Package org.apache.tomcat.util.json
Class JavaCharStream
- java.lang.Object
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- org.apache.tomcat.util.json.JavaCharStream
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public class JavaCharStream extends java.lang.ObjectAn implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (with java-like unicode escape processing).
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Field Summary
Fields Modifier and Type Field Description protected int[]bufcolumnprotected char[]bufferprotected int[]buflineintbufposPosition in buffer.protected intcolumnprotected intinBufprotected java.io.ReaderinputStreamprotected intlineprotected intmaxNextCharIndprotected char[]nextCharBufprotected intnextCharIndprotected booleanprevCharIsCRprotected booleanprevCharIsLFstatic booleanstaticFlagWhether parser is static.protected inttabSizeprotected booleantrackLineColumn
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Constructor Summary
Constructors Constructor Description JavaCharStream(java.io.InputStream dstream)Constructor.JavaCharStream(java.io.InputStream dstream, int startline, int startcolumn)Constructor.JavaCharStream(java.io.InputStream dstream, int startline, int startcolumn, int buffersize)Constructor.JavaCharStream(java.io.InputStream dstream, java.lang.String encoding)Constructor.JavaCharStream(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn)Constructor.JavaCharStream(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn, int buffersize)Constructor.JavaCharStream(java.io.Reader dstream)Constructor.JavaCharStream(java.io.Reader dstream, int startline, int startcolumn)Constructor.JavaCharStream(java.io.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 voidadjustBeginLineColumn(int newLine, int newCol)Method to adjust line and column numbers for the start of a token.protected voidAdjustBuffSize()voidbackup(int amount)Retreat.charBeginToken()voidDone()Set buffers back to null when finished.protected voidExpandBuff(boolean wrapAround)protected voidFillBuff()intgetBeginColumn()intgetBeginLine()intgetColumn()Deprecated.intgetEndColumn()Get end column.intgetEndLine()Get end line.java.lang.StringGetImage()intgetLine()Deprecated.char[]GetSuffix(int len)intgetTabSize()protected charReadByte()charreadChar()Read a character.voidReInit(java.io.InputStream dstream)Reinitialise.voidReInit(java.io.InputStream dstream, int startline, int startcolumn)Reinitialise.voidReInit(java.io.InputStream dstream, int startline, int startcolumn, int buffersize)Reinitialise.voidReInit(java.io.InputStream dstream, java.lang.String encoding)Reinitialise.voidReInit(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn)Reinitialise.voidReInit(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn, int buffersize)Reinitialise.voidReInit(java.io.Reader dstream)Reinitialise.voidReInit(java.io.Reader dstream, int startline, int startcolumn)Reinitialise.voidReInit(java.io.Reader dstream, int startline, int startcolumn, int buffersize)Reinitialise.voidsetTabSize(int i)protected voidUpdateLineColumn(char c)
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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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bufline
protected int[] bufline
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bufcolumn
protected int[] bufcolumn
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column
protected int column
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line
protected int line
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prevCharIsCR
protected boolean prevCharIsCR
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prevCharIsLF
protected boolean prevCharIsLF
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inputStream
protected java.io.Reader inputStream
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nextCharBuf
protected char[] nextCharBuf
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buffer
protected char[] buffer
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maxNextCharInd
protected int maxNextCharInd
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nextCharInd
protected int nextCharInd
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inBuf
protected int inBuf
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tabSize
protected int tabSize
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trackLineColumn
protected boolean trackLineColumn
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Constructor Detail
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JavaCharStream
public JavaCharStream(java.io.Reader dstream, int startline, int startcolumn, int buffersize)Constructor.
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JavaCharStream
public JavaCharStream(java.io.Reader dstream, int startline, int startcolumn)Constructor.
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JavaCharStream
public JavaCharStream(java.io.Reader dstream)
Constructor.
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JavaCharStream
public JavaCharStream(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn, int buffersize) throws java.io.UnsupportedEncodingExceptionConstructor.- Throws:
java.io.UnsupportedEncodingException
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JavaCharStream
public JavaCharStream(java.io.InputStream dstream, int startline, int startcolumn, int buffersize)Constructor.
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JavaCharStream
public JavaCharStream(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn) throws java.io.UnsupportedEncodingExceptionConstructor.- Throws:
java.io.UnsupportedEncodingException
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JavaCharStream
public JavaCharStream(java.io.InputStream dstream, int startline, int startcolumn)Constructor.
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JavaCharStream
public JavaCharStream(java.io.InputStream dstream, java.lang.String encoding) throws java.io.UnsupportedEncodingExceptionConstructor.- Throws:
java.io.UnsupportedEncodingException
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JavaCharStream
public JavaCharStream(java.io.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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ExpandBuff
protected void ExpandBuff(boolean wrapAround)
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FillBuff
protected void FillBuff() throws java.io.IOException- Throws:
java.io.IOException
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ReadByte
protected char ReadByte() throws java.io.IOException- Throws:
java.io.IOException
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BeginToken
public char BeginToken() throws java.io.IOException- Returns:
- starting character for token.
- Throws:
java.io.IOException
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AdjustBuffSize
protected void AdjustBuffSize()
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UpdateLineColumn
protected void UpdateLineColumn(char c)
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readChar
public char readChar() throws java.io.IOExceptionRead a character.- Throws:
java.io.IOException
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getColumn
@Deprecated public int getColumn()
Deprecated.
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getLine
@Deprecated public int getLine()
Deprecated.
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getEndColumn
public int getEndColumn()
Get end column.
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getEndLine
public int getEndLine()
Get end line.
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getBeginColumn
public int getBeginColumn()
- Returns:
- column of token start
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getBeginLine
public int getBeginLine()
- Returns:
- line number of token start
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backup
public void backup(int amount)
Retreat.
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ReInit
public void ReInit(java.io.Reader dstream, int startline, int startcolumn, int buffersize)Reinitialise.
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ReInit
public void ReInit(java.io.Reader dstream, int startline, int startcolumn)Reinitialise.
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ReInit
public void ReInit(java.io.Reader dstream)
Reinitialise.
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ReInit
public void ReInit(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn, int buffersize) throws java.io.UnsupportedEncodingExceptionReinitialise.- Throws:
java.io.UnsupportedEncodingException
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ReInit
public void ReInit(java.io.InputStream dstream, int startline, int startcolumn, int buffersize)Reinitialise.
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ReInit
public void ReInit(java.io.InputStream dstream, java.lang.String encoding, int startline, int startcolumn) throws java.io.UnsupportedEncodingExceptionReinitialise.- Throws:
java.io.UnsupportedEncodingException
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ReInit
public void ReInit(java.io.InputStream dstream, int startline, int startcolumn)Reinitialise.
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ReInit
public void ReInit(java.io.InputStream dstream, java.lang.String encoding) throws java.io.UnsupportedEncodingExceptionReinitialise.- Throws:
java.io.UnsupportedEncodingException
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ReInit
public void ReInit(java.io.InputStream dstream)
Reinitialise.
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GetImage
public java.lang.String GetImage()
- Returns:
- token image as String
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GetSuffix
public char[] GetSuffix(int len)
- Returns:
- suffix
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Done
public void Done()
Set buffers back to null 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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