public class ColumnScanEmitter
extends com.icl.saxon.output.Emitter
Saxon extension to scan the column widths in a result tree fragment.
$Id: ColumnScanEmitter.java 5907 2006-04-27 08:26:47Z xmldoc $
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.
| Modifier and Type | Field and Description |
|---|---|
protected static java.lang.String |
foURI
The FO namespace name.
|
protected com.icl.saxon.om.NamePool |
namePool |
protected int |
numColumns
The number of columns seen.
|
protected java.lang.String[] |
width |
| Constructor and Description |
|---|
ColumnScanEmitter(com.icl.saxon.om.NamePool namePool)
Construct a new ColumnScanEmitter.
|
| Modifier and Type | Method and Description |
|---|---|
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(com.icl.saxon.om.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.
|
protected int numColumns
protected java.lang.String[] width
protected com.icl.saxon.om.NamePool namePool
protected static java.lang.String foURI
public ColumnScanEmitter(com.icl.saxon.om.NamePool namePool)
public int columnCount()
public java.lang.String[] columnWidths()
public void characters(char[] chars,
int start,
int len)
throws javax.xml.transform.TransformerException
characters in class com.icl.saxon.output.Emitterjavax.xml.transform.TransformerExceptionpublic void comment(char[] chars,
int start,
int length)
throws javax.xml.transform.TransformerException
comment in class com.icl.saxon.output.Emitterjavax.xml.transform.TransformerExceptionpublic void endDocument()
throws javax.xml.transform.TransformerException
endDocument in class com.icl.saxon.output.Emitterjavax.xml.transform.TransformerExceptionpublic void endElement(int nameCode)
throws javax.xml.transform.TransformerException
endElement in class com.icl.saxon.output.Emitterjavax.xml.transform.TransformerExceptionpublic void processingInstruction(java.lang.String name,
java.lang.String data)
throws javax.xml.transform.TransformerException
processingInstruction in class com.icl.saxon.output.Emitterjavax.xml.transform.TransformerExceptionpublic void setDocumentLocator(org.xml.sax.Locator locator)
setDocumentLocator in class com.icl.saxon.output.Emitterpublic void setEscaping(boolean escaping)
throws javax.xml.transform.TransformerException
setEscaping in class com.icl.saxon.output.Emitterjavax.xml.transform.TransformerExceptionpublic void setNamePool(com.icl.saxon.om.NamePool namePool)
setNamePool in class com.icl.saxon.output.Emitterpublic void setUnparsedEntity(java.lang.String name,
java.lang.String uri)
throws javax.xml.transform.TransformerException
setUnparsedEntity in class com.icl.saxon.output.Emitterjavax.xml.transform.TransformerExceptionpublic void setWriter(java.io.Writer writer)
setWriter in class com.icl.saxon.output.Emitterpublic void startDocument()
throws javax.xml.transform.TransformerException
startDocument in class com.icl.saxon.output.Emitterjavax.xml.transform.TransformerExceptionpublic void startElement(int nameCode,
org.xml.sax.Attributes attributes,
int[] namespaces,
int nscount)
throws javax.xml.transform.TransformerException
startElement in class com.icl.saxon.output.Emitterjavax.xml.transform.TransformerException