lsm/Orchard
1
0
Fork 0
mirror of https://github.com/OrchardCMS/Orchard.git synced 2025-08-20 07:23:59 +08:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

Reworking ProcessContent to use StringBuilder instead of replaces

Browse Source
This commit is contained in:
Benedek Farkas 2024-11-27 22:07:00 +01:00
parent 54dc8085c6
commit ff3986eb1f
1 changed files with 29 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
src/Orchard.Web/Modules/Orchard.MediaProcessing/Filters/MediaProcessingHtmlFilter.cs
View File

@ -1,6 +1,7 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using Orchard.ContentManagement;
using Orchard.Environment.Extensions;
@ -47,20 +48,35 @@ namespace Orchard.MediaProcessing.Filters {
}
public string ProcessContent(string text, HtmlFilterContext context) {
if (!string.IsNullOrEmpty(text) && context.Flavor == "html") {
var imgTagPattern = @"<img\b[^>]*>";
var matches = Regex.Matches(text, imgTagPattern);
foreach (Match match in matches) {
var imgTag = match.Value;
var processedImgTag = ProcessImageContent(imgTag);
if (Settings.PopulateAlt) {
processedImgTag = ProcessImageAltContent(processedImgTag);
}
text = text.Replace(imgTag, processedImgTag);
}
if (string.IsNullOrWhiteSpace(text) || context.Flavor != "html") {
return text;
}
return text;
var matches = Regex.Matches(text, @"<img\b[^>]*>");
if (matches.Count == 0) {
return text;
}
var offset = 0; // This tracks where last image tag ended in the original HTML.
var newText = new StringBuilder();
foreach (Match match in matches) {
newText.Append(text.Substring(offset, match.Index - offset));
offset = match.Index + match.Length;
var imgTag = match.Value;
var processedImgTag = ProcessImageContent(imgTag);
if (Settings.PopulateAlt) {
processedImgTag = ProcessImageAltContent(processedImgTag);
}
newText.Append(processedImgTag);
}
newText.Append(text.Substring(offset));
return newText.ToString();
}
private string ProcessImageContent(string imgTag) {