litvinovg/w2phtml
1
0
Fork 0
Code Issues 1 Pull requests Projects Releases 21 Packages Wiki Activity Actions

EPUB export + a bugfix

Browse source 
git-svn-id: svn://svn.code.sf.net/p/writer2latex/code/trunk@56 f0f2a975-2e09-46c8-9428-3b39399b9f3c
This commit is contained in:
henrikjust 2010-03-31 07:25:24 +00:00
parent ce61f7bc3b
commit 7644cf2eba
14 changed files with 122 additions and 81 deletions
Download patch file Download diff file Expand all files Collapse all files

6
source/java/writer2latex/epub/ContainerWriter.java
View file

@ -38,11 +38,11 @@ import org.w3c.dom.Element;
import writer2latex.xmerge.NewDOMDocument;
/** This class creates the required META-INF/container.xml file for an EPUB package
* (see http://www.idpf.org/ocf/ocf1.0/download/ocf10.htm)
* (see http://www.idpf.org/ocf/ocf1.0/download/ocf10.htm).
*/
public class ContainerWriter extends NewDOMDocument {
public ContainerWriter(String sRootFile) {
public ContainerWriter() {
super("container", "xml");
// create DOM
@ -67,7 +67,7 @@ public class ContainerWriter extends NewDOMDocument {
container.appendChild(rootfiles);
Element rootfile = contentDOM.createElement("rootfile");
rootfile.setAttribute("full-path", sRootFile);
rootfile.setAttribute("full-path", "OEBPS/book.opf");
rootfile.setAttribute("media-type", "application/oebps-package+xml");
rootfiles.appendChild(rootfile);

1
source/java/writer2latex/epub/EPUBConverter.java
View file

@ -44,6 +44,7 @@ public final class EPUBConverter extends Xhtml11Converter {
}
@Override public ConverterResult convert(InputStream is, String sTargetFileName) throws IOException {
setOPS(true);
ConverterResult xhtmlResult = super.convert(is, sTargetFileName);
ConverterResultImpl epubResult = new ConverterResultImpl();

21
source/java/writer2latex/epub/EPUBWriter.java
View file

@ -20,7 +20,7 @@
*
* All Rights Reserved.
*
* version 1.2 (2010-03-29)
* version 1.2 (2010-03-31)
*
*/
@ -30,6 +30,7 @@ import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.UUID;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
@ -37,8 +38,9 @@ import writer2latex.api.ConverterResult;
import writer2latex.api.OutputFile;
import writer2latex.util.Misc;
/** This class repackages an XHTML document into EPUB format
*
/** This class repackages an XHTML document into EPUB format.
* Some filenames are hard wired in this implementation: The main directory is OEBPS and
* the OPF and NCX files are book.opf and book.ncx respectively
*/
public class EPUBWriter implements OutputFile {
@ -66,9 +68,12 @@ public class EPUBWriter implements OutputFile {
}
public void write(OutputStream os) throws IOException {
// Create a universal unique ID
String sUUID = UUID.randomUUID().toString();
ZipOutputStream zos = new ZipOutputStream(os);
// Write MIME type as first entry
// Write uncompressed MIME type as first entry
ZipEntry mimeEntry = new ZipEntry("mimetype");
mimeEntry.setMethod(ZipEntry.STORED);
mimeEntry.setCrc(0x2CAB616F);
@ -78,27 +83,27 @@ public class EPUBWriter implements OutputFile {
zos.closeEntry();
// Write container entry next
OutputFile containerWriter = new ContainerWriter("OEBPS/book.opf");
OutputFile containerWriter = new ContainerWriter();
ZipEntry containerEntry = new ZipEntry("META-INF/container.xml");
zos.putNextEntry(containerEntry);
writeZipEntry(containerWriter,zos);
zos.closeEntry();
// Then manifest
OutputFile manifest = new OPFWriter(xhtmlResult, "xxx", "book.ncx", "book.opf");
OutputFile manifest = new OPFWriter(xhtmlResult, sUUID);
ZipEntry manifestEntry = new ZipEntry("OEBPS/book.opf");
zos.putNextEntry(manifestEntry);
writeZipEntry(manifest,zos);
zos.closeEntry();
// And content table
OutputFile ncx = new NCXWriter(xhtmlResult, "xxx", "book.ncx");
OutputFile ncx = new NCXWriter(xhtmlResult, sUUID);
ZipEntry ncxEntry = new ZipEntry("OEBPS/book.ncx");
zos.putNextEntry(ncxEntry);
writeZipEntry(ncx,zos);
zos.closeEntry();
// Finally XHTML content in the OEBPS sub directory
// Finally XHTML content
Iterator<OutputFile> iter = xhtmlResult.iterator();
while (iter.hasNext()) {
OutputFile file = iter.next();

80
source/java/writer2latex/epub/NCXWriter.java
View file

@ -20,7 +20,7 @@
*
* All Rights Reserved.
*
* version 1.2 (2010-03-29)
* version 1.2 (2010-03-30)
*
*/
@ -39,17 +39,15 @@ import org.w3c.dom.Element;
import writer2latex.api.ContentEntry;
import writer2latex.api.ConverterResult;
import writer2latex.util.Misc;
import writer2latex.xmerge.NewDOMDocument;
/** This class creates the required NXC file for an EPUB document
* (see http://www.idpf.org/2007/opf/OPF_2.0_final_spec.html#Section2.4)
*
* (see http://www.idpf.org/2007/opf/OPF_2.0_final_spec.html#Section2.4).
*/
public class NCXWriter extends NewDOMDocument {
public NCXWriter(ConverterResult cr, String sUUID, String sFileName) {
super(Misc.removeExtension(sFileName), "ncx");
public NCXWriter(ConverterResult cr, String sUUID) {
super("book", "ncx");
// create DOM
Document contentDOM = null;
@ -64,8 +62,6 @@ public class NCXWriter extends NewDOMDocument {
throw new RuntimeException(t);
}
System.out.println("populating the ncx");
// Populate the DOM tree
Element ncx = contentDOM.getDocumentElement();
ncx.setAttribute("version", "2005-1");
@ -83,7 +79,7 @@ public class NCXWriter extends NewDOMDocument {
Element depth = contentDOM.createElement("meta");
depth.setAttribute("name","dtb:depth");
depth.setAttribute("content", "1");
// Setting the content attribute later
head.appendChild(depth);
Element totalPageCount = contentDOM.createElement("meta");
@ -107,35 +103,57 @@ public class NCXWriter extends NewDOMDocument {
Element navMap = contentDOM.createElement("navMap");
ncx.appendChild(navMap);
Element currentContainer = ncx;
int nCurrentLevel = 0;
int nDepth = 0;
int nPlayOrder = 0;
Iterator<ContentEntry> content = cr.getContent().iterator();
while (content.hasNext()) {
ContentEntry entry = content.next();
//if (entry.getLevel()==1) {
System.out.println("Found content entry "+entry.getTitle());
Element navPoint = contentDOM.createElement("navPoint");
navPoint.setAttribute("playOrder", Integer.toString(++nPlayOrder));
navPoint.setAttribute("id", "text"+nPlayOrder);
navMap.appendChild(navPoint);
Element navLabel = contentDOM.createElement("navLabel");
navPoint.appendChild(navLabel);
Element navLabelText = contentDOM.createElement("text");
navLabel.appendChild(navLabelText);
navLabelText.appendChild(contentDOM.createTextNode(entry.getTitle()));
Element navPointContent = contentDOM.createElement("content");
String sHref = entry.getFile().getFileName();
if (entry.getTarget()!=null) { sHref+="#"+entry.getTarget(); }
navPointContent.setAttribute("src", sHref);
navPoint.appendChild(navPointContent);
//}
int nEntryLevel = Math.max(entry.getLevel(), 1);
if (nEntryLevel<nCurrentLevel) {
// Return to higher level
for (int i=nEntryLevel; i<nCurrentLevel; i++) {
currentContainer = (Element) currentContainer.getParentNode();
}
nCurrentLevel = nEntryLevel;
}
else if (nEntryLevel>nCurrentLevel) {
// To lower level (always one step; a jump from e.g. heading 1 to heading 3 in the document
// is considered an error)
currentContainer = (Element) currentContainer.getLastChild();
nCurrentLevel++;
}
Element navPoint = contentDOM.createElement("navPoint");
navPoint.setAttribute("playOrder", Integer.toString(++nPlayOrder));
navPoint.setAttribute("id", "text"+nPlayOrder);
currentContainer.appendChild(navPoint);
Element navLabel = contentDOM.createElement("navLabel");
navPoint.appendChild(navLabel);
Element navLabelText = contentDOM.createElement("text");
navLabel.appendChild(navLabelText);
navLabelText.appendChild(contentDOM.createTextNode(entry.getTitle()));
Element navPointContent = contentDOM.createElement("content");
String sHref = entry.getFile().getFileName();
if (entry.getTarget()!=null) { sHref+="#"+entry.getTarget(); }
navPointContent.setAttribute("src", sHref);
navPoint.appendChild(navPointContent);
nDepth = Math.max(nDepth, nCurrentLevel);
}
if (nDepth==0) {
// TODO: We're in trouble: The document has no headings
}
depth.setAttribute("content", Integer.toString(nDepth));
setContentDOM(contentDOM);
System.out.println("finished populating the ncx");
}
}

10
source/java/writer2latex/epub/OPFWriter.java
View file

@ -41,16 +41,14 @@ import org.w3c.dom.Element;
import writer2latex.api.ContentEntry;
import writer2latex.api.ConverterResult;
import writer2latex.api.OutputFile;
import writer2latex.util.Misc;
import writer2latex.xmerge.NewDOMDocument;
/** This class writes an OPF-file for an EPUB document (see http://www.idpf.org/2007/opf/OPF_2.0_final_spec.html)
*
/** This class writes an OPF-file for an EPUB document (see http://www.idpf.org/2007/opf/OPF_2.0_final_spec.html).
*/
public class OPFWriter extends NewDOMDocument {
public OPFWriter(ConverterResult cr, String sUUID, String sNcxFileName, String sFileName) {
super(Misc.removeExtension(sFileName), "opf");
public OPFWriter(ConverterResult cr, String sUUID) {
super("book", "opf");
// create DOM
Document contentDOM = null;
@ -123,7 +121,7 @@ public class OPFWriter extends NewDOMDocument {
}
Element item = contentDOM.createElement("item");
item.setAttribute("href", sNcxFileName);
item.setAttribute("href", "book.ncx");
item.setAttribute("media-type", "application/x-dtbncx+xml");
item.setAttribute("id", "ncx");
manifest.appendChild(item);