Ipelib
Public Member Functions | List of all members
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.

Referenced by ipe::Fixed::operator<<().

Member Function Documentation

String Lex::token ( )

Return NextToken, but without extracting it.

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.

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

int Lex::getInt ( )

Extract integer token (skipping whitespace).

References ipe::String::z().

Referenced by ipe::Bitmap::Bitmap(), ipe::ImlParser::parseBitmap(), ipe::ImlParser::parseObject(), and ipe::ImlParser::parseStyle().

int Lex::getHexByte ( )

Extract byte in hex (skipping whitespace).

Referenced by ipe::Bitmap::Bitmap(), and ipe::PdfString::decode().

Fixed Lex::getFixed ( )

Extract Fixed token (skipping whitespace).

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

unsigned long int Lex::getHexNumber ( )

Extract hexadecimal token (skipping whitespace).

References ipe::String::z().

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

double Lex::getDouble ( )

Extract double token (skipping whitespace).

References ipe::Platform::toDouble().

Referenced by 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 ipe::Buffer::Buffer(), and ipe::String::size().

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

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

Operator syntax for getInt().

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

Operator syntax for getDouble().

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

Operator syntax for getFixed().

void ipe::Lex::mark ( )
inline

Mark the current position.

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).

Referenced by ipe::Color::Color(), ipe::PdfString::decode(), ipe::Shape::load(), and ipe::ImlParser::parsePage().


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