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java.lang.Objectjava.io.Reader
it.unimi.dsi.io.FastBufferedReader
it.unimi.dsi.io.DelimitedWordReader
public class DelimitedWordReader
A word reader that breaks words on a given set of characters.
This class is a simple subclass of FastBufferedReader
. It
overwrites isWordConstituent(char)
so that word constituents
are defined negatively by a set of delimiters defined at construction time.
There is a constructor
accepting the delimiter set as a string
. Note that LF and CR are always considered to be delimiters.
Field Summary |
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Fields inherited from class it.unimi.dsi.io.FastBufferedReader |
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avail, buffer, bufferSize, DEFAULT_BUFFER_SIZE, pos, reader, wordConstituents |
Fields inherited from class java.io.Reader |
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lock |
Constructor Summary | |
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DelimitedWordReader(char[] array,
CharSet delimiters)
Creates a new delimited word reader by wrapping a given character array and using a set delimiters. |
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DelimitedWordReader(char[] array,
int offset,
int length,
CharSet delimiters)
Creates a new delimited word reader by wrapping a given fragment of a character array and using a set delimiters. |
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DelimitedWordReader(CharSet delimiters)
Creates a new delimited word reader with a buffer of FastBufferedReader.DEFAULT_BUFFER_SIZE characters. |
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DelimitedWordReader(int bufferSize,
CharSet delimiters)
Creates a new delimited word reader with a given buffer size and set of delimiters. |
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DelimitedWordReader(MutableString s,
CharSet delimiters)
Creates a new delimited word reader by wrapping a given mutable string and using a set of delimiters. |
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DelimitedWordReader(Reader r,
CharSet delimiters)
Creates a new delimited word reader by wrapping a given reader with a buffer of FastBufferedReader.DEFAULT_BUFFER_SIZE characters using a given set of delimiters. |
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DelimitedWordReader(Reader r,
int bufferSize,
CharSet delimiters)
Creates a new delimited word reader by wrapping a given reader with a given buffer size and using a set of delimiters. |
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DelimitedWordReader(String delimiters)
Creates a new delimited word reader with a buffer of FastBufferedReader.DEFAULT_BUFFER_SIZE characters. |
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DelimitedWordReader(String bufferSize,
String delimiters)
Creates a new delimited word reader with a given buffer size and set of delimiters. |
Method Summary | |
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protected boolean |
isWordConstituent(char c)
Returns whether the given character is a word constituent. |
String |
toSpec()
|
String |
toString()
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Methods inherited from class it.unimi.dsi.io.FastBufferedReader |
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close, copy, next, noMoreCharacters, read, read, readLine, setReader, skip |
Methods inherited from class java.io.Reader |
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mark, markSupported, read, read, ready, reset |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public DelimitedWordReader(int bufferSize, CharSet delimiters)
FastBufferedReader.setReader(Reader)
.
bufferSize
- the size in bytes of the internal buffer.delimiters
- a set of characters that will be considered word delimiters.public DelimitedWordReader(CharSet delimiters)
FastBufferedReader.DEFAULT_BUFFER_SIZE
characters.
The wrapped reader will have to be set later using FastBufferedReader.setReader(Reader)
.
delimiters
- a set of characters that will be considered word delimiters.public DelimitedWordReader(String delimiters)
FastBufferedReader.DEFAULT_BUFFER_SIZE
characters.
The wrapped reader will have to be set later using FastBufferedReader.setReader(Reader)
.
delimiters
- a set of characters that will be considered word delimiters, specified as a string.public DelimitedWordReader(String bufferSize, String delimiters)
FastBufferedReader.setReader(Reader)
.
bufferSize
- the size in bytes of the internal buffer, specified as a string.delimiters
- a set of characters that will be considered word delimiters, specified as a string.public DelimitedWordReader(Reader r, int bufferSize, CharSet delimiters)
r
- a reader to wrap.bufferSize
- the size in bytes of the internal buffer.delimiters
- a set of characters that will be considered word delimiters.public DelimitedWordReader(Reader r, CharSet delimiters)
FastBufferedReader.DEFAULT_BUFFER_SIZE
characters using a given set of delimiters.
r
- a reader to wrap.delimiters
- a set of characters that will be considered word delimiters.public DelimitedWordReader(char[] array, int offset, int length, CharSet delimiters)
The effect of FastBufferedReader.setReader(Reader)
on a buffer created with
this constructor is undefined.
array
- the array that will be wrapped by the reader.offset
- the first character to be used.length
- the number of character to be used.delimiters
- a set of characters that will be considered word delimiters.public DelimitedWordReader(char[] array, CharSet delimiters)
The effect of FastBufferedReader.setReader(Reader)
on a buffer created with
this constructor is undefined.
array
- the array that will be wrapped by the reader.delimiters
- a set of characters that will be considered word delimiters.public DelimitedWordReader(MutableString s, CharSet delimiters)
The effect of FastBufferedReader.setReader(Reader)
on a buffer created with
this constructor is undefined.
s
- the mutable string that will be wrapped by the reader.delimiters
- a set of characters that will be considered word delimiters.Method Detail |
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protected boolean isWordConstituent(char c)
FastBufferedReader
The behaviour of this FastBufferedReader
as a WordReader
can
be radically changed by overwriting this method.
isWordConstituent
in class FastBufferedReader
c
- a character.
c
should be considered a word constituent.public String toSpec()
toSpec
in class FastBufferedReader
public String toString()
toString
in class FastBufferedReader
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