public string ParseDocument(Stream stream)
{
XNamespace w = "http://www.w3.org/1999/xhtml";
string result;
var byteArray = stream.ToByteArray((int) stream.Length);
using (var memoryStream = new MemoryStream())
{
memoryStream.Write(byteArray, 0, byteArray.Length);
using (var doc = WordprocessingDocument.Open(memoryStream, true))
{
var settings = new HtmlConverterSettings();
XElement html = HtmlConverter.ConvertToHtml(doc, settings);
// Note: the XHTML returned by ConvertToHtmlTransform contains objects of type
// XEntity. PtOpenXmlUtil.cs defines the XEntity class. See
// http://blogs.msdn.com/ericwhite/archive/2010/01/21/writing-entity-references-using-linq-to-xml.aspx
// for detailed explanation.
//
// If you further transform the XML tree returned by ConvertToHtmlTransform, you
// must do it correctly, or entities do not serialize properly.
var bodyContainer = html.Element(w + "body");
result = bodyContainer.ToStringNewLineOnAttributes();
}
}
return result;
}
/// <summary>
/// Converts a specific node instead of the whole word document into HTML.
/// Note: this method is added for the above purpose. See the other method:
/// public static XElement ConvertToHtml(WordprocessingDocument wordDoc, HtmlConverterSettings htmlConverterSettings, Func<ImageInfo, XElement> imageHandler)
/// </summary>
/// <param name="wordDoc"></param>
/// <param name="node">The node to convert to HTML.</param>
/// <param name="htmlConverterSettings"></param>
/// <returns></returns>
public static XElement ConvertToHtml(WordprocessingDocument wordDoc, XNode node,
HtmlConverterSettings htmlConverterSettings)
{
InitEntityMap();
if (htmlConverterSettings.ConvertFormatting)
{
throw new InvalidSettingsException("Conversion with formatting is not supported");
}
RevisionAccepter.AcceptRevisions(wordDoc);
SimplifyMarkupSettings settings = new SimplifyMarkupSettings
{
RemoveComments = true,
RemoveContentControls = true,
RemoveEndAndFootNotes = true,
RemoveFieldCodes = false,
RemoveLastRenderedPageBreak = true,
RemovePermissions = true,
RemoveProof = true,
RemoveRsidInfo = true,
RemoveSmartTags = true,
RemoveSoftHyphens = true,
ReplaceTabsWithSpaces = true,
};
MarkupSimplifier.SimplifyMarkup(wordDoc, settings);
AnnotateHyperlinkContent((XElement)node);
XElement xhtml = (XElement)ConvertToHtmlTransform(wordDoc, htmlConverterSettings,
node, null);
return(xhtml);
}
public static XElement ConvertToHtml(WmlDocument doc, HtmlConverterSettings htmlConverterSettings, Func <ImageInfo, XElement> imageHandler)
{
using (OpenXmlMemoryStreamDocument streamDoc = new OpenXmlMemoryStreamDocument(doc))
{
using (WordprocessingDocument document = streamDoc.GetWordprocessingDocument())
{
return(ConvertToHtml(document, htmlConverterSettings, imageHandler));
}
}
}
public static XElement ConvertToHtml(WmlDocument doc, HtmlConverterSettings htmlConverterSettings)
{
using (OpenXmlMemoryStreamDocument streamDoc = new OpenXmlMemoryStreamDocument(doc))
{
using (WordprocessingDocument document = streamDoc.GetWordprocessingDocument())
{
return(ConvertToHtml(document, htmlConverterSettings));
}
}
}
public static XElement ConvertToHtml(WmlDocument doc, HtmlConverterSettings htmlConverterSettings)
{
using (OpenXmlMemoryStreamDocument streamDoc = new OpenXmlMemoryStreamDocument(doc))
{
using (WordprocessingDocument document = streamDoc.GetWordprocessingDocument())
{
return ConvertToHtml(document, htmlConverterSettings);
}
}
}
public static XElement ConvertToHtml(WmlDocument doc, HtmlConverterSettings htmlConverterSettings, Func<ImageInfo, XElement> imageHandler)
{
using (OpenXmlMemoryStreamDocument streamDoc = new OpenXmlMemoryStreamDocument(doc))
{
using (WordprocessingDocument document = streamDoc.GetWordprocessingDocument())
{
return ConvertToHtml(document, htmlConverterSettings, imageHandler);
}
}
}
public static XElement ConvertToHtml(WordprocessingDocument wordDoc,
HtmlConverterSettings htmlConverterSettings, Func <ImageInfo, XElement> imageHandler)
{
InitEntityMap();
if (htmlConverterSettings.ConvertFormatting)
{
throw new InvalidSettingsException("Conversion with formatting is not supported");
}
RevisionAccepter.AcceptRevisions(wordDoc);
SimplifyMarkupSettings settings = new SimplifyMarkupSettings
{
RemoveComments = true,
RemoveContentControls = true,
RemoveEndAndFootNotes = true,
RemoveFieldCodes = false,
RemoveLastRenderedPageBreak = true,
RemovePermissions = true,
RemoveProof = true,
RemoveRsidInfo = true,
RemoveSmartTags = true,
RemoveSoftHyphens = true,
ReplaceTabsWithSpaces = true,
};
MarkupSimplifier.SimplifyMarkup(wordDoc, settings);
XElement rootElement = wordDoc.MainDocumentPart.GetXDocument().Root;
AnnotateHyperlinkContent(rootElement);
XElement xhtml = (XElement)ConvertToHtmlTransform(wordDoc, htmlConverterSettings,
rootElement, imageHandler);
// Note: the xhtml returned by ConvertToHtmlTransform contains objects of type
// XEntity. PtOpenXmlUtil.cs define the XEntity class. See
// http://blogs.msdn.com/ericwhite/archive/2010/01/21/writing-entity-references-using-linq-to-xml.aspx
// for detailed explanation.
//
// If you further transform the XML tree returned by ConvertToHtmlTransform, you
// must do it correctly, or entities will not be serialized properly.
return(xhtml);
}
public static XElement ConvertToHtml(WordprocessingDocument wordDoc,
HtmlConverterSettings htmlConverterSettings, Func<ImageInfo, XElement> imageHandler)
{
InitEntityMap();
if (htmlConverterSettings.ConvertFormatting)
{
throw new InvalidSettingsException("Conversion with formatting is not supported");
}
RevisionAccepter.AcceptRevisions(wordDoc);
SimplifyMarkupSettings settings = new SimplifyMarkupSettings
{
RemoveComments = true,
RemoveContentControls = true,
RemoveEndAndFootNotes = true,
RemoveFieldCodes = false,
RemoveLastRenderedPageBreak = true,
RemovePermissions = true,
RemoveProof = true,
RemoveRsidInfo = true,
RemoveSmartTags = true,
RemoveSoftHyphens = true,
ReplaceTabsWithSpaces = true,
};
MarkupSimplifier.SimplifyMarkup(wordDoc, settings);
XElement rootElement = wordDoc.MainDocumentPart.GetXDocument().Root;
AnnotateHyperlinkContent(rootElement);
XElement xhtml = (XElement)ConvertToHtmlTransform(wordDoc, htmlConverterSettings,
rootElement, imageHandler);
// Note: the xhtml returned by ConvertToHtmlTransform contains objects of type
// XEntity. PtOpenXmlUtil.cs define the XEntity class. See
// http://blogs.msdn.com/ericwhite/archive/2010/01/21/writing-entity-references-using-linq-to-xml.aspx
// for detailed explanation.
//
// If you further transform the XML tree returned by ConvertToHtmlTransform, you
// must do it correctly, or entities will not be serialized properly.
return xhtml;
}
private static object CreateBorderDivs(WordprocessingDocument wordDoc, HtmlConverterSettings settings, IEnumerable<XElement> elements)
{
return elements.GroupAdjacent(e =>
{
var pBdr = e.Elements(W.pPr).Elements(W.pBdr).FirstOrDefault();
if (pBdr != null)
{
var indStr = string.Empty;
var ind = e.Elements(W.pPr).Elements(W.ind).FirstOrDefault();
if (ind != null)
indStr = ind.ToString(SaveOptions.DisableFormatting);
return pBdr.ToString(SaveOptions.DisableFormatting) + indStr;
}
return e.Name == W.tbl ? "table" : string.Empty;
})
.Select(g =>
{
if (g.Key == string.Empty)
{
return (object) GroupAndVerticallySpaceNumberedParagraphs(wordDoc, settings, g, 0m);
}
if (g.Key == "table")
{
return g.Select(gc => ConvertToHtmlTransform(wordDoc, settings, gc, false, 0));
}
var pPr = g.First().Elements(W.pPr).First();
var pBdr = pPr.Element(W.pBdr);
var style = new Dictionary<string, string>();
GenerateBorderStyle(pBdr, W.top, style, BorderType.Paragraph);
GenerateBorderStyle(pBdr, W.right, style, BorderType.Paragraph);
GenerateBorderStyle(pBdr, W.bottom, style, BorderType.Paragraph);
GenerateBorderStyle(pBdr, W.left, style, BorderType.Paragraph);
var currentMarginLeft = 0m;
var ind = pPr.Element(W.ind);
if (ind != null)
{
var leftInInches = (decimal?) ind.Attribute(W.left)/1440m ?? 0;
var hangingInInches = -(decimal?) ind.Attribute(W.hanging)/1440m ?? 0;
currentMarginLeft = leftInInches + hangingInInches;
style.AddIfMissing("margin-left",
currentMarginLeft > 0m
? string.Format(NumberFormatInfo.InvariantInfo, "{0:0.00}in", currentMarginLeft)
: "0");
}
var div = new XElement(Xhtml.div,
GroupAndVerticallySpaceNumberedParagraphs(wordDoc, settings, g, currentMarginLeft));
div.AddAnnotation(style);
return div;
})
.ToList();
}
private static object ConvertToHtmlTransform(WordprocessingDocument wordDoc,
HtmlConverterSettings settings, XNode node,
bool suppressTrailingWhiteSpace,
decimal currentMarginLeft)
{
var element = node as XElement;
if (element == null) return null;
// Transform the w:document element to the XHTML h:html element.
// The h:head element is laid out based on the W3C's recommended layout, i.e.,
// the charset (using the HTML5-compliant form), the title (which is always
// there but possibly empty), and other meta tags.
if (element.Name == W.document)
{
return new XElement(Xhtml.html,
new XElement(Xhtml.head,
new XElement(Xhtml.meta, new XAttribute("charset", "UTF-8")),
settings.PageTitle != null
? new XElement(Xhtml.title, new XText(settings.PageTitle))
: new XElement(Xhtml.title, new XText(string.Empty)),
new XElement(Xhtml.meta,
new XAttribute("name", "Generator"),
new XAttribute("content", "PowerTools for Open XML"))),
element.Elements()
.Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft)));
}
// Transform the w:body element to the XHTML h:body element.
if (element.Name == W.body)
{
return new XElement(Xhtml.body, CreateSectionDivs(wordDoc, settings, element));
}
// Transform the w:p element to the XHTML h:h1-h6 or h:p element (if the previous paragraph does not
// have a style separator).
if (element.Name == W.p)
{
return ProcessParagraph(wordDoc, settings, element, suppressTrailingWhiteSpace, currentMarginLeft);
}
// Transform hyperlinks to the XHTML h:a element.
if (element.Name == W.hyperlink && element.Attribute(R.id) != null)
{
try
{
return new XElement(Xhtml.a,
new XAttribute("href",
wordDoc.MainDocumentPart
.HyperlinkRelationships
.First(x => x.Id == (string)element.Attribute(R.id))
.Uri
),
element.Elements(W.r).Select(run => ConvertRun(wordDoc, settings, run))
);
}
catch (UriFormatException)
{
return element.Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft));
}
}
// Transform hyperlinks to bookmarks to the XHTML h:a element.
if (element.Name == W.hyperlink && element.Attribute(W.anchor) != null)
{
return ProcessHyperlinkToBookmark(wordDoc, settings, element);
}
// Transform contents of runs.
if (element.Name == W.r)
{
return ConvertRun(wordDoc, settings, element);
}
// Transform w:bookmarkStart into anchor
if (element.Name == W.bookmarkStart)
{
return ProcessBookmarkStart(element);
}
// Transform every w:t element to a text node.
if (element.Name == W.t)
{
// We don't need to convert characters to entities in a UTF-8 document.
// Further, we don't need entities for significant whitespace
// because we are wrapping the text nodes in <span> elements within
// which all whitespace is significant.
return new XText(element.Value);
}
// Transform symbols to spans
if (element.Name == W.sym)
{
var cs = (string)element.Attribute(W._char);
var c = Convert.ToInt32(cs, 16);
return new XElement(Xhtml.span, new XEntity(string.Format("#{0}", c)));
}
// Transform tabs that have the pt:TabWidth attribute set
if (element.Name == W.tab)
{
return ProcessTab(element);
}
// Transform w:br to h:br.
if (element.Name == W.br || element.Name == W.cr)
{
return ProcessBreak(element);
}
// Transform w:noBreakHyphen to '-'
if (element.Name == W.noBreakHyphen)
{
return new XText("-");
}
// Transform w:tbl to h:tbl.
if (element.Name == W.tbl)
{
return ProcessTable(wordDoc, settings, element, currentMarginLeft);
}
// Transform w:tr to h:tr.
if (element.Name == W.tr)
{
return ProcessTableRow(wordDoc, settings, element, currentMarginLeft);
}
// Transform w:tc to h:td.
if (element.Name == W.tc)
{
return ProcessTableCell(wordDoc, settings, element);
}
// Transform images
if (element.Name == W.drawing || element.Name == W.pict || element.Name == W._object)
{
return ProcessImage(wordDoc, element, settings.ImageHandler);
}
// Transform content controls.
if (element.Name == W.sdt)
{
return ProcessContentControl(wordDoc, settings, element, currentMarginLeft);
}
// Transform smart tags and simple fields.
if (element.Name == W.smartTag || element.Name == W.fldSimple)
{
return CreateBorderDivs(wordDoc, settings, element.Elements());
}
// Ignore element.
return null;
}
public XElement ConvertToHtml(HtmlConverterSettings htmlConverterSettings)
{
return(HtmlConverter.ConvertToHtml(this, htmlConverterSettings));
}
/*
* Handle:
* - b
* - bdr
* - caps
* - color
* - dstrike
* - highlight
* - i
* - position
* - rFonts
* - shd
* - smallCaps
* - spacing
* - strike
* - sz
* - u
* - vanish
* - vertAlign
*
* Don't handle:
* - em
* - emboss
* - fitText
* - imprint
* - kern
* - outline
* - shadow
* - w
*
*/
private static object ConvertRun(WordprocessingDocument wordDoc, HtmlConverterSettings settings, XElement run)
{
var rPr = run.Element(W.rPr);
if (rPr == null)
return run.Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, 0m));
// hide all content that contains the w:rPr/w:webHidden element
if (rPr.Element(W.webHidden) != null)
return null;
var style = DefineRunStyle(run);
object content = run.Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, 0m));
// Wrap content in h:sup or h:sub elements as necessary.
if (rPr.Element(W.vertAlign) != null)
{
XElement newContent = null;
var vertAlignVal = (string)rPr.Elements(W.vertAlign).Attributes(W.val).FirstOrDefault();
switch (vertAlignVal)
{
case "superscript":
newContent = new XElement(Xhtml.sup, content);
break;
case "subscript":
newContent = new XElement(Xhtml.sub, content);
break;
}
if (newContent != null && newContent.Nodes().Any())
content = newContent;
}
var langAttribute = GetLangAttribute(run);
XEntity runStartMark;
XEntity runEndMark;
DetermineRunMarks(run, rPr, style, out runStartMark, out runEndMark);
if (style.Any() || langAttribute != null || runStartMark != null)
{
style.AddIfMissing("margin", "0");
style.AddIfMissing("padding", "0");
var xe = new XElement(Xhtml.span,
langAttribute,
runStartMark,
content,
runEndMark);
xe.AddAnnotation(style);
content = xe;
}
return content;
}
public static void ConvertToHtml(string file, string outputDirectory)
{
var fi = new FileInfo(file);
byte[] byteArray = File.ReadAllBytes(fi.FullName);
using (MemoryStream memoryStream = new MemoryStream())
{
memoryStream.Write(byteArray, 0, byteArray.Length);
using (WordprocessingDocument wDoc = WordprocessingDocument.Open(memoryStream, true))
{
var destFileName = new FileInfo(fi.Name.Replace(".docx", ".html"));
if (outputDirectory != null && outputDirectory != string.Empty)
{
DirectoryInfo di = new DirectoryInfo(outputDirectory);
if (!di.Exists)
{
throw new OpenXmlPowerToolsException("Output directory does not exist");
}
destFileName = new FileInfo(Path.Combine(di.FullName, destFileName.Name));
}
var imageDirectoryName = destFileName.FullName.Substring(0, destFileName.FullName.Length - 5) + "_files";
int imageCounter = 0;
var pageTitle = (string)wDoc.CoreFilePropertiesPart.GetXDocument().Descendants(DC.title).FirstOrDefault();
if (pageTitle == null)
{
pageTitle = fi.FullName;
}
HtmlConverterSettings settings = new HtmlConverterSettings()
{
PageTitle = pageTitle,
FabricateCssClasses = true,
CssClassPrefix = "pt-",
RestrictToSupportedLanguages = false,
RestrictToSupportedNumberingFormats = false,
ImageHandler = imageInfo =>
{
DirectoryInfo localDirInfo = new DirectoryInfo(imageDirectoryName);
if (!localDirInfo.Exists)
{
localDirInfo.Create();
}
++imageCounter;
string extension = imageInfo.ContentType.Split('/')[1].ToLower();
ImageFormat imageFormat = null;
if (extension == "png")
{
// Convert png to jpeg.
extension = "gif";
imageFormat = ImageFormat.Gif;
}
else if (extension == "gif")
{
imageFormat = ImageFormat.Gif;
}
else if (extension == "bmp")
{
imageFormat = ImageFormat.Bmp;
}
else if (extension == "jpeg")
{
imageFormat = ImageFormat.Jpeg;
}
else if (extension == "tiff")
{
// Convert tiff to gif.
extension = "gif";
imageFormat = ImageFormat.Gif;
}
else if (extension == "x-wmf")
{
extension = "wmf";
imageFormat = ImageFormat.Wmf;
}
// If the image format isn't one that we expect, ignore it,
// and don't return markup for the link.
if (imageFormat == null)
{
return(null);
}
string imageFileName = imageDirectoryName + "/image" +
imageCounter.ToString() + "." + extension;
try
{
imageInfo.Bitmap.Save(imageFileName, imageFormat);
}
catch (System.Runtime.InteropServices.ExternalException)
{
return(null);
}
XElement img = new XElement(Xhtml.img,
new XAttribute(NoNamespace.src, imageFileName),
imageInfo.ImgStyleAttribute,
imageInfo.AltText != null ?
new XAttribute(NoNamespace.alt, imageInfo.AltText) : null);
return(img);
}
};
XElement html = HtmlConverter.ConvertToHtml(wDoc, settings);
// Note: the xhtml returned by ConvertToHtmlTransform contains objects of type
// XEntity. PtOpenXmlUtil.cs define the XEntity class. See
// http://blogs.msdn.com/ericwhite/archive/2010/01/21/writing-entity-references-using-linq-to-xml.aspx
// for detailed explanation.
//
// If you further transform the XML tree returned by ConvertToHtmlTransform, you
// must do it correctly, or entities will not be serialized properly.
var htmlString = html.ToString(SaveOptions.DisableFormatting);
File.WriteAllText(destFileName.FullName, htmlString, Encoding.UTF8);
}
}
}
private static object CreateSectionDivs(WordprocessingDocument wordDoc, HtmlConverterSettings settings, XElement element)
{
// note: when building a paging html converter, need to attend to new sections with page breaks here.
// This code conflates adjacent sections if they have identical formatting, which is not an issue
// for the non-paging transform.
var groupedIntoDivs = element
.Elements()
.GroupAdjacent(e => {
return e.Annotation<SectionAnnotation>().SectionElement.ToString();
});
// note: when creating a paging html converter, need to pay attention to w:rtlGutter element.
var divList = groupedIntoDivs
.Select(g =>
{
var sectPr = g.First().Annotation<SectionAnnotation>();
var bidi = sectPr
.SectionElement
.Elements(W.bidi)
.Where(b => b.Attribute(W.val) == null || b.Attribute(W.val).ToBoolean() == true)
.FirstOrDefault();
if (bidi == null)
{
var div = new XElement(Xhtml.div, CreateBorderDivs(wordDoc, settings, g));
return div;
}
else
{
var div = new XElement(Xhtml.div,
new XAttribute("dir", "rtl"),
CreateBorderDivs(wordDoc, settings, g));
return div;
}
});
return divList;
}
private static void ReifyStylesAndClasses(HtmlConverterSettings htmlConverterSettings, XElement xhtml)
{
if (htmlConverterSettings.FabricateCssClasses)
{
var usedCssClassNames = new HashSet<string>();
var elementsThatNeedClasses = xhtml
.DescendantsAndSelf()
.Select(d => new
{
Element = d,
Styles = d.Annotation<Dictionary<string, string>>(),
})
.Where(z => z.Styles != null);
var augmented = elementsThatNeedClasses
.Select(p => new
{
Element = p.Element,
Styles = p.Styles,
StylesString = p.Element.Name.LocalName + "|" + p.Styles.OrderBy(k => k.Key).Select(s => string.Format("{0}:{1};", s.Key, s.Value)).StringConcatenate(),
})
.GroupBy(p => p.StylesString)
.ToList();
int classCounter = 1000000;
var sb = new StringBuilder();
sb.Append(Environment.NewLine);
foreach (var grp in augmented)
{
string classNameToUse;
var firstOne = grp.First();
var styles = firstOne.Styles;
if (styles.ContainsKey("PtStyleName"))
{
classNameToUse = htmlConverterSettings.CssClassPrefix + styles["PtStyleName"];
if (usedCssClassNames.Contains(classNameToUse))
{
classNameToUse = htmlConverterSettings.CssClassPrefix +
styles["PtStyleName"] + "-" +
classCounter.ToString().Substring(1);
classCounter++;
}
}
else
{
classNameToUse = htmlConverterSettings.CssClassPrefix +
classCounter.ToString().Substring(1);
classCounter++;
}
usedCssClassNames.Add(classNameToUse);
sb.Append(firstOne.Element.Name.LocalName + "." + classNameToUse + " {" + Environment.NewLine);
foreach (var st in firstOne.Styles.Where(s => s.Key != "PtStyleName"))
{
var s = " " + st.Key + ":" + st.Value + ";" + Environment.NewLine;
sb.Append(s);
}
sb.Append("}" + Environment.NewLine);
var classAtt = new XAttribute("class", classNameToUse);
foreach (var gc in grp)
gc.Element.Add(classAtt);
}
var styleElement = xhtml
.Descendants(Xhtml.style)
.FirstOrDefault();
if (styleElement != null)
styleElement.Value = sb.ToString() + htmlConverterSettings.AdditionalCss;
else
{
styleElement = new XElement(Xhtml.style, sb.ToString() + htmlConverterSettings.AdditionalCss);
var head = xhtml.Element(Xhtml.head);
if (head != null)
head.Add(styleElement);
}
}
else
{
foreach (var d in xhtml.DescendantsAndSelf())
{
var style = d.Annotation<Dictionary<string, string>>();
if (style == null)
continue;
var styleValue =
style
.Where(p => p.Key != "PtStyleName")
.OrderBy(p => p.Key)
.Select(e => string.Format("{0}: {1};", e.Key, e.Value))
.StringConcatenate();
XAttribute st = new XAttribute("style", styleValue);
if (d.Attribute("style") != null)
d.Attribute("style").Value += styleValue;
else
d.Add(st);
}
}
}
// Transform the w:p element, including the following sibling w:p element(s)
// in case the w:p element has a style separator. The sibling(s) will be
// transformed to h:span elements rather than h:p elements and added to
// the element (e.g., h:h2) created from the w:p element having the (first)
// style separator (i.e., a w:specVanish element).
private static object ProcessParagraph(WordprocessingDocument wordDoc, HtmlConverterSettings settings,
XElement element, bool suppressTrailingWhiteSpace, decimal currentMarginLeft)
{
// Ignore this paragraph if the previous paragraph has a style separator.
// We have already transformed this one together with the previous one.
var previousParagraph = element.ElementsBeforeSelf(W.p).LastOrDefault();
if (HasStyleSeparator(previousParagraph)) return null;
var elementName = GetParagraphElementName(element, wordDoc);
var isBidi = IsBidi(element);
var paragraph = (XElement) ConvertParagraph(wordDoc, settings, element, elementName,
suppressTrailingWhiteSpace, currentMarginLeft, isBidi);
// The paragraph conversion might have created empty spans.
// These can and should be removed because empty spans are
// invalid in HTML5.
paragraph.Elements(Xhtml.span).Where(e => e.IsEmpty).Remove();
while (HasStyleSeparator(element))
{
element = element.ElementsAfterSelf(W.p).FirstOrDefault();
if (element == null) break;
elementName = Xhtml.span;
isBidi = IsBidi(element);
var span = ConvertParagraph(wordDoc, settings, element, elementName,
suppressTrailingWhiteSpace, currentMarginLeft, isBidi);
paragraph.Add(span);
}
return paragraph;
}
private static object ProcessTableCell(WordprocessingDocument wordDoc, HtmlConverterSettings settings, XElement element)
{
var style = new Dictionary<string, string>();
XAttribute colSpan = null;
XAttribute rowSpan = null;
var tcPr = element.Element(W.tcPr);
if (tcPr != null)
{
if ((string) tcPr.Elements(W.vMerge).Attributes(W.val).FirstOrDefault() == "restart")
{
var currentRow = element.Parent.ElementsBeforeSelf(W.tr).Count();
var currentCell = element.ElementsBeforeSelf(W.tc).Count();
var tbl = element.Parent.Parent;
int rowSpanCount = 1;
currentRow += 1;
while (true)
{
var row = tbl.Elements(W.tr).Skip(currentRow).FirstOrDefault();
if (row == null)
break;
var cell2 = row.Elements(W.tc).Skip(currentCell).FirstOrDefault();
if (cell2 == null)
break;
if (cell2.Elements(W.tcPr).Elements(W.vMerge).FirstOrDefault() == null)
break;
if ((string) cell2.Elements(W.tcPr).Elements(W.vMerge).Attributes(W.val).FirstOrDefault() == "restart")
break;
currentRow += 1;
rowSpanCount += 1;
}
rowSpan = new XAttribute("rowspan", rowSpanCount);
}
if (tcPr.Element(W.vMerge) != null &&
(string) tcPr.Elements(W.vMerge).Attributes(W.val).FirstOrDefault() != "restart")
return null;
if (tcPr.Element(W.vAlign) != null)
{
var vAlignVal = (string) tcPr.Elements(W.vAlign).Attributes(W.val).FirstOrDefault();
if (vAlignVal == "top")
style.AddIfMissing("vertical-align", "top");
else if (vAlignVal == "center")
style.AddIfMissing("vertical-align", "middle");
else if (vAlignVal == "bottom")
style.AddIfMissing("vertical-align", "bottom");
else
style.AddIfMissing("vertical-align", "middle");
}
style.AddIfMissing("vertical-align", "top");
if ((string) tcPr.Elements(W.tcW).Attributes(W.type).FirstOrDefault() == "dxa")
{
decimal width = (int) tcPr.Elements(W.tcW).Attributes(W._w).FirstOrDefault();
style.AddIfMissing("width", string.Format(NumberFormatInfo.InvariantInfo, "{0}pt", width/20m));
}
if ((string) tcPr.Elements(W.tcW).Attributes(W.type).FirstOrDefault() == "pct")
{
decimal width = (int) tcPr.Elements(W.tcW).Attributes(W._w).FirstOrDefault();
style.AddIfMissing("width", string.Format(NumberFormatInfo.InvariantInfo, "{0:0.0}%", width/50m));
}
var tcBorders = tcPr.Element(W.tcBorders);
GenerateBorderStyle(tcBorders, W.top, style, BorderType.Cell);
GenerateBorderStyle(tcBorders, W.right, style, BorderType.Cell);
GenerateBorderStyle(tcBorders, W.bottom, style, BorderType.Cell);
GenerateBorderStyle(tcBorders, W.left, style, BorderType.Cell);
CreateStyleFromShd(style, tcPr.Element(W.shd));
var gridSpan = tcPr.Elements(W.gridSpan).Attributes(W.val).Select(a => (int?) a).FirstOrDefault();
if (gridSpan != null)
colSpan = new XAttribute("colspan", (int) gridSpan);
}
style.AddIfMissing("padding-top", "0");
style.AddIfMissing("padding-bottom", "0");
var cell = new XElement(Xhtml.td,
rowSpan,
colSpan,
CreateBorderDivs(wordDoc, settings, element.Elements()));
cell.AddAnnotation(style);
return cell;
}
public static XElement ConvertToHtml(WordprocessingDocument wordDoc, HtmlConverterSettings htmlConverterSettings)
{
InitEntityMap();
RevisionAccepter.AcceptRevisions(wordDoc);
SimplifyMarkupSettings simplifyMarkupSettings = new SimplifyMarkupSettings
{
RemoveComments = true,
RemoveContentControls = true,
RemoveEndAndFootNotes = true,
RemoveFieldCodes = false,
RemoveLastRenderedPageBreak = true,
RemovePermissions = true,
RemoveProof = true,
RemoveRsidInfo = true,
RemoveSmartTags = true,
RemoveSoftHyphens = true,
RemoveGoBackBookmark = true,
ReplaceTabsWithSpaces = false,
};
MarkupSimplifier.SimplifyMarkup(wordDoc, simplifyMarkupSettings);
FormattingAssemblerSettings formattingAssemblerSettings = new FormattingAssemblerSettings
{
RemoveStyleNamesFromParagraphAndRunProperties = false,
ClearStyles = false,
RestrictToSupportedLanguages = htmlConverterSettings.RestrictToSupportedLanguages,
RestrictToSupportedNumberingFormats = htmlConverterSettings.RestrictToSupportedNumberingFormats,
CreateHtmlConverterAnnotationAttributes = true,
OrderElementsPerStandard = false,
ListItemRetrieverSettings = new ListItemRetrieverSettings()
{
ListItemTextImplementations = htmlConverterSettings.ListItemImplementations,
},
};
FormattingAssembler.AssembleFormatting(wordDoc, formattingAssemblerSettings);
InsertAppropriateNonbreakingSpaces(wordDoc);
CalculateSpanWidthForTabs(wordDoc);
ReverseTableBordersForRtlTables(wordDoc);
AdjustTableBorders(wordDoc);
XElement rootElement = wordDoc.MainDocumentPart.GetXDocument().Root;
FieldRetriever.AnnotateWithFieldInfo(wordDoc.MainDocumentPart);
AnnotateForSections(wordDoc);
XElement xhtml = (XElement)ConvertToHtmlTransform(wordDoc, htmlConverterSettings,
rootElement, false, 0m);
ReifyStylesAndClasses(htmlConverterSettings, xhtml);
// Note: the xhtml returned by ConvertToHtmlTransform contains objects of type
// XEntity. PtOpenXmlUtil.cs define the XEntity class. See
// http://blogs.msdn.com/ericwhite/archive/2010/01/21/writing-entity-references-using-linq-to-xml.aspx
// for detailed explanation.
//
// If you further transform the XML tree returned by ConvertToHtmlTransform, you
// must do it correctly, or entities will not be serialized properly.
return xhtml;
}
private static object ConvertToHtmlTransform(WordprocessingDocument wordDoc,
HtmlConverterSettings settings, XNode node,
Func <ImageInfo, XElement> imageHandler)
{
XElement element = node as XElement;
if (element != null)
{
if (element.Name == W.document)
{
return(new XElement(Xhtml.html,
new XElement(Xhtml.head,
new XElement(Xhtml.meta,
new XAttribute(HtmlNoNamespace.http_equiv, "Content-Type"),
new XAttribute(HtmlNoNamespace.content,
"text/html; charset=windows-1252")),
new XElement(Xhtml.meta,
new XAttribute(HtmlNoNamespace.name, "Generator"),
new XAttribute(HtmlNoNamespace.content,
"PowerTools for Open XML")),
settings.PageTitle != null ? new XElement(Xhtml.title,
settings.PageTitle) : null,
settings.Css != null ? new XElement(Xhtml.style,
new XComment(Environment.NewLine +
settings.Css + Environment.NewLine)) : null
),
element.Elements().Select(e => ConvertToHtmlTransform(
wordDoc, settings, e, imageHandler))
));
}
// Transform the w:body element to the XHTML h:body element.
if (element.Name == W.body)
{
return(new XElement(Xhtml.body,
element.Elements().Select(e => ConvertToHtmlTransform(
wordDoc, settings, e, imageHandler))));
}
// Transform every paragraph with a style that has paragraph properties
// that has an outline level into the same level of heading. This takes
// care of transforming headings of every level.
if (element.Name == W.p)
{
string styleId = (string)element.Elements(W.pPr).Elements(W.pStyle)
.Attributes(W.val).FirstOrDefault();
XElement style = wordDoc.MainDocumentPart.StyleDefinitionsPart
.GetXDocument().Root.Elements(W.style)
.Where(s => (string)s.Attribute(W.styleId) == styleId)
.FirstOrDefault();
if (style != null)
{
int?outlineLevel = (int?)style.Elements(W.pPr)
.Elements(W.outlineLvl).Attributes(W.val).FirstOrDefault();
if (outlineLevel != null)
{
return(new XElement(Xhtml.xhtml + string.Format("h{0}",
outlineLevel + 1),
settings.CssClassPrefix != null ?
new XAttribute(HtmlNoNamespace._class,
settings.CssClassPrefix + styleId) : null,
ConvertEntities(ListItemRetriever.RetrieveListItem(wordDoc,
element, null)),
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler))));
}
}
}
// Transform w:p to h:p.
if (element.Name == W.p)
{
string styleId = (string)element.Elements(W.pPr).Elements(W.pStyle)
.Attributes(W.val).FirstOrDefault();
if (styleId == null)
{
styleId = (string)wordDoc.MainDocumentPart.StyleDefinitionsPart
.GetXDocument().Root.Elements(W.style)
.Where(e => (string)e.Attribute(W.type) == "paragraph" &&
(string)e.Attribute(W._default) == "1")
.FirstOrDefault().Attributes(W.styleId).FirstOrDefault();
}
XElement z = new XElement(Xhtml.p,
styleId != null ? (
settings.CssClassPrefix != null ?
new XAttribute(HtmlNoNamespace._class,
settings.CssClassPrefix + styleId) : null
) : null,
ConvertEntities(ListItemRetriever.RetrieveListItem(wordDoc,
element, null)),
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler)));
return(z);
}
// Transform every hyperlink in the document to the XHTML h:A element.
if (element.Name == W.hyperlink && element.Attribute(R.id) != null)
{
try
{
return(new XElement(Xhtml.A,
new XAttribute(HtmlNoNamespace.href,
wordDoc.MainDocumentPart
.HyperlinkRelationships
.Where(x => x.Id == (string)element.Attribute(R.id))
.First()
.Uri
),
ConvertEntities(element.Elements(W.r)
.Elements(W.t)
.Select(s => (string)s).StringConcatenate())
));
}
catch (UriFormatException)
{
return(element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler)));
}
}
// Transform contents of runs that are part of a hyperlink.
if (element.Name == W.r &&
element.Annotation <FieldInfo>() != null &&
element.Annotation <FieldInfo>().Arguments.Length > 0)
{
FieldInfo fieldInfo = element.Annotation <FieldInfo>();
return(new XElement(Xhtml.A,
new XAttribute(HtmlNoNamespace.href, fieldInfo.Arguments[0]),
ConvertEntities(element.Elements(W.t)
.Select(s => (string)s).StringConcatenate())
));
}
// Transform contents of runs.
if (element.Name == W.r)
{
return(element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler)));
}
// Transform every w:t element to a text node.
if (element.Name == W.t)
{
return(ConvertEntities(element.Value));
}
// Transform w:br to h:br.
if (element.Name == W.br || element.Name == W.cr)
{
return(new XElement(Xhtml.br));
}
// Transform w:noBreakHyphen to '-'
if (element.Name == W.noBreakHyphen)
{
return(new XText("-"));
}
// Transform w:tbl to h:tbl.
if (element.Name == W.tbl)
{
return(new XElement(Xhtml.table,
new XAttribute(HtmlNoNamespace.border, 1),
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler))));
}
// Transform w:tr to h:tr.
if (element.Name == W.tr)
{
return(new XElement(Xhtml.tr,
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler))));
}
// Transform w:tc to h:td.
if (element.Name == W.tc)
{
return(new XElement(Xhtml.td,
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler))));
}
// Transform images.
if (element.Name == W.drawing || element.Name == W.pict)
{
if (imageHandler == null)
{
return(null);
}
return(ProcessImage(wordDoc, element, imageHandler));
}
// The following removes any nodes that haven't been transformed.
return(null);
}
return(null);
}
public static XElement ConvertToHtml(WordprocessingDocument wordDoc,
HtmlConverterSettings htmlConverterSettings)
{
return ConvertToHtml(wordDoc, htmlConverterSettings, null);
}
private static object ConvertToHtmlTransform(WordprocessingDocument wordDoc,
HtmlConverterSettings settings, XNode node,
Func<ImageInfo, XElement> imageHandler)
{
XElement element = node as XElement;
if (element != null)
{
if (element.Name == W.document)
return new XElement(Xhtml.html,
new XElement(Xhtml.head,
new XElement(Xhtml.meta,
new XAttribute(HtmlNoNamespace.http_equiv, "Content-Type"),
new XAttribute(HtmlNoNamespace.content,
"text/html; charset=windows-1252")),
new XElement(Xhtml.meta,
new XAttribute(HtmlNoNamespace.name, "Generator"),
new XAttribute(HtmlNoNamespace.content,
"PowerTools for Open XML")),
settings.PageTitle != null ? new XElement(Xhtml.title,
settings.PageTitle) : null,
settings.Css != null ? new XElement(Xhtml.style,
new XComment(Environment.NewLine +
settings.Css + Environment.NewLine)) : null
),
element.Elements().Select(e => ConvertToHtmlTransform(
wordDoc, settings, e, imageHandler))
);
// Transform the w:body element to the XHTML h:body element.
if (element.Name == W.body)
return new XElement(Xhtml.body,
element.Elements().Select(e => ConvertToHtmlTransform(
wordDoc, settings, e, imageHandler)));
// Transform every paragraph with a style that has paragraph properties
// that has an outline level into the same level of heading. This takes
// care of transforming headings of every level.
if (element.Name == W.p)
{
string styleId = (string)element.Elements(W.pPr).Elements(W.pStyle)
.Attributes(W.val).FirstOrDefault();
XElement style = wordDoc.MainDocumentPart.StyleDefinitionsPart
.GetXDocument().Root.Elements(W.style)
.Where(s => (string)s.Attribute(W.styleId) == styleId)
.FirstOrDefault();
if (style != null)
{
int? outlineLevel = (int?)style.Elements(W.pPr)
.Elements(W.outlineLvl).Attributes(W.val).FirstOrDefault();
if (outlineLevel != null)
{
return new XElement(Xhtml.xhtml + string.Format("h{0}",
outlineLevel + 1),
settings.CssClassPrefix != null ?
new XAttribute(HtmlNoNamespace._class,
settings.CssClassPrefix + styleId) : null,
ConvertEntities(ListItemRetriever.RetrieveListItem(wordDoc,
element, null)),
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler)));
}
}
}
// Transform w:p to h:p.
if (element.Name == W.p)
{
string styleId = (string)element.Elements(W.pPr).Elements(W.pStyle)
.Attributes(W.val).FirstOrDefault();
if (styleId == null)
{
styleId = (string)wordDoc.MainDocumentPart.StyleDefinitionsPart
.GetXDocument().Root.Elements(W.style)
.Where(e => (string)e.Attribute(W.type) == "paragraph" &&
(string)e.Attribute(W._default) == "1")
.FirstOrDefault().Attributes(W.styleId).FirstOrDefault();
}
XElement z = new XElement(Xhtml.p,
styleId != null ? (
settings.CssClassPrefix != null ?
new XAttribute(HtmlNoNamespace._class,
settings.CssClassPrefix + styleId) : null
) : null,
ConvertEntities(ListItemRetriever.RetrieveListItem(wordDoc,
element, null)),
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler)));
return z;
}
// Transform every hyperlink in the document to the XHTML h:A element.
if (element.Name == W.hyperlink && element.Attribute(R.id) != null)
{
try
{
return new XElement(Xhtml.A,
new XAttribute(HtmlNoNamespace.href,
wordDoc.MainDocumentPart
.HyperlinkRelationships
.Where(x => x.Id == (string)element.Attribute(R.id))
.First()
.Uri
),
ConvertEntities(element.Elements(W.r)
.Elements(W.t)
.Select(s => (string)s).StringConcatenate())
);
}
catch (UriFormatException)
{
return element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler));
}
}
// Transform contents of runs that are part of a hyperlink.
if (element.Name == W.r &&
element.Annotation<FieldInfo>() != null &&
element.Annotation<FieldInfo>().Arguments.Length > 0)
{
FieldInfo fieldInfo = element.Annotation<FieldInfo>();
return new XElement(Xhtml.A,
new XAttribute(HtmlNoNamespace.href, fieldInfo.Arguments[0]),
ConvertEntities(element.Elements(W.t)
.Select(s => (string)s).StringConcatenate())
);
}
// Transform contents of runs.
if (element.Name == W.r)
return element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler));
// Transform every w:t element to a text node.
if (element.Name == W.t)
return ConvertEntities(element.Value);
// Transform w:br to h:br.
if (element.Name == W.br || element.Name == W.cr)
return new XElement(Xhtml.br);
// Transform w:noBreakHyphen to '-'
if (element.Name == W.noBreakHyphen)
return new XText("-");
// Transform w:tbl to h:tbl.
if (element.Name == W.tbl)
return new XElement(Xhtml.table,
new XAttribute(HtmlNoNamespace.border, 1),
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler)));
// Transform w:tr to h:tr.
if (element.Name == W.tr)
return new XElement(Xhtml.tr,
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler)));
// Transform w:tc to h:td.
if (element.Name == W.tc)
return new XElement(Xhtml.td,
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc,
settings, e, imageHandler)));
// Transform images.
if (element.Name == W.drawing || element.Name == W.pict)
{
if (imageHandler == null)
return null;
return ProcessImage(wordDoc, element, imageHandler);
}
// The following removes any nodes that haven't been transformed.
return null;
}
return null;
}
private static object ProcessHyperlinkToBookmark(WordprocessingDocument wordDoc, HtmlConverterSettings settings, XElement element)
{
var style = new Dictionary<string, string>();
var a = new XElement(Xhtml.a,
new XAttribute("href", "#" + (string) element.Attribute(W.anchor)),
element.Elements(W.r).Select(run => ConvertRun(wordDoc, settings, run)));
style.Add("text-decoration", "none");
a.AddAnnotation(style);
return a;
}
private static IEnumerable<object> GroupAndVerticallySpaceNumberedParagraphs(WordprocessingDocument wordDoc, HtmlConverterSettings settings,
IEnumerable<XElement> elements, decimal currentMarginLeft)
{
var grouped = elements
.GroupAdjacent(e =>
{
var abstractNumId = (string)e.Attribute(PtOpenXml.pt + "AbstractNumId");
if (abstractNumId != null)
return "num:" + abstractNumId;
var contextualSpacing = e.Elements(W.pPr).Elements(W.contextualSpacing).FirstOrDefault();
if (contextualSpacing != null)
{
var styleName = (string)e.Elements(W.pPr).Elements(W.pStyle).Attributes(W.val).FirstOrDefault();
if (styleName == null)
return "";
return "sty:" + styleName;
}
return "";
})
.ToList();
var newContent = grouped
.Select(g =>
{
if (g.Key == "")
return g.Select(e =>
{
return ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft);
});
var last = g.Count() - 1;
var content = g
.Select((e, i) =>
{
if (i == last)
return ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft);
else
return ConvertToHtmlTransform(wordDoc, settings, e, true, currentMarginLeft);
});
return content;
});
return newContent.Cast<object>();
}
private static object ProcessContentControl(WordprocessingDocument wordDoc, HtmlConverterSettings settings,
XElement element, decimal currentMarginLeft)
{
var relevantAncestors = element.Ancestors().TakeWhile(a => a.Name != W.txbxContent);
var isRunLevelContentControl = relevantAncestors.Any(a => a.Name == W.p);
if (isRunLevelContentControl)
{
return element.Elements(W.sdtContent).Elements()
.Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft))
.ToList();
}
return CreateBorderDivs(wordDoc, settings, element.Elements(W.sdtContent).Elements());
}
private static object ConvertToHtmlTransform(WordprocessingDocument wordDoc,
HtmlConverterSettings settings, XNode node,
bool suppressTrailingWhiteSpace,
decimal currentMarginLeft)
{
XElement element = node as XElement;
if (element != null)
{
if (element.Name == W.document)
return new XElement(Xhtml.html,
new XElement(Xhtml.head,
new XElement(Xhtml.meta,
new XAttribute("http-equiv", "Content-Type"),
new XAttribute("content", "text/html; charset=utf-8")),
new XElement(Xhtml.meta,
new XAttribute("name", "Generator"),
new XAttribute("content", "PowerTools for Open XML")),
settings.PageTitle != null ? new XElement(Xhtml.title,
new XText(settings.PageTitle)) : null
),
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft))
);
// Transform the w:body element to the XHTML h:body element.
if (element.Name == W.body)
{
var sectionDivContent = new XElement(Xhtml.body,
CreateSectionDivs(wordDoc, settings, element));
return sectionDivContent;
}
if (element.Name == W.p)
{
var bidi = element
.Elements(W.pPr)
.Elements(W.bidi)
.Where(b => b.Attribute(W.val) == null || b.Attribute(W.val).ToBoolean() == true)
.FirstOrDefault();
var isBidi = bidi != null;
string styleId = (string)element.Elements(W.pPr).Elements(W.pStyle)
.Attributes(W.val).FirstOrDefault();
if (styleId != null)
{
XElement style = wordDoc.MainDocumentPart.StyleDefinitionsPart
.GetXDocument().Root.Elements(W.style)
.Where(s => (string)s.Attribute(W.styleId) == styleId)
.FirstOrDefault();
if (style != null)
{
int? outlineLevel = (int?)style.Elements(W.pPr)
.Elements(W.outlineLvl).Attributes(W.val).FirstOrDefault();
if (outlineLevel != null && outlineLevel <= 5)
{
XName elementName = Xhtml.xhtml + string.Format("h{0}",
outlineLevel + 1);
return ConvertParagraph(wordDoc, settings, element, elementName, suppressTrailingWhiteSpace, currentMarginLeft, isBidi);
}
else
{
XName elementName = Xhtml.p;
var o = ConvertParagraph(wordDoc, settings, element, elementName, suppressTrailingWhiteSpace, currentMarginLeft, isBidi);
return o;
}
}
}
else
{
XName elementName = Xhtml.p;
var o = ConvertParagraph(wordDoc, settings, element, elementName, suppressTrailingWhiteSpace, currentMarginLeft, isBidi);
return o;
}
}
// Transform hyperlinks to the XHTML h:A element.
if (element.Name == W.hyperlink && element.Attribute(R.id) != null)
{
try
{
return new XElement(Xhtml.A,
new XAttribute("href",
wordDoc.MainDocumentPart
.HyperlinkRelationships
.Where(x => x.Id == (string)element.Attribute(R.id))
.First()
.Uri
),
element.Elements(W.r).Select(run => ConvertRun(wordDoc, settings, run))
);
}
catch (UriFormatException)
{
return element.Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft));
}
}
// Transform hyperlinks to bookmarks to the XHTML h:A element.
if (element.Name == W.hyperlink && element.Attribute(W.anchor) != null)
{
var style = new Dictionary<string, string>();
var a = new XElement(Xhtml.A,
new XAttribute("href", "#" + (string)element.Attribute(W.anchor)),
element
.Elements(W.r)
.Select(run => ConvertRun(wordDoc, settings, run)));
style.Add("text-decoration", "none");
a.AddAnnotation(style);
return a;
}
// Transform contents of runs.
if (element.Name == W.r)
return ConvertRun(wordDoc, settings, element);
// Transform w:bookmarkStart into anchor
if (element.Name == W.bookmarkStart)
{
var name = (string)element.Attribute(W.name);
if (name != null)
{
var style = new Dictionary<string, string>();
var a = new XElement(Xhtml.A,
new XAttribute("id", name),
new XText(""));
style.Add("text-decoration", "none");
a.AddAnnotation(style);
return a;
}
}
// Transform every w:t element to a text node.
if (element.Name == W.t)
{
var textWithEntities = ConvertEntities(element.Value);
return textWithEntities;
}
// Transform symbols to spans
if (element.Name == W.sym)
{
var cs = (string)element.Attribute(W._char);
var c = Convert.ToInt32(cs, 16);
var symbolSpan = new XElement(Xhtml.span, new XEntity(string.Format("#{0}", ((int)c).ToString())));
return symbolSpan;
}
// Transform tabs that have the pt:TabWidth attribute set
if (element.Name == W.tab)
{
var tabWidthAtt = element.Attribute(PtOpenXml.TabWidth);
if (tabWidthAtt != null)
{
var leader = (string)element.Attribute(PtOpenXml.Leader);
var tabWidth = (decimal)tabWidthAtt;
var style = new Dictionary<string, string>();
XElement span;
if (leader != null)
{
var leaderChar = ".";
if (leader == "hyphen")
leaderChar = "-";
else if (leader == "dot")
leaderChar = ".";
else if (leader == "underscore")
leaderChar = "_";
var runContainingTabToReplace = element.Ancestors(W.r).First();
var fontNameAtt = runContainingTabToReplace.Attribute(PtOpenXml.pt + "FontName");
if (fontNameAtt == null)
fontNameAtt = runContainingTabToReplace.Ancestors(W.p).First()
.Attribute(PtOpenXml.pt + "FontName");
var dummyRun = new XElement(W.r,
fontNameAtt,
runContainingTabToReplace.Elements(W.rPr),
new XElement(W.t, leaderChar));
var widthOfLeaderChar = CalcWidthOfRunInTwips(dummyRun);
bool forceArial = false;
if (widthOfLeaderChar == 0)
{
dummyRun = new XElement(W.r,
new XAttribute(PtOpenXml.FontName, "Arial"),
runContainingTabToReplace.Elements(W.rPr),
new XElement(W.t, leaderChar));
widthOfLeaderChar = CalcWidthOfRunInTwips(dummyRun);
forceArial = true;
}
if (widthOfLeaderChar != 0)
{
var numberOfLeaderChars = (int)(Math.Floor((tabWidth * 1440) / widthOfLeaderChar));
if (numberOfLeaderChars < 0)
numberOfLeaderChars = 0;
span = new XElement(Xhtml.span,
" " + "".PadRight(numberOfLeaderChars, leaderChar[0]) + " ");
style.Add("margin", "0 0 0 0");
style.Add("padding", "0 0 0 0");
style.Add("width", string.Format("{0:0.00}in", tabWidth));
style.Add("text-align", "center");
if (forceArial)
style.Add("font-family", "Arial");
}
else
{
span = new XElement(Xhtml.span, " ");
style.Add("margin", "0 0 0 0");
style.Add("padding", "0 0 0 0");
style.Add("width", string.Format("{0:0.00}in", tabWidth));
style.Add("text-align", "center");
if (leader == "underscore")
{
style.Add("text-decoration", "underline");
}
}
}
else
{
#if false
var bidi = element
.Ancestors(W.p)
.Take(1)
.Elements(W.pPr)
.Elements(W.bidi)
.Where(b => b.Attribute(W.val) == null || b.Attribute(W.val).ToBoolean() == true)
.FirstOrDefault();
var isBidi = bidi != null;
if (isBidi)
span = new XElement(Xhtml.span, new XEntity("#x200f")); // RLM
else
span = new XElement(Xhtml.span, new XEntity("#x200e")); // LRM
#else
span = new XElement(Xhtml.span, new XEntity("nbsp"));
#endif
style.Add("margin", string.Format("0 0 0 {0:0.00}in", tabWidth));
style.Add("padding", "0 0 0 0");
}
span.AddAnnotation(style);
return span;
}
}
// Transform w:br to h:br.
if (element.Name == W.br || element.Name == W.cr)
{
XElement span = null;
var tabWidth = (decimal?)element.Attribute(PtOpenXml.TabWidth);
if (tabWidth != null)
{
span = new XElement(Xhtml.span);
var style = new Dictionary<string, string>();
style.Add("margin", string.Format("0 0 0 {0:0.00}in", tabWidth));
style.Add("padding", "0 0 0 0");
span.AddAnnotation(style);
}
var paragraph = element.Ancestors(W.p).FirstOrDefault();
bool isBidi = false;
if (paragraph != null)
{
var bidi = paragraph
.Elements(W.pPr)
.Elements(W.bidi)
.Where(b => b.Attribute(W.val) == null || b.Attribute(W.val).ToBoolean() == true)
.FirstOrDefault();
isBidi = bidi != null;
}
var br = new XElement(Xhtml.br);
XEntity zeroWidthChar = null;
if (isBidi)
zeroWidthChar = new XEntity("#x200f"); // RLM
else
zeroWidthChar = new XEntity("#x200e"); // LRM
return new object[] {
br,
zeroWidthChar,
span,
};
}
// Transform w:noBreakHyphen to '-'
if (element.Name == W.noBreakHyphen)
return new XText("-");
// Transform w:tbl to h:tbl.
if (element.Name == W.tbl)
{
var style = new Dictionary<string, string>();
style.AddIfMissing("border-collapse", "collapse");
style.AddIfMissing("border", "none");
var bidiVisual = element.Elements(W.tblPr).Elements(W.bidiVisual).FirstOrDefault();
var tblW = element.Elements(W.tblPr).Elements(W.tblW).FirstOrDefault();
if (tblW != null)
{
var type = (string)tblW.Attribute(W.type);
if (type != null && type == "pct")
{
var w = (int)tblW.Attribute(W._w);
style.AddIfMissing("width", (w / 50).ToString() + "%");
}
}
var tblInd = element.Elements(W.tblPr).Elements(W.tblInd).FirstOrDefault();
if (tblInd != null)
{
var tblIndType = (string)tblInd.Attribute(W.type);
if (tblIndType != null)
{
if (tblIndType == "dxa")
{
var width = (decimal?)tblInd.Attribute(W._w);
if (width != null)
{
style.AddIfMissing("margin-left", string.Format("{0}pt", width / 20m));
}
}
}
}
XAttribute tableDirection = null;
if (bidiVisual != null)
{
tableDirection = new XAttribute("dir", "rtl");
}
else
{
tableDirection = new XAttribute("dir", "ltr");
}
style.AddIfMissing("margin-bottom", ".001pt");
var table = new XElement(Xhtml.table,
new XAttribute("border", "1"),
new XAttribute("cellspacing", 0),
new XAttribute("cellpadding", 0),
tableDirection,
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft)));
table.AddAnnotation(style);
var jc = (string)element.Elements(W.tblPr).Elements(W.jc).Attributes(W.val).FirstOrDefault();
if (jc == null)
jc = "left";
XAttribute dir = null;
XAttribute jcToUse = null;
if (bidiVisual != null)
{
dir = new XAttribute("dir", "rtl");
if (jc == "left")
jcToUse = new XAttribute("align", "right");
else if (jc == "right")
jcToUse = new XAttribute("align", "left");
else if (jc == "center")
jcToUse = new XAttribute("align", "center");
}
else
{
jcToUse = new XAttribute("align", jc);
}
var tableDiv = new XElement(Xhtml.div,
dir,
jcToUse,
table);
return tableDiv;
}
// Transform w:tr to h:tr.
if (element.Name == W.tr)
{
var style = new Dictionary<string, string>();
int? trHeight = (int?)element.Elements(W.trPr).Elements(W.trHeight).Attributes(W.val).FirstOrDefault();
if (trHeight != null)
style.AddIfMissing("height", string.Format("{0}in", (decimal)trHeight / 1440m));
var htmlRow = new XElement(Xhtml.tr,
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft)));
if (style.Any())
htmlRow.AddAnnotation(style);
return htmlRow;
}
// Transform w:tc to h:td.
if (element.Name == W.tc)
{
var style = new Dictionary<string, string>();
XAttribute colSpan = null;
XAttribute rowSpan = null;
var tcPr = element.Element(W.tcPr);
if (tcPr != null)
{
if ((string)tcPr.Elements(W.vMerge).Attributes(W.val).FirstOrDefault() == "restart")
{
var currentRow = element.Parent.ElementsBeforeSelf(W.tr).Count();
var currentCell = element.ElementsBeforeSelf(W.tc).Count();
var tbl = element.Parent.Parent;
int rowSpanCount = 1;
currentRow += 1;
while (true)
{
var row = tbl.Elements(W.tr).Skip(currentRow).FirstOrDefault();
if (row == null)
break;
var cell2 = row.Elements(W.tc).Skip(currentCell).FirstOrDefault();
if (cell2 == null)
break;
if (cell2.Elements(W.tcPr).Elements(W.vMerge).FirstOrDefault() == null)
break;
if ((string)cell2.Elements(W.tcPr).Elements(W.vMerge).Attributes(W.val).FirstOrDefault() == "restart")
break;
currentRow += 1;
rowSpanCount += 1;
}
rowSpan = new XAttribute("rowspan", rowSpanCount);
}
if (tcPr.Element(W.vMerge) != null && (string)tcPr.Elements(W.vMerge).Attributes(W.val).FirstOrDefault() != "restart")
return null;
if (tcPr.Element(W.vAlign) != null)
{
var vAlignVal = (string)tcPr.Elements(W.vAlign).Attributes(W.val).FirstOrDefault();
if (vAlignVal == "top")
style.AddIfMissing("vertical-align", "top");
else if (vAlignVal == "center")
style.AddIfMissing("vertical-align", "middle");
else if (vAlignVal == "bottom")
style.AddIfMissing("vertical-align", "bottom");
else
style.AddIfMissing("vertical-align", "middle");
}
style.AddIfMissing("vertical-align", "top");
if ((string)tcPr.Elements(W.tcW).Attributes(W.type).FirstOrDefault() == "dxa")
{
decimal width = (int)tcPr.Elements(W.tcW).Attributes(W._w).FirstOrDefault();
style.AddIfMissing("width", string.Format("{0}pt", width / 20m));
}
if ((string)tcPr.Elements(W.tcW).Attributes(W.type).FirstOrDefault() == "pct")
{
decimal width = (int)tcPr.Elements(W.tcW).Attributes(W._w).FirstOrDefault();
style.AddIfMissing("width", string.Format("{0:0.0}%", width / 50m));
}
var tcBorders = tcPr.Element(W.tcBorders);
GenerateBorderStyle(tcBorders, W.top, style, BorderType.Cell);
GenerateBorderStyle(tcBorders, W.right, style, BorderType.Cell);
GenerateBorderStyle(tcBorders, W.bottom, style, BorderType.Cell);
GenerateBorderStyle(tcBorders, W.left, style, BorderType.Cell);
CreateStyleFromShd(style, tcPr.Element(W.shd));
var gridSpan = (int?)tcPr.Elements(W.gridSpan).Attributes(W.val).Select(a => (int?)a).FirstOrDefault();
if (gridSpan != null)
colSpan = new XAttribute("colspan", (int)gridSpan);
}
style.AddIfMissing("padding-top", "0in");
style.AddIfMissing("padding-bottom", "0in");
var cell = new XElement(Xhtml.td,
rowSpan,
colSpan,
CreateBorderDivs(wordDoc, settings, element.Elements()));
cell.AddAnnotation(style);
return cell;
}
// Transform images
if (element.Name == W.drawing || element.Name == W.pict || element.Name == W._object)
{
if (settings.ImageHandler == null)
return null;
return ProcessImage(wordDoc, element, settings.ImageHandler);
}
if (element.Name == W.sdt)
{
var relevantAncestors = element.Ancestors().TakeWhile(a => a.Name != W.txbxContent);
var isRunLevelContentControl = relevantAncestors.Any(a => a.Name == W.p);
if (isRunLevelContentControl)
{
var o = element.Element(W.sdtContent).Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft))
.ToList();
return o;
}
else
{
var o = CreateBorderDivs(wordDoc, settings, element.Element(W.sdtContent).Elements());
return o;
}
}
if (element.Name == W.smartTag || element.Name == W.fldSimple)
{
var o = CreateBorderDivs(wordDoc, settings, element.Elements());
return o;
}
return null;
}
return null;
}
private static object ProcessTable(WordprocessingDocument wordDoc, HtmlConverterSettings settings, XElement element, decimal currentMarginLeft)
{
var style = new Dictionary<string, string>();
style.AddIfMissing("border-collapse", "collapse");
style.AddIfMissing("border", "none");
var bidiVisual = element.Elements(W.tblPr).Elements(W.bidiVisual).FirstOrDefault();
var tblW = element.Elements(W.tblPr).Elements(W.tblW).FirstOrDefault();
if (tblW != null)
{
var type = (string)tblW.Attribute(W.type);
if (type != null && type == "pct")
{
var w = (int)tblW.Attribute(W._w);
style.AddIfMissing("width", (w / 50) + "%");
}
}
var tblInd = element.Elements(W.tblPr).Elements(W.tblInd).FirstOrDefault();
if (tblInd != null)
{
var tblIndType = (string)tblInd.Attribute(W.type);
if (tblIndType != null)
{
if (tblIndType == "dxa")
{
var width = (decimal?)tblInd.Attribute(W._w);
if (width != null)
{
style.AddIfMissing("margin-left",
width > 0m
? string.Format(NumberFormatInfo.InvariantInfo, "{0}pt", width / 20m)
: "0");
}
}
}
}
var tableDirection = bidiVisual != null ? new XAttribute("dir", "rtl") : new XAttribute("dir", "ltr");
style.AddIfMissing("margin-bottom", ".001pt");
var table = new XElement(Xhtml.table,
// TODO: Revisit and make sure the omission is covered by appropriate CSS.
// new XAttribute("border", "1"),
// new XAttribute("cellspacing", 0),
// new XAttribute("cellpadding", 0),
tableDirection,
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft)));
table.AddAnnotation(style);
var jc = (string)element.Elements(W.tblPr).Elements(W.jc).Attributes(W.val).FirstOrDefault() ?? "left";
XAttribute dir = null;
XAttribute jcToUse = null;
if (bidiVisual != null)
{
dir = new XAttribute("dir", "rtl");
if (jc == "left")
jcToUse = new XAttribute("align", "right");
else if (jc == "right")
jcToUse = new XAttribute("align", "left");
else if (jc == "center")
jcToUse = new XAttribute("align", "center");
}
else
{
jcToUse = new XAttribute("align", jc);
}
var tableDiv = new XElement(Xhtml.div,
dir,
jcToUse,
table);
return tableDiv;
}
public static XElement ConvertToHtml(WordprocessingDocument wordDoc,
HtmlConverterSettings htmlConverterSettings)
{
return(ConvertToHtml(wordDoc, htmlConverterSettings, null));
}
private static object ProcessTableRow(WordprocessingDocument wordDoc, HtmlConverterSettings settings, XElement element,
decimal currentMarginLeft)
{
var style = new Dictionary<string, string>();
int? trHeight = (int?) element.Elements(W.trPr).Elements(W.trHeight).Attributes(W.val).FirstOrDefault();
if (trHeight != null)
style.AddIfMissing("height",
string.Format(NumberFormatInfo.InvariantInfo, "{0:0.00}in", (decimal) trHeight/1440m));
var htmlRow = new XElement(Xhtml.tr,
element.Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, currentMarginLeft)));
if (style.Any())
htmlRow.AddAnnotation(style);
return htmlRow;
}
public XElement ConvertToHtml(HtmlConverterSettings htmlConverterSettings, Func<ImageInfo, XElement> imageHandler)
{
return HtmlConverter.ConvertToHtml(this, htmlConverterSettings, imageHandler);
}
/*
* Handle:
* - b
* - bdr
* - caps
* - color
* - dstrike
* - highlight
* - i
* - position
* - rFonts
* - shd
* - smallCaps
* - spacing
* - strike
* - sz
* - u
* - vanish
* - vertAlign
*
* Don't handle:
* - em
* - emboss
* - fitText
* - imprint
* - kern
* - outline
* - shadow
* - w
*
*/
private static object ConvertRun(WordprocessingDocument wordDoc, HtmlConverterSettings settings, XElement run)
{
var style = new Dictionary<string, string>();
var sn = (string)run.Attribute(PtOpenXml.StyleName);
if (sn != null)
style.Add("PtStyleName", sn);
var rPr = run.Element(W.rPr);
if (rPr == null)
{
object content2 = run.Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, 0m));
return content2;
}
// hide all content that contains the w:rPr/w:webHidden element
if (rPr.Element(W.webHidden) != null)
return null;
// W.bdr
if (rPr.Element(W.bdr) != null && (string)rPr.Elements(W.bdr).Attributes(W.val).FirstOrDefault() != "none")
{
style.AddIfMissing("border", "solid windowtext 1.0pt");
style.AddIfMissing("padding", "0in");
}
// W.color
string color = (string)rPr.Elements(W.color).Attributes(W.val).FirstOrDefault();
if (color != null)
CreateColorProperty("color", color, style);
// W.highlight
string highlight = (string)rPr.Elements(W.highlight).Attributes(W.val).FirstOrDefault();
if (highlight != null)
CreateColorProperty("background", highlight, style);
// W.shd
string shade = (string)rPr.Elements(W.shd).Attributes(W.fill).FirstOrDefault();
if (shade != null)
CreateColorProperty("background", shade, style);
// Pt.FontName
string font = null;
if (run.Element(W.sym) != null)
font = (string)run.Elements(W.sym).Attributes(W.font).FirstOrDefault();
else
font = (string)run.Attributes(PtOpenXml.FontName).FirstOrDefault();
if (font != null)
CreateFontCssProperty(font, style);
// W.sz
var languageType = (string)run.Attribute(PtOpenXml.LanguageType);
decimal? sz = null;
if (languageType == "bidi")
sz = (decimal?)rPr.Elements(W.szCs).Attributes(W.val).FirstOrDefault();
else
sz = (decimal?)rPr.Elements(W.sz).Attributes(W.val).FirstOrDefault();
if (sz != null)
style.AddIfMissing("font-size", string.Format("{0}pt", sz / 2.0m));
// W.caps
if (getBoolProp(rPr, W.caps))
style.AddIfMissing("text-transform", "uppercase");
// W.smallCaps
if (getBoolProp(rPr, W.smallCaps))
style.AddIfMissing("font-variant", "small-caps");
// W.spacing
decimal? spacingInTwips = (decimal?)rPr.Elements(W.spacing).Attributes(W.val).FirstOrDefault();
if (spacingInTwips != null)
style.AddIfMissing("letter-spacing", string.Format("{0}pt", spacingInTwips / 20));
// W.position
decimal? position = (decimal?)rPr.Elements(W.position).Attributes(W.val).FirstOrDefault();
if (position != null)
{
style.AddIfMissing("position", "relative");
style.AddIfMissing("top", string.Format("{0}pt", -(position / 2)));
}
// W.vanish
if (getBoolProp(rPr, W.vanish))
style.AddIfMissing("display", "none");
object content = run.Elements().Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, 0m));
// W.u
if (rPr.Element(W.u) != null && (string)rPr.Elements(W.u).Attributes(W.val).FirstOrDefault() != "none")
{
var newContent = new XElement(Xhtml.u, content);
if (newContent.Nodes().Any())
content = newContent;
style.AddIfMissing("text-decoration", "underline");
}
// W.i
if (getBoolProp(rPr, W.i))
{
var newContent = new XElement(Xhtml.i, content);
if (newContent.Nodes().Any())
content = newContent;
style.AddIfMissing("font-style", "italic");
}
// W.b
if (getBoolProp(rPr, W.b))
{
var newContent = new XElement(Xhtml.b, content);
if (newContent.Nodes().Any())
content = newContent;
style.AddIfMissing("font-weight", "bold");
}
else
{
style.AddIfMissing("font-weight", "normal");
}
// W.strike
if (getBoolProp(rPr, W.strike) || getBoolProp(rPr, W.dstrike))
{
var newContent = new XElement(Xhtml.s, content);
if (newContent.Nodes().Any())
content = newContent;
style.AddIfMissing("text-decoration", "line-through");
}
// W.vertAlign
if (rPr.Element(W.vertAlign) != null && (string)rPr.Elements(W.vertAlign).Attributes(W.val).FirstOrDefault() == "superscript")
{
var newContent = new XElement(Xhtml.sup, content);
if (newContent.Nodes().Any())
content = newContent;
}
if (rPr.Element(W.vertAlign) != null && (string)rPr.Elements(W.vertAlign).Attributes(W.val).FirstOrDefault() == "subscript")
{
var newContent = new XElement(Xhtml.sub, content);
if (newContent.Nodes().Any())
content = newContent;
}
var rtl = rPr.Element(W.rtl);
var isRtl = rtl != null;
var paragraph = run.Ancestors(W.p).FirstOrDefault();
var paraBidi = paragraph
.Elements(W.pPr)
.Elements(W.bidi)
.Where(b => b.Attribute(W.val) == null || b.Attribute(W.val).ToBoolean() == true)
.FirstOrDefault();
var paraIsBidi = paraBidi != null;
string lang = null;
if (languageType == "western")
lang = (string)rPr.Elements(W.lang).Attributes(W.val).FirstOrDefault();
else if (languageType == "bidi")
lang = (string)rPr.Elements(W.lang).Attributes(W.bidi).FirstOrDefault();
else if (languageType == "eastAsia")
lang = (string)rPr.Elements(W.lang).Attributes(W.eastAsia).FirstOrDefault();
// only do the following for text runs.
XEntity runStartMark = null;
XEntity runEndMark = null;
// Can't add directional marks if the font-family is symbol - they are visible, and display as a ?
bool addDirectionalMarks = true;
if (style.ContainsKey("font-family"))
{
if (style["font-family"].ToLower() == "symbol")
addDirectionalMarks = false;
}
if (addDirectionalMarks)
{
if (run.Element(W.t) != null)
{
if (isRtl)
{
runStartMark = new XEntity("#x200f"); // RLM
runEndMark = new XEntity("#x200f"); // RLM
}
else
{
if (paraIsBidi)
{
runStartMark = new XEntity("#x200e"); // LRM
runEndMark = new XEntity("#x200e"); // LRM
}
}
}
}
string defaultLanguage = "en-US"; // todo need to get defaultLanguage
if (lang == null)
lang = defaultLanguage;
XAttribute langAttribute = new XAttribute("lang", lang);
if (lang == defaultLanguage)
langAttribute = null;
if (style.Any() || isRtl || langAttribute != null)
{
style.AddIfMissing("margin", "0in");
style.AddIfMissing("padding", "0in");
var xe = new XElement(Xhtml.span,
langAttribute,
runStartMark,
content,
runEndMark);
xe.AddAnnotation(style);
content = xe;
}
return content;
}
private string _ConvertToHtml(WordprocessingDocument doc)
{
lock(_convertLocker)
{
HtmlConverterSettings settings = new HtmlConverterSettings
{
#region import images
// ImageHandler = imageInfo =>
// {
// DirectoryInfo localDirInfo = new DirectoryInfo(imageDirectoryName);
// if (!localDirInfo.Exists)
// localDirInfo.Create();
// ++imageCounter;
// string extension = imageInfo.ContentType.Split('/')[1].ToLower();
//
// ImageFormat imageFormat = null;
// switch (extension)
// {
// case "jpeg":
// // Convert the .jpeg file to a .png file.
// extension = "png";
// imageFormat = ImageFormat.Png;
// break;
// case "bmp":
// imageFormat = ImageFormat.Bmp;
// break;
// case "png":
// imageFormat = ImageFormat.Png;
// break;
// case "tiff":
// imageFormat = ImageFormat.Tiff;
// break;
// }
//
// if (imageFormat == null) return null;
//
// string imageFileName = String.Format("{0}{1}/img.{2}", imageDirectoryName, imageCounter, extension);
// try
// {
// imageInfo.Bitmap.Save(imageFileName, imageFormat);
// }
// catch (ExternalException)
// {
// return null;
// }
//
// XElement img = new XElement(Xhtml.img,
// new XAttribute(NoNamespace.src, imageFileName),
// imageInfo.ImgStyleAttribute,
// imageInfo.AltText != null ?
// new XAttribute(NoNamespace.alt, imageInfo.AltText) : null);
//
// return img;
// }
#endregion
};
CultureInfo ci = (CultureInfo)CultureInfo.CurrentCulture.Clone();
CultureInfo ci2 = (CultureInfo)CultureInfo.CurrentCulture.Clone();
ci2.NumberFormat.NumberDecimalSeparator = ".";
Thread.CurrentThread.CurrentCulture = ci2;
XElement html = HtmlConverter.ConvertToHtml(doc, settings);
Thread.CurrentThread.CurrentCulture = ci;
return html.ToStringNewLineOnAttributes();
}
}
private static object CreateBorderDivs(WordprocessingDocument wordDoc, HtmlConverterSettings settings, IEnumerable<XElement> elements)
{
return elements.GroupAdjacent(e =>
{
if (e.Elements(W.pPr).Elements(W.pBdr).Any())
{
var pBdr = e.Element(W.pPr).Element(W.pBdr);
var indStr = "";
var ind = e.Element(W.pPr).Element(W.ind);
if (ind != null)
indStr = ind.ToString(SaveOptions.DisableFormatting);
return pBdr.ToString(SaveOptions.DisableFormatting) + indStr;
}
else if (e.Name == W.tbl)
{
return "table";
}
else
{
return ""; // empty string means no pBdr
}
})
.Select(g =>
{
if (g.Key == "")
{
var o = GroupAndVerticallySpaceNumberedParagraphs(wordDoc, settings, g, 0m);
return (object)o;
}
if (g.Key == "table")
{
var o = g.Select(gc => ConvertToHtmlTransform(wordDoc,
settings, gc, false, 0));
return o;
}
var pPr = g.First().Element(W.pPr);
var pBdr = pPr.Element(W.pBdr);
Dictionary<string, string> style = new Dictionary<string, string>();
GenerateBorderStyle(pBdr, W.top, style, BorderType.Paragraph);
GenerateBorderStyle(pBdr, W.right, style, BorderType.Paragraph);
GenerateBorderStyle(pBdr, W.bottom, style, BorderType.Paragraph);
GenerateBorderStyle(pBdr, W.left, style, BorderType.Paragraph);
var ind = pPr.Element(W.ind);
decimal currentMarginLeft = 0m;
if (ind != null)
{
decimal? left = (decimal?)ind.Attribute(W.left);
decimal leftInInches = 0;
if (left != null)
leftInInches = (decimal)left / 1440;
decimal? hanging = (decimal?)ind.Attribute(W.hanging);
decimal hangingInInches = 0;
if (hanging != null)
hangingInInches = -(decimal)hanging / 1440;
currentMarginLeft = leftInInches + hangingInInches;
style.AddIfMissing("margin-left", string.Format("{0:0.00}in", currentMarginLeft));
}
var div = new XElement(Xhtml.div,
GroupAndVerticallySpaceNumberedParagraphs(wordDoc, settings, g, currentMarginLeft));
div.AddAnnotation(style);
return div;
})
.ToList();
}
public static string ConvertToHtml(byte[] byteArray)
{
string result = null;
List<Bitmap> documentPictures = new List<Bitmap>();
using (MemoryStream memoryStream = new MemoryStream())
{
memoryStream.Write(byteArray, 0, byteArray.Length);
using (WordprocessingDocument wDoc = WordprocessingDocument.Open(memoryStream, true))
{
//var destFileName = new FileInfo(fi.Name.Replace(".docx", ".html"));
//if (outputDirectory != null && outputDirectory != string.Empty)
//{
// DirectoryInfo di = new DirectoryInfo(outputDirectory);
// if (!di.Exists)
// {
// throw new OpenXmlPowerToolsException("Output directory does not exist");
// }
// destFileName = new FileInfo(Path.Combine(di.FullName, destFileName.Name));
//}
//var imageDirectoryName = destFileName.FullName.Substring(0, destFileName.FullName.Length - 5) + "_files";
int imageCounter = 0;
var pageTitle = "RoboBrailleDoc";
var part = wDoc.CoreFilePropertiesPart;
if (part != null)
{
pageTitle = (string)part.GetXDocument().Descendants(DC.title).FirstOrDefault() ?? "RoboBrailleDoc";
}
// TODO: Determine max-width from size of content area.
HtmlConverterSettings settings = new HtmlConverterSettings()
{
AdditionalCss = "body { margin: 1cm auto; max-width: 20cm; padding: 0; }",
PageTitle = pageTitle,
FabricateCssClasses = true,
CssClassPrefix = "pt-",
RestrictToSupportedLanguages = false,
RestrictToSupportedNumberingFormats = false,
ImageHandler = imageInfo =>
{
//DirectoryInfo localDirInfo = new DirectoryInfo(imageDirectoryName);
//if (!localDirInfo.Exists)
// localDirInfo.Create();
++imageCounter;
string extension = imageInfo.ContentType.Split('/')[1].ToLower();
ImageFormat imageFormat = null;
if (extension == "png")
imageFormat = ImageFormat.Png;
else if (extension == "gif")
imageFormat = ImageFormat.Gif;
else if (extension == "bmp")
imageFormat = ImageFormat.Bmp;
else if (extension == "jpeg")
imageFormat = ImageFormat.Jpeg;
else if (extension == "tiff")
{
// Convert tiff to gif.
extension = "gif";
imageFormat = ImageFormat.Gif;
}
else if (extension == "x-wmf")
{
extension = "wmf";
imageFormat = ImageFormat.Wmf;
}
// If the image format isn't one that we expect, ignore it,
// and don't return markup for the link.
if (imageFormat == null)
return null;
try
{
//imageInfo.Bitmap.Save(imageFileName, imageFormat);
documentPictures.Add(imageInfo.Bitmap);
}
catch (ExternalException)
{
return null;
}
string imageFileName = "/image" + imageCounter.ToString() + "." + extension;
XElement img = new XElement(Xhtml.img,
new XAttribute(NoNamespace.src, imageFileName),
imageInfo.ImgStyleAttribute,
imageInfo.AltText != null ?
new XAttribute(NoNamespace.alt, imageInfo.AltText) : null);
return img;
}
};
XElement htmlElement = HtmlConverter.ConvertToHtml(wDoc, settings);
// Produce HTML document with <!DOCTYPE html > declaration to tell the browser
// we are using HTML5.
var html = new XDocument(
new XDocumentType("html", null, null, null),
htmlElement);
// Note: the xhtml returned by ConvertToHtmlTransform contains objects of type
// XEntity. PtOpenXmlUtil.cs define the XEntity class. See
// http://blogs.msdn.com/ericwhite/archive/2010/01/21/writing-entity-references-using-linq-to-xml.aspx
// for detailed explanation.
//
// If you further transform the XML tree returned by ConvertToHtmlTransform, you
// must do it correctly, or entities will not be serialized properly.
var htmlString = html.ToString(SaveOptions.DisableFormatting);
//File.WriteAllText(destFileName.FullName, htmlString, Encoding.UTF8);
result = htmlString;
}
}
return result;
}
private static object ConvertContentThatCanContainFields(WordprocessingDocument wordDoc, HtmlConverterSettings settings,
IEnumerable<XElement> elements)
{
var grouped = elements
.GroupAdjacent(e =>
{
Stack<FieldRetriever.FieldElementTypeInfo> stack = e.Annotation<Stack<FieldRetriever.FieldElementTypeInfo>>();
if (stack == null || !stack.Any())
return (int?)null;
int lowestId = stack.Select(st => st.Id).Min();
return lowestId;
})
.ToList();
var txformed = grouped
.Select(g =>
{
if (g.Key == null)
{
var o = (object)g.
Select(n =>
{
var o2 = ConvertToHtmlTransform(wordDoc, settings, n, false, 0m);
return o2;
})
.ToList();
return o;
}
var instrText = FieldRetriever.InstrText(g.First().Ancestors().Last(), (int)g.Key).TrimStart('{').TrimEnd('}');
var parsed = FieldRetriever.ParseField(instrText);
if (parsed.FieldType != "HYPERLINK")
return g.Select(n => ConvertToHtmlTransform(wordDoc, settings, n, false, 0m));
if (parsed.Arguments.Length > 0)
{
var a = new XElement(Xhtml.A,
new XAttribute("href", parsed.Arguments[0]),
g.DescendantsAndSelf(W.r).Select(run => ConvertRun(wordDoc, settings, run)));
return a;
}
else
{
var a = new XElement(Xhtml.A,
g.DescendantsAndSelf(W.r).Select(run => ConvertRun(wordDoc, settings, run)));
return a;
}
})
.ToList();
return txformed;
}
/*
* Notes on line spacing
*
* the w:line and w:lineRule attributes control spacing between lines - including between lines within a paragraph
*
* If w:spacing w:lineRule="auto" then
* w:spacing w:line is a percentage where 240 == 100%
*
* (line value / 240) * 100 = percentage of line
*
* If w:spacing w:lineRule="exact" or w:lineRule="atLeast" then
* w:spacing w:line is in twips
* 1440 = exactly one inch from line to line
*
* Handle
* - ind
* - jc
* - numPr
* - pBdr
* - shd
* - spacing
* - textAlignment
*
* Don't Handle (yet)
* - adjustRightInd?
* - autoSpaceDE
* - autoSpaceDN
* - bidi
* - contextualSpacing
* - divId
* - framePr
* - keepLines
* - keepNext
* - kinsoku
* - mirrorIndents
* - overflowPunct
* - pageBreakBefore
* - snapToGrid
* - suppressAutoHyphens
* - suppressLineNumbers
* - suppressOverlap
* - tabs
* - textBoxTightWrap
* - textDirection
* - topLinePunct
* - widowControl
* - wordWrap
*
*/
private static object ConvertParagraph(WordprocessingDocument wordDoc, HtmlConverterSettings settings,
XElement paragraph, XName elementName, bool suppressTrailingWhiteSpace, decimal currentMarginLeft, bool isBidi)
{
var style = DefineParagraphStyle(paragraph, elementName, suppressTrailingWhiteSpace, currentMarginLeft, isBidi);
var rtl = isBidi ? new XAttribute("dir", "rtl") : new XAttribute("dir", "ltr");
var firstMark = isBidi ? new XEntity("#x200f") : null;
// Analyze initial runs to see whether we have a tab, in which case we will render
// a span with a defined width and ignore the tab rather than rendering the text
// preceding the tab and the tab as a span with a computed width.
var firstTabRun = paragraph
.Elements(W.r)
.FirstOrDefault(run => run.Elements(W.tab).Any());
var elementsPrecedingTab = firstTabRun != null
? paragraph.Elements(W.r).TakeWhile(e => e != firstTabRun)
.Where(e => e.Elements().Any(c => c.Attributes(PtOpenXml.TabWidth).Any())).ToList()
: Enumerable.Empty<XElement>().ToList();
// TODO: Revisit
// For the time being, if a hyperlink field precedes the tab, we'll render it as before.
var hyperlinkPrecedesTab = elementsPrecedingTab
.Elements(W.r)
.Elements(W.instrText)
.Select(e => e.Value)
.Any(value => value != null && value.TrimStart().ToUpper().StartsWith("HYPERLINK"));
if (hyperlinkPrecedesTab)
{
var paraElement1 = new XElement(elementName,
rtl,
firstMark,
ConvertContentThatCanContainFields(wordDoc, settings, paragraph.Elements()));
paraElement1.AddAnnotation(style);
return paraElement1;
}
var txElementsPrecedingTab = TransformElementsPrecedingTab(wordDoc, settings, elementsPrecedingTab, firstTabRun);
var elementsSucceedingTab = firstTabRun != null
? paragraph.Elements().SkipWhile(e => e != firstTabRun).Skip(1)
: paragraph.Elements();
var paraElement = new XElement(elementName,
rtl,
firstMark,
txElementsPrecedingTab,
ConvertContentThatCanContainFields(wordDoc, settings, elementsSucceedingTab));
paraElement.AddAnnotation(style);
return paraElement;
}
public XElement ConvertToHtml(HtmlConverterSettings htmlConverterSettings)
{
return HtmlConverter.ConvertToHtml(this, htmlConverterSettings);
}
private static List<object> TransformElementsPrecedingTab(WordprocessingDocument wordDoc, HtmlConverterSettings settings,
List<XElement> elementsPrecedingTab, XElement firstTabRun)
{
var tabWidth = firstTabRun != null
? (decimal?) firstTabRun.Elements(W.tab).Attributes(PtOpenXml.TabWidth).FirstOrDefault() ?? 0m
: 0m;
var precedingElementsWidth = elementsPrecedingTab
.Elements()
.Where(c => c.Attributes(PtOpenXml.TabWidth).Any())
.Select(e => (decimal) e.Attribute(PtOpenXml.TabWidth))
.Sum();
var totalWidth = precedingElementsWidth + tabWidth;
var txElementsPrecedingTab = elementsPrecedingTab
.Select(e => ConvertToHtmlTransform(wordDoc, settings, e, false, 0m))
.ToList();
if (txElementsPrecedingTab.Count > 1)
{
var span = new XElement(Xhtml.span, txElementsPrecedingTab);
var spanStyle = new Dictionary<string, string>
{
{ "display", "inline-block" },
{ "text-indent", "0" },
{ "width", string.Format(NumberFormatInfo.InvariantInfo, "{0:0.000}in", totalWidth) }
};
span.AddAnnotation(spanStyle);
}
else if (txElementsPrecedingTab.Count == 1)
{
var element = txElementsPrecedingTab.First() as XElement;
if (element != null)
{
var spanStyle = element.Annotation<Dictionary<string, string>>();
spanStyle.AddIfMissing("display", "inline-block");
spanStyle.AddIfMissing("text-indent", "0");
spanStyle.AddIfMissing("width", string.Format(NumberFormatInfo.InvariantInfo, "{0:0.000}in", totalWidth));
}
}
return txElementsPrecedingTab;
}
/*
* Notes on line spacing
*
* the w:line and w:lineRule attributes control spacing between lines - including between lines within a paragraph
*
* If w:spacing w:lineRule="auto" then
* w:spacing w:line is a percentage where 240 == 100%
*
* (line value / 240) * 100 = percentage of line
*
* If w:spacing w:lineRule="exact" or w:lineRule="atLeast" then
* w:spacing w:line is in twips
* 1440 = exactly one inch from line to line
*
* Handle
* - ind
* - jc
* - numPr
* - pBdr
* - shd
* - spacing
* - textAlignment
*
* Don't Handle (yet)
* - adjustRightInd?
* - autoSpaceDE
* - autoSpaceDN
* - bidi
* - contextualSpacing
* - divId
* - framePr
* - keepLines
* - keepNext
* - kinsoku
* - mirrorIndents
* - overflowPunct
* - pageBreakBefore
* - snapToGrid
* - suppressAutoHyphens
* - suppressLineNumbers
* - suppressOverlap
* - tabs
* - textBoxTightWrap
* - textDirection
* - topLinePunct
* - widowControl
* - wordWrap
*
*/
private static object ConvertParagraph(WordprocessingDocument wordDoc, HtmlConverterSettings settings,
XElement paragraph, XName elementName, bool suppressTrailingWhiteSpace, decimal currentMarginLeft, bool isBidi)
{
var style = new Dictionary<string, string>();
var sn = (string)paragraph.Attribute(PtOpenXml.StyleName);
if (sn != null)
style.Add("PtStyleName", sn);
XElement pPr = paragraph.Element(W.pPr);
if (pPr != null)
{
var spacing = pPr.Element(W.spacing);
if (spacing != null)
{
var spacingBefore = (decimal?)spacing.Attribute(W.before);
if (spacingBefore != null)
style.AddIfMissing("margin-top", string.Format("{0}pt", spacingBefore / 20.0m));
var lineRule = (string)spacing.Attribute(W.lineRule);
if (lineRule == "auto")
{
var line = (decimal)spacing.Attribute(W.line);
if (line != 240m)
{
var pct = (line / 240m) * 100m;
style.Add("line-height", string.Format("{0:0.0}%", pct));
}
}
if (lineRule == "exact")
{
var line = (decimal)spacing.Attribute(W.line);
var points = line / 20m;
style.Add("line-height", string.Format("{0:0.0}pt", points));
}
if (lineRule == "atLeast")
{
var line = (decimal)spacing.Attribute(W.line);
var points = line / 20m;
if (points >= 14m)
style.Add("line-height", string.Format("{0:0.0}pt", points));
}
decimal? spacingAfter;
if (suppressTrailingWhiteSpace)
spacingAfter = 0;
else
spacingAfter = (decimal?)spacing.Attribute(W.after) /*+ addToSpacing*/;
if (spacingAfter != null)
style.AddIfMissing("margin-bottom", string.Format("{0}pt", spacingAfter / 20.0m));
}
var ind = pPr.Element(W.ind);
if (ind != null)
{
decimal? left = (decimal?)ind.Attribute(W.left);
if (left != null)
{
decimal leftInInches = (decimal)left / 1440 - currentMarginLeft;
style.AddIfMissing(isBidi ? "margin-right" : "margin-left",
string.Format("{0:0.00}in", leftInInches));
}
decimal? right = (decimal?)ind.Attribute(W.right);
if (right != null)
{
decimal rightInInches = (decimal)right / 1440;
style.AddIfMissing(isBidi ? "margin-left" : "margin-right",
string.Format("{0:0.00}in", rightInInches));
}
decimal? firstLine = (decimal?)ind.Attribute(W.firstLine);
if (firstLine != null)
{
decimal firstLineInInches = (decimal)firstLine / 1440m;
style.AddIfMissing("text-indent", string.Format("{0:0.00}in", firstLineInInches));
}
decimal? hanging = (decimal?)ind.Attribute(W.hanging);
if (hanging != null)
{
decimal hangingInInches = (decimal)-hanging / 1440m;
style.AddIfMissing("text-indent", string.Format("{0:0.00}in", hangingInInches));
}
}
// todo need to handle
// - both
// - mediumKashida
// - distribute
// - numTab
// - highKashida
// - lowKashida
// - thaiDistribute
var jcVal = (string)pPr.Elements(W.jc).Attributes(W.val).FirstOrDefault();
if (jcVal == null)
{
jcVal = "left";
}
if (jcVal == "left")
{
if (isBidi)
style.AddIfMissing("text-align", "right");
else
style.AddIfMissing("text-align", "left");
}
else if (jcVal == "right")
{
if (isBidi)
style.AddIfMissing("text-align", "left");
else
style.AddIfMissing("text-align", "right");
}
else if (jcVal == "center")
style.AddIfMissing("text-align", "center");
else if (jcVal == "both")
style.AddIfMissing("text-align", "justify");
CreateStyleFromShd(style, pPr.Element(W.shd));
// Pt.FontName
string font = (string)paragraph.Attributes(PtOpenXml.FontName).FirstOrDefault();
if (font != null)
CreateFontCssProperty(font, style);
// W.sz
decimal? sz = null;
var languageType = (string)paragraph.Attribute(PtOpenXml.LanguageType);
if (languageType == "bidi")
sz = (decimal?)pPr.Elements(W.rPr).Elements(W.szCs).Attributes(W.val).FirstOrDefault();
else
sz = (decimal?)pPr.Elements(W.rPr).Elements(W.sz).Attributes(W.val).FirstOrDefault();
var sizesOfAllRunsInParagraph = paragraph
.DescendantsTrimmed(W.txbxContent)
.Select(run =>
{
if (run.Name != W.r)
return null;
var runLanguageType = (string)run.Attribute(PtOpenXml.LanguageType);
if (runLanguageType == "bidi")
{
var runCsSz = (decimal?)run
.Elements(W.rPr)
.Elements(W.szCs)
.Attributes(W.val)
.FirstOrDefault();
return runCsSz;
}
else
{
var runSz = (decimal?)run
.Elements(W.rPr)
.Elements(W.sz)
.Attributes(W.val)
.FirstOrDefault();
return runSz;
}
})
.Where(runSz => runSz != null);
if (sizesOfAllRunsInParagraph.Any())
sz = sizesOfAllRunsInParagraph.Cast<decimal>().Max();
if (sz != null)
style.AddIfMissing("font-size", string.Format("{0}pt", sz / 2.0m));
var languageTypeOfAllRunsInParagraph = paragraph
.DescendantsTrimmed(W.txbxContent)
.Select(run =>
{
if (run.Name != W.r)
return null;
var runLanguageType = (string)run.Attribute(PtOpenXml.LanguageType);
return runLanguageType;
})
.Where(runSz => runSz != null);
if (!languageTypeOfAllRunsInParagraph.Any(lt => lt == "bidi"))
style.AddIfMissing("line-height", "108%");
// vertical text alignment as of December 2013 does not work in any major browsers.
var verticalTextAlignment = (string)pPr.Elements(W.textAlignment).Attributes(W.val).FirstOrDefault();
if (verticalTextAlignment != null && verticalTextAlignment != "auto")
{
if (verticalTextAlignment == "top")
style.AddIfMissing("vertical-align", "top");
else if (verticalTextAlignment == "center")
style.AddIfMissing("vertical-align", "middle");
else if (verticalTextAlignment == "baseline")
style.AddIfMissing("vertical-align", "baseline");
else if (verticalTextAlignment == "bottom")
style.AddIfMissing("vertical-align", "bottom");
}
style.AddIfMissing("margin-top", "0pt");
style.AddIfMissing("margin-left", "0pt");
style.AddIfMissing("margin-right", "0pt");
style.AddIfMissing("margin-bottom", ".001pt");
}
XAttribute rtl = null;
XEntity firstMark = null;
if (isBidi)
{
rtl = new XAttribute("dir", "rtl");
firstMark = new XEntity("#x200f"); // RLM
}
else
{
rtl = new XAttribute("dir", "ltr");
}
var paraElement = new XElement(elementName,
rtl,
firstMark,
ConvertContentThatCanContainFields(wordDoc, settings, paragraph.Elements()));
paraElement.AddAnnotation(style);
return paraElement;
}
public XElement ConvertToHtml(HtmlConverterSettings htmlConverterSettings, Func <ImageInfo, XElement> imageHandler)
{
return(HtmlConverter.ConvertToHtml(this, htmlConverterSettings, imageHandler));
}
