Merge pull request #933 from ag2s20150909/master

修复导出epub的标题样式过大&&优化导入本地文件识别

app/src/main/java/io/legado/app/model/localBook/EpubFile.kt

@@ -196,7 +196,11 @@ class EpubFile(var book: Book) {
             book.intro = "书籍导入异常"
         } else {
             val metadata = epubBook!!.metadata
-            book.name = book.originName
+            book.name = metadata.firstTitle
+            if (book.name.isEmpty()) {
+                book.name = book.originName.replace(".epub", "")
+            }
+
             if (metadata.authors.size > 0) {
                 val author =
                     metadata.authors[0].toString().replace("^, |, $".toRegex(), "")

app/src/main/java/io/legado/app/model/localBook/LocalBook.kt

@@ -9,6 +9,7 @@ import io.legado.app.help.BookHelp
 import io.legado.app.utils.*
 import splitties.init.appCtx
 import java.io.File
+import java.util.regex.Pattern
 
 
 object LocalBook {
@@ -55,33 +56,59 @@ object LocalBook {
             path = uri.path!!
             File(path).name
         }
-        val str = fileName.substringBeforeLast(".")
-        val authorIndex = str.indexOf("作者")
-        var name: String
-        var author: String
-        if (authorIndex == -1) {
-            name = str
-            author = ""
-        } else {
-            name = str.substring(0, authorIndex)
-            author = str.substring(authorIndex)
-            author = BookHelp.formatBookAuthor(author)
-        }
-        val smhStart = name.indexOf("《")
-        val smhEnd = name.indexOf("》")
-        if (smhStart != -1 && smhEnd != -1) {
-            name = (name.substring(smhStart + 1, smhEnd))
-        }
-        if (author == "" && fileName.contains(" by ")) {
-            val rstr = fileName.reversed()
-            // find last ' by ' near '.txt' or '.epub' using reversed string
-            val pattern = """^(txt|bupe)\.(.*) yb (.*)$""".toRegex()
-            val matches = pattern.findAll(input = rstr)
-            matches.forEach { matchResult ->
-                name = matchResult.groupValues[3].reversed()
-                author = matchResult.groupValues[2].reversed()
+
+        val name: String
+        val author: String
+
+        if (("《" in fileName && "》" in fileName)
+            || "作者" in fileName
+            || (fileName.contains(" by ", true))
+        ) {
+
+            //匹配(知轩藏书常用格式) 《书名》其它信息作者：作者名.txt
+            val m1 = Pattern
+                .compile("《(.*?)》.*?作者：(.*?).txt")
+                .matcher(fileName)
+            //匹配 书名 by 作者名.txt
+            val m2 = Pattern
+                .compile("(.*?) by (.*?).txt")
+                .matcher(fileName)
+
+            if (m1.find()) {
+                name = m1.group(1)
+                author = m1.group(2)
+                BookHelp.formatBookAuthor(author)
+            } else if (m2.find()) {
+                name = m2.group(1)
+                author = m2.group(2)
+                BookHelp.formatBookAuthor(author)
+            } else {
+
+                val st = fileName.indexOf("《");
+                val e = fileName.indexOf("》");
+                name = if (e > st && st != -1) {
+                    fileName.substring(st + 1, e)
+                } else {
+                    fileName
+                }
+
+
+                val s = fileName.indexOf("作者")
+                author = if (s != -1 && s + 2 < fileName.length) {
+                    fileName.substring(s + 2).replace(".txt", "")
+                } else {
+                    ""
+                }
+                BookHelp.formatBookAuthor(author)
+
             }
+        } else {
+
+            name = fileName.replace(".txt", "")
+            author = ""
         }
+
+
         val book = Book(
             bookUrl = path,
             name = name,

app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt

@@ -170,12 +170,7 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
         setCover(book, epubBook)
 
         //set css
-        epubBook.resources.add(
-            Resource(
-                "h1 {color: blue;}p {text-indent:2em;}".encodeToByteArray(),
-                "css/style.css"
-            )
-        )
+        setCSS(epubBook)
         //设置正文
         setEpubContent(book, epubBook)
 
@@ -195,32 +190,39 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
         setEpubMetadata(book, epubBook)
         //set cover
         setCover(book, epubBook)
+        //set css
+        setCSS(epubBook)
+
+
+        val bookPath = FileUtils.getPath(file, filename)
+        val bookFile = FileUtils.createFileWithReplace(bookPath)
+        //设置正文
+        setEpubContent(book, epubBook)
+        EpubWriter().write(epubBook, FileOutputStream(bookFile))
+    }
 
+    private fun setCSS(epubBook: EpubBook) {
         //set css
         epubBook.resources.add(
             Resource(
-                "h1 {color: blue;}p {text-indent:2em;}".encodeToByteArray(),
+                "body{background:white;margin:0;}h2{color:#005a9c;text-align:left;}p{text-indent:2em;text-align:justify;}".encodeToByteArray(),
                 "css/style.css"
             )
         )
-        val bookPath = FileUtils.getPath(file, filename)
-        val bookFile = FileUtils.createFileWithReplace(bookPath)
-        //设置正文
-        setEpubContent(book, epubBook)
-        EpubWriter().write(epubBook, FileOutputStream(bookFile))
     }
+
     private fun setCover(book: Book, epubBook: EpubBook) {
 
         Glide.with(context)
             .asBitmap()
             .load(book.coverUrl)
-            .into(object : CustomTarget<Bitmap>(){
+            .into(object : CustomTarget<Bitmap>() {
                 override fun onResourceReady(resource: Bitmap, transition: Transition<in Bitmap>?) {
                     val stream = ByteArrayOutputStream()
                     resource.compress(Bitmap.CompressFormat.JPEG, 100, stream)
                     val byteArray: ByteArray = stream.toByteArray()
                     resource.recycle()
-                    epubBook.coverImage= Resource(byteArray,"cover.jpg")
+                    epubBook.coverImage = Resource(byteArray, "cover.jpg")
                 }
 
                 override fun onLoadCleared(placeholder: Drawable?) {
@@ -238,7 +240,7 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
                 val content1 = contentProcessor
                     .getContent(book, chapter.title, content ?: "null", false, useReplace)
                     .joinToString("\n")
-                    .replace(chapter.title,"")
+                    .replace(chapter.title, "")
 
                 epubBook.addSection(
                     chapter.title,
@@ -248,7 +250,7 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
         }
     }
 
-    private fun setEpubMetadata(book: Book,epubBook: EpubBook) {
+    private fun setEpubMetadata(book: Book, epubBook: EpubBook) {
         val metadata = Metadata()
         metadata.titles.add(book.name)//书籍的名称
         metadata.authors.add(Author(book.author))//书籍的作者
@@ -257,7 +259,7 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
         metadata.publishers.add("Legado APP")//数据的创建者
         metadata.descriptions.add(book.getDisplayIntro())//书籍的简介
         //metadata.subjects.add("")//书籍的主题，在静读天下里面有使用这个分类书籍
-        epubBook.metadata=metadata
+        epubBook.metadata = metadata
     }
 
     //////end of EPUB

epublib/src/main/java/me/ag2s/epublib/util/ResourceUtil.java

@@ -71,7 +71,7 @@ public class ResourceUtil {
         html += "<head><title>" + title + "</title>" +
                 "<link rel=\"stylesheet\" type=\"text/css\" href=\"css/style.css\"/>" +
                 "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/></head>";
-        html += "<body><h1>" + title + "</h1>" +
+        html += "<body><h2>" + title + "</h2>" +
                 body +
                 "</body></html>";
 
@@ -81,8 +81,8 @@ public class ResourceUtil {
     /**
      * 快速从File创建Resource
      * @param file File
-     * @return
-     * @throws IOException
+     * @return Resource
+     * @throws IOException IOException
      */
 
     @SuppressWarnings("unused")