private static void AdjustImages(ref string html, ConverterOptions options, string rootPath = null)
{
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(html);
HtmlNodeCollection imgNodes = doc.DocumentNode.SelectNodes("//img[@src]");
string size = "full";
if (imgNodes == null || imgNodes.Count == 0)
{
return;
}
for (var i = 0; i < imgNodes.Count; i++)
{
HtmlNode node = imgNodes[i];
// If root path is known, check if images are too big for full size class
if (rootPath != null && File.Exists(DragonUtil.GetFullFilePath(node.Attributes["src"].Value, rootPath)))
{
var imageSize = ImageHelper.GetDimensions(DragonUtil.GetFullFilePath(node.Attributes["src"].Value, rootPath));
if (imageSize.x > 700)
{
size = "large";
}
else
{
size = "full";
}
HtmlAttribute width = doc.CreateAttribute("width", imageSize.x.ToString());
node.Attributes.Add(width);
HtmlAttribute height = doc.CreateAttribute("height", imageSize.y.ToString());
node.Attributes.Add(height);
}
if (i == 0 && options.FirstImageIsAlignedRight) // First image should be right aligned, it's the 250x250 image
{
HtmlAttribute classAttribute = doc.CreateAttribute("class", "alignright size-" + size);
node.Attributes.Add(classAttribute);
}
else
{
HtmlAttribute classAttribute = doc.CreateAttribute("class", "aligncenter size-" + size);
node.Attributes.Add(classAttribute);
}
if (options.AddBordersToImages)
{
//HtmlAttribute attr = doc.CreateAttribute("bordered");
//node.Attributes.Add(attr);
node.Attributes["class"].Value += " bordered";
}
}
html = doc.DocumentNode.OuterHtml;
}
public static void ConvertMarkdownFileToHtmlFile(string markdownFilePath, string htmlFilePath,
ConverterOptions options = null)
{
using (StreamReader sr = new StreamReader(markdownFilePath))
{
string html = ConvertMarkdownStringToHtml(sr.ReadToEnd(), options, Path.GetDirectoryName(markdownFilePath));
using (StreamWriter sw = new StreamWriter(htmlFilePath))
{
sw.Write(html);
sw.Flush();
}
}
}
public static string ConvertMarkdownStringToHtml(string markdown, ConverterOptions options = null, string rootPath = null, bool prepareForPreview = false)
{
if (options == null)
{
options = new ConverterOptions();
}
//MarkdownPipeline pipeline = new MarkdownPipelineBuilder().UseAdvancedExtensions().Build();
MarkdownPipeline pipeline = new MarkdownPipelineBuilder().UseEmphasisExtras().UseCustomContainers().Build();
string output = Markdown.ToHtml(markdown, pipeline);
//Console.WriteLine(output);
// HTML readability improvements & RW specific changes
// Code
if (!prepareForPreview)
{
output = output.Replace("<pre><code class=", "\r\n<pre lang=");
output = output.Replace("lang-", "");
output = output.Replace("language-", "");
output = output.Replace("</code></pre>", "</pre>\r\n");
}
// Add attributes
AddClassToImages(ref output, options.FirstImageIsAlignedRight, rootPath);
AddExtraAttributesToLinks(ref output);
// Make new lines consistent across platforms
output = output.Replace("\r\n", "|||");
output = output.Replace("|||", "\n");
// Text
output = output.Replace("<p>", "\n");
output = output.Replace("<br>", "\n");
output = output.Replace("</p>", "");
output = output.Replace("<h1", "\n<h1");
output = output.Replace("<h2", "\n<h2");
output = output.Replace("<h3", "\n<h3");
output = output.Replace("<h4", "\n<h4");
output = output.Replace("<em>", "<i>");
output = output.Replace("</em>", "</i>");
output = output.Replace("<strong>", "<em>");
output = output.Replace("</strong>", "</em>");
// List
//output = output.Replace("<ul>", "\n<ul>");
//output = output.Replace("<ol>", "\n<ol>");
//// Note
output = output.Replace("</blockquote>", "</div>");
output = output.Replace("<blockquote>\n", "\n<blockquote>");
output = output.Replace("<blockquote>\n<em>Note", "<div class=\"note\">\n<em>Note");
output = output.Replace("<blockquote>", "<div>");
// Spoiler
ConvertSpoilers(ref output);
if (options.ReplaceImageWithAltWithCaption && !prepareForPreview)
{
ConvertImagesWithAltToCaptions(ref output);
}
// Final cleanup
output = output.Replace("<div></div>", "");
if (!prepareForPreview)
{
output = WebUtility.HtmlDecode(output);
}
output = output.Trim();
return(output);
}
public static string ConvertMarkdownStringToHtml(string markdown, ConverterOptions options = null, string rootPath = null, bool prepareForPreview = false)
{
if (options == null)
{
options = new ConverterOptions();
}
if (rootPath != null)
{
rootPath = Path.GetDirectoryName(rootPath);
}
//MarkdownPipeline pipeline = new MarkdownPipelineBuilder().UseAdvancedExtensions().Build();
MarkdownPipeline pipeline = new MarkdownPipelineBuilder().UseEmphasisExtras().UseCustomContainers().Build();
string output = Markdown.ToHtml(markdown, pipeline);
// HTML readability improvements & RW specific changes
// Code
if (!prepareForPreview)
{
output = new StringBuilder(output)
.Replace("<pre><code class=", "\r\n<pre lang=")
.Replace("lang-", "")
.Replace("language-", "")
.Replace("</code></pre>", "</pre>\r\n")
.ToString();
}
// Add attributes
AdjustImages(ref output, options, rootPath);
AddExtraAttributesToLinks(ref output);
output = new StringBuilder(output)
.Replace("\r\n", "|||")
.Replace("|||", "\n")
.Replace("<p>", "\n")
.Replace("<br>", "\n")
.Replace("</p>", "")
.Replace("<h1", "\n<h1")
.Replace("<h2", "\n<h2")
.Replace("<h3", "\n<h3")
.Replace("<h4", "\n<h4")
.Replace("<h5", "\n<h5")
.Replace("<h6", "\n<h6")
.Replace("<em>", "<i>")
.Replace("</em>", "</i>")
.Replace("<strong>", "<em>")
.Replace("</strong>", "</em>")
.Replace("</blockquote>", "</div>")
.Replace("<blockquote>\n", "\n<blockquote>")
.Replace("<blockquote>\n<em>Note", "<div class=\"note\">\n<em>Note")
.Replace("<blockquote>", "<div>")
.ToString();
// Spoiler
ConvertSpoilers(ref output);
if (!prepareForPreview)
{
AddCaptionsToImages(ref output);
}
// Final cleanup
output = output.Replace("<div></div>", "");
if (!prepareForPreview)
{
output = WebUtility.HtmlDecode(output);
}
output = output.Trim();
return(output);
}
