Ipelib
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ipe::Lex Class Reference

#include <ipebase.h>

Public Member Functions

 Lex (String str)
 
String token ()
 
String nextToken ()
 
int getInt ()
 
int getHexByte ()
 
Fixed getFixed ()
 
unsigned long int getHexNumber ()
 
double getDouble ()
 
char getChar ()
 
void skipWhitespace ()
 
Lexoperator>> (int &i)
 
Lexoperator>> (double &d)
 
Lexoperator>> (Fixed &d)
 
void mark ()
 
void fromMark ()
 
bool eos () const
 

Detailed Description

Lexical analyser. Seeded with a string.

Constructor & Destructor Documentation

Lex::Lex ( String  str)
explicit

Construct lexical analyzer from a string.

Member Function Documentation

String Lex::token ( )

Return NextToken, but without extracting it.

References nextToken().

Referenced by ipe::Shape::load().

String Lex::nextToken ( )

Extract next token.

Skips any whitespace before the token. Returns empty string if end of string is reached.

References eos(), mark(), skipWhitespace(), and ipe::String::substr().

Referenced by getDouble(), getFixed(), getHexNumber(), getInt(), ipe::Shape::load(), ipe::ImlParser::parsePage(), and token().

int Lex::getInt ( )
int Lex::getHexByte ( )

Extract byte in hex (skipping whitespace).

References eos(), and skipWhitespace().

Referenced by ipe::Bitmap::Bitmap().

Fixed Lex::getFixed ( )

Extract Fixed token (skipping whitespace).

References ipe::Fixed::fromInternal(), nextToken(), ipe::String::size(), ipe::String::substr(), and ipe::String::z().

Referenced by operator>>().

unsigned long int Lex::getHexNumber ( )

Extract hexadecimal token (skipping whitespace).

References nextToken(), and ipe::String::z().

double Lex::getDouble ( )

Extract double token (skipping whitespace).

References nextToken(), and ipe::Platform::toDouble().

Referenced by ipe::PdfPainter::doDrawText(), operator>>(), ipe::ImlParser::parseStyle(), and ipe::Text::Text().

char ipe::Lex::getChar ( )
inline

Extract next character (not skipping anything).

void Lex::skipWhitespace ( )

Skip over whitespace.

References eos().

Referenced by getHexByte(), ipe::Shape::load(), nextToken(), and ipe::ImlParser::parsePage().

Lex& ipe::Lex::operator>> ( int &  i)
inline

Operator syntax for getInt().

References getInt().

Lex& ipe::Lex::operator>> ( double &  d)
inline

Operator syntax for getDouble().

References getDouble().

Lex& ipe::Lex::operator>> ( Fixed d)
inline

Operator syntax for getFixed().

References getFixed().

void ipe::Lex::mark ( )
inline

Mark the current position.

Referenced by nextToken().

void ipe::Lex::fromMark ( )
inline

Reset reader to the marked position.

bool ipe::Lex::eos ( ) const
inline

Return true if at end of string (not even whitespace left).

References ipe::String::size().

Referenced by ipe::Color::Color(), getHexByte(), ipe::Shape::load(), nextToken(), ipe::ImlParser::parsePage(), and skipWhitespace().


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