mindmapprinter.java

大名鼎鼎的java动态脚本语言。已经通过了sun的认证

/**
 *
 * Copyright 2005 Jeremy Rayner
 *
 * 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.codehaus.groovy.antlr.treewalker;

import java.io.PrintStream;

import org.codehaus.groovy.antlr.GroovySourceAST;
import org.codehaus.groovy.antlr.parser.GroovyTokenTypes;

/**
 * An antlr AST visitor that prints a format suitable for viewing in http://freemind.sourceforge.net
 *
 * @author <a href="mailto:[e-mail]">Jeremy Rayner</a>
 * @version $Revision: 1.4 $
 */

public class MindMapPrinter extends VisitorAdapter {
    private String[] tokenNames;
    private PrintStream out;
    private int depth;

    /**
     * A visitor that prints a format suitable for viewing in http://freemind.sourceforge.net
     * @param out where to print the mindmap file contents to
     * @param tokenNames an array of token names from antlr
     */

    public MindMapPrinter(PrintStream out,String[] tokenNames) {
        this.tokenNames = tokenNames;
        this.out = out;
    }

    public void setUp() {
        depth = 0;
        out.println("<map version='0.7.1'><node TEXT='AST'>");
    }

    public void visitDefault(GroovySourceAST t,int visit) {
        if (visit == OPENING_VISIT) {
            depth++;
            String name = getName(t);
            String colour = getColour(t);
            String folded = getFolded(t);
            out.print("<node TEXT='" + name + "' POSITION='right'" + colour + folded + ">");
        } else {
            out.println("</node>");
            depth--;
        }
    }

    public void tearDown() {
        out.println("</node></map>");
    }

    private String getFolded(GroovySourceAST t) {
        if (depth > 2 && t.getNumberOfChildren() > 0) {
            switch (t.getType()) {
                case GroovyTokenTypes.EXPR :
                case GroovyTokenTypes.METHOD_DEF :
                case GroovyTokenTypes.VARIABLE_DEF :
                    return " FOLDED='true'";
            }
        }
        if (t.getType() == GroovyTokenTypes.IMPORT) {
            return " FOLDED='true'";
        }
        return "";
    }

    private String getColour(GroovySourceAST t) {
        String colour = "";
        String black = " COLOR=\"#000000\"";
        String cyan = " COLOR=\"#006699\"";
        String blue = " COLOR=\"#17178B\"";
        String green = " COLOR=\"#008000\"";
        switch (t.getType()) {
            case GroovyTokenTypes.ABSTRACT                      :
            case GroovyTokenTypes.ANNOTATION                    :
            case GroovyTokenTypes.ANNOTATIONS                   :
            case GroovyTokenTypes.ANNOTATION_ARRAY_INIT         :
            case GroovyTokenTypes.ANNOTATION_DEF                :
            case GroovyTokenTypes.ANNOTATION_FIELD_DEF          :
            case GroovyTokenTypes.ANNOTATION_MEMBER_VALUE_PAIR  :
            case GroovyTokenTypes.ARRAY_DECLARATOR              :
            case GroovyTokenTypes.ASSIGN                        :
            case GroovyTokenTypes.AT                            :
            case GroovyTokenTypes.BAND                          :
            case GroovyTokenTypes.BAND_ASSIGN                   :
            case GroovyTokenTypes.BIG_SUFFIX                    :
            case GroovyTokenTypes.BLOCK                         :
            case GroovyTokenTypes.BNOT                          :
            case GroovyTokenTypes.BOR                           :
            case GroovyTokenTypes.BOR_ASSIGN                    :
            case GroovyTokenTypes.BSR                           :
            case GroovyTokenTypes.BSR_ASSIGN                    :
            case GroovyTokenTypes.BXOR                          :
            case GroovyTokenTypes.BXOR_ASSIGN                   :
            case GroovyTokenTypes.CASE_GROUP                    :
            case GroovyTokenTypes.CLOSED_BLOCK                  :
            case GroovyTokenTypes.CLOSURE_OP                    :
            case GroovyTokenTypes.COLON                         :
            case GroovyTokenTypes.COMMA                         :
            case GroovyTokenTypes.COMPARE_TO                    :
            case GroovyTokenTypes.CTOR_CALL                     :
            case GroovyTokenTypes.CTOR_IDENT                    :
            case GroovyTokenTypes.DEC                           :
            case GroovyTokenTypes.DIGIT                         :
            case GroovyTokenTypes.DIV                           :
            case GroovyTokenTypes.DIV_ASSIGN                    :
            case GroovyTokenTypes.DOLLAR                        :
            case GroovyTokenTypes.DOT                           :
            case GroovyTokenTypes.DYNAMIC_MEMBER                :
            case GroovyTokenTypes.ELIST                         :
            case GroovyTokenTypes.EMPTY_STAT                    :
            case GroovyTokenTypes.ENUM_CONSTANT_DEF             :
            case GroovyTokenTypes.ENUM_DEF                      :
            case GroovyTokenTypes.EOF                           :
            case GroovyTokenTypes.EQUAL                         :
            case GroovyTokenTypes.ESC                           :
            case GroovyTokenTypes.EXPONENT                      :
            case GroovyTokenTypes.EXPR                          :
            case GroovyTokenTypes.FINAL                         :
            case GroovyTokenTypes.FLOAT_SUFFIX                  :
            case GroovyTokenTypes.FOR_CONDITION                 :
            case GroovyTokenTypes.FOR_EACH_CLAUSE               :
            case GroovyTokenTypes.FOR_INIT                      :
            case GroovyTokenTypes.FOR_IN_ITERABLE               :
            case GroovyTokenTypes.FOR_ITERATOR                  :
            case GroovyTokenTypes.GE                            :
            case GroovyTokenTypes.GT                            :
            case GroovyTokenTypes.HEX_DIGIT                     :
            case GroovyTokenTypes.IMPLICIT_PARAMETERS           :
            case GroovyTokenTypes.INC                           :
            case GroovyTokenTypes.INDEX_OP                      :
            case GroovyTokenTypes.INSTANCE_INIT                 :
            case GroovyTokenTypes.INTERFACE_DEF                 :
            case GroovyTokenTypes.LABELED_ARG                   :
            case GroovyTokenTypes.LABELED_STAT                  :
            case GroovyTokenTypes.LAND                          :
            case GroovyTokenTypes.LBRACK                        :
            case GroovyTokenTypes.LCURLY                        :
            case GroovyTokenTypes.LE                            :
            case GroovyTokenTypes.LETTER                        :
            case GroovyTokenTypes.LIST_CONSTRUCTOR              :
            case GroovyTokenTypes.LNOT                          :
            case GroovyTokenTypes.LOR                           :
            case GroovyTokenTypes.LPAREN                        :
            case GroovyTokenTypes.LT                            :
            case GroovyTokenTypes.MAP_CONSTRUCTOR               :
            case GroovyTokenTypes.MEMBER_POINTER                :
            case GroovyTokenTypes.METHOD_CALL                   :
            case GroovyTokenTypes.METHOD_DEF                    :
            case GroovyTokenTypes.MINUS                         :
            case GroovyTokenTypes.MINUS_ASSIGN                  :
            case GroovyTokenTypes.ML_COMMENT                    :
            case GroovyTokenTypes.MOD                           :
            case GroovyTokenTypes.MODIFIERS                     :
            case GroovyTokenTypes.MOD_ASSIGN                    :
            case GroovyTokenTypes.NLS                           :
            case GroovyTokenTypes.NOT_EQUAL                     :
            case GroovyTokenTypes.NULL_TREE_LOOKAHEAD           :
            case GroovyTokenTypes.NUM_BIG_DECIMAL               :
            case GroovyTokenTypes.NUM_BIG_INT                   :
            case GroovyTokenTypes.NUM_DOUBLE                    :
            case GroovyTokenTypes.NUM_FLOAT                     :
            case GroovyTokenTypes.NUM_INT                       :