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ec.util

Class Code



  • public class Code
    extends Object 
    Code provides some simple wrapper functions for encoding and decoding basic data types for storage in a pseudo-Java source code strings format. This differs from just "printing" them to string in that the actual precision of the object is maintained. Code attempts to keep the representations as "Java-like" as possible -- the exceptions being primarily floats and doubles, which are encoded as ints and longs. Encoding of objects and arrays is not supported. You'll have to handle that yourself. Strings are supported.

    Everything is case-SENSITIVE. Here's the breakdown.

    Type Format
    boolean true or false (old style, case sensitive) or T or F (new style, case sensitive)
    byte bbyte|
    short sshort|
    int iint|
    long llong|
    float ffloatConvertedToIntForStorage|humanReadableFloat| or (only for reading in) f|humanReadableFloat|
    float ddoubleConvertedToLongForStorage|humanReadableDouble| or (only for reading in) d|humanReadableDouble|
    char standard Java char, except that the only valid escape sequences are: 0円 \t \n \b \' \" \ u unicodeHex
    string standard Java string with \ u ...\ u Unicode escapes, except that the only other valid escape sequences are: 0円 \t \n \b \' \"
    Version:
    1.0
    Author:
    Sean Luke
    • Constructor Detail

      • Code

        public Code()
    • Method Detail

      • encode

        public static String encode(boolean b)
        Encodes a boolean.
      • encode

        public static String encode(byte b)
        Encodes a byte.
      • encode

        public static String encode(char c)
        Encodes a character.
      • encode

        public static String encode(short s)
        Encodes a short.
      • encode

        public static String encode(int i)
        Encodes an int.
      • encode

        public static String encode(long l)
        Encodes a long.
      • encode

        public static String encode(float f)
        Encodes a float.
      • encode

        public static String encode(double d)
        Encodes a double.
      • encode

        public static String encode(String s)
        Encodes a String.
      • decode

        public static void decode(DecodeReturn d)
        Decodes the next item out of a DecodeReturn and modifies the DecodeReturn to hold the results. See DecodeReturn for more explanations about how to interpret the results.
      • checkPreamble

        public static DecodeReturn checkPreamble(String preamble,
         EvolutionState state,
         LineNumberReader reader)
        Finds the next nonblank line, then trims the line and checks the preamble. Returns a DecodeReturn on the line if successful, else posts a fatal error. Sets the DecodeReturn's line number. The DecodeReturn has not yet been decoded. You'll need to do that with Code.decode(...)
      • readStringWithPreamble

        public static String readStringWithPreamble(String preamble,
         EvolutionState state,
         LineNumberReader reader)
        Finds the next nonblank line, skips past an expected preamble, and reads in a string if there is one, and returns it. Generates an error otherwise.
      • readCharacterWithPreamble

        public static char readCharacterWithPreamble(String preamble,
         EvolutionState state,
         LineNumberReader reader)
        Finds the next nonblank line, skips past an expected preamble, and reads in a character if there is one, and returns it. Generates an error otherwise.
      • readByteWithPreamble

        public static byte readByteWithPreamble(String preamble,
         EvolutionState state,
         LineNumberReader reader)
        Finds the next nonblank line, skips past an expected preamble, and reads in a byte if there is one, and returns it. Generates an error otherwise.
      • readShortWithPreamble

        public static short readShortWithPreamble(String preamble,
         EvolutionState state,
         LineNumberReader reader)
        Finds the next nonblank line, skips past an expected preamble, and reads in a short if there is one, and returns it. Generates an error otherwise.
      • readLongWithPreamble

        public static long readLongWithPreamble(String preamble,
         EvolutionState state,
         LineNumberReader reader)
        Finds the next nonblank line, skips past an expected preamble, and reads in a long if there is one, and returns it. Generates an error otherwise.
      • readIntegerWithPreamble

        public static int readIntegerWithPreamble(String preamble,
         EvolutionState state,
         LineNumberReader reader)
        Finds the next nonblank line, skips past an expected preamble, and reads in an integer if there is one, and returns it. Generates an error otherwise.
      • readFloatWithPreamble

        public static float readFloatWithPreamble(String preamble,
         EvolutionState state,
         LineNumberReader reader)
        Finds the next nonblank line, skips past an expected preamble, and reads in a float if there is one, and returns it. Generates an error otherwise.
      • readDoubleWithPreamble

        public static double readDoubleWithPreamble(String preamble,
         EvolutionState state,
         LineNumberReader reader)
        Finds the next nonblank line, skips past an expected preamble, and reads in a double if there is one, and returns it. Generates an error otherwise.
      • readBooleanWithPreamble

        public static boolean readBooleanWithPreamble(String preamble,
         EvolutionState state,
         LineNumberReader reader)
        Finds the next nonblank line, skips past an expected preamble, and reads in a boolean value ("true" or "false") if there is one, and returns it. Generates an error otherwise.
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