/*

 * 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.

 *

 * 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.

 *

 */

import java.io.*;

import java.util.*;

abstract class HsArgHandler extends ArgHandler {

    static final int STRING = 1;

    static final int VECTOR = 2;

    static final int HASH   = 3;

    boolean nextNotKey(ArgIterator it) {

        if (it.next()) {

            String s = it.get();

            return (s.length() == 0) || (s.charAt(0) != '-');

        } else {

            return false;

        }

    }

    void empty(String key, String message) {

        if (key != null) {

            System.err.println("** Error: empty " + key);

        }

        if (message != null) {

            System.err.println(message);

        }

        WinGammaPlatform.usage();

    }

    static String getCfg(String val) {

        int under = val.indexOf('_');

        int len = val.length();

        if (under != -1 && under < len - 1) {

            return val.substring(under+1, len);

        } else {

            return null;

        }

    }

}

class ArgRuleSpecific extends ArgRule {

    ArgRuleSpecific(String arg, ArgHandler handler) {

        super(arg, handler);

    }

    boolean match(String rulePattern, String arg) {

        return rulePattern.startsWith(arg);

    }

}

class SpecificHsArgHandler extends HsArgHandler {

    String message, argKey, valKey;

    int type;

    public void handle(ArgIterator it) {

        String cfg = getCfg(it.get());

        if (nextNotKey(it)) {

            String val = it.get();

            switch (type) {

            case VECTOR:

                BuildConfig.addFieldVector(cfg, valKey, val);

                break;

            case HASH:

                BuildConfig.putFieldHash(cfg, valKey, val, "1");

                break;

            case STRING:

                BuildConfig.putField(cfg, valKey, val);

                break;

            default:

                empty(valKey, "Unknown type: "+type);

            }

            it.next();

        } else {

            empty(argKey, message);

        }

    }

    SpecificHsArgHandler(String argKey, String valKey, String message, int type) {

        this.argKey = argKey;

        this.valKey = valKey;

        this.message = message;

        this.type = type;

    }

}

class HsArgRule extends ArgRuleSpecific {

    HsArgRule(String argKey, String valKey, String message, int type) {

        super(argKey, new SpecificHsArgHandler(argKey, valKey, message, type));

    }

}

    public boolean fileNameStringEquality(String s1, String s2) {

        return s1.equalsIgnoreCase(s2);

    }

    static void usage() throws IllegalArgumentException {

        System.err.println("WinGammaPlatform platform-specific options:");

        System.err.println("  -sourceBase <path to directory (workspace) " +

                           "containing source files; no trailing slash>");

        System.err.println("  -projectFileName <full pathname to which project file " +

                           "will be written; all parent directories must " +

                           "already exist>");

        System.err.println("  If any of the above are specified, "+

                           "they must all be.");

        System.err.println("  Additional, optional arguments, which can be " +

                           "specified multiple times:");

        System.err.println("    -absoluteInclude <string containing absolute " +

                           "path to include directory>");

        System.err.println("    -relativeInclude <string containing include " +

                           "directory relative to -sourceBase>");

        System.err.println("    -define <preprocessor flag to be #defined " +

                           "(note: doesn't yet support " +

                           "#define (flag) (value))>");

        System.err.println("    -startAt <subdir of sourceBase>");

        System.err.println("    -additionalFile <file not in database but " +

        System.err.println("    -additionalGeneratedFile <absolute path to " +

                           "directory containing file; no trailing slash> " +

                           "<name of file generated later in the build process>");

        throw new IllegalArgumentException();

    }

    public void addPerFileLine(Hashtable table,

                               String fileName,

                               String line) {

        Vector v = (Vector) table.get(fileName);

        if (v != null) {

            v.add(line);

        } else {

            v = new Vector();

            v.add(line);

            table.put(fileName, v);

        }

    }

    protected static class PerFileCondData {

        public String releaseString;

        public String debugString;

    }

    protected void addConditionalPerFileLine(Hashtable table,

                                           String fileName,

                                           String releaseLine,

                                           String debugLine) {

        PerFileCondData data = new PerFileCondData();

        data.releaseString = releaseLine;

        data.debugString = debugLine;

        Vector v = (Vector) table.get(fileName);

        if (v != null) {

            v.add(data);

        } else {

            v = new Vector();

            v.add(data);

            table.put(fileName, v);

        }

    }

    protected static class PrelinkCommandData {

      String description;

      String commands;

    }

    protected void addPrelinkCommand(Hashtable table,

                                     String build,

                                     String description,

                                     String commands) {

      PrelinkCommandData data = new PrelinkCommandData();

      data.description = description;

      data.commands = commands;

      table.put(build, data);

    }

    public boolean findString(Vector v, String s) {

        for (Iterator iter = v.iterator(); iter.hasNext(); ) {

            if (((String) iter.next()).equals(s)) {

                return true;

            }

        }

        return false;

    }

    /* This returns a String containing the full path to the passed

       file name, or null if an error occurred. If the file was not

       found or was a duplicate and couldn't be resolved using the

       preferred paths, the file name is added to the appropriate

       Vector of Strings. */

    private String findFileInDirectory(String fileName,

                                       DirectoryTree directory,

                                       Vector preferredPaths,

                                       Vector filesNotFound,

                                       Vector filesDuplicate) {

        List locationsInTree = directory.findFile(fileName);

        int  rootNameLength = directory.getRootNodeName().length();

        String name = null;

        if ((locationsInTree == null) ||

            (locationsInTree.size() == 0)) {

            filesNotFound.add(fileName);

        } else if (locationsInTree.size() > 1) {

            // We shouldn't have duplicate file names in our workspace.

            System.err.println();

            System.err.println("There are multiple files named as: " + fileName);

            System.exit(-1);

            // The following code could be safely removed if we don't need duplicate

            // file names.

            // Iterate through them, trying to find one with a

            // preferred path

        search:

            {

                for (Iterator locIter = locationsInTree.iterator();

                     locIter.hasNext(); ) {

                    DirectoryTreeNode node =

                        (DirectoryTreeNode) locIter.next();

                    String tmpName = node.getName();

                    for (Iterator prefIter = preferredPaths.iterator();

                         prefIter.hasNext(); ) {

                        // We need to make sure the preferred path is

                        // found from the file path not including the root node name.

                        if (tmpName.indexOf((String)prefIter.next(),

                                            rootNameLength) != -1) {

                            name = tmpName;

                            break search;

                        }

                    }

                }

            }

            if (name == null) {

                filesDuplicate.add(fileName);

            }

        } else {

            name = ((DirectoryTreeNode) locationsInTree.get(0)).getName();

        }

        return name;

    }

    protected String envVarPrefixedFileName(String fileName,

                                            int sourceBaseLen,

                                            DirectoryTree tree,

                                            Vector preferredPaths,

                                            Vector filesNotFound,

                                            Vector filesDuplicate) {

        String fullName = findFileInDirectory(fileName,

                                              tree,

                                              preferredPaths,

                                              filesNotFound,

                                              filesDuplicate);

        return fullName;

    }

     String getProjectName(String fullPath, String extension)

        throws IllegalArgumentException, IOException {

        File file = new File(fullPath).getCanonicalFile();

        fullPath = file.getCanonicalPath();

        String parent = file.getParent();

        if (!fullPath.endsWith(extension)) {

            throw new IllegalArgumentException("project file name \"" +

                                               fullPath +

                                               "\" does not end in "+extension);

        }

        if ((parent != null) &&

            (!fullPath.startsWith(parent))) {

            throw new RuntimeException(

                "Internal error: parent of file name \"" + parent +

                "\" does not match file name \"" + fullPath + "\""

            );

        }

        int len = parent.length();

        if (!parent.endsWith(Util.sep)) {

            len += Util.sep.length();

        }

        int end = fullPath.length() - extension.length();

        if (len == end) {

            throw new RuntimeException(

                "Internal error: file name was empty"

            );

        }

        return fullPath.substring(len, end);

    }

    protected abstract String getProjectExt();

        throws IllegalArgumentException, IOException {

        parseArguments(args);

        String projectFileName = BuildConfig.getFieldString(null, "ProjectFileName");

        String ext = getProjectExt();

        String projectName = getProjectName(projectFileName, ext);

        writeProjectFile(projectFileName, projectName, createAllConfigs());

    }

    protected void writePrologue(String[] args) {

        System.err.println("WinGammaPlatform platform-specific arguments:");

        for (int i = 0; i < args.length; i++) {

            System.err.print(args[i] + " ");

        }

        System.err.println();

    }

    void parseArguments(String[] args) {

        new ArgsParser(args,

                       new ArgRule[]

            {

                new HsArgRule("-sourceBase",

                              "SourceBase",

                              "   (Did you set the HotSpotWorkSpace environment variable?)",

                              HsArgHandler.STRING

                              ),

                new HsArgRule("-buildBase",

                              "BuildBase",

                              "   (Did you set the HotSpotBuildSpace environment variable?)",

                              HsArgHandler.STRING

                              ),

                new HsArgRule("-projectFileName",

                              "ProjectFileName",

                              null,

                              HsArgHandler.STRING

                              ),

                new HsArgRule("-jdkTargetRoot",

                              "JdkTargetRoot",

                              "   (Did you set the HotSpotJDKDist environment variable?)",

                              HsArgHandler.STRING

                              ),

                new HsArgRule("-compiler",

                              "CompilerVersion",

                              "   (Did you set the VcVersion correctly?)",

                              HsArgHandler.STRING

                              ),

                new HsArgRule("-platform",

                              "Platform",

                              null,

                              HsArgHandler.STRING

                              ),

                new HsArgRule("-absoluteInclude",

                              "AbsoluteInclude",

                              null,

                              HsArgHandler.VECTOR

                              ),

                new HsArgRule("-relativeInclude",

                              "RelativeInclude",

                              null,

                              HsArgHandler.VECTOR

                              ),

                new HsArgRule("-define",

                              "Define",

                              null,

                              HsArgHandler.VECTOR

                              ),

                new HsArgRule("-useToGeneratePch",

                              "UseToGeneratePch",

                              null,

                              HsArgHandler.STRING

                              ),

                new ArgRuleSpecific("-perFileLine",

                            new HsArgHandler() {

                                public void handle(ArgIterator it) {

                                    String cfg = getCfg(it.get());

                                    if (nextNotKey(it)) {

                                        String fileName = it.get();

                                        if (nextNotKey(it)) {

                                            String line = it.get();

                                            BuildConfig.putFieldHash(cfg, "PerFileLine", fileName, line);

                                            it.next();

                                            return;

                                        }

                                    }

                                    empty(null, "** Error: wrong number of args to -perFileLine");

                                }

                            }

                            ),

                new ArgRuleSpecific("-conditionalPerFileLine",

                            new HsArgHandler() {

                                public void handle(ArgIterator it) {

                                    String cfg = getCfg(it.get());

                                    if (nextNotKey(it)) {

                                        String fileName = it.get();

                                        if (nextNotKey(it)) {

                                            String productLine = it.get();

                                            if (nextNotKey(it)) {

                                                String debugLine = it.get();

                                                BuildConfig.putFieldHash(cfg+"_debug", "CondPerFileLine",

                                                                         fileName, debugLine);

                                                BuildConfig.putFieldHash(cfg+"_product", "CondPerFileLine",

                                                                         fileName, productLine);

                                                it.next();

                                                return;

                                            }

                                        }

                                    }

                                    empty(null, "** Error: wrong number of args to -conditionalPerFileLine");

                                }

                            }

                            ),

                new HsArgRule("-disablePch",

                              "DisablePch",

                              null,

                              HsArgHandler.HASH

                              ),

                new ArgRule("-startAt",

                            new HsArgHandler() {

                                public void handle(ArgIterator it) {

                                    if (BuildConfig.getField(null, "StartAt") != null) {

                                        empty(null, "** Error: multiple -startAt");

                                    }

                                    if (nextNotKey(it)) {

                                        BuildConfig.putField(null, "StartAt", it.get());

                                        it.next();

                                    } else {

                                        empty("-startAt", null);

                                    }

                                }

                            }

                            ),

                new HsArgRule("-ignoreFile",

                                      "IgnoreFile",

                                      null,

                                      HsArgHandler.HASH

                                      ),

                new HsArgRule("-additionalFile",

                              "AdditionalFile",

                              null,

                              HsArgHandler.VECTOR

                              ),

                new ArgRuleSpecific("-additionalGeneratedFile",

                            new HsArgHandler() {

                                public void handle(ArgIterator it) {

                                    String cfg = getCfg(it.get());

                                    if (nextNotKey(it)) {

                                        String dir = it.get();

                                        if (nextNotKey(it)) {

                                            String fileName = it.get();

                                            BuildConfig.putFieldHash(cfg, "AdditionalGeneratedFile",

                                                                     Util.normalize(dir + Util.sep + fileName),

                                                                     fileName);

                                            it.next();

                                            return;

                                        }

                                    }

                                    empty(null, "** Error: wrong number of args to -additionalGeneratedFile");

                                }

                            }

                            ),

                new ArgRule("-prelink",

                            new HsArgHandler() {

                                public void handle(ArgIterator it) {

                                    if (nextNotKey(it)) {

                                        String build = it.get();

                                        if (nextNotKey(it)) {

                                            String description = it.get();

                                            if (nextNotKey(it)) {

                                                String command = it.get();

                                                BuildConfig.putField(null, "PrelinkDescription", description);

                                                BuildConfig.putField(null, "PrelinkCommand", command);

                                                it.next();

                                                return;

                                            }

                                        }

                                    }