Fix Formatting Rules for CASE ... END Clause

src/main/kotlin/org/domaframework/doma/intellij/formatter/block/SqlBlock.kt

@@ -36,9 +36,9 @@ import org.domaframework.doma.intellij.formatter.block.group.SqlNewGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.column.SqlColumnBlock
 import org.domaframework.doma.intellij.formatter.block.group.column.SqlColumnDefinitionRawGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.column.SqlColumnRawGroupBlock
-import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlInlineGroupBlock
-import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlInlineSecondGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlKeywordGroupBlock
+import org.domaframework.doma.intellij.formatter.block.group.keyword.inline.SqlInlineGroupBlock
+import org.domaframework.doma.intellij.formatter.block.group.keyword.inline.SqlInlineSecondGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.update.SqlUpdateColumnAssignmentSymbolBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.update.SqlUpdateSetGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.with.SqlWithColumnGroupBlock
@@ -257,8 +257,6 @@ open class SqlBlock(
 
             is SqlInlineSecondGroupBlock -> {
                 parentSetProcessor.updateInlineSecondGroupBlockParentAndAddGroup(
-                    lastGroupBlock,
-                    lastIndentLevel,
                     childBlock,
                 )
             }

src/main/kotlin/org/domaframework/doma/intellij/formatter/block/SqlCommaBlock.kt

@@ -20,6 +20,7 @@ import com.intellij.psi.formatter.common.AbstractBlock
 import org.domaframework.doma.intellij.common.util.TypeUtil
 import org.domaframework.doma.intellij.formatter.block.group.column.SqlColumnRawGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlKeywordGroupBlock
+import org.domaframework.doma.intellij.formatter.block.group.keyword.condition.SqlConditionalExpressionGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.create.SqlCreateKeywordGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.insert.SqlInsertColumnGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.insert.SqlInsertValueGroupBlock
@@ -48,6 +49,20 @@ open class SqlCommaBlock(
         context.enableFormat,
         context.formatMode,
     ) {
+    companion object {
+        private val EXPECTED_TYPES =
+            listOf(
+                SqlInsertColumnGroupBlock::class,
+                SqlInsertValueGroupBlock::class,
+                SqlUpdateSetGroupBlock::class,
+                SqlUpdateColumnGroupBlock::class,
+                SqlUpdateValueGroupBlock::class,
+                SqlFunctionParamBlock::class,
+                SqlWithColumnGroupBlock::class,
+                SqlKeywordGroupBlock::class,
+            )
+    }
+
     override val indent =
         ElementIndent(
             IndentType.COMMA,
@@ -125,17 +140,7 @@ open class SqlCommaBlock(
     }
 
     override fun isSaveSpace(lastGroup: SqlBlock?): Boolean {
-        val expectedTypes =
-            listOf(
-                SqlInsertColumnGroupBlock::class,
-                SqlInsertValueGroupBlock::class,
-                SqlUpdateSetGroupBlock::class,
-                SqlUpdateColumnGroupBlock::class,
-                SqlUpdateValueGroupBlock::class,
-                SqlFunctionParamBlock::class,
-                SqlWithColumnGroupBlock::class,
-                SqlKeywordGroupBlock::class,
-            )
-        return TypeUtil.isExpectedClassType(expectedTypes, parentBlock)
+        if (parentBlock is SqlConditionalExpressionGroupBlock) return false
+        return TypeUtil.isExpectedClassType(EXPECTED_TYPES, parentBlock)
     }
 }

src/main/kotlin/org/domaframework/doma/intellij/formatter/block/SqlDataTypeBlock.kt

@@ -40,14 +40,14 @@ open class SqlDataTypeBlock(
             0,
         )
 
-    override fun setParentGroupBlock(lastGroupBlock: SqlBlock?) {
-        super.setParentGroupBlock(lastGroupBlock)
+    override fun setParentGroupBlock(lastGroup: SqlBlock?) {
+        super.setParentGroupBlock(lastGroup)
         indent.indentLevel = IndentType.NONE
         indent.indentLen = 1
         indent.groupIndentLen = indent.indentLen
 
-        if (lastGroupBlock is SqlCreateTableColumnDefinitionRawGroupBlock) {
-            lastGroupBlock.columnDataTypeBlock = this
+        if (lastGroup is SqlCreateTableColumnDefinitionRawGroupBlock) {
+            lastGroup.columnDataTypeBlock = this
         }
     }
 

src/main/kotlin/org/domaframework/doma/intellij/formatter/block/SqlRightPatternBlock.kt

@@ -52,20 +52,48 @@ open class SqlRightPatternBlock(
     ) {
     var preSpaceRight = false
 
+    companion object {
+        private val NOT_INSERT_SPACE_TYPES =
+            listOf(
+                SqlFunctionParamBlock::class,
+                SqlInsertColumnGroupBlock::class,
+                SqlWithQuerySubGroupBlock::class,
+                SqlConflictExpressionSubGroupBlock::class,
+            )
+
+        private val INDENT_EXPECTED_TYPES =
+            listOf(
+                SqlUpdateColumnGroupBlock::class,
+                SqlUpdateValueGroupBlock::class,
+                SqlCreateTableColumnDefinitionGroupBlock::class,
+            )
+
+        private val NEW_LINE_EXPECTED_TYPES =
+            listOf(
+                SqlUpdateColumnGroupBlock::class,
+                SqlUpdateValueGroupBlock::class,
+                SqlCreateTableColumnDefinitionGroupBlock::class,
+                SqlColumnDefinitionRawGroupBlock::class,
+                SqlUpdateSetGroupBlock::class,
+                SqlWithQuerySubGroupBlock::class,
+            )
+
+        private val NEW_LINE_EXCLUDE_TYPES =
+            listOf(
+                SqlDataTypeParamBlock::class,
+                SqlConditionalExpressionGroupBlock::class,
+                SqlConflictExpressionSubGroupBlock::class,
+                SqlFunctionParamBlock::class,
+            )
+    }
+
     /**
      * Configures whether to add a space to the right side when the group ends.
      */
     private fun enableLastRight() {
         parentBlock?.let { parent ->
             // Check if parent is in the notInsertSpaceClassList
-            val notInsertSpaceClassList =
-                listOf(
-                    SqlFunctionParamBlock::class,
-                    SqlInsertColumnGroupBlock::class,
-                    SqlWithQuerySubGroupBlock::class,
-                    SqlConflictExpressionSubGroupBlock::class,
-                )
-            if (isExpectedClassType(notInsertSpaceClassList, parent)) {
+            if (isExpectedClassType(NOT_INSERT_SPACE_TYPES, parent)) {
                 preSpaceRight = false
                 return
             }
@@ -118,13 +146,7 @@ open class SqlRightPatternBlock(
 
         parentBlock?.let { parent ->
             if (parent is SqlWithQuerySubGroupBlock) return 0
-            val exceptionalTypes =
-                listOf(
-                    SqlUpdateColumnGroupBlock::class,
-                    SqlUpdateValueGroupBlock::class,
-                    SqlCreateTableColumnDefinitionGroupBlock::class,
-                )
-            if (isExpectedClassType(exceptionalTypes, parent)) return parent.indent.indentLen
+            if (isExpectedClassType(INDENT_EXPECTED_TYPES, parent)) return parent.indent.indentLen
             return parent.indent.indentLen
         } ?: return 0
     }
@@ -135,29 +157,11 @@ open class SqlRightPatternBlock(
         if (preSpaceRight) return false
 
         parentBlock?.let { parent ->
-            val exceptionalTypes =
-                listOf(
-                    SqlCreateTableColumnDefinitionGroupBlock::class,
-                    SqlColumnDefinitionRawGroupBlock::class,
-                    SqlUpdateSetGroupBlock::class,
-                    SqlUpdateColumnGroupBlock::class,
-                    SqlUpdateValueGroupBlock::class,
-                    SqlWithQuerySubGroupBlock::class,
-                )
-
-            val excludeTypes =
-                listOf(
-                    SqlDataTypeParamBlock::class,
-                    SqlConditionalExpressionGroupBlock::class,
-                    SqlConflictExpressionSubGroupBlock::class,
-                    SqlFunctionParamBlock::class,
-                )
-
             if ((
-                    isExpectedClassType(exceptionalTypes, parent) ||
-                        isExpectedClassType(exceptionalTypes, parent.parentBlock)
+                    isExpectedClassType(NEW_LINE_EXPECTED_TYPES, parent) ||
+                        isExpectedClassType(NEW_LINE_EXPECTED_TYPES, parent.parentBlock)
                 ) &&
-                !isExpectedClassType(excludeTypes, parent)
+                !isExpectedClassType(NEW_LINE_EXCLUDE_TYPES, parent)
             ) {
                 return true
             }

src/main/kotlin/org/domaframework/doma/intellij/formatter/block/group/column/SqlRawGroupBlock.kt

@@ -15,8 +15,6 @@
  */
 package org.domaframework.doma.intellij.formatter.block.group.column
 
-import com.intellij.formatting.Block
-import com.intellij.formatting.Spacing
 import com.intellij.lang.ASTNode
 import com.intellij.psi.formatter.common.AbstractBlock
 import org.domaframework.doma.intellij.formatter.block.SqlBlock
@@ -44,11 +42,6 @@ abstract class SqlRawGroupBlock(
             0,
         )
 
-    override fun getSpacing(
-        p0: Block?,
-        p1: Block,
-    ): Spacing? = null
-
     override fun buildChildren(): MutableList<AbstractBlock> = mutableListOf()
 
     override fun isLeaf(): Boolean = true

src/main/kotlin/org/domaframework/doma/intellij/formatter/block/group/keyword/SqlInlineGroupBlock.kt → src/main/kotlin/org/domaframework/doma/intellij/formatter/block/group/keyword/inline/SqlInlineGroupBlock.kt

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.domaframework.doma.intellij.formatter.block.group.keyword
+package org.domaframework.doma.intellij.formatter.block.group.keyword.inline
 
 import com.intellij.lang.ASTNode
 import com.intellij.psi.formatter.common.AbstractBlock
@@ -29,6 +29,8 @@ open class SqlInlineGroupBlock(
         node,
         context,
     ) {
+    val inlineConditions: MutableList<SqlInlineSecondGroupBlock> = mutableListOf()
+
     override val indent =
         ElementIndent(
             IndentType.INLINE,
@@ -40,15 +42,12 @@ open class SqlInlineGroupBlock(
         super.setParentGroupBlock(lastGroup)
         indent.indentLevel = IndentType.INLINE
         indent.indentLen = createBlockIndentLen()
-        indent.groupIndentLen = indent.indentLen.plus(getNodeText().length)
+        indent.groupIndentLen = createGroupIndentLen()
     }
 
     override fun buildChildren(): MutableList<AbstractBlock> = mutableListOf()
 
-    override fun createBlockIndentLen(): Int =
-        parentBlock?.let {
-            it.indent.groupIndentLen
-                .plus(it.getNodeText().length)
-                .plus(1)
-        } ?: 1
+    override fun createBlockIndentLen(): Int = parentBlock?.indent?.groupIndentLen?.plus(1) ?: 1
+
+    override fun createGroupIndentLen(): Int = indent.indentLen.plus(getNodeText().length)
 }

src/main/kotlin/org/domaframework/doma/intellij/formatter/block/group/keyword/SqlInlineSecondGroupBlock.kt → src/main/kotlin/org/domaframework/doma/intellij/formatter/block/group/keyword/inline/SqlInlineSecondGroupBlock.kt

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.domaframework.doma.intellij.formatter.block.group.keyword
+package org.domaframework.doma.intellij.formatter.block.group.keyword.inline
 
 import com.intellij.lang.ASTNode
 import com.intellij.psi.formatter.common.AbstractBlock
@@ -29,7 +29,7 @@ open class SqlInlineSecondGroupBlock(
         node,
         context,
     ) {
-    val isEndCase = getNodeText().lowercase() == "end"
+    val isEndCase = getNodeText() == "end"
 
     override val indent =
         ElementIndent(
@@ -42,19 +42,28 @@ open class SqlInlineSecondGroupBlock(
         super.setParentGroupBlock(lastGroup)
         indent.indentLevel = IndentType.INLINE_SECOND
         indent.indentLen = createBlockIndentLen()
-        indent.groupIndentLen = indent.indentLen
+        indent.groupIndentLen = createGroupIndentLen()
+    }
+
+    override fun setParentPropertyBlock(lastGroup: SqlBlock?) {
+        (lastGroup as? SqlInlineGroupBlock)?.inlineConditions?.add(this)
     }
 
     override fun buildChildren(): MutableList<AbstractBlock> = mutableListOf()
 
     override fun createBlockIndentLen(): Int =
-        parentBlock?.let {
+        parentBlock?.let { parent ->
             // TODO:Customize indentation within an inline group
             if (isEndCase) {
-                it.indent.indentLen
+                val diffTextLength = parent.getNodeText().length.minus(getNodeText().length)
+                parent.indent.indentLen.plus(diffTextLength)
             } else {
-                it.indent.groupIndentLen
-                    .plus(it.getNodeText().length)
+                parent.indent.groupIndentLen.plus(1)
             }
         } ?: 1
+
+    override fun createGroupIndentLen(): Int = indent.indentLen.plus(getNodeText().length)
+
+    override fun isSaveSpace(lastGroup: SqlBlock?): Boolean =
+        (parentBlock as? SqlInlineGroupBlock)?.inlineConditions?.dropLast(1)?.isEmpty() != true
 }

src/main/kotlin/org/domaframework/doma/intellij/formatter/processor/SqlSetParentGroupProcessor.kt

@@ -24,11 +24,11 @@ import org.domaframework.doma.intellij.formatter.block.conflict.SqlDoGroupBlock
 import org.domaframework.doma.intellij.formatter.block.expr.SqlElConditionLoopCommentBlock
 import org.domaframework.doma.intellij.formatter.block.group.column.SqlColumnDefinitionRawGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.column.SqlColumnRawGroupBlock
-import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlInlineGroupBlock
-import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlInlineSecondGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlKeywordGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlLateralGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.create.SqlCreateViewGroupBlock
+import org.domaframework.doma.intellij.formatter.block.group.keyword.inline.SqlInlineGroupBlock
+import org.domaframework.doma.intellij.formatter.block.group.keyword.inline.SqlInlineSecondGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.second.SqlReturningGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.top.SqlTopQueryGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.update.SqlUpdateQueryGroupBlock
@@ -251,11 +251,7 @@ class SqlSetParentGroupProcessor(
         }
     }
 
-    fun updateInlineSecondGroupBlockParentAndAddGroup(
-        lastGroupBlock: SqlBlock,
-        lastIndentLevel: IndentType,
-        childBlock: SqlInlineSecondGroupBlock,
-    ) {
+    fun updateInlineSecondGroupBlockParentAndAddGroup(childBlock: SqlInlineSecondGroupBlock) {
         val context =
             SetParentContext(
                 childBlock,
@@ -276,13 +272,12 @@ class SqlSetParentGroupProcessor(
             }
             return
         }
-        if (lastIndentLevel == IndentType.INLINE_SECOND) {
-            blockBuilder.removeLastGroupTopNodeIndexHistory()
-            updateGroupBlockLastGroupParentAddGroup(
-                lastGroupBlock,
-                childBlock,
-            )
-            return
+        val inlineSecondIndex =
+            blockBuilder.getGroupTopNodeIndex { block ->
+                block.indent.indentLevel == IndentType.INLINE_SECOND
+            }
+        if (inlineSecondIndex >= 0) {
+            blockBuilder.clearSubListGroupTopNodeIndexHistory(inlineSecondIndex)
         }
         updateGroupBlockParentAndAddGroup(
             childBlock,

src/main/kotlin/org/domaframework/doma/intellij/formatter/util/SqlBlockUtil.kt

@@ -36,8 +36,6 @@ import org.domaframework.doma.intellij.formatter.block.expr.SqlElConditionLoopCo
 import org.domaframework.doma.intellij.formatter.block.group.column.SqlColumnBlock
 import org.domaframework.doma.intellij.formatter.block.group.column.SqlColumnDefinitionRawGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.column.SqlColumnRawGroupBlock
-import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlInlineGroupBlock
-import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlInlineSecondGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlJoinGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlKeywordGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.SqlLateralGroupBlock
@@ -47,6 +45,8 @@ import org.domaframework.doma.intellij.formatter.block.group.keyword.create.SqlC
 import org.domaframework.doma.intellij.formatter.block.group.keyword.create.SqlCreateTableColumnDefinitionGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.create.SqlCreateTableColumnDefinitionRawGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.create.SqlCreateViewGroupBlock
+import org.domaframework.doma.intellij.formatter.block.group.keyword.inline.SqlInlineGroupBlock
+import org.domaframework.doma.intellij.formatter.block.group.keyword.inline.SqlInlineSecondGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.insert.SqlInsertQueryGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.second.SqlFromGroupBlock
 import org.domaframework.doma.intellij.formatter.block.group.keyword.second.SqlSecondKeywordBlock
@@ -244,8 +244,11 @@ class SqlBlockUtil(
                             )
                         } else {
                             WithClauseUtil
-                                .getWithClauseKeywordGroup(lastGroupBlock, child, sqlBlockFormattingCtx)
-                                ?.let { return it }
+                                .getWithClauseKeywordGroup(
+                                    lastGroupBlock,
+                                    child,
+                                    sqlBlockFormattingCtx,
+                                )?.let { return it }
                             return SqlSecondKeywordBlock(
                                 child,
                                 sqlBlockFormattingCtx,