WEB-53719 WEB-54398 Use multi-line LiteralTextEscaper for XML text injections

GitOrigin-RevId: 17a5b776c71d1fbf7c79e41a5d6f910c641ea172

platform/core-api/src/com/intellij/psi/LiteralTextEscaper.java

@@ -73,6 +73,11 @@ public abstract class LiteralTextEscaper<T extends PsiLanguageInjectionHost> {
 
   @NotNull
   public static <T extends PsiLanguageInjectionHost> LiteralTextEscaper<T> createSimple(@NotNull T element) {
+    return createSimple(element, true);
+  }
+
+  @NotNull
+  public static <T extends PsiLanguageInjectionHost> LiteralTextEscaper<T> createSimple(@NotNull T element, boolean isOneLine) {
     return new LiteralTextEscaper<T>(element) {
       @Override
       public boolean decode(@NotNull TextRange rangeInsideHost, @NotNull StringBuilder outChars) {
@@ -87,7 +92,7 @@ public abstract class LiteralTextEscaper<T extends PsiLanguageInjectionHost> {
 
       @Override
       public boolean isOneLine() {
-        return true;
+        return isOneLine;
       }
     };
   }

plugins/toml/core/src/main/kotlin/org/toml/lang/psi/SimpleMultiLineTextEscaper.kt

@@ -1,24 +0,0 @@
-/*
- * Use of this source code is governed by the MIT license that can be
- * found in the LICENSE file.
- */
-
-package org.toml.lang.psi
-
-import com.intellij.openapi.util.TextRange
-import com.intellij.psi.LiteralTextEscaper
-import com.intellij.psi.PsiLanguageInjectionHost
-
-/** Same as [com.intellij.psi.LiteralTextEscaper.createSimple], but multi line */
-class SimpleMultiLineTextEscaper<T: PsiLanguageInjectionHost>(host: T) : LiteralTextEscaper<T>(host) {
-    override fun decode(rangeInsideHost: TextRange, outChars: java.lang.StringBuilder): Boolean {
-        outChars.append(rangeInsideHost.substring(myHost.text))
-        return true
-    }
-
-    override fun getOffsetInHost(offsetInDecoded: Int, rangeInsideHost: TextRange): Int {
-        return rangeInsideHost.startOffset + offsetInDecoded
-    }
-
-    override fun isOneLine(): Boolean = false
-}

plugins/toml/core/src/main/kotlin/org/toml/lang/psi/impl/Psi.kt

@@ -7,7 +7,6 @@ package org.toml.lang.psi.impl
 
 import com.intellij.ide.projectView.PresentationData
 import com.intellij.lang.ASTFactory
-import org.toml.lang.psi.SimpleMultiLineTextEscaper
 import com.intellij.navigation.ItemPresentation
 import com.intellij.psi.*
 import com.intellij.psi.impl.source.resolve.reference.ReferenceProvidersRegistry
@@ -91,7 +90,8 @@ class TomlLiteralImpl(type: IElementType) : CompositePsiElement(type), TomlLiter
 
     override fun createLiteralTextEscaper(): LiteralTextEscaper<out PsiLanguageInjectionHost> {
         val tokenType = node.findChildByType(TOML_STRING_LITERALS)?.elementType ?: error("$text is not string literal")
-        return if (tokenType in TOML_BASIC_STRINGS) TomlLiteralTextEscaper(this) else SimpleMultiLineTextEscaper(this)
+        return if (tokenType in TOML_BASIC_STRINGS) TomlLiteralTextEscaper(this)
+        else LiteralTextEscaper.createSimple(this, false)
     }
 
     override fun accept(visitor: PsiElementVisitor) {

xml/xml-psi-impl/src/com/intellij/psi/impl/source/xml/XmlTextImpl.java

@@ -457,7 +457,7 @@ public class XmlTextImpl extends XmlElementImpl implements XmlText, PsiLanguageI
   @NotNull
   public LiteralTextEscaper<XmlTextImpl> createLiteralTextEscaper() {
     return getParentTag() instanceof HtmlTag ?
-           LiteralTextEscaper.createSimple(this) :
+           LiteralTextEscaper.createSimple(this, false) :
            new XmlTextLiteralEscaper(this);
   }
 }