private string GetIndent(Paragraph para, IEnumerable <Style> docStyles)
{
string indent = string.Empty;
if (para != null && para.ParagraphProperties != null && para.ParagraphProperties.Indentation != null)
{
var indentation = para.ParagraphProperties.Indentation;
if (indentation.Left != null && indentation.Left.HasValue)
{
indent = WordListManager.TwipsToSpaces(indentation.Left);
}
else if (indentation.Start != null && indentation.Start.HasValue)
{
indent = WordListManager.TwipsToSpaces(indentation.Start);
}
}
if (para != null && para.ParagraphProperties != null && para.ParagraphProperties.ParagraphStyleId != null &&
para.ParagraphProperties.ParagraphStyleId.Val != null &&
para.ParagraphProperties.ParagraphStyleId.Val.HasValue)
{
var style = docStyles.Where(r => r.StyleId == para.ParagraphProperties.ParagraphStyleId.Val.Value)
.Select(r => r).FirstOrDefault();
if (style != null)
{
var pp = style.Where(r => r is StyleParagraphProperties)
.Select(r => r as StyleParagraphProperties).FirstOrDefault();
if (pp != null && pp.Indentation != null)
{
if (pp.Indentation.Left != null && pp.Indentation.Left.HasValue)
{
indent = WordListManager.TwipsToSpaces(pp.Indentation.Left);
}
else if (pp.Indentation.Start != null && pp.Indentation.Start.HasValue)
{
indent = WordListManager.TwipsToSpaces(pp.Indentation.Start);
}
}
}
}
return(indent);
}
private void ExtractText(OpenXmlElement elem, IEnumerable <Style> docStyles, WordListManager wlm, StringBuilder sb)
{
if (elem is Paragraph)
{
var para = elem as Paragraph;
string indent = GetIndent(para, docStyles);
string fmtNum = wlm.GetFormattedNumber(para);
if (isInTableRow)
{
sb.Append(indent).Append(fmtNum).Append(elem.InnerText).Append('\t');
}
else
{
sb.Append(indent).Append(fmtNum).AppendLine(elem.InnerText);
}
}
else if (elem is TableRow)
{
isInTableRow = true;
sb.Append('\t');
foreach (var child in elem)
{
ExtractText(child, docStyles, wlm, sb);
}
sb.AppendLine();
isInTableRow = false;
}
else
{
foreach (var child in elem)
{
ExtractText(child, docStyles, wlm, sb);
}
}
}
private string ExtractWordText(Stream stream)
{
StringBuilder sb = new StringBuilder();
// Open a given Word document as readonly
using (WordprocessingDocument doc = WordprocessingDocument.Open(stream, false))
{
var body = doc.MainDocumentPart.Document.Body;
var docStyles = doc.MainDocumentPart.StyleDefinitionsPart.Styles
.Where(r => r is Style).Select(r => r as Style);
WordListManager wlm = WordListManager.Empty;
if (doc.MainDocumentPart.NumberingDefinitionsPart != null && doc.MainDocumentPart.NumberingDefinitionsPart.Numbering != null)
{
wlm = new WordListManager(doc.MainDocumentPart.NumberingDefinitionsPart.Numbering);
}
ExtractText(body, docStyles, wlm, sb);
}
return(sb.ToString());
}
