/*
* Copyright 2011-2014 Gregory Shrago
*
* 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.jflex.editor;
import com.intellij.openapi.editor.colors.TextAttributesKey;
import com.intellij.openapi.fileTypes.SyntaxHighlighter;
import com.intellij.openapi.options.colors.AttributesDescriptor;
import com.intellij.openapi.options.colors.ColorDescriptor;
import com.intellij.openapi.options.colors.ColorSettingsPage;
import com.intellij.util.containers.ContainerUtil;
import org.intellij.jflex.parser.JFlexFileType;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.util.Arrays;
import java.util.Map;
import static org.intellij.jflex.editor.JFlexSyntaxHighlighterFactory.*;
/**
* @author gregsh
*/
public class JFlexColorSettingsPage implements ColorSettingsPage {
private static final AttributesDescriptor[] ATTRS;
static {
ATTRS = new AttributesDescriptor[]{
new AttributesDescriptor("Illegal char", ILLEGAL),
new AttributesDescriptor("Comment", COMMENT),
new AttributesDescriptor("Keyword", KEYWORD),
new AttributesDescriptor("Predefined class", STD_CLASS),
new AttributesDescriptor("Character class", CLASS),
new AttributesDescriptor("Macro", MACRO),
new AttributesDescriptor("State", STATE),
new AttributesDescriptor("String", STRING),
new AttributesDescriptor("Escaped character", ESCAPED_CHAR),
new AttributesDescriptor("Character", CHAR),
new AttributesDescriptor("Number", NUMBER),
new AttributesDescriptor("Code", CODE),
new AttributesDescriptor("Parenthesis", PARENTHS),
new AttributesDescriptor("Braces", BRACES),
new AttributesDescriptor("Brackets", BRACKETS),
new AttributesDescriptor("Angles", ANGLES),
new AttributesDescriptor("Equal sign", OP_EQUAL),
new AttributesDescriptor("Operation sign", OP_SIGN),
};
}
@NotNull
public String getDisplayName() {
return "JFlex";
}
public Icon getIcon() {
return JFlexFileType.INSTANCE.getIcon();
}
@NotNull
public AttributesDescriptor[] getAttributeDescriptors() {
return ATTRS;
}
@NotNull
public ColorDescriptor[] getColorDescriptors() {
return ColorDescriptor.EMPTY_ARRAY;
}
@NotNull
public SyntaxHighlighter getHighlighter() {
return new JFlexSyntaxHighlighterFactory().getSyntaxHighlighter(null, null);
}
@NotNull
public String getDemoText() {
return "/* Header comment */\n" +
"<j>package sample.lexer;</j>\n" +
"\n" +
"%%\n" +
"%public\n" +
"%class _MyLexer\n" +
"%unicode\n" +
"%eof{ return;\n" +
"%eof}\n" +
"%{\n" +
" <j>private int parenCount;</j>\n" +
"%}\n" +
"\n" +
"// lexer states\n" +
"%state <s>BLOCK</s>, <s>QUALIFICATION</s>\n" +
"\n" +
"// macro definitions\n" +
"<m>WHITESPACE</m>=<c>[ \\n\\r\\t]</c>\n" +
"<m>ESCAPED_CHAR</m>=\\\\.\n" +
"<m>STRING</m>=\\\"(<c>[^\\\"\\\\]</c>|\\\\.)*\\\"\n" +
"<m>ID</m> = [:letter:]([:letter:]|[:digit:]|_)*\n" +
"<m>BLOCK_COMMENT</m>=\"//\".* | \"/*\" !(<c>[^]</c>* \"*/\" <c>[^]</c>*) (\"*/\")?\n" +
"<m>NUMBER</m>=<c>[+-]</c>[:digit:]+\n" +
"<m>FLOAT</m>=<m>{NUMBER}</m>(\\.[:digit:]){1, 3}\n" +
"\n" +
"%%\n" +
"<<s>YYINITIAL</s>, <s>BLOCK</s>> {\n" +
" <m>{WHITESPACE}</m> <j>{ return WHITESPACE; }</j>\n" +
" <m>{STRING}</m> <j>{ return STRING; }</j>\n" +
" \"(\" <j>{ return PAREN1; }</j>\n" +
" \")\" <j>{ return PAREN2; }</j>\n" +
" \".\" <j>{ yybegin(QUALIFICATION); return DOT; }</j>\n" +
" <c>[^]</c> <j>{ return BAD_CHARACER; }</j>\n" +
"}\n";
}
public Map<String, TextAttributesKey> getAdditionalHighlightingTagToDescriptorMap() {
return ContainerUtil.newHashMap(Arrays.asList("s", "m", "c", "j"), Arrays.asList(STATE, MACRO, CLASS, CODE));
}
}