TString Class Reference

#include <tstring.h>

Public Member Functions
	TString (const char *=NULL)
	TString (const TString &)
	~TString (void)
	operator const char * (void) const
int	Length (void) const
int	IndexOf (const char) const
int	IndexOf (const char *) const
int	LastIndexOf (const char) const
int	LastIndexOf (const char *) const
const TString	Substring (int) const
const TString	Substring (int, int) const
bool	BeginsWith (const char *) const
void	Format (const char *,...)
const TString &	operator= (const char *)
const TString &	operator= (const TString &)
const TString &	operator+= (const char *)
const TString &	operator+= (const TString &)
Private Attributes
char *	actual_string
Friends
const TString	operator+ (const TString &, const TString &)
bool	operator== (const TString &, const TString &)
bool	operator!= (const TString &, const TString &)

Detailed Description

Definition at line 26 of file tstring.h.

Constructor & Destructor Documentation

TString::TString ( const char * cstr = NULL )

Definition at line 24 of file tstring.cpp.

00025 {
00026     // Initialization
00027     actual_string = NULL;
00028 
00029     // Assignment
00030     *this = cstr;
00031 }

TString::TString ( const TString & tstr )

Definition at line 33 of file tstring.cpp.

00034 {
00035     // Initialization
00036     actual_string = NULL;
00037 
00038     // Assignment
00039     *this = (const char *)tstr;
00040 }

TString::~TString ( void )

Definition at line 42 of file tstring.cpp.

00043 {
00044     if( actual_string )
00045         delete[] actual_string;
00046 }

Member Function Documentation

bool TString::BeginsWith ( const char * prefix ) const

Definition at line 132 of file tstring.cpp.

00133 {
00134     if( prefix == NULL )
00135         return false;
00136     return (strncmp( actual_string, prefix, strlen(prefix) ) == 0);
00137 }

void TString::Format	(	const char *	format,
			...
	)

Definition at line 139 of file tstring.cpp.

00140 {
00141     va_list params;
00142     char    string[ 256 ];
00143 
00144     va_start( params, format );
00145     vsprintf( string, format, params );
00146     va_end( params );
00147 
00148     *this = string;
00149 }

int TString::IndexOf ( const char * cstr ) const

Definition at line 69 of file tstring.cpp.

00070 {
00071     register int i,
00072                  j;
00073 
00074     if( cstr )
00075     {
00076         const register int N = Length( ),
00077                            M = strlen( cstr );
00078 
00079         for( i = 0, j = 0; i < N && j < M; i++, j++ )
00080         {
00081             while( actual_string[ i ] != cstr[ j ] )
00082             {
00083                 i -= j-1;
00084                 j = 0;
00085             }
00086         }
00087         if( j == M )
00088             return i-M;
00089     }
00090 
00091     return -1;
00092 }

int TString::IndexOf ( const char ch ) const

Definition at line 55 of file tstring.cpp.

00056 {
00057     register int i;
00058     const register int N = Length( );
00059 
00060     for( i = 0; i < N; i++ )
00061     {
00062         if( actual_string[ i ] == ch )
00063             return i;
00064     }
00065 
00066     return -1;
00067 }

int TString::LastIndexOf ( const char * ) const

int TString::LastIndexOf ( const char ch ) const

Definition at line 94 of file tstring.cpp.

00095 {
00096     register int i;
00097 
00098     for( i = Length( )-1; i >= 0; i-- )
00099     {
00100         if( actual_string[ i ] == ch )
00101             return i;
00102     }
00103     return -1;
00104 }

int TString::Length ( void ) const

Definition at line 48 of file tstring.cpp.

00049 {
00050     if( actual_string )
00051         return strlen( actual_string );
00052     return 0;
00053 }

TString::operator const char * ( void ) const [inline]

Definition at line 38 of file tstring.h.

00038 { return actual_string; };

const TString & TString::operator+= ( const TString & tstr )

Definition at line 195 of file tstring.cpp.

00196 {
00197     return (*this += (const char *)tstr);
00198 }

const TString & TString::operator+= ( const char * cstr )

Definition at line 174 of file tstring.cpp.

00175 {
00176     char * temp_string;
00177 
00178     if( cstr )
00179     {
00180         temp_string = new char[ Length( ) + strlen( cstr ) + 1 ];
00181 
00182         if( actual_string )
00183         {
00184             strcpy( temp_string, actual_string );
00185             delete[] actual_string;
00186         }
00187 
00188         strcat( temp_string, cstr );
00189         actual_string = temp_string;
00190     }
00191 
00192     return *this;
00193 }

const TString & TString::operator= ( const TString & tstr )

Definition at line 169 of file tstring.cpp.

00170 {
00171     return (*this = (const char *)tstr);
00172 }

const TString & TString::operator= ( const char * cstr )

Definition at line 152 of file tstring.cpp.

00153 {
00154     if( actual_string )
00155     {
00156         delete actual_string;
00157         actual_string = NULL;
00158     }
00159 
00160     if( cstr )
00161     {
00162         actual_string = new char[ strlen( cstr ) + 1 ];
00163         strcpy( actual_string, cstr );
00164     }
00165 
00166     return *this;
00167 }

const TString TString::Substring	(	int	begin,
		int	end
	)			const

Definition at line 116 of file tstring.cpp.

00117 {
00118     TString tstr;
00119     char * temp_string;
00120 
00121     if( begin < Length( ) && end > begin && end < Length( ) )
00122     {
00123         temp_string = new char[ end - begin + 2 ];
00124         strncpy( temp_string, actual_string + begin, end-begin+1 );
00125         tstr = temp_string;
00126         delete[] temp_string;
00127     }
00128 
00129     return tstr;
00130 }

const TString TString::Substring ( int begin ) const

Definition at line 106 of file tstring.cpp.

00107 {
00108     TString tstr;
00109 
00110     if( begin < Length( ) )
00111         tstr = actual_string + begin;
00112 
00113     return tstr;
00114 }

Friends And Related Function Documentation

bool operator!=	(	const TString &	tstr1,
		const TString &	tstr2
	)			`[friend]`

Definition at line 216 of file tstring.cpp.

00217 {
00218     if( (const char *)tstr1 == NULL || (const char *)tstr2 == NULL )
00219         return true;
00220     return ( strcmp( (const char *)tstr1, (const char *)tstr2 ) != 0 );
00221 }

const TString operator+	(	const TString &	tstr1,
		const TString &	tstr2
	)			`[friend]`

Definition at line 200 of file tstring.cpp.

00201 {
00202     TString temp_tstr( tstr1 );
00203 
00204     temp_tstr += tstr2;
00205 
00206     return temp_tstr;
00207 }

bool operator==	(	const TString &	tstr1,
		const TString &	tstr2
	)			`[friend]`

Definition at line 209 of file tstring.cpp.

00210 {
00211     if( (const char *)tstr1 == NULL || (const char *)tstr2 == NULL )
00212         return false;
00213     return ( strcmp( (const char *)tstr1, (const char *)tstr2 ) == 0 );
00214 }

Field Documentation

char* TString::actual_string [private]

Definition at line 29 of file tstring.h.

The documentation for this class was generated from the following files:

TString Class Reference

Public Member Functions

Private Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Field Documentation