public override GetFilesResult GetFiles(List <ReplaceInfo> replaceList)
{
GetFilesResult result = new GetFilesResult();
bool seenSpoiler = false;
foreach (HtmlTagRange postTagRange in Parser.FindStartTags("div").Where(t => HtmlParser.ClassAttributeValueHas(t, "post"))
.Select(t => Parser.CreateTagRange(t)).Where(r => r != null))
{
HtmlTagRange fileTextDivTagRange = Parser.CreateTagRange(Parser.FindStartTags(postTagRange, "div")
.Where(t => HtmlParser.ClassAttributeValueHas(t, "fileText")).FirstOrDefault());
if (fileTextDivTagRange == null)
{
continue;
}
HtmlTagRange fileThumbLinkTagRange = Parser.CreateTagRange(Parser.FindStartTags(postTagRange, "a")
.Where(t => HtmlParser.ClassAttributeValueHas(t, "fileThumb")).FirstOrDefault());
if (fileThumbLinkTagRange == null)
{
continue;
}
HtmlTag fileTextLinkStartTag = Parser.FindStartTag(fileTextDivTagRange, "a");
if (fileTextLinkStartTag == null)
{
continue;
}
HtmlTag fileThumbImageTag = Parser.FindStartTag(fileThumbLinkTagRange, "img");
if (fileThumbImageTag == null)
{
continue;
}
string imageUrl = fileTextLinkStartTag.GetAttributeValue("href");
if (imageUrl == null)
{
continue;
}
string thumbUrl = fileThumbImageTag.GetAttributeValue("src");
if (thumbUrl == null)
{
continue;
}
bool isSpoiler = HtmlParser.ClassAttributeValueHas(fileThumbLinkTagRange.StartTag, "imgspoiler");
string originalFileName;
if (isSpoiler)
{
originalFileName = fileTextDivTagRange.StartTag.GetAttributeValue("title");
}
else
{
// If the filename is shortened, the original filename is in the title attribute
originalFileName = fileTextLinkStartTag.GetAttributeValue("title");
// Otherwise, the link's innerHTML contains the original filename
if (originalFileName == null)
{
HtmlTagRange fileTextLinkTagRange = Parser.CreateTagRange(fileTextLinkStartTag);
if (fileTextLinkTagRange == null)
{
continue;
}
originalFileName = Parser.GetInnerHtml(fileTextLinkTagRange);
}
}
if (originalFileName == null)
{
continue;
}
string imageMD5 = fileThumbImageTag.GetAttributeValue("data-md5");
if (imageMD5 == null)
{
continue;
}
ImageInfo image = new ImageInfo {
Url = General.GetAbsoluteUrl(Uri, HttpUtility.HtmlDecode(imageUrl)),
Referer = Url,
UnsanitizedOriginalFileName = HttpUtility.HtmlDecode(originalFileName),
HashType = HashType.MD5,
Hash = General.TryBase64Decode(imageMD5)
};
if (image.Url.Length == 0 || image.FileName.Length == 0 || image.Hash == null)
{
continue;
}
ThumbnailInfo thumb = new ThumbnailInfo {
Url = General.GetAbsoluteUrl(Uri, HttpUtility.HtmlDecode(thumbUrl)),
Referer = Url
};
if (thumb.Url == null || thumb.FileName.Length == 0)
{
continue;
}
if (replaceList != null)
{
HtmlAttribute attribute;
attribute = fileTextLinkStartTag.GetAttribute("href");
if (attribute != null)
{
replaceList.Add(
new ReplaceInfo {
Offset = attribute.Offset,
Length = attribute.Length,
Type = ReplaceType.ImageLinkHref,
Tag = image.FileName
});
}
attribute = fileThumbLinkTagRange.StartTag.GetAttribute("href");
if (attribute != null)
{
replaceList.Add(
new ReplaceInfo {
Offset = attribute.Offset,
Length = attribute.Length,
Type = ReplaceType.ImageLinkHref,
Tag = image.FileName
});
}
attribute = fileThumbImageTag.GetAttribute("src");
if (attribute != null)
{
replaceList.Add(
new ReplaceInfo {
Offset = attribute.Offset,
Length = attribute.Length,
Type = ReplaceType.ImageSrc,
Tag = thumb.FileName
});
}
}
result.Images.Add(image);
if (!isSpoiler || !seenSpoiler)
{
result.Thumbnails.Add(thumb);
if (isSpoiler)
{
seenSpoiler = true;
}
}
}
return(result);
}
public IEnumerable <HtmlTag> FindStartTags(HtmlTagRange containingTagRange, params string[] names)
{
return(FindStartTags(containingTagRange.StartTag, containingTagRange.EndTag, names));
}
public IEnumerable <HtmlTag> EnumerateTags(HtmlTagRange containingTagRange)
{
return(EnumerateTags(containingTagRange.StartTag, containingTagRange.EndTag));
}
public HtmlTag FindTag(bool isEndTag, HtmlTagRange containingTagRange, params string[] names)
{
return(FindTag(isEndTag, containingTagRange.StartTag, containingTagRange.EndTag, names));
}
public string GetInnerHtml(HtmlTagRange tagRange)
{
return(GetInnerHtml(tagRange.StartTag, tagRange.EndTag));
}
