/*
* 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.grammar.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 gnu.trove.THashMap;
import org.intellij.grammar.BnfIcons;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.util.Map;
import static org.intellij.grammar.editor.BnfSyntaxHighlighter.*;
/**
* @author gregsh
*/
public class BnfColorSettingsPage implements ColorSettingsPage {
private static final AttributesDescriptor[] ATTRS;
static {
ATTRS = new AttributesDescriptor[]{
new AttributesDescriptor("Illegal character", ILLEGAL),
new AttributesDescriptor("Comment", COMMENT),
new AttributesDescriptor("String", STRING),
new AttributesDescriptor("Number", NUMBER),
new AttributesDescriptor("Keyword", KEYWORD),
new AttributesDescriptor("Token", TOKEN),
new AttributesDescriptor("Rule", RULE),
new AttributesDescriptor("Attribute", ATTRIBUTE),
new AttributesDescriptor("Meta rule", META_RULE),
new AttributesDescriptor("Meta rule parameter", META_PARAM),
new AttributesDescriptor("Pattern", PATTERN),
new AttributesDescriptor("External", EXTERNAL),
new AttributesDescriptor("Parenthesis", PARENTHS),
new AttributesDescriptor("Braces", BRACES),
new AttributesDescriptor("Brackets", BRACKETS),
new AttributesDescriptor("Angles", ANGLES),
new AttributesDescriptor("Operation sign", OP_SIGN),
new AttributesDescriptor("Pin marker", PIN_MARKER),
new AttributesDescriptor("Recover marker", RECOVER_MARKER),
};
}
@NotNull
public String getDisplayName() {
return "Grammar";
}
public Icon getIcon() {
return BnfIcons.FILE;
}
@NotNull
public AttributesDescriptor[] getAttributeDescriptors() {
return ATTRS;
}
@NotNull
public ColorDescriptor[] getColorDescriptors() {
return ColorDescriptor.EMPTY_ARRAY;
}
@NotNull
public SyntaxHighlighter getHighlighter() {
return new BnfSyntaxHighlighter();
}
@NotNull
public String getDemoText() {
return "/*\n" +
" * Sample grammar\n" +
" */\n" +
"{\n" +
" <a>generatePsi</a>=<k>false</k>\n" +
" <a>classHeader</a>=<pa>\"header.txt\"</pa>\n" +
" <a>parserClass</a>=<pa>\"org.MyParser\"</pa>\n" +
" <a>pin</a>(<pa>\".*_list(?:_\\d.*)?\"</pa>)=1\n" +
" <a>tokens</a>=[\n" +
" <a>COMMA</a>=<pa>\",\"</pa>\n" +
" <a>LEFT_PAREN</a>=<pa>\"(\"</pa>\n" +
" <a>RIGHT_PAREN</a>=<pa>\")\"</pa>\n" +
" ]\n" +
"}\n" +
"// Grammar rules\n" +
"<r>root</r> ::= <r>header</r> <r>content</r>\n" +
"<r>header</r> ::= <t>DECLARE</t> <r>reference</r>\n" +
"<k>external</k> <r>reference</r> ::= <e>parseReference</e>\n" +
"<k>private</k> <k>meta</k> <mr>comma_list</mr> ::= <pin><s>'('</s></pin> <mp><<p>></mp> (<pin><s>','</s></pin> <mp><<p>></mp>) * ')'\n" +
"<k>private</k> <r>content</r> ::= <pin><t>AS</t></pin> <<<mr>comma_list</mr> <ru><r>element</r></ru>>> {<a>pin</a>=1}\n" +
"<ru><r>element</r></ru> ::= <r>reference</r> [ {<pa>'+'</pa> | <pa>'-'</pa>} <r>reference</r> <t>ONLY</t>?] {<a>recoverWhile</a>=<r>element_recover</r>}\n" +
"<k>private</k> <r>element_recover</r> ::= !(',' | ')')\n" +
"\n";
}
public Map<String, TextAttributesKey> getAdditionalHighlightingTagToDescriptorMap() {
@NonNls
final Map<String, TextAttributesKey> map = new THashMap<String, TextAttributesKey>();
map.put("r", RULE);
map.put("mr", META_RULE);
map.put("a", ATTRIBUTE);
map.put("pa", PATTERN);
map.put("t", TOKEN);
map.put("k", KEYWORD);
map.put("e", EXTERNAL);
map.put("pin", PIN_MARKER);
map.put("s", STRING);
map.put("ru", RECOVER_MARKER);
map.put("mp", META_PARAM);
return map;
}
}