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...se.jdt.ls.core/src/org/eclipse/jdt/ls/core/internal/preferences/FormatterPreferences.java
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| /******************************************************************************* | ||
| * Copyright (c) 2023 Red Hat Inc. and others. | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License 2.0 | ||
| * which accompanies this distribution, and is available at | ||
| * https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Microsoft Corporation - initial API and implementation | ||
| *******************************************************************************/ | ||
| package org.eclipse.jdt.ls.core.internal.preferences; | ||
|
|
||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| import org.eclipse.jdt.core.formatter.DefaultCodeFormatterConstants; | ||
|
|
||
| public class FormatterPreferences { | ||
|
|
||
| // @formatter:off | ||
| // < JDTLS settings, eclipse settings > | ||
| private static Map<String, String> eclipseOptions = Map.ofEntries( | ||
| Map.entry("lineSplit", DefaultCodeFormatterConstants.FORMATTER_LINE_SPLIT), | ||
| Map.entry("comment.line.length", DefaultCodeFormatterConstants.FORMATTER_COMMENT_LINE_LENGTH), | ||
| Map.entry("join.wrapped.lines", DefaultCodeFormatterConstants.FORMATTER_JOIN_WRAPPED_LINES), | ||
| Map.entry("use.on.off.tags", DefaultCodeFormatterConstants.FORMATTER_USE_ON_OFF_TAGS), | ||
| Map.entry("disabling.tag", DefaultCodeFormatterConstants.FORMATTER_DISABLING_TAG), | ||
| Map.entry("enabling.tag", DefaultCodeFormatterConstants.FORMATTER_ENABLING_TAG), | ||
| Map.entry("indent.parameter.description", DefaultCodeFormatterConstants.FORMATTER_COMMENT_INDENT_PARAMETER_DESCRIPTION), | ||
| Map.entry("indent.root.tags", DefaultCodeFormatterConstants.FORMATTER_COMMENT_INDENT_ROOT_TAGS), | ||
| Map.entry("align.tags.descriptions.grouped", DefaultCodeFormatterConstants.FORMATTER_COMMENT_ALIGN_TAGS_DESCREIPTIONS_GROUPED), | ||
| Map.entry("align.tags.names.descriptions", DefaultCodeFormatterConstants.FORMATTER_COMMENT_ALIGN_TAGS_NAMES_DESCRIPTIONS), | ||
| Map.entry("clear.blank.lines.in.javadoc.comment", DefaultCodeFormatterConstants.FORMATTER_COMMENT_CLEAR_BLANK_LINES_IN_JAVADOC_COMMENT), | ||
| Map.entry("blank.lines.between.import.groups", DefaultCodeFormatterConstants.FORMATTER_BLANK_LINES_BETWEEN_IMPORT_GROUPS), | ||
| Map.entry("format.line.comments", DefaultCodeFormatterConstants.FORMATTER_COMMENT_FORMAT_LINE_COMMENT), | ||
| Map.entry("format.block.comments", DefaultCodeFormatterConstants.FORMATTER_COMMENT_FORMAT_BLOCK_COMMENT), | ||
| Map.entry("format.javadoc.comments", DefaultCodeFormatterConstants.FORMATTER_COMMENT_FORMAT_JAVADOC_COMMENT), | ||
| Map.entry("keep.loop.body.block.on.one.line", DefaultCodeFormatterConstants.FORMATTER_KEEP_LOOP_BODY_BLOCK_ON_ONE_LINE), | ||
| Map.entry("keep.anonymous.type.declaration.on.one.line", DefaultCodeFormatterConstants.FORMATTER_KEEP_ANONYMOUS_TYPE_DECLARATION_ON_ONE_LINE), | ||
| Map.entry("keep.type.declaration.on.one.line", DefaultCodeFormatterConstants.FORMATTER_KEEP_TYPE_DECLARATION_ON_ONE_LINE), | ||
| Map.entry("keep.method.body.on.one.line", DefaultCodeFormatterConstants.FORMATTER_KEEP_METHOD_BODY_ON_ONE_LINE), | ||
| Map.entry("insert.space.after.closing.angle.bracket.in.type.arguments", DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_CLOSING_ANGLE_BRACKET_IN_TYPE_ARGUMENTS), | ||
| Map.entry("insert.space.after.opening.brace.in.array.initializer", DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_OPENING_BRACE_IN_ARRAY_INITIALIZER), | ||
| Map.entry("insert.space.before.closing.brace.in.array.initializer", DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_CLOSING_BRACE_IN_ARRAY_INITIALIZER), | ||
| Map.entry("brace.position.for.block", DefaultCodeFormatterConstants.FORMATTER_BRACE_POSITION_FOR_BLOCK), | ||
| Map.entry("alignment.for.enum.constants", DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_ENUM_CONSTANTS), | ||
| Map.entry("alignment.for.parameters.in.method.declaration", DefaultCodeFormatterConstants.FORMATTER_ALIGNMENT_FOR_PARAMETERS_IN_METHOD_DECLARATION) | ||
| ); | ||
|
|
||
| // < JDTLS camelCase value, eclipse underline value> | ||
| private static Map<String, String> valueMap = Map.ofEntries( | ||
| Map.entry("commonLines", "common_lines"), | ||
| Map.entry("separateLinesIfNotEmpty", "separate_lines_if_not_empty"), | ||
| Map.entry("separateLinesIfWrapped", "separate_lines_if_wrapped"), | ||
| Map.entry("separateLines", "separate_lines"), | ||
| Map.entry("preservePositions", "preserve_positions"), | ||
| Map.entry("never", "one_line_never"), | ||
| Map.entry("ifEmpty", "one_line_if_empty"), | ||
| Map.entry("ifSingleItem", "one_line_if_single_item"), | ||
| Map.entry("always", "one_line_always"), | ||
| Map.entry("preserve", "one_line_preserve"), | ||
| Map.entry("doNotInsert", "do not insert"), | ||
| Map.entry("endOfLine", "end_of_line"), | ||
| Map.entry("nextLine", "next_line"), | ||
| Map.entry("nextLineIndented", "next_line_indented"), | ||
| Map.entry("nextLineOnWrap", "next_line_on_wrap") | ||
| ); | ||
| // @formatter:on | ||
|
|
||
| /** | ||
| * Convert known language server formatter options to eclipse formatter | ||
| * settings. | ||
| * | ||
| * @param lsOptions | ||
| * the given language server formatter options | ||
| * @return the converted eclipse formatter options | ||
| */ | ||
| public static Map<String, String> toEclipseOptions(Map<String, String> lsOptions) { | ||
| return lsOptions.entrySet().stream().filter(option -> eclipseOptions.containsKey(option.getKey())).collect(Collectors.toMap(option -> eclipseOptions.get(option.getKey()), option -> { | ||
| String value = option.getValue(); | ||
| if (valueMap.containsKey(value)) { | ||
| return valueMap.get(value); | ||
| } | ||
| return value; | ||
| })); | ||
| } | ||
|
|
||
| /** | ||
| * Convert language server formatter alignment value to eclipse formatter | ||
| * alignment value. | ||
| * | ||
| * @param alignmentValue | ||
| * the given language server formatter alignment value | ||
| * @return the converted eclipse formatter alignment value | ||
| */ | ||
| public static String getEclipseAlignmentValue(Map<String, Object> alignmentValue) { | ||
| Object forceSplit = alignmentValue.getOrDefault("force.split", Boolean.FALSE); | ||
| Object indentationStyle = alignmentValue.getOrDefault("indentation.style", "indentDefault"); | ||
| Object wrappingStyle = alignmentValue.getOrDefault("wrapping.style", "compact"); | ||
| if (forceSplit instanceof Boolean forceSplitBoolean && indentationStyle instanceof String indentationStyleString && wrappingStyle instanceof String wrappingStyleString) { | ||
| int indentationStyleInt = 0; | ||
| switch (indentationStyleString) { | ||
| case "indentDefault": | ||
| indentationStyleInt = DefaultCodeFormatterConstants.INDENT_DEFAULT; | ||
| break; | ||
| case "indentOnColumn": | ||
| indentationStyleInt = DefaultCodeFormatterConstants.INDENT_ON_COLUMN; | ||
| break; | ||
| case "indentByOne": | ||
| indentationStyleInt = DefaultCodeFormatterConstants.INDENT_BY_ONE; | ||
| break; | ||
| default: | ||
| return null; | ||
| } | ||
| int wrappingStyleInt = 0; | ||
| switch (wrappingStyleString) { | ||
| case "noSplit": | ||
| wrappingStyleInt = DefaultCodeFormatterConstants.WRAP_NO_SPLIT; | ||
| break; | ||
| case "compact": | ||
| wrappingStyleInt = DefaultCodeFormatterConstants.WRAP_COMPACT; | ||
| break; | ||
| case "compactFirstBreak": | ||
| wrappingStyleInt = DefaultCodeFormatterConstants.WRAP_COMPACT_FIRST_BREAK; | ||
| break; | ||
| case "onePerLine": | ||
| wrappingStyleInt = DefaultCodeFormatterConstants.WRAP_ONE_PER_LINE; | ||
| break; | ||
| case "nextShifted": | ||
| wrappingStyleInt = DefaultCodeFormatterConstants.WRAP_NEXT_SHIFTED; | ||
| break; | ||
| case "nextPerLine": | ||
| wrappingStyleInt = DefaultCodeFormatterConstants.WRAP_NEXT_PER_LINE; | ||
| break; | ||
| default: | ||
| return null; | ||
| } | ||
| return DefaultCodeFormatterConstants.createAlignmentValue(forceSplitBoolean, wrappingStyleInt, indentationStyleInt); | ||
| } | ||
| return null; | ||
| } | ||
| } |
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