优化

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

@@ -4,9 +4,8 @@ import android.content.Context
 import android.net.Uri
 import io.legado.app.App
 import io.legado.app.data.entities.Book
-import io.legado.app.utils.DocumentUtils
-import io.legado.app.utils.EncodingDetect
-import io.legado.app.utils.FileUtils
+import io.legado.app.data.entities.TxtTocRule
+import io.legado.app.utils.*
 import java.io.File
 import java.io.RandomAccessFile
 
@@ -29,10 +28,23 @@ object AnalyzeTxtFile {
             }
         }
         book.charset = EncodingDetect.getEncode(bookFile)
-
+        val tocRules = getTocRules()
         //获取文件流
         val bookStream = RandomAccessFile(bookFile, "r")
 
     }
 
+
+    private fun getTocRules(): List<TxtTocRule> {
+        val rules = App.db.txtTocRule().all
+        if (rules.isEmpty()) {
+            App.INSTANCE.assets.open("txtTocRule.json").readBytes().let { byteArray ->
+                GSON.fromJsonArray<TxtTocRule>(String(byteArray))?.let {
+                    App.db.txtTocRule().insert(*it.toTypedArray())
+                    return it
+                }
+            }
+        }
+        return rules
+    }
 }