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https://github.com/tachiyomiorg/tachiyomi.git
synced 2024-12-22 23:21:49 +01:00
Basic epub support
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@ -8,6 +8,8 @@ import eu.kanade.tachiyomi.util.ChapterRecognition
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import eu.kanade.tachiyomi.util.DiskUtil
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import eu.kanade.tachiyomi.util.ZipContentProvider
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import net.greypanther.natsort.CaseInsensitiveSimpleNaturalComparator
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import org.jsoup.Jsoup
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import org.jsoup.nodes.Document
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import rx.Observable
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import timber.log.Timber
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import java.io.File
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@ -57,64 +59,6 @@ class LocalSource(private val context: Context) : CatalogueSource {
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override fun toString() = context.getString(R.string.local_source)
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override fun fetchMangaDetails(manga: SManga) = Observable.just(manga)
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override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
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val comparator = CaseInsensitiveSimpleNaturalComparator.getInstance<String>()
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val chapters = getBaseDirectories(context)
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.mapNotNull { File(it, manga.url).listFiles()?.toList() }
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.flatten()
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.filter { it.isDirectory || isSupportedFormat(it.extension) }
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.map { chapterFile ->
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SChapter.create().apply {
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url = "${manga.url}/${chapterFile.name}"
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val chapName = if (chapterFile.isDirectory) {
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chapterFile.name
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} else {
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chapterFile.nameWithoutExtension
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}
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val chapNameCut = chapName.replace(manga.title, "", true).trim()
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name = if (chapNameCut.isEmpty()) chapName else chapNameCut
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date_upload = chapterFile.lastModified()
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ChapterRecognition.parseChapterNumber(this, manga)
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}
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}
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.sortedWith(Comparator<SChapter> { c1, c2 ->
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val c = c2.chapter_number.compareTo(c1.chapter_number)
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if (c == 0) comparator.compare(c2.name, c1.name) else c
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})
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return Observable.just(chapters)
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}
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override fun fetchPageList(chapter: SChapter): Observable<List<Page>> {
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val baseDirs = getBaseDirectories(context)
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for (dir in baseDirs) {
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val chapFile = File(dir, chapter.url)
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if (!chapFile.exists()) continue
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val comparator = CaseInsensitiveSimpleNaturalComparator.getInstance<String>()
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val pageList = if (chapFile.isDirectory) {
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chapFile.listFiles()
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.filter { !it.isDirectory && DiskUtil.isImage(it.name, { FileInputStream(it) }) }
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.sortedWith(Comparator<File> { f1, f2 -> comparator.compare(f1.name, f2.name) })
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.map { Uri.fromFile(it) }
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} else {
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val zip = ZipFile(chapFile)
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zip.entries().toList()
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.filter { !it.isDirectory && DiskUtil.isImage(it.name, { zip.getInputStream(it) }) }
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.sortedWith(Comparator<ZipEntry> { f1, f2 -> comparator.compare(f1.name, f2.name) })
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.map { Uri.parse("content://${ZipContentProvider.PROVIDER}${chapFile.absolutePath}!/${it.name}") }
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}.mapIndexed { i, uri -> Page(i, uri = uri).apply { status = Page.READY } }
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return Observable.just(pageList)
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}
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return Observable.error(Exception("Chapter not found"))
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}
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override fun fetchPopularManga(page: Int) = fetchSearchManga(page, "", POPULAR_FILTERS)
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override fun fetchSearchManga(page: Int, query: String, filters: FilterList): Observable<MangasPage> {
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@ -181,11 +125,174 @@ class LocalSource(private val context: Context) : CatalogueSource {
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override fun fetchLatestUpdates(page: Int) = fetchSearchManga(page, "", LATEST_FILTERS)
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override fun fetchMangaDetails(manga: SManga) = Observable.just(manga)
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override fun fetchChapterList(manga: SManga): Observable<List<SChapter>> {
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val comparator = CaseInsensitiveSimpleNaturalComparator.getInstance<String>()
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val chapters = getBaseDirectories(context)
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.mapNotNull { File(it, manga.url).listFiles()?.toList() }
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.flatten()
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.filter { it.isDirectory || isSupportedFormat(it.extension) }
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.map { chapterFile ->
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SChapter.create().apply {
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url = "${manga.url}/${chapterFile.name}"
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val chapName = if (chapterFile.isDirectory) {
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chapterFile.name
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} else {
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chapterFile.nameWithoutExtension
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}
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val chapNameCut = chapName.replace(manga.title, "", true).trim()
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name = if (chapNameCut.isEmpty()) chapName else chapNameCut
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date_upload = chapterFile.lastModified()
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ChapterRecognition.parseChapterNumber(this, manga)
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}
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}
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.sortedWith(Comparator<SChapter> { c1, c2 ->
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val c = c2.chapter_number.compareTo(c1.chapter_number)
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if (c == 0) comparator.compare(c2.name, c1.name) else c
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})
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return Observable.just(chapters)
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}
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override fun fetchPageList(chapter: SChapter): Observable<List<Page>> {
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val baseDirs = getBaseDirectories(context)
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for (dir in baseDirs) {
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val chapFile = File(dir, chapter.url)
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if (!chapFile.exists()) continue
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return Observable.just(getLoader(chapFile).load())
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}
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return Observable.error(Exception("Chapter not found"))
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}
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private fun isSupportedFormat(extension: String): Boolean {
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return extension.equals("zip", true) || extension.equals("cbz", true)
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return extension.equals("zip", true) || extension.equals("cbz", true) || extension.equals("epub", true)
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}
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private fun getLoader(file: File): Loader {
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val extension = file.extension
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return if (file.isDirectory) {
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DirectoryLoader(file)
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} else if (extension.equals("zip", true) || extension.equals("cbz", true)) {
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ZipLoader(file)
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} else if (extension.equals("epub", true)) {
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EpubLoader(file)
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} else {
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throw Exception("Invalid chapter format")
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}
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}
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private class OrderBy : Filter.Sort("Order by", arrayOf("Title", "Date"), Filter.Sort.Selection(0, true))
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override fun getFilterList() = FilterList(OrderBy())
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interface Loader {
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fun load(): List<Page>
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}
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class DirectoryLoader(val file: File) : Loader {
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override fun load(): List<Page> {
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val comparator = CaseInsensitiveSimpleNaturalComparator.getInstance<String>()
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return file.listFiles()
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.filter { !it.isDirectory && DiskUtil.isImage(it.name, { FileInputStream(it) }) }
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.sortedWith(Comparator<File> { f1, f2 -> comparator.compare(f1.name, f2.name) })
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.map { Uri.fromFile(it) }
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.mapIndexed { i, uri -> Page(i, uri = uri).apply { status = Page.READY } }
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}
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}
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class ZipLoader(val file: File) : Loader {
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override fun load(): List<Page> {
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val comparator = CaseInsensitiveSimpleNaturalComparator.getInstance<String>()
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ZipFile(file).use { zip ->
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return zip.entries().toList()
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.filter { !it.isDirectory && DiskUtil.isImage(it.name, { zip.getInputStream(it) }) }
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.sortedWith(Comparator<ZipEntry> { f1, f2 -> comparator.compare(f1.name, f2.name) })
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.map { Uri.parse("content://${ZipContentProvider.PROVIDER}${file.absolutePath}!/${it.name}") }
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.mapIndexed { i, uri -> Page(i, uri = uri).apply { status = Page.READY } }
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}
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}
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}
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class EpubLoader(val file: File) : Loader {
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override fun load(): List<Page> {
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ZipFile(file).use { zip ->
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val allEntries = zip.entries().toList()
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val ref = getPackageHref(zip)
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val doc = getPackageDocument(zip, ref)
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val pages = getPagesFromDocument(doc)
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val hrefs = getHrefMap(ref, allEntries.map { it.name })
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return getImagesFromPages(zip, pages, hrefs)
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.map { Uri.parse("content://${ZipContentProvider.PROVIDER}${file.absolutePath}!/$it") }
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.mapIndexed { i, uri -> Page(i, uri = uri).apply { status = Page.READY } }
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}
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}
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/**
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* Returns the path to the package document.
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*/
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private fun getPackageHref(zip: ZipFile): String {
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val meta = zip.getEntry("META-INF/container.xml")
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if (meta != null) {
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val metaDoc = zip.getInputStream(meta).use { Jsoup.parse(it, null, "") }
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val path = metaDoc.getElementsByTag("rootfile").first()?.attr("full-path")
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if (path != null) {
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return path
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}
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}
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return "OEBPS/content.opf"
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}
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/**
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* Returns the package document where all the files are listed.
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*/
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private fun getPackageDocument(zip: ZipFile, ref: String): Document {
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val entry = zip.getEntry(ref)
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return zip.getInputStream(entry).use { Jsoup.parse(it, null, "") }
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}
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/**
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* Returns all the pages from the epub.
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*/
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private fun getPagesFromDocument(document: Document): List<String> {
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val pages = document.select("manifest > item")
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.filter { "application/xhtml+xml" == it.attr("media-type") }
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.associateBy { it.attr("id") }
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val spine = document.select("spine > itemref").map { it.attr("idref") }
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return spine.mapNotNull { pages[it] }.map { it.attr("href") }
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}
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/**
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* Returns all the images contained in every page from the epub.
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*/
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private fun getImagesFromPages(zip: ZipFile, pages: List<String>, hrefs: Map<String, String>): List<String> {
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return pages.map { page ->
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val entry = zip.getEntry(hrefs[page])
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val document = zip.getInputStream(entry).use { Jsoup.parse(it, null, "") }
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document.getElementsByTag("img").mapNotNull { hrefs[it.attr("src")] }
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}.flatten()
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}
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/**
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* Returns a map with a relative url as key and abolute url as path.
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*/
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private fun getHrefMap(packageHref: String, entries: List<String>): Map<String, String> {
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val lastSlashPos = packageHref.lastIndexOf('/')
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if (lastSlashPos < 0) {
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return entries.associateBy { it }
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}
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return entries.associateBy { entry ->
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if (entry.isNotBlank() && entry.length > lastSlashPos) {
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entry.substring(lastSlashPos + 1)
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} else {
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entry
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}
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}
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}
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}
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}
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