/// <summary>
/// Creates new document creation options. Selects the source from the
/// response by potentially using the encoding from the configuration.
/// </summary>
/// <param name="response">The response to hand over.</param>
/// <param name="configuration">The configuration to use.</param>
public CreateDocumentOptions(IResponse response, IConfiguration configuration)
{
var contentType = response.GetContentType(MimeTypeNames.Html);
var encoding = configuration.DefaultEncoding();
var charset = contentType.GetParameter(AttributeNames.Charset);
if (!String.IsNullOrEmpty(charset) && TextEncoding.IsSupported(charset))
encoding = TextEncoding.Resolve(charset);
_source = new TextSource(response.Content, encoding);
_contentType = contentType;
_response = response;
}
/// <summary>
/// Opens a new document created from the response asynchronously in
/// the given context.
/// </summary>
/// <param name="context">The browsing context to use.</param>
/// <param name="response">The response to examine.</param>
/// <param name="cancel">The cancellation token.</param>
/// <returns>The task that creates the document.</returns>
public static async Task<IDocument> OpenAsync(this IBrowsingContext context, IResponse response, CancellationToken cancel)
{
if (response == null)
throw new ArgumentNullException("response");
if (context == null)
context = BrowsingContext.New();
var source = new TextSource(response.Content, context.Configuration.DefaultEncoding());
var document = await context.LoadDocumentAsync(response, source, cancel).ConfigureAwait(false);
context.NavigateTo(document);
return document;
}
/// <summary>
/// Creates a new set of document options from the given response with
/// the provided configuration.
/// </summary>
/// <param name="response">The response to pass on.</param>
/// <param name="configuration">The configuration to use.</param>
/// <param name="ancestor">The optional import ancestor.</param>
public CreateDocumentOptions(IResponse response, IConfiguration configuration, IDocument ancestor = null)
{
var contentType = response.GetContentType(MimeTypeNames.Html);
var charset = contentType.GetParameter(AttributeNames.Charset);
var source = new TextSource(response.Content, configuration.DefaultEncoding());
if (!String.IsNullOrEmpty(charset) && TextEncoding.IsSupported(charset))
{
source.CurrentEncoding = TextEncoding.Resolve(charset);
}
_source = source;
_contentType = contentType;
_response = response;
_ancestor = ancestor;
}
/// <summary>
/// Opens a new document created from the response asynchronously in
/// the given context.
/// </summary>
/// <param name="context">The browsing context to use.</param>
/// <param name="response">The response to examine.</param>
/// <param name="cancel">The cancellation token.</param>
/// <returns>The task that creates the document.</returns>
public static Task<IDocument> OpenAsync(this IBrowsingContext context, IResponse response, CancellationToken cancel)
{
if (response == null)
throw new ArgumentNullException("response");
if (context == null)
context = BrowsingContext.New();
var contentType = response.GetContentType(MimeTypes.Html);
var encoding = context.Configuration.DefaultEncoding();
var charset = contentType.GetParameter(AttributeNames.Charset);
if (!String.IsNullOrEmpty(charset) && TextEncoding.IsSupported(charset))
encoding = TextEncoding.Resolve(charset);
var source = new TextSource(response.Content, encoding);
return context.LoadDocumentAsync(response, contentType, source, cancel);
}
void Release()
{
if (content != null && dispose)
content.Dispose();
else if (source != null)
source.Dispose();
dispose = false;
source = null;
content = null;
}
/// <summary>
/// Sets the response's content from the provided string.
/// </summary>
/// <param name="text">The text to use as content.</param>
/// <returns>The current instance.</returns>
public VirtualResponse Content(String text)
{
Release();
source = new TextSource(text);
return this;
}
/// <summary>
/// Creates a new virtual response.
/// </summary>
public VirtualResponse()
{
address = Url.Create("http://localhost/");
status = HttpStatusCode.OK;
headers = new Dictionary<String, String>();
content = MemoryStream.Null;
source = null;
dispose = false;
}
static async Task<IDocument> LoadDocumentAsync(this IBrowsingContext context, IResponse response, TextSource source, CancellationToken cancel)
{
var contentType = response.Headers.GetOrDefault(HeaderNames.ContentType, MimeTypes.Html);
if (contentType.IndexOf(';') > 0)
{
contentType = contentType.Substring(0, contentType.IndexOf(';')).Trim();
}
if (contentType.Equals(MimeTypes.Xml, StringComparison.OrdinalIgnoreCase) ||
contentType.Equals(MimeTypes.ApplicationXml, StringComparison.OrdinalIgnoreCase))
{
return await XmlDocument.LoadAsync(context, response, source, cancel).ConfigureAwait(false);
}
else if (contentType.Equals(MimeTypes.Svg, StringComparison.OrdinalIgnoreCase))
{
return await SvgDocument.LoadAsync(context, response, source, cancel);
}
return await HtmlDocument.LoadAsync(context, response, source, cancel).ConfigureAwait(false);
}
/// <summary>
/// Creates new document creation options.
/// </summary>
/// <param name="response">The response to hand over.</param>
/// <param name="contentType">The content mime-type.</param>
/// <param name="source">The source of the document.</param>
public CreateDocumentOptions(IResponse response, MimeType contentType, TextSource source)
{
_response = response;
_contentType = contentType;
_source = source;
}
/// <summary>
/// Creates new document creation options.
/// </summary>
/// <param name="response">The response to hand over.</param>
/// <param name="source">The source of the document.</param>
public CreateDocumentOptions(IResponse response, TextSource source)
: this(response, response.GetContentType(MimeTypeNames.Html), source)
{
}
internal TextView(TextRange range, TextSource source)
{
_range = range;
_source = source;
}
static async Task<IDocument> LoadDocumentAsync(this IBrowsingContext context, IResponse response, MimeType contentType, TextSource source, CancellationToken cancel)
{
if (contentType.Represents(MimeTypes.Xml) || contentType.Represents(MimeTypes.ApplicationXml))
return await XmlDocument.LoadAsync(context, response, contentType, source, cancel).ConfigureAwait(false);
else if (contentType.Represents(MimeTypes.Svg))
return await SvgDocument.LoadAsync(context, response, contentType, source, cancel).ConfigureAwait(false);
return await HtmlDocument.LoadAsync(context, response, contentType, source, cancel).ConfigureAwait(false);
}
void Release()
{
if (content != null && dispose)
{
content.Dispose();
}
else if (source != null)
{
source.Dispose();
}
dispose = false;
source = null;
content = null;
}
/// <summary>
/// Creates new document creation options.
/// </summary>
/// <param name="response">The response to hand over.</param>
/// <param name="contentType">The content mime-type.</param>
/// <param name="source">The source of the document.</param>
public CreateDocumentOptions(IResponse response, MimeType contentType, TextSource source)
{
_response = response;
_contentType = contentType;
_source = source;
}
/// <summary>
/// Creates new document creation options.
/// </summary>
/// <param name="response">The response to hand over.</param>
/// <param name="source">The source of the document.</param>
public CreateDocumentOptions(IResponse response, TextSource source)
: this(response, response.GetContentType(MimeTypeNames.Html), source)
{
}