Class JavaCharStream
java.lang.Object
org.apache.cayenne.template.parser.JavaCharStream
public class JavaCharStream extends Object
An implementation of interface CharStream, where the stream is assumed to
contain only ASCII characters (with java-like unicode escape processing).
- Since:
- 4.1
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Field Summary
Fields Modifier and Type Field Description protected int[]bufcolumnprotected char[]bufferprotected int[]buflineintbufposPosition in buffer.protected intcolumnprotected intinBufprotected ReaderinputStreamprotected intlineprotected intmaxNextCharIndprotected char[]nextCharBufprotected intnextCharIndprotected booleanprevCharIsCRprotected booleanprevCharIsLFstatic booleanstaticFlagWhether parser is static.protected inttabSize -
Constructor Summary
Constructors Constructor Description JavaCharStream(InputStream dstream)Constructor.JavaCharStream(InputStream dstream, int startline, int startcolumn)Constructor.JavaCharStream(InputStream dstream, int startline, int startcolumn, int buffersize)Constructor.JavaCharStream(InputStream dstream, String encoding)Constructor.JavaCharStream(InputStream dstream, String encoding, int startline, int startcolumn)Constructor.JavaCharStream(InputStream dstream, String encoding, int startline, int startcolumn, int buffersize)Constructor.JavaCharStream(Reader dstream)Constructor.JavaCharStream(Reader dstream, int startline, int startcolumn)Constructor.JavaCharStream(Reader dstream, int startline, int startcolumn, int buffersize)Constructor. -
Method Summary
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()intgetEndColumn()Get end column.intgetEndLine()Get end line.StringGetImage()char[]GetSuffix(int len)protected charReadByte()charreadChar()Read a character.voidReInit(InputStream dstream)Reinitialise.voidReInit(InputStream dstream, int startline, int startcolumn)Reinitialise.voidReInit(InputStream dstream, int startline, int startcolumn, int buffersize)Reinitialise.voidReInit(InputStream dstream, String encoding)Reinitialise.voidReInit(InputStream dstream, String encoding, int startline, int startcolumn)Reinitialise.voidReInit(InputStream dstream, String encoding, int startline, int startcolumn, int buffersize)Reinitialise.voidReInit(Reader dstream)Reinitialise.voidReInit(Reader dstream, int startline, int startcolumn)Reinitialise.voidReInit(Reader dstream, int startline, int startcolumn, int buffersize)Reinitialise.protected voidUpdateLineColumn(char c)
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Field Details
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staticFlag
public static final boolean staticFlagWhether parser is static.- See Also:
- Constant Field Values
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bufpos
public int bufposPosition in buffer. -
bufline
protected int[] bufline -
bufcolumn
protected int[] bufcolumn -
column
protected int column -
line
protected int line -
prevCharIsCR
protected boolean prevCharIsCR -
prevCharIsLF
protected boolean prevCharIsLF -
inputStream
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nextCharBuf
protected char[] nextCharBuf -
buffer
protected char[] buffer -
maxNextCharInd
protected int maxNextCharInd -
nextCharInd
protected int nextCharInd -
inBuf
protected int inBuf -
tabSize
protected int tabSize
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Constructor Details
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JavaCharStream
Constructor. -
JavaCharStream
Constructor. -
JavaCharStream
Constructor. -
JavaCharStream
public JavaCharStream(InputStream dstream, String encoding, int startline, int startcolumn, int buffersize) throws UnsupportedEncodingExceptionConstructor.- Throws:
UnsupportedEncodingException
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JavaCharStream
Constructor. -
JavaCharStream
public JavaCharStream(InputStream dstream, String encoding, int startline, int startcolumn) throws UnsupportedEncodingExceptionConstructor.- Throws:
UnsupportedEncodingException
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JavaCharStream
Constructor. -
JavaCharStream
Constructor.- Throws:
UnsupportedEncodingException
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JavaCharStream
Constructor.
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Method Details
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ExpandBuff
protected void ExpandBuff(boolean wrapAround) -
FillBuff
- Throws:
IOException
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ReadByte
- Throws:
IOException
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BeginToken
- Returns:
- starting character for token.
- Throws:
IOException
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AdjustBuffSize
protected void AdjustBuffSize() -
UpdateLineColumn
protected void UpdateLineColumn(char c) -
readChar
Read a character.- Throws:
IOException
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getEndColumn
public int getEndColumn()Get end column. -
getEndLine
public int getEndLine()Get end line. -
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. -
ReInit
Reinitialise. -
ReInit
Reinitialise. -
ReInit
Reinitialise. -
ReInit
public void ReInit(InputStream dstream, String encoding, int startline, int startcolumn, int buffersize) throws UnsupportedEncodingExceptionReinitialise.- Throws:
UnsupportedEncodingException
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ReInit
Reinitialise. -
ReInit
public void ReInit(InputStream dstream, String encoding, int startline, int startcolumn) throws UnsupportedEncodingExceptionReinitialise.- Throws:
UnsupportedEncodingException
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ReInit
Reinitialise. -
ReInit
Reinitialise.- Throws:
UnsupportedEncodingException
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ReInit
Reinitialise. -
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. -
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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