com.dkfqs.tools.interpreter

Class ParseToken

java.lang.Object

com.dkfqs.tools.interpreter.ParseToken

public class ParseToken
extends java.lang.Object

Parse an interpreter token.
Programming Example:

    String input = "haha \t x (aber ) nein";
    ParseToken parseToken = new ParseToken(input);
    String nextToken = parseToken.parseNext();
    while (nextToken != null) {
      System.out.println("Token = '" + nextToken+ "'");
      nextToken = parseToken.parseNext();
    }

    Output:
      Token = 'haha'
      Token = 'x'
      Token = '('
      Token = 'aber'
      Token = ')'
      Token = 'nein'
 

Constructor Summary

Constructors

Constructor and Description
ParseToken(java.lang.String inputText) Create a new instance.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getInputText() Get the input text as passed by the constructor.
int	getParsingOffset() Get the current parsing offset (number of chars) related to the input text.
java.lang.String	getRemainingInputText() Get the remaining input text (after the parsed token).
static void	main(java.lang.String[] args) Internal test program.
java.lang.String	parseNext() Parse the next token.
void	setSupportParseTokensInDoubleQuotes(boolean supportParseTokensInDoubleQuotes) Support to parse tokens which are enfolded by double quotes (default = true).

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ParseToken

public ParseToken(java.lang.String inputText)

Create a new instance.

Parameters:

inputText - the input to parse

Method Detail

setSupportParseTokensInDoubleQuotes

public void setSupportParseTokensInDoubleQuotes(boolean supportParseTokensInDoubleQuotes)

Support to parse tokens which are enfolded by double quotes (default = true).

Parameters:

supportParseTokensInDoubleQuotes - true = support to parse tokens which are enfolded by double quotes chars

parseNext

public java.lang.String parseNext()

Parse the next token.

Returns:

the parsed next token, or null if no next token is available

See Also:

getRemainingInputText()

getInputText

public java.lang.String getInputText()

Get the input text as passed by the constructor.

Returns:

the input text as passed by the constructor

getRemainingInputText

public java.lang.String getRemainingInputText()

Get the remaining input text (after the parsed token).

Returns:

the remaining input text

getParsingOffset

public int getParsingOffset()

Get the current parsing offset (number of chars) related to the input text.

Returns:

the current parsing offset (number of chars)

main

public static void main(java.lang.String[] args)

Internal test program.

Parameters:

args - [no args]