/// <summary>
/// Constructs a instance of local Closure Compiler
/// </summary>
/// <param name="javaVmPath">Path to Java Virtual Machine</param>
/// <param name="closureCompilerAppPath">Path to Google Closure Compiler Application</param>
/// <param name="tempDirectoryPath">Absolute path to directory that contains temporary files</param>
/// <param name="commonExternsDependencies">List of common JS externs dependencies</param>
/// <param name="options">Compilation options</param>
public ClosureLocalJsCompiler(string javaVmPath, string closureCompilerAppPath,
string tempDirectoryPath, DependencyCollection commonExternsDependencies,
LocalJsCompilationOptions options)
: base(commonExternsDependencies)
{
_javaVmPath = javaVmPath;
_closureCompilerAppPath = closureCompilerAppPath;
_tempDirectoryPath = tempDirectoryPath;
_commonExternsTempDirectoryPath = string.Empty;
_commonExternsTempDirectoryCreated = false;
_commonExternsTempFilePaths = new List <string>();
_options = options ?? new LocalJsCompilationOptions();
_optionsString = ConvertCompilationOptionsToArgs(_options);
}
/// <summary>
/// Converts a compilation options to command line arguments
/// </summary>
/// <param name="options">Compilation options</param>
/// <returns>Command line arguments</returns>
private static string ConvertCompilationOptionsToArgs(LocalJsCompilationOptions options)
{
var stringBuilderPool = StringBuilderPool.Shared;
StringBuilder argsBuilder = stringBuilderPool.Rent();
if (options.AcceptConstKeyword)
{
argsBuilder.Append("--accept_const_keyword ");
}
if (options.AllowEs6Output)
{
argsBuilder.Append("--allow_es6_out ");
}
if (options.AngularPass)
{
argsBuilder.Append("--angular_pass ");
}
if (!string.IsNullOrWhiteSpace(options.Charset))
{
argsBuilder.AppendFormat("--charset {0} ", options.Charset);
}
argsBuilder.AppendFormat("--compilation_level {0} ", ConvertCompilationLevelEnumValueToCode(options.CompilationLevel));
IDictionary <string, string> defs = ParseDefinitions(options.DefinitionList);
if (defs.Count > 0)
{
foreach (KeyValuePair <string, string> def in defs)
{
string variableName = def.Key;
string variableValue = def.Value;
argsBuilder.Append("--define ");
argsBuilder.Append(variableName);
if (variableValue != null)
{
argsBuilder.AppendFormat("={0}", variableValue);
}
argsBuilder.Append(" ");
}
}
string[] errors = Utils.ConvertToStringCollection(options.ErrorList, ',',
trimItemValues: true, removeEmptyItems: true);
if (errors.Length > 0)
{
foreach (string warningClassName in errors)
{
argsBuilder.AppendFormat("--jscomp_error {0} ", warningClassName);
}
}
if (options.ExportLocalPropertyDefinitions)
{
argsBuilder.Append("--export_local_property_definitions ");
}
string[] extraAnnotationNames = Utils.ConvertToStringCollection(options.ExtraAnnotationNameList, ',',
trimItemValues: true, removeEmptyItems: true);
if (extraAnnotationNames.Length > 0)
{
foreach (string extraAnnotationName in extraAnnotationNames)
{
argsBuilder.AppendFormat("--extra_annotation_name {0} ", extraAnnotationName);
}
}
if (options.GenerateExports)
{
argsBuilder.Append("--generate_exports ");
}
ExperimentalLanguageSpec languageInput = options.LanguageInput;
if (languageInput != ExperimentalLanguageSpec.None)
{
argsBuilder.AppendFormat("--language_in {0} ", ConvertLanguageSpecEnumValueToCode(languageInput));
}
ExperimentalLanguageSpec languageOutput = (options.LanguageOutput != ExperimentalLanguageSpec.None) ?
options.LanguageOutput : languageInput;
if (languageOutput != ExperimentalLanguageSpec.None)
{
argsBuilder.AppendFormat("--language_out {0} ", ConvertLanguageSpecEnumValueToCode(languageOutput));
}
if (options.PrettyPrint)
{
argsBuilder.Append("--formatting PRETTY_PRINT ");
}
if (options.ProcessClosurePrimitives)
{
argsBuilder.Append("--process_closure_primitives ");
}
if (options.ProcessJqueryPrimitives)
{
argsBuilder.Append("--process_jquery_primitives ");
}
if (options.SingleQuotes)
{
argsBuilder.Append("--formatting SINGLE_QUOTES ");
}
if (options.ThirdParty)
{
argsBuilder.Append("--third_party ");
}
if (options.TranspileOnly)
{
argsBuilder.Append("--transpile_only ");
}
string[] turnOffWarningClasses = Utils.ConvertToStringCollection(options.TurnOffWarningClassList, ',',
trimItemValues: true, removeEmptyItems: true);
if (turnOffWarningClasses.Length > 0)
{
foreach (string warningClassName in turnOffWarningClasses)
{
argsBuilder.AppendFormat("--jscomp_off {0} ", warningClassName);
}
}
if (options.UseOnlyCustomExterns)
{
argsBuilder.Append("--use_only_custom_externs ");
}
if (options.UseTypesForOptimization)
{
argsBuilder.Append("--use_types_for_optimization ");
}
string[] warnings = Utils.ConvertToStringCollection(options.WarningList, ',',
trimItemValues: true, removeEmptyItems: true);
if (warnings.Length > 0)
{
foreach (string warningClassName in warnings)
{
argsBuilder.AppendFormat("--jscomp_warning {0} ", warningClassName);
}
}
int severity = options.Severity;
if (severity >= 0 && severity <= 3)
{
argsBuilder.Append("--warning_level ");
switch (severity)
{
case 0:
case 1:
argsBuilder.Append("QUIET ");
break;
case 2:
argsBuilder.Append("DEFAULT ");
break;
case 3:
argsBuilder.Append("VERBOSE ");
break;
}
}
string args = argsBuilder.ToString();
stringBuilderPool.Return(argsBuilder);
return(args);
}