/*
 * Copyright (c) 2005, 2011, 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.
 *
 * 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.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.TreeSet;
import java.util.Vector;

public class WinGammaPlatformVC7 extends WinGammaPlatform {

    String projectVersion() {return "7.10";};

    public void writeProjectFile(String projectFileName, String projectName,
                                 Vector<BuildConfig> allConfigs) throws IOException {
        System.out.println();
        System.out.println("    Writing .vcproj file: "+projectFileName);
        // If we got this far without an error, we're safe to actually
        // write the .vcproj file
        printWriter = new PrintWriter(new FileWriter(projectFileName));

        printWriter.println("<?xml version=\"1.0\" encoding=\"windows-1251\"?>");
        startTag(
            "VisualStudioProject",
            new String[] {
                "ProjectType", "Visual C++",
                "Version", projectVersion(),
                "Name", projectName,
                "ProjectGUID", "{8822CB5C-1C41-41C2-8493-9F6E1994338B}",
                "SccProjectName", "",
                "SccLocalPath", ""
            }
            );
        startTag("Platforms");
        tag("Platform", new String[] {"Name", (String) BuildConfig.getField(null, "PlatformName")});
        endTag("Platforms");

        startTag("Configurations");

        for (Iterator i = allConfigs.iterator(); i.hasNext(); ) {
            writeConfiguration((BuildConfig)i.next());
        }

        endTag("Configurations");

        tag("References");

        writeFiles(allConfigs);

        tag("Globals");

        endTag("VisualStudioProject");
        printWriter.close();

        System.out.println("    Done.");
    }


    abstract class NameFilter {
                protected String fname;

        abstract boolean match(FileInfo fi);

        String  filterString() { return ""; }
        String name() { return this.fname;}

        @Override
        // eclipse auto-generated
        public int hashCode() {
            final int prime = 31;
            int result = 1;
            result = prime * result + getOuterType().hashCode();
            result = prime * result + ((fname == null) ? 0 : fname.hashCode());
            return result;
        }

        @Override
        // eclipse auto-generated
        public boolean equals(Object obj) {
            if (this == obj)
                return true;
            if (obj == null)
                return false;
            if (getClass() != obj.getClass())
                return false;
            NameFilter other = (NameFilter) obj;
            if (!getOuterType().equals(other.getOuterType()))
                return false;
            if (fname == null) {
                if (other.fname != null)
                    return false;
            } else if (!fname.equals(other.fname))
                return false;
            return true;
        }

        // eclipse auto-generated
        private WinGammaPlatformVC7 getOuterType() {
            return WinGammaPlatformVC7.this;
        }
    }

    class DirectoryFilter extends NameFilter {
        String dir;
        int baseLen, dirLen;

        DirectoryFilter(String dir, String sbase) {
            this.dir = dir;
            this.baseLen = sbase.length();
            this.dirLen = dir.length();
            this.fname = dir;
        }

        DirectoryFilter(String fname, String dir, String sbase) {
            this.dir = dir;
            this.baseLen = sbase.length();
            this.dirLen = dir.length();
            this.fname = fname;
        }


        boolean match(FileInfo fi) {
            int lastSlashIndex = fi.full.lastIndexOf('/');
            String fullDir = fi.full.substring(0, lastSlashIndex);
            return fullDir.endsWith(dir);
        }

        @Override
        // eclipse auto-generated
        public int hashCode() {
            final int prime = 31;
            int result = super.hashCode();
            result = prime * result + getOuterType().hashCode();
            result = prime * result + baseLen;
            result = prime * result + ((dir == null) ? 0 : dir.hashCode());
            result = prime * result + dirLen;
            return result;
        }

        @Override
        // eclipse auto-generated
        public boolean equals(Object obj) {
            if (this == obj)
                return true;
            if (!super.equals(obj))
                return false;
            if (getClass() != obj.getClass())
                return false;
            DirectoryFilter other = (DirectoryFilter) obj;
            if (!getOuterType().equals(other.getOuterType()))
                return false;
            if (baseLen != other.baseLen)
                return false;
            if (dir == null) {
                if (other.dir != null)
                    return false;
            } else if (!dir.equals(other.dir))
                return false;
            if (dirLen != other.dirLen)
                return false;
            return true;
        }

        // eclipse auto-generated
        private WinGammaPlatformVC7 getOuterType() {
            return WinGammaPlatformVC7.this;
        }
    }

    class TerminatorFilter extends NameFilter {
        TerminatorFilter(String fname) {
            this.fname = fname;

        }
        boolean match(FileInfo fi) {
            return true;
        }

    }

    class SpecificNameFilter extends NameFilter {
        String pats[];

        SpecificNameFilter(String fname, String[] pats) {
            this.fname = fname;
            this.pats = pats;
        }

        boolean match(FileInfo fi) {
            for (int i=0; i<pats.length; i++) {
                if (fi.attr.shortName.matches(pats[i])) {
                    return true;
                }
            }
            return false;
        }

    }

    class SpecificPathFilter extends NameFilter {
        String pats[];

        SpecificPathFilter(String fname, String[] pats) {
            this.fname = fname;
            this.pats = pats;
        }

        boolean match(FileInfo fi) {
            for (int i=0; i<pats.length; i++) {
                if (fi.full.matches(pats[i])) {
                    return true;
                }
            }
            return false;
        }

    }

    class ContainerFilter extends NameFilter {
        Vector children;

        ContainerFilter(String fname) {
            this.fname = fname;
            children = new Vector();

        }
        boolean match(FileInfo fi) {
            return false;
        }

        Iterator babies() { return children.iterator(); }

        void add(NameFilter f) {
            children.add(f);
        }
    }


    void writeCustomToolConfig(Vector configs, String[] customToolAttrs) {
        for (Iterator i = configs.iterator(); i.hasNext(); ) {
            startTag("FileConfiguration",
                     new String[] {
                         "Name",  (String)i.next()
                     }
                     );
            tag("Tool", customToolAttrs);

            endTag("FileConfiguration");
        }
    }

    // here we define filters, which define layout of what can be seen in 'Solution View' of MSVC
    // Basically there are two types of entities - container filters and real filters
    //   - container filter just provides a container to group together real filters
    //   - real filter can select elements from the set according to some rule, put it into XML
    //     and remove from the list
    Vector<NameFilter> makeFilters(TreeSet<FileInfo> files) {
        Vector<NameFilter> rv = new Vector<NameFilter>();
        String sbase = Util.normalize(BuildConfig.getFieldString(null, "SourceBase")+"/src/");

        String currentDir = "";
        DirectoryFilter container = null;
        for(FileInfo fileInfo : files) {

            if (!fileInfo.full.startsWith(sbase)) {
                continue;
            }

            int lastSlash = fileInfo.full.lastIndexOf('/');
            String dir = fileInfo.full.substring(sbase.length(), lastSlash);
            if(dir.equals("share/vm")) {
                // skip files directly in share/vm - should only be precompiled.hpp which is handled below
                continue;
            }
            if (!dir.equals(currentDir)) {
                currentDir = dir;
                if (container != null && !rv.contains(container)) {
                    rv.add(container);
                }

                // remove "share/vm/" from names
                String name = dir;
                if (dir.startsWith("share/vm/")) {
                    name = dir.substring("share/vm/".length(), dir.length());
                }
                DirectoryFilter newfilter = new DirectoryFilter(name, dir, sbase);
                int i = rv.indexOf(newfilter);
                if(i == -1) {
                    container = newfilter;
                } else {
                    // if the filter already exists, reuse it
                    container = (DirectoryFilter) rv.get(i);
                }
            }
        }
        if (container != null && !rv.contains(container)) {
            rv.add(container);
        }

        ContainerFilter generated = new ContainerFilter("Generated");
        ContainerFilter c1Generated = new ContainerFilter("C1");
        c1Generated.add(new SpecificPathFilter("C++ Interpreter Generated", new String[] {".*compiler1/generated/jvmtifiles/bytecodeInterpreterWithChecks.+"}));
        c1Generated.add(new SpecificPathFilter("jvmtifiles", new String[] {".*compiler1/generated/jvmtifiles/.*"}));
        generated.add(c1Generated);
        ContainerFilter c2Generated = new ContainerFilter("C2");
        c2Generated.add(new SpecificPathFilter("C++ Interpreter Generated", new String[] {".*compiler2/generated/jvmtifiles/bytecodeInterpreterWithChecks.+"}));
        c2Generated.add(new SpecificPathFilter("adfiles", new String[] {".*compiler2/generated/adfiles/.*"}));
        c2Generated.add(new SpecificPathFilter("jvmtifiles", new String[] {".*compiler2/generated/jvmtifiles/.*"}));
        generated.add(c2Generated);
        ContainerFilter coreGenerated = new ContainerFilter("Core");
        coreGenerated.add(new SpecificPathFilter("C++ Interpreter Generated", new String[] {".*core/generated/jvmtifiles/bytecodeInterpreterWithChecks.+"}));
        coreGenerated.add(new SpecificPathFilter("jvmtifiles", new String[] {".*core/generated/jvmtifiles/.*"}));
        generated.add(coreGenerated);
        ContainerFilter tieredGenerated = new ContainerFilter("Tiered");
        tieredGenerated.add(new SpecificPathFilter("C++ Interpreter Generated", new String[] {".*tiered/generated/jvmtifiles/bytecodeInterpreterWithChecks.+"}));
        tieredGenerated.add(new SpecificPathFilter("adfiles", new String[] {".*tiered/generated/adfiles/.*"}));
        tieredGenerated.add(new SpecificPathFilter("jvmtifiles", new String[] {".*tiered/generated/jvmtifiles/.*"}));
        generated.add(tieredGenerated);
        ContainerFilter kernelGenerated = new ContainerFilter("Kernel");
        kernelGenerated.add(new SpecificPathFilter("C++ Interpreter Generated", new String[] {".*kernel/generated/jvmtifiles/bytecodeInterpreterWithChecks.+"}));
        kernelGenerated.add(new SpecificPathFilter("jvmtifiles", new String[] {".*kernel/generated/jvmtifiles/.*"}));
        generated.add(kernelGenerated);
        rv.add(generated);

        rv.add(new SpecificNameFilter("Precompiled Header", new String[] {"precompiled.hpp"}));

        // this one is to catch files not caught by other filters
        rv.add(new TerminatorFilter("Source Files"));

        return rv;
    }

    void writeFiles(Vector<BuildConfig> allConfigs) {

        Hashtable allFiles = computeAttributedFiles(allConfigs);

        Vector allConfigNames = new Vector();
        for (Iterator i = allConfigs.iterator(); i.hasNext(); ) {
            allConfigNames.add(((BuildConfig)i.next()).get("Name"));
        }

        TreeSet sortedFiles = sortFiles(allFiles);

        startTag("Files");

        for (Iterator i = makeFilters(sortedFiles).iterator(); i.hasNext(); ) {
            doWriteFiles(sortedFiles, allConfigNames, (NameFilter)i.next());
        }


        startTag("Filter",
                 new String[] {
                     "Name", "Resource Files",
                     "Filter", "ico;cur;bmp;dlg;rc2;rct;bin;cnt;rtf;gif;jpg;jpeg;jpe"
                 }
                 );
        endTag("Filter");

        endTag("Files");
    }

    void doWriteFiles(TreeSet allFiles, Vector allConfigNames, NameFilter filter) {
        startTag("Filter",
                 new String[] {
                     "Name",   filter.name(),
                     "Filter", filter.filterString()
                 }
                 );

        if (filter instanceof ContainerFilter) {

            Iterator i = ((ContainerFilter)filter).babies();
            while (i.hasNext()) {
                doWriteFiles(allFiles, allConfigNames, (NameFilter)i.next());
            }

        } else {

            Iterator i = allFiles.iterator();
            while (i.hasNext()) {
                FileInfo fi = (FileInfo)i.next();

                if (!filter.match(fi)) {
                    continue;
                }

                startTag("File",
                         new String[] {
                             "RelativePath", fi.full.replace('/', '\\')
                         }
                         );

                FileAttribute a = fi.attr;
                if (a.pchRoot) {
                    writeCustomToolConfig(allConfigNames,
                                          new String[] {
                                              "Name", "VCCLCompilerTool",
                                              "UsePrecompiledHeader", "1"
                                          });
                }

                if (a.noPch) {
                    writeCustomToolConfig(allConfigNames,
                                          new String[] {
                                              "Name", "VCCLCompilerTool",
                                              "UsePrecompiledHeader", "0"
                                          });
                }

                if (a.configs != null) {
                    for (Iterator j=allConfigNames.iterator(); j.hasNext();) {
                        String cfg = (String)j.next();
                        if (!a.configs.contains(cfg)) {
                            startTag("FileConfiguration",
                                     new String[] {
                                         "Name", cfg,
                                         "ExcludedFromBuild", "TRUE"
                                     });
                            endTag("FileConfiguration");

                        }
                    }
                }

                endTag("File");

                // we not gonna look at this file anymore
                i.remove();
            }
        }

        endTag("Filter");
    }


    void writeConfiguration(BuildConfig cfg) {
        startTag("Configuration",
                 new String[] {
                     "Name", cfg.get("Name"),
                     "OutputDirectory",  cfg.get("OutputDir"),
                     "IntermediateDirectory",  cfg.get("OutputDir"),
                     "ConfigurationType", "2",
                     "UseOfMFC", "0",
                     "ATLMinimizesCRunTimeLibraryUsage", "FALSE"
                 }
                 );



        tagV("Tool", cfg.getV("CompilerFlags"));

        tag("Tool",
            new String[] {
                "Name", "VCCustomBuildTool"
            }
            );

        tagV("Tool", cfg.getV("LinkerFlags"));

        tag("Tool",
            new String[] {
               "Name", "VCPostBuildEventTool",
                "Description", BuildConfig.getFieldString(null, "PostbuildDescription"),
                //Caution: String.replace(String,String) is available from JDK5 onwards only
                "CommandLine", cfg.expandFormat(BuildConfig.getFieldString(null, "PostbuildCommand").replace
                   ("\t", "&#x0D;&#x0A;"))
            }
            );

        tag("Tool",
            new String[] {
                "Name", "VCPreBuildEventTool"
            }
            );

        tag("Tool",
            new String[] {
                "Name", "VCPreLinkEventTool",
                "Description", BuildConfig.getFieldString(null, "PrelinkDescription"),
                //Caution: String.replace(String,String) is available from JDK5 onwards only
                "CommandLine", cfg.expandFormat(BuildConfig.getFieldString(null, "PrelinkCommand").replace
                   ("\t", "&#x0D;&#x0A;"))
            }
            );

        tag("Tool",
            new String[] {
                "Name", "VCResourceCompilerTool",
                // XXX???
                "PreprocessorDefinitions", "NDEBUG",
                "Culture", "1033"
            }
            );

        tag("Tool",
            new String[] {
                "Name", "VCMIDLTool",
                "PreprocessorDefinitions", "NDEBUG",
                "MkTypLibCompatible", "TRUE",
                "SuppressStartupBanner", "TRUE",
                "TargetEnvironment", "1",
                "TypeLibraryName", cfg.get("OutputDir") + Util.sep + "vm.tlb",
                "HeaderFileName", ""
            }
            );

        endTag("Configuration");
    }

    int indent;

    private void startTagPrim(String name,
            String[] attrs,
            boolean close) {
        startTagPrim(name, attrs, close, true);
    }

    private void startTagPrim(String name,
                              String[] attrs,
                              boolean close,
                              boolean newline) {
        doIndent();
        printWriter.print("<"+name);
        indent++;

        if (attrs != null && attrs.length > 0) {
            for (int i=0; i<attrs.length; i+=2) {
                printWriter.print(" " + attrs[i]+"=\""+attrs[i+1]+"\"");
                if (i < attrs.length - 2) {
                }
            }
        }

        if (close) {
            indent--;
            printWriter.print(" />");
        } else {
                printWriter.print(">");
        }
        if(newline) {
                printWriter.println();
        }
    }

    void startTag(String name, String... attrs) {
        startTagPrim(name, attrs, false);
    }

    void startTagV(String name, Vector attrs) {
        String s[] = new String [attrs.size()];
         for (int i=0; i<attrs.size(); i++) {
             s[i] = (String)attrs.elementAt(i);
         }
        startTagPrim(name, s, false);
    }

    void endTag(String name) {
        indent--;
        doIndent();
        printWriter.println("</"+name+">");
    }

    void tag(String name, String... attrs) {
        startTagPrim(name, attrs, true);
    }

    void tagData(String name, String data) {
        doIndent();
        printWriter.print("<"+name+">");
        printWriter.print(data);
        printWriter.println("</"+name+">");
    }

    void tagData(String name, String data, String... attrs) {
        startTagPrim(name, attrs, false, false);
        printWriter.print(data);
        printWriter.println("</"+name+">");
        indent--;
    }

    void tagV(String name, Vector attrs) {
         String s[] = new String [attrs.size()];
         for (int i=0; i<attrs.size(); i++) {
             s[i] = (String)attrs.elementAt(i);
         }
         startTagPrim(name, s, true);
    }


    void doIndent() {
        for (int i=0; i<indent; i++) {
            printWriter.print("  ");
        }
    }

    protected String getProjectExt() {
        return ".vcproj";
    }
}

class CompilerInterfaceVC7 extends CompilerInterface {
    void getBaseCompilerFlags_common(Vector defines, Vector includes, String outDir,Vector rv) {

        // advanced M$ IDE (2003) can only recognize name if it's first or
        // second attribute in the tag - go guess
        addAttr(rv, "Name", "VCCLCompilerTool");
        addAttr(rv, "AdditionalIncludeDirectories", Util.join(",", includes));
        addAttr(rv, "PreprocessorDefinitions",
                                Util.join(";", defines).replace("\"","&quot;"));
        addAttr(rv, "PrecompiledHeaderThrough", "precompiled.hpp");
        addAttr(rv, "PrecompiledHeaderFile", outDir+Util.sep+"vm.pch");
        addAttr(rv, "AssemblerListingLocation", outDir);
        addAttr(rv, "ObjectFile", outDir+Util.sep);
        addAttr(rv, "ProgramDataBaseFileName", outDir+Util.sep+"jvm.pdb");
        // Set /nologo optin
        addAttr(rv, "SuppressStartupBanner", "TRUE");
        // Surpass the default /Tc or /Tp. 0 is compileAsDefault
        addAttr(rv, "CompileAs", "0");
        // Set /W3 option. 3 is warningLevel_3
        addAttr(rv, "WarningLevel", "3");
        // Set /WX option,
        addAttr(rv, "WarnAsError", "TRUE");
        // Set /GS option
        addAttr(rv, "BufferSecurityCheck", "FALSE");
        // Set /Zi option. 3 is debugEnabled
        addAttr(rv, "DebugInformationFormat", "3");
    }
    Vector getBaseCompilerFlags(Vector defines, Vector includes, String outDir) {
        Vector rv = new Vector();

        getBaseCompilerFlags_common(defines,includes, outDir, rv);
        // Set /Yu option. 3 is pchUseUsingSpecific
        // Note: Starting VC8 pchUseUsingSpecific is 2 !!!
        addAttr(rv, "UsePrecompiledHeader", "3");
        // Set /EHsc- option
        addAttr(rv, "ExceptionHandling", "FALSE");

        return rv;
    }

    Vector getBaseLinkerFlags(String outDir, String outDll, String platformName) {
        Vector rv = new Vector();

        addAttr(rv, "Name", "VCLinkerTool");
        addAttr(rv, "AdditionalOptions",
                "/export:JNI_GetDefaultJavaVMInitArgs " +
                "/export:JNI_CreateJavaVM " +
                "/export:JVM_FindClassFromBootLoader "+
                "/export:JNI_GetCreatedJavaVMs "+
                "/export:jio_snprintf /export:jio_printf "+
                "/export:jio_fprintf /export:jio_vfprintf "+
                "/export:jio_vsnprintf "+
                "/export:JVM_GetVersionInfo "+
                "/export:JVM_GetThreadStateNames "+
                "/export:JVM_GetThreadStateValues "+
                "/export:JVM_InitAgentProperties ");
        addAttr(rv, "AdditionalDependencies", "Wsock32.lib winmm.lib");
        addAttr(rv, "OutputFile", outDll);
        // Set /INCREMENTAL option. 1 is linkIncrementalNo
        addAttr(rv, "LinkIncremental", "1");
        addAttr(rv, "SuppressStartupBanner", "TRUE");
        addAttr(rv, "ModuleDefinitionFile", outDir+Util.sep+"vm.def");
        addAttr(rv, "ProgramDatabaseFile", outDir+Util.sep+"jvm.pdb");
        // Set /SUBSYSTEM option. 2 is subSystemWindows
        addAttr(rv, "SubSystem", "2");
        addAttr(rv, "BaseAddress", "0x8000000");
        addAttr(rv, "ImportLibrary", outDir+Util.sep+"jvm.lib");
        if(platformName.equals("Win32")) {
            // Set /MACHINE option. 1 is X86
            addAttr(rv, "TargetMachine", "1");
        } else {
            // Set /MACHINE option. 17 is X64
            addAttr(rv, "TargetMachine", "17");
        }

        return rv;
    }

    void  getDebugCompilerFlags_common(String opt,Vector rv) {

        // Set /On option
        addAttr(rv, "Optimization", opt);
        // Set /FR option. 1 is brAllInfo
        addAttr(rv, "BrowseInformation", "1");
        addAttr(rv, "BrowseInformationFile", "$(IntDir)" + Util.sep);
        // Set /MD option. 2 is rtMultiThreadedDLL
        addAttr(rv, "RuntimeLibrary", "2");
        // Set /Oy- option
        addAttr(rv, "OmitFramePointers", "FALSE");

    }

    Vector getDebugCompilerFlags(String opt) {
        Vector rv = new Vector();

        getDebugCompilerFlags_common(opt,rv);

        return rv;
    }

    Vector getDebugLinkerFlags() {
        Vector rv = new Vector();

        addAttr(rv, "GenerateDebugInformation", "TRUE"); // == /DEBUG option

        return rv;
    }

    void getAdditionalNonKernelLinkerFlags(Vector rv) {
        extAttr(rv, "AdditionalOptions",
                "/export:AsyncGetCallTrace ");
    }

    void getProductCompilerFlags_common(Vector rv) {
        // Set /O2 option. 2 is optimizeMaxSpeed
        addAttr(rv, "Optimization", "2");
        // Set /Oy- option
        addAttr(rv, "OmitFramePointers", "FALSE");
        // Set /Ob option.  1 is expandOnlyInline
        addAttr(rv, "InlineFunctionExpansion", "1");
        // Set /GF option.
        addAttr(rv, "StringPooling", "TRUE");
        // Set /MD option. 2 is rtMultiThreadedDLL
        addAttr(rv, "RuntimeLibrary", "2");
        // Set /Gy option
        addAttr(rv, "EnableFunctionLevelLinking", "TRUE");
    }

    Vector getProductCompilerFlags() {
        Vector rv = new Vector();

        getProductCompilerFlags_common(rv);

        return rv;
    }

    Vector getProductLinkerFlags() {
        Vector rv = new Vector();

        // Set /OPT:REF option. 2 is optReferences
        addAttr(rv, "OptimizeReferences", "2");
        // Set /OPT:optFolding option. 2 is optFolding
        addAttr(rv, "EnableCOMDATFolding", "2");

        return rv;
    }

    String getOptFlag() {
        return "2";
    }

    String getNoOptFlag() {
        return "0";
    }

    String makeCfgName(String flavourBuild, String platform) {
        return  flavourBuild + "|" + platform;
    }
}