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 SummaryFields 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
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Constructor SummaryConstructors 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.
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Method SummaryModifier 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- 
staticFlagpublic static final boolean staticFlagWhether parser is static.- See Also:
- Constant Field Values
 
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bufpospublic int bufposPosition in buffer.
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buflineprotected int[] bufline
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bufcolumnprotected int[] bufcolumn
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columnprotected int column
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lineprotected int line
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prevCharIsCRprotected boolean prevCharIsCR
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prevCharIsLFprotected boolean prevCharIsLF
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inputStream
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nextCharBufprotected char[] nextCharBuf
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bufferprotected char[] buffer
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maxNextCharIndprotected int maxNextCharInd
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nextCharIndprotected int nextCharInd
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inBufprotected int inBuf
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tabSizeprotected int tabSize
 
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Constructor Details- 
JavaCharStreamConstructor.
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JavaCharStreamConstructor.
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JavaCharStreamConstructor.
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JavaCharStreampublic JavaCharStream(InputStream dstream, String encoding, int startline, int startcolumn, int buffersize) throws UnsupportedEncodingExceptionConstructor.- Throws:
- UnsupportedEncodingException
 
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JavaCharStreamConstructor.
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JavaCharStreampublic JavaCharStream(InputStream dstream, String encoding, int startline, int startcolumn) throws UnsupportedEncodingExceptionConstructor.- Throws:
- UnsupportedEncodingException
 
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JavaCharStreamConstructor.
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JavaCharStreamConstructor.- Throws:
- UnsupportedEncodingException
 
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JavaCharStreamConstructor.
 
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Method Details- 
ExpandBuffprotected void ExpandBuff(boolean wrapAround)
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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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AdjustBuffSizeprotected void AdjustBuffSize()
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UpdateLineColumnprotected void UpdateLineColumn(char c)
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readCharRead a character.- Throws:
- IOException
 
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getEndColumnpublic int getEndColumn()Get end column.
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getEndLinepublic int getEndLine()Get end line.
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getBeginColumnpublic int getBeginColumn()- Returns:
- column of token start
 
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getBeginLinepublic int getBeginLine()- Returns:
- line number of token start
 
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backuppublic void backup(int amount)Retreat.
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ReInitReinitialise.
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ReInitReinitialise.
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ReInitReinitialise.
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ReInitpublic void ReInit(InputStream dstream, String encoding, int startline, int startcolumn, int buffersize) throws UnsupportedEncodingExceptionReinitialise.- Throws:
- UnsupportedEncodingException
 
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ReInitReinitialise.
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ReInitpublic void ReInit(InputStream dstream, String encoding, int startline, int startcolumn) throws UnsupportedEncodingExceptionReinitialise.- Throws:
- UnsupportedEncodingException
 
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ReInitReinitialise.
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ReInitReinitialise.- Throws:
- UnsupportedEncodingException
 
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ReInitReinitialise.
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GetImage- Returns:
- token image as String
 
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GetSuffixpublic char[] GetSuffix(int len)- Returns:
- suffix
 
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Donepublic void Done()Set buffers back to null when finished.
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adjustBeginLineColumnpublic void adjustBeginLineColumn(int newLine, int newCol)Method to adjust line and column numbers for the start of a token.
 
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