Package bsh
Class JavaCharStream
- java.lang.Object
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- bsh.JavaCharStream
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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).
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Field Summary
Fields Modifier and Type Field Description protected int[]
bufcolumn
protected char[]
buffer
protected int[]
bufline
int
bufpos
protected int
column
protected int
inBuf
protected Reader
inputStream
protected int
line
protected int
maxNextCharInd
protected char[]
nextCharBuf
protected int
nextCharInd
protected boolean
prevCharIsCR
protected boolean
prevCharIsLF
static boolean
staticFlag
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Constructor Summary
Constructors Constructor Description JavaCharStream(InputStream dstream)
JavaCharStream(InputStream dstream, int startline, int startcolumn)
JavaCharStream(InputStream dstream, int startline, int startcolumn, int buffersize)
JavaCharStream(Reader dstream)
JavaCharStream(Reader dstream, int startline, int startcolumn)
JavaCharStream(Reader dstream, int startline, int startcolumn, int buffersize)
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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.protected void
AdjustBuffSize()
void
backup(int amount)
char
BeginToken()
void
Done()
protected void
ExpandBuff(boolean wrapAround)
protected void
FillBuff()
int
getBeginColumn()
int
getBeginLine()
int
getColumn()
Deprecated.int
getEndColumn()
int
getEndLine()
String
GetImage()
int
getLine()
Deprecated.char[]
GetSuffix(int len)
protected char
ReadByte()
char
readChar()
void
ReInit(InputStream dstream)
void
ReInit(InputStream dstream, int startline, int startcolumn)
void
ReInit(InputStream dstream, int startline, int startcolumn, int buffersize)
void
ReInit(Reader dstream)
void
ReInit(Reader dstream, int startline, int startcolumn)
void
ReInit(Reader dstream, int startline, int startcolumn, int buffersize)
protected void
UpdateLineColumn(char c)
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Field Detail
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staticFlag
public static final boolean staticFlag
- See Also:
- Constant Field Values
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bufpos
public int bufpos
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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 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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Constructor Detail
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JavaCharStream
public JavaCharStream(Reader dstream, int startline, int startcolumn, int buffersize)
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JavaCharStream
public JavaCharStream(Reader dstream, int startline, int startcolumn)
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JavaCharStream
public JavaCharStream(Reader dstream)
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JavaCharStream
public JavaCharStream(InputStream dstream, int startline, int startcolumn, int buffersize)
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JavaCharStream
public JavaCharStream(InputStream dstream, int startline, int startcolumn)
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JavaCharStream
public JavaCharStream(InputStream dstream)
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Method Detail
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ExpandBuff
protected void ExpandBuff(boolean wrapAround)
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FillBuff
protected void FillBuff() throws IOException
- Throws:
IOException
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ReadByte
protected char ReadByte() throws IOException
- Throws:
IOException
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BeginToken
public char BeginToken() throws IOException
- Throws:
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 IOException
- Throws:
IOException
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getColumn
public int getColumn()
Deprecated.- See Also:
getEndColumn()
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getLine
public int getLine()
Deprecated.- See Also:
getEndLine()
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getEndColumn
public int getEndColumn()
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getEndLine
public int getEndLine()
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getBeginColumn
public int getBeginColumn()
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getBeginLine
public int getBeginLine()
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backup
public void backup(int amount)
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ReInit
public void ReInit(Reader dstream, int startline, int startcolumn, int buffersize)
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ReInit
public void ReInit(Reader dstream, int startline, int startcolumn)
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ReInit
public void ReInit(Reader dstream)
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ReInit
public void ReInit(InputStream dstream, int startline, int startcolumn, int buffersize)
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ReInit
public void ReInit(InputStream dstream, int startline, int startcolumn)
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ReInit
public void ReInit(InputStream dstream)
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GetImage
public String GetImage()
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GetSuffix
public char[] GetSuffix(int len)
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Done
public void Done()
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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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