org.boon.primitive

Class CharScanner

java.lang.Object

org.boon.primitive.CharScanner

public class CharScanner
extends Object

This class uses int, float and double parsing that I saw in Jackson for int parsing. I have mentioned this many times on my blog and to Tatu on a few occasions. The work is now a complete derivative, but early versions of the int parsing were heavily based on the same approach used in Jackson. I believe at all times the usage was small enough to be covered under "fair use". And now the work has been so derived and changed that it is a different beast.

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	ALPHA_0
protected static int	ALPHA_1
protected static int	ALPHA_2
protected static int	ALPHA_3
protected static int	ALPHA_4
protected static int	ALPHA_5
protected static int	ALPHA_6
protected static int	ALPHA_7
protected static int	ALPHA_8
protected static int	ALPHA_9
protected static int	CLOSED_BRACKET
protected static int	CLOSED_CURLY
protected static int	COMMA
protected static int	DECIMAL_POINT
protected static int	DOUBLE_QUOTE
protected static int	ESCAPE
protected static int	LETTER_BIG_E
protected static int	LETTER_E
protected static int	MINUS
protected static int	PLUS

Constructor Summary

Constructors

Constructor and Description
CharScanner()

Method Summary

Methods

Modifier and Type	Method and Description
static char[][]	compact(char[][] array)
static String	debugCharDescription(int c)
static String	errorDetails(String message, char[] array, int index, int ch)
static int	findChar(char c, char[] line)
static int	findChar(char c, int startIndex, char[] line)
static int	findChars(char[] matchChars, char[] line)
static int	findChars(char[] matchChars, int startIndex, char[] line)
static int	findEndQuote(char[] array, int index)
static int	findString(String matchString, char[] line)
static int	findString(String matchString, int startIndex, char[] line)
static int	findWhiteSpace(char[] line)
static int	findWhiteSpace(int start, char[] line)
static boolean	hasDecimalChar(char[] chars, boolean negative)
static boolean	hasEscapeChar(char[] array, int index, int[] indexHolder)
static boolean	isDecimalChar(int currentChar)
static boolean	isDecimalDigit(int c)
static boolean	isDelimiter(int c)
static boolean	isDigit(int c)
static boolean	isDigits(char[] inputArray)
static boolean	isDoubleQuote(int c)
static boolean	isEscape(int c)
static boolean	isInteger(char[] digitChars)
static boolean	isInteger(char[] digitChars, int offset, int len)
static boolean	isLong(char[] digitChars)
static boolean	isLong(char[] digitChars, int offset, int len)
static boolean	isNumberDigit(int c)
static boolean	matchChars(char[] matchChars, int startIndex, char[] line)
static double	parseDouble(char[] buffer)
static double	parseDouble(char[] buffer, int from, int to)
static float	parseFloat(char[] buffer)
static float	parseFloat(char[] buffer, int from, int to)
static int	parseInt(char[] digitChars)
static int	parseInt(char[] digitChars, int offset, int to)
static int	parseIntFromToIgnoreDot(char[] digitChars, int offset, int to)
static Number	parseJsonNumber(char[] buffer)
static Number	parseJsonNumber(char[] buffer, int from, int to)
static Number	parseJsonNumber(char[] buffer, int from, int max, int[] size)
static long	parseLong(char[] digitChars)
static long	parseLong(char[] digitChars, int offset, int to)
static long	parseLongFromToIgnoreDot(char[] digitChars, int offset, int to)
static char[]	readNumber(char[] array, int idx)
static char[]	readNumber(char[] array, int idx, int len)
static int	skipWhiteSpace(char[] array)
static int	skipWhiteSpace(char[] array, int index)
static int	skipWhiteSpace(char[] array, int index, int length)
static int	skipWhiteSpaceFast(char[] array)
static int	skipWhiteSpaceFast(char[] array, int index)
static char[][]	split(char[] inputArray, char split)
static char[][]	split(char[] inputArray, char split, int limit)
static char[][]	splitByChar(int splitChar, char[] inputArray)
static char[][]	splitByChars(char[] inputArray, char... delims)
static char[][]	splitByCharsFromToDelims(char[] inputArray, int from, int to, char... delims)
static char[][]	splitByCharsNoneEmpty(char[] inputArray, char... delims)
static char[][]	splitByCharsNoneEmpty(char[] inputArray, int from, int to, char... delims)
static char[][]	splitByPipe(char[] inputArray)
static char[][]	splitBySpace(char[] inputArray)
static char[][]	splitComma(char[] inputArray)
static char[][]	splitExact(char[] inputArray, char split, int resultsArrayLength)
static char[][]	splitExact(char[] inputArray, int resultsArrayLength, char... delims)
static char[][]	splitFrom(char[] inputArray, char split, int from)
static char[][]	splitFromStartWithLimit(char[] inputArray, char split, int start, int limit)
static char[][]	splitLines(char[] inputArray)

Methods inherited from class java.lang.Object

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

Field Detail

COMMA

protected static final int COMMA

See Also:

Constant Field Values

CLOSED_CURLY

protected static final int CLOSED_CURLY

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Constant Field Values

CLOSED_BRACKET

protected static final int CLOSED_BRACKET

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Constant Field Values

LETTER_E

protected static final int LETTER_E

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Constant Field Values

LETTER_BIG_E

protected static final int LETTER_BIG_E

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Constant Field Values

DECIMAL_POINT

protected static final int DECIMAL_POINT

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Constant Field Values

ALPHA_0

protected static final int ALPHA_0

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Constant Field Values

ALPHA_1

protected static final int ALPHA_1

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Constant Field Values

ALPHA_2

protected static final int ALPHA_2

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Constant Field Values

ALPHA_3

protected static final int ALPHA_3

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Constant Field Values

ALPHA_4

protected static final int ALPHA_4

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Constant Field Values

ALPHA_5

protected static final int ALPHA_5

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Constant Field Values

ALPHA_6

protected static final int ALPHA_6

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Constant Field Values

ALPHA_7

protected static final int ALPHA_7

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Constant Field Values

ALPHA_8

protected static final int ALPHA_8

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Constant Field Values

ALPHA_9

protected static final int ALPHA_9

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Constant Field Values

MINUS

protected static final int MINUS

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Constant Field Values

PLUS

protected static final int PLUS

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Constant Field Values

DOUBLE_QUOTE

protected static final int DOUBLE_QUOTE

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Constant Field Values

ESCAPE

protected static final int ESCAPE

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Constant Field Values

Constructor Detail

CharScanner

public CharScanner()

Method Detail

isDigit

public static boolean isDigit(int c)

isDecimalDigit

public static boolean isDecimalDigit(int c)

isDecimalChar

public static boolean isDecimalChar(int currentChar)

hasDecimalChar

public static boolean hasDecimalChar(char[] chars,
                     boolean negative)

isDigits

public static boolean isDigits(char[] inputArray)

splitExact

public static char[][] splitExact(char[] inputArray,
                  char split,
                  int resultsArrayLength)

splitExact

public static char[][] splitExact(char[] inputArray,
                  int resultsArrayLength,
                  char... delims)

splitLines

public static char[][] splitLines(char[] inputArray)

split

public static char[][] split(char[] inputArray,
             char split)

splitFrom

public static char[][] splitFrom(char[] inputArray,
                 char split,
                 int from)

split

public static char[][] split(char[] inputArray,
             char split,
             int limit)

splitFromStartWithLimit

public static char[][] splitFromStartWithLimit(char[] inputArray,
                               char split,
                               int start,
                               int limit)

splitByChars

public static char[][] splitByChars(char[] inputArray,
                    char... delims)

splitByCharsFromToDelims

public static char[][] splitByCharsFromToDelims(char[] inputArray,
                                int from,
                                int to,
                                char... delims)

splitByCharsNoneEmpty

public static char[][] splitByCharsNoneEmpty(char[] inputArray,
                             char... delims)

splitByCharsNoneEmpty

public static char[][] splitByCharsNoneEmpty(char[] inputArray,
                             int from,
                             int to,
                             char... delims)

compact

public static char[][] compact(char[][] array)

isLong

public static boolean isLong(char[] digitChars)

isLong

public static boolean isLong(char[] digitChars,
             int offset,
             int len)

isInteger

public static boolean isInteger(char[] digitChars)

isInteger

public static boolean isInteger(char[] digitChars,
                int offset,
                int len)

parseInt

public static int parseInt(char[] digitChars)

parseInt

public static int parseInt(char[] digitChars,
           int offset,
           int to)

parseIntFromToIgnoreDot

public static int parseIntFromToIgnoreDot(char[] digitChars,
                          int offset,
                          int to)

parseLongFromToIgnoreDot

public static long parseLongFromToIgnoreDot(char[] digitChars,
                            int offset,
                            int to)

parseLong

public static long parseLong(char[] digitChars,
             int offset,
             int to)

parseLong

public static long parseLong(char[] digitChars)

parseJsonNumber

public static Number parseJsonNumber(char[] buffer)

parseJsonNumber

public static Number parseJsonNumber(char[] buffer,
                     int from,
                     int to)

isNumberDigit

public static final boolean isNumberDigit(int c)

isDelimiter

public static boolean isDelimiter(int c)

parseJsonNumber

public static Number parseJsonNumber(char[] buffer,
                     int from,
                     int max,
                     int[] size)

parseFloat

public static float parseFloat(char[] buffer,
               int from,
               int to)

parseFloat

public static float parseFloat(char[] buffer)

parseDouble

public static double parseDouble(char[] buffer)

parseDouble

public static double parseDouble(char[] buffer,
                 int from,
                 int to)

skipWhiteSpace

public static int skipWhiteSpace(char[] array)

skipWhiteSpace

public static int skipWhiteSpace(char[] array,
                 int index)

skipWhiteSpace

public static int skipWhiteSpace(char[] array,
                 int index,
                 int length)

readNumber

public static char[] readNumber(char[] array,
                int idx)

readNumber

public static char[] readNumber(char[] array,
                int idx,
                int len)

skipWhiteSpaceFast

public static int skipWhiteSpaceFast(char[] array)

skipWhiteSpaceFast

public static int skipWhiteSpaceFast(char[] array,
                     int index)

errorDetails

public static String errorDetails(String message,
                  char[] array,
                  int index,
                  int ch)

debugCharDescription

public static String debugCharDescription(int c)

isDoubleQuote

public static final boolean isDoubleQuote(int c)

isEscape

public static final boolean isEscape(int c)

hasEscapeChar

public static boolean hasEscapeChar(char[] array,
                    int index,
                    int[] indexHolder)

findEndQuote

public static int findEndQuote(char[] array,
               int index)

splitComma

public static char[][] splitComma(char[] inputArray)

splitBySpace

public static char[][] splitBySpace(char[] inputArray)

splitByChar

public static char[][] splitByChar(int splitChar,
                   char[] inputArray)

findChar

public static int findChar(char c,
           char[] line)

findWhiteSpace

public static int findWhiteSpace(char[] line)

findWhiteSpace

public static int findWhiteSpace(int start,
                 char[] line)

findChar

public static int findChar(char c,
           int startIndex,
           char[] line)

findString

public static int findString(String matchString,
             int startIndex,
             char[] line)

findString

public static int findString(String matchString,
             char[] line)

findChars

public static int findChars(char[] matchChars,
            char[] line)

matchChars

public static boolean matchChars(char[] matchChars,
                 int startIndex,
                 char[] line)

findChars

public static int findChars(char[] matchChars,
            int startIndex,
            char[] line)

splitByPipe

public static char[][] splitByPipe(char[] inputArray)