Package org.apache.groovy.json.internal

Class ReaderCharacterSource

java.lang.Object
org.apache.groovy.json.internal.ReaderCharacterSource
All Implemented Interfaces:
CharacterSource
public class ReaderCharacterSource
extends java.lang.Object
implements CharacterSource

  • Constructor Summary

    Constructors
    Constructor Description
    ReaderCharacterSource​(java.io.Reader reader)  
    ReaderCharacterSource​(java.io.Reader reader, int readAheadSize)  
    ReaderCharacterSource​(java.lang.String string)  

  • Method Summary

    Modifier and Type Method Description
    boolean consumeIfMatch​(char[] match)
    Useful for finding constants in a string like true, false, etc.
    int currentChar()
    returns the current character without changing the IO pointer or index.
    java.lang.String errorDetails​(java.lang.String message)  
    char[] findNextChar​(int match, int esc)
    Used to find strings and their ilk Finds the next non-escaped char
    boolean hadEscape()  
    boolean hasChar()
    Checks to see if there is a next character.
    int location()
    This is mostly for debugging and testing.
    int nextChar()
    returns the next character moving the file pointer or index to the next location.
    char[] readNumber()
    Reads a number from the character source.
    int safeNextChar()
    Combines the operations of nextChar and hasChar.
    void skipWhiteSpace()
    Skip white space.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • ReaderCharacterSource

      public ReaderCharacterSource​(java.io.Reader reader, int readAheadSize)

    • ReaderCharacterSource

      public ReaderCharacterSource​(java.io.Reader reader)

    • ReaderCharacterSource

      public ReaderCharacterSource​(java.lang.String string)

  • Method Details

    • nextChar

      public final int nextChar()
      Description copied from interface: CharacterSource
      returns the next character moving the file pointer or index to the next location.
      Specified by:
      nextChar in interface CharacterSource

    • currentChar

      public final int currentChar()
      Description copied from interface: CharacterSource
      returns the current character without changing the IO pointer or index.
      Specified by:
      currentChar in interface CharacterSource

    • hasChar

      public final boolean hasChar()
      Description copied from interface: CharacterSource
      Checks to see if there is a next character.
      Specified by:
      hasChar in interface CharacterSource

    • consumeIfMatch

      public final boolean consumeIfMatch​(char[] match)
      Description copied from interface: CharacterSource
      Useful for finding constants in a string like true, false, etc.
      Specified by:
      consumeIfMatch in interface CharacterSource

    • location

      public final int location()
      Description copied from interface: CharacterSource
      This is mostly for debugging and testing.
      Specified by:
      location in interface CharacterSource

    • safeNextChar

      public final int safeNextChar()
      Description copied from interface: CharacterSource
      Combines the operations of nextChar and hasChar. Characters is -1 if not found which signifies end of file. This might be preferable to avoid two method calls.
      Specified by:
      safeNextChar in interface CharacterSource

    • findNextChar

      public char[] findNextChar​(int match, int esc)
      Description copied from interface: CharacterSource
      Used to find strings and their ilk Finds the next non-escaped char
      Specified by:
      findNextChar in interface CharacterSource
      Parameters:
      match - character to find
      esc - escape character to avoid next char if escaped
      Returns:
      list of chars until this is found.

    • hadEscape

      public boolean hadEscape()
      Specified by:
      hadEscape in interface CharacterSource

    • skipWhiteSpace

      public void skipWhiteSpace()
      Description copied from interface: CharacterSource
      Skip white space.
      Specified by:
      skipWhiteSpace in interface CharacterSource

    • readNumber

      public char[] readNumber()
      Description copied from interface: CharacterSource
      Reads a number from the character source.
      Specified by:
      readNumber in interface CharacterSource

    • errorDetails

      public java.lang.String errorDetails​(java.lang.String message)
      Specified by:
      errorDetails in interface CharacterSource