pull/2431/head
kunfei 2 years ago
parent 3068eb2138
commit b95856ff84
  1. 2
      app/src/main/java/io/legado/app/help/coroutine/Coroutine.kt
  2. 47
      app/src/main/java/io/legado/app/utils/RegexExtensions.kt

@ -145,7 +145,7 @@ class Coroutine<T>(
context: CoroutineContext,
block: suspend CoroutineScope.() -> T
): Job {
return (scope + Dispatchers.Main).launch(start = startOption) {
return (scope.plus(Dispatchers.Main)).launch(start = startOption) {
try {
start?.let { dispatchVoidCallback(this, it) }
ensureActive()

@ -1,35 +1,64 @@
package io.legado.app.utils
import android.util.Log
import androidx.core.os.postDelayed
import com.script.SimpleBindings
import io.legado.app.constant.AppConst
import io.legado.app.exception.RegexTimeoutException
import io.legado.app.help.CrashHandler
import io.legado.app.help.coroutine.Coroutine
import kotlinx.coroutines.suspendCancellableCoroutine
import splitties.init.appCtx
import kotlin.coroutines.resume
import kotlin.coroutines.resumeWithException
private val handler by lazy { buildMainHandler() }
/**
* 带有超时检测的正则替换
*/
fun CharSequence.replace(regex: Regex, replacement: String, timeout: Long): String {
val startTime = System.currentTimeMillis()
val charSequence = this
suspend fun CharSequence.replace(regex: Regex, replacement: String, timeout: Long): String {
val charSequence = this@replace
val isJs = replacement.startsWith("@js:")
val replacement1 = if (isJs) replacement.substring(4) else replacement
return suspendCancellableCoroutine { block ->
val coroutine = Coroutine.async {
try {
val pattern = regex.toPattern()
val matcher = pattern.matcher(charSequence)
val stringBuffer = StringBuffer()
while (matcher.find()) {
if (System.currentTimeMillis() - startTime > timeout) {
val timeoutMsg = "替换超时,将禁用替换规则"
throw RegexTimeoutException(timeoutMsg)
}
if (isJs) {
val bindings = SimpleBindings()
bindings["result"] = matcher.group()
val jsResult = AppConst.SCRIPT_ENGINE.eval(replacement1, bindings).toString()
val jsResult =
AppConst.SCRIPT_ENGINE.eval(replacement1, bindings).toString()
matcher.appendReplacement(stringBuffer, jsResult)
} else {
matcher.appendReplacement(stringBuffer, replacement1)
}
}
matcher.appendTail(stringBuffer)
return stringBuffer.toString()
Log.e("regex", "end")
block.resume(stringBuffer.toString())
} catch (e: Exception) {
block.resumeWithException(e)
}
}
handler.postDelayed(timeout) {
if (coroutine.isActive) {
val timeoutMsg = "替换超时,3秒后还未结束将重启应用\n替换规则$regex\n替换内容:${this}"
val exception = RegexTimeoutException(timeoutMsg)
block.cancel(exception)
appCtx.longToastOnUi(timeoutMsg)
CrashHandler.saveCrashInfo2File(exception)
handler.postDelayed(3000) {
if (coroutine.isActive) {
appCtx.restart()
}
}
}
}
}
}

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