Package ru.curs.celesta.dbutils.filter
Class SimpleCharStream
- java.lang.Object
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- ru.curs.celesta.dbutils.filter.SimpleCharStream
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public class SimpleCharStream extends Object
An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (without unicode processing).
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Field Summary
Fields Modifier and Type Field Description int
bufpos
Position in buffer.static boolean
staticFlag
Whether parser is static.
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Constructor Summary
Constructors Constructor Description SimpleCharStream(InputStream dstream)
Constructor.SimpleCharStream(InputStream dstream, int startline, int startcolumn)
Constructor.SimpleCharStream(InputStream dstream, int startline, int startcolumn, int buffersize)
Constructor.SimpleCharStream(InputStream dstream, String encoding)
Constructor.SimpleCharStream(InputStream dstream, String encoding, int startline, int startcolumn)
Constructor.SimpleCharStream(InputStream dstream, String encoding, int startline, int startcolumn, int buffersize)
Constructor.SimpleCharStream(Reader dstream)
Constructor.SimpleCharStream(Reader dstream, int startline, int startcolumn)
Constructor.SimpleCharStream(Reader dstream, int startline, int startcolumn, int buffersize)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description void
adjustBeginLineColumn(int newLine, int newCol)
Method to adjust line and column numbers for the start of a token.void
backup(int amount)
Backup a number of characters.char
BeginToken()
Start.void
Done()
Reset buffer when finished.int
getBeginColumn()
Get token beginning column number.int
getBeginLine()
Get token beginning line number.int
getColumn()
Deprecated.int
getEndColumn()
Get token end column number.int
getEndLine()
Get token end line number.String
GetImage()
Get token literal value.int
getLine()
Deprecated.char[]
GetSuffix(int len)
Get the suffix.int
getTabSize()
char
readChar()
Read a character.void
ReInit(InputStream dstream)
Reinitialise.void
ReInit(InputStream dstream, int startline, int startcolumn)
Reinitialise.void
ReInit(InputStream dstream, int startline, int startcolumn, int buffersize)
Reinitialise.void
ReInit(InputStream dstream, String encoding)
Reinitialise.void
ReInit(InputStream dstream, String encoding, int startline, int startcolumn)
Reinitialise.void
ReInit(InputStream dstream, String encoding, int startline, int startcolumn, int buffersize)
Reinitialise.void
ReInit(Reader dstream)
Reinitialise.void
ReInit(Reader dstream, int startline, int startcolumn)
Reinitialise.void
ReInit(Reader dstream, int startline, int startcolumn, int buffersize)
Reinitialise.void
setTabSize(int i)
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Field Detail
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staticFlag
public static final boolean staticFlag
Whether parser is static.- See Also:
- Constant Field Values
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bufpos
public int bufpos
Position in buffer.
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Constructor Detail
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SimpleCharStream
public SimpleCharStream(Reader dstream, int startline, int startcolumn, int buffersize)
Constructor.
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SimpleCharStream
public SimpleCharStream(Reader dstream, int startline, int startcolumn)
Constructor.
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SimpleCharStream
public SimpleCharStream(Reader dstream)
Constructor.
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SimpleCharStream
public SimpleCharStream(InputStream dstream, String encoding, int startline, int startcolumn, int buffersize) throws UnsupportedEncodingException
Constructor.- Throws:
UnsupportedEncodingException
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SimpleCharStream
public SimpleCharStream(InputStream dstream, int startline, int startcolumn, int buffersize)
Constructor.
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SimpleCharStream
public SimpleCharStream(InputStream dstream, String encoding, int startline, int startcolumn) throws UnsupportedEncodingException
Constructor.- Throws:
UnsupportedEncodingException
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SimpleCharStream
public SimpleCharStream(InputStream dstream, int startline, int startcolumn)
Constructor.
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SimpleCharStream
public SimpleCharStream(InputStream dstream, String encoding) throws UnsupportedEncodingException
Constructor.- Throws:
UnsupportedEncodingException
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SimpleCharStream
public SimpleCharStream(InputStream dstream)
Constructor.
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Method Detail
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setTabSize
public void setTabSize(int i)
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getTabSize
public int getTabSize()
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BeginToken
public char BeginToken() throws IOException
Start.- Throws:
IOException
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readChar
public char readChar() throws IOException
Read a character.- Throws:
IOException
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getColumn
@Deprecated public int getColumn()
Deprecated.- See Also:
getEndColumn()
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getLine
@Deprecated public int getLine()
Deprecated.- See Also:
getEndLine()
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getEndColumn
public int getEndColumn()
Get token end column number.
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getEndLine
public int getEndLine()
Get token end line number.
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getBeginColumn
public int getBeginColumn()
Get token beginning column number.
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getBeginLine
public int getBeginLine()
Get token beginning line number.
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backup
public void backup(int amount)
Backup a number of characters.
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ReInit
public void ReInit(Reader dstream, int startline, int startcolumn, int buffersize)
Reinitialise.
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ReInit
public void ReInit(Reader dstream, int startline, int startcolumn)
Reinitialise.
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ReInit
public void ReInit(Reader dstream)
Reinitialise.
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ReInit
public void ReInit(InputStream dstream, String encoding, int startline, int startcolumn, int buffersize) throws UnsupportedEncodingException
Reinitialise.- Throws:
UnsupportedEncodingException
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ReInit
public void ReInit(InputStream dstream, int startline, int startcolumn, int buffersize)
Reinitialise.
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ReInit
public void ReInit(InputStream dstream, String encoding) throws UnsupportedEncodingException
Reinitialise.- Throws:
UnsupportedEncodingException
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ReInit
public void ReInit(InputStream dstream)
Reinitialise.
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ReInit
public void ReInit(InputStream dstream, String encoding, int startline, int startcolumn) throws UnsupportedEncodingException
Reinitialise.- Throws:
UnsupportedEncodingException
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ReInit
public void ReInit(InputStream dstream, int startline, int startcolumn)
Reinitialise.
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GetImage
public String GetImage()
Get token literal value.
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GetSuffix
public char[] GetSuffix(int len)
Get the suffix.
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Done
public void Done()
Reset buffer when finished.
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adjustBeginLineColumn
public void adjustBeginLineColumn(int newLine, int newCol)
Method to adjust line and column numbers for the start of a token.
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