changed scriptOutput to AnnotatedString to highlight the file path and line coordinates

Author: zahid4kh

src/main/kotlin/MainScreen.kt

@@ -1,3 +1,9 @@
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.ExperimentalTextApi
+import androidx.compose.ui.text.SpanStyle
+import androidx.compose.ui.text.buildAnnotatedString
+import androidx.compose.ui.text.style.TextDecoration
 import kotlinx.coroutines.*
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -49,7 +55,7 @@ class MainScreen(
     fun runScript(){
         scope.launch(Dispatchers.Main) {
             _uiState.update { it.copy(
-                scriptOutput = ""
+                scriptOutput = AnnotatedString("")
             )}
             if(!File(scriptFile).exists()){
                 showUiMessage("Script file not found")
@@ -89,9 +95,10 @@ class MainScreen(
                     }
 
                     _uiState.update { it.copy(
-                        scriptOutput = it.scriptOutput + line + "\n"
+                        scriptOutput = it.scriptOutput + AnnotatedString(line + "\n")
                     )}
                     println("Current line is: $line")
+                    highlightedOutput()
                 }
             } else {
                 delay(100)
@@ -113,9 +120,10 @@ class MainScreen(
                 val line = results.readLine()
                 if (line != null) {
                     _uiState.update { it.copy(
-                        scriptOutput = it.scriptOutput + line + "\n"
+                        scriptOutput = it.scriptOutput + AnnotatedString(line + "\n")
                     )}
                     println("Final line: $line")
+                    highlightedOutput()
                 }
             }
             _uiState.update { it.copy(isProcessRunning = process.isAlive) }
@@ -216,7 +224,7 @@ class MainScreen(
 
     fun copyOutput(){
         val clipboard = Toolkit.getDefaultToolkit().systemClipboard
-        val selection = StringSelection(_uiState.value.scriptOutput)
+        val selection = StringSelection(_uiState.value.scriptOutput.text)
         scope.launch(Dispatchers.IO) {
             clipboard.setContents(
                 selection,
@@ -242,6 +250,30 @@ class MainScreen(
         _uiState.update { it.copy(userInput = "")}
     }
 
+    @OptIn(ExperimentalTextApi::class)
+    fun highlightedOutput() {
+        val errorLocationRegex = Regex("([\\w/.-]+\\.\\w+):(\\d+):(\\d+)")
+
+        val originalAnnotatedString = _uiState.value.scriptOutput
+        val newAnnotatedString = buildAnnotatedString {
+            append(originalAnnotatedString)
+
+            errorLocationRegex.findAll(originalAnnotatedString.text).forEach { matchResult ->
+                val matchRange = matchResult.range
+                println("Found match '${matchResult.value}' at range $matchRange")
+                addStyle(
+                    style = SpanStyle(
+                        color = if(_uiState.value.darkMode) Color(0xFF77bbd1) else Color.Blue,
+                        textDecoration = TextDecoration.Underline
+                    ),
+                    start = matchRange.first,
+                    end = matchRange.last + 1
+                )
+            }
+        }
+        _uiState.update { it.copy(scriptOutput = newAnnotatedString) }
+    }
+
     fun toggleDarkMode() {
         val newDarkMode = !_uiState.value.darkMode
         _uiState.value = _uiState.value.copy(darkMode = newDarkMode)
@@ -255,7 +287,7 @@ class MainScreen(
     data class UiState(
         val darkMode: Boolean = false,
         val scriptInput: String = "",
-        val scriptOutput: String = "",
+        val scriptOutput: AnnotatedString = AnnotatedString(""),
         val uiMessage: String = "",
         val showReadLineField: Boolean = false,
         val userInput: String = "",