/**
* Parses an HTML string and a string containing CSS into a list of Element objects.
* The FontProvider will be obtained from iText's FontFactory object.
*
* @param html a String containing an XHTML snippet
* @param css a String containing CSS
* @return an ElementList instance
*/
public static ElementList ParseToElementList(String html, String css)
{
// CSS
ICSSResolver cssResolver = new StyleAttrCSSResolver();
if (css != null)
{
ICssFile cssFile = XMLWorkerHelper.GetCSS(new MemoryStream(Encoding.Default.GetBytes(css)));
cssResolver.AddCss(cssFile);
}
// HTML
CssAppliers cssAppliers = new CssAppliersImpl(FontFactory.FontImp);
HtmlPipelineContext htmlContext = new HtmlPipelineContext(cssAppliers);
htmlContext.SetTagFactory(Tags.GetHtmlTagProcessorFactory());
htmlContext.AutoBookmark(false);
// Pipelines
ElementList elements = new ElementList();
ElementHandlerPipeline end = new ElementHandlerPipeline(elements, null);
HtmlPipeline htmlPipeline = new HtmlPipeline(htmlContext, end);
CssResolverPipeline cssPipeline = new CssResolverPipeline(cssResolver, htmlPipeline);
// XML Worker
XMLWorker worker = new XMLWorker(cssPipeline, true);
XMLParser p = new XMLParser(worker);
p.Parse(new MemoryStream(Encoding.Default.GetBytes(html)));
return(elements);
}
public static ElementList ParseToElementList(string html, string css)
{
ICSSResolver iCSSResolver = new StyleAttrCSSResolver();
if (css != null)
{
ICssFile cSS = XMLWorkerHelper.GetCSS(new MemoryStream(Encoding.Default.GetBytes(css)));
iCSSResolver.AddCss(cSS);
}
MyFontsProvider fontProvider = new MyFontsProvider();
CssAppliers cssAppliers = new CssAppliersImpl(fontProvider);
//CssAppliers cssAppliers = new CssAppliersImpl(FontFactory.FontImp);
HtmlPipelineContext htmlPipelineContext = new HtmlPipelineContext(cssAppliers);
htmlPipelineContext.SetTagFactory(Tags.GetHtmlTagProcessorFactory());
htmlPipelineContext.AutoBookmark(false);
ElementList elementList = new ElementList();
ElementHandlerPipeline next = new ElementHandlerPipeline(elementList, null);
HtmlPipeline next2 = new HtmlPipeline(htmlPipelineContext, next);
CssResolverPipeline pipeline = new CssResolverPipeline(iCSSResolver, next2);
XMLWorker listener = new XMLWorker(pipeline, true);
XMLParser xMLParser = new XMLParser(listener);
//因为XMLWork不支持html的单标签，所以要对单标签进行过滤。不然就会报错：Invalid nested tag div found, expected closing tag br
html = html.Replace("<br>", "").Replace("<hr>", "").Replace("<img>", "").Replace("<param>", "")
.Replace("<link>", "");
//xMLParser.Parse(new MemoryStream(Encoding.Default.GetBytes(html)));
xMLParser.Parse(new MemoryStream(Encoding.UTF8.GetBytes(html)));
return(elementList);
}
public void SetUp()
{
lst = new List <IWritable>();
IElementHandler elemH = new CustomElementHandler();
p = new ElementHandlerPipeline(elemH, null);
po = new ProcessObject();
writable = new WritableElement(new Chunk("aaaaa"));
po.Add(writable);
context = new WorkerContextImpl();
p.Init(context);
}
/// <summary>
/// Creates a <see cref="PdfTable"/> object from specified <b>HTML</b> code.
/// </summary>
/// <param name="html">A reference to input html code to convert.</param>
/// <param name="css">A reference to css styles to apply.</param>
/// <param name="config">Table configuration reference.</param>
/// <returns>
/// A new <see cref="PdfPTable"/> that contains a
/// </returns>
public static PdfTable CreateFromHtml(string html, string css = default, PdfTableConfig config = null)
{
var hasCss = !string.IsNullOrEmpty(css);
if (!hasCss)
{
css = " ";
}
// css
StyleAttrCSSResolver cssResolver = new StyleAttrCSSResolver();
ICssFile cssFile = XMLWorkerHelper.GetCSS(css.AsStream());
cssResolver.AddCss(cssFile);
// html
XMLWorkerFontProvider fontProvider = new XMLWorkerFontProvider(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Fonts)));
CssAppliers cssAppliers = new CssAppliersImpl(fontProvider);
HtmlPipelineContext htmlContext = new HtmlPipelineContext(cssAppliers);
htmlContext.SetTagFactory(Tags.GetHtmlTagProcessorFactory());
// pipelines
ElementList elements = new ElementList();
ElementHandlerPipeline pdf = new ElementHandlerPipeline(elements, null);
HtmlPipeline htmlPipeline = new HtmlPipeline(htmlContext, pdf);
CssResolverPipeline cssPipeline = new CssResolverPipeline(cssResolver, htmlPipeline);
// XML Worker
XMLWorker worker = new XMLWorker(cssPipeline, true);
XMLParser parser = new XMLParser(worker, Encoding.UTF8);
parser.Parse(html.AsStream(Encoding.UTF8));
PdfPTable nativeTable = (PdfPTable)elements[0];
return(new PdfTable(nativeTable, config));
}
