Package org.eclipse.xtext.util

Class JavaStringConverter

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected void appendRegion​(java.lang.String string, int fromInclusive, int toExclusive, java.lang.StringBuilder result)  
      java.lang.String convertFromJavaString​(java.lang.String string, boolean useUnicode)
      Resolve Java control character sequences to the actual character value.
      protected java.lang.String convertFromJavaString​(java.lang.String string, boolean useUnicode, int index, java.lang.StringBuilder result)  
      java.lang.String convertToJavaString​(java.lang.String theString)
      Escapes control characters with a preceding backslash.
      java.lang.String convertToJavaString​(java.lang.String input, boolean useUnicode)
      Escapes control characters with a preceding backslash.
      static boolean doIsHexSequence​(char[] in, int off, int chars)  
      static boolean doIsHexSequence​(java.lang.String in, int off, int chars)  
      protected int doUnescapeCharAndAppendTo​(java.lang.String string, boolean useUnicode, int index, java.lang.StringBuilder result)  
      protected void escapeAndAppendTo​(char c, boolean useUnicode, java.lang.StringBuilder result)  
      protected int handleInvalidUnicodeEscapeSequence​(java.lang.String string, int index, java.lang.StringBuilder result)  
      protected int handleUnknownEscapeSequence​(java.lang.String string, char c, boolean useUnicode, int index, java.lang.StringBuilder result)  
      static boolean isHex​(char c)  
      protected boolean isHexSequence​(char[] in, int off, int chars)  
      protected boolean isHexSequence​(java.lang.String in, int off, int chars)  
      protected boolean isInvalidUnicodeEscapeSequence​(java.lang.String string, int index)
      Return true if the chars starting at index do not appear to be a unicode escape sequence (without the leading backslash u}.
      protected boolean mustEncodeAsEscapeSequence​(char next)  
      char toHex​(int i)  
      protected int unescapeCharAndAppendTo​(java.lang.String string, boolean useUnicode, int index, java.lang.StringBuilder result)  
      protected int unescapeUnicodeSequence​(java.lang.String string, int index, java.lang.StringBuilder result)  
      protected boolean validate​(char c, java.lang.StringBuilder result)  
      protected void validateAndAppendChar​(char c, java.lang.StringBuilder result)  
      protected boolean validateRegion​(java.lang.String string, int fromInclusive, int toExclusive, java.lang.StringBuilder result)  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • JavaStringConverter

        public JavaStringConverter()

    • Method Detail

      • convertFromJavaString

        public java.lang.String convertFromJavaString​(java.lang.String string,
                                              boolean useUnicode)
        Resolve Java control character sequences to the actual character value. Optionally handle unicode escape sequences, too.

      • appendRegion

        protected void appendRegion​(java.lang.String string,
                            int fromInclusive,
                            int toExclusive,
                            java.lang.StringBuilder result)

      • validateRegion

        protected boolean validateRegion​(java.lang.String string,
                                 int fromInclusive,
                                 int toExclusive,
                                 java.lang.StringBuilder result)

      • convertFromJavaString

        protected java.lang.String convertFromJavaString​(java.lang.String string,
                                                 boolean useUnicode,
                                                 int index,
                                                 java.lang.StringBuilder result)

      • unescapeCharAndAppendTo

        protected int unescapeCharAndAppendTo​(java.lang.String string,
                                      boolean useUnicode,
                                      int index,
                                      java.lang.StringBuilder result)

      • validateAndAppendChar

        protected void validateAndAppendChar​(char c,
                                     java.lang.StringBuilder result)

      • validate

        protected boolean validate​(char c,
                           java.lang.StringBuilder result)

      • doUnescapeCharAndAppendTo

        protected int doUnescapeCharAndAppendTo​(java.lang.String string,
                                        boolean useUnicode,
                                        int index,
                                        java.lang.StringBuilder result)

      • handleUnknownEscapeSequence

        protected int handleUnknownEscapeSequence​(java.lang.String string,
                                          char c,
                                          boolean useUnicode,
                                          int index,
                                          java.lang.StringBuilder result)

      • unescapeUnicodeSequence

        protected int unescapeUnicodeSequence​(java.lang.String string,
                                      int index,
                                      java.lang.StringBuilder result)

      • isInvalidUnicodeEscapeSequence

        protected boolean isInvalidUnicodeEscapeSequence​(java.lang.String string,
                                                 int index)
        Return true if the chars starting at index do not appear to be a unicode escape sequence (without the leading backslash u}.

      • handleInvalidUnicodeEscapeSequence

        protected int handleInvalidUnicodeEscapeSequence​(java.lang.String string,
                                                 int index,
                                                 java.lang.StringBuilder result)

      • convertToJavaString

        public java.lang.String convertToJavaString​(java.lang.String theString)
        Escapes control characters with a preceding backslash. Encodes special chars as unicode escape sequence. The resulting string is safe to be put into a Java string literal between the quotes.

      • convertToJavaString

        public java.lang.String convertToJavaString​(java.lang.String input,
                                            boolean useUnicode)
        Escapes control characters with a preceding backslash. Optionally encodes special chars as unicode escape sequence. The resulting string is safe to be put into a Java string literal between the quotes.

      • escapeAndAppendTo

        protected void escapeAndAppendTo​(char c,
                                 boolean useUnicode,
                                 java.lang.StringBuilder result)

      • mustEncodeAsEscapeSequence

        protected boolean mustEncodeAsEscapeSequence​(char next)

      • toHex

        public char toHex​(int i)

      • isHexSequence

        protected boolean isHexSequence​(java.lang.String in,
                                int off,
                                int chars)

      • doIsHexSequence

        public static boolean doIsHexSequence​(java.lang.String in,
                                      int off,
                                      int chars)

      • isHexSequence

        protected boolean isHexSequence​(char[] in,
                                int off,
                                int chars)

      • doIsHexSequence

        public static boolean doIsHexSequence​(char[] in,
                                      int off,
                                      int chars)

      • isHex

        public static boolean isHex​(char c)