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/*
* $Id$
* Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
* For details on use and redistribution please refer to the
* LICENSE file included with these sources.
*/
package org.apache.fop.mif;
import org.apache.fop.apps.StructureHandler;
import org.apache.fop.layout.FontInfo;
import org.apache.fop.fo.pagination.*;
import org.apache.fop.fo.flow.*;
import org.apache.fop.fo.*;
import org.apache.fop.apps.FOPException;
// Java
import java.io.*;
import java.util.*;
import org.xml.sax.SAXException;
// do we really want every method throwing a SAXException
/**
* The MIF Handler.
* This generates MIF output using the structure events from
* the FO Tree sent to this structure handler.
* This builds an MIF file and writes it to the output.
*/
public class MIFHandler extends StructureHandler {
protected MIFFile mifFile;
protected OutputStream outStream;
private FontInfo fontInfo = new FontInfo();
// current state elements
MIFElement textFlow;
MIFElement para;
/**
*/
public MIFHandler(OutputStream os) {
outStream = os;
// use pdf fonts for now, this is only for resolving names
org.apache.fop.render.pdf.FontSetup.setup(fontInfo, null);
}
public FontInfo getFontInfo() {
return fontInfo;
}
public void startDocument() throws SAXException {
mifFile = new MIFFile();
try {
mifFile.output(outStream);
} catch(IOException ioe) {
throw new SAXException(ioe);
}
}
public void endDocument() throws SAXException {
// finish all open elements
mifFile.finish(true);
try {
mifFile.output(outStream);
outStream.flush();
} catch(IOException ioe) {
throw new SAXException(ioe);
}
}
/**
* Start the page sequence.
* This creates the pages in the MIF document that will be used
* by the following flows and static areas.
*/
public void startPageSequence(PageSequence pageSeq, Title seqTitle, LayoutMasterSet lms) {
// get the layout master set
// setup the pages for this sequence
String name = pageSeq.getProperty("master-reference").getString();
SimplePageMaster spm = lms.getSimplePageMaster(name);
if(spm == null) {
PageSequenceMaster psm = lms.getPageSequenceMaster(name);
} else {
// create simple master with regions
MIFElement prop = new MIFElement("PageType");
prop.setValue("BodyPage");
MIFElement page = new MIFElement("Page");
page.addElement(prop);
prop = new MIFElement("PageBackground");
prop.setValue("'Default'");
page.addElement(prop);
// build regions
MIFElement textRect = new MIFElement("TextRect");
prop = new MIFElement("ID");
prop.setValue("1");
textRect.addElement(prop);
prop = new MIFElement("ShapeRect");
prop.setValue("0.0 841.889 453.543 0.0");
textRect.addElement(prop);
page.addElement(textRect);
textRect = new MIFElement("TextRect");
prop = new MIFElement("ID");
prop.setValue("2");
textRect.addElement(prop);
prop = new MIFElement("ShapeRect");
prop.setValue("0.0 841.889 453.543 187.65");
textRect.addElement(prop);
page.addElement(textRect);
mifFile.addPage(page);
}
}
public void endPageSequence(PageSequence pageSeq) throws FOPException {
}
public void startFlow(Flow fl) {
// start text flow in body region
textFlow = new MIFElement("TextFlow");
}
public void endFlow(Flow fl) {
textFlow.finish(true);
mifFile.addElement(textFlow);
textFlow = null;
}
public void startBlock(Block bl) {
para = new MIFElement("Para");
// get font
textFlow.addElement(para);
}
public void endBlock(Block bl) {
para.finish(true);
para = null;
}
public void characters(char data[], int start, int length) {
if(para != null) {
String str = new String(data, start, length);
str = str.trim();
// break into nice length chunks
if(str.length() == 0) {
return;
}
MIFElement line = new MIFElement("ParaLine");
MIFElement prop = new MIFElement("TextRectID");
prop.setValue("2");
line.addElement(prop);
prop = new MIFElement("String");
prop.setValue("\"" + str + "\"");
line.addElement(prop);
para.addElement(line);
}
}
}
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