[fanfix.git] / src / be / nikiroo / fanfix / output / Epub.java

package be.nikiroo.fanfix.output;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

import be.nikiroo.fanfix.Instance;
import be.nikiroo.fanfix.bundles.Config;
import be.nikiroo.fanfix.bundles.StringId;
import be.nikiroo.fanfix.data.Chapter;
import be.nikiroo.fanfix.data.MetaData;
import be.nikiroo.fanfix.data.Paragraph;
import be.nikiroo.fanfix.data.Paragraph.ParagraphType;
import be.nikiroo.fanfix.data.Story;
import be.nikiroo.utils.IOUtils;
import be.nikiroo.utils.StringUtils;

class Epub extends BasicOutput {
	private File tmpDir;
	private BufferedWriter writer;
	private boolean inDialogue = false;
	private boolean inNormal = false;
	private File images;
	private boolean nextParaIsCover = true;

	@Override
	public File process(Story story, File targetDir, String targetName)
			throws IOException {
		String targetNameOrig = targetName;
		targetName += getDefaultExtension(false);

		tmpDir = File.createTempFile("fanfic-reader-epub_", ".wip");
		tmpDir.delete();

		if (!tmpDir.mkdir()) {
			throw new IOException(
					"Cannot create a temporary directory: no space left on device?");
		}

		// "Originals"
		File data = new File(tmpDir, "DATA");
		data.mkdir();
		BasicOutput.getOutput(OutputType.TEXT, isWriteInfo(), isWriteCover())
				.process(story, data, targetNameOrig);
		InfoCover.writeInfo(data, targetNameOrig, story.getMeta());
		IOUtils.writeSmallFile(data, "version", "3.0");

		super.process(story, targetDir, targetNameOrig);

		// zip/epub
		File epub = new File(targetDir, targetName);
		IOUtils.zip(tmpDir, epub, true);

		OutputStream out = new FileOutputStream(epub);
		try {
			ZipOutputStream zip = new ZipOutputStream(out);
			try {
				// "mimetype" MUST be the first element and not compressed
				zip.setLevel(ZipOutputStream.STORED);
				File mimetype = new File(tmpDir, "mimetype");
				IOUtils.writeSmallFile(tmpDir, "mimetype",
						"application/epub+zip");
				ZipEntry entry = new ZipEntry("mimetype");
				entry.setExtra(new byte[] {});
				zip.putNextEntry(entry);
				FileInputStream in = new FileInputStream(mimetype);
				try {
					IOUtils.write(in, zip);
				} finally {
					in.close();
				}
				IOUtils.deltree(mimetype);
				zip.setLevel(ZipOutputStream.DEFLATED);
				//

				IOUtils.zip(zip, "", tmpDir, true);
			} finally {
				zip.close();
			}
		} finally {
			out.close();
		}

		IOUtils.deltree(tmpDir);
		tmpDir = null;

		return epub;
	}

	@Override
	public String getDefaultExtension(boolean readerTarget) {
		return ".epub";
	}

	@Override
	protected void writeStoryHeader(Story story) throws IOException {
		File ops = new File(tmpDir, "OPS");
		ops.mkdirs();
		File css = new File(ops, "css");
		css.mkdirs();
		images = new File(ops, "images");
		images.mkdirs();
		File metaInf = new File(tmpDir, "META-INF");
		metaInf.mkdirs();

		// META-INF
		String containerContent = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
				+ "<container xmlns=\"urn:oasis:names:tc:opendocument:xmlns:container\" version=\"1.0\">\n"
				+ "\t<rootfiles>\n"
				+ "\t\t<rootfile full-path=\"OPS/epb.opf\" media-type=\"application/oebps-package+xml\"/>\n"
				+ "\t</rootfiles>\n" + "</container>\n";

		IOUtils.writeSmallFile(metaInf, "container.xml", containerContent);

		// OPS/css
		InputStream inStyle = getClass().getResourceAsStream("epub.style.css");
		if (inStyle == null) {
			throw new IOException("Cannot find style.css resource");
		}
		try {
			IOUtils.write(inStyle, new File(css, "style.css"));
		} finally {
			inStyle.close();
		}

		// OPS/images
		if (story.getMeta() != null && story.getMeta().getCover() != null) {
			File file = new File(images, "cover");
			Instance.getCache().saveAsImage(story.getMeta().getCover(), file,
					true);
		}

		// OPS/* except chapters
		IOUtils.writeSmallFile(ops, "epb.ncx", generateNcx(story));
		IOUtils.writeSmallFile(ops, "epb.opf", generateOpf(story));
		IOUtils.writeSmallFile(ops, "title.xhtml", generateTitleXml(story));

		// Resume
		if (story.getMeta() != null && story.getMeta().getResume() != null) {
			writeChapter(story.getMeta().getResume());
		}
	}

	@Override
	protected void writeChapterHeader(Chapter chap) throws IOException {
		String filename = String.format("%s%03d%s", "chapter-",
				chap.getNumber(), ".xhtml");
		writer = new BufferedWriter(new OutputStreamWriter(
				new FileOutputStream(new File(tmpDir + File.separator + "OPS",
						filename)), "UTF-8"));
		inDialogue = false;
		inNormal = false;
		try {
			String title = "Chapter " + chap.getNumber();
			String nameOrNum = Integer.toString(chap.getNumber());
			if (chap.getName() != null && !chap.getName().isEmpty()) {
				title += ": " + chap.getName();
				nameOrNum = chap.getName();
			}

			writer.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
			writer.append("\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">");
			writer.append("\n<html xmlns=\"http://www.w3.org/1999/xhtml\">");
			writer.write("\n<head>");
			writer.write("\n	<title>" + StringUtils.xmlEscape(title)
					+ "</title>");
			writer.write("\n	<link rel='stylesheet' href='css/style.css' type='text/css'/>");
			writer.write("\n</head>");
			writer.write("\n<body>");
			writer.write("\n	<h2>");
			writer.write("\n		<span class='chap'>Chapter <span class='chapnumber'>"
					+ chap.getNumber() + "</span>:</span> ");
			writer.write("\n		<span class='chaptitle'>"
					+ StringUtils.xmlEscape(nameOrNum) + "</span>");
			writer.write("\n	</h2>");
			writer.write("\n	");
			writer.write("\n	<div class='chapter_content'>\n");
		} catch (Exception e) {
			writer.close();
			throw new IOException(e);
		}
	}

	@Override
	protected void writeChapterFooter(Chapter chap) throws IOException {
		try {
			if (inDialogue) {
				writer.write("		</div>\n");
				inDialogue = false;
			}
			if (inNormal) {
				writer.write("		</div>\n");
				inNormal = false;
			}
			writer.write("	</div>\n</body>\n</html>\n");
		} finally {
			writer.close();
			writer = null;
		}
	}

	@Override
	protected void writeParagraphHeader(Paragraph para) throws IOException {
		if (para.getType() == ParagraphType.QUOTE && !inDialogue) {
			writer.write("		<div class='dialogues'>\n");
			inDialogue = true;
		} else if (para.getType() != ParagraphType.QUOTE && inDialogue) {
			writer.write("		</div>\n");
			inDialogue = false;
		}

		if (para.getType() == ParagraphType.NORMAL && !inNormal) {
			writer.write("		<div class='normals'>\n");
			inNormal = true;
		} else if (para.getType() != ParagraphType.NORMAL && inNormal) {
			writer.write("		</div>\n");
			inNormal = false;
		}

		switch (para.getType()) {
		case BLANK:
			writer.write("		<div class='blank'></div>");
			break;
		case BREAK:
			writer.write("		<hr class='break'/>");
			break;
		case NORMAL:
			writer.write("		<span class='normal'>");
			break;
		case QUOTE:
			writer.write("			<div class='dialogue'>&mdash; ");
			break;
		case IMAGE:
			File file = new File(images, getCurrentImageBestName(false));
			Instance.getCache().saveAsImage(para.getContentImage(), file,
					nextParaIsCover);
			writer.write("			<img alt='page image' class='page-image' src='images/"
					+ getCurrentImageBestName(false) + "'/>");
			break;
		}

		nextParaIsCover = false;
	}

	@Override
	protected void writeParagraphFooter(Paragraph para) throws IOException {
		switch (para.getType()) {
		case NORMAL:
			writer.write("</span>\n");
			break;
		case QUOTE:
			writer.write("</div>\n");
			break;
		default:
			writer.write("\n");
			break;
		}
	}

	@Override
	protected void writeTextLine(ParagraphType type, String line)
			throws IOException {
		switch (type) {
		case QUOTE:
		case NORMAL:
			writer.write(decorateText(StringUtils.xmlEscape(line)));
			break;
		default:
			break;
		}
	}

	@Override
	protected String enbold(String word) {
		return "<strong>" + word + "</strong>";
	}

	@Override
	protected String italize(String word) {
		return "<emph>" + word + "</emph>";
	}

	private String generateNcx(Story story) {
		StringBuilder builder = new StringBuilder();

		String title = "";
		String uuid = "";
		String author = "";
		if (story.getMeta() != null) {
			MetaData meta = story.getMeta();
			uuid = meta.getUuid();
			author = meta.getAuthor();
			title = meta.getTitle();
		}

		builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
		builder.append("\n<!DOCTYPE ncx");
		builder.append("\nPUBLIC \"-//NISO//DTD ncx 2005-1//EN\" \"http://www.daisy.org/z3986/2005/ncx-2005-1.dtd\">");
		builder.append("\n<ncx xmlns=\"http://www.daisy.org/z3986/2005/ncx/\" version=\"2005-1\">");
		builder.append("\n	<head>");
		builder.append("\n		<!--The following four metadata items are required for all");
		builder.append("\n		    NCX documents, including those conforming to the relaxed");
		builder.append("\n		    constraints of OPS 2.0-->");
		builder.append("\n		<meta name=\"dtb:uid\" content=\""
				+ StringUtils.xmlEscapeQuote(uuid) + "\"/>");
		builder.append("\n		<meta name=\"dtb:depth\" content=\"1\"/>");
		builder.append("\n		<meta name=\"dtb:totalPageCount\" content=\"0\"/>");
		builder.append("\n		<meta name=\"dtb:maxPageNumber\" content=\"0\"/>");
		builder.append("\n		<meta name=\"epub-creator\" content=\""
				+ StringUtils.xmlEscapeQuote(EPUB_CREATOR) + "\"/>");
		builder.append("\n	</head>");
		builder.append("\n	<docTitle>");
		builder.append("\n		<text>" + StringUtils.xmlEscape(title) + "</text>");
		builder.append("\n	</docTitle>");
		builder.append("\n	<docAuthor>");

		builder.append("\n		<text>" + StringUtils.xmlEscape(author) + "</text>");
		builder.append("\n	</docAuthor>");
		builder.append("\n	<navMap>");
		builder.append("\n		<navPoint id=\"navpoint-1\" playOrder=\"1\">");
		builder.append("\n			<navLabel>");
		builder.append("\n				<text>Title Page</text>");
		builder.append("\n			</navLabel>");
		builder.append("\n			<content src=\"title.xhtml\"/>");
		builder.append("\n		</navPoint>");

		int navPoint = 2; // 1 is above

		if (story.getMeta() != null & story.getMeta().getResume() != null) {
			Chapter chap = story.getMeta().getResume();
			generateNcx(chap, builder, navPoint++);
		}

		for (Chapter chap : story) {
			generateNcx(chap, builder, navPoint++);
		}

		builder.append("\n	</navMap>");
		builder.append("\n</ncx>\n");

		return builder.toString();
	}

	private void generateNcx(Chapter chap, StringBuilder builder, int navPoint) {
		String name;
		if (chap.getName() != null && !chap.getName().isEmpty()) {
			name = Instance.getTrans().getString(StringId.CHAPTER_NAMED,
					chap.getNumber(), chap.getName());
		} else {
			name = Instance.getTrans().getString(StringId.CHAPTER_UNNAMED,
					chap.getNumber());
		}

		String nnn = String.format("%03d", (navPoint - 2));

		builder.append("\n		<navPoint id=\"navpoint-" + navPoint
				+ "\" playOrder=\"" + navPoint + "\">");
		builder.append("\n			<navLabel>");
		builder.append("\n				<text>" + name + "</text>");
		builder.append("\n			</navLabel>");
		builder.append("\n			<content src=\"chapter-" + nnn + ".xhtml\"/>");
		builder.append("\n		</navPoint>\n");
	}

	private String generateOpf(Story story) {
		StringBuilder builder = new StringBuilder();

		String title = "";
		String uuid = "";
		String author = "";
		String date = "";
		String publisher = "";
		String subject = "";
		String source = "";
		String lang = "";
		if (story.getMeta() != null) {
			MetaData meta = story.getMeta();
			title = meta.getTitle();
			uuid = meta.getUuid();
			author = meta.getAuthor();
			date = meta.getDate();
			publisher = meta.getPublisher();
			subject = meta.getSubject();
			source = meta.getSource();
			lang = meta.getLang();
		}

		builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
		builder.append("\n<package xmlns=\"http://www.idpf.org/2007/opf\" unique-identifier=\"BookId\" version=\"2.0\">");
		builder.append("\n   <metadata xmlns:opf=\"http://www.idpf.org/2007/opf\"");
		builder.append("\n             xmlns:dc=\"http://purl.org/dc/elements/1.1/\">");
		builder.append("\n      <dc:title>" + StringUtils.xmlEscape(title)
				+ "</dc:title>");
		builder.append("\n      <dc:creator opf:role=\"aut\" opf:file-as=\""
				+ StringUtils.xmlEscapeQuote(author) + "\">"
				+ StringUtils.xmlEscape(author) + "</dc:creator>");
		builder.append("\n      <dc:date opf:event=\"original-publication\">"
				+ StringUtils.xmlEscape(date) + "</dc:date>");
		builder.append("\n      <dc:publisher>"
				+ StringUtils.xmlEscape(publisher) + "</dc:publisher>");
		builder.append("\n      <dc:date opf:event=\"epub-publication\"></dc:date>");
		builder.append("\n      <dc:subject>" + StringUtils.xmlEscape(subject)
				+ "</dc:subject>");
		builder.append("\n      <dc:source>" + StringUtils.xmlEscape(source)
				+ "</dc:source>");
		builder.append("\n      <dc:rights>Not for commercial use.</dc:rights>");
		builder.append("\n      <dc:identifier id=\"BookId\" opf:scheme=\"URI\">"
				+ StringUtils.xmlEscape(uuid) + "</dc:identifier>");
		builder.append("\n      <dc:language>" + StringUtils.xmlEscape(lang)
				+ "</dc:language>");
		builder.append("\n   </metadata>");
		builder.append("\n   <manifest>");
		builder.append("\n      <!-- Content Documents -->");
		builder.append("\n      <item id=\"titlepage\" href=\"title.xhtml\" media-type=\"application/xhtml+xml\"/>");
		for (int i = 0; i <= story.getChapters().size(); i++) {
			String name = String.format("%s%03d", "chapter-", i);
			builder.append("\n      <item id=\""
					+ StringUtils.xmlEscapeQuote(name) + "\" href=\""
					+ StringUtils.xmlEscapeQuote(name)
					+ ".xhtml\" media-type=\"application/xhtml+xml\"/>");
		}

		builder.append("\n      <!-- CSS Style Sheets -->");
		builder.append("\n      <item id=\"style-css\" href=\"css/style.css\" media-type=\"text/css\"/>");

		builder.append("\n      <!-- Images -->");

		if (story.getMeta() != null && story.getMeta().getCover() != null) {
			String format = Instance.getConfig()
					.getString(Config.IMAGE_FORMAT_COVER).toLowerCase();
			builder.append("\n      <item id=\"cover\" href=\"images/cover."
					+ format + "\" media-type=\"image/png\"/>");
		}

		builder.append("\n      <!-- NCX -->");
		builder.append("\n      <item id=\"ncx\" href=\"epb.ncx\" media-type=\"application/x-dtbncx+xml\"/>");
		builder.append("\n   </manifest>");
		builder.append("\n   <spine toc=\"ncx\">");
		builder.append("\n      <itemref idref=\"titlepage\" linear=\"yes\"/>");
		for (int i = 0; i <= story.getChapters().size(); i++) {
			String name = String.format("%s%03d", "chapter-", i);
			builder.append("\n      <itemref idref=\""
					+ StringUtils.xmlEscapeQuote(name) + "\" linear=\"yes\"/>");
		}
		builder.append("\n   </spine>");
		builder.append("\n</package>\n");

		return builder.toString();
	}

	private String generateTitleXml(Story story) {
		StringBuilder builder = new StringBuilder();

		String title = "";
		String tags = "";
		String author = "";
		if (story.getMeta() != null) {
			MetaData meta = story.getMeta();
			title = meta.getTitle();
			if (meta.getTags() != null) {
				for (String tag : meta.getTags()) {
					if (!tags.isEmpty()) {
						tags += ", ";
					}
					tags += tag;
				}

				if (!tags.isEmpty()) {
					tags = "(" + tags + ")";
				}
			}
			author = meta.getAuthor();
		}

		String format = Instance.getConfig()
				.getString(Config.IMAGE_FORMAT_COVER).toLowerCase();

		builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
		builder.append("\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">");
		builder.append("\n<html xmlns=\"http://www.w3.org/1999/xhtml\">");
		builder.append("\n<head>");
		builder.append("\n	<title>" + StringUtils.xmlEscape(title) + "</title>");
		builder.append("\n	<link rel=\"stylesheet\" href=\"css/style.css\" type=\"text/css\"/>");
		builder.append("\n</head>");
		builder.append("\n<body>");
		builder.append("\n	<div class=\"titlepage\">");
		builder.append("\n		<h1>" + StringUtils.xmlEscape(title) + "</h1>");
		builder.append("\n			<div class=\"type\">"
				+ StringUtils.xmlEscape(tags) + "</div>");
		builder.append("\n		<div class=\"cover\">");
		builder.append("\n			<img alt=\"cover image\" src=\"images/cover."
				+ format + "\"></img>");
		builder.append("\n		</div>");
		builder.append("\n		<div class=\"author\">"
				+ StringUtils.xmlEscape(author) + "</div>");
		builder.append("\n	</div>");
		builder.append("\n</body>");
		builder.append("\n</html>\n");

		return builder.toString();
	}
}
Commit	Line	Data
08fe2e33 NR	1	package be.nikiroo.fanfix.output;
08fe2e33 NR	2
3d247bc3	3	import java.io.BufferedWriter;
08fe2e33	4	import java.io.File;
ecfb936e	5	import java.io.FileInputStream;
3d247bc3	6	import java.io.FileOutputStream;
08fe2e33 NR	7	import java.io.IOException;
08fe2e33 NR	8	import java.io.InputStream;
ecfb936e	9	import java.io.OutputStream;
3d247bc3	10	import java.io.OutputStreamWriter;
ecfb936e NR	11	import java.util.zip.ZipEntry;
ecfb936e NR	12	import java.util.zip.ZipOutputStream;
08fe2e33	13
08fe2e33 NR	14	import be.nikiroo.fanfix.Instance;
	15	import be.nikiroo.fanfix.bundles.Config;
	16	import be.nikiroo.fanfix.bundles.StringId;
	17	import be.nikiroo.fanfix.data.Chapter;
	18	import be.nikiroo.fanfix.data.MetaData;
	19	import be.nikiroo.fanfix.data.Paragraph;
08fe2e33	20	import be.nikiroo.fanfix.data.Paragraph.ParagraphType;
3d247bc3	21	import be.nikiroo.fanfix.data.Story;
08fe2e33 NR	22	import be.nikiroo.utils.IOUtils;
	23	import be.nikiroo.utils.StringUtils;
	24
	25	class Epub extends BasicOutput {
	26	private File tmpDir;
3d247bc3	27	private BufferedWriter writer;
08fe2e33 NR	28	private boolean inDialogue = false;
	29	private boolean inNormal = false;
	30	private File images;
16a81ef7	31	private boolean nextParaIsCover = true;
08fe2e33 NR	32
	33	@Override
	34	public File process(Story story, File targetDir, String targetName)
	35	throws IOException {
	36	String targetNameOrig = targetName;
10d558d2	37	targetName += getDefaultExtension(false);
08fe2e33 NR	38
	39	tmpDir = File.createTempFile("fanfic-reader-epub_", ".wip");
	40	tmpDir.delete();
	41
	42	if (!tmpDir.mkdir()) {
	43	throw new IOException(
	44	"Cannot create a temporary directory: no space left on device?");
	45	}
	46
	47	// "Originals"
	48	File data = new File(tmpDir, "DATA");
	49	data.mkdir();
925298fd NR	50	BasicOutput.getOutput(OutputType.TEXT, isWriteInfo(), isWriteCover())
925298fd NR	51	.process(story, data, targetNameOrig);
fa4dcafe	52	InfoCover.writeInfo(data, targetNameOrig, story.getMeta());
08fe2e33 NR	53	IOUtils.writeSmallFile(data, "version", "3.0");
	54
	55	super.process(story, targetDir, targetNameOrig);
	56
	57	// zip/epub
	58	File epub = new File(targetDir, targetName);
	59	IOUtils.zip(tmpDir, epub, true);
ecfb936e NR	60
	61	OutputStream out = new FileOutputStream(epub);
	62	try {
	63	ZipOutputStream zip = new ZipOutputStream(out);
	64	try {
	65	// "mimetype" MUST be the first element and not compressed
	66	zip.setLevel(ZipOutputStream.STORED);
	67	File mimetype = new File(tmpDir, "mimetype");
	68	IOUtils.writeSmallFile(tmpDir, "mimetype",
	69	"application/epub+zip");
	70	ZipEntry entry = new ZipEntry("mimetype");
	71	entry.setExtra(new byte[] {});
	72	zip.putNextEntry(entry);
	73	FileInputStream in = new FileInputStream(mimetype);
	74	try {
	75	IOUtils.write(in, zip);
	76	} finally {
	77	in.close();
	78	}
	79	IOUtils.deltree(mimetype);
	80	zip.setLevel(ZipOutputStream.DEFLATED);
	81	//
	82
	83	IOUtils.zip(zip, "", tmpDir, true);
	84	} finally {
	85	zip.close();
	86	}
	87	} finally {
	88	out.close();
	89	}
	90
08fe2e33 NR	91	IOUtils.deltree(tmpDir);
	92	tmpDir = null;
	93
	94	return epub;
	95	}
	96
	97	@Override
10d558d2	98	public String getDefaultExtension(boolean readerTarget) {
08fe2e33 NR	99	return ".epub";
	100	}
	101
	102	@Override
	103	protected void writeStoryHeader(Story story) throws IOException {
	104	File ops = new File(tmpDir, "OPS");
	105	ops.mkdirs();
	106	File css = new File(ops, "css");
	107	css.mkdirs();
	108	images = new File(ops, "images");
	109	images.mkdirs();
	110	File metaInf = new File(tmpDir, "META-INF");
	111	metaInf.mkdirs();
	112
08fe2e33	113	// META-INF
ecfb936e	114	String containerContent = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
08fe2e33 NR	115	+ "<container xmlns=\"urn:oasis:names:tc:opendocument:xmlns:container\" version=\"1.0\">\n"
	116	+ "\t<rootfiles>\n"
	117	+ "\t\t<rootfile full-path=\"OPS/epb.opf\" media-type=\"application/oebps-package+xml\"/>\n"
	118	+ "\t</rootfiles>\n" + "</container>\n";
	119
	120	IOUtils.writeSmallFile(metaInf, "container.xml", containerContent);
	121
	122	// OPS/css
	123	InputStream inStyle = getClass().getResourceAsStream("epub.style.css");
	124	if (inStyle == null) {
	125	throw new IOException("Cannot find style.css resource");
	126	}
	127	try {
	128	IOUtils.write(inStyle, new File(css, "style.css"));
	129	} finally {
	130	inStyle.close();
	131	}
	132
	133	// OPS/images
	134	if (story.getMeta() != null && story.getMeta().getCover() != null) {
ecfb936e	135	File file = new File(images, "cover");
16a81ef7 NR	136	Instance.getCache().saveAsImage(story.getMeta().getCover(), file,
16a81ef7 NR	137	true);
08fe2e33 NR	138	}
	139
	140	// OPS/* except chapters
	141	IOUtils.writeSmallFile(ops, "epb.ncx", generateNcx(story));
	142	IOUtils.writeSmallFile(ops, "epb.opf", generateOpf(story));
ecfb936e	143	IOUtils.writeSmallFile(ops, "title.xhtml", generateTitleXml(story));
08fe2e33 NR	144
	145	// Resume
	146	if (story.getMeta() != null && story.getMeta().getResume() != null) {
	147	writeChapter(story.getMeta().getResume());
	148	}
	149	}
	150
	151	@Override
	152	protected void writeChapterHeader(Chapter chap) throws IOException {
	153	String filename = String.format("%s%03d%s", "chapter-",
ecfb936e	154	chap.getNumber(), ".xhtml");
3d247bc3 NR	155	writer = new BufferedWriter(new OutputStreamWriter(
	156	new FileOutputStream(new File(tmpDir + File.separator + "OPS",
	157	filename)), "UTF-8"));
08fe2e33 NR	158	inDialogue = false;
	159	inNormal = false;
	160	try {
	161	String title = "Chapter " + chap.getNumber();
	162	String nameOrNum = Integer.toString(chap.getNumber());
	163	if (chap.getName() != null && !chap.getName().isEmpty()) {
	164	title += ": " + chap.getName();
	165	nameOrNum = chap.getName();
	166	}
	167
ecfb936e NR	168	writer.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
	169	writer.append("\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">");
	170	writer.append("\n<html xmlns=\"http://www.w3.org/1999/xhtml\">");
08fe2e33 NR	171	writer.write("\n<head>");
	172	writer.write("\n <title>" + StringUtils.xmlEscape(title)
	173	+ "</title>");
	174	writer.write("\n <link rel='stylesheet' href='css/style.css' type='text/css'/>");
	175	writer.write("\n</head>");
	176	writer.write("\n<body>");
	177	writer.write("\n <h2>");
	178	writer.write("\n <span class='chap'>Chapter <span class='chapnumber'>"
	179	+ chap.getNumber() + "</span>:</span> ");
	180	writer.write("\n <span class='chaptitle'>"
	181	+ StringUtils.xmlEscape(nameOrNum) + "</span>");
	182	writer.write("\n </h2>");
	183	writer.write("\n ");
	184	writer.write("\n <div class='chapter_content'>\n");
	185	} catch (Exception e) {
	186	writer.close();
	187	throw new IOException(e);
	188	}
	189	}
	190
	191	@Override
	192	protected void writeChapterFooter(Chapter chap) throws IOException {
	193	try {
	194	if (inDialogue) {
	195	writer.write(" </div>\n");
	196	inDialogue = false;
	197	}
	198	if (inNormal) {
	199	writer.write(" </div>\n");
	200	inNormal = false;
	201	}
	202	writer.write(" </div>\n</body>\n</html>\n");
	203	} finally {
	204	writer.close();
	205	writer = null;
	206	}
	207	}
	208
	209	@Override
	210	protected void writeParagraphHeader(Paragraph para) throws IOException {
	211	if (para.getType() == ParagraphType.QUOTE && !inDialogue) {
	212	writer.write(" <div class='dialogues'>\n");
	213	inDialogue = true;
	214	} else if (para.getType() != ParagraphType.QUOTE && inDialogue) {
	215	writer.write(" </div>\n");
	216	inDialogue = false;
	217	}
	218
	219	if (para.getType() == ParagraphType.NORMAL && !inNormal) {
	220	writer.write(" <div class='normals'>\n");
	221	inNormal = true;
	222	} else if (para.getType() != ParagraphType.NORMAL && inNormal) {
	223	writer.write(" </div>\n");
	224	inNormal = false;
	225	}
	226
	227	switch (para.getType()) {
	228	case BLANK:
	229	writer.write(" <div class='blank'></div>");
	230	break;
	231	case BREAK:
f977d05b	232	writer.write(" <hr class='break'/>");
08fe2e33 NR	233	break;
	234	case NORMAL:
	235	writer.write(" <span class='normal'>");
	236	break;
	237	case QUOTE:
	238	writer.write(" <div class='dialogue'>— ");
	239	break;
	240	case IMAGE:
	241	File file = new File(images, getCurrentImageBestName(false));
16a81ef7 NR	242	Instance.getCache().saveAsImage(para.getContentImage(), file,
16a81ef7 NR	243	nextParaIsCover);
ecfb936e	244	writer.write(" <img alt='page image' class='page-image' src='images/"
08fe2e33 NR	245	+ getCurrentImageBestName(false) + "'/>");
	246	break;
	247	}
16a81ef7 NR	248
16a81ef7 NR	249	nextParaIsCover = false;
08fe2e33 NR	250	}
	251
	252	@Override
	253	protected void writeParagraphFooter(Paragraph para) throws IOException {
	254	switch (para.getType()) {
	255	case NORMAL:
	256	writer.write("</span>\n");
	257	break;
	258	case QUOTE:
	259	writer.write("</div>\n");
	260	break;
	261	default:
	262	writer.write("\n");
	263	break;
	264	}
	265	}
	266
	267	@Override
	268	protected void writeTextLine(ParagraphType type, String line)
	269	throws IOException {
	270	switch (type) {
	271	case QUOTE:
	272	case NORMAL:
	273	writer.write(decorateText(StringUtils.xmlEscape(line)));
	274	break;
	275	default:
	276	break;
	277	}
	278	}
	279
	280	@Override
	281	protected String enbold(String word) {
	282	return "<strong>" + word + "</strong>";
	283	}
	284
	285	@Override
	286	protected String italize(String word) {
	287	return "<emph>" + word + "</emph>";
	288	}
	289
	290	private String generateNcx(Story story) {
	291	StringBuilder builder = new StringBuilder();
	292
	293	String title = "";
	294	String uuid = "";
	295	String author = "";
	296	if (story.getMeta() != null) {
	297	MetaData meta = story.getMeta();
	298	uuid = meta.getUuid();
	299	author = meta.getAuthor();
	300	title = meta.getTitle();
	301	}
	302
ecfb936e	303	builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
08fe2e33 NR	304	builder.append("\n<!DOCTYPE ncx");
	305	builder.append("\nPUBLIC \"-//NISO//DTD ncx 2005-1//EN\" \"http://www.daisy.org/z3986/2005/ncx-2005-1.dtd\">");
	306	builder.append("\n<ncx xmlns=\"http://www.daisy.org/z3986/2005/ncx/\" version=\"2005-1\">");
	307	builder.append("\n <head>");
	308	builder.append("\n <!--The following four metadata items are required for all");
	309	builder.append("\n NCX documents, including those conforming to the relaxed");
	310	builder.append("\n constraints of OPS 2.0-->");
	311	builder.append("\n <meta name=\"dtb:uid\" content=\""
	312	+ StringUtils.xmlEscapeQuote(uuid) + "\"/>");
	313	builder.append("\n <meta name=\"dtb:depth\" content=\"1\"/>");
	314	builder.append("\n <meta name=\"dtb:totalPageCount\" content=\"0\"/>");
	315	builder.append("\n <meta name=\"dtb:maxPageNumber\" content=\"0\"/>");
	316	builder.append("\n <meta name=\"epub-creator\" content=\""
	317	+ StringUtils.xmlEscapeQuote(EPUB_CREATOR) + "\"/>");
	318	builder.append("\n </head>");
	319	builder.append("\n <docTitle>");
	320	builder.append("\n <text>" + StringUtils.xmlEscape(title) + "</text>");
	321	builder.append("\n </docTitle>");
	322	builder.append("\n <docAuthor>");
	323
	324	builder.append("\n <text>" + StringUtils.xmlEscape(author) + "</text>");
	325	builder.append("\n </docAuthor>");
	326	builder.append("\n <navMap>");
	327	builder.append("\n <navPoint id=\"navpoint-1\" playOrder=\"1\">");
	328	builder.append("\n <navLabel>");
	329	builder.append("\n <text>Title Page</text>");
	330	builder.append("\n </navLabel>");
ecfb936e	331	builder.append("\n <content src=\"title.xhtml\"/>");
08fe2e33 NR	332	builder.append("\n </navPoint>");
	333
	334	int navPoint = 2; // 1 is above
	335
	336	if (story.getMeta() != null & story.getMeta().getResume() != null) {
	337	Chapter chap = story.getMeta().getResume();
	338	generateNcx(chap, builder, navPoint++);
	339	}
	340
	341	for (Chapter chap : story) {
	342	generateNcx(chap, builder, navPoint++);
	343	}
	344
	345	builder.append("\n </navMap>");
	346	builder.append("\n</ncx>\n");
	347
	348	return builder.toString();
	349	}
	350
	351	private void generateNcx(Chapter chap, StringBuilder builder, int navPoint) {
	352	String name;
	353	if (chap.getName() != null && !chap.getName().isEmpty()) {
	354	name = Instance.getTrans().getString(StringId.CHAPTER_NAMED,
	355	chap.getNumber(), chap.getName());
	356	} else {
	357	name = Instance.getTrans().getString(StringId.CHAPTER_UNNAMED,
	358	chap.getNumber());
	359	}
	360
	361	String nnn = String.format("%03d", (navPoint - 2));
	362
	363	builder.append("\n <navPoint id=\"navpoint-" + navPoint
	364	+ "\" playOrder=\"" + navPoint + "\">");
	365	builder.append("\n <navLabel>");
	366	builder.append("\n <text>" + name + "</text>");
	367	builder.append("\n </navLabel>");
ecfb936e	368	builder.append("\n <content src=\"chapter-" + nnn + ".xhtml\"/>");
08fe2e33 NR	369	builder.append("\n </navPoint>\n");
	370	}
	371
	372	private String generateOpf(Story story) {
	373	StringBuilder builder = new StringBuilder();
	374
	375	String title = "";
	376	String uuid = "";
	377	String author = "";
	378	String date = "";
	379	String publisher = "";
	380	String subject = "";
	381	String source = "";
	382	String lang = "";
	383	if (story.getMeta() != null) {
	384	MetaData meta = story.getMeta();
	385	title = meta.getTitle();
	386	uuid = meta.getUuid();
	387	author = meta.getAuthor();
	388	date = meta.getDate();
	389	publisher = meta.getPublisher();
	390	subject = meta.getSubject();
	391	source = meta.getSource();
	392	lang = meta.getLang();
	393	}
	394
ecfb936e NR	395	builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
ecfb936e NR	396	builder.append("\n<package xmlns=\"http://www.idpf.org/2007/opf\" unique-identifier=\"BookId\" version=\"2.0\">");
08fe2e33 NR	397	builder.append("\n <metadata xmlns:opf=\"http://www.idpf.org/2007/opf\"");
	398	builder.append("\n xmlns:dc=\"http://purl.org/dc/elements/1.1/\">");
	399	builder.append("\n <dc:title>" + StringUtils.xmlEscape(title)
	400	+ "</dc:title>");
	401	builder.append("\n <dc:creator opf:role=\"aut\" opf:file-as=\""
	402	+ StringUtils.xmlEscapeQuote(author) + "\">"
	403	+ StringUtils.xmlEscape(author) + "</dc:creator>");
	404	builder.append("\n <dc:date opf:event=\"original-publication\">"
	405	+ StringUtils.xmlEscape(date) + "</dc:date>");
	406	builder.append("\n <dc:publisher>"
	407	+ StringUtils.xmlEscape(publisher) + "</dc:publisher>");
	408	builder.append("\n <dc:date opf:event=\"epub-publication\"></dc:date>");
	409	builder.append("\n <dc:subject>" + StringUtils.xmlEscape(subject)
	410	+ "</dc:subject>");
	411	builder.append("\n <dc:source>" + StringUtils.xmlEscape(source)
	412	+ "</dc:source>");
	413	builder.append("\n <dc:rights>Not for commercial use.</dc:rights>");
ecfb936e	414	builder.append("\n <dc:identifier id=\"BookId\" opf:scheme=\"URI\">"
08fe2e33 NR	415	+ StringUtils.xmlEscape(uuid) + "</dc:identifier>");
	416	builder.append("\n <dc:language>" + StringUtils.xmlEscape(lang)
	417	+ "</dc:language>");
	418	builder.append("\n </metadata>");
	419	builder.append("\n <manifest>");
	420	builder.append("\n <!-- Content Documents -->");
ecfb936e	421	builder.append("\n <item id=\"titlepage\" href=\"title.xhtml\" media-type=\"application/xhtml+xml\"/>");
08fe2e33 NR	422	for (int i = 0; i <= story.getChapters().size(); i++) {
	423	String name = String.format("%s%03d", "chapter-", i);
	424	builder.append("\n <item id=\""
	425	+ StringUtils.xmlEscapeQuote(name) + "\" href=\""
	426	+ StringUtils.xmlEscapeQuote(name)
ecfb936e	427	+ ".xhtml\" media-type=\"application/xhtml+xml\"/>");
08fe2e33 NR	428	}
	429
	430	builder.append("\n <!-- CSS Style Sheets -->");
	431	builder.append("\n <item id=\"style-css\" href=\"css/style.css\" media-type=\"text/css\"/>");
	432
	433	builder.append("\n <!-- Images -->");
	434
	435	if (story.getMeta() != null && story.getMeta().getCover() != null) {
	436	String format = Instance.getConfig()
	437	.getString(Config.IMAGE_FORMAT_COVER).toLowerCase();
	438	builder.append("\n <item id=\"cover\" href=\"images/cover."
	439	+ format + "\" media-type=\"image/png\"/>");
	440	}
	441
	442	builder.append("\n <!-- NCX -->");
	443	builder.append("\n <item id=\"ncx\" href=\"epb.ncx\" media-type=\"application/x-dtbncx+xml\"/>");
	444	builder.append("\n </manifest>");
	445	builder.append("\n <spine toc=\"ncx\">");
	446	builder.append("\n <itemref idref=\"titlepage\" linear=\"yes\"/>");
	447	for (int i = 0; i <= story.getChapters().size(); i++) {
	448	String name = String.format("%s%03d", "chapter-", i);
	449	builder.append("\n <itemref idref=\""
	450	+ StringUtils.xmlEscapeQuote(name) + "\" linear=\"yes\"/>");
	451	}
	452	builder.append("\n </spine>");
	453	builder.append("\n</package>\n");
	454
	455	return builder.toString();
	456	}
	457
	458	private String generateTitleXml(Story story) {
	459	StringBuilder builder = new StringBuilder();
	460
	461	String title = "";
	462	String tags = "";
	463	String author = "";
	464	if (story.getMeta() != null) {
	465	MetaData meta = story.getMeta();
	466	title = meta.getTitle();
	467	if (meta.getTags() != null) {
	468	for (String tag : meta.getTags()) {
	469	if (!tags.isEmpty()) {
	470	tags += ", ";
	471	}
	472	tags += tag;
	473	}
	474
	475	if (!tags.isEmpty()) {
	476	tags = "(" + tags + ")";
	477	}
	478	}
	479	author = meta.getAuthor();
	480	}
	481
	482	String format = Instance.getConfig()
	483	.getString(Config.IMAGE_FORMAT_COVER).toLowerCase();
	484
ecfb936e NR	485	builder.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
	486	builder.append("\n<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">");
	487	builder.append("\n<html xmlns=\"http://www.w3.org/1999/xhtml\">");
08fe2e33 NR	488	builder.append("\n<head>");
	489	builder.append("\n <title>" + StringUtils.xmlEscape(title) + "</title>");
	490	builder.append("\n <link rel=\"stylesheet\" href=\"css/style.css\" type=\"text/css\"/>");
	491	builder.append("\n</head>");
	492	builder.append("\n<body>");
	493	builder.append("\n <div class=\"titlepage\">");
	494	builder.append("\n <h1>" + StringUtils.xmlEscape(title) + "</h1>");
	495	builder.append("\n <div class=\"type\">"
	496	+ StringUtils.xmlEscape(tags) + "</div>");
	497	builder.append("\n <div class=\"cover\">");
ecfb936e NR	498	builder.append("\n <img alt=\"cover image\" src=\"images/cover."
ecfb936e NR	499	+ format + "\"></img>");
08fe2e33 NR	500	builder.append("\n </div>");
	501	builder.append("\n <div class=\"author\">"
	502	+ StringUtils.xmlEscape(author) + "</div>");
	503	builder.append("\n </div>");
	504	builder.append("\n</body>");
	505	builder.append("\n</html>\n");
	506
	507	return builder.toString();
	508	}
	509	}