protected override void Render(RenderingWorkUnit workUnit, ConversionApplicationOptions options, string outputFilePath)
{
var wi = ((UrlWorkUnit)workUnit);
using (var document = new HTMLDocument(wi.Data, GetConfiguration(options)))
{
document.Save(outputFilePath, HTMLSaveFormat.MHTML);
}
}
public static void Run()
{
// ExStart:CreateSimpleDocument
string dataDir = RunExamples.GetDataDir_Data();
String outputHtml = dataDir + "SimpleDocument.html";
// Create an instance of HTMLDocument
var document = new HTMLDocument();
// Add image
if (document.CreateElement("img") is HTMLImageElement img)
{
img.Src = "http://via.placeholder.com/400x200";
img.Alt = "Placeholder 400x200";
img.Title = "Placeholder image";
document.Body.AppendChild(img);
}
// Add ordered list
var orderedListElement = document.CreateElement("ol") as HTMLOListElement;
for (int i = 0; i < 10; i++)
{
var listItem = document.CreateElement("li") as HTMLLIElement;
listItem.TextContent = $" List Item {i + 1}";
orderedListElement.AppendChild(listItem);
}
document.Body.AppendChild(orderedListElement);
// Add table 3x3
var table = document.CreateElement("table") as HTMLTableElement;
var tBody = document.CreateElement("tbody") as HTMLTableSectionElement;
for (var i = 0; i < 3; i++)
{
var row = document.CreateElement("tr") as HTMLTableRowElement;
row.Id = "trow_" + i;
for (var j = 0; j < 3; j++)
{
var cell = document.CreateElement("td") as HTMLTableCellElement;
cell.Id = $"cell{i}_{j}";
cell.TextContent = "Cell " + j;
row.AppendChild(cell);
}
tBody.AppendChild(row);
}
table.AppendChild(tBody);
document.Body.AppendChild(table);
//Save the document to disk
document.Save(outputHtml);
// ExEnd:CreateSimpleDocument
}
public override void Export(RadDocument document, Stream output)
{
//export as HTML
using (output)
{
htmlProvider.Export(document, output);
}
//using Aspose.HTML to convert html to markdown
var documentap = new HTMLDocument(outPath + "\\hide.html");
var path = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
documentap.Save(Path.GetFullPath(outPath + "\\MarkDownFile.md"), HTMLSaveFormat.Markdown);
}
private void SaveDocument(string name, String htmlPath, int handlingDepth)
{
var outPath = Path.Combine(_htmlOutputPath, name);
Console.WriteLine(Path.GetFullPath(outPath));
MHTMLSaveOptions mhtmlSaveOptions = new MHTMLSaveOptions();
mhtmlSaveOptions.ResourceHandlingOptions.UrlRestriction = UrlRestriction.SameHost;
mhtmlSaveOptions.ResourceHandlingOptions.MaxHandlingDepth = handlingDepth;
using (var htmlContainer = new HTMLDocument(htmlPath))
{
htmlContainer.Save(outPath, mhtmlSaveOptions);
}
}
public void CreateDocumentFromContentStringTest()
{
// Prepare HTML code
var html_code = "<p>Hello World!</p>";
// Initialize a document from the string variable
using (var document = new HTMLDocument(html_code, "."))
{
// Save the document to a disk
document.Save(Path.Combine(OutputDir, "create-from-string.html"));
}
Assert.True(File.Exists(Path.Combine(OutputDir, "create-from-string.html")));
}
public void EditInternalCSSTest()
{
// Create an instance of an HTML document with specified content
var content = "<div><p>Internal CSS</p><p>An internal CSS is used to define a style for a single HTML page</p></div>";
using (var document = new HTMLDocument(content, "."))
{
var style = document.CreateElement("style");
style.TextContent = ".frame1 { margin-top:50px; margin-left:50px; padding:20px; width:360px; height:90px; background-color:#a52a2a; font-family:verdana; color:#FFF5EE;} \r\n" +
".frame2 { margin-top:-90px; margin-left:160px; text-align:center; padding:20px; width:360px; height:100px; background-color:#ADD8E6;}";
// Find the document header element and append the style element to the header
var head = document.GetElementsByTagName("head").First();
head.AppendChild(style);
// Find the first paragraph element to inspect the styles
var paragraph = (HTMLElement)document.GetElementsByTagName("p").First();
paragraph.ClassName = "frame1";
// Find the last paragraph element to inspect the styles
var lastParagraph = (HTMLElement)document.GetElementsByTagName("p").Last();
lastParagraph.ClassName = "frame2";
// Set a color to the first paragraph
paragraph.Style.FontSize = "250%";
paragraph.Style.TextAlign = "center";
// Set a font-size to the last paragraph
lastParagraph.Style.Color = "#434343";
lastParagraph.Style.FontSize = "150%";
lastParagraph.Style.FontFamily = "verdana";
// Save the HTML document to a file
document.Save(Path.Combine(OutputDir, "edit-internal-css.html"));
// Create the instance of the PDF output device and render the document into this device
using (var device = new PdfDevice(Path.Combine(OutputDir, "edit-internal-css.pdf")))
{
// Render HTML to PDF
document.RenderTo(device);
}
Assert.True(document.QuerySelectorAll("style").Length > 0);
Assert.True(File.Exists(Path.Combine(OutputDir, "edit-internal-css.pdf")));
Assert.True(File.Exists(Path.Combine(OutputDir, "edit-internal-css.html")));
}
}
public void LoadDocumentFromFileTest1()
{
// Prepare a path to a file
string documentPath = Path.Combine(DataDir, "Sprite.html");
// Initialize an HTML document from the file
using (var document = new HTMLDocument(documentPath))
{
// Work with the document
// Save the document to a disk
document.Save(Path.Combine(OutputDir, "Sprite_out.html"));
}
Assert.True(File.Exists(Path.Combine(OutputDir, "Sprite_out.html")));
}
public void CreateEmptyDocumentTest()
{
// Prepare an output path for a document saving
string documentPath = Path.Combine(OutputDir, "create-empty-document.html");
// Initialize an empty HTML Document
using (var document = new HTMLDocument())
{
// Work with the document
// Save the document to a file
document.Save(documentPath);
}
Assert.True(File.Exists(documentPath));
}
public void CreateNewDocumentTest()
{
// Prepare an output path for a document saving
string documentPath = Path.Combine(OutputDir, "create-new-document.html");
// Initialize an empty HTML Document
using (var document = new HTMLDocument())
{
// Create a text element and add it to the document
var text = document.CreateTextNode("Hello World!");
document.Body.AppendChild(text);
// Save the document to a disk
document.Save(documentPath);
}
Assert.True(File.Exists(documentPath));
}
public void SaveHTMLToMDTest()
{
// Prepare an output path for a document saving
string documentPath = Path.Combine(OutputDir, "save-to-MD.md");
// Prepare HTML code
var html_code = "<H2>Hello World!</H2>";
// Initialize a document from a string variable
using (var document = new HTMLDocument(html_code, "."))
{
// Save the document as a Markdown file
document.Save(documentPath, HTMLSaveFormat.Markdown);
Assert.True(document.QuerySelectorAll("H2").Length > 0);
}
Assert.True(File.Exists(documentPath));
}
public void SaveHTMLToFileTest()
{
// Prepare an output path for a document saving
string documentPath = Path.Combine(OutputDir, "save-to-file.html");
// Initialize an empty HTML document
using (var document = new HTMLDocument())
{
// Create a text element and add it to the document
var text = document.CreateTextNode("Hello World!");
document.Body.AppendChild(text);
// Save the HTML document to the file on a disk
document.Save(documentPath);
Assert.True(document.QuerySelectorAll("body").Length > 0);
}
Assert.True(File.Exists(documentPath));
}
public void UsingDOMTest()
{
// Create an instance of an HTML document
using (var document = new HTMLDocument())
{
// Create a style element and assign the green color for all elements with class-name equals 'gr'.
var style = document.CreateElement("style");
style.TextContent = ".gr { color: green }";
// Find the document header element and append style element to the header
var head = document.GetElementsByTagName("head").First();
head.AppendChild(style);
// Create a paragraph element with class-name 'gr'.
var p = (HTMLParagraphElement)document.CreateElement("p");
p.ClassName = "gr";
// Create a text node
var text = document.CreateTextNode("Hello World!!");
// Append the text node to the paragraph
p.AppendChild(text);
// Append the paragraph to the document body element
document.Body.AppendChild(p);
// Save the HTML document to a file
document.Save(Path.Combine(OutputDir, "using-dom.html"));
// Create an instance of the PDF output device and render the document into this device
using (var device = new PdfDevice(Path.Combine(OutputDir, "using-dom.pdf")))
{
// Render HTML to PDF
document.RenderTo(device);
}
Assert.True(File.Exists(Path.Combine(OutputDir, "using-dom.pdf")));
}
}
public void LoadDocumentFromStreamTest()
{
// Create a memory stream object
using (var mem = new MemoryStream())
using (var sw = new StreamWriter(mem))
{
// Write the HTML Code into memory object
sw.Write("<p>Hello World! I love HTML!</p>");
// It is important to set the position to the beginning, since HTMLDocument starts the reading exactly from the current position within the stream
sw.Flush();
mem.Seek(0, SeekOrigin.Begin);
// Initialize a document from the string variable
using (var document = new HTMLDocument(mem, "."))
{
// Save the document to disk
document.Save(Path.Combine(OutputDir, "load-from-stream.html"));
Assert.True(document.QuerySelectorAll("p").Length > 0);
}
}
}
public void SaveHTMLToMHTMLTest()
{
// Prepare an output path for a document saving
string savePath = Path.Combine(OutputDir, "save-to-MHTML.mht");
// Prepare a simple HTML file with a linked document
File.WriteAllText("save-to-MHTML.html", "<p>Hello World!</p>" +
"<a href='linked-file.html'>linked file</a>");
// Prepare a simple linked HTML file
File.WriteAllText("linked-file.html", "<p>Hello linked file!</p>");
// Load the "save-to-MTHML.html" into memory
using (var document = new HTMLDocument("save-to-MHTML.html"))
{
// Save the document to MHTML format
document.Save(savePath, HTMLSaveFormat.MHTML);
Assert.True(document.QuerySelectorAll("a").Length > 0);
}
Assert.True(File.Exists(savePath));
}
public void EditExternalCSSTest()
{
// Prepare content of a CSS file
var styleContent = ".flower1 { width:120px; height:40px; border-radius:20px; background:#4387be; margin-top:50px; } \r\n" +
".flower2 { margin-left:0px; margin-top:-40px; background:#4387be; border-radius:20px; width:120px; height:40px; transform:rotate(60deg); } \r\n" +
".flower3 { transform:rotate(-60deg); margin-left:0px; margin-top:-40px; width:120px; height:40px; border-radius:20px; background:#4387be; }\r\n" +
".frame { margin-top:-50px; margin-left:310px; width:160px; height:50px; font-size:2em; font-family:Verdana; color:grey; }\r\n";
// Prepare a linked CSS file
File.WriteAllText("flower.css", styleContent);
// Create an instance of HTML document with specified content
var htmlContent = "<link rel=\"stylesheet\" href=\"flower.css\" type=\"text/css\" /> \r\n" +
"<div style=\"margin-top: 80px; margin-left:250px; transform: scale(1.3);\" >\r\n" +
"<div class=\"flower1\" ></div>\r\n" +
"<div class=\"flower2\" ></div>\r\n" +
"<div class=\"flower3\" ></div></div>\r\n" +
"<div style = \"margin-top: -90px; margin-left:120px; transform:scale(1);\" >\r\n" +
"<div class=\"flower1\" style=\"background: #93cdea;\"></div>\r\n" +
"<div class=\"flower2\" style=\"background: #93cdea;\"></div>\r\n" +
"<div class=\"flower3\" style=\"background: #93cdea;\"></div></div>\r\n" +
"<div style =\"margin-top: -90px; margin-left:-80px; transform: scale(0.7);\" >\r\n" +
"<div class=\"flower1\" style=\"background: #d5effc;\"></div>\r\n" +
"<div class=\"flower2\" style=\"background: #d5effc;\"></div>\r\n" +
"<div class=\"flower3\" style=\"background: #d5effc;\"></div></div>\r\n" +
"<p class=\"frame\">External</p>\r\n" +
"<p class=\"frame\" style=\"letter-spacing:10px; font-size:2.5em \"> CSS </p>\r\n";
using (var document = new HTMLDocument(htmlContent, "."))
{
// Save the HTML document to a file
document.Save(Path.Combine(OutputDir, "edit-external-css.html"));
}
Assert.True(File.Exists(Path.Combine(OutputDir, "edit-external-css.html")));
}
public void Merge(string[] htmlFiles, string outPath)
{
_htmlOutputPath = Path.GetDirectoryName(outPath);
var temp = Path.Combine(_htmlOutputPath, "Output2");
Directory.CreateDirectory(temp);
for (var i = 0; i < htmlFiles.Length; i++)
{
var htmlFile = htmlFiles[i];
var fileName = Path.GetFileName(htmlFile);
var tempOutputFilePath = Path.Combine(temp, fileName);
File.Copy(htmlFile, tempOutputFilePath);
htmlFiles[i] = tempOutputFilePath;
using (var htmlDocument = new HTMLDocument(htmlFiles[i]))
{
HTMLDivElement anchorDivContainer = (HTMLDivElement)htmlDocument.CreateElement("div");
HTMLBodyElement htmlDocumentBody = (HTMLBodyElement)htmlDocument.Body;
HTMLHeadElement head = (HTMLHeadElement)htmlDocument.GetElementsByTagName("head")[0];
HTMLStyleElement htmlStyleElement = (HTMLStyleElement)htmlDocument.CreateElement("style");
var resetEvent = new AutoResetEvent(false);
htmlStyleElement.OnLoad += (sender, e) => { resetEvent.Set(); };
htmlStyleElement.OnError += (sender, e) => { resetEvent.Set(); };
var cssContent = htmlDocument.CreateTextNode(_content);
htmlStyleElement.AppendChild(cssContent);
head.AppendChild(htmlStyleElement);
resetEvent.WaitOne();
anchorDivContainer.SetAttribute("class", "container");
anchorDivContainer.SetAttribute("align", "center");
var paragraphElement = GetParagraphElement(htmlDocument, "Navigation");
anchorDivContainer.AppendChild(paragraphElement);
if (i != 0)
{
var anchorBackward = GetAnchorElement(htmlDocument, "Backward");
anchorBackward.Href = Path.GetFileName(htmlFiles[i - 1]);
anchorDivContainer.AppendChild(anchorBackward);
}
else
{
HTMLAnchorElement anchorBackward = GetAnchorElement(htmlDocument, "Backward");
anchorBackward.Href = Path.GetFileName(htmlFiles[htmlFiles.Length - 1]);
anchorDivContainer.AppendChild(anchorBackward);
}
if (i != htmlFiles.Length - 1)
{
HTMLAnchorElement anchorForward = GetAnchorElement(htmlDocument, "Forward");
anchorForward.Href = Path.GetFileName(htmlFiles[i + 1]);
anchorDivContainer.AppendChild(anchorForward);
}
else
{
HTMLAnchorElement anchorForward = GetAnchorElement(htmlDocument, "Forward");
anchorForward.Href = Path.GetFileName(htmlFiles[0]);
anchorDivContainer.AppendChild(anchorForward);
}
Node firstChild = htmlDocumentBody.FirstChild;
htmlDocumentBody.InsertBefore(anchorDivContainer, firstChild);
var outputPath = Path.Combine(_htmlOutputPath, fileName);
htmlDocument.Save(outputPath);
htmlDocument.Dispose();
htmlFiles[i] = outputPath;
ClearDirectory(temp);
}
}
var name = Path.GetFileNameWithoutExtension(outPath);
SaveDocument($"{name}.mhtml", htmlFiles[0], htmlFiles.Length);
}
