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File scoped namespaces

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This commit is contained in:
Aleh Khantsevich
2025-02-16 11:35:43 +01:00
committed by GitHub
parent c1336428dc
commit d31d8f574e
617 changed files with 32118 additions and 32737 deletions
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213
Wino.Services/Extensions/HtmlAgilityPackExtensions.cs
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@@ -3,118 +3,117 @@ using System.IO;
using System.Linq;
using HtmlAgilityPack;
namespace Wino.Services.Extensions
namespace Wino.Services.Extensions;
public static class HtmlAgilityPackExtensions
{
public static class HtmlAgilityPackExtensions
/// <summary>
/// Clears out the src attribute for all `img` and `v:fill` tags.
/// </summary>
/// <param name="document"></param>
public static void ClearImages(this HtmlDocument document)
{
/// <summary>
/// Clears out the src attribute for all `img` and `v:fill` tags.
/// </summary>
/// <param name="document"></param>
public static void ClearImages(this HtmlDocument document)
if (document.DocumentNode.InnerHtml.Contains("<img"))
{
if (document.DocumentNode.InnerHtml.Contains("<img"))
foreach (var eachNode in document.DocumentNode.SelectNodes("//img"))
{
foreach (var eachNode in document.DocumentNode.SelectNodes("//img"))
{
eachNode.Attributes.Remove("src");
}
}
}
/// <summary>
/// Removes `style` tags from the document.
/// </summary>
/// <param name="document"></param>
public static void ClearStyles(this HtmlDocument document)
{
document.DocumentNode
.Descendants()
.Where(n => n.Name.Equals("script", StringComparison.OrdinalIgnoreCase)
|| n.Name.Equals("style", StringComparison.OrdinalIgnoreCase)
|| n.Name.Equals("#comment", StringComparison.OrdinalIgnoreCase))
.ToList()
.ForEach(n => n.Remove());
}
/// <summary>
/// Returns plain text from the HTML content.
/// </summary>
/// <param name="htmlContent">Content to get preview from.</param>
/// <returns>Text body for the html.</returns>
public static string GetPreviewText(string htmlContent)
{
if (string.IsNullOrEmpty(htmlContent)) return string.Empty;
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(htmlContent);
StringWriter sw = new StringWriter();
ConvertTo(doc.DocumentNode, sw);
sw.Flush();
return sw.ToString().Replace(Environment.NewLine, "");
}
private static void ConvertContentTo(HtmlNode node, TextWriter outText)
{
foreach (HtmlNode subnode in node.ChildNodes)
{
ConvertTo(subnode, outText);
}
}
private static void ConvertTo(HtmlNode node, TextWriter outText)
{
string html;
switch (node.NodeType)
{
case HtmlNodeType.Comment:
// don't output comments
break;
case HtmlNodeType.Document:
ConvertContentTo(node, outText);
break;
case HtmlNodeType.Text:
// script and style must not be output
string parentName = node.ParentNode.Name;
if (parentName == "script" || parentName == "style")
break;
// get text
html = ((HtmlTextNode)node).Text;
// is it in fact a special closing node output as text?
if (HtmlNode.IsOverlappedClosingElement(html))
break;
// check the text is meaningful and not a bunch of whitespaces
if (html.Trim().Length > 0)
{
outText.Write(HtmlEntity.DeEntitize(html));
}
break;
case HtmlNodeType.Element:
switch (node.Name)
{
case "p":
// treat paragraphs as crlf
outText.Write("\r\n");
break;
case "br":
outText.Write("\r\n");
break;
}
if (node.HasChildNodes)
{
ConvertContentTo(node, outText);
}
break;
eachNode.Attributes.Remove("src");
}
}
}
/// <summary>
/// Removes `style` tags from the document.
/// </summary>
/// <param name="document"></param>
public static void ClearStyles(this HtmlDocument document)
{
document.DocumentNode
.Descendants()
.Where(n => n.Name.Equals("script", StringComparison.OrdinalIgnoreCase)
|| n.Name.Equals("style", StringComparison.OrdinalIgnoreCase)
|| n.Name.Equals("#comment", StringComparison.OrdinalIgnoreCase))
.ToList()
.ForEach(n => n.Remove());
}
/// <summary>
/// Returns plain text from the HTML content.
/// </summary>
/// <param name="htmlContent">Content to get preview from.</param>
/// <returns>Text body for the html.</returns>
public static string GetPreviewText(string htmlContent)
{
if (string.IsNullOrEmpty(htmlContent)) return string.Empty;
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(htmlContent);
StringWriter sw = new StringWriter();
ConvertTo(doc.DocumentNode, sw);
sw.Flush();
return sw.ToString().Replace(Environment.NewLine, "");
}
private static void ConvertContentTo(HtmlNode node, TextWriter outText)
{
foreach (HtmlNode subnode in node.ChildNodes)
{
ConvertTo(subnode, outText);
}
}
private static void ConvertTo(HtmlNode node, TextWriter outText)
{
string html;
switch (node.NodeType)
{
case HtmlNodeType.Comment:
// don't output comments
break;
case HtmlNodeType.Document:
ConvertContentTo(node, outText);
break;
case HtmlNodeType.Text:
// script and style must not be output
string parentName = node.ParentNode.Name;
if (parentName == "script" || parentName == "style")
break;
// get text
html = ((HtmlTextNode)node).Text;
// is it in fact a special closing node output as text?
if (HtmlNode.IsOverlappedClosingElement(html))
break;
// check the text is meaningful and not a bunch of whitespaces
if (html.Trim().Length > 0)
{
outText.Write(HtmlEntity.DeEntitize(html));
}
break;
case HtmlNodeType.Element:
switch (node.Name)
{
case "p":
// treat paragraphs as crlf
outText.Write("\r\n");
break;
case "br":
outText.Write("\r\n");
break;
}
if (node.HasChildNodes)
{
ConvertContentTo(node, outText);
}
break;
}
}
}