public void JavaScriptEncodeStringToString()
{
IJavaScriptStringEncoder oldEncoder = JavaScriptStringEncoderOld.Default;
IJavaScriptStringEncoder newEncoder = JavaScriptStringEncoder.Default;
Stopwatch timer = new Stopwatch();
// warm up
EncodeJavaScript(oldEncoder, SmallString, timer, SmallIterations);
EncodeJavaScript(newEncoder, SmallString, timer, SmallIterations);
var oldTime = EncodeJavaScript(oldEncoder, SmallString, timer, SmallIterations);
var newTime = EncodeJavaScript(newEncoder, SmallString, timer, SmallIterations);
var message = String.Format("JavaScriptEncodeStringToStringSmall: Old={0}ms, New={1}ms, Delta={2:G}%", (ulong)oldTime.TotalMilliseconds, (ulong)newTime.TotalMilliseconds, (int)((newTime.TotalMilliseconds - oldTime.TotalMilliseconds) / oldTime.TotalMilliseconds * 100));
output.WriteLine(message);
oldTime = EncodeJavaScript(oldEncoder, LargeString, timer, LargeIterations);
newTime = EncodeJavaScript(newEncoder, LargeString, timer, LargeIterations);
message = String.Format("JavaScriptEncodeStringToStringLarge: Old={0}ms, New={1}ms, Delta={2:G}%", (ulong)oldTime.TotalMilliseconds, (ulong)newTime.TotalMilliseconds, (int)((newTime.TotalMilliseconds - oldTime.TotalMilliseconds) / oldTime.TotalMilliseconds * 100));
output.WriteLine(message);
oldTime = EncodeJavaScript(oldEncoder, LargeStringThatIsNotEncoded, timer, LargeIterations);
newTime = EncodeJavaScript(newEncoder, LargeStringThatIsNotEncoded, timer, LargeIterations);
message = String.Format("JavaScriptEncodeStringToStringLargeNoEncoding: Old={0}ms, New={1}ms, Delta={2:G}%", (ulong)oldTime.TotalMilliseconds, (ulong)newTime.TotalMilliseconds, (int)((newTime.TotalMilliseconds - oldTime.TotalMilliseconds) / oldTime.TotalMilliseconds * 100));
output.WriteLine(message);
oldTime = EncodeJavaScript(oldEncoder, LargeStringWithOnlyEndEncoded, timer, LargeIterations);
newTime = EncodeJavaScript(newEncoder, LargeStringWithOnlyEndEncoded, timer, LargeIterations);
message = String.Format("JavaScriptEncodeStringToStringLargeEndEncoding: Old={0}ms, New={1}ms, Delta={2:G}%", (ulong)oldTime.TotalMilliseconds, (ulong)newTime.TotalMilliseconds, (int)((newTime.TotalMilliseconds - oldTime.TotalMilliseconds) / oldTime.TotalMilliseconds * 100));
output.WriteLine(message);
}
/// <summary>
/// Initializes a new instance of the <see cref="HtmlHelper{TModel}"/> class.
/// </summary>
public HtmlHelper(
IHtmlGenerator htmlGenerator,
ICompositeViewEngine viewEngine,
IModelMetadataProvider metadataProvider,
IHtmlEncoder htmlEncoder,
IUrlEncoder urlEncoder,
IJavaScriptStringEncoder javaScriptStringEncoder)
: base(htmlGenerator, viewEngine, metadataProvider, htmlEncoder, urlEncoder, javaScriptStringEncoder)
{
if (htmlGenerator == null)
{
throw new ArgumentNullException(nameof(htmlGenerator));
}
if (viewEngine == null)
{
throw new ArgumentNullException(nameof(viewEngine));
}
if (metadataProvider == null)
{
throw new ArgumentNullException(nameof(metadataProvider));
}
if (htmlEncoder == null)
{
throw new ArgumentNullException(nameof(htmlEncoder));
}
if (urlEncoder == null)
{
throw new ArgumentNullException(nameof(urlEncoder));
}
if (javaScriptStringEncoder == null)
{
throw new ArgumentNullException(nameof(javaScriptStringEncoder));
}
}
private TimeSpan EncodeJavaScript(IJavaScriptStringEncoder encoder, string text, Stopwatch timer, int iterations)
{
timer.Restart();
for (int iteration = 0; iteration < iterations; iteration++)
{
Ignore(encoder.JavaScriptStringEncode(text));
}
return(timer.Elapsed);
}
/// <summary>
/// Initializes a new instance of the <see cref="HtmlHelper{TModel}"/> class.
/// </summary>
public HtmlHelper(
[NotNull] IHtmlGenerator htmlGenerator,
[NotNull] ICompositeViewEngine viewEngine,
[NotNull] IModelMetadataProvider metadataProvider,
[NotNull] IHtmlEncoder htmlEncoder,
[NotNull] IUrlEncoder urlEncoder,
[NotNull] IJavaScriptStringEncoder javaScriptStringEncoder)
: base(htmlGenerator, viewEngine, metadataProvider, htmlEncoder, urlEncoder, javaScriptStringEncoder)
{
}
/// <summary>
/// Execute an individual request
/// </summary>
/// <param name="context"></param>
public async Task ExecuteAsync(HttpContext context)
{
Context = context;
Request = Context.Request;
Response = Context.Response;
Output = new StreamWriter(Response.Body, Encoding.UTF8, 4096, leaveOpen: true);
HtmlEncoder = context.ApplicationServices.GetHtmlEncoder();
UrlEncoder = context.ApplicationServices.GetUrlEncoder();
JavaScriptStringEncoder = context.ApplicationServices.GetJavaScriptStringEncoder();
await ExecuteAsync();
Output.Dispose();
}
/// <summary>
/// JavaScript-escapes a string and writes the result to the supplied output.
/// </summary>
public static void JavaScriptStringEncode(this IJavaScriptStringEncoder javaScriptStringEncoder, string value, TextWriter output)
{
if (javaScriptStringEncoder == null)
{
throw new ArgumentNullException(nameof(javaScriptStringEncoder));
}
if (!String.IsNullOrEmpty(value))
{
javaScriptStringEncoder.JavaScriptStringEncode(value, 0, value.Length, output);
}
}
/// <summary>
/// Creates a new <see cref="ScriptTagHelper"/>.
/// </summary>
/// <param name="logger">The <see cref="ILogger{ScriptTagHelper}"/>.</param>
/// <param name="hostingEnvironment">The <see cref="IHostingEnvironment"/>.</param>
/// <param name="cache">The <see cref="IMemoryCache"/>.</param>
/// <param name="htmlEncoder">The <see cref="IHtmlEncoder"/>.</param>
/// <param name="javaScriptEncoder">The <see cref="IJavaScriptStringEncoder"/>.</param>
public ScriptTagHelper(
ILogger<ScriptTagHelper> logger,
IHostingEnvironment hostingEnvironment,
IMemoryCache cache,
IHtmlEncoder htmlEncoder,
IJavaScriptStringEncoder javaScriptEncoder)
{
Logger = logger;
HostingEnvironment = hostingEnvironment;
Cache = cache;
HtmlEncoder = htmlEncoder;
JavaScriptEncoder = javaScriptEncoder;
}
/// <summary>
/// Creates a new <see cref="ScriptTagHelper"/>.
/// </summary>
/// <param name="logger">The <see cref="ILogger{ScriptTagHelper}"/>.</param>
/// <param name="hostingEnvironment">The <see cref="IHostingEnvironment"/>.</param>
/// <param name="cache">The <see cref="IMemoryCache"/>.</param>
/// <param name="htmlEncoder">The <see cref="IHtmlEncoder"/>.</param>
/// <param name="javaScriptEncoder">The <see cref="IJavaScriptStringEncoder"/>.</param>
public ScriptTagHelper(
ILogger <ScriptTagHelper> logger,
IHostingEnvironment hostingEnvironment,
IMemoryCache cache,
IHtmlEncoder htmlEncoder,
IJavaScriptStringEncoder javaScriptEncoder)
{
Logger = logger;
HostingEnvironment = hostingEnvironment;
Cache = cache;
HtmlEncoder = htmlEncoder;
JavaScriptEncoder = javaScriptEncoder;
}
/// <summary>
/// Execute an individual request
/// </summary>
/// <param name="context"></param>
public async Task ExecuteAsync(HttpContext context)
{
Context = context;
Request = Context.Request;
Response = Context.Response;
Output = new StreamWriter(Response.Body, Encoding.UTF8, 4096, leaveOpen: true);
HtmlEncoder = context.ApplicationServices.GetHtmlEncoder();
UrlEncoder = context.ApplicationServices.GetUrlEncoder();
JavaScriptStringEncoder = context.ApplicationServices.GetJavaScriptStringEncoder();
await ExecuteAsync();
Output.Dispose();
}
/// <summary>
/// Creates a new <see cref="LinkTagHelper"/>.
/// </summary>
/// <param name="logger">The <see cref="ILogger{ScriptTagHelper}"/>.</param>
/// <param name="hostingEnvironment">The <see cref="IHostingEnvironment"/>.</param>
/// <param name="cache">The <see cref="IMemoryCache"/>.</param>
/// <param name="htmlEncoder">The <see cref="IHtmlEncoder"/>.</param>
/// <param name="javaScriptEncoder">The <see cref="IJavaScriptStringEncoder"/>.</param>
/// <param name="urlHelper">The <see cref="IUrlHelper"/>.</param>
public LinkTagHelper(
ILogger <LinkTagHelper> logger,
IHostingEnvironment hostingEnvironment,
IMemoryCache cache,
IHtmlEncoder htmlEncoder,
IJavaScriptStringEncoder javaScriptEncoder,
IUrlHelper urlHelper)
: base(urlHelper, htmlEncoder)
{
Logger = logger;
HostingEnvironment = hostingEnvironment;
Cache = cache;
JavaScriptEncoder = javaScriptEncoder;
}
/// <summary>
/// Initializes a new instance of the <see cref="HtmlHelper"/> class.
/// </summary>
public HtmlHelper(
[NotNull] IHtmlGenerator htmlGenerator,
[NotNull] ICompositeViewEngine viewEngine,
[NotNull] IModelMetadataProvider metadataProvider,
[NotNull] IHtmlEncoder htmlEncoder,
[NotNull] IUrlEncoder urlEncoder,
[NotNull] IJavaScriptStringEncoder javaScriptStringEncoder)
{
_viewEngine = viewEngine;
_htmlGenerator = htmlGenerator;
MetadataProvider = metadataProvider;
HtmlEncoder = htmlEncoder;
UrlEncoder = urlEncoder;
JavaScriptStringEncoder = javaScriptStringEncoder;
}
public GutekScriptTagHelper(ILogger<GutekScriptTagHelper> logger
, IHostingEnvironment env
, IMemoryCache cache
, IHtmlEncoder htmlEncoder
, IJavaScriptStringEncoder javaScriptEncoder
, IUrlHelper urlHelper)
: base(urlHelper, htmlEncoder)
{
Logger = logger;
HostingEnvironment = env;
Cache = cache;
JavaScriptEncoder = javaScriptEncoder;
logger.LogInformation("Initializing Gutek Script Tag Helper");
}
/// <summary>
/// Creates a new <see cref="WebpackDevServerLinkTagHelper"/>.
/// </summary>
/// <param name="logger">The <see cref="ILogger{ScriptTagHelper}"/>.</param>
/// <param name="hostingEnvironment">The <see cref="IHostingEnvironment"/>.</param>
/// <param name="cache">The <see cref="IMemoryCache"/>.</param>
/// <param name="htmlEncoder">The <see cref="IHtmlEncoder"/>.</param>
/// <param name="javaScriptEncoder">The <see cref="IJavaScriptStringEncoder"/>.</param>
/// <param name="urlHelper">The <see cref="IUrlHelper"/>.</param>
public WebpackDevServerLinkTagHelper(
ILogger<WebpackDevServerLinkTagHelper> logger,
IHostingEnvironment hostingEnvironment,
IMemoryCache cache,
IHtmlEncoder htmlEncoder,
IJavaScriptStringEncoder javaScriptEncoder,
IUrlHelper urlHelper,
IOptions<DevelopmentSettings> options)
: base(urlHelper, htmlEncoder)
{
Logger = logger;
HostingEnvironment = hostingEnvironment;
Cache = cache;
JavaScriptEncoder = javaScriptEncoder;
devSettings = options.Value;
}
/// <summary>
/// Encodes a .NET string array for safe use as a JavaScript array literal, including inline in an HTML file.
/// </summary>
public static string Encode(IJavaScriptStringEncoder encoder, IEnumerable<string> values)
{
var writer = new StringWriter();
var firstAdded = false;
writer.Write('[');
foreach (var value in values)
{
if (firstAdded)
{
writer.Write(',');
}
writer.Write('"');
encoder.JavaScriptStringEncode(value, writer);
writer.Write('"');
firstAdded = true;
}
writer.Write(']');
return writer.ToString();
}
/// <summary>
/// Encodes a .NET string array for safe use as a JavaScript array literal, including inline in an HTML file.
/// </summary>
public static string Encode(IJavaScriptStringEncoder encoder, IEnumerable <string> values)
{
var writer = new StringWriter();
var firstAdded = false;
writer.Write('[');
foreach (var value in values)
{
if (firstAdded)
{
writer.Write(',');
}
writer.Write('"');
encoder.JavaScriptStringEncode(value, writer);
writer.Write('"');
firstAdded = true;
}
writer.Write(']');
return(writer.ToString());
}
/// <summary>
/// Creates a new <see cref="LinkTagHelper"/>.
/// </summary>
/// <param name="logger">The <see cref="ILogger{ScriptTagHelper}"/>.</param>
/// <param name="hostingEnvironment">The <see cref="IHostingEnvironment"/>.</param>
/// <param name="cache">The <see cref="IMemoryCache"/>.</param>
/// <param name="htmlEncoder">The <see cref="IHtmlEncoder"/>.</param>
/// <param name="javaScriptEncoder">The <see cref="IJavaScriptStringEncoder"/>.</param>
/// <param name="urlHelper">The <see cref="IUrlHelper"/>.</param>
public LinkTagHelper(
ILogger<LinkTagHelper> logger,
IHostingEnvironment hostingEnvironment,
IMemoryCache cache,
IHtmlEncoder htmlEncoder,
IJavaScriptStringEncoder javaScriptEncoder,
IUrlHelper urlHelper)
: base(urlHelper, htmlEncoder)
{
Logger = logger;
HostingEnvironment = hostingEnvironment;
Cache = cache;
JavaScriptEncoder = javaScriptEncoder;
}
