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java.lang.Objectcom.icl.saxon.output.Emitter
com.nwalsh.saxon.ColumnScanEmitter
Saxon extension to scan the column widthsin a result tree fragment.
$Id: ColumnScanEmitter.java,v 1.2 2002/11/15 13:49:42 nwalsh Exp $
Copyright (C) 2000 Norman Walsh.
This class provides a Saxon 6.* implementation to scan the column widths in a result tree fragment.
The general design is this: the stylesheets construct a result tree fragment for some colgroup environment. That result tree fragment is "replayed" through the ColumnScanEmitter; the ColumnScanEmitter watches the cols go by and extracts the column widths that it sees. These widths are then made available.
Change Log:
Initial release.
Field Summary | |
protected static java.lang.String |
foURI
The FO namespace name. |
protected NamePool |
namePool
|
protected int |
numColumns
The number of columns seen. |
protected java.lang.String[] |
width
|
Fields inherited from class com.icl.saxon.output.Emitter |
locator, outputProperties, outputStream, systemId, writer |
Fields inherited from interface javax.xml.transform.Result |
PI_DISABLE_OUTPUT_ESCAPING, PI_ENABLE_OUTPUT_ESCAPING |
Constructor Summary | |
ColumnScanEmitter(NamePool namePool)
Construct a new ColumnScanEmitter. |
Method Summary | |
void |
characters(char[] chars,
int start,
int len)
Discarded. |
int |
columnCount()
Return the number of columns. |
java.lang.String[] |
columnWidths()
Return the number of columns. |
void |
comment(char[] chars,
int start,
int length)
Discarded. |
void |
endDocument()
Discarded. |
void |
endElement(int nameCode)
Discarded. |
void |
processingInstruction(java.lang.String name,
java.lang.String data)
Discarded. |
void |
setDocumentLocator(org.xml.sax.Locator locator)
Discarded. |
void |
setEscaping(boolean escaping)
Discarded. |
void |
setNamePool(NamePool namePool)
Discarded. |
void |
setUnparsedEntity(java.lang.String name,
java.lang.String uri)
Discarded. |
void |
setWriter(java.io.Writer writer)
Discarded. |
void |
startDocument()
Discarded. |
void |
startElement(int nameCode,
org.xml.sax.Attributes attributes,
int[] namespaces,
int nscount)
Examine for column info. |
Methods inherited from class com.icl.saxon.output.Emitter |
getNamePool, getOutputProperties, getOutputStream, getSystemId, getWriter, makeEmitter, setOutputProperties, setOutputStream, setSystemId, usesWriter |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
protected int numColumns
protected java.lang.String[] width
protected NamePool namePool
protected static java.lang.String foURI
Constructor Detail |
public ColumnScanEmitter(NamePool namePool)
Method Detail |
public int columnCount()
public java.lang.String[] columnWidths()
public void characters(char[] chars, int start, int len) throws javax.xml.transform.TransformerException
javax.xml.transform.TransformerException
public void comment(char[] chars, int start, int length) throws javax.xml.transform.TransformerException
javax.xml.transform.TransformerException
public void endDocument() throws javax.xml.transform.TransformerException
javax.xml.transform.TransformerException
public void endElement(int nameCode) throws javax.xml.transform.TransformerException
javax.xml.transform.TransformerException
public void processingInstruction(java.lang.String name, java.lang.String data) throws javax.xml.transform.TransformerException
javax.xml.transform.TransformerException
public void setDocumentLocator(org.xml.sax.Locator locator)
public void setEscaping(boolean escaping) throws javax.xml.transform.TransformerException
javax.xml.transform.TransformerException
public void setNamePool(NamePool namePool)
public void setUnparsedEntity(java.lang.String name, java.lang.String uri) throws javax.xml.transform.TransformerException
javax.xml.transform.TransformerException
public void setWriter(java.io.Writer writer)
public void startDocument() throws javax.xml.transform.TransformerException
javax.xml.transform.TransformerException
public void startElement(int nameCode, org.xml.sax.Attributes attributes, int[] namespaces, int nscount) throws javax.xml.transform.TransformerException
javax.xml.transform.TransformerException
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