[Parameter Name Hints] allow to use *smth* (contains "smth") syntax for blacklist setup

platform/platform-impl/src/com/intellij/codeInsight/hints/filtering/StringMatcherBuilder.kt

@@ -27,29 +27,36 @@ object StringMatcherBuilder {
 
   fun create(matcher: String): StringMatcher? {
     if (matcher.isEmpty()) return StringMatcherImpl { true }
-
-    val asterisksCount = matcher.count { it == '*' }
-    if (asterisksCount > 1) return null
-    if (asterisksCount == 1) return createAsterisksMatcher(matcher)
-
-    return StringMatcherImpl { it == matcher }
+    return createAsterisksMatcher(matcher)
   }
 
   private fun createAsterisksMatcher(matcher: String): StringMatcher? {
+    val asterisksCount = matcher.count { it == '*' }
+    if (asterisksCount > 2) return null
+    
+    if (asterisksCount == 0) {
+      return StringMatcherImpl { it == matcher }
+    }
+    
     if (matcher == "*") {
       return StringMatcherImpl { true }
     }
 
-    if (matcher.startsWith('*')) {
+    if (matcher.startsWith('*') && asterisksCount == 1) {
       val target = matcher.substring(1)
       return StringMatcherImpl { it.endsWith(target) }
     }
 
-    if (matcher.endsWith('*')) {
+    if (matcher.endsWith('*') && asterisksCount == 1) {
       val target = matcher.substring(0, matcher.length - 1)
       return StringMatcherImpl { it.startsWith(target) }
     }
 
+    if (matcher.startsWith('*') && matcher.endsWith('*')) {
+      val target = matcher.substring(1, matcher.length - 1)
+      return StringMatcherImpl { it.contains(target) }
+    }
+
     return null
   }
 

platform/platform-tests/testSrc/com/intellij/codeInsight/hints/filtering/StringMatchingTest.kt

@@ -29,24 +29,31 @@ class StringMatchingTest : TestCase() {
   }
   
   fun `test simple`() {
-    val matcher = com.intellij.codeInsight.hints.filtering.StringMatcherBuilder.create("aaa")!!
+    val matcher = StringMatcherBuilder.create("aaa")!!
     
     matcher.assertMatches("aaa")
     matcher.assertNotMatches("aaaa", "aab", "", "*", "a", "baaa")
   }
   
   fun `test asterisks before`() {
-    val matcher = com.intellij.codeInsight.hints.filtering.StringMatcherBuilder.create("aaa*")!!
+    val matcher = StringMatcherBuilder.create("aaa*")!!
     
     matcher.assertMatches("aaa", "aaaa", "aaaaaa", "aaaqwe")
     matcher.assertNotMatches("baaa", "nnaaa", "qweaaa")
   }
 
   fun `test asterisks after`() {
-    val matcher = com.intellij.codeInsight.hints.filtering.StringMatcherBuilder.create("*aaa")!!
+    val matcher = StringMatcherBuilder.create("*aaa")!!
     
     matcher.assertMatches("aaa", "aaaa", "baaa", "aawweraaa")
     matcher.assertNotMatches("aaab", "aaabaa")
   }
   
+  fun `test multiple asterisks`() {
+    val matcher = StringMatcherBuilder.create("*aax*")!!
+    matcher.assertMatches("qaaxq", "qqaaxqqq")
+    matcher.assertNotMatches("ax", "axx")
+  }
+  
+  
 }