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| 1 | +package org.domaframework.doma.intellij.formatter.processor |
| 2 | + |
| 3 | +import com.intellij.lang.injection.InjectedLanguageManager |
| 4 | +import com.intellij.openapi.command.WriteCommandAction |
| 5 | +import com.intellij.openapi.fileTypes.FileTypeManager |
| 6 | +import com.intellij.openapi.project.Project |
| 7 | +import com.intellij.psi.PsiDocumentManager |
| 8 | +import com.intellij.psi.PsiFile |
| 9 | +import com.intellij.psi.PsiFileFactory |
| 10 | +import com.intellij.psi.PsiLiteralExpression |
| 11 | +import com.intellij.psi.codeStyle.CodeStyleManager |
| 12 | +import org.domaframework.doma.intellij.common.util.StringUtil |
| 13 | +import org.domaframework.doma.intellij.formatter.visitor.FormattingTask |
| 14 | + |
| 15 | +class InjectionSqlFormatter( |
| 16 | + private val project: Project, |
| 17 | +) { |
| 18 | + companion object { |
| 19 | + private const val TEMP_FILE_PREFIX = "temp_format" |
| 20 | + private const val SQL_FILE_EXTENSION = ".sql" |
| 21 | + private const val TRIPLE_QUOTE = "\"\"\"" |
| 22 | + private const val WRITE_COMMAND_NAME = "Format Injected SQL" |
| 23 | + private const val BASE_INDENT = "\t\t\t" |
| 24 | + private val COMMENT_START_REGEX = Regex("^[ \t]*/[*][ \t]*\\*") |
| 25 | + } |
| 26 | + |
| 27 | + private val injectionManager by lazy { InjectedLanguageManager.getInstance(project) } |
| 28 | + private val documentManager by lazy { PsiDocumentManager.getInstance(project) } |
| 29 | + private val codeStyleManager by lazy { CodeStyleManager.getInstance(project) } |
| 30 | + private val fileTypeManager by lazy { FileTypeManager.getInstance() } |
| 31 | + private val elementFactory by lazy { |
| 32 | + com.intellij.psi.JavaPsiFacade |
| 33 | + .getElementFactory(project) |
| 34 | + } |
| 35 | + |
| 36 | + fun processFormattingTask( |
| 37 | + task: FormattingTask, |
| 38 | + removeSpace: (String) -> String, |
| 39 | + ) { |
| 40 | + // Apply PreProcessor to single-line injection SQL |
| 41 | + val injectionFile = |
| 42 | + injectionManager |
| 43 | + .getInjectedPsiFiles(task.expression) |
| 44 | + ?.firstOrNull() |
| 45 | + ?.first as? PsiFile ?: return |
| 46 | + |
| 47 | + // format(task.isOriginalTextBlock, task.formattedText, injectionFile, removeSpace) |
| 48 | + val formattedText = |
| 49 | + if (!task.isOriginalTextBlock) { |
| 50 | + val result = |
| 51 | + SqlFormatPreProcessor().updateDocument(injectionFile, injectionFile.textRange) |
| 52 | + result.document?.text ?: return |
| 53 | + } else { |
| 54 | + task.formattedText |
| 55 | + } |
| 56 | + replaceHostStringLiteral(FormattingTask(task.expression, formattedText, task.isOriginalTextBlock), removeSpace) |
| 57 | + } |
| 58 | + |
| 59 | + fun format( |
| 60 | + sqlFile: PsiFile, |
| 61 | + removeSpace: (String) -> String, |
| 62 | + ) { |
| 63 | + val result = SqlFormatPreProcessor().updateDocument(sqlFile, sqlFile.textRange) |
| 64 | + val formattedText = result.document?.text ?: return |
| 65 | + |
| 66 | + val tmpFormatted = formatAsTemporarySqlFile(formattedText) |
| 67 | + val document = documentManager.getDocument(sqlFile) ?: return |
| 68 | + document.replaceString( |
| 69 | + sqlFile.textRange.startOffset, |
| 70 | + sqlFile.textRange.endOffset, |
| 71 | + tmpFormatted, |
| 72 | + ) |
| 73 | + documentManager.commitDocument(document) |
| 74 | + removeSpace(document.text) |
| 75 | + } |
| 76 | + |
| 77 | + private fun removeIndentLines(sqlText: String): String = |
| 78 | + sqlText.lines().joinToString(StringUtil.LINE_SEPARATE) { line -> |
| 79 | + val processedLine = |
| 80 | + if (COMMENT_START_REGEX.containsMatchIn(line)) { |
| 81 | + // Remove spaces between /* and comment content, as IntelliJ Java formatter may insert them |
| 82 | + line.replace(COMMENT_START_REGEX, "/**") |
| 83 | + } else { |
| 84 | + line |
| 85 | + } |
| 86 | + processedLine.dropWhile { it.isWhitespace() } |
| 87 | + } |
| 88 | + |
| 89 | + /** |
| 90 | + * Formats SQL text by creating a temporary SQL file and applying code style. |
| 91 | + * Returns original text if formatting fails. |
| 92 | + */ |
| 93 | + private fun formatAsTemporarySqlFile(sqlText: String): String = |
| 94 | + runCatching { |
| 95 | + val tempFileName = "${TEMP_FILE_PREFIX}${SQL_FILE_EXTENSION}" |
| 96 | + val fileType = fileTypeManager.getFileTypeByExtension("sql") |
| 97 | + val tempSqlFile = |
| 98 | + PsiFileFactory |
| 99 | + .getInstance(project) |
| 100 | + .createFileFromText(tempFileName, fileType, sqlText) |
| 101 | + |
| 102 | + codeStyleManager.reformatText(tempSqlFile, 0, tempSqlFile.textLength) |
| 103 | + tempSqlFile.text |
| 104 | + }.getOrDefault(sqlText) |
| 105 | + |
| 106 | + /** |
| 107 | + * Replaces the host Java string literal with formatted SQL text. |
| 108 | + */ |
| 109 | + private fun replaceHostStringLiteral( |
| 110 | + task: FormattingTask, |
| 111 | + sqlPostProcessorProcess: (String) -> String, |
| 112 | + ) { |
| 113 | + runCatching { |
| 114 | + val formattedLiteral = createFormattedLiteral(task, sqlPostProcessorProcess) |
| 115 | + replaceInDocument(task.expression, formattedLiteral) |
| 116 | + } |
| 117 | + } |
| 118 | + |
| 119 | + private fun createFormattedLiteral( |
| 120 | + task: FormattingTask, |
| 121 | + sqlPostProcessorProcess: (String) -> String, |
| 122 | + ): String { |
| 123 | + // Format SQL to match regular SQL file formatting |
| 124 | + val sqlWithoutIndent = removeIndentLines(task.formattedText) |
| 125 | + val formattedSql = formatAsTemporarySqlFile(sqlWithoutIndent) |
| 126 | + val processedSql = sqlPostProcessorProcess(formattedSql) |
| 127 | + |
| 128 | + // Create properly aligned literal text |
| 129 | + val literalText = createFormattedLiteralText(processedSql) |
| 130 | + val normalizedText = normalizeIndentation(literalText) |
| 131 | + |
| 132 | + val newLiteral = elementFactory.createExpressionFromText(normalizedText, task.expression) |
| 133 | + return newLiteral.text |
| 134 | + } |
| 135 | + |
| 136 | + /** |
| 137 | + * Creates a Java text block (triple-quoted string) from formatted SQL. |
| 138 | + */ |
| 139 | + private fun createFormattedLiteralText(formattedSqlText: String): String = |
| 140 | + buildString { |
| 141 | + append(TRIPLE_QUOTE) |
| 142 | + append(StringUtil.LINE_SEPARATE) |
| 143 | + append(formattedSqlText) |
| 144 | + append(TRIPLE_QUOTE) |
| 145 | + } |
| 146 | + |
| 147 | + /** |
| 148 | + * Normalizes indentation by removing base indent and reapplying it consistently. |
| 149 | + */ |
| 150 | + private fun normalizeIndentation(sqlText: String): String { |
| 151 | + val lines = sqlText.lines() |
| 152 | + if (lines.isEmpty()) return sqlText |
| 153 | + |
| 154 | + val (literalSeparator, contentLines) = lines.first() to lines.drop(1) |
| 155 | + val normalizedLines = |
| 156 | + contentLines.map { line -> |
| 157 | + when { |
| 158 | + line.isBlank() -> line |
| 159 | + else -> |
| 160 | + BASE_INDENT + |
| 161 | + line.removePrefix( |
| 162 | + BASE_INDENT, |
| 163 | + ) |
| 164 | + } |
| 165 | + } |
| 166 | + |
| 167 | + return buildString { |
| 168 | + append(literalSeparator) |
| 169 | + if (normalizedLines.isNotEmpty()) { |
| 170 | + append(StringUtil.LINE_SEPARATE) |
| 171 | + append(normalizedLines.joinToString(StringUtil.LINE_SEPARATE)) |
| 172 | + } |
| 173 | + } |
| 174 | + } |
| 175 | + |
| 176 | + private fun replaceInDocument( |
| 177 | + expression: PsiLiteralExpression, |
| 178 | + newText: String, |
| 179 | + ) { |
| 180 | + val document = documentManager.getDocument(expression.containingFile) ?: return |
| 181 | + val range = expression.textRange |
| 182 | + |
| 183 | + document.replaceString(range.startOffset, range.endOffset, newText) |
| 184 | + documentManager.commitDocument(document) |
| 185 | + } |
| 186 | + |
| 187 | + fun processAllTextBlock(formattingTasks: MutableList<FormattingTask>) { |
| 188 | + if (formattingTasks.isEmpty()) return |
| 189 | + |
| 190 | + WriteCommandAction.runWriteCommandAction( |
| 191 | + project, |
| 192 | + WRITE_COMMAND_NAME, |
| 193 | + null, |
| 194 | + { |
| 195 | + // Convert PsiLiteralExpression to text blocks first |
| 196 | + formattingTasks |
| 197 | + .sortedByDescending { it.expression.textRange.startOffset } |
| 198 | + .forEach { task -> |
| 199 | + convertExpressionToTextBlock(task.expression) |
| 200 | + } |
| 201 | + }, |
| 202 | + ) |
| 203 | + } |
| 204 | + |
| 205 | + fun convertExpressionToTextBlock(expression: PsiLiteralExpression) { |
| 206 | + if (!expression.isValid || expression.isTextBlock) return |
| 207 | + |
| 208 | + val oldText = expression.value?.toString() ?: return |
| 209 | + val newText = convertToTextBlock(oldText) |
| 210 | + val document = documentManager.getDocument(expression.containingFile) ?: return |
| 211 | + |
| 212 | + val range = expression.textRange |
| 213 | + document.replaceString(range.startOffset, range.endOffset, newText) |
| 214 | + documentManager.commitDocument(document) |
| 215 | + } |
| 216 | + |
| 217 | + private fun convertToTextBlock(content: String): String = "\"\"\"\n${content.replace("\"\"\"", "\\\"\\\"\\\"")}${TRIPLE_QUOTE}" |
| 218 | +} |
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