Class StringCharStream

java.lang.Object
org.codehaus.janino.util.charstream.StringCharStream
All Implemented Interfaces:
CharStream
public class StringCharStream extends Object implements CharStream
Reads from a String. Notice that none of the overridden methods throw IOException.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    private final String
    in
     
    private int
    pos
     

    Fields inherited from interface CharStream

    EOI

  • Constructor Summary

    Constructors
    Constructor
    Description
    StringCharStream(String in)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    atEoi()
     
    void
    eoi()
     
    int
    peek()
    Returns the next character on this stream but does not consume it.
    boolean
    peek(char c)
    Returns whether the character stream is not at end-of-input and the next character on this stream equals the given character.
    int
    peek(String chars)
    Checks whether the next character on this stream equals any of the characters of the given String.
    boolean
    peekRead(char c)
    If the next character on this stream equals the given character, it is consumed.
    int
    peekRead(String chars)
    If the next character on this stream is in the given String, it is consumed.
    char
    read()
    Consumes and returns the next character on this stream.
    void
    read(char c)
    Consumes the next character on this stream and verifies that it equals the given character.
    int
    read(String chars)
    Consumes the nect character and verifies that it matches one of the characters of the given String.
    String
    toString()
     

    Methods inherited from class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Field Details

    • in

      private final String in

    • pos

      private int pos

  • Constructor Details

    • StringCharStream

      public StringCharStream(String in)

  • Method Details

    • peek

      public int peek()
      Description copied from interface: CharStream
      Returns the next character on this stream but does not consume it.
      Specified by:
      peek in interface CharStream
      Returns:
      CharStream.EOI This stream is at end-of-input

    • peek

      public boolean peek(char c)
      Description copied from interface: CharStream
      Returns whether the character stream is not at end-of-input and the next character on this stream equals the given character. Does not consume any characters.
      Specified by:
      peek in interface CharStream

    • peek

      public int peek(String chars)
      Description copied from interface: CharStream
      Checks whether the next character on this stream equals any of the characters of the given String. Does not consume any characters.
      Specified by:
      peek in interface CharStream
      Returns:
      The position of the next character in the given String, or -1

    • read

      public char read() throws EOFException
      Description copied from interface: CharStream
      Consumes and returns the next character on this stream.
      Specified by:
      read in interface CharStream
      Throws:
      EOFException - This stream is at end-of-input

    • read

      public void read(char c) throws EOFException, UnexpectedCharacterException
      Description copied from interface: CharStream
      Consumes the next character on this stream and verifies that it equals the given character.
      Specified by:
      read in interface CharStream
      Throws:
      EOFException - This stream is at end-of-input
      UnexpectedCharacterException - The next character does not equal the given character

    • read

      public int read(String chars) throws EOFException, UnexpectedCharacterException
      Description copied from interface: CharStream
      Consumes the nect character and verifies that it matches one of the characters of the given String.
      Specified by:
      read in interface CharStream
      Returns:
      The position of the next character in the given String
      Throws:
      EOFException - This stream is at end-of-input
      UnexpectedCharacterException - The next character on this stream is not in the given String

    • peekRead

      public boolean peekRead(char c)
      Description copied from interface: CharStream
      If the next character on this stream equals the given character, it is consumed.
      Specified by:
      peekRead in interface CharStream
      Returns:
      true iff the next character on this stream equals the given character

    • peekRead

      public int peekRead(String chars)
      Description copied from interface: CharStream
      If the next character on this stream is in the given String, it is consumed.
      Specified by:
      peekRead in interface CharStream
      Returns:
      The position of the next character in the given String, or -1

    • eoi

      public void eoi() throws UnexpectedCharacterException
      Specified by:
      eoi in interface CharStream
      Throws:
      UnexpectedCharacterException - This stream is not at end-of-input

    • atEoi

      public boolean atEoi()
      Specified by:
      atEoi in interface CharStream
      Returns:
      Whether this stream is at end-of-input

    • toString

      public String toString()
      Overrides:
      toString in class Object