/************************************************************************
*
* Converter.java
*
* Copyright: 2002-2015 by Henrik Just
*
* This file is part of Writer2LaTeX.
*
* Writer2LaTeX is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Writer2LaTeX is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Writer2LaTeX. If not, see <http://www.gnu.org/licenses/>.
*
* Version 1.6 (2015-06-11)
*
*/
package writer2latex.xhtml;
import java.io.File;
import java.io.FileInputStream;
import java.util.HashSet;
import java.util.ListIterator;
import java.util.LinkedList;
import java.util.Set;
import java.util.Stack;
import java.util.Vector;
import java.util.Hashtable;
import java.util.Iterator;
import java.io.InputStream;
import java.io.IOException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.Text;
import writer2latex.api.Config;
import writer2latex.api.ContentEntry;
import writer2latex.api.ConverterFactory;
import writer2latex.api.OutputFile;
import writer2latex.base.ContentEntryImpl;
import writer2latex.base.BasicConverter;
import writer2latex.office.MIMETypes;
import writer2latex.office.OfficeReader;
import writer2latex.office.StyleWithProperties;
import writer2latex.office.XMLString;
import writer2latex.util.ExportNameCollection;
import writer2latex.util.Misc;
import writer2latex.xhtml.content.DrawParser;
import writer2latex.xhtml.content.MathParser;
import writer2latex.xhtml.content.PageContainer;
import writer2latex.xhtml.content.TableParser;
import writer2latex.xhtml.content.TextParser;
import writer2latex.xhtml.l10n.L10n;
import writer2latex.xhtml.style.Styles;
/**
* <p>This class converts an OpenDocument file to an XHTML(+MathML) or EPUB document.</p>
*
*/
public class Converter extends BasicConverter {
private static final String EPUB_STYLES_FOLDER = "styles/";
private static final String EPUB_STYLESHEET = "styles/styles1.css";
private static final String EPUB_CUSTOM_STYLESHEET = "styles/styles.css";
// Config
private XhtmlConfig config;
public Config getConfig() { return config; }
protected XhtmlConfig getXhtmlConfig() { return config; }
// The locale
private L10n l10n;
// The helpers
private Styles styles;
private TextParser textParser;
private TableParser tableParser;
private DrawParser drawParser;
private MathParser mathParser;
// The template
private XhtmlDocument template = null;
// The included style sheet and associated resources
private CssDocument styleSheet = null;
private Set<ResourceDocument> resources = new HashSet<ResourceDocument>();
// The xhtml output file(s)
public int nType = XhtmlDocument.XHTML10; // the doctype
private boolean bOPS = false; // Do we need to be OPS conforming?
Vector<XhtmlDocument> outFiles;
private int outFileIndex;
private XhtmlDocument htmlDoc; // current outfile
private Document htmlDOM; // current DOM, usually within htmlDoc
public PageContainer pageContainer = null;
//private int nTocFileIndex = -1;
//private int nAlphabeticalIndex = -1;
// Hyperlinks
Hashtable<String, Integer> targets = new Hashtable<String, Integer>();
LinkedList<LinkDescriptor> links = new LinkedList<LinkDescriptor>();
// Strip illegal characters from internal hyperlink targets
private ExportNameCollection targetNames = new ExportNameCollection(true);
// The current context (currently we only track the content width, but this might be expanded with formatting
// attributes - at least background color and font size later)
private Stack<String> contentWidth = new Stack<String>();
// Constructor setting the DOCTYPE
public Converter(int nType) {
super();
config = new XhtmlConfig();
this.nType = nType;
pageContainer = new PageContainer();
}
// override methods to read templates, style sheets and resources
@Override public void readTemplate(InputStream is) throws IOException {
template = new XhtmlDocument("Template",nType);
template.read(is);
}
@Override public void readTemplate(File file) throws IOException {
readTemplate(new FileInputStream(file));
}
@Override public void readStyleSheet(InputStream is) throws IOException {
if (styleSheet==null) {
styleSheet = new CssDocument(EPUB_CUSTOM_STYLESHEET);
}
styleSheet.read(is);
}
@Override public void readStyleSheet(File file) throws IOException {
readStyleSheet(new FileInputStream(file));
}
@Override public void readResource(InputStream is, String sFileName, String sMediaType) throws IOException {
if (sMediaType==null) {
// Guess the media type from the file extension
sMediaType="";
String sfilename = sFileName.toLowerCase();
// PNG, JPEG and GIF are the basic raster image formats that must be supported by EPUB readers
if (sfilename.endsWith(MIMETypes.PNG_EXT)) { sMediaType = MIMETypes.PNG; }
else if (sfilename.endsWith(MIMETypes.JPEG_EXT)) { sMediaType = MIMETypes.JPEG; }
else if (sfilename.endsWith(".jpeg")) { sMediaType = MIMETypes.JPEG; }
else if (sfilename.endsWith(MIMETypes.GIF_EXT)) { sMediaType = MIMETypes.GIF; }
// The OPS 2.0.1 specification recommends (and only mentions) OpenType with this media type
else if (sfilename.endsWith(".otf")) { sMediaType = "application/vnd.ms-opentype"; }
// For convenience we also include a media type for true type fonts (the most common, it seems)
else if (sfilename.endsWith(".ttf")) { sMediaType = "application/x-font-ttf"; }
}
ResourceDocument doc = new ResourceDocument(EPUB_STYLES_FOLDER+sFileName, sMediaType);
doc.read(is);
resources.add(doc);
}
@Override public void readResource(File file, String sFileName, String sMediaType) throws IOException {
readResource(new FileInputStream(file), sFileName, sMediaType);
}
public String getContentWidth() {
return contentWidth.peek();
}
public String pushContentWidth(String sWidth) {
return contentWidth.push(sWidth);
}
public void popContentWidth() {
contentWidth.pop();
}
public boolean isTopLevel() {
return contentWidth.size()==1;
}
public Styles getStylesParser() { return styles; }
public TextParser getTextParser() { return textParser; }
public TableParser getTableParser() { return tableParser; }
public DrawParser getDrawParser() { return drawParser; }
public MathParser getMathParser() { return mathParser; }
public int getType() { return nType; }
public boolean isHTML5() { return nType==XhtmlDocument.HTML5; }
public int getOutFileIndex() { return outFileIndex; }
public void addContentEntry(String sTitle, int nLevel, String sTarget) {
converterResult.addContentEntry(new ContentEntryImpl(sTitle,nLevel,htmlDoc,sTarget));
}
public void setTocFile(String sTarget) {
converterResult.setTocFile(new ContentEntryImpl(l10n.get(L10n.CONTENTS),1,htmlDoc,sTarget));
//nTocFileIndex = nOutFileIndex;
}
protected void setLofFile(String sTarget) {
converterResult.setLofFile(new ContentEntryImpl("Figures",1,htmlDoc,sTarget));
}
protected void setLotFile(String sTarget) {
converterResult.setLotFile(new ContentEntryImpl("Tables",1,htmlDoc,sTarget));
}
public void setIndexFile(String sTarget) {
converterResult.setIndexFile(new ContentEntryImpl(l10n.get(L10n.INDEX),1,htmlDoc,sTarget));
//nAlphabeticalIndex = nOutFileIndex;
}
public void setCoverFile(String sTarget) {
converterResult.setCoverFile(new ContentEntryImpl("Cover",0,htmlDoc,sTarget));
}
public void setCoverImageFile(OutputFile file, String sTarget) {
converterResult.setCoverImageFile(new ContentEntryImpl("Cover image",0,file,sTarget));
}
public Element createElement(String s) { return htmlDOM.createElement(s); }
public Text createTextNode(String s) { return htmlDOM.createTextNode(s); }
public Node importNode(Node node, boolean bDeep) { return htmlDOM.importNode(node,bDeep); }
public L10n getL10n() { return l10n; }
public void setOPS(boolean b) { bOPS = true; }
public boolean isOPS() { return bOPS; }
@Override public void convertInner() throws IOException {
sTargetFileName = Misc.trimDocumentName(sTargetFileName,XhtmlDocument.getExtension(nType));
outFiles = new Vector<XhtmlDocument>();
outFileIndex = -1;
l10n = new L10n();
if (isOPS()) {
imageConverter.setBaseFileName("image");
imageConverter.setUseSubdir("images");
}
else {
imageConverter.setBaseFileName(sTargetFileName+"-img");
if (config.saveImagesInSubdir()) {
imageConverter.setUseSubdir(sTargetFileName+"-img");
}
}
imageConverter.setDefaultFormat(MIMETypes.PNG);
imageConverter.addAcceptedFormat(MIMETypes.JPEG);
imageConverter.addAcceptedFormat(MIMETypes.GIF);
if (nType==XhtmlDocument.HTML5) { // HTML supports SVG as well
imageConverter.setDefaultVectorFormat(MIMETypes.SVG);
}
styles = new Styles(ofr,config,this,nType);
textParser = new TextParser(ofr,config,this);
tableParser = new TableParser(ofr,config,this);
drawParser = new DrawParser(ofr,config,this);
mathParser = new MathParser(ofr,config,this,nType!=XhtmlDocument.XHTML10 && nType!=XhtmlDocument.XHTML11);
// Set locale to document language
StyleWithProperties style = ofr.isSpreadsheet() ? ofr.getDefaultCellStyle() : ofr.getDefaultParStyle();
if (style!=null) {
// The only CTL language recognized currently is farsi
if ("fa".equals(style.getProperty(XMLString.STYLE_LANGUAGE_COMPLEX))) {
l10n.setLocale("fa", "IR");
}
else {
l10n.setLocale(style.getProperty(XMLString.FO_LANGUAGE), style.getProperty(XMLString.FO_COUNTRY));
}
}
// Set the main content width
pushContentWidth(getStylesParser().getPageSc().getTextWidth());
// Traverse the body
Element body = ofr.getContent();
if (ofr.isSpreadsheet()) { tableParser.convertTableContent(body); }
else if (ofr.isPresentation()) { drawParser.convertDrawContent(body); }
else { textParser.convertDocumentContent(body); }
// Set the title page and text page entries
if (converterResult.getContent().isEmpty()) {
// No headings in the document: There is no title page and the text page is the first page
converterResult.setTextFile(new ContentEntryImpl("Text", 1, outFiles.get(0), null));
// We also have to add a toc entry (the ncx file cannot be empty)
converterResult.addContentEntry(new ContentEntryImpl("Text", 1, outFiles.get(0), null));
}
else {
ContentEntry firstHeading = converterResult.getContent().get(0);
// The title page is the first page after the cover, unless the first page starts with a heading
int nFirstPage = converterResult.getCoverFile()!=null ? 1 : 0;
if (outFiles.get(nFirstPage)!=firstHeading.getFile() || firstHeading.getTarget()!=null) {
converterResult.setTitlePageFile(new ContentEntryImpl("Title page", 1, outFiles.get(nFirstPage), null));
}
// The text page is the one containing the first heading
converterResult.setTextFile(new ContentEntryImpl("Text", 1, firstHeading.getFile(), firstHeading.getTarget()));
}
// Resolve links
ListIterator<LinkDescriptor> iter = links.listIterator();
while (iter.hasNext()) {
LinkDescriptor ld = iter.next();
Integer targetIndex = targets.get(ld.sId);
if (targetIndex!=null) {
int nTargetIndex = targetIndex.intValue();
targetNames.addName(ld.sId);
if (nTargetIndex == ld.nIndex) { // same file
ld.element.setAttribute("href","#"+targetNames.getName(ld.sId));
}
else {
ld.element.setAttribute("href",getOutFileName(nTargetIndex,true)
+"#"+targetNames.getName(ld.sId));
}
}
}
// Add included style sheet, if any - and we are creating OPS content
if (bOPS && styleSheet!=null) {
converterResult.addDocument(styleSheet);
for (ResourceDocument doc : resources) {
converterResult.addDocument(doc);
}
}
// Export styles (XHTML)
if (!isOPS() && !config.separateStylesheet()) {
for (int i=0; i<=outFileIndex; i++) {
Element head = outFiles.get(i).getHeadNode();
if (head!=null) {
Node styleNode = styles.getStylesNode(outFiles.get(i).getContentDOM());
if (styleNode!=null) {
head.appendChild(styleNode);
}
}
}
}
// Load MathJax
// TODO: Should we support different configurations of MathJax?
if ((nType==XhtmlDocument.HTML5 || nType==XhtmlDocument.XHTML_MATHML) && config.useMathJax()) {
for (int i=0; i<=outFileIndex; i++) {
if (outFiles.get(i).hasMath()) {
XhtmlDocument doc = outFiles.get(i);
Element head = doc.getHeadNode();
if (head!=null) {
Element script = doc.getContentDOM().createElement("script");
head.appendChild(script);
script.setAttribute("type", "text/javascript");
script.setAttribute("src", "http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML");
}
}
}
}
// Create headers & footers (if nodes are available)
if (ofr.isSpreadsheet()) {
for (int i=0; i<=outFileIndex; i++) {
XhtmlDocument doc = outFiles.get(i);
Document dom = doc.getContentDOM();
Element header = doc.getHeaderNode();
Element footer = doc.getFooterNode();
Element headerPar = dom.createElement("p");
Element footerPar = dom.createElement("p");
footerPar.setAttribute("style","clear:both"); // no floats may pass!
// Add uplink
if (config.getXhtmlUplink().length()>0) {
Element a = dom.createElement("a");
a.setAttribute("href",config.getXhtmlUplink());
a.appendChild(dom.createTextNode(l10n.get(L10n.UP)));
headerPar.appendChild(a);
headerPar.appendChild(dom.createTextNode(" "));
a = dom.createElement("a");
a.setAttribute("href",config.getXhtmlUplink());
a.appendChild(dom.createTextNode(l10n.get(L10n.UP)));
footerPar.appendChild(a);
footerPar.appendChild(dom.createTextNode(" "));
}
// Add links to all sheets:
int nSheets = tableParser.sheetNames.size();
for (int j=0; j<nSheets; j++) {
if (config.xhtmlCalcSplit()) {
addNavigationLink(dom,headerPar,tableParser.sheetNames.get(j),j);
addNavigationLink(dom,footerPar,tableParser.sheetNames.get(j),j);
}
else {
addInternalNavigationLink(dom,headerPar,tableParser.sheetNames.get(j),"tableheading"+j);
addInternalNavigationLink(dom,footerPar,tableParser.sheetNames.get(j),"tableheading"+j);
}
}
if (header!=null) { header.appendChild(headerPar); }
if (footer!=null) { footer.appendChild(footerPar); }
}
}
else if (outFileIndex>0) {
for (int i=0; i<=outFileIndex; i++) {
XhtmlDocument doc = outFiles.get(i);
Document dom = doc.getContentDOM();
//Element content = doc.getContentNode();
// Header links
Element header = doc.getHeaderNode();
if (header!=null) {
if (ofr.isPresentation()) {
// Absolute placement in presentations (quick and dirty solution)
header.setAttribute("style","position:absolute;top:0;left:0");
}
if (config.getXhtmlUplink().length()>0) {
Element a = dom.createElement("a");
a.setAttribute("href",config.getXhtmlUplink());
a.appendChild(dom.createTextNode(l10n.get(L10n.UP)));
header.appendChild(a);
header.appendChild(dom.createTextNode(" "));
}
addNavigationLink(dom,header,l10n.get(L10n.FIRST),0);
addNavigationLink(dom,header,l10n.get(L10n.PREVIOUS),i-1);
addNavigationLink(dom,header,l10n.get(L10n.NEXT),i+1);
addNavigationLink(dom,header,l10n.get(L10n.LAST),outFileIndex);
if (textParser.getTocIndex()>=0) {
addNavigationLink(dom,header,l10n.get(L10n.CONTENTS),textParser.getTocIndex());
}
if (textParser.getAlphabeticalIndex()>=0) {
addNavigationLink(dom,header,l10n.get(L10n.INDEX),textParser.getAlphabeticalIndex());
}
}
// Footer links
Element footer = doc.getFooterNode();
if (footer!=null && !ofr.isPresentation()) {
// No footer in presentations
if (config.getXhtmlUplink().length()>0) {
Element a = dom.createElement("a");
a.setAttribute("href",config.getXhtmlUplink());
a.appendChild(dom.createTextNode(l10n.get(L10n.UP)));
footer.appendChild(a);
footer.appendChild(dom.createTextNode(" "));
}
addNavigationLink(dom,footer,l10n.get(L10n.FIRST),0);
addNavigationLink(dom,footer,l10n.get(L10n.PREVIOUS),i-1);
addNavigationLink(dom,footer,l10n.get(L10n.NEXT),i+1);
addNavigationLink(dom,footer,l10n.get(L10n.LAST),outFileIndex);
if (textParser.getTocIndex()>=0) {
addNavigationLink(dom,footer,l10n.get(L10n.CONTENTS),textParser.getTocIndex());
}
if (textParser.getAlphabeticalIndex()>=0) {
addNavigationLink(dom,footer,l10n.get(L10n.INDEX),textParser.getAlphabeticalIndex());
}
}
}
}
else if (config.getXhtmlUplink().length()>0) {
for (int i=0; i<=outFileIndex; i++) {
XhtmlDocument doc = outFiles.get(i);
Document dom = doc.getContentDOM();
//Element content = doc.getContentNode();
Element header = doc.getHeaderNode();
if (header!=null) {
Element a = dom.createElement("a");
a.setAttribute("href",config.getXhtmlUplink());
a.appendChild(dom.createTextNode(l10n.get(L10n.UP)));
header.appendChild(a);
header.appendChild(dom.createTextNode(" "));
}
Element footer = doc.getFooterNode();
if (footer!=null) {
Element a = dom.createElement("a");
a.setAttribute("href",config.getXhtmlUplink());
a.appendChild(dom.createTextNode(l10n.get(L10n.UP)));
footer.appendChild(a);
footer.appendChild(dom.createTextNode(" "));
}
}
}
// Export styles
if (config.xhtmlFormatting()>XhtmlConfig.IGNORE_STYLES) {
if (isOPS()) { // EPUB
CssDocument cssDoc = new CssDocument(EPUB_STYLESHEET);
cssDoc.read(styles.allStyleSelectors(false));
converterResult.addDocument(cssDoc);
}
else if (config.separateStylesheet()) { // XHTML
CssDocument cssDoc = new CssDocument(sTargetFileName+"-styles.css");
cssDoc.read(styles.allStyleSelectors(false));
converterResult.addDocument(cssDoc);
}
}
}
private void addNavigationLink(Document dom, Node node, String s, int nIndex) {
if (nIndex>=0 && nIndex<=outFileIndex) {
Element a = dom.createElement("a");
a.setAttribute("href",Misc.makeHref(getOutFileName(nIndex,true)));
a.appendChild(dom.createTextNode(s));
//node.appendChild(dom.createTextNode("["));
node.appendChild(a);
node.appendChild(dom.createTextNode(" "));
//node.appendChild(dom.createTextNode("] "));
}
else {
Element span = dom.createElement("span");
span.setAttribute("class","nolink");
node.appendChild(span);
span.appendChild(dom.createTextNode(s));
node.appendChild(dom.createTextNode(" "));
//node.appendChild(dom.createTextNode("["+s+"] "));
}
}
private void addInternalNavigationLink(Document dom, Node node, String s, String sLink) {
Element a = dom.createElement("a");
a.setAttribute("href","#"+sLink);
a.appendChild(dom.createTextNode(s));
//node.appendChild(dom.createTextNode("["));
node.appendChild(a);
node.appendChild(dom.createTextNode(" "));
//node.appendChild(dom.createTextNode("] "));
}
/* get inline text, ignoring any draw objects, footnotes, formatting and hyperlinks */
public String getPlainInlineText(Node node) {
StringBuilder buf = new StringBuilder();
Node child = node.getFirstChild();
while (child!=null) {
short nodeType = child.getNodeType();
switch (nodeType) {
case Node.TEXT_NODE:
buf.append(child.getNodeValue());
break;
case Node.ELEMENT_NODE:
String sName = child.getNodeName();
if (sName.equals(XMLString.TEXT_S)) {
buf.append(" ");
}
else if (sName.equals(XMLString.TEXT_LINE_BREAK) || sName.equals(XMLString.TEXT_TAB_STOP) || sName.equals(XMLString.TEXT_TAB)) { // text:tab in oasis
buf.append(" ");
}
else if (OfficeReader.isNoteElement(child)) {
// ignore
}
else if (OfficeReader.isTextElement(child)) {
buf.append(getPlainInlineText(child));
}
break;
default:
// Do nothing
}
child = child.getNextSibling();
}
return buf.toString();
}
public void handleOfficeAnnotation(Node onode, Node hnode) {
if (config.xhtmlNotes()) {
// Extract the text from the paragraphs, separate paragraphs with newline
StringBuilder buf = new StringBuilder();
Element creator = null;
Element date = null;
Node child = onode.getFirstChild();
while (child!=null) {
if (Misc.isElement(child, XMLString.TEXT_P)) {
if (buf.length()>0) { buf.append('\n'); }
buf.append(getPlainInlineText(child));
}
else if (Misc.isElement(child, XMLString.DC_CREATOR)) {
creator = (Element) child;
}
else if (Misc.isElement(child, XMLString.DC_DATE)) {
date = (Element) child;
}
child = child.getNextSibling();
}
if (creator!=null) {
if (buf.length()>0) { buf.append('\n'); }
buf.append(getPlainInlineText(creator));
}
if (date!=null) {
if (buf.length()>0) { buf.append('\n'); }
buf.append(Misc.formatDate(OfficeReader.getTextContent(date), l10n.getLocale().getLanguage(), l10n.getLocale().getCountry()));
}
Node commentNode = htmlDOM.createComment(buf.toString());
hnode.appendChild(commentNode);
}
}
/////////////////////////////////////////////////////////////////////////
// UTILITY METHODS
// Create output file name (docname.html, docname1.html, docname2.html etc.)
public String getOutFileName(int nIndex, boolean bWithExt) {
return sTargetFileName + (nIndex>0 ? Integer.toString(nIndex) : "")
+ (bWithExt ? htmlDoc.getFileExtension() : "");
}
// Return true if the current outfile has a non-empty body
public boolean outFileHasContent() {
return htmlDoc.getContentNode().hasChildNodes();
}
// Use another document. TODO: This is very ugly; clean it up!!!
public void changeOutFile(int nIndex) {
outFileIndex = nIndex;
htmlDoc = outFiles.get(nIndex);
htmlDOM = htmlDoc.getContentDOM();
}
public Element getPanelNode() {
return htmlDoc.getPanelNode();
}
public String getTitle(){
String title = metaData.getTitle();
if (title==null) {
// use filename as fallback
title = htmlDoc.getFileName();
}
return title;
}
// Prepare next output file
public Element nextOutFile() {
htmlDoc = new XhtmlDocument(getOutFileName(++outFileIndex,false),nType);
htmlDoc.setConfig(config);
if (template!=null) { htmlDoc.readFromTemplate(template); }
outFiles.add(outFileIndex,htmlDoc);
converterResult.addDocument(htmlDoc);
Element rootElement = createHeadAndBody();
addEpubNs(rootElement);
applyWritingDirection();
addTitle();
addHeadData();
return htmlDoc.getContentNode();
}
private void addTitle() {
Element title = htmlDoc.getTitleNode();
if (title!=null) {
String sTitle = metaData.getTitle();
if (sTitle==null) { // use filename as fallback
sTitle = htmlDoc.getFileName();
}
title.appendChild( htmlDOM.createTextNode(sTitle) );
}
}
private Element createHeadAndBody() {
htmlDOM = htmlDoc.getContentDOM();
Element rootElement = htmlDOM.getDocumentElement();
styles.applyDefaultLanguage(rootElement);
return rootElement;
}
private void applyWritingDirection() {
if (!ofr.isPresentation()) {
StyleInfo pageInfo = new StyleInfo();
styles.getPageSc().applyDefaultWritingDirection(pageInfo);
styles.getPageSc().writeStyle(pageInfo,htmlDoc.getContentNode());
}
}
private void addHeadData() {
Element head = htmlDoc.getHeadNode();
if (head!=null) {
// Declare charset (we need this for XHTML 1.0 strict and HTML5 because we have no <?xml ... ?>)
if (nType==XhtmlDocument.XHTML10) {
Element meta = htmlDOM.createElement("meta");
meta.setAttribute("http-equiv","Content-Type");
meta.setAttribute("content","text/html; charset="+htmlDoc.getEncoding().toLowerCase());
head.appendChild(meta);
}
else if (nType==XhtmlDocument.HTML5) {
// The encoding should be UTF-8, but we still respect the user's setting
Element meta = htmlDOM.createElement("meta");
meta.setAttribute("charset",htmlDoc.getEncoding().toUpperCase());
head.appendChild(meta);
}
// Add meta data (for EPUB the meta data belongs to the .opf file)
if (!bOPS) {
// "Traditional" meta data
//createMeta("generator","Writer2LaTeX "+Misc.VERSION);
createMeta(head,"description",metaData.getDescription());
createMeta(head,"keywords",metaData.getKeywords());
// Dublin core meta data (optional)
// Format as recommended on dublincore.org (http://dublincore.org/documents/dc-html/)
// Declare meta data profile
if (config.xhtmlUseDublinCore()) {
head.setAttribute("profile","http://dublincore.org/documents/2008/08/04/dc-html/");
// Add link to declare namespace
Element dclink = htmlDOM.createElement("link");
dclink.setAttribute("rel","schema.DC");
dclink.setAttribute("href","http://purl.org/dc/elements/1.1/");
head.appendChild(dclink);
// Insert the actual meta data
createMeta(head,"DC.title",metaData.getTitle());
// DC.subject actually contains subject+keywords, so we merge them
String sDCSubject = "";
if (metaData.getSubject()!=null && metaData.getSubject().length()>0) {
sDCSubject = metaData.getSubject();
}
if (metaData.getKeywords()!=null && metaData.getKeywords().length()>0) {
if (sDCSubject.length()>0) { sDCSubject+=", "; }
sDCSubject += metaData.getKeywords();
}
createMeta(head,"DC.subject",sDCSubject);
createMeta(head,"DC.description",metaData.getDescription());
createMeta(head,"DC.creator",metaData.getCreator());
createMeta(head,"DC.date",metaData.getDate());
createMeta(head,"DC.language",metaData.getLanguage());
}
}
// Add link to custom stylesheet, if producing normal XHTML
if (!bOPS && config.xhtmlCustomStylesheet().length()>0) {
Element htmlStyle = htmlDOM.createElement("link");
htmlStyle.setAttribute("rel","stylesheet");
htmlStyle.setAttribute("type","text/css");
htmlStyle.setAttribute("media","all");
htmlStyle.setAttribute("href",config.xhtmlCustomStylesheet());
head.appendChild(htmlStyle);
}
// Add link to generated stylesheet if producing normal XHTML and the user wants separate css
if (!bOPS && config.separateStylesheet() && config.xhtmlFormatting()>XhtmlConfig.IGNORE_STYLES) {
Element htmlStyle = htmlDOM.createElement("link");
htmlStyle.setAttribute("rel","stylesheet");
htmlStyle.setAttribute("type","text/css");
htmlStyle.setAttribute("media","all");
htmlStyle.setAttribute("href",sTargetFileName+"-styles.css");
head.appendChild(htmlStyle);
}
// Add link to included style sheet if producing OPS content
if (bOPS && styleSheet!=null) {
Element sty = htmlDOM.createElement("link");
sty.setAttribute("rel", "stylesheet");
sty.setAttribute("type", "text/css");
sty.setAttribute("href", EPUB_CUSTOM_STYLESHEET);
head.appendChild(sty);
}
// Add link to generated stylesheet if producing OPS content
if (isOPS() && config.xhtmlFormatting()>XhtmlConfig.IGNORE_STYLES) {
Element htmlStyle = htmlDOM.createElement("link");
htmlStyle.setAttribute("rel","stylesheet");
htmlStyle.setAttribute("type","text/css");
htmlStyle.setAttribute("href",EPUB_STYLESHEET);
head.appendChild(htmlStyle);
}
}
}
// Add epub namespace for the purpose of semantic inflection in EPUB 3
public void addEpubNs(Element elm) {
if (bOPS && nType==XhtmlDocument.HTML5) {
elm.setAttribute("xmlns:epub", "http://www.idpf.org/2007/ops");
}
}
// Add a type from the structural semantics vocabulary of EPUB 3
public void addEpubType(Element elm, String sType) {
if (bOPS && nType==XhtmlDocument.HTML5 && sType!=null) {
elm.setAttribute("epub:type", sType);
}
}
// create a target
public Element createTarget(String sId) {
Element a = htmlDOM.createElement("a");
targetNames.addName(sId);
a.setAttribute("id",targetNames.getName(sId));
targets.put(sId, new Integer(outFileIndex));
return a;
}
// put a target id on an existing element
public void addTarget(Element node,String sId) {
targetNames.addName(sId);
node.setAttribute("id",targetNames.getName(sId));
targets.put(sId, new Integer(outFileIndex));
}
// create an internal link
public Element createLink(String sId) {
Element a = htmlDOM.createElement("a");
LinkDescriptor ld = new LinkDescriptor();
ld.element = a; ld.sId = sId; ld.nIndex = outFileIndex;
links.add(ld);
return a;
}
// create a link
public Element createLink(Element onode) {
// First create the anchor
String sHref = onode.getAttribute(XMLString.XLINK_HREF);
Element anchor;
if (sHref.startsWith("#")) { // internal link
anchor = createLink(sHref.substring(1));
}
else { // external link
anchor = htmlDOM.createElement("a");
sHref = ofr.fixRelativeLink(sHref);
// Workaround for an OOo problem:
if (sHref.indexOf("?")==-1) { // No question mark
int n3F=sHref.indexOf("%3F");
if (n3F>0) { // encoded question mark
sHref = sHref.substring(0,n3F)+"?"+sHref.substring(n3F+3);
}
}
anchor.setAttribute("href",sHref);
String sName = Misc.getAttribute(onode,XMLString.OFFICE_NAME);
if (sName!=null) {
// The name attribute is rarely use (usually the user will insert a bookmark)
// Hence we (mis)use it to set additional attributes that are not supported by OOo
if (sName.indexOf(";")==-1 && sName.indexOf("=")==-1) {
// Simple case, use the value to set name and title
anchor.setAttribute("name",sName);
anchor.setAttribute("title",sName);
}
else {
// Complex case - using the syntax: name=value;name=value;...
String[] sElements = sName.split(";");
for (String sElement : sElements) {
String[] sNameVal = sElement.split("=");
if (sNameVal.length>=2) {
anchor.setAttribute(sNameVal[0].trim(),sNameVal[1].trim());
}
}
}
}
// TODO: target has been deprecated in xhtml 1.0 strict
String sTarget = Misc.getAttribute(onode,XMLString.OFFICE_TARGET_FRAME_NAME);
if (sTarget!=null) { anchor.setAttribute("target",sTarget); }
}
// Then style it
String sStyleName = onode.getAttribute(XMLString.TEXT_STYLE_NAME);
String sVisitedStyleName = onode.getAttribute(XMLString.TEXT_VISITED_STYLE_NAME);
StyleInfo anchorInfo = new StyleInfo();
styles.getTextSP().applyAnchorStyle(sStyleName,sVisitedStyleName,anchorInfo);
styles.getTextSP().writeStyle(anchorInfo,anchor);
return anchor;
}
private void createMeta(Element head, String sName, String sValue) {
if (sValue==null) { return; }
Element meta = htmlDOM.createElement("meta");
meta.setAttribute("name",sName);
meta.setAttribute("content",sValue);
head.appendChild(meta);
}
}