << (ostream &, const MyStr &);
istream& operator >> (istream &, MyStr &);
class MyStr
{
public:
DLL_HEADER MyStr();
DLL_HEADER MyStr(const char *);
DLL_HEADER MyStr(char);
DLL_HEADER MyStr(const MyStr &);
DLL_HEADER MyStr(int);
DLL_HEADER MyStr(void *);
DLL_HEADER MyStr(long);
DLL_HEADER MyStr(double);
DLL_HEADER MyStr(const Point3d& p);
DLL_HEADER MyStr(const Vec3d& p);
DLL_HEADER MyStr(const string & st);
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~MyStr();
MyStr Left(unsigned);
MyStr Right(unsigned);
MyStr& InsertAt(unsigned, const MyStr &);
MyStr& WriteAt(unsigned, const MyStr &);
unsigned Length() const;
int Find(const char);
int Find(const char *);
int Find(const MyStr &);
MyStr& operator = (const MyStr &);
friend MyStr operator + (const MyStr &, const MyStr &);
void operator += (const MyStr &);
char* c_str();
string cpp_string(void) const;
//change every ',' -> ';', '.' -> ','
void ConvertTextToExcel();
//change every ','->'.', ';'->','
void ConvertExcelToText();
MyStr operator () (unsigned, unsigned);
operator int();
operator double();
operator long();
operator char *();
char& operator [] (unsigned int);
char operator [] (unsigned int) const;
friend int operator == (const MyStr &, const MyStr &);
friend int operator < (const MyStr &, const MyStr &);
friend int operator <= (const MyStr &, const MyStr &);
friend int operator > (const MyStr &, const MyStr &);
friend int operator >= (const MyStr &, const MyStr &);
friend int operator != (const MyStr &, const MyStr &);
friend ostream& operator << (ostream &, const MyStr &);
friend istream& operator >> (istream &, MyStr &);
static void SetToErrHandler(void (*)());
private:
MyStr(unsigned, int);
char *str;
unsigned length;
enum { SHORTLEN = 24 };
char shortstr[SHORTLEN+1];
static void(*ErrHandler)();
};
inline MyStr::MyStr()
{
length = 0;
str = shortstr;
str[0] = 0;
}
inline MyStr::MyStr(char s)
{
length = 1;
str = shortstr;
str[0] = s;
str[1] = (char)0;
}
inline MyStr::~MyStr()
{
if (length > SHORTLEN)
delete [] str;
}
inline unsigned MyStr::Length() const
{
return length;
}
inline int MyStr::Find(const char c)
{
char *pos = strchr(str, int(c));
return pos ? int(pos - str) : -1;
}
inline int MyStr::Find(const MyStr &s)
{
char *pos = strstr(str, s.str);
return pos ? int(pos - str) : -1;
}
inline int MyStr::Find(const char *s)
{
char *pos = strstr(str, s);
return pos ? int(pos - str) : -1;
}
inline MyStr::operator int()
{
return atoi(str);
}
inline MyStr::operator double()
{
return atof(str);
}
inline MyStr::operator long()
{
return atol(str);
}
inline MyStr::operator char *()
{
return str;
}
inline char* MyStr::c_str()
{
return str;
}
inline int operator == (const MyStr &s1, const MyStr& s2)
{
return strcmp(s1.str, s2.str) == 0;
}
inline int operator < (const MyStr &s1, const MyStr& s2)
{
return strcmp(s1.str, s2.str) < 0;
}
inline int operator <= (const MyStr &s1, const MyStr& s2)
{
return strcmp(s1.str, s2.str) <= 0;
}
inline int operator > (const MyStr &s1, const MyStr& s2)
{
return strcmp(s1.str, s2.str) > 0;
}
inline int operator >= (const MyStr &s1, const MyStr& s2)
{
return strcmp(s1.str, s2.str) >= 0;
}
inline int operator != (const MyStr &s1, const MyStr& s2)
{
return !(s1 == s2);
}
inline ostream& operator << (ostream& os, const MyStr& s)
{
return os << s.str;
}
inline void MyStr::SetToErrHandler(void (*Handler)())
{
ErrHandler = Handler;
};
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}
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#endif