/*
* Copyright 2012-2014 Sergey Ignatov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.intellij.erlang.formatter.settings;
import com.intellij.application.options.IndentOptionsEditor;
import com.intellij.application.options.SmartIndentOptionsEditor;
import com.intellij.lang.Language;
import com.intellij.psi.codeStyle.CodeStyleSettingsCustomizable;
import com.intellij.psi.codeStyle.CommonCodeStyleSettings;
import com.intellij.psi.codeStyle.LanguageCodeStyleSettingsProvider;
import org.intellij.erlang.ErlangLanguage;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class ErlangLanguageCodeStyleSettingsProvider extends LanguageCodeStyleSettingsProvider {
private static final String AROUND_OPERATORS = "Around Operators";
private static final String ALIGNMENT = "Alignment";
@NotNull
@Override
public Language getLanguage() {
return ErlangLanguage.INSTANCE;
}
@Override
public String getCodeSample(@NotNull SettingsType settingsType) {
if (settingsType == SettingsType.SPACING_SETTINGS || settingsType == SettingsType.WRAPPING_AND_BRACES_SETTINGS) {
return DEFAULT_CODE_SAMPLE;
}
if (settingsType == SettingsType.INDENT_SETTINGS) {
return INDENT_CODE_SAMPLE;
}
return BLANK_LINES_CODE_SAMPLE;
}
@Override
public IndentOptionsEditor getIndentOptionsEditor() {
return new SmartIndentOptionsEditor();
}
@Override
public CommonCodeStyleSettings getDefaultCommonSettings() {
CommonCodeStyleSettings defaultSettings = new CommonCodeStyleSettings(getLanguage());
CommonCodeStyleSettings.IndentOptions indentOptions = defaultSettings.initIndentOptions();
indentOptions.INDENT_SIZE = 2;
indentOptions.CONTINUATION_INDENT_SIZE = 4;
indentOptions.TAB_SIZE = 2;
return defaultSettings;
}
@Override
public void customizeSettings(@NotNull CodeStyleSettingsCustomizable consumer, @NotNull SettingsType settingsType) {
if (settingsType == SettingsType.SPACING_SETTINGS) {
consumer.showStandardOptions(
// "SPACE_BEFORE_METHOD_CALL_PARENTHESES", // todo
"SPACE_AROUND_ASSIGNMENT_OPERATORS",
"SPACE_AROUND_LOGICAL_OPERATORS",
"SPACE_AROUND_EQUALITY_OPERATORS",
"SPACE_AROUND_ADDITIVE_OPERATORS",
"SPACE_AROUND_MULTIPLICATIVE_OPERATORS",
// "SPACE_WITHIN_METHOD_CALL_PARENTHESES", // todo
// "SPACE_WITHIN_METHOD_PARENTHESES", // todo
"SPACE_AFTER_COMMA",
"SPACE_BEFORE_COMMA"
);
consumer.renameStandardOption("SPACE_AROUND_ASSIGNMENT_OPERATORS", "Assignment operator");
consumer.renameStandardOption("SPACE_AROUND_LOGICAL_OPERATORS", "Logical operators");
consumer.renameStandardOption("SPACE_AROUND_EQUALITY_OPERATORS", "Equality operators");
consumer.renameStandardOption("SPACE_AROUND_ADDITIVE_OPERATORS", "Additive operators");
consumer.renameStandardOption("SPACE_AROUND_MULTIPLICATIVE_OPERATORS", "Multiplicative operators");
consumer.showCustomOption(ErlangCodeStyleSettings.class, "SPACE_AROUND_EQ_IN_RECORDS", "= inside records", AROUND_OPERATORS);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "SPACE_AROUND_SEND", "Send operator", AROUND_OPERATORS);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "SPACE_AROUND_ARROW", "Right arrow", AROUND_OPERATORS);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "SPACE_AROUND_LEFT_ARROW", "Left arrow", AROUND_OPERATORS);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "SPACE_AROUND_OR_IN_LISTS", "| inside lists", AROUND_OPERATORS);
}
else if (settingsType == SettingsType.BLANK_LINES_SETTINGS) {
consumer.showStandardOptions("KEEP_BLANK_LINES_IN_CODE");
}
else if (settingsType == SettingsType.WRAPPING_AND_BRACES_SETTINGS) {
consumer.showStandardOptions(
// "KEEP_LINE_BREAKS",
"KEEP_FIRST_COLUMN_COMMENT",
"CALL_PARAMETERS_WRAP",
// "CALL_PARAMETERS_LPAREN_ON_NEXT_LINE",
// "CALL_PARAMETERS_RPAREN_ON_NEXT_LINE",
"METHOD_PARAMETERS_WRAP",
// "METHOD_PARAMETERS_LPAREN_ON_NEXT_LINE",
// "METHOD_PARAMETERS_RPAREN_ON_NEXT_LINE",
// "ALIGN_MULTILINE_PARAMETERS",
// "ALIGN_MULTILINE_PARAMETERS_IN_CALLS",
// "ALIGN_MULTILINE_BINARY_OPERATION",
"BINARY_OPERATION_WRAP"
// "BINARY_OPERATION_SIGN_ON_NEXT_LINE",
// "PARENTHESES_EXPRESSION_LPAREN_WRAP",
// "PARENTHESES_EXPRESSION_RPAREN_WRAP"
);
consumer.renameStandardOption("CALL_PARAMETERS_WRAP", "Call arguments");
consumer.renameStandardOption("METHOD_PARAMETERS_WRAP", "Function parameters");
showCustomWrapOption(consumer, "EXPRESSION_IN_CLAUSE_WRAP", "Expression in clause", null);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "ALIGN_MULTILINE_BLOCK", "Blocks (fun...end, etc)", ALIGNMENT);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "ALIGN_FUNCTION_CLAUSES", "Function clauses", ALIGNMENT);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "ALIGN_FUN_CLAUSES", "Fun expression clauses", ALIGNMENT);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "ALIGN_GUARDS", "Guards", ALIGNMENT);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "ALIGN_RECORD_FIELD_ASSIGNMENTS", "Record field assignments", ALIGNMENT);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "INDENT_RELATIVE", "Honor relative", null);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "NEW_LINE_BEFORE_COMMA", "Comma first style", null);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "NEW_LINE_AFTER_ARROW", "Newline after '->'", null,
ErlangCodeStyleSettings.NewLineAfterArrow.OPTIONS, ErlangCodeStyleSettings.NewLineAfterArrow.VALUES);
consumer.showCustomOption(ErlangCodeStyleSettings.class, "UNIFORM_BINARY_EXPRESSIONS", "Uniform binary expressions style", null);
}
}
private static void showCustomWrapOption(CodeStyleSettingsCustomizable consumer, String name, String title, @Nullable String groupName) {
consumer.showCustomOption(ErlangCodeStyleSettings.class, name, title, groupName,
CodeStyleSettingsCustomizable.WRAP_OPTIONS, CodeStyleSettingsCustomizable.WRAP_VALUES);
}
private static final String DEFAULT_CODE_SAMPLE =
"%% ping comment\n" +
"ping(0, Pong_PID) ->\n" +
" Pong_PID ! finished,\n" +
" tut15:pong(),\n" +
" io:format(\"Ping finished~n\", []);\n" +
"\n" +
"%% pong comment\n" +
"ping(N, Pong_PID)->\n" +
" Pong_PID ! {ping, self()},\n" +
" receive\n" +
" pong ->\n" +
" io:format(\"Ping received pong~n\", [])\n" +
" end,\n" +
" ping(N - 1, Pong_PID).\n" +
"\n" +
"pong() ->\n" +
" receive\n" +
" finished ->\n" +
" io:format(\"Pong finished~n\", []);\n" +
" {ping, Ping_PID} ->\n" +
" io:format(\"Pong received ping~n\", []),\n" +
" Ping_PID ! pong,\n" +
" pong()\n" +
" end.\n" +
"\n" +
"start() ->\n" +
" Pong_PID = spawn(tut15, pong, []),\n" +
" spawn(tut15, ping, [30 * 1000, Pong_PID]).\n" +
"\n" +
"-record(rec, {id, name=\"Default\", binary}).\n" +
"\n" +
"f() ->\n" +
" Ok = true == false,\n" +
" Ok = true =:= false,\n" +
" #rec{id = 1, binary = <<\"BINARY\">>},\n" +
" X = case 1 of\n" +
" Z -> Z\n" +
" end.\n" +
" \n" +
"sort([Pivot|T]) ->\n" +
" sort([ X || X <- T, X < Pivot]) ++\n" +
" [Pivot] ++\n" +
" sort([ X || X <- T, X >= Pivot]);\n" +
"sort([]) -> [].";
private static final String BLANK_LINES_CODE_SAMPLE =
"hello(Name) ->\n" +
" io:format(\"Hello, \" ++ Name).\n" +
"\n" +
"hello() -> hello(\"IntelliJ\").\n" +
"\n";
private static final String INDENT_CODE_SAMPLE =
"foo() ->\n" +
" io:format(\"Hello\"),\n" +
" List = [\n" +
" 1,\n" +
" 2\n" +
" ].";
}