feat: add direct file references

Author: xepozz

CHANGELOG.md

@@ -17,3 +17,8 @@
 ## [2025.0.1] - 2025-02-0
 
 - feat: token highlighting
+
+[Unreleased]: https://github.com/xepozz/gitattributes-plugin/compare/v2025.0.5...HEAD
+[2025.0.5]: https://github.com/xepozz/gitattributes-plugin/compare/v2025.0.4...v2025.0.5
+[2025.0.4]: https://github.com/xepozz/gitattributes-plugin/compare/v2025.0.1...v2025.0.4
+[2025.0.1]: https://github.com/xepozz/gitattributes-plugin/commits/v2025.0.1

README.md

@@ -11,8 +11,8 @@
 .gitattributes syntax support:
 
 - syntax highlighting
-- keywords autocompletion (soon)
-- patterns matching (soon)
+- keywords autocompletion
+- patterns matching
 - rules inspections (soon)
 
 ## Donation

src/main/gen/com/github/xepozz/gitattributes/language/psi/AttributesPattern.java

@@ -0,0 +1,30 @@
+package com.github.xepozz.gitattributes.ide.reference
+
+import com.github.xepozz.gitattributes.language.psi.AttributesPattern
+import com.intellij.patterns.PlatformPatterns
+import com.intellij.psi.PsiElement
+import com.intellij.psi.PsiReference
+import com.intellij.psi.PsiReferenceContributor
+import com.intellij.psi.PsiReferenceProvider
+import com.intellij.psi.PsiReferenceRegistrar
+import com.intellij.psi.impl.source.resolve.reference.PsiReferenceContributorEP
+import com.intellij.psi.impl.source.resolve.reference.impl.providers.FileReferenceSet
+import com.intellij.util.ProcessingContext
+
+class AttributesReferenceContributor : PsiReferenceContributor() {
+    override fun registerReferenceProviders(registrar: PsiReferenceRegistrar) {
+        registrar.registerReferenceProvider(
+            PlatformPatterns.psiElement(AttributesPattern::class.java),
+            object : PsiReferenceProvider() {
+                override fun getReferencesByElement(
+                    element: PsiElement,
+                    context: ProcessingContext
+                ): Array<out PsiReference> {
+                    val fileReferenceSet = FileReferenceSet(element)
+
+                    return fileReferenceSet.allReferences
+                }
+            }
+        )
+    }
+}

src/main/gen/com/github/xepozz/gitattributes/language/psi/AttributesVisitor.java

@@ -12,7 +12,7 @@
   elementTypeClass="com.github.xepozz.gitattributes.language.psi.AttributesElementType"
   tokenTypeClass="com.github.xepozz.gitattributes.language.psi.AttributesTokenType"
 
-//  psiImplUtilClass="com.github.xepozz.gitattributes.language.psi.impl.AttributesImplUtil"
+  psiImplUtilClass="com.github.xepozz.gitattributes.language.psi.impl.AttributesPsiImplUtil"
 }
 
 attributesFile ::= item_*
@@ -23,6 +23,11 @@ COMMENT ::= SINGLE_COMMENT
 
 definition ::= pattern attributeList
 pattern ::= TEXT
+{
+    implements=["com.intellij.psi.NavigatablePsiElement"]
+    extends="com.github.xepozz.gitattributes.language.psi.impl.AttributesPatternBaseImpl"
+    methods=[getReferences]
+}
 attributeList ::= attribute+
 attribute ::= DASH? TEXT (EQUALS_SIGN TEXT)?
 {

src/main/gen/com/github/xepozz/gitattributes/language/psi/impl/AttributesPatternImpl.java

@@ -0,0 +1,18 @@
+package com.github.xepozz.gitattributes.language.psi.impl
+
+import com.github.xepozz.gitattributes.language.psi.AttributesAttribute
+import com.github.xepozz.gitattributes.language.psi.AttributesPattern
+import com.intellij.extapi.psi.ASTWrapperPsiElement
+import com.intellij.icons.AllIcons
+import com.intellij.ide.projectView.PresentationData
+import com.intellij.lang.ASTNode
+
+abstract class AttributesPatternBaseImpl : ASTWrapperPsiElement, AttributesPattern {
+    constructor(node: ASTNode) : super(node)
+
+    override fun getText() = this.node.text
+
+    override fun getPresentation() = PresentationData(text, null, getIcon(0), null)
+
+    override fun getIcon(flags: Int) = AllIcons.Nodes.Console
+}

src/main/kotlin/com/github/xepozz/gitattributes/ide/reference/AttributesReferenceContributor.kt

@@ -0,0 +1,12 @@
+package com.github.xepozz.gitattributes.language.psi.impl
+
+import com.github.xepozz.gitattributes.language.psi.AttributesPattern
+import com.intellij.psi.PsiElement
+import com.intellij.psi.PsiReference
+import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry
+
+object AttributesPsiImplUtil {
+    @JvmStatic
+    fun getReferences(element: PsiElement): Array<PsiReference> =
+        ReferenceProvidersRegistry.getReferencesFromProviders(element)
+}