rewrite check onto fsm

2.5.0

.github/workflows/publishing_packages.yml

@@ -14,11 +14,6 @@ jobs:
           sed -i -e "s/^version=\([0-9\.]*\)/version=\1-branch_$branch-build${{ github.run_number }}/" gradle.properties
       - name: prebuild
         run: ./gradlew clean build
-      - name: Publish to Gitea
-        continue-on-error: true
-        run: ./gradlew publishAllPublicationsToGiteaRepository
-        env:
-          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
       - name: Publish package
         continue-on-error: true
         run: ./gradlew --no-parallel publishAllPublicationsToGithubPackagesRepository

.gitignore

@@ -1,4 +1,5 @@
 .idea
+.kotlin
 out/*
 *.iml
 target

CHANGELOG.md

@@ -1,5 +1,33 @@
 # Changelog
 
+## 2.5.1
+
+* Add cleaning up of incoming template, which must remove all malformed parts from string template (fix of [#126](https://github.com/InsanusMokrassar/krontab/issues/126))
+* Add support of insufficient amount of arguments (fix of [#126](https://github.com/InsanusMokrassar/krontab/issues/126))
+* `Version`:
+  * `Kotlin`: `2.0.21`
+  * `AndroidXWork`: `2.10.0`
+
+## 2.5.0
+
+* `Version`:
+  * `Kotlin`: `2.0.20`
+  * `Coroutines`: `1.9.0`
+  * `Serialization`: `1.7.3`
+
+## 2.4.0
+
+* `Version`:
+  * `Kotlin`: `2.0.10`
+  * `Coroutines`: `1.8.1`
+  * `Serialization`: `1.7.1`
+  * `Klock`: `5.4.0`
+  * `AndroidXWork`: `2.9.1`
+
+## 2.3.0
+
+* `doWhile` now will guarantee that it will not call `doOnce` more than once for time
+
 ## 2.2.9
 
 * `Version`:

gradle.properties

@@ -9,9 +9,9 @@ android.useAndroidX=true
 android.enableJetifier=false
 
 
-kotlin_version=1.9.23
-kotlin_coroutines_version=1.8.0
-kotlin_serialization_version=1.6.3
+kotlin_version=2.0.21
+kotlin_coroutines_version=1.9.0
+kotlin_serialization_version=1.7.3
 
 dokka_version=1.9.20
 
@@ -23,18 +23,18 @@ github_release_plugin_version=2.5.2
 
 ## Android
 
-android_gradle_version=8.1.4
+android_gradle_version=8.2.2
 android_minSdkVersion=21
-android_compileSdkVersion=34
-android_buildToolsVersion=34.0.0
+android_compileSdkVersion=35
+android_buildToolsVersion=35.0.0
 dexcount_version=4.0.0
 junit_version=4.12
 test_ext_junit_version=1.1.3
 espresso_core=3.4.0
 
-androidx_work_version=2.9.0
+androidx_work_version=2.10.0
 
 ## Common
 
-version=2.2.9
-android_code_version=39
+version=2.5.1
+android_code_version=43

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10.2-bin.zip

src/androidMain/kotlin/KronSchedulerWork.kt

@@ -139,10 +139,14 @@ abstract class KronSchedulerWork(
             }
             throw e
         }
-        when (result) {
-            is Result.Failure -> if (prolongOnFailure) prolong()
-            is Result.Success -> if (prolongOnSuccess) prolong()
-        }
+        result.checkResults(
+            onFailure = {
+                if (prolongOnFailure) prolong()
+            },
+            onSuccess = {
+                if (prolongOnSuccess) prolong()
+            }
+        )
         return result
     }
 }

src/androidMain/kotlin/ResultChecker.kt

@@ -0,0 +1,15 @@
+package dev.inmo.krontab
+
+import android.annotation.SuppressLint
+import androidx.work.ListenableWorker
+
+@SuppressLint("RestrictedApi")
+internal inline fun ListenableWorker.Result.checkResults(
+    onFailure: () -> Unit,
+    onSuccess: () -> Unit
+) {
+    when (this) {
+        is ListenableWorker.Result.Failure -> onFailure()
+        is ListenableWorker.Result.Success -> onSuccess()
+    }
+}

src/commonMain/kotlin/Executes.kt

@@ -71,9 +71,18 @@ suspend inline fun <T> doOnceTz(
  * Will execute [block] while it will return true as a result of its calculation
  */
 suspend inline fun KronScheduler.doWhile(block: (DateTime) -> Boolean) {
+    var latest: DateTime? = null
     do {
         delay(1L)
-    } while (doOnce(block))
+        val result = doOnce {
+            if (latest != it) {
+                latest = it
+                block(it)
+            } else {
+                null
+            }
+        }
+    } while (result == null || result)
 }
 /**
  * Will execute [block] while it will return true as a result of its calculation
@@ -85,9 +94,18 @@ suspend inline fun KronScheduler.doWhileLocal(block: (DateTime) -> Boolean) = do
  * Will execute [block] while it will return true as a result of its calculation
  */
 suspend inline fun KronScheduler.doWhileTz(noinline block: suspend (DateTimeTz) -> Boolean) {
+    var latest: DateTimeTz? = null
     do {
         delay(1L)
-    } while (doOnceTz(block))
+        val result = doOnceTz {
+            if (latest != it) {
+                latest = it
+                block(it)
+            } else {
+                null
+            }
+        }
+    } while (result == null || result)
 }
 
 /**

src/commonMain/kotlin/KrontabConfig.kt

@@ -1,5 +1,6 @@
 package dev.inmo.krontab
 
+import dev.inmo.krontab.internal.*
 import dev.inmo.krontab.internal.CronDateTimeScheduler
 import dev.inmo.krontab.internal.CronDateTimeSchedulerTz
 import dev.inmo.krontab.internal.createKronScheduler
@@ -94,27 +95,37 @@ value class KrontabConfig(
         var dayOfWeekParsed: Array<Byte>? = null
         var yearParsed: Array<Int>? = null
         var millisecondsParsed: Array<Short>? = null
-        val (secondsSource, minutesSource, hoursSource, dayOfMonthSource, monthSource) = template.split(" ").also {
-            listOfNotNull(
-                it.getOrNull(5),
-                it.getOrNull(6),
-                it.getOrNull(7),
-                it.getOrNull(8)
-            ).forEach {
-                val offsetFromString = parseOffset(it)
-                val dayOfWeekFromString = parseWeekDay(it)
-                val millisecondsFromString = parseMilliseconds(it)
-                offsetParsed = offsetParsed ?: offsetFromString
-                dayOfWeekParsed = dayOfWeekParsed ?: dayOfWeekFromString
-                millisecondsParsed = millisecondsParsed ?: millisecondsFromString
-                when {
-                    dayOfWeekFromString != null || offsetFromString != null || millisecondsFromString != null -> return@forEach
-                    yearParsed == null -> {
-                        yearParsed = parseYears(it)
+        val (secondsSource, minutesSource, hoursSource, dayOfMonthSource, monthSource) = template
+            .split(" ")
+            .filter { checkIncomingPart(it) } // filter garbage from string
+            .let {
+                if (it.size < 5) { // reconstruction in case of insufficient arguments; 5 is amount of required arguments out of latest also code
+                    it + (it.size until 5).map { "*" }
+                } else {
+                    it
+                }
+            }
+            .also {
+                listOfNotNull(
+                    it.getOrNull(5),
+                    it.getOrNull(6),
+                    it.getOrNull(7),
+                    it.getOrNull(8)
+                ).forEach {
+                    val offsetFromString = parseOffset(it)
+                    val dayOfWeekFromString = parseWeekDay(it)
+                    val millisecondsFromString = parseMilliseconds(it)
+                    offsetParsed = offsetParsed ?: offsetFromString
+                    dayOfWeekParsed = dayOfWeekParsed ?: dayOfWeekFromString
+                    millisecondsParsed = millisecondsParsed ?: millisecondsFromString
+                    when {
+                        dayOfWeekFromString != null || offsetFromString != null || millisecondsFromString != null -> return@forEach
+                        yearParsed == null -> {
+                            yearParsed = parseYears(it)
+                        }
                     }
                 }
             }
-        }
 
         val secondsParsed = parseSeconds(secondsSource)
         val minutesParsed = parseMinutes(minutesSource)

src/commonMain/kotlin/internal/Parser.kt

@@ -37,6 +37,76 @@ private fun <T> createSimpleScheduler(from: String, dataRange: IntRange, dataCon
     return results.map(dataConverter)
 }
 
+/**
+ * FSM for parsing of incoming data. If at the end of parsing it have non-null state and string is not empty, data passed check
+ *
+ * 1.
+ *      * \\d -> 1
+ *      * \\* -> 2
+ *      * \\- -> 5
+ *      * , -> 1
+ *      * m -> 6
+ *      * o -> 7
+ *      * w -> 7
+ * 2.
+ *      * / -> 3
+ * 3.
+ *      * \\d -> 3
+ *      * \\* -> 4
+ * 4.
+ *      * , -> 1
+ * 5.
+ *      * \\d -> 5
+ *      * , -> 1
+ * 6.
+ *      * s -> 7
+ * 7. Empty, end of parse
+ */
+private val checkIncomingPartTransitionsMap = listOf(
+    listOf(
+        Regex("\\d") to 0,
+        Regex("\\*") to 1,
+        Regex("-") to 4,
+        Regex(",") to 0,
+        Regex("m") to 5,
+        Regex("o") to 6,
+        Regex("w") to 6,
+    ),
+    listOf(
+        Regex("/") to 2,
+    ),
+    listOf(
+        Regex("\\d") to 2,
+        Regex("\\*") to 3,
+    ),
+    listOf(
+        Regex(",") to 0,
+    ),
+    listOf(
+        Regex("\\d") to 4,
+        Regex(",") to 0,
+    ),
+    listOf(
+        Regex("s") to 6, // end of ms
+    ),
+    listOf(), // empty state, end of parsing
+)
+internal fun checkIncomingPart(part: String): Boolean {
+    var i = 0
+    var state = checkIncomingPartTransitionsMap[0]
+    while (i < part.length) {
+        val char = part[i]
+        val nextState = state.firstNotNullOfOrNull {
+            it.second.takeIf { _ -> it.first.matches("$char") }
+        }
+        if (nextState == null) return false
+        state = checkIncomingPartTransitionsMap[nextState]
+        i++
+    }
+
+    return part.isNotEmpty()
+}
+
 internal fun parseWeekDay(from: String?) = from ?.let { if (it.endsWith("w")) createSimpleScheduler(it.removeSuffix("w"), dayOfWeekRange, intToByteConverter) ?.toTypedArray() else null }
 internal fun parseOffset(from: String?) = from ?.let { if (it.endsWith("o")) it.removeSuffix("o").toIntOrNull() else null }
 internal fun parseYears(from: String?) = from ?.let { createSimpleScheduler(from, yearRange, intToIntConverter) ?.toTypedArray() }

src/commonTest/kotlin/StringParseTest.kt

@@ -29,6 +29,57 @@ class StringParseTest {
         }
     }
     @Test
+    fun testThatFlowIsCorrectlyWorkEverySecondBuiltOnStringWithWrongAmountOfSpaces() {
+        val kronScheduler = buildSchedule("*/1  *  * *  * ")
+
+        val flow = kronScheduler.asFlowWithoutDelays()
+
+        runTest {
+            val mustBeCollected = 10
+            var collected = 0
+            flow.takeWhile {
+                collected < mustBeCollected
+            }.collect {
+                collected++
+            }
+            assertEquals(mustBeCollected, collected)
+        }
+    }
+    @Test
+    fun testThatFlowIsCorrectlyWorkEverySecondBuiltOnStringWithGarbageInTemplate() {
+        val kronScheduler = buildSchedule(" sdf */1  *  * *  oo * ")
+
+        val flow = kronScheduler.asFlowWithoutDelays()
+
+        runTest {
+            val mustBeCollected = 10
+            var collected = 0
+            flow.takeWhile {
+                collected < mustBeCollected
+            }.collect {
+                collected++
+            }
+            assertEquals(mustBeCollected, collected)
+        }
+    }
+    @Test
+    fun testThatFlowIsCorrectlyWorkEverySecondBuiltOnStringWithInsufficientArgsInTemplate() {
+        val kronScheduler = buildSchedule(" sdf */1  ")
+
+        val flow = kronScheduler.asFlowWithoutDelays()
+
+        runTest {
+            val mustBeCollected = 10
+            var collected = 0
+            flow.takeWhile {
+                collected < mustBeCollected
+            }.collect {
+                collected++
+            }
+            assertEquals(mustBeCollected, collected)
+        }
+    }
+    @Test
     fun testThatFlowIsCorrectlyWorkEverySecondWhenMillisIsHalfOfSecondBuiltOnString() {
         val kronScheduler = buildSchedule("*/1 * * * * 500ms")