/// <summary>
/// Begins processing an entity.
/// </summary>
/// <param name="parent">The parent of this entity.</param>
/// <param name="baseUri">The base Uri for processing this entity within.</param>
public void Open(Entity parent, Uri baseUri)
{
this.m_parent = parent;
if (parent != null)
{
this.m_isHtml = parent.IsHtml;
}
this.m_line = 1;
if (m_isInternal)
{
if (this.m_literal != null)
{
this.m_stm = new StringReader(this.m_literal);
}
}
else if (this.m_uri == null)
{
this.Error("Unresolvable entity '{0}'", this.m_name);
}
else
{
if (baseUri != null)
{
this.m_resolvedUri = new Uri(baseUri, this.m_uri);
}
else
{
this.m_resolvedUri = new Uri(this.m_uri);
}
Stream stream = null;
var e = Encoding.Default;
switch (this.m_resolvedUri.Scheme)
{
case "file": {
var path = this.m_resolvedUri.LocalPath;
stream = new FileStream(path, FileMode.Open, FileAccess.Read);
}
break;
default:
Console.WriteLine("Fetching:" + ResolvedUri.AbsoluteUri);
var wr = (HttpWebRequest)WebRequest.Create(ResolvedUri);
wr.UserAgent = "Mozilla/4.0 (compatible;);";
wr.Timeout = 10000; // in case this is running in an ASPX page.
if (m_proxy != null)
{
wr.Proxy = new WebProxy(m_proxy);
}
wr.PreAuthenticate = false;
// Pass the credentials of the process.
wr.Credentials = CredentialCache.DefaultCredentials;
var resp = wr.GetResponse();
var actual = resp.ResponseUri;
if (!string.Equals(actual.AbsoluteUri, this.m_resolvedUri.AbsoluteUri, StringComparison.OrdinalIgnoreCase))
{
this.m_resolvedUri = actual;
}
var contentType = resp.ContentType.ToLowerInvariant();
var mimeType = contentType;
var i = contentType.IndexOf(';');
if (i >= 0)
{
mimeType = contentType.Substring(0, i);
}
if (StringUtilities.EqualsIgnoreCase(mimeType, "text/html"))
{
this.m_isHtml = true;
}
i = contentType.IndexOf("charset");
e = Encoding.Default;
if (i >= 0)
{
var j = contentType.IndexOf("=", i);
var k = contentType.IndexOf(";", j);
if (k < 0)
{
k = contentType.Length;
}
if (j > 0)
{
j++;
var charset = contentType.Substring(j, k - j).Trim();
try {
e = Encoding.GetEncoding(charset);
} catch (ArgumentException) {
}
}
}
stream = resp.GetResponseStream();
break;
}
this.m_weOwnTheStream = true;
var html = new HtmlStream(stream, e);
this.m_encoding = html.Encoding;
this.m_stm = html;
}
}
/// <summary>
/// Begins processing an entity.
/// </summary>
/// <param name = "parent">The parent of this entity.</param>
/// <param name = "baseUri">The base Uri for processing this entity within.</param>
public void Open(Entity parent, Uri baseUri) {
this.m_parent = parent;
if(parent != null) {
this.m_isHtml = parent.IsHtml;
}
this.m_line = 1;
if(m_isInternal) {
if(this.m_literal != null) {
this.m_stm = new StringReader(this.m_literal);
}
}
else if(this.m_uri == null) {
this.Error("Unresolvable entity '{0}'", this.m_name);
}
else {
if(baseUri != null) {
this.m_resolvedUri = new Uri(baseUri, this.m_uri);
}
else {
this.m_resolvedUri = new Uri(this.m_uri);
}
Stream stream = null;
var e = Encoding.Default;
switch(this.m_resolvedUri.Scheme) {
case "file": {
var path = this.m_resolvedUri.LocalPath;
stream = new FileStream(path, FileMode.Open, FileAccess.Read);
}
break;
default:
Console.WriteLine("Fetching:" + ResolvedUri.AbsoluteUri);
var wr = (HttpWebRequest) WebRequest.Create(ResolvedUri);
wr.UserAgent = "Mozilla/4.0 (compatible;);";
wr.Timeout = 10000; // in case this is running in an ASPX page.
if(m_proxy != null) {
wr.Proxy = new WebProxy(m_proxy);
}
wr.PreAuthenticate = false;
// Pass the credentials of the process.
wr.Credentials = CredentialCache.DefaultCredentials;
var resp = wr.GetResponse();
var actual = resp.ResponseUri;
if(!string.Equals(actual.AbsoluteUri, this.m_resolvedUri.AbsoluteUri, StringComparison.OrdinalIgnoreCase)) {
this.m_resolvedUri = actual;
}
var contentType = resp.ContentType.ToLowerInvariant();
var mimeType = contentType;
var i = contentType.IndexOf(';');
if(i >= 0) {
mimeType = contentType.Substring(0, i);
}
if(StringUtilities.EqualsIgnoreCase(mimeType, "text/html")) {
this.m_isHtml = true;
}
i = contentType.IndexOf("charset");
e = Encoding.Default;
if(i >= 0) {
var j = contentType.IndexOf("=", i);
var k = contentType.IndexOf(";", j);
if(k < 0) {
k = contentType.Length;
}
if(j > 0) {
j++;
var charset = contentType.Substring(j, k - j).Trim();
try {
e = Encoding.GetEncoding(charset);
}
catch(ArgumentException) {
}
}
}
stream = resp.GetResponseStream();
break;
}
this.m_weOwnTheStream = true;
var html = new HtmlStream(stream, e);
this.m_encoding = html.Encoding;
this.m_stm = html;
}
}
