Examples of flex2.compiler.config.ConfigurationBuffer

flex2.compiler.config.ConfigurationBuffer
The basic idea here is to let you keep all your configuration knowledge in your configuration object, and to automate as much as possible. Reflection is used to convert public fields and setters on your configuration object into settable vars. There are a few key concepts:
- You should be able to configure absolutely any object.
- Child configuration variables in your config become a dotted hierarchy of varnames
- All sources of configuration data are buffered and merged (as string var/vals) before committing to the final configuration. This class acts as the buffer.
- Hyphenated variables (i.e. "some-var") are automatically configured by calling your matching setter (i.e. setSomeVar)
- Implementing an getSomeVarInfo() method on your class lets you set up more complicated config objects
- You can make variables depend on other variables having been set first. This lets you set a root directory in one var and then use its value in another.
- Per-variable validation can be performed in setters. Overall validation should take place as a post-process step.
- You can keep ConfigurationBuffers around and merge multiple buffers together before committing. Most recent definitions always win.

The contract with your configuration class:
- You must provide a method with the signature "void setYourVar(ConfigurationValue val)" to set your config var. Your setter method should accept either a single arg of type List or String[], or else an arglist of simple types. For example "void myvar(int a, boolean b, String c")".
- You can implement a function with the signature "int yourvar_argcount()" to require a different number of arguments. This limit will be enforced by configurators (command line, file, etc.)
- If you provide a setter and explicit parameters (i.e. not List or String[]) the number of arguments will be automatically determined.
- Each argument to your configuration variable is assumed to have a (potentially non-unique) name. The default is the simple type of the argument (boolean, int, string). If the var takes an undetermined number of args via List or String[], the argname defaults to string.
- You can implement a function with the signature "String yourvar_argnames(int)" to provide names for each of the parameters. The integer passed in is the argument number. Return the same name (i.e. "item") for infinite lists.
- You can implement a function with the signature "String[] yourvar_deps()" to provide a list of other prerequisites for this var. You will be guaranteed that the deps are committed before your var, or else a configurationexception will be thrown if a prerequsite was unset. (Note that infinite cycles are not checked, so be careful.)
@author Roger Gonzalez

    }
  }


  public static final ConfigurationBuffer getCommandLineConfigurationBuffer(Logger logger, PathResolver resolver, String[] args)
  {
    ConfigurationBuffer cfgbuf = null;
    
        try
        {
      OEMUtil.init(logger, null, null, resolver, null);
      
          cfgbuf = new ConfigurationBuffer(CommandLineConfiguration.class, CommandLineConfiguration.getAliases());
          SystemPropertyConfigurator.load( cfgbuf, "flex" );
          CommandLineConfigurator.parse( cfgbuf, null, args);
        }
        catch (ConfigurationException ex)
        {

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        return cfgbuf;
  }
  
  public static final ConfigurationBuffer getCompcConfigurationBuffer(Logger logger, PathResolver resolver, String[] args)
  {
    ConfigurationBuffer cfgbuf = null;
    
        try
        {
      OEMUtil.init(logger, null, null, resolver, null);
      
          cfgbuf = new ConfigurationBuffer(CompcConfiguration.class, CompcConfiguration.getAliases());
          SystemPropertyConfigurator.load( cfgbuf, "flex" );
          CommandLineConfigurator.parse( cfgbuf, null, args);
        }
        catch (ConfigurationException ex)
        {

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        {
            // setup the path resolver
            CompilerAPI.usePathResolver();


            // process configuration
            ConfigurationBuffer cfgbuf = new ConfigurationBuffer(CompcConfiguration.class, CompcConfiguration.getAliases());
            cfgbuf.setDefaultVar("include-classes");
            DefaultsConfigurator.loadCompcDefaults( cfgbuf );
            CompcConfiguration configuration = (CompcConfiguration) Mxmlc.processConfiguration(
                ThreadLocalToolkit.getLocalizationManager(), "compc", s.args, cfgbuf, CompcConfiguration.class, "include-classes");


            CompilerAPI.setupHeadless(configuration);


            if (configuration.benchmark())
            {
                benchmark = CompilerAPI.runBenchmark();
                benchmark.startTime(Benchmark.PRECOMPILE);
            }
            else
            {
                CompilerAPI.disableBenchmark();
            }


            s.sourcePath.clearCache();
            s.bundlePath.clearCache();
            s.resources.refresh();


            // C: We don't really need to parse the manifest files again.
            CompilerConfiguration compilerConfig = configuration.getCompilerConfiguration();
            // note: if Configuration is ever shared with other parts of the system, then this part will need
            // to change, since we're setting a compc-specific setting below
            compilerConfig.setMetadataExport(true);


            NameMappings mappings = CompilerAPI.getNameMappings(configuration);


            Transcoder[] transcoders = WebTierAPI.getTranscoders( configuration );
            SubCompiler[] compilers = WebTierAPI.getCompilers(compilerConfig, mappings, transcoders);


            if (benchmark != null)
            {
                benchmark.benchmark(l10n.getLocalizedTextString(new InitialSetup()));
            }


            // load SWCs
            CompilerSwcContext swcContext = new CompilerSwcContext(true);
            // for compc the theme and include-libraries values have been purposely not passed in below.
            // This is done because the theme attribute doesn't make sense and the include-libraries value
            // actually causes issues when the default value is used with external libraries.
            // FIXME: why don't we just get rid of these values from the configurator for compc?  That's a problem
            // for include-libraries at least, since this value appears in flex-config.xml
            swcContext.load( compilerConfig.getLibraryPath(),
                             compilerConfig.getExternalLibraryPath(),
                             null,
                             null,
                             mappings,
                             I18nUtils.getTranslationFormat(compilerConfig),
                             s.swcCache );
            configuration.addExterns( swcContext.getExterns() );


            // recompile or incrementally compile...
            boolean recompile = false;
            int newChecksum = cfgbuf.checksum_ts() + swcContext.checksum();


            if (newChecksum != s.checksum)
            {
                ThreadLocalToolkit.logInfo(l10n.getLocalizedTextString(new DetectConfigurationChange()));
                s.checksum = newChecksum;

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        {
            // setup the path resolver
            CompilerAPI.usePathResolver();


            // process configuration
            ConfigurationBuffer cfgbuf = new ConfigurationBuffer(CommandLineConfiguration.class, Configuration.getAliases());
            cfgbuf.setDefaultVar(Mxmlc.FILE_SPECS);
            DefaultsConfigurator.loadDefaults( cfgbuf );
            CommandLineConfiguration configuration = (CommandLineConfiguration) Mxmlc.processConfiguration(
                ThreadLocalToolkit.getLocalizationManager(), "mxmlc", s.args, cfgbuf, CommandLineConfiguration.class, Mxmlc.FILE_SPECS);


            CompilerAPI.setupHeadless(configuration);


            if (configuration.benchmark())
            {
                benchmark = CompilerAPI.runBenchmark();
                benchmark.startTime(Benchmark.PRECOMPILE);
            }
            else
            {
                CompilerAPI.disableBenchmark();
            }


            s.sourcePath.clearCache();
            s.bundlePath.clearCache();
            s.resources.refresh();


            // C: We don't really need to parse the manifest files again.
            CompilerConfiguration compilerConfig = configuration.getCompilerConfiguration();
            NameMappings mappings = CompilerAPI.getNameMappings(configuration);


            Transcoder[] transcoders = WebTierAPI.getTranscoders( configuration );
            SubCompiler[] compilers = WebTierAPI.getCompilers(compilerConfig, mappings, transcoders);


            if (benchmark != null)
            {
                benchmark.benchmark(l10n.getLocalizedTextString(new InitialSetup()));
            }


            CompilerSwcContext swcContext = new CompilerSwcContext(true);
            swcContext.load( compilerConfig.getLibraryPath(),
                             Configuration.getAllExcludedLibraries(compilerConfig, configuration),
                             compilerConfig.getThemeFiles(),
                             compilerConfig.getIncludeLibraries(),
                             mappings,
                             I18nUtils.getTranslationFormat(compilerConfig),
                             s.swcCache );
            configuration.addExterns( swcContext.getExterns() );
            configuration.addIncludes( swcContext.getIncludes() );
            configuration.getCompilerConfiguration().addThemeCssFiles( swcContext.getThemeStyleSheets() );


            // recompile or incrementally compile...
            boolean recompile = false;
            int newChecksum = cfgbuf.checksum_ts() + swcContext.checksum();


            if (newChecksum != s.checksum)
            {
                ThreadLocalToolkit.logInfo(l10n.getLocalizedTextString(new DetectConfigurationChange()));
                s.checksum = newChecksum;

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        {
            // setup the path resolver
            CompilerAPI.usePathResolver();


            // process configuration
            ConfigurationBuffer cfgbuf = new ConfigurationBuffer(CommandLineConfiguration.class, Configuration.getAliases());
            cfgbuf.setDefaultVar(Mxmlc.FILE_SPECS);
            DefaultsConfigurator.loadDefaults( cfgbuf );
            CommandLineConfiguration configuration = (CommandLineConfiguration) Mxmlc.processConfiguration(
                ThreadLocalToolkit.getLocalizationManager(), "mxmlc", args, cfgbuf, CommandLineConfiguration.class, Mxmlc.FILE_SPECS);
            s.configuration = configuration;


            CompilerAPI.setupHeadless(configuration);


            if (configuration.benchmark())
            {
                benchmark = CompilerAPI.runBenchmark();
                benchmark.startTime(Benchmark.PRECOMPILE);
            }
            else
            {
                CompilerAPI.disableBenchmark();
            }


            String target = configuration.getTargetFile();
            targets.put("" + id, s);
            s.args = args;


            // make sure targetFile abstract pathname is an absolute path...
            VirtualFile targetFile = CompilerAPI.getVirtualFile(target);
            WebTierAPI.checkSupportedTargetMimeType(targetFile);
            List<VirtualFile> virtualFileList = CompilerAPI.getVirtualFileList(configuration.getFileList());


            CompilerConfiguration compilerConfig = configuration.getCompilerConfiguration();
            NameMappings mappings = CompilerAPI.getNameMappings(configuration);


            Transcoder[] transcoders = WebTierAPI.getTranscoders( configuration );
            SubCompiler[] compilers = WebTierAPI.getCompilers(compilerConfig, mappings, transcoders);


            // construct the SWF file name...
            VirtualFile projector = configuration.getProjector();


            if (projector != null && projector.getName().endsWith("avmplus.exe"))
            {
                // output .exe
                s.outputName = configuration.getOutput();
                if (s.outputName == null)
                {
                    s.outputName = targetFile.getName();
                    s.outputName = s.outputName.substring(0, s.outputName.lastIndexOf('.')) + ".exe";
                }
            }
            else
            {
                // output SWF
                s.outputName = configuration.getOutput();
                if (s.outputName == null)
                {
                    s.outputName = targetFile.getName();
                    if (projector != null)
                    {
                        s.outputName = s.outputName.substring(0, s.outputName.lastIndexOf('.')) + ".exe";
                    }
                    else
                    {
                        s.outputName = s.outputName.substring(0, s.outputName.lastIndexOf('.')) + ".swf";
                    }
                }
            }


            VirtualFile[] asClasspath = compilerConfig.getSourcePath();


            // create a FileSpec...
            s.fileSpec = new FileSpec(Collections.<VirtualFile>emptyList(), WebTierAPI.getFileSpecMimeTypes());


            // create a SourceList
            s.sourceList = new SourceList(virtualFileList, asClasspath, targetFile, WebTierAPI.getSourcePathMimeTypes());


            // create a SourcePath...
            s.sourcePath = new SourcePath(asClasspath, targetFile, WebTierAPI.getSourcePathMimeTypes(),
                                          compilerConfig.allowSourcePathOverlap());


            // create a ResourceContainer...
            s.resources = new ResourceContainer();


            // create a ResourceBundlePath...
            s.bundlePath = new ResourceBundlePath(configuration.getCompilerConfiguration(), targetFile);


            if (benchmark != null)
            {
                benchmark.benchmark(l10n.getLocalizedTextString(new InitialSetup()));
            }


            // load SWCs
            s.swcCache = new SwcCache();
            
            CompilerSwcContext swcContext = new CompilerSwcContext(true);
            swcContext.load( compilerConfig.getLibraryPath(),
                             Configuration.getAllExcludedLibraries(compilerConfig, configuration),
                             compilerConfig.getThemeFiles(),
                             compilerConfig.getIncludeLibraries(),
                             mappings,
                             I18nUtils.getTranslationFormat(compilerConfig),
                             s.swcCache );
            configuration.addExterns( swcContext.getExterns() );
            configuration.addIncludes( swcContext.getIncludes() );
            configuration.getCompilerConfiguration().addThemeCssFiles( swcContext.getThemeStyleSheets() );


               s.checksum = cfgbuf.checksum_ts() + swcContext.checksum();


            final SymbolTable symbolTable = new SymbolTable(configuration);
            s.perCompileData = symbolTable.perCompileData;


            Map licenseMap = configuration.getLicensesConfiguration().getLicenseMap();

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        {
            // setup the path resolver
            CompilerAPI.usePathResolver();


            // process configuration
            ConfigurationBuffer cfgbuf = new ConfigurationBuffer(CompcConfiguration.class, CompcConfiguration.getAliases());
            cfgbuf.setDefaultVar("include-classes");
            DefaultsConfigurator.loadCompcDefaults( cfgbuf );
            CompcConfiguration configuration = (CompcConfiguration) Mxmlc.processConfiguration(
                ThreadLocalToolkit.getLocalizationManager(), "compc", args, cfgbuf, CompcConfiguration.class, "include-classes");
            s.configuration = configuration;


            CompilerAPI.setupHeadless(configuration);


            if (configuration.benchmark())
            {
                benchmark = CompilerAPI.runBenchmark();
                benchmark.startTime(Benchmark.PRECOMPILE);
            }
            else
            {
                CompilerAPI.disableBenchmark();
            }


            targets.put("" + id, s);
            s.args = args;


            String[] sourceMimeTypes = WebTierAPI.getSourcePathMimeTypes();


            CompilerConfiguration compilerConfig = configuration.getCompilerConfiguration();


            // create a SourcePath...
            s.sourcePath = new SourcePath(sourceMimeTypes, compilerConfig.allowSourcePathOverlap());
            s.sourcePath.addPathElements( compilerConfig.getSourcePath() );


            List<VirtualFile>[] array
                = CompilerAPI.getVirtualFileList(configuration.getIncludeSources(), configuration.getStylesheets().values(),
                                                        new HashSet<String>(Arrays.asList(sourceMimeTypes)), s.sourcePath.getPaths());


            NameMappings mappings = CompilerAPI.getNameMappings(configuration);


            // note: if Configuration is ever shared with other parts of the system, then this part will need
            // to change, since we're setting a compc-specific setting below
            compilerConfig.setMetadataExport(true);


            //    get standard bundle of compilers, transcoders
            Transcoder[] transcoders = WebTierAPI.getTranscoders( configuration );
            SubCompiler[] compilers = WebTierAPI.getCompilers(compilerConfig, mappings, transcoders);


            // construct the SWC file name...
            s.outputName = FileUtil.getCanonicalPath(FileUtil.openFile(configuration.getOutput()));


            // create a FileSpec...
            s.fileSpec = new FileSpec(array[0], WebTierAPI.getFileSpecMimeTypes(), false);


            // create a SourceList...
            s.sourceList = new SourceList(array[1], compilerConfig.getSourcePath(), null,
                                                   WebTierAPI.getSourceListMimeTypes(), false);


            // create a ResourceContainer...
            s.resources = new ResourceContainer();


            // create a ResourceBundlePath...
            s.bundlePath = new ResourceBundlePath(configuration.getCompilerConfiguration(), null);


            if (benchmark != null)
            {
                benchmark.benchmark(l10n.getLocalizedTextString(new InitialSetup()));
            }


            // load SWCs
            s.swcCache = new SwcCache();
            
            CompilerSwcContext swcContext = new CompilerSwcContext(true);
            // for compc the theme and include-libraries values have been purposely not passed in below.
            // This is done because the theme attribute doesn't make sense and the include-libraries value
            // actually causes issues when the default value is used with external libraries.
            // FIXME: why don't we just get rid of these values from the configurator for compc?  That's a problem
            // for include-libraries at least, since this value appears in flex-config.xml
            swcContext.load( compilerConfig.getLibraryPath(),
                             compilerConfig.getExternalLibraryPath(),
                             null,
                             null,
                             mappings,
                             I18nUtils.getTranslationFormat(compilerConfig),
                             s.swcCache );
            configuration.addExterns( swcContext.getExterns() );


               s.checksum = cfgbuf.checksum_ts() + swcContext.checksum();


            final SymbolTable symbolTable = new SymbolTable(configuration);
            s.perCompileData = symbolTable.perCompileData;


            Map licenseMap = configuration.getLicensesConfiguration().getLicenseMap();

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            // setup the console logger. the configuration parser needs a logger.
            CompilerAPI.useConsoleLogger();


            // process configuration
            ConfigurationBuffer cfgbuf = new ConfigurationBuffer(DependencyRootConfiguration.class, Configuration.getAliases());
            DefaultsConfigurator.loadDefaults( cfgbuf );


            DependencyRootConfiguration configuration = (DependencyRootConfiguration) Mxmlc.processConfiguration(
                        l10n, "swcdepends", args, cfgbuf, DependencyRootConfiguration.class, "no-default-arg");

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    // create of list of options that we want. All the other options that 
    // we inherit will be filtered out.
    final String[] configVars = new String[]{"help", "version", "load-config", "input", "output",
                         "compiler.keep-as3-metadata", "compiler.debug"};
    Arrays.sort(configVars);
    ConfigurationBuffer cfgbuf = new ConfigurationBuffer(OptimizerConfiguration.class, 
        new HashMap<String, String>(),
        new ConfigurationFilter() {


      public boolean select(String name)
      {
        return Arrays.binarySearch(configVars, name) >= 0;
      }


    });
    
        cfgbuf.setDefaultVar("input");
        try
        {
          DefaultsConfigurator.loadMinimumDefaults(cfgbuf);
          OptimizerConfiguration configuration = (OptimizerConfiguration) Mxmlc.processConfiguration(
                  l10n, "optimizer", args, cfgbuf, OptimizerConfiguration.class, "input", true);

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  }


  private static void digestTool(String[] args)
  {
    
        ConfigurationBuffer cfgbuf = new ConfigurationBuffer(DigestRootConfiguration.class, 
                                      DigestConfiguration.getAliases());
        try
        {
            // setup the path resolver
          flex2.compiler.CompilerAPI.usePathResolver();

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    public static void compc(String[] args)
    {
        CompilerAPI.useAS3();


        Benchmark benchmark = null;
        ConfigurationBuffer cfgbuf = new ConfigurationBuffer(CompcConfiguration.class, CompcConfiguration.getAliases());


        // Do not set this.  The include-classes should be included in the configuration buffer checksum so changes
        // to the class list can be detected during incremental builds.
        //cfgbuf.setDefaultVar("include-classes");

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