VIM-1341 implement gx command

annotation-processors/build.gradle.kts

@@ -23,7 +23,7 @@ repositories {
 dependencies {
   compileOnly("com.google.devtools.ksp:symbol-processing-api:1.9.21-1.0.15")
   implementation("org.jetbrains.kotlinx:kotlinx-serialization-json-jvm:$kotlinxSerializationVersion") {
-    // kotlin stdlib is provided by IJ, so there is no need to include it into the distribution
+    // kotlin stdlib is provided by IJ, so there is no need to include it into the
     exclude("org.jetbrains.kotlin", "kotlin-stdlib")
     exclude("org.jetbrains.kotlin", "kotlin-stdlib-common")
   }

src/main/java/com/maddyhome/idea/vim/package-info.java

@@ -428,6 +428,7 @@
  * |gu|                   {@link com.maddyhome.idea.vim.action.change.change.ChangeCaseLowerMotionAction}
  * |gv|                   {@link com.maddyhome.idea.vim.action.motion.visual.VisualSelectPreviousAction}
  * |gw|                   TO BE IMPLEMENTED
+ * |gx|                   {@link com.maddyhome.idea.vim.action.motion.search.GotoUrlAction}
  * |g@|                   {@link com.maddyhome.idea.vim.action.change.OperatorAction}
  * |g~|                   {@link com.maddyhome.idea.vim.action.change.change.ChangeCaseToggleMotionAction}
  * |g<Down>|              TO BE IMPLEMENTED

src/main/resources/META-INF/includes/VimActions.xml

@@ -315,6 +315,7 @@
     <vimAction implementation="com.maddyhome.idea.vim.action.motion.search.SearchWordForwardAction" mappingModes="NXO" keys="g*"/>
     <vimAction implementation="com.maddyhome.idea.vim.action.motion.search.SearchWordBackwardAction" mappingModes="NXO" keys="g#"/>
     <vimAction implementation="com.maddyhome.idea.vim.action.motion.search.GotoDeclarationAction" mappingModes="NX" keys="gD,gd,«C-]»"/>
+    <vimAction implementation="com.maddyhome.idea.vim.action.motion.search.GotoUrlAction" mappingModes="N" keys="gx"/>
 
     <!-- Macro -->
     <vimAction implementation="com.maddyhome.idea.vim.action.macro.ToggleRecordingAction" mappingModes="NX" keys="q"/>

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/action/motion/search/GotoUrlAction.kt

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2003-2023 The IdeaVim authors
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE.txt file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package com.maddyhome.idea.vim.action.motion.search
+
+import com.intellij.vim.annotations.CommandOrMotion
+import com.intellij.vim.annotations.Mode
+import com.maddyhome.idea.vim.api.ExecutionContext
+import com.maddyhome.idea.vim.api.VimEditor
+import com.maddyhome.idea.vim.api.injector
+import com.maddyhome.idea.vim.command.Command
+import com.maddyhome.idea.vim.command.CommandFlags
+import com.maddyhome.idea.vim.command.OperatorArguments
+import com.maddyhome.idea.vim.diagnostic.vimLogger
+import com.maddyhome.idea.vim.handler.VimActionHandler
+import com.maddyhome.idea.vim.helper.enumSetOf
+import com.maddyhome.idea.vim.helper.vimStateMachine
+import com.maddyhome.idea.vim.macro.VimMacroBase.Companion.logger
+import java.util.*
+import java.util.concurrent.Future
+import java.util.regex.Pattern
+
+@CommandOrMotion(keys = ["gx"], modes = [Mode.NORMAL, Mode.VISUAL])
+public class GotoUrlAction : VimActionHandler.SingleExecution() {
+  override val type: Command.Type = Command.Type.OTHER_READONLY
+  private val URL_REGEX = "^((https?|ftp)://|(www|ftp)\\.)?[a-z0-9-]+(\\.[a-z0-9-]+)+([/?].*)?$"
+  private val pattern = Pattern.compile(URL_REGEX);
+
+  override fun execute(
+    editor: VimEditor,
+    context: ExecutionContext,
+    cmd: Command,
+    operatorArguments: OperatorArguments,
+  ): Boolean {
+    val wordUnderCursor = exactWordUnderCursor(editor);
+    logger.info("word: $wordUnderCursor")
+    if(!isValidUrl(wordUnderCursor)){
+      logger.info("word $wordUnderCursor in not url")
+      return false;
+    }
+    injector.jumpService.saveJumpLocation(editor)
+    injector.actionExecutor.executeAction("GotoDeclaration", context)
+    return true
+  }
+
+  private fun exactWordUnderCursor(editor: VimEditor): String {
+    var col = editor.currentCaret().vimLastColumn;
+    var line = editor.getLineText(editor.currentCaret().vimLine - 1);
+    if(line.isBlank() || line.get(col).isWhitespace()){
+      return "";
+    }
+    logger.info("col: $col line: $line")
+    var start = col;
+    var end = col;
+    while( start > 0 && !line.get(start).isWhitespace()){
+      start--;
+    }
+    while(end < line.length && !line.get(end).isWhitespace()){
+      end++;
+    }
+    logger.info("start: $start end $end")
+    return line.substring(start+1, end);
+  }
+
+  private fun isValidUrl(url: String): Boolean {
+    var matcher = pattern.matcher(url)
+    return matcher.matches()
+  }
+}