Package com.univocity.parsers.common.input

Class ExpandingCharAppender

java.lang.Object

com.univocity.parsers.common.input.DefaultCharAppender

com.univocity.parsers.common.input.ExpandingCharAppender

All Implemented Interfaces:

CharAppender, CharSequence

Direct Known Subclasses:

ElasticCharAppender, WriterCharAppender

public class ExpandingCharAppender
extends DefaultCharAppender

An implementation CharAppender that expands the internal buffer of characters as required.

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	MAX_ARRAY_LENGTH

Fields inherited from class com.univocity.parsers.common.input.DefaultCharAppender

chars, emptyChars, emptyValue, index, whitespaceCount, whitespaceRangeStart

Constructor Summary

Constructors

Constructor	Description
ExpandingCharAppender(int initialBufferLength, String emptyValue, int whitespaceRangeStart)	Creates an ExpandingCharAppender a the default value to return when no characters have been accumulated.
ExpandingCharAppender(String emptyValue, int whitespaceRangeStart)	Creates an ExpandingCharAppender a the default value to return when no characters have been accumulated.

Method Summary

Modifier and Type	Method	Description
void	append(char ch)	Appends the given character.
final void	append(char[] ch, int from, int length)	Appends characters from an input array
final void	append(DefaultCharAppender appender)	Appends the contents of another DefaultCharAppender, discarding any of its trailing whitespace characters
final void	append(String string, int from, int to)	Appends the contents of a String to this appender
void	appendIgnoringPadding(char ch, char padding)	Appends the given character and marks it as ignored if it is a padding character (the definition of a padding character is implementation dependent.)
void	appendIgnoringWhitespace(char ch)	Appends the given character and marks it as ignored if it is a whitespace (ch <= ' ')
void	appendIgnoringWhitespaceAndPadding(char ch, char padding)	Appends the given character and marks it as ignored if it is a whitespace (ch <= ' ') or a padding character (the definition of a padding character is implementation dependent.)
final char	appendUntil(char ch, CharInput input, char stop)	Appends characters from the input, until a stop character is found
final char	appendUntil(char ch, CharInput input, char stop1, char stop2)	Appends characters from the input, until a stop character is found
final char	appendUntil(char ch, CharInput input, char stop1, char stop2, char stop3)	Appends characters from the input, until a stop character is found
(package private) final void	expand()
(package private) final void	expand(int additionalLength)
private void	expand(int additionalLength, double factor)
(package private) final void	expandAndRetry()
final void	fill(char ch, int length)	Adds a sequence of repeated characters to the input.
final void	prepend(char ch)	Prepends the current accumulated value with a character
final void	prepend(char[] chars)	Prepends the current accumulated value a sequence of characters
final void	prepend(char ch1, char ch2)	Prepends the current accumulated value with a couple of characters

Methods inherited from class com.univocity.parsers.common.input.DefaultCharAppender

append, append, append, append, append, charAt, delete, getAndReset, getChars, getCharsAndReset, ignore, indexOf, indexOf, indexOf, indexOfAny, isEmpty, lastIndexOf, length, remove, reset, resetWhitespaceCount, subSequence, substring, toString, updateWhitespace, whitespaceCount

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.CharSequence

chars, codePoints

Field Details

MAX_ARRAY_LENGTH

private static final int MAX_ARRAY_LENGTH

See Also:

• Constant Field Values

Constructor Details

ExpandingCharAppender

public ExpandingCharAppender(String emptyValue,
 int whitespaceRangeStart)

Creates an ExpandingCharAppender a the default value to return when no characters have been accumulated. The padding character is defaulted to a whitespace character ' '.

Parameters:

emptyValue - default value to return when no characters have been accumulated

whitespaceRangeStart - starting range of characters considered to be whitespace.

ExpandingCharAppender

public ExpandingCharAppender(int initialBufferLength,
 String emptyValue,
 int whitespaceRangeStart)

Creates an ExpandingCharAppender a the default value to return when no characters have been accumulated. The padding character is defaulted to a whitespace character ' '.

Parameters:

initialBufferLength - the initial length of the internal buffer.

emptyValue - default value to return when no characters have been accumulated

whitespaceRangeStart - starting range of characters considered to be whitespace.

Method Details

appendIgnoringWhitespace

public void appendIgnoringWhitespace(char ch)

Description copied from interface: CharAppender

Appends the given character and marks it as ignored if it is a whitespace (ch <= ' ')

Specified by:

appendIgnoringWhitespace in interface CharAppender

Overrides:

appendIgnoringWhitespace in class DefaultCharAppender

Parameters:

ch - character to append

appendIgnoringPadding

public void appendIgnoringPadding(char ch,
 char padding)

Description copied from interface: CharAppender

Appends the given character and marks it as ignored if it is a padding character (the definition of a padding character is implementation dependent.)

Specified by:

appendIgnoringPadding in interface CharAppender

Overrides:

appendIgnoringPadding in class DefaultCharAppender

Parameters:

ch - character to append

padding - the padding character to ignore

appendIgnoringWhitespaceAndPadding

public void appendIgnoringWhitespaceAndPadding(char ch,
 char padding)

Description copied from interface: CharAppender

Appends the given character and marks it as ignored if it is a whitespace (ch <= ' ') or a padding character (the definition of a padding character is implementation dependent.)

Specified by:

appendIgnoringWhitespaceAndPadding in interface CharAppender

Overrides:

appendIgnoringWhitespaceAndPadding in class DefaultCharAppender

Parameters:

ch - character to append

padding - the padding character to ignore

append

public void append(char ch)

Description copied from interface: CharAppender

Appends the given character.

Specified by:

append in interface CharAppender

Overrides:

append in class DefaultCharAppender

Parameters:

ch - the character to append

fill

public final void fill(char ch,
 int length)

Description copied from interface: CharAppender

Adds a sequence of repeated characters to the input.

Specified by:

fill in interface CharAppender

Overrides:

fill in class DefaultCharAppender

Parameters:

ch - the character to append

length - the number of times the given character should be appended.

expandAndRetry

final void expandAndRetry()

expand

private void expand(int additionalLength,
 double factor)

expand

final void expand()

expand

final void expand(int additionalLength)

prepend

public final void prepend(char ch)

Description copied from class: DefaultCharAppender

Prepends the current accumulated value with a character

Specified by:

prepend in interface CharAppender

Overrides:

prepend in class DefaultCharAppender

Parameters:

ch - the character to prepend in front of the current accumulated value.

prepend

public final void prepend(char ch1,
 char ch2)

Description copied from interface: CharAppender

Prepends the current accumulated value with a couple of characters

Specified by:

prepend in interface CharAppender

Overrides:

prepend in class DefaultCharAppender

Parameters:

ch1 - the first character to prepend in front of the current accumulated value.

ch2 - the second character to prepend in front of the current accumulated value.

prepend

public final void prepend(char[] chars)

Description copied from interface: CharAppender

Prepends the current accumulated value a sequence of characters

Specified by:

prepend in interface CharAppender

Overrides:

prepend in class DefaultCharAppender

Parameters:

chars - the character sequence to prepend in front of the current accumulated value.

append

public final void append(DefaultCharAppender appender)

Description copied from class: DefaultCharAppender

Appends the contents of another DefaultCharAppender, discarding any of its trailing whitespace characters

Overrides:

append in class DefaultCharAppender

Parameters:

appender - The DefaultCharAppender instance got get contents from.

appendUntil

public final char appendUntil(char ch,
 CharInput input,
 char stop)

Description copied from interface: CharAppender

Appends characters from the input, until a stop character is found

Specified by:

appendUntil in interface CharAppender

Overrides:

appendUntil in class DefaultCharAppender

Parameters:

ch - the first character of the input to be appended.

input - the input whose the following characters will be appended

stop - the stop character

Returns:

the stop character found on the input.

appendUntil

public final char appendUntil(char ch,
 CharInput input,
 char stop1,
 char stop2)

Description copied from interface: CharAppender

Appends characters from the input, until a stop character is found

Specified by:

appendUntil in interface CharAppender

Overrides:

appendUntil in class DefaultCharAppender

Parameters:

ch - the first character of the input to be appended.

input - the input whose the following characters will be appended

stop1 - the first stop character

stop2 - the second stop character

Returns:

one of the stop characters found on the input.

appendUntil

public final char appendUntil(char ch,
 CharInput input,
 char stop1,
 char stop2,
 char stop3)

Description copied from interface: CharAppender

Appends characters from the input, until a stop character is found

Specified by:

appendUntil in interface CharAppender

Overrides:

appendUntil in class DefaultCharAppender

Parameters:

ch - the first character of the input to be appended.

input - the input whose the following characters will be appended

stop1 - the first stop character

stop2 - the second stop character

stop3 - the third stop character

Returns:

one of the stop characters found on the input.

append

public final void append(char[] ch,
 int from,
 int length)

Description copied from interface: CharAppender

Appends characters from an input array

Specified by:

append in interface CharAppender

Overrides:

append in class DefaultCharAppender

Parameters:

ch - the character array

from - the position of the first character in the array to be appended

length - the number of characters to be appended from the given posiion.

append

public final void append(String string,
 int from,
 int to)

Description copied from interface: CharAppender

Appends the contents of a String to this appender

Specified by:

append in interface CharAppender

Overrides:

append in class DefaultCharAppender

Parameters:

string - the string whose characters will be appended.

from - the index of the first character to append

to - the index of the last character to append