support for poetry and epigraphs

composeApp/src/androidMain/kotlin/net/sergeych/toread/BookPlatform.android.kt

@@ -377,9 +377,15 @@ actual suspend fun viewLibraryBookFile(fileId: String): Boolean = false
 actual suspend fun loadBookInfoExtras(fileId: String): BookInfoExtras = withContext(Dispatchers.IO) {
     openLibraryDatabase().useLibrary { db ->
         val file = db.files.get(fileId) ?: return@useLibrary BookInfoExtras()
-        val clusterId = file.bodyClusterId ?: return@useLibrary BookInfoExtras()
+        val sourceFileName = file.originalFilename ?: file.storageUri?.substringAfterLast('/')
+        val clusterId = file.bodyClusterId ?: return@useLibrary BookInfoExtras(
+            sourceFileName = sourceFileName,
+            sourceFilePath = file.storageUri,
+        )
         val readingPosition = db.readingStates.getForBodyCluster(clusterId)?.anchor?.formatHintsJson?.toReadingPosition()
         BookInfoExtras(
+            sourceFileName = sourceFileName,
+            sourceFilePath = file.storageUri,
             bookmarks = db.bookmarks.listForBodyCluster(clusterId).map {
                 BookmarkInfo(
                     title = it.title,

composeApp/src/commonMain/kotlin/net/sergeych/toread/BookInfoScreen.kt

@@ -92,6 +92,16 @@ internal fun BookInfoScreen(
                     }
                 }
             }
+            item {
+                InfoSection(strings.sourceFile) {
+                    if (extras == null) {
+                        Text(strings.loading, style = MaterialTheme.typography.bodyMedium)
+                    } else {
+                        DetailLine(strings.fileName, extras?.sourceFileName?.ifBlank { null } ?: strings.notSpecified)
+                        DetailLine(strings.filePath, extras?.sourceFilePath?.ifBlank { null } ?: strings.notSpecified)
+                    }
+                }
+            }
             item {
                 InfoSection(strings.lastReadingPosition) {
                     val position = extras?.lastReadingPosition

composeApp/src/commonMain/kotlin/net/sergeych/toread/LibraryPlatform.kt

@@ -64,6 +64,8 @@ data class ReadingPosition(
 )
 
 data class BookInfoExtras(
+    val sourceFileName: String? = null,
+    val sourceFilePath: String? = null,
     val bookmarks: List<BookmarkInfo> = emptyList(),
     val notes: List<NoteInfo> = emptyList(),
     val lastReadingPosition: ReadingPosition? = null,

composeApp/src/commonMain/kotlin/net/sergeych/toread/Localization.kt

@@ -117,6 +117,9 @@ internal open class AppStrings {
     open val words = "Words"
     open val sections = "Sections"
     open val images = "Images"
+    open val sourceFile = "Source file"
+    open val fileName = "File name"
+    open val filePath = "Path"
     open val lastReadingPosition = "Last Reading Position"
     open val noSavedPosition = "No saved position"
     open val listItem = "List item"
@@ -243,7 +246,7 @@ internal object RussianStrings : AppStrings() {
     override val couldNotOpenBook = "Не удалось открыть книгу."
     override val couldNotUpdateBook = "Не удалось обновить книгу."
     override val bookFileNotAvailable = "Файл книги недоступен."
-    override val scanFailed = "Сканирование не удалось."
+    override val scanFailed = "Импорт не удался."
     override val searchFailed = "Поиск не удался."
     override val libraryRescanFailed = "Повторное сканирование библиотеки не удалось."
     override val rescanningLibrary = "Пересканируем библиотеку..."
@@ -287,7 +290,7 @@ internal object RussianStrings : AppStrings() {
     override val filterToRead = "К чтению"
     override val filterRead = "Прочитанные"
 
-    override val scan = "Сканирование"
+    override val scan = "Импорт"
     override val rootFolder = "Корневая папка"
     override val choose = "Выбрать"
     override val logPrefix = "Лог"
@@ -309,6 +312,9 @@ internal object RussianStrings : AppStrings() {
     override val words = "Слова"
     override val sections = "Разделы"
     override val images = "Иллюстрации"
+    override val sourceFile = "Исходный файл"
+    override val fileName = "Имя файла"
+    override val filePath = "Путь"
     override val lastReadingPosition = "Последняя позиция чтения"
     override val noSavedPosition = "Позиция не сохранена"
     override val listItem = "Элемент списка"

composeApp/src/commonMain/kotlin/net/sergeych/toread/ReaderContent.kt

@@ -79,7 +79,12 @@ import androidx.compose.ui.unit.isSpecified
 import androidx.compose.ui.unit.sp
 import net.sergeych.toread.fb2.Fb2Block
 import net.sergeych.toread.fb2.Fb2Book
+import net.sergeych.toread.fb2.Fb2Cite
+import net.sergeych.toread.fb2.Fb2Epigraph
+import net.sergeych.toread.fb2.Fb2EpigraphBlock
 import net.sergeych.toread.fb2.Fb2ImageRef
+import net.sergeych.toread.fb2.Fb2Poem
+import net.sergeych.toread.fb2.Fb2PoemBlock
 import net.sergeych.toread.fb2.Fb2Section
 import net.sergeych.toread.fb2.Fb2Text
 import net.sergeych.toread.fb2.Fb2TextSpan
@@ -210,6 +215,27 @@ internal fun ContinuousBookReader(
                     modifier = Modifier.fillMaxWidth().padding(top = 18.dp, bottom = 8.dp),
                     onTextLayout = { textLineMetricsByItem[itemIndex] = it.toTextLineMetrics() },
                 )
+                is ReaderElement.Epigraph -> ReaderEpigraph(
+                    epigraph = element.epigraph,
+                    language = book.language,
+                    hyphenation = hyphenation,
+                    highlightedRange = highlightedRange,
+                    depth = element.depth,
+                )
+                is ReaderElement.Cite -> ReaderCite(
+                    cite = element.cite,
+                    language = book.language,
+                    hyphenation = hyphenation,
+                    highlightedRange = highlightedRange,
+                    depth = element.depth,
+                )
+                is ReaderElement.Poem -> ReaderPoem(
+                    poem = element.poem,
+                    language = book.language,
+                    hyphenation = hyphenation,
+                    highlightedRange = highlightedRange,
+                    depth = element.depth,
+                )
             }
         }
     }
@@ -467,6 +493,13 @@ private fun ReaderPane(book: Fb2Book, section: Fb2Section?, modifier: Modifier =
                     style = readerParagraphTextStyle(book.language),
                     textAlign = TextAlign.Unspecified,
                 )
+                is Fb2Block.Poem -> ReaderPoem(
+                    poem = block.poem,
+                    language = book.language,
+                    hyphenation = hyphenation,
+                    highlightedRange = null,
+                    depth = 0,
+                )
                 is Fb2Block.Subtitle -> ReaderText(
                     text = block.content,
                     language = book.language,
@@ -475,6 +508,20 @@ private fun ReaderPane(book: Fb2Book, section: Fb2Section?, modifier: Modifier =
                     textAlign = TextAlign.Center,
                     modifier = Modifier.fillMaxWidth().padding(top = 18.dp, bottom = 8.dp),
                 )
+                is Fb2Block.Epigraph -> ReaderEpigraph(
+                    epigraph = block.epigraph,
+                    language = book.language,
+                    hyphenation = hyphenation,
+                    highlightedRange = null,
+                    depth = 0,
+                )
+                is Fb2Block.Cite -> ReaderCite(
+                    cite = block.cite,
+                    language = book.language,
+                    hyphenation = hyphenation,
+                    highlightedRange = null,
+                    depth = 0,
+                )
             }
         }
         item { Spacer(Modifier.height(22.dp)) }
@@ -543,6 +590,212 @@ private fun ReaderText(
     )
 }
 
+@Composable
+private fun ReaderPoem(
+    poem: Fb2Poem,
+    language: String?,
+    hyphenation: HyphenationRegistry,
+    highlightedRange: ReaderSentenceRange?,
+    depth: Int,
+    modifier: Modifier = Modifier,
+) {
+    val segments = remember(poem) { poem.readerSegments() }
+    Column(
+        modifier = modifier
+            .fillMaxWidth()
+            .padding(start = (depth * 8).dp, top = 8.dp, bottom = 8.dp),
+    ) {
+        poem.epigraphs.forEachIndexed { index, epigraph ->
+            ReaderEpigraph(
+                epigraph = epigraph,
+                language = language,
+                hyphenation = hyphenation,
+                highlightedRange = highlightedRange,
+                depth = 0,
+                modifier = Modifier.padding(top = if (index == 0) 0.dp else 8.dp, bottom = 8.dp),
+            )
+        }
+        segments.forEach { segment ->
+            if (segment.gapBeforeDp > 0) {
+                Spacer(Modifier.height(segment.gapBeforeDp.dp))
+            }
+            ReaderText(
+                text = segment.text,
+                language = language,
+                hyphenation = hyphenation,
+                style = poemTextStyle(segment.kind, language),
+                highlightedRange = highlightedRange?.forSegment(segment),
+                textAlign = when (segment.kind) {
+                    ReaderPoemSegmentKind.Title,
+                    ReaderPoemSegmentKind.Subtitle -> TextAlign.Center
+                    ReaderPoemSegmentKind.TextAuthor,
+                    ReaderPoemSegmentKind.Date -> TextAlign.End
+                    ReaderPoemSegmentKind.Verse -> TextAlign.Start
+                },
+                modifier = when (segment.kind) {
+                    ReaderPoemSegmentKind.Verse -> Modifier.padding(start = 22.dp)
+                    else -> Modifier
+                },
+            )
+        }
+    }
+}
+
+@Composable
+private fun ReaderEpigraph(
+    epigraph: Fb2Epigraph,
+    language: String?,
+    hyphenation: HyphenationRegistry,
+    highlightedRange: ReaderSentenceRange?,
+    depth: Int,
+    modifier: Modifier = Modifier,
+) {
+    Column(
+        modifier = modifier
+            .fillMaxWidth()
+            .padding(start = (depth * 8 + 26).dp, end = 18.dp, top = 8.dp, bottom = 8.dp),
+        verticalArrangement = Arrangement.spacedBy(6.dp),
+    ) {
+        epigraph.blocks.forEach { block ->
+            ReaderEpigraphBlock(
+                block = block,
+                language = language,
+                hyphenation = hyphenation,
+                highlightedRange = null,
+                depth = 0,
+            )
+        }
+        epigraph.textAuthors.forEach { author ->
+            ReaderText(
+                text = author,
+                language = language,
+                hyphenation = hyphenation,
+                style = epigraphAuthorTextStyle(language),
+                highlightedRange = null,
+                textAlign = TextAlign.End,
+                modifier = Modifier.fillMaxWidth().padding(top = 2.dp),
+            )
+        }
+    }
+}
+
+@Composable
+private fun ReaderCite(
+    cite: Fb2Cite,
+    language: String?,
+    hyphenation: HyphenationRegistry,
+    highlightedRange: ReaderSentenceRange?,
+    depth: Int,
+    modifier: Modifier = Modifier,
+) {
+    Column(
+        modifier = modifier
+            .fillMaxWidth()
+            .padding(start = (depth * 8 + 22).dp, end = 14.dp, top = 8.dp, bottom = 8.dp),
+        verticalArrangement = Arrangement.spacedBy(6.dp),
+    ) {
+        cite.blocks.forEach { block ->
+            ReaderEpigraphBlock(
+                block = block,
+                language = language,
+                hyphenation = hyphenation,
+                highlightedRange = null,
+                depth = 0,
+            )
+        }
+        cite.textAuthors.forEach { author ->
+            ReaderText(
+                text = author,
+                language = language,
+                hyphenation = hyphenation,
+                style = epigraphAuthorTextStyle(language),
+                highlightedRange = null,
+                textAlign = TextAlign.End,
+                modifier = Modifier.fillMaxWidth().padding(top = 2.dp),
+            )
+        }
+    }
+}
+
+@Composable
+private fun ReaderEpigraphBlock(
+    block: Fb2EpigraphBlock,
+    language: String?,
+    hyphenation: HyphenationRegistry,
+    highlightedRange: ReaderSentenceRange?,
+    depth: Int,
+) {
+    when (block) {
+        Fb2EpigraphBlock.EmptyLine -> Spacer(Modifier.height(12.dp))
+        is Fb2EpigraphBlock.Paragraph -> ReaderText(
+            text = block.content,
+            language = language,
+            hyphenation = hyphenation,
+            style = epigraphTextStyle(language),
+            highlightedRange = highlightedRange,
+            textAlign = TextAlign.Start,
+        )
+        is Fb2EpigraphBlock.Subtitle -> ReaderText(
+            text = block.content,
+            language = language,
+            hyphenation = hyphenation,
+            style = epigraphTextStyle(language).copy(fontWeight = FontWeight.SemiBold),
+            highlightedRange = highlightedRange,
+            textAlign = TextAlign.Center,
+        )
+        is Fb2EpigraphBlock.Poem -> ReaderPoem(
+            poem = block.poem,
+            language = language,
+            hyphenation = hyphenation,
+            highlightedRange = highlightedRange,
+            depth = depth,
+        )
+        is Fb2EpigraphBlock.Cite -> ReaderCite(
+            cite = block.cite,
+            language = language,
+            hyphenation = hyphenation,
+            highlightedRange = highlightedRange,
+            depth = depth,
+        )
+    }
+}
+
+@Composable
+private fun poemTextStyle(kind: ReaderPoemSegmentKind, language: String?): TextStyle =
+    when (kind) {
+        ReaderPoemSegmentKind.Title -> MaterialTheme.typography.titleMedium.copy(
+            fontWeight = FontWeight.SemiBold,
+            lineHeight = 26.sp,
+            localeList = language?.takeIf(String::isNotBlank)?.let { LocaleList(Locale(it)) },
+        )
+        ReaderPoemSegmentKind.Subtitle -> MaterialTheme.typography.bodyLarge.copy(
+            fontStyle = FontStyle.Italic,
+            lineHeight = 24.sp,
+            localeList = language?.takeIf(String::isNotBlank)?.let { LocaleList(Locale(it)) },
+        )
+        ReaderPoemSegmentKind.Verse -> readerParagraphTextStyle(language).copy(
+            lineHeight = 24.sp,
+        )
+        ReaderPoemSegmentKind.TextAuthor,
+        ReaderPoemSegmentKind.Date -> MaterialTheme.typography.bodyMedium.copy(
+            fontStyle = FontStyle.Italic,
+            lineHeight = 22.sp,
+            localeList = language?.takeIf(String::isNotBlank)?.let { LocaleList(Locale(it)) },
+        )
+    }
+
+@Composable
+private fun epigraphTextStyle(language: String?): TextStyle =
+    MaterialTheme.typography.bodyMedium.copy(
+        fontStyle = FontStyle.Italic,
+        lineHeight = 22.sp,
+        localeList = language?.takeIf(String::isNotBlank)?.let { LocaleList(Locale(it)) },
+    )
+
+@Composable
+private fun epigraphAuthorTextStyle(language: String?): TextStyle =
+    epigraphTextStyle(language).copy(fontWeight = FontWeight.SemiBold)
+
 @Composable
 private fun readerParagraphTextStyle(language: String?): TextStyle =
     MaterialTheme.typography.bodyLarge.copy(
@@ -766,6 +1019,7 @@ internal fun buildReaderContentPlan(book: Fb2Book): ReaderContentPlan {
     fun addTextSentences(
         itemIndex: Int,
         text: Fb2Text,
+        offset: Int = 0,
         pauseBeforeMillis: Long = 0,
         pauseAfterMillis: Long = 0,
     ) {
@@ -784,8 +1038,8 @@ internal fun buildReaderContentPlan(book: Fb2Book): ReaderContentPlan {
                 sentences += ReadAloudSentence(
                     index = sentences.size,
                     itemIndex = itemIndex,
-                    start = range.start,
+                    start = offset + range.start,
-                    endExclusive = range.endExclusive,
+                    endExclusive = offset + range.endExclusive,
                     text = sentenceText,
                     spokenText = spokenText,
                     pauseBeforeMillis = effectivePauseBefore,
@@ -795,6 +1049,43 @@ internal fun buildReaderContentPlan(book: Fb2Book): ReaderContentPlan {
         }
     }
 
+    lateinit var addPoemSentences: (Int, Fb2Poem) -> Unit
+    lateinit var addCiteSentences: (Int, Fb2Cite) -> Unit
+    lateinit var addEpigraphSentences: (Int, Fb2Epigraph) -> Unit
+
+    addPoemSentences = { itemIndex, poem ->
+        poem.epigraphs.forEach { epigraph -> addEpigraphSentences(itemIndex, epigraph) }
+        poem.readerSegments().forEach { segment ->
+            addTextSentences(itemIndex, segment.text, offset = segment.startOffset)
+        }
+    }
+
+    addCiteSentences = { itemIndex, cite ->
+        cite.blocks.forEach { block ->
+            when (block) {
+                Fb2EpigraphBlock.EmptyLine -> Unit
+                is Fb2EpigraphBlock.Paragraph -> addTextSentences(itemIndex, block.content)
+                is Fb2EpigraphBlock.Subtitle -> addTextSentences(itemIndex, block.content)
+                is Fb2EpigraphBlock.Poem -> addPoemSentences(itemIndex, block.poem)
+                is Fb2EpigraphBlock.Cite -> addCiteSentences(itemIndex, block.cite)
+            }
+        }
+        cite.textAuthors.forEach { addTextSentences(itemIndex, it) }
+    }
+
+    addEpigraphSentences = { itemIndex, epigraph ->
+        epigraph.blocks.forEach { block ->
+            when (block) {
+                Fb2EpigraphBlock.EmptyLine -> Unit
+                is Fb2EpigraphBlock.Paragraph -> addTextSentences(itemIndex, block.content)
+                is Fb2EpigraphBlock.Subtitle -> addTextSentences(itemIndex, block.content)
+                is Fb2EpigraphBlock.Poem -> addPoemSentences(itemIndex, block.poem)
+                is Fb2EpigraphBlock.Cite -> addCiteSentences(itemIndex, block.cite)
+            }
+        }
+        epigraph.textAuthors.forEach { addTextSentences(itemIndex, it) }
+    }
+
     fun addSection(section: Fb2Section, depth: Int) {
         if (section.title.isNullOrBlank()) {
             elements += ReaderElement.SectionSeparator
@@ -821,6 +1112,10 @@ internal fun buildReaderContentPlan(book: Fb2Book): ReaderContentPlan {
                     addTextSentences(itemIndex, block.content)
                     elements += ReaderElement.Paragraph(block.content, depth)
                 }
+                is Fb2Block.Poem -> {
+                    addPoemSentences(itemIndex, block.poem)
+                    elements += ReaderElement.Poem(block.poem, depth)
+                }
                 is Fb2Block.Subtitle -> {
                     addTextSentences(
                         itemIndex = itemIndex,
@@ -830,6 +1125,14 @@ internal fun buildReaderContentPlan(book: Fb2Book): ReaderContentPlan {
                     )
                     elements += ReaderElement.Subtitle(block.content)
                 }
+                is Fb2Block.Epigraph -> {
+                    addEpigraphSentences(itemIndex, block.epigraph)
+                    elements += ReaderElement.Epigraph(block.epigraph, depth)
+                }
+                is Fb2Block.Cite -> {
+                    addCiteSentences(itemIndex, block.cite)
+                    elements += ReaderElement.Cite(block.cite, depth)
+                }
             }
         }
         section.sections.forEach { addSection(it, depth + 1) }
@@ -837,6 +1140,11 @@ internal fun buildReaderContentPlan(book: Fb2Book): ReaderContentPlan {
 
     elements += ReaderElement.Cover
     elements += ReaderElement.FixedSpacer(6)
+    book.bodyEpigraphs.forEach { epigraph ->
+        val itemIndex = elements.size
+        addEpigraphSentences(itemIndex, epigraph)
+        elements += ReaderElement.Epigraph(epigraph, 0)
+    }
     book.sections.forEach { addSection(it, 0) }
     elements += ReaderElement.FixedSpacer(22)
 
@@ -866,6 +1174,80 @@ internal sealed interface ReaderElement {
     data class BookImage(val image: Fb2ImageRef) : ReaderElement
     data class Paragraph(val text: Fb2Text, val depth: Int) : ReaderElement
     data class Subtitle(val text: Fb2Text) : ReaderElement
+    data class Epigraph(val epigraph: Fb2Epigraph, val depth: Int) : ReaderElement
+    data class Cite(val cite: Fb2Cite, val depth: Int) : ReaderElement
+    data class Poem(val poem: Fb2Poem, val depth: Int) : ReaderElement
+}
+
+internal data class ReaderPoemSegment(
+    val text: Fb2Text,
+    val kind: ReaderPoemSegmentKind,
+    val startOffset: Int,
+    val gapBeforeDp: Int,
+)
+
+internal enum class ReaderPoemSegmentKind {
+    Title,
+    Subtitle,
+    Verse,
+    TextAuthor,
+    Date,
+}
+
+private fun Fb2Poem.readerSegments(): List<ReaderPoemSegment> {
+    val segments = mutableListOf<ReaderPoemSegment>()
+    var offset = 0
+
+    fun add(text: Fb2Text, kind: ReaderPoemSegmentKind, gapBeforeDp: Int) {
+        segments += ReaderPoemSegment(text, kind, offset, gapBeforeDp)
+        offset += text.plainText().length + 1
+    }
+
+    title.forEachIndexed { index, text ->
+        add(text, ReaderPoemSegmentKind.Title, if (index == 0) 0 else 2)
+    }
+    blocks.forEach { block ->
+        when (block) {
+            is Fb2PoemBlock.Subtitle -> add(block.content, ReaderPoemSegmentKind.Subtitle, 8)
+            is Fb2PoemBlock.Stanza -> {
+                val stanza = block.stanza
+                val startsNewStanza = segments.isNotEmpty()
+                stanza.title.forEachIndexed { index, text ->
+                    add(text, ReaderPoemSegmentKind.Subtitle, if (startsNewStanza && index == 0) 12 else 4)
+                }
+                stanza.subtitle?.let { add(it, ReaderPoemSegmentKind.Subtitle, 4) }
+                stanza.verses.forEachIndexed { index, verse ->
+                    val gap = when {
+                        index == 0 && startsNewStanza && stanza.title.isEmpty() && stanza.subtitle == null -> 12
+                        index == 0 -> 4
+                        else -> 0
+                    }
+                    add(verse, ReaderPoemSegmentKind.Verse, gap)
+                }
+            }
+        }
+    }
+    textAuthors.forEachIndexed { index, text ->
+        add(text, ReaderPoemSegmentKind.TextAuthor, if (index == 0) 8 else 2)
+    }
+    date?.takeIf { it.isNotBlank() }?.let { date ->
+        add(Fb2Text(listOf(Fb2TextSpan(date))), ReaderPoemSegmentKind.Date, 2)
+    }
+
+    return segments
+}
+
+private fun ReaderSentenceRange.forSegment(segment: ReaderPoemSegment): ReaderSentenceRange? {
+    val segmentStart = segment.startOffset
+    val segmentEnd = segmentStart + segment.text.plainText().length
+    val overlapStart = max(start, segmentStart)
+    val overlapEnd = min(endExclusive, segmentEnd)
+    if (overlapStart >= overlapEnd) return null
+    return ReaderSentenceRange(
+        start = overlapStart - segmentStart,
+        endExclusive = overlapEnd - segmentStart,
+        pauseAfterMillis = pauseAfterMillis,
+    )
 }
 
 private data class ReaderSentenceRange(
@@ -1006,10 +1388,42 @@ internal data class BookStats(
         fun from(book: Fb2Book): BookStats {
             val sections = book.sections.flattenSections()
             val words = sections.sumOf { entry ->
-                entry.section.paragraphs.sumOf { paragraph -> paragraph.split(Regex("\\s+")).count { it.isNotBlank() } }
+                entry.section.readableBlocks().sumOf { block -> block.wordCount() }
             }
             val bodyImages = sections.sumOf { it.section.images.size } + book.bodyImages.size
             return BookStats(words = words, sections = sections.size, images = bodyImages + book.coverImages.size)
         }
     }
 }
+
+private fun Fb2Block.wordCount(): Int =
+    when (this) {
+        Fb2Block.EmptyLine,
+        is Fb2Block.Image -> 0
+        is Fb2Block.Cite -> cite.wordCount()
+        is Fb2Block.Epigraph -> epigraph.wordCount()
+        is Fb2Block.Paragraph -> content.plainText().wordCount()
+        is Fb2Block.Poem -> poem.wordCount()
+        is Fb2Block.Subtitle -> content.plainText().wordCount()
+    }
+
+private fun Fb2Poem.wordCount(): Int =
+    epigraphs.sumOf { it.wordCount() } + readerSegments().sumOf { it.text.plainText().wordCount() }
+
+private fun Fb2Epigraph.wordCount(): Int =
+    blocks.sumOf { it.wordCount() } + textAuthors.sumOf { it.plainText().wordCount() }
+
+private fun Fb2Cite.wordCount(): Int =
+    blocks.sumOf { it.wordCount() } + textAuthors.sumOf { it.plainText().wordCount() }
+
+private fun Fb2EpigraphBlock.wordCount(): Int =
+    when (this) {
+        Fb2EpigraphBlock.EmptyLine -> 0
+        is Fb2EpigraphBlock.Cite -> cite.wordCount()
+        is Fb2EpigraphBlock.Paragraph -> content.plainText().wordCount()
+        is Fb2EpigraphBlock.Poem -> poem.wordCount()
+        is Fb2EpigraphBlock.Subtitle -> content.plainText().wordCount()
+    }
+
+private fun String.wordCount(): Int =
+    split(Regex("\\s+")).count { it.isNotBlank() }

composeApp/src/commonTest/kotlin/net/sergeych/toread/ReadAloudContentPlanTest.kt

@@ -4,7 +4,12 @@ import kotlin.test.Test
 import kotlin.test.assertEquals
 import net.sergeych.toread.fb2.Fb2Block
 import net.sergeych.toread.fb2.Fb2Book
+import net.sergeych.toread.fb2.Fb2Epigraph
+import net.sergeych.toread.fb2.Fb2EpigraphBlock
+import net.sergeych.toread.fb2.Fb2Poem
+import net.sergeych.toread.fb2.Fb2PoemBlock
 import net.sergeych.toread.fb2.Fb2Section
+import net.sergeych.toread.fb2.Fb2Stanza
 import net.sergeych.toread.fb2.Fb2Text
 import net.sergeych.toread.fb2.Fb2TextSpan
 
@@ -146,6 +151,74 @@ class ReadAloudContentPlanTest {
         assertEquals("/б 'z /1.", plan.sentences.single().spokenText)
     }
 
-    private fun paragraph(text: String): Fb2Block.Paragraph =
+    @Test
-        Fb2Block.Paragraph(Fb2Text(listOf(Fb2TextSpan(text))))
+    fun poemVersesAreIncludedInReadAloudPlan() {
+        val plan = buildReaderContentPlan(
+            Fb2Book(
+                title = "Book",
+                sections = listOf(
+                    Fb2Section(
+                        blocks = listOf(
+                            Fb2Block.Poem(
+                                Fb2Poem(
+                                    blocks = listOf(
+                                        Fb2PoemBlock.Stanza(
+                                            Fb2Stanza(
+                                                verses = listOf(
+                                                    text("Line one."),
+                                                    text("Line two."),
+                                                ),
+                                            ),
+                                        ),
+                                    ),
+                                ),
+                            ),
+                        ),
+                    ),
+                ),
+            ),
+        )
+
+        assertEquals(listOf("Line one.", "Line two."), plan.sentences.map { it.text })
+        assertEquals(1, plan.elements.filterIsInstance<ReaderElement.Poem>().size)
+    }
+
+    @Test
+    fun epigraphsAreIncludedInReaderPlan() {
+        val plan = buildReaderContentPlan(
+            Fb2Book(
+                title = "Book",
+                bodyEpigraphs = listOf(
+                    Fb2Epigraph(
+                        blocks = listOf(Fb2EpigraphBlock.Paragraph(text("Body quote."))),
+                        textAuthors = listOf(text("Body author.")),
+                    ),
+                ),
+                sections = listOf(
+                    Fb2Section(
+                        blocks = listOf(
+                            Fb2Block.Epigraph(
+                                Fb2Epigraph(
+                                    blocks = listOf(Fb2EpigraphBlock.Paragraph(text("Section quote."))),
+                                    textAuthors = listOf(text("Section author.")),
+                                ),
+                            ),
+                        ),
+                    ),
+                ),
+            ),
+        )
+
+        assertEquals(2, plan.elements.filterIsInstance<ReaderElement.Epigraph>().size)
+        assertEquals(
+            listOf("Body quote.", "Body author.", "Section quote.", "Section author."),
+            plan.sentences.map { it.text },
+        )
+    }
+
+    private fun paragraph(text: String): Fb2Block.Paragraph =
+        Fb2Block.Paragraph(text(text))
+
+    private fun text(text: String): Fb2Text =
+        Fb2Text(listOf(Fb2TextSpan(text)))
 }

composeApp/src/jvmMain/kotlin/net/sergeych/toread/BookPlatform.jvm.kt

@@ -312,9 +312,15 @@ actual suspend fun viewLibraryBookFile(fileId: String): Boolean = withContext(Di
 actual suspend fun loadBookInfoExtras(fileId: String): BookInfoExtras = withContext(Dispatchers.IO) {
     openLibraryDatabase().useLibrary { db ->
         val file = db.files.get(fileId) ?: return@useLibrary BookInfoExtras()
-        val clusterId = file.bodyClusterId ?: return@useLibrary BookInfoExtras()
+        val sourceFileName = file.originalFilename ?: file.storageUri?.substringAfterLast(File.separatorChar)
+        val clusterId = file.bodyClusterId ?: return@useLibrary BookInfoExtras(
+            sourceFileName = sourceFileName,
+            sourceFilePath = file.storageUri,
+        )
         val readingPosition = db.readingStates.getForBodyCluster(clusterId)?.anchor?.formatHintsJson?.toReadingPosition()
         BookInfoExtras(
+            sourceFileName = sourceFileName,
+            sourceFilePath = file.storageUri,
             bookmarks = db.bookmarks.listForBodyCluster(clusterId).map {
                 BookmarkInfo(
                     title = it.title,

shared/src/commonMain/kotlin/net/sergeych/toread/fb2/Fb2Book.kt

@@ -15,6 +15,7 @@ data class Fb2Book(
     val documentInfo: Fb2DocumentInfo = Fb2DocumentInfo(),
     val bodyTitle: List<String> = emptyList(),
     val bodyImages: List<Fb2ImageRef> = emptyList(),
+    val bodyEpigraphs: List<Fb2Epigraph> = emptyList(),
     val sections: List<Fb2Section> = emptyList(),
     val binaries: List<Fb2Binary> = emptyList(),
 ) {
@@ -69,10 +70,50 @@ data class Fb2Binary(
 sealed interface Fb2Block {
     data class Paragraph(val content: Fb2Text) : Fb2Block
     data class Subtitle(val content: Fb2Text) : Fb2Block
+    data class Epigraph(val epigraph: Fb2Epigraph) : Fb2Block
+    data class Cite(val cite: Fb2Cite) : Fb2Block
+    data class Poem(val poem: Fb2Poem) : Fb2Block
     data class Image(val image: Fb2ImageRef) : Fb2Block
     data object EmptyLine : Fb2Block
 }
 
+data class Fb2Epigraph(
+    val blocks: List<Fb2EpigraphBlock> = emptyList(),
+    val textAuthors: List<Fb2Text> = emptyList(),
+)
+
+data class Fb2Cite(
+    val blocks: List<Fb2EpigraphBlock> = emptyList(),
+    val textAuthors: List<Fb2Text> = emptyList(),
+)
+
+sealed interface Fb2EpigraphBlock {
+    data class Paragraph(val content: Fb2Text) : Fb2EpigraphBlock
+    data class Subtitle(val content: Fb2Text) : Fb2EpigraphBlock
+    data class Poem(val poem: Fb2Poem) : Fb2EpigraphBlock
+    data class Cite(val cite: Fb2Cite) : Fb2EpigraphBlock
+    data object EmptyLine : Fb2EpigraphBlock
+}
+
+data class Fb2Poem(
+    val title: List<Fb2Text> = emptyList(),
+    val epigraphs: List<Fb2Epigraph> = emptyList(),
+    val blocks: List<Fb2PoemBlock> = emptyList(),
+    val textAuthors: List<Fb2Text> = emptyList(),
+    val date: String? = null,
+)
+
+sealed interface Fb2PoemBlock {
+    data class Subtitle(val content: Fb2Text) : Fb2PoemBlock
+    data class Stanza(val stanza: Fb2Stanza) : Fb2PoemBlock
+}
+
+data class Fb2Stanza(
+    val title: List<Fb2Text> = emptyList(),
+    val subtitle: Fb2Text? = null,
+    val verses: List<Fb2Text> = emptyList(),
+)
+
 data class Fb2Text(
     val spans: List<Fb2TextSpan>,
 ) {

shared/src/commonMain/kotlin/net/sergeych/toread/fb2/Fb2XmlMapper.kt

@@ -32,6 +32,7 @@ internal object Fb2XmlMapper {
             documentInfo = documentInfoFrom(documentInfo),
             bodyTitle = body?.first("title")?.children("p")?.mapNotNull { it.text().ifBlank { null } }.orEmpty(),
             bodyImages = body?.children("image")?.mapNotNull(::imageRefFrom).orEmpty(),
+            bodyEpigraphs = body?.children("epigraph")?.map(::epigraphFrom).orEmpty(),
             sections = body?.children("section")?.map(::sectionFrom).orEmpty(),
             binaries = root.children("binary").mapNotNull(::binaryFrom),
         )
@@ -124,6 +125,9 @@ internal object Fb2XmlMapper {
             when (child.localName) {
                 "p" -> Fb2Block.Paragraph(textFrom(child))
                 "subtitle" -> Fb2Block.Subtitle(textFrom(child))
+                "epigraph" -> Fb2Block.Epigraph(epigraphFrom(child))
+                "cite" -> Fb2Block.Cite(citeFrom(child))
+                "poem" -> Fb2Block.Poem(poemFrom(child))
                 "image" -> imageRefFrom(child)?.let(Fb2Block::Image)
                 "empty-line" -> Fb2Block.EmptyLine
                 else -> null
@@ -140,8 +144,64 @@ internal object Fb2XmlMapper {
         )
     }
 
+    private fun poemFrom(element: XmlElement): Fb2Poem =
+        Fb2Poem(
+            title = titleFrom(element.first("title")),
+            epigraphs = element.children("epigraph").map(::epigraphFrom),
+            blocks = element.nodes.mapNotNull { node ->
+                val child = (node as? XmlNode.ElementNode)?.element ?: return@mapNotNull null
+                when (child.localName) {
+                    "subtitle" -> Fb2PoemBlock.Subtitle(textFrom(child))
+                    "stanza" -> Fb2PoemBlock.Stanza(stanzaFrom(child))
+                    else -> null
+                }
+            },
+            textAuthors = element.children("text-author").map(::textFrom),
+            date = element.first("date")?.text()?.ifBlank { null },
+        )
+
+    private fun epigraphFrom(element: XmlElement): Fb2Epigraph =
+        Fb2Epigraph(
+            blocks = element.nodes.mapNotNull { node ->
+                val child = (node as? XmlNode.ElementNode)?.element ?: return@mapNotNull null
+                when (child.localName) {
+                    "p" -> Fb2EpigraphBlock.Paragraph(textFrom(child))
+                    "poem" -> Fb2EpigraphBlock.Poem(poemFrom(child))
+                    "cite" -> Fb2EpigraphBlock.Cite(citeFrom(child))
+                    "empty-line" -> Fb2EpigraphBlock.EmptyLine
+                    else -> null
+                }
+            },
+            textAuthors = element.children("text-author").map(::textFrom),
+        )
+
+    private fun citeFrom(element: XmlElement): Fb2Cite =
+        Fb2Cite(
+            blocks = element.nodes.mapNotNull { node ->
+                val child = (node as? XmlNode.ElementNode)?.element ?: return@mapNotNull null
+                when (child.localName) {
+                    "p" -> Fb2EpigraphBlock.Paragraph(textFrom(child))
+                    "subtitle" -> Fb2EpigraphBlock.Subtitle(textFrom(child))
+                    "poem" -> Fb2EpigraphBlock.Poem(poemFrom(child))
+                    "empty-line" -> Fb2EpigraphBlock.EmptyLine
+                    else -> null
+                }
+            },
+            textAuthors = element.children("text-author").map(::textFrom),
+        )
+
+    private fun stanzaFrom(element: XmlElement): Fb2Stanza =
+        Fb2Stanza(
+            title = titleFrom(element.first("title")),
+            subtitle = element.first("subtitle")?.let(::textFrom),
+            verses = element.children("v").map(::textFrom),
+        )
+
+    private fun titleFrom(element: XmlElement?): List<Fb2Text> =
+        element?.children("p")?.map(::textFrom).orEmpty()
+
     private fun textFrom(element: XmlElement): Fb2Text =
-        Fb2Text(spansFrom(element.nodes).mergeAdjacent())
+        Fb2Text(spansFrom(element.nodes).mergeAdjacent().trimBoundaryWhitespace())
 
     private fun spansFrom(nodes: List<XmlNode>, styles: Set<Fb2TextStyle> = emptySet()): List<Fb2TextSpan> =
         nodes.flatMap { node ->
@@ -179,6 +239,14 @@ internal object Fb2XmlMapper {
         return merged
     }
 
+    private fun List<Fb2TextSpan>.trimBoundaryWhitespace(): List<Fb2TextSpan> {
+        if (isEmpty()) return emptyList()
+        val trimmed = toMutableList()
+        trimmed[0] = trimmed[0].copy(text = trimmed[0].text.trimStart())
+        trimmed[trimmed.lastIndex] = trimmed.last().copy(text = trimmed.last().text.trimEnd())
+        return trimmed.filter { it.text.isNotEmpty() }
+    }
+
     private fun StringBuilder.appendSection(section: Fb2Section) {
         append("<section>")
         section.title?.takeIf { it.isNotBlank() }?.let {

shared/src/commonTest/kotlin/net/sergeych/toread/fb2/Fb2FormatTest.kt

@@ -81,6 +81,41 @@ class Fb2FormatTest {
         assertEquals("pic.png", (section.blocks[3] as Fb2Block.Image).image.binaryId)
     }
 
+    @Test
+    fun parsesPoemsWithStanzasVersesAndInlineStyles() {
+        val book = Fb2Format.parseXml(poemXml)
+        val poem = (book.sections.single().blocks.single() as Fb2Block.Poem).poem
+
+        assertEquals("Song", poem.title.single().plainText)
+        val stanza = (poem.blocks.single() as Fb2PoemBlock.Stanza).stanza
+        assertEquals("First stanza", stanza.title.single().plainText)
+        assertEquals("Softly", stanza.subtitle?.plainText)
+        assertEquals(listOf("Line one", "Line two."), stanza.verses.map { it.plainText })
+        assertEquals(setOf(Fb2TextStyle.Emphasis), stanza.verses[0].spans.single().styles)
+        assertEquals("Poet", poem.textAuthors.single().plainText)
+        assertEquals("1910", poem.date)
+    }
+
+    @Test
+    fun parsesBodySectionAndPoemEpigraphs() {
+        val book = Fb2Format.parseXml(epigraphXml)
+
+        assertEquals("Body quote", (book.bodyEpigraphs.single().blocks.single() as Fb2EpigraphBlock.Paragraph).content.plainText)
+
+        val sectionBlocks = book.sections.single().blocks
+        val sectionEpigraph = (sectionBlocks[0] as Fb2Block.Epigraph).epigraph
+        assertEquals("Section quote", (sectionEpigraph.blocks[0] as Fb2EpigraphBlock.Paragraph).content.plainText)
+        assertEquals("Author", sectionEpigraph.textAuthors.single().plainText)
+
+        val cite = (sectionEpigraph.blocks[1] as Fb2EpigraphBlock.Cite).cite
+        assertEquals("Cited line", (cite.blocks.single() as Fb2EpigraphBlock.Paragraph).content.plainText)
+        assertEquals("Cited author", cite.textAuthors.single().plainText)
+
+        val poem = (sectionBlocks[1] as Fb2Block.Poem).poem
+        val poemEpigraph = poem.epigraphs.single()
+        assertEquals("Poem quote", (poemEpigraph.blocks.single() as Fb2EpigraphBlock.Paragraph).content.plainText)
+    }
+
     private val sampleXml = """
         <?xml version="1.0" encoding="UTF-8"?>
         <FictionBook xmlns="http://www.gribuser.ru/xml/fictionbook/2.0" xmlns:xlink="http://www.w3.org/1999/xlink">
@@ -134,6 +169,78 @@ class Fb2FormatTest {
         </FictionBook>
     """.trimIndent()
 
+    private val poemXml = """
+        <?xml version="1.0" encoding="UTF-8"?>
+        <FictionBook xmlns="http://www.gribuser.ru/xml/fictionbook/2.0" xmlns:xlink="http://www.w3.org/1999/xlink">
+          <description>
+            <title-info>
+              <author><nickname>A</nickname></author>
+              <book-title>Poetry</book-title>
+              <lang>en</lang>
+            </title-info>
+            <document-info>
+              <author><nickname>Toread</nickname></author>
+              <date>2026-05-12</date>
+              <id>poetry</id>
+              <version>1.0</version>
+            </document-info>
+          </description>
+          <body>
+            <section>
+              <poem>
+                <title><p>Song</p></title>
+                <stanza>
+                  <title><p>First stanza</p></title>
+                  <subtitle>Softly</subtitle>
+                  <v>
+                    <emphasis>Line one</emphasis>
+                  </v>
+                  <v>Line two.</v>
+                </stanza>
+                <text-author>Poet</text-author>
+                <date>1910</date>
+              </poem>
+            </section>
+          </body>
+        </FictionBook>
+    """.trimIndent()
+
+    private val epigraphXml = """
+        <?xml version="1.0" encoding="UTF-8"?>
+        <FictionBook xmlns="http://www.gribuser.ru/xml/fictionbook/2.0" xmlns:xlink="http://www.w3.org/1999/xlink">
+          <description>
+            <title-info>
+              <author><nickname>A</nickname></author>
+              <book-title>Epigraphs</book-title>
+              <lang>en</lang>
+            </title-info>
+            <document-info>
+              <author><nickname>Toread</nickname></author>
+              <date>2026-05-12</date>
+              <id>epigraphs</id>
+              <version>1.0</version>
+            </document-info>
+          </description>
+          <body>
+            <epigraph><p>Body quote</p></epigraph>
+            <section>
+              <epigraph>
+                <p>Section quote</p>
+                <cite>
+                  <p>Cited line</p>
+                  <text-author>Cited author</text-author>
+                </cite>
+                <text-author>Author</text-author>
+              </epigraph>
+              <poem>
+                <epigraph><p>Poem quote</p></epigraph>
+                <stanza><v>Line.</v></stanza>
+              </poem>
+            </section>
+          </body>
+        </FictionBook>
+    """.trimIndent()
+
     private val windows1251Xml = """
         <?xml version="1.0" encoding="windows-1251"?>
         <FictionBook xmlns="http://www.gribuser.ru/xml/fictionbook/2.0" xmlns:xlink="http://www.w3.org/1999/xlink">

shared/src/jdbcMain/kotlin/net/sergeych/toread/storage/jdbc/LibraryScanner.kt

@@ -2,7 +2,12 @@ package net.sergeych.toread.storage.jdbc
 
 import net.sergeych.toread.fb2.Fb2Block
 import net.sergeych.toread.fb2.Fb2Book
+import net.sergeych.toread.fb2.Fb2Cite
+import net.sergeych.toread.fb2.Fb2Epigraph
+import net.sergeych.toread.fb2.Fb2EpigraphBlock
 import net.sergeych.toread.fb2.Fb2Format
+import net.sergeych.toread.fb2.Fb2Poem
+import net.sergeych.toread.fb2.Fb2PoemBlock
 import net.sergeych.toread.fb2.Fb2Section
 import net.sergeych.toread.storage.BodyClusterRecord
 import net.sergeych.toread.storage.BookBodyRecord
@@ -246,7 +251,7 @@ private fun String.bookMimeType(): String =
     if (endsWith(".zip", ignoreCase = true)) "application/zip" else "application/x-fictionbook+xml"
 
 private fun Fb2Book.canonicalText(): String =
-    sections.flatMap { it.textBlocks() }
+    (bodyEpigraphs.flatMap { it.textBlocks() } + sections.flatMap { it.textBlocks() })
         .joinToString(separator = "\n") { it.normalizeForBodyHash() }
         .trim()
 
@@ -256,8 +261,11 @@ private fun Fb2Section.textBlocks(): List<String> {
         blocks.forEach { block ->
             when (block) {
                 Fb2Block.EmptyLine -> Unit
+                is Fb2Block.Cite -> addAll(block.cite.textBlocks())
+                is Fb2Block.Epigraph -> addAll(block.epigraph.textBlocks())
                 is Fb2Block.Image -> Unit
                 is Fb2Block.Paragraph -> add(block.content.plainText)
+                is Fb2Block.Poem -> addAll(block.poem.textBlocks())
                 is Fb2Block.Subtitle -> add(block.content.plainText)
             }
         }
@@ -266,6 +274,42 @@ private fun Fb2Section.textBlocks(): List<String> {
     return current + sections.flatMap { it.textBlocks() }
 }
 
+private fun Fb2Poem.textBlocks(): List<String> = buildList {
+    title.forEach { add(it.plainText) }
+    epigraphs.forEach { addAll(it.textBlocks()) }
+    blocks.forEach { block ->
+        when (block) {
+            is Fb2PoemBlock.Stanza -> {
+                block.stanza.title.forEach { add(it.plainText) }
+                block.stanza.subtitle?.let { add(it.plainText) }
+                block.stanza.verses.forEach { add(it.plainText) }
+            }
+            is Fb2PoemBlock.Subtitle -> add(block.content.plainText)
+        }
+    }
+    textAuthors.forEach { add(it.plainText) }
+    date?.let { add(it) }
+}
+
+private fun Fb2Epigraph.textBlocks(): List<String> = buildList {
+    blocks.forEach { addAll(it.textBlocks()) }
+    textAuthors.forEach { add(it.plainText) }
+}
+
+private fun Fb2Cite.textBlocks(): List<String> = buildList {
+    blocks.forEach { addAll(it.textBlocks()) }
+    textAuthors.forEach { add(it.plainText) }
+}
+
+private fun Fb2EpigraphBlock.textBlocks(): List<String> =
+    when (this) {
+        Fb2EpigraphBlock.EmptyLine -> emptyList()
+        is Fb2EpigraphBlock.Cite -> cite.textBlocks()
+        is Fb2EpigraphBlock.Paragraph -> listOf(content.plainText)
+        is Fb2EpigraphBlock.Poem -> poem.textBlocks()
+        is Fb2EpigraphBlock.Subtitle -> listOf(content.plainText)
+    }
+
 private fun String.normalizeForBodyHash(): String =
     lowercase()
         .replace('\u00ad'.toString(), "")