/*

 * Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package jdk.javadoc.internal.tool;

import java.util.ArrayList;

import java.util.LinkedHashMap;

import java.util.List;

import java.util.Map;

import java.util.StringTokenizer;

import com.sun.tools.javac.main.Option;

import com.sun.tools.javac.main.OptionHelper;

import com.sun.tools.javac.util.Options;

/**

 * javadoc tool options.

 *

 *  <p><b>This is NOT part of any supported API.

 *  If you write code that depends on this, you do so at your own risk.

 *  This code and its internal interfaces are subject to change or

 *  deletion without notice.</b>

 */

public enum ToolOption {

    // ----- options for underlying compiler -----

    BOOTCLASSPATH("-bootclasspath", true) {

        @Override

        public void process(Helper helper, String arg) {

        }

    },

    CLASSPATH("-classpath", true) {

        @Override

        public void process(Helper helper, String arg) {

        }

    },

    CP("-cp", true) {

        @Override

        public void process(Helper helper, String arg) {

        }

    },

    EXTDIRS("-extdirs", true) {

        @Override

        public void process(Helper helper, String arg) {

            helper.setFileManagerOpt(Option.EXTDIRS, arg);

        }

    },

    SOURCEPATH("-sourcepath", true) {

        @Override

        public void process(Helper helper, String arg) {

        }

    },

    SYSCLASSPATH("-sysclasspath", true) {

        @Override

        public void process(Helper helper, String arg) {

        }

    },

    MODULESOURCEPATH("-modulesourcepath", true) {

        @Override

        public void process(Helper helper, String arg) {

        }

    },

    UPGRADEMODULEPATH("-upgrademodulepath", true) {

        @Override

        public void process(Helper helper, String arg) {

        }

    },

    SYSTEM("-system", true) {

        @Override

        public void process(Helper helper, String arg) {

            helper.setFileManagerOpt(Option.SYSTEM, arg);

        }

    },

    MODULEPATH("-modulepath", true) {

        @Override

        public void process(Helper helper, String arg) {

        }

    },

    ADDMODS("-addmods", true) {

        @Override

        public void process(Helper helper, String arg) {

        }

    },

    LIMITMODS("-limitmods", true) {

        @Override

        public void process(Helper helper, String arg) {

        }

    },

    ENCODING("-encoding", true) {

        @Override

        public void process(Helper helper, String arg) {

            helper.encoding = arg;

            helper.setFileManagerOpt(Option.ENCODING, arg);

        }

    },

        @Override

        public void process(Helper helper, String arg) {

            Option.RELEASE.process(helper.getOptionHelper(), opt, arg);

        }

    },

    SOURCE("-source", true) {

        @Override

        public void process(Helper helper, String arg) {

            Option.SOURCE.process(helper.getOptionHelper(), opt, arg);

        }

    },

    XMAXERRS("-Xmaxerrs", true) {

        @Override

        public void process(Helper helper, String arg) {

            Option.XMAXERRS.process(helper.getOptionHelper(), opt, arg);

        }

    },

    XMAXWARNS("-Xmaxwarns", true) {

        @Override

        public void process(Helper helper, String arg) {

            Option.XMAXWARNS.process(helper.getOptionHelper(), opt, arg);

        }

    },

    XADDREADS("-XaddReads:", false) {

        @Override

        public void process(Helper helper, String arg) {

        }

    },

        @Override

        public void process(Helper helper, String arg) {

        }

    },

    XMODULE("-Xmodule:", false) {

        @Override

        public void process(Helper helper, String arg) {

            Option.XMODULE.process(helper.getOptionHelper(), arg);

        }

    },

    XPATCH("-Xpatch:", false) {

        @Override

        public void process(Helper helper, String arg) {

            Option.XMODULE.process(helper.getOptionHelper(), arg);

        }

    },

    // ----- doclet options -----

    DOCLET("-doclet", true), // handled in setDocletInvoker

    DOCLETPATH("-docletpath", true), // handled in setDocletInvoker

    // ----- selection options -----

    SUBPACKAGES("-subpackages", true) {

        @Override

        public void process(Helper helper, String arg) {

            helper.addToList(helper.subPackages, arg);

        }

    },

    EXCLUDE("-exclude", true) {

        @Override

        public void process(Helper helper, String arg) {

            helper.addToList(helper.excludedPackages, arg);

        }

    },

    // ----- filtering options -----

    PACKAGE("-package") {

        @Override

        public void process(Helper helper) {

            helper.setFilter("package");

        }

    },

    PRIVATE("-private") {

        @Override

        public void process(Helper helper) {

            helper.setFilter("private");

        }

    },

    PROTECTED("-protected") {

        @Override

        public void process(Helper helper) {

            helper.setFilter("protected");

        }

    },

    PUBLIC("-public") {

        @Override

        public void process(Helper helper) {

            helper.setFilter("public");

        }

    },

    // ----- output control options -----

    PROMPT("-prompt") {

        @Override

        public void process(Helper helper) {

            helper.compOpts.put("-prompt", "-prompt");

            helper.promptOnError = true;

        }

    },

    QUIET("-quiet") {

        @Override

        public void process(Helper helper) {

            helper.quiet = true;

        }

    },

    VERBOSE("-verbose") {

        @Override

        public void process(Helper helper) {

            helper.compOpts.put("-verbose", "");

        }

    },

    XWERROR("-Xwerror") {

        @Override

        public void process(Helper helper) {

            helper.rejectWarnings = true;

        }

    },

    // ----- other options -----

    BREAKITERATOR("-breakiterator") {

        @Override

        public void process(Helper helper) {

            helper.breakiterator = true;

        }

    },

    LOCALE("-locale", true) {

        @Override

        public void process(Helper helper, String arg) {

            helper.docLocale = arg;

        }

    },

    // the doclet consumes this

    OVERVIEW("-overview", true) {

        @Override

        public void process(Helper helper, String arg) {

            helper.setOverviewpath(arg);

        }

    },

    XCLASSES("-Xclasses") {

        @Override

        public void process(Helper helper) {

            helper.docClasses = true;

        }

    },

    // ----- help options -----

    HELP("-help") {

        @Override

        public void process(Helper helper) {

            helper.usage();

        }

    },

    X("-X") {

        @Override

        public void process(Helper helper) {

            helper.Xusage();

        }

    };

    public final String opt;

    public final boolean hasArg;

    public final boolean hasSuffix; // ex: foo:bar or -foo=bar

    ToolOption(String opt) {

        this(opt, false);

    }

    ToolOption(String opt, boolean hasArg) {

        this.opt = opt;

        this.hasArg = hasArg;

        char lastChar = opt.charAt(opt.length() - 1);

        this.hasSuffix = lastChar == ':' || lastChar == '=';

    }

    void process(Helper helper, String arg) { }

    void process(Helper helper) { }

    static ToolOption get(String name) {

        String oname = name;

        if (name.contains(":")) {

            oname = name.substring(0, name.indexOf(':') + 1);

        } else if (name.contains("=")) {

            oname = name.substring(0, name.indexOf('=') + 1);

        }

        for (ToolOption o : values()) {

            if (oname.equals(o.opt)) {

                return o;

            }

        }

        return null;

    }

    static abstract class Helper {

        /** List of decoded options. */

        final List<List<String>> options = new ArrayList<>();

        /** Selected packages, from -subpackages. */

        final List<String> subPackages = new ArrayList<>();

        /** Excluded packages, from -exclude. */

        final List<String> excludedPackages = new ArrayList<>();

        // File manager options

        final Map<Option, String> fileManagerOpts = new LinkedHashMap<>();

        /** javac options, set by various options. */

        Options compOpts; // = Options.instance(context)

        /* Encoding for javac, and files written? set by -encoding. */

        String encoding = null;

        /** Set by -breakiterator. */

        boolean breakiterator = false;

        /** Set by -quiet. */

        boolean quiet = false;

        /** Set by -Xclasses. */

        boolean docClasses = false;

        /** Set by -Xwerror. */

        boolean rejectWarnings = false;

        /** Set by -prompt. */

        boolean promptOnError;

        /** Set by -locale. */

        String docLocale = "";

        /** Set by -public, private, -protected, -package. */

        String showAccess = null;

        String overviewpath;

        abstract void usage();

        abstract void Xusage();

        abstract void usageError(String msg, Object... args);

        abstract OptionHelper getOptionHelper();

        void addToList(List<String> list, String str){

            StringTokenizer st = new StringTokenizer(str, ":");

            String current;

            while(st.hasMoreTokens()){

                current = st.nextToken();

                list.add(current);

            }