public async Task <JObject> GetMarkdownIt(string text)
{
_jsengine = _jsengine ?? JsEngineSwitcher.Instance.CreateDefaultEngine();
var version = "8.4.0";
if (_mardownit == null)
{
_mardownit = await _httpClient.GetStringAsync($"https://raw.githubusercontent.com/markdown-it/markdown-it/{version}/dist/markdown-it.min.js");
_jsengine.Execute(_mardownit);
_jsengine.Evaluate("var MarkdownIt = markdownit();");
}
var inputval = "input_" + Guid.NewGuid().ToString().Replace("-", "_");
_jsengine.SetVariableValue(inputval, text);
var script = $"MarkdownIt.render({inputval});";
var result = _jsengine.Evaluate(script)?.ToString();
_jsengine.RemoveVariable(inputval);
var jsonResult = new JObject
{
["name"] = "markdown-it",
["version"] = version,
["html"] = result
};
return(jsonResult);
}
public void Initialize()
{
_jsEngine = _jsEngineFactory.CreateEngine();
// Execute each bundle
foreach (var reactBundleFile in ReactServerSideBundle.BundleFiles)
{
// Fix console is undefined errors
_jsEngine.Evaluate("if (typeof console === 'undefined') console = { log: function() {}, error: function() {} };");
if (reactBundleFile.ToLowerInvariant().StartsWith("http"))
{
var contents = new HttpClient().GetStringAsync(reactBundleFile).Result;
_jsEngine.Evaluate(contents);
//var newCode = _jsEngine.Precompile(contents);
//_jsEngine.Execute(newCode);
}
else
{
_jsEngine.ExecuteFile(_mapServerPath.MapServerPath(reactBundleFile), null);
}
}
}
public ProcessHostedWithChakraCore(string javascriptPreparedToRun)
{
javascriptEngine = new ChakraCoreJsEngine(
new ChakraCoreSettings
{
DisableEval = true,
EnableExperimentalFeatures = true
}
);
var initAppResult = javascriptEngine.Evaluate(javascriptPreparedToRun);
var resetAppStateResult = javascriptEngine.Evaluate(
ProcessFromElm019Code.appStateJsVarName + " = " + ProcessFromElm019Code.initStateJsFunctionPublishedSymbol + ";");
}
/// <summary>
/// "Optimizes" a CSS code by using Sergey Kryzhanovsky's CSSO
/// </summary>
/// <param name="content">Text content of CSS asset</param>
/// <param name="path">Path to CSS file</param>
/// <returns>Minified text content of CSS asset</returns>
public string Optimize(string content, string path)
{
Initialize();
string newContent;
try
{
var result = _jsEngine.Evaluate <string>(
string.Format(OPTIMIZATION_FUNCTION_CALL_TEMPLATE,
JsonConvert.SerializeObject(content),
_optionsString));
var json = JObject.Parse(result);
var errors = json["errors"] != null ? json["errors"] as JArray : null;
if (errors != null && errors.Count > 0)
{
throw new CssOptimizationException(FormatErrorDetails(errors[0], content, path));
}
newContent = json.Value <string>("minifiedCode");
}
catch (JsRuntimeException e)
{
throw new CssOptimizationException(JsErrorHelpers.Format(e));
}
return(newContent);
}
public async Task <JObject> GetCommonMarkJs(string text)
{
_jsengine = _jsengine ?? JsEngineSwitcher.Instance.CreateDefaultEngine();
var version = "0.28.1";
if (_commonmarkjs == null)
{
_commonmarkjs = await _httpClient.GetStringAsync($"https://raw.githubusercontent.com/commonmark/commonmark.js/{version}/dist/commonmark.min.js");
_jsengine.Execute(_commonmarkjs);
}
var inputval = "input_" + Guid.NewGuid().ToString().Replace("-", "_");
_jsengine.SetVariableValue(inputval, text);
var script = $"(new commonmark.HtmlRenderer()).render((new commonmark.Parser()).parse({inputval}));";
var result = _jsengine.Evaluate(script)?.ToString();
_jsengine.RemoveVariable(inputval);
var jsonResult = new JObject
{
["name"] = "commonmark.js",
["version"] = version,
["html"] = result
};
return(jsonResult);
}
/// <summary>
/// Actualizes a vendor prefixes in CSS code by using Andrey Sitnik's Autoprefixer
/// </summary>
/// <param name="content">Text content of CSS asset</param>
/// <param name="path">Path to CSS asset</param>
/// <returns>Autoprefixing result</returns>
public AutoprefixingResult Process(string content, string path)
{
Initialize();
AutoprefixingResult autoprefixingResult;
try
{
var result = _jsEngine.Evaluate <string>(
string.Format(AUTOPREFIXING_FUNCTION_CALL_TEMPLATE,
JsonConvert.SerializeObject(content), _optionsString));
var json = JObject.Parse(result);
var errors = json["errors"] != null ? json["errors"] as JArray : null;
if (errors != null && errors.Count > 0)
{
throw new CssAutoprefixingException(FormatErrorDetails(errors[0], content, path));
}
autoprefixingResult = new AutoprefixingResult
{
ProcessedContent = json.Value <string>("processedCode"),
IncludedFilePaths = GetIncludedFilePaths(_options.Stats)
};
}
catch (JsRuntimeException e)
{
throw new CssAutoprefixingException(JsErrorHelpers.Format(e));
}
return(autoprefixingResult);
}
/// <summary>
/// "Compiles" Handlebars template to JS code
/// </summary>
/// <param name="content">Text content of Handlebars template</param>
/// <param name="path">Path to Handlebars file</param>
/// <returns>Translated Handlebars template</returns>
public string Compile(string content, string path)
{
Initialize();
string newContent;
try
{
var result = _jsEngine.Evaluate <string>(
string.Format(COMPILATION_FUNCTION_CALL_TEMPLATE,
JsonConvert.SerializeObject(content),
_optionsString));
var json = JObject.Parse(result);
var errors = json["errors"] != null ? json["errors"] as JArray : null;
if (errors != null && errors.Count > 0)
{
throw new HandlebarsCompilationException(FormatErrorDetails(errors[0], content, path));
}
var compiledCode = json.Value <string>("compiledCode");
bool isPartial;
string templateName = GetTemplateName(path, _options.RootPath, out isPartial);
newContent = WrapCompiledTemplateCode(compiledCode, _options.Namespace,
templateName, isPartial);
}
catch (JsRuntimeException e)
{
throw new HandlebarsCompilationException(JsErrorHelpers.Format(e));
}
return(newContent);
}
/// <summary>
/// "Compiles" CoffeeScript code to JS code
/// </summary>
/// <param name="content">Text content written on CoffeeScript</param>
/// <param name="path">Path to CoffeeScript file</param>
/// <returns>Translated CoffeeScript code</returns>
public string Compile(string content, string path)
{
Initialize();
string newContent;
string optionsString = ConvertCompilationOptionsToJson(path, _options).ToString();
try
{
var result = _jsEngine.Evaluate <string>(
string.Format(COMPILATION_FUNCTION_CALL_TEMPLATE,
JsonConvert.SerializeObject(content),
optionsString));
var json = JObject.Parse(result);
var errors = json["errors"] != null ? json["errors"] as JArray : null;
if (errors != null && errors.Count > 0)
{
throw new CoffeeScriptCompilationException(FormatErrorDetails(errors[0], content, path));
}
newContent = json.Value <string>("compiledCode");
}
catch (JsRuntimeException e)
{
throw new CoffeeScriptCompilationException(JsErrorHelpers.Format(e));
}
return(newContent);
}
public string Compile(string content, string path, BabelJsCompilationOptions options = null)
{
string newContent;
var currentOptionsString = ConvertCompilationOptionsToJson(options ?? _defaultOptions, path).ToString(Formatting.None);
lock (_compilationSynchronizer)
{
Initialize();
try
{
var result = _jsEngine.Evaluate <string>(
string.Format(COMPILATION_FUNCTION_CALL_TEMPLATE,
JsonConvert.SerializeObject(content),
currentOptionsString));
var json = JObject.Parse(result);
var errors = json["errors"] as JArray;
if (errors != null && errors.Count > 0)
{
throw new BabelJsCompilerException(FormatErrorDetails(errors[0], content, path));
}
newContent = json.Value <string>("compiledCode");
}
catch (JsRuntimeException e)
{
throw new Exception(JsRuntimeErrorHelpers.Format(e));
}
}
return(newContent);
}
/// <summary>
/// Ensures that Babel has been loaded into the JavaScript engine.
/// </summary>
private void EnsureBabelLoaded(IJsEngine engine)
{
// If Babel is disabled in the config, don't even try loading it
if (!_config.LoadBabel)
{
throw new BabelNotLoadedException();
}
var babelLoaded = engine.Evaluate <bool>("typeof ReactNET_transform !== 'undefined'");
if (!babelLoaded)
{
#if NET40
var assembly = typeof(ReactEnvironment).Assembly;
#else
var assembly = typeof(ReactEnvironment).GetTypeInfo().Assembly;
#endif
const string resourceName = "React.Core.Resources.babel.generated.min.js";
if (_config.AllowJavaScriptPrecompilation &&
engine.TryExecuteResourceWithPrecompilation(_cache, resourceName, assembly))
{
// Do nothing.
}
else
{
engine.ExecuteResource(resourceName, assembly);
}
}
}
public static string GetCondition(List <string> constants, List <int> useConstants, string condition, string className)
{
GetJsEngineSwitcher();
return(antiDupCache.GetOrAdd(condition, () =>
{
var js = @"var antlr4={};
antlr4.Token={};
antlr4.Token.EOF=-1;
var {3}={};
{3}.EOF = antlr4.Token.EOF;
{0}
var testNums=[{1}];
var result=[];
for(var i=0;i<testNums.length;i++){
var _la=testNums[i];
if({2}){
result.push(_la)
}
}
outResult=result.join(',');
";
js = js.Replace("{0}", string.Join("\r\n", constants));
js = js.Replace("{1}", string.Join(",", useConstants));
js = js.Replace("{2}", condition);
js = js.Replace("{3}", className);
IJsEngine engine = JsEngineSwitcher.Current.CreateEngine(JintJsEngine.EngineName);
engine.SetVariableValue("outResult", "");
engine.Evaluate(js);
var result = engine.GetVariableValue <string>("outResult");
engine.Dispose();
return result;
}));
}
public override IRow Operate(IRow row)
{
foreach (var field in _input)
{
_engine.SetVariableValue(field.Alias, row[field]);
}
try {
var value = Context.Field.Convert(_engine.Evaluate(Context.Operation.Script));
if (value == null && !_errors.ContainsKey(0))
{
Context.Error($"{_engine.Name} transform in {Context.Field.Alias} returns null!");
_errors[0] = $"{_engine.Name} transform in {Context.Field.Alias} returns null!";
}
else
{
row[Context.Field] = value;
}
} catch (JsRuntimeException jse) {
if (!_errors.ContainsKey(jse.LineNumber))
{
Context.Error("Script: " + Context.Operation.Script.Replace("{", "{{").Replace("}", "}}"));
Context.Error(jse, "Error Message: " + jse.Message);
Context.Error("Variables:");
foreach (var field in _input)
{
Context.Error($"{field.Alias}:{row[field]}");
}
_errors[jse.LineNumber] = jse.Message;
}
}
return(row);
}
/// <summary>
/// Ensures that Babel has been loaded into the JavaScript engine.
/// </summary>
private void EnsureBabelLoaded(IJsEngine engine)
{
// If Babel is disabled in the config, don't even try loading it
if (!_config.LoadBabel)
{
throw new BabelNotLoadedException();
}
var babelLoaded = engine.Evaluate <bool>("typeof ReactNET_transform !== 'undefined'");
if (!babelLoaded)
{
#if NET40
var assembly = typeof(ReactEnvironment).Assembly;
#else
var assembly = typeof(ReactEnvironment).GetTypeInfo().Assembly;
#endif
string resourceName = _config.BabelVersion == BabelVersions.Babel7 || _config.BabelVersion == null
? "React.Core.Resources.babel.generated.min.js"
: _config.BabelVersion == BabelVersions.Babel6
? "React.Core.Resources.babel-legacy.generated.min.js"
: throw new ReactConfigurationException("BabelVersion was not null, but did not contain a valid value.");
if (_config.AllowJavaScriptPrecompilation &&
engine.TryExecuteResourceWithPrecompilation(_cache, resourceName, assembly))
{
// Do nothing.
}
else
{
engine.ExecuteResource(resourceName, assembly);
}
}
}
/// <summary>
/// Performs a sanity check to ensure the specified engine type is usable.
/// </summary>
/// <param name="engine">Engine to test</param>
/// <param name="allowMsie">Whether the MSIE engine can be used</param>
/// <returns></returns>
private static bool EngineIsUsable(IJsEngine engine, bool allowMsie)
{
var isUsable = engine.Evaluate <int>("1 + 1") == 2;
var isMsie = engine is MsieJsEngine;
return(isUsable && (!isMsie || allowMsie));
}
/// <summary>
/// Performs a sanity check to ensure the specified engine type is usable.
/// </summary>
/// <param name="engine">Engine to test</param>
/// <param name="allowMsie">Whether the MSIE engine can be used</param>
/// <returns></returns>
private static bool EngineIsUsable(IJsEngine engine, bool allowMsie)
{
// Perform a sanity test to ensure this engine is usable
var isUsable = engine.Evaluate <int>("1 + 1") == 2;
var isMsie = engine is MsieJsEngine;
return(isUsable && (!isMsie || allowMsie));
}
private CompilationResult InnerCompile(string content, bool indentedSyntax, string inputPath,
string outputPath, string sourceMapPath, CompilationOptions options)
{
InitializeCompiler();
string inputFilePath = inputPath;
string outputFilePath = outputPath;
string sourceMapFilePath = sourceMapPath;
ProcessFilePaths(ref inputFilePath, ref outputFilePath, ref sourceMapFilePath);
string serializedContent = _jsonSerializer.SerializePrimitiveType(content);
string serializedIndentedSyntax = _jsonSerializer.SerializePrimitiveType(indentedSyntax);
string serializedInputPath = _jsonSerializer.SerializePrimitiveType(inputFilePath);
string serializedOutputPath = _jsonSerializer.SerializePrimitiveType(outputFilePath);
string serializedSourceMapPath = _jsonSerializer.SerializePrimitiveType(sourceMapFilePath);
string serializedOptions = options != null?_jsonSerializer.SerializeObject(options) : "null";
CompilationResult compilationResult = null;
try
{
string serializedResult = _jsEngine.Evaluate <string>($"sassHelper.compile({serializedContent}, " +
$"{serializedIndentedSyntax}, {serializedInputPath}, {serializedOutputPath}, " +
$"{serializedSourceMapPath}, {serializedOptions});");
compilationResult = _jsonSerializer.DeserializeObject <CompilationResult>(serializedResult);
}
catch (SassCompilationException)
{
throw;
}
catch (JsException e)
{
throw new SassCompilationException(
string.Format(Strings.Compiler_JsErrorDuringCompilation, e.Message), e)
{
Description = e.Message,
File = inputPath ?? string.Empty
};
}
return(compilationResult);
}
public string Transform(string markdown)
{
_jsEngine.Evaluate(@"marked.setOptions({
highlight: function (code) {
return hljs.highlightAuto(code).value;
}
});"
);
return(_jsEngine.CallFunction <string>("marked", markdown));
}
/// <summary>
/// "Cleans" CSS code by using Clean-css
/// </summary>
/// <param name="content">Text content of CSS asset</param>
/// <param name="path">Path to CSS file</param>
/// <returns>Minified text content of CSS asset</returns>
public string Clean(string content, string path)
{
Initialize();
string newContent;
try
{
var result = _jsEngine.Evaluate <string>(
string.Format(CLEANING_FUNCTION_CALL_TEMPLATE,
JsonConvert.SerializeObject(content), _optionsString));
var json = JObject.Parse(result);
var errors = json["errors"] != null ? json["errors"] as JArray : null;
if (errors != null && errors.Count > 0)
{
throw new CssCleaningException(FormatErrorDetails(errors[0].Value <string>(), true,
path));
}
if (_options.Severity > 0)
{
var warnings = json["warnings"] != null ? json["warnings"] as JArray : null;
if (warnings != null && warnings.Count > 0)
{
throw new CssCleaningException(FormatErrorDetails(warnings[0].Value <string>(),
false, path));
}
}
newContent = json.Value <string>("minifiedCode");
}
catch (JsScriptException e)
{
string errorDetails = JsErrorHelpers.GenerateErrorDetails(e, true);
var stringBuilderPool = StringBuilderPool.Shared;
StringBuilder errorMessageBuilder = stringBuilderPool.Rent();
errorMessageBuilder.AppendLine(e.Message);
errorMessageBuilder.AppendLine();
errorMessageBuilder.Append(errorDetails);
string errorMessage = errorMessageBuilder.ToString();
stringBuilderPool.Return(errorMessageBuilder);
throw new CssCleaningException(errorMessage);
}
return(newContent);
}
public async Task <ComicPage[]> GetPagesAsync(string targetUrl)
{
var blocks = new List <ComicPage>();
string str = null;
using (var sr = new StreamReader(await CreateRequest(targetUrl)))
{
str = sr.ReadToEnd();
}
var match = regex.Match(str);
var sc = match.Groups[0].Value + ";pages;";
var strx = v8.Evaluate(sc)?.ToString();
if (strx is null)
{
#if NETSTANDARD1_3 || NET452
return(new ComicPage[0]);
#else
return(Array.Empty <ComicPage>());
#endif
}
string[] inn = null;
var visitor = JsonVisitor.FromString(strx.Replace("\r\n", "$@$"));
try
{
if (strx.StartsWith("{"))
{
inn = visitor["page_url"].ToString().Split(new[] { "$@$" }, StringSplitOptions.RemoveEmptyEntries);
}
else
{
inn = visitor.ToEnumerable().Select(x => x.ToString()).ToArray();
}
foreach (var item in inn)
{
var val = item.ToString().Trim();
var name = HttpUtility.UrlDecode(val.Split('/').Last());
blocks.Add(new ComicPage
{
Name = name,
TargetUrl = "https://images.dmzj.com/" + val
});
}
}
finally
{
visitor.Dispose();
}
return(blocks.ToArray());
}
/// <summary>
/// Gets a factory for the most appropriate JavaScript engine for the current environment.
/// The first functioning JavaScript engine with the lowest priority will be used.
/// </summary>
/// <returns>Function to create JavaScript engine</returns>
private static Func <IJsEngine> GetFactory(IEnumerable <Registration> availableFactories)
{
var availableEngineFactories = availableFactories
.OrderBy(x => x.Priority)
.Select(x => x.Factory);
foreach (var engineFactory in availableEngineFactories)
{
IJsEngine engine = null;
try
{
engine = engineFactory();
// Perform a sanity test to ensure this engine is usable
if (engine.Evaluate <int>("1 + 1") == 2)
{
// Success! Use this one.
return(engineFactory);
}
}
catch (Exception ex)
{
// This engine threw an exception, try the next one
Trace.WriteLine(string.Format("Error initialising {0}: {1}", engineFactory, ex));
}
finally
{
if (engine != null)
{
engine.Dispose();
}
}
}
// Epic fail, none of the engines worked. Nothing we can do now.
// Throw an error relevant to the engine they should be able to use.
if (JavaScriptEngineUtils.EnvironmentSupportsClearScript())
{
JavaScriptEngineUtils.EnsureEngineFunctional <V8JsEngine, ClearScriptV8InitialisationException>(
ex => new ClearScriptV8InitialisationException(ex.Message)
);
}
else if (JavaScriptEngineUtils.EnvironmentSupportsVroomJs())
{
JavaScriptEngineUtils.EnsureEngineFunctional <VroomJsEngine, VroomJsInitialisationException>(
ex => new VroomJsInitialisationException(ex.Message)
);
}
throw new ReactEngineNotFoundException();
}
/// <summary>
/// Ensures that Babel has been loaded into the JavaScript engine.
/// </summary>
private void EnsureBabelLoaded(IJsEngine engine)
{
// If Babel is disabled in the config, don't even try loading it
if (!_config.LoadBabel)
{
throw new BabelNotLoadedException();
}
var babelLoaded = engine.Evaluate <bool>("typeof global.Babel !== 'undefined'");
if (!babelLoaded)
{
engine.ExecuteResource("React.node_modules.babel_core.browser.js", typeof(ReactEnvironment).Assembly);
}
}
public string Transform(string markdown)
{
string result;
lock (_compilationSynchronizer)
{
Initialize();
_jsEngine.SetVariableValue("_markdownString", markdown);
result = _jsEngine.Evaluate <string>("markedHelper.compile(_markdownString)");
}
return(HtmlUtility.SanitizeHtml(result));
}
/// <summary>
/// Ensures that Babel has been loaded into the JavaScript engine.
/// </summary>
private void EnsureBabelLoaded(IJsEngine engine)
{
// If Babel is disabled in the config, don't even try loading it
if (!_config.LoadBabel)
{
throw new BabelNotLoadedException();
}
var babelLoaded = engine.Evaluate <bool>("typeof ReactNET_transform !== 'undefined'");
if (!babelLoaded)
{
engine.ExecuteResource("React.Resources.babel.generated.min.js", typeof(ReactEnvironment).Assembly);
}
}
/// <summary>
/// Initializes a Sass compiler
/// </summary>
private void InitializeCompiler()
{
if (_initialized)
{
return;
}
lock (_initializationSynchronizer)
{
if (_initialized)
{
return;
}
string serializedOptions = _jsonSerializer.SerializeObject(_options);
try
{
_jsEngine = _createJsEngineInstance();
_jsEngine.EmbedHostObject(FILE_MANAGER_VARIABLE_NAME, _fileManager);
_jsEngine.SetVariableValue(CURRENT_OS_PLATFORM_NAME, GetCurrentOSPlatformName());
Assembly assembly = this.GetType()
#if !NET40
.GetTypeInfo()
#endif
.Assembly
;
_jsEngine.ExecuteResource(ResourceHelpers.GetResourceName(ES6_POLYFILLS_FILE_NAME), assembly, true);
_jsEngine.ExecuteResource(ResourceHelpers.GetResourceName(SASS_LIBRARY_FILE_NAME), assembly, true);
_jsEngine.ExecuteResource(ResourceHelpers.GetResourceName(SASS_HELPER_FILE_NAME), assembly, true);
_jsEngine.Execute($"var sassHelper = new SassHelper({serializedOptions});");
_version = _jsEngine.Evaluate <string>("SassHelper.getVersion();");
}
catch (JsEngineLoadException e)
{
throw SassErrorHelpers.WrapCompilerLoadException(e);
}
catch (JsException e)
{
throw SassErrorHelpers.WrapCompilerLoadException(e, true);
}
_initialized = true;
}
}
/// <summary>
/// "Compiles" a TypeScript code to JS code
/// </summary>
/// <param name="path">Path to TypeScript file</param>
/// <returns>Compilation result</returns>
public CompilationResult Compile(string path)
{
Initialize();
CompilationResult compilationResult;
try
{
var result = _jsEngine.Evaluate <string>(string.Format(COMPILATION_FUNCTION_CALL_TEMPLATE,
JsonConvert.SerializeObject(path),
_optionsString));
var json = JObject.Parse(result);
var errors = json["errors"] != null ? json["errors"] as JArray : null;
if (errors != null && errors.Count > 0)
{
throw new TypeScriptCompilationException(FormatErrorDetails(errors[0], path));
}
compilationResult = new CompilationResult
{
CompiledContent = json.Value <string>("compiledCode"),
IncludedFilePaths = json.Value <JArray>("includedFilePaths")
.ToObject <IList <string> >()
.Distinct(StringComparer.OrdinalIgnoreCase)
.Where(p => !p.Equals(path, StringComparison.OrdinalIgnoreCase))
.ToList()
};
}
catch (JsScriptException e)
{
string errorDetails = JsErrorHelpers.GenerateErrorDetails(e, true);
var stringBuilderPool = StringBuilderPool.Shared;
StringBuilder errorMessageBuilder = stringBuilderPool.Rent();
errorMessageBuilder.AppendLine(e.Message);
errorMessageBuilder.AppendLine();
errorMessageBuilder.Append(errorDetails);
string errorMessage = errorMessageBuilder.ToString();
stringBuilderPool.Return(errorMessageBuilder);
throw new TypeScriptCompilationException(errorMessage);
}
return(compilationResult);
}
public async Task <ComicPage[]> GetPagesAsync(string targetUrl)
{
var str = string.Empty;
using (var sr = new StreamReader(await GetStreamAsync(targetUrl)))
{
str = sr.ReadToEnd();
}
var html = new HtmlDocument();
html.LoadHtml(str);
var eval = await GetJsEvalAsync(FetchJsEvalAsync);
var dataBlock = dataRegex.Match(str);
var noticLeft = str.IndexOf("window[\"n", str.IndexOf("window[\"n") + 4);
var noticRight = str.IndexOf(";", noticLeft);
var notic = str.Substring(noticLeft, noticRight - noticLeft);
var data = dataBlock.Groups[1].Value;
var dataJs = "var DATA='" + data + "';window.DATA=DATA;";
var sb = new StringBuilder();
sb.Append(varJs);
sb.Append(dataJs);
sb.Append(notic + ";");
sb.Append(eval);
sb.Append(";JSON.stringify(_v);");
var val = jsEngine.Evaluate(sb.ToString()).ToString();
using (var doc = JsonVisitor.FromString(val))
{
var pages = new List <ComicPage>();
var pics = doc["picture"].ToEnumerable();
foreach (var item in pics)
{
var pid = item["pid"];
var url = item["url"];
var page = new ComicPage
{
Name = pid.ToString(),
TargetUrl = url.ToString()
};
pages.Add(page);
}
return(pages.ToArray());
}
}
/// <summary>
/// "Compiles" Handlebars template to JS code
/// </summary>
/// <param name="content">Text content of Handlebars template</param>
/// <param name="path">Path to Handlebars file</param>
/// <returns>Translated Handlebars template</returns>
public string Compile(string content, string path)
{
Initialize();
string newContent;
try
{
var result = _jsEngine.Evaluate <string>(
string.Format(COMPILATION_FUNCTION_CALL_TEMPLATE,
JsonConvert.SerializeObject(content),
_optionsString));
var json = JObject.Parse(result);
var errors = json["errors"] != null ? json["errors"] as JArray : null;
if (errors != null && errors.Count > 0)
{
throw new HandlebarsCompilationException(FormatErrorDetails(errors[0], content, path));
}
var compiledCode = json.Value <string>("compiledCode");
bool isPartial;
string templateName = GetTemplateName(path, _options.RootPath, out isPartial);
newContent = WrapCompiledTemplateCode(compiledCode, _options.Namespace,
templateName, isPartial);
}
catch (JsScriptException e)
{
string errorDetails = JsErrorHelpers.GenerateErrorDetails(e, true);
var stringBuilderPool = StringBuilderPool.Shared;
StringBuilder errorMessageBuilder = stringBuilderPool.Rent();
errorMessageBuilder.AppendLine(e.Message);
errorMessageBuilder.AppendLine();
errorMessageBuilder.Append(errorDetails);
string errorMessage = errorMessageBuilder.ToString();
stringBuilderPool.Return(errorMessageBuilder);
throw new HandlebarsCompilationException(errorMessage);
}
return(newContent);
}
/// <summary>
/// Actualizes a vendor prefixes in CSS code by using Andrey Sitnik's Autoprefixer
/// </summary>
/// <param name="content">Text content of CSS asset</param>
/// <param name="path">Path to CSS asset</param>
/// <returns>Autoprefixing result</returns>
public AutoprefixingResult Process(string content, string path)
{
Initialize();
AutoprefixingResult autoprefixingResult;
try
{
var result = _jsEngine.Evaluate <string>(
string.Format(AUTOPREFIXING_FUNCTION_CALL_TEMPLATE,
JsonConvert.SerializeObject(content), _optionsString));
var json = JObject.Parse(result);
var errors = json["errors"] != null ? json["errors"] as JArray : null;
if (errors != null && errors.Count > 0)
{
throw new CssAutoprefixingException(FormatErrorDetails(errors[0], content, path));
}
autoprefixingResult = new AutoprefixingResult
{
ProcessedContent = json.Value <string>("processedCode"),
IncludedFilePaths = GetIncludedFilePaths(_options.Stats)
};
}
catch (JsScriptException e)
{
string errorDetails = JsErrorHelpers.GenerateErrorDetails(e, true);
var stringBuilderPool = StringBuilderPool.Shared;
StringBuilder errorMessageBuilder = stringBuilderPool.Rent();
errorMessageBuilder.AppendLine(e.Message);
errorMessageBuilder.AppendLine();
errorMessageBuilder.Append(errorDetails);
string errorMessage = errorMessageBuilder.ToString();
stringBuilderPool.Return(errorMessageBuilder);
throw new CssAutoprefixingException(errorMessage);
}
return(autoprefixingResult);
}
public override object Evaluate(string script, params KeyValuePair <string, object>[] kvp)
{
object result = null;
if (kvp != null)
{
foreach (var obj in kvp)
{
//判定是否为值类型
if (obj.Value.GetType().IsValueType || obj.Value is string)
{
js.SetVariableValue(obj.Key, obj.Value);
}
else
{
js.EmbedHostObject(obj.Key, obj.Value);
}
}
}
try
{
result = js.Evaluate(script);
}
catch (JavaScriptEngineSwitcher.Core.JsException jse)
{
if (jse.InnerException != null)
{
if (jse.InnerException is VroomJs.JsException)
{
var vjse = (VroomJs.JsException)jse.InnerException;
throw new HostJsException(jse.Message, script, vjse.Line, vjse.Column);
}
}
else
{
throw new HostJsException(jse.Message, script, 0, 0);
}
}
return(result);
}
/// <summary>
/// "Compiles" CoffeeScript code to JS code
/// </summary>
/// <param name="content">Text content written on CoffeeScript</param>
/// <param name="path">Path to CoffeeScript file</param>
/// <returns>Translated CoffeeScript code</returns>
public string Compile(string content, string path)
{
Initialize();
string newContent;
string optionsString = ConvertCompilationOptionsToJson(path, _options).ToString();
try
{
var result = _jsEngine.Evaluate <string>(
string.Format(COMPILATION_FUNCTION_CALL_TEMPLATE,
JsonConvert.SerializeObject(content),
optionsString));
var json = JObject.Parse(result);
var errors = json["errors"] != null ? json["errors"] as JArray : null;
if (errors != null && errors.Count > 0)
{
throw new CoffeeScriptCompilationException(FormatErrorDetails(errors[0], content, path));
}
newContent = json.Value <string>("compiledCode");
}
catch (JsScriptException e)
{
string errorDetails = JsErrorHelpers.GenerateErrorDetails(e, true);
var stringBuilderPool = StringBuilderPool.Shared;
StringBuilder errorMessageBuilder = stringBuilderPool.Rent();
errorMessageBuilder.AppendLine(e.Message);
errorMessageBuilder.AppendLine();
errorMessageBuilder.Append(errorDetails);
string errorMessage = errorMessageBuilder.ToString();
stringBuilderPool.Return(errorMessageBuilder);
throw new CoffeeScriptCompilationException(errorMessage);
}
return(newContent);
}
/// <summary>
/// Performs a sanity check to ensure the specified engine type is usable.
/// </summary>
/// <param name="engine">Engine to test</param>
/// <param name="allowMsie">Whether the MSIE engine can be used</param>
/// <returns></returns>
private static bool EngineIsUsable(IJsEngine engine, bool allowMsie)
{
// Perform a sanity test to ensure this engine is usable
var isUsable = engine.Evaluate<int>("1 + 1") == 2;
var isMsie = engine is MsieJsEngine;
return isUsable && (!isMsie || allowMsie);
}
/// <summary>
/// Performs a sanity check to ensure the specified engine type is usable.
/// </summary>
/// <param name="engine">Engine to test</param>
/// <param name="allowMsie">Whether the MSIE engine can be used</param>
/// <returns></returns>
private static bool EngineIsUsable(IJsEngine engine, bool allowMsie)
{
// Perform a sanity test to ensure this engine is usable
var isUsable = engine.Evaluate<int>("1 + 1") == 2;
#if NETSTANDARD16
var isMsie = false;
#else
var isMsie = engine is MsieJsEngine;
#endif
return isUsable && (!isMsie || allowMsie);
}