优化链接分割规则，避免 ,{c参数} 的字符串中也存在 ,{ ，导致规则切错

修复<str0,str2,...{{js}}>这种页数列表写法中，js部分内含 < 或 > 就会切割错误的问题

优化格式化图片标签操作和匹配图片标签操作，加快图片处理速度

app/src/main/java/io/legado/app/constant/AppPattern.kt

@@ -8,9 +8,8 @@ object AppPattern {
         Pattern.compile("(<js>[\\w\\W]*?</js>|@js:[\\w\\W]*$)", Pattern.CASE_INSENSITIVE)
     val EXP_PATTERN: Pattern = Pattern.compile("\\{\\{([\\w\\W]*?)\\}\\}")
 
-    //非格式化时，不需要原来那么复杂的正则表达式
-    val imgPattern: Pattern =
-        Pattern.compile("<img[^>]*src *= *\"([^\"{]+(?:\\{(?:[^{}]|\\{[^{}]*\\})*\\})?)\"[^>]*>", Pattern.CASE_INSENSITIVE)
+    //只匹配格式化后的图片
+    val imgPattern: Pattern = Pattern.compile("<img src=\"([^\"{]+(?:\\{(?:[^{}]|\\{[^{}]*\\})*\\})?)\">")
 
     val nameRegex = Regex("\\s+作\\s*者.*|\\s+\\S+\\s+著")
     val authorRegex = Regex("^.*?作\\s*者[:：\\s]*|\\s+著")

app/src/main/java/io/legado/app/data/entities/BookChapter.kt

@@ -7,6 +7,7 @@ import androidx.room.Ignore
 import androidx.room.Index
 import io.legado.app.utils.GSON
 import io.legado.app.utils.MD5Utils
+import io.legado.app.utils.NetworkUtils
 import io.legado.app.utils.fromJsonObject
 import kotlinx.parcelize.IgnoredOnParcel
 import kotlinx.parcelize.Parcelize
@@ -60,9 +61,7 @@ data class BookChapter(
         return false
     }
 
-    fun getAbsoluteURL():String{
-        return url.replace("^\\s*([^,\\s]+)".toRex(),NetworkUtils.getAbsoluteURL(baseUrl,"$1"))
-    }
+    fun getAbsoluteURL() = url.replace("^\\s*([^,\\s]+)\\s*".toRegex()){ NetworkUtils.getAbsoluteURL(baseUrl,it.groupValues[1]) }
 
     fun getFileName(): String = String.format("%05d-%s.nb", index, MD5Utils.md5Encode16(title))
 

app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt

@@ -66,7 +66,7 @@ class AnalyzeRule(val ruleData: RuleDataInterface) : JsExtensions {
     fun setRedirectUrl(url: String): URL? {
         kotlin.runCatching {
             val pos = url.indexOf(',')
-            redirectUrl = URL( if(pos == -1) url else url.substring(0,pos).trim{ it < '!'} )
+            redirectUrl = URL( if(pos == -1)url else url.substring(pos+1).trim{ it < '!'} )
         }
         return redirectUrl
     }

app/src/main/java/io/legado/app/service/help/ReadBook.kt

@@ -415,30 +415,22 @@ object ReadBook {
                     else -> chapter.title
                 }
                 val contents = contentProcessor!!.getContent(book, chapter.title, content)
-                when (chapter.index) {
-                    durChapterIndex -> {
-                        curTextChapter =
-                            ChapterProvider.getTextChapter(
-                                book, chapter, contents, chapterSize
-                            )
-                        if (upContent) callBack?.upContent(resetPageOffset = resetPageOffset)
+                val textChapter = ChapterProvider.getTextChapter(book, chapter,contents,chapterSize)
+
+                val offset = chapter.index - durChapterIndex
+                if (upContent) callBack?.upContent(offset ,resetPageOffset)
+                when (offset) {
+                    0 -> {
+                        curTextChapter = textChapter
                         callBack?.upView()
                         curPageChanged()
                         callBack?.contentLoadFinish()
                     }
-                    durChapterIndex - 1 -> {
-                        prevTextChapter =
-                            ChapterProvider.getTextChapter(
-                                book, chapter, contents, chapterSize
-                            )
-                        if (upContent) callBack?.upContent(-1, resetPageOffset)
+                    - 1 -> {
+                        prevTextChapter = textChapter
                     }
-                    durChapterIndex + 1 -> {
-                        nextTextChapter =
-                            ChapterProvider.getTextChapter(
-                                book, chapter, contents, chapterSize
-                            )
-                        if (upContent) callBack?.upContent(1, resetPageOffset)
+                    1 -> {
+                        nextTextChapter = textChapter
                     }
                 }
             }

app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt

@@ -110,19 +110,11 @@ object ChapterProvider {
                         isTitle, textPaint, srcList
                     )
                 }
-            } else if (book.getImageStyle() != Book.imgStyleText) {
-                content.replace(AppPattern.imgPattern.toRegex(), "\n\$0\n")
+            } else {
+                content.replace(AppPattern.imgPattern.toRegex(), "\n\b\$0\n")
                     .split("\n").forEach { text ->
                         if (text.isNotBlank()) {
-                            val matcher = AppPattern.imgPattern.matcher(text)
-                            if (matcher.find()) {
-                                matcher.group(1)?.let { src ->
-                                    durY = setTypeImage(
-                                        book, bookChapter, src,
-                                        durY, textPages, book.getImageStyle()
-                                    )
-                                }
-                            } else {
+                            if(text[0] != '\b'){ //非图片
                                 val isTitle = index == 0
                                 val textPaint = if (isTitle) titlePaint else contentPaint
                                 if (!(isTitle && ReadBookConfig.titleMode == 2)) {
@@ -131,6 +123,11 @@ object ChapterProvider {
                                         stringBuilder, isTitle, textPaint
                                     )
                                 }
+                            } else { //图片
+                                durY = setTypeImage(
+                                    book, bookChapter, text.substring(1),
+                                    durY, textPages, book.getImageStyle()
+                                )
                             }
                         }
                     }
@@ -149,7 +146,10 @@ object ChapterProvider {
 
         return TextChapter(
             bookChapter.index, bookChapter.title,
-            bookChapter.getAbsoluteURL().split(',',limit = 1)[0], //bookChapter.getAbsoluteURL已经处理过,直接按','就行
+            bookChapter.getAbsoluteURL().run{
+                val pos = indexOf(',')
+                if(pos == -1) this else substring(0,pos)
+            },
             textPages, chapterSize
         )
     }

app/src/main/java/io/legado/app/utils/HtmlFormatter.kt

@@ -25,31 +25,22 @@ object HtmlFormatter {
         val keepImgHtml = formatKeepImg(html)
         val sb = StringBuffer()
 
-        //图片有data-开头的数据属性时优先用数据属性作为src，没有数据属性时才匹配src
-        val hasData = keepImgHtml.matches("<img[^>]*data-".toRegex())
-
-        val imgPatternX = if(hasData) Pattern.compile("<img[^>]*data-[^=]*= *\"([^\"])\"[^>]*>", Pattern.CASE_INSENSITIVE) else imgPattern
+        //图片有data-开头的数据属性时优先用数据属性作为src，没有数据属性时匹配src
+        val imgPatternX = Pattern.compile(
+            if(keepImgHtml.matches("<img[^>]*data-".toRegex())) "<img[^>]*data-[^=]*= *\"([^\"])\"[^>]*>"
+            else "<img[^>]*src *= *\"([^\"{]+(?:\\{(?:[^{}]|\\{[^{}]*\\})*\\})?)\"[^>]*>", Pattern.CASE_INSENSITIVE
+        )
 
         val matcher = imgPatternX.matcher(keepImgHtml)
         var appendPos = 0
         while (matcher.find()) {
-
-            var url = matcher.group(1)!!
-            val param:String
-            val pos = url.indexOf(',')
-
-            url = NetworkUtils.getAbsoluteURL(redirectUrl, if(pos == -1){
-                param = ""
-                url.trim{ it <'!'}
-            } else {
-                param = url.substring(pos+1).trim{ it <'!'}
-                url.substring(0,pos).trim{ it <'!'}
-            })
-
             sb.append(keepImgHtml.substring(appendPos, matcher.start()))
-            sb.append("<img src=\"${url+param}\" >")
+            sb.append("<img src=\"${
+                matcher.group(1)!!.replace("^\\s*([^,\\s]+)\\s*".toRegex()){
+                    NetworkUtils.getAbsoluteURL(redirectUrl,it.groupValues[1])
+                }
+            }\">")
             appendPos = matcher.end()
-
         }
         if (appendPos < keepImgHtml.length) {
             sb.append(keepImgHtml.substring(appendPos, keepImgHtml.length))