/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
var bld = new StringBuilder("<");
var tag = _tag;
if (CommandConverter.MathFunctionsScriptCommandConstants.ContainsKey(expr.Expressions[0][0].Name))
{
tag = (_tag == "msup") ? "mover" : "munder";
}
bld.Append(tag);
bld.Append(">\n<mrow>\n");
var first = expr.Expressions[0][0].Convert();
if (first != "</mrow>\n</mfenced>\n")
{
bld.Append(first);
}
bld.Append("</mrow>\n<mrow>\n");
bld.Append(expr.Expressions[0][1].Convert());
bld.Append("</mrow>\n</");
bld.Append(tag);
bld.Append(">\n");
if (first != "</mrow>\n</mfenced>\n")
{
return bld.ToString();
}
return first + bld;
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.Expressions == null) return "";
var alg = "<code class=\"algorithm\">";
alg += SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization);
return alg + "</code>\n";
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.Expressions == null) return "";
GetParameters();
var bld = new StringBuilder();
if (_mathMode)
{
bld.Append("<mover accent=\"true\">\n");
if (!_stretchy)
{
bld.Append(expr.Expressions[0][0].Convert());
}
else
{
bld.Append(SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization));
}
bld.Append("<mo stretchy=\"true\">" + _value + "</mo>\n</mover>\n");
}
else
{
MathConverter.AppendMathProlog(bld, "accent", true, expr.Customization);
bld.Append("<mrow>");
bld.Append("<mover accent=\"true\">\n");
bld.Append(expr.Expressions[0][0].Convert());
bld.Append("<mo>" + _value + "</mo>\n</mover>\n");
bld.Append("</mrow>\n");
MathConverter.AppendMathEpilog(bld);
}
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.Expressions == null || expr.Options == null) return "";
var contents = SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization);
var label = expr.Customization.References[expr.Options.AsExpressions[0].Name];
return "<a href=\"#" + label.Kind + label.Number + "\">" + contents + label.Number + "</a>";
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
var bld = new StringBuilder();
ReadDocumentInfo(expr.Expressions[0]);
var bodyBuilder = bld;
// Convert the {document} block
LatexExpression documentExpression = expr.FindDocument();
if (documentExpression != null)
{
try
{
bodyBuilder.Append(documentExpression.Convert());
}
// ReSharper disable RedundantCatchClause
#pragma warning disable 168
catch (Exception e)
#pragma warning restore 168
{
#if DEBUG
throw;
#else
Log.Error("Failed to convert the document block", e);
#endif
}
// ReSharper restore RedundantCatchClause
}
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.MathMode) return "";
var bld = new StringBuilder();
int parentChildNumber = 0;
if (expr.Expressions.Count > 1)
{
parentChildNumber = 1;
bld.Append("<h4 class=\"");
bld.Append(expr.Name);
bld.Append("\">");
for (int i = 0; i < expr.Expressions[0].Count; i++)
{
bld.Append(expr.Expressions[0][i].Convert());
}
bld.Append("</h4>\n");
}
bld.Append("<p>\n");
for (int i = 0; i < expr.Expressions[parentChildNumber].Count; i++)
{
bld.Append(expr.Expressions[parentChildNumber][i].Convert());
}
bld.Append("</p>\n");
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.Expressions == null) return "";
var def = "<div class=\"definition\">";
def += SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization);
return def + "</div>\n";
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
var bld = new StringBuilder();
if (expr.Parent.Name == "enumerate" || expr.Parent.Name == "itemize")
{
bld.Append("<li>");
if (expr.Expressions != null)
{
bld.Append(SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization));
}
bld.Append("</li>");
}
if (expr.Parent.Name == "description")
{
if (expr.Options != null)
{
bld.Append("<dt>");
bld.Append(SequenceConverter.ConvertOutline(expr.Options.AsExpressions, expr.Customization));
bld.Append("</dt>\n");
}
if (expr.Expressions != null)
{
bld.Append("<dd>");
bld.Append(SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization));
bld.Append("</dd>\n");
}
}
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (!expr.MathMode)
{
var formatDiv = "<span class=\"" + expr.Customization.GetCurrentCssStyle() + "\">";
formatDiv += LatexStringToXmlString(expr.Name);
return formatDiv + "</span>";
}
if (expr.Name == "InvisibleTimes")
{
return "<mo>⁢<!-- ⁢ --></mo>\n";
}
if (char.IsLetter(expr.Name[0]))
{
return "<mi>" + expr.Name + "</mi>\n";
}
if (char.IsDigit(expr.Name[0]))
{
return "<mn>" + expr.Name + "</mn>\n";
}
string str;
if (MathConstants.TryGetValue(expr.Name, out str))
{
return str;
}
return "<mo>" + LatexStringToXmlString(expr.Name.Trim()) + "</mo>\n";
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.Expressions == null) return "";
var url = expr.Expressions[0][0].Name;
var text = SequenceConverter.ConvertOutline(expr.Expressions[1], expr.Customization);
return "<a href=\"" + url + "\">" + text + "</a>";
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.Expressions == null) return "";
var div = "<h2 class=\"section\">" + (expr.Customization.Localization == "ru"? "Аннотация" : "Abstract") +
"</h2>\n<span class=\"abstract\">\n";
div += SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization);
return div + "</span>\n";
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.Expressions == null) return "";
var bld = new StringBuilder("<span class=\"IEEEauthorblockA\">\n");
bld.Append(SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization));
bld.Append("</span><br />\n");
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
var bld = new StringBuilder("<p style=\"text-align:");
bld.Append(_alignment);
bld.Append(";\">\n");
bld.Append(SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization));
bld.Append("</p>\n");
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
var bld = new StringBuilder();
//bld.Append("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
//bld.Append("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN\" ");
//bld.Append("\"http://www.w3.org/Math/DTD/mathml2/xhtml-math11-f.dtd\">\n");
//bld.Append("<html xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" xml:lang=\"");
//bld.Append(expr.Customization.Localization);
//bld.Append("\">\n");
ReadDocumentInfo(expr.Expressions[0]);
//WriteHead(expr, bld);
//bld.Append("<body>\n");
//MakeTitle(bld);
var bodyBuilder = expr.Customization.PlacementOfTableOfContents == TableOfContentsPlacement.Top
? new StringBuilder() : bld;
// Convert the {document} block
LatexExpression documentExpression = expr.FindDocument();
if (documentExpression != null)
{
try
{
bodyBuilder.Append(documentExpression.Convert());
}
// ReSharper disable RedundantCatchClause
#pragma warning disable 168
catch (Exception e)
#pragma warning restore 168
{
#if DEBUG
throw;
#else
Log.Error("Failed to convert the document block", e);
#endif
}
// ReSharper restore RedundantCatchClause
}
//if (expr.Customization.PlacementOfTableOfContents != TableOfContentsPlacement.None)
//{
// MakeTableOfContents(bld, expr.Customization.SectionContents, expr.Customization.TableOfContentsTitle,
// expr.Customization.TocSectionFormat, expr.Customization.TocSubsectionFormat);
//}
if (expr.Customization.PlacementOfTableOfContents != TableOfContentsPlacement.Bottom)
{
bld.Append(bodyBuilder.ToString());
}
if (expr.Customization.Bibliography != null && expr.Customization.Bibliography.Count > 0)
{
MakeBibliography(bld, expr.Customization.BibliographyTitle,
expr.Customization.BibliographyRecordFormat, expr.Customization.Bibliography);
}
//bld.Append("</body>\n</html>");
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.Expressions == null) return "";
if (expr.Expressions[0][0].ExprType == ExpressionType.PlainText)
{
var label = expr.Customization.References[(string)expr.Tag];
return "<span id=\"" + label.Kind + label.Number + "\" />";
}
return "";
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
var bld = new StringBuilder();
bld.Append("<mfrac>\n<mrow>\n");
bld.Append(SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization));
bld.Append("</mrow>\n<mrow>\n");
bld.Append(SequenceConverter.ConvertOutline(expr.Expressions[1], expr.Customization));
bld.Append("</mrow>\n</mfrac>\n");
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
var fileName = expr.Expressions[0][0].Name;
//var sourcePath = Path.GetDirectoryName(expr.Customization.SourcePath)?? "";
//var destPath = Path.GetDirectoryName(expr.Customization.OutputPath)?? "";
//var programPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
//if (String.IsNullOrEmpty(sourcePath))
//{
// sourcePath = programPath;
//}
//if (String.IsNullOrEmpty(destPath))
//{
// destPath = programPath;
//}
//if (String.IsNullOrEmpty(Path.GetExtension(fileName)))
//{
// fileName += ".eps";
//}
//var sourceFullName = Path.IsPathRooted(fileName)? fileName : Path.Combine(sourcePath, fileName);
//var destFullName = Path.Combine(destPath, Path.GetFileName(fileName));
//var ext = Path.GetExtension(fileName);
//if ((ext == ".eps" || ext == ".pdf") && File.Exists(sourceFullName))
//{
// destFullName = Path.ChangeExtension(destFullName, "png");
// if (!File.Exists(destFullName))
// {
// Process.Start(LatexToMathMLConverter.GhostScriptBinaryPath,
// "-dSAFER -dBATCH -dNOPAUSE -sDEVICE=pngalpha -dEPSCrop " +
// "-dGraphicsAlphaBits=4 -dTextAlphaBits=4 -sOutputFile=" +
// destFullName + " " + sourceFullName);
// }
//}
//else
//{
// if (sourceFullName != destFullName)
// {
// File.Copy(Path.Combine(sourcePath, fileName), Path.Combine(destPath, fileName), true);
// }
//}
//if (destFullName.StartsWith(programPath))
//{
// destFullName = destFullName.Substring(programPath.Length);
// if (destFullName.StartsWith("" + Path.DirectorySeparatorChar))
// {
// destFullName = destFullName.Substring(1);
// }
//}
//src="/Portals/0/Logo.png"
//var img = "<img src=\"" + destFullName + "\" alt=\"\\includegraphics {" + fileName + "}\" />";
var img = "<img src=\"/Portals/0/" + fileName + "\" />";
return img;
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
expr.ExprType = ExpressionType.BlockMath;
expr.Expressions.Add(new List<LatexExpression> { new LatexExpression("equation", expr, 1, 0, expr.Customization) });
return expr.Convert();
//expr.ExprType = ExpressionType.BlockMath;
////PJ
//List<LatexExpression> tmp = expr.Expressions[0];
//expr.Expressions.Remove(tmp);
//expr.Expressions.Add(new List<LatexExpression> { new LatexExpression("equation", expr, 1, 0, expr.Customization) });
//expr.Expressions.Add(tmp);
//return expr.Convert();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
expr.Customization.CurrentSectionType = SectionType.Unnumbered;
var bld = new StringBuilder("<h2 class=\"section\">\n<a id=\"nns");
var title = SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization);
int index = expr.Customization.SectionContents[SectionType.Unnumbered].Count;
expr.Customization.SectionContents[SectionType.Unnumbered].Add(
new SectionContentsValue(title));
bld.Append(index);
bld.Append("\">");
bld.Append(title);
bld.Append("</a></h2>\n");
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.Expressions == null) return "";
if (expr.Parent.ExprType == ExpressionType.Block && expr.Parent.Name.IndexOf("script") > -1)
{
return SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization);
}
var bld = new StringBuilder();
string tag;
tag = expr.Name == "^" ? "sup" : "sub";
bld.Append("<" + tag + ">\n");
bld.Append(SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization));
bld.Append("</" + tag + ">");
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.Expressions == null) return "";
var bld = new StringBuilder();
bld.Append("<table class=\"");
bld.Append(expr.Name);
bld.Append("\">\n<tr><td>");
bld.Append(SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization));
bld.Append("</td></tr>");
string caption = null;
expr.EnumerateChildren(child =>
{
if (child.ExprType == ExpressionType.Command && child.Name == "caption" && child.Expressions != null)
{
caption = SequenceConverter.ConvertOutline(child.Expressions[0], expr.Customization);
return true;
}
return false;
});
#region Add the caption
bld.Append("\n<tr><td class=\"caption\">");
if (expr.Name == "figure")
{
bld.Append(expr.Customization.Localization == "ru" ? "Рисунок" : "Figure");
}
if (expr.Name == "table")
{
bld.Append(expr.Customization.Localization == "ru" ? "Таблица" : "Table");
}
if (expr.Name == "algorithm")
{
bld.Append(expr.Customization.Localization == "ru" ? "Алгоритм" : "Algorithm");
}
bld.Append(" ");
bld.Append((int)expr.Tag);
bld.Append(".");
if (caption != null)
{
bld.Append(" ");
bld.Append(caption);
}
#endregion
bld.Append("</td></tr>\n");
bld.Append("</table>\n");
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
var bld = new StringBuilder("<h3 class=\"subsection\">\n<a id=\"");
int sectIndex = expr.Customization.SectionContents[expr.Customization.CurrentSectionType].Count - 1;
var section = expr.Customization.SectionContents[expr.Customization.CurrentSectionType][sectIndex];
var title = SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization);
int index = section.Subsections[SectionType.Unnumbered].Count;
section.Subsections[SectionType.Unnumbered].Add(title);
bld.Append(expr.Customization.CurrentSectionType == SectionType.Numbered ? "ns" : "nns");
bld.Append(sectIndex);
bld.Append("nnss");
bld.Append(index);
bld.Append("\">");
bld.Append(title);
bld.Append("</a></h3>\n");
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure (comments the expression).
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
var bld = new StringBuilder();
int parentChildNumber = expr.Expressions.Count == 1 ? 0 : 1;
var rows = expr.Expressions[parentChildNumber];
var alignments = parentChildNumber > 0 ? expr.Expressions[0][0].Name : "";
alignments = alignments.Replace("|", "");
bld.Append("<table class=\"tabular\">\n");
for (int i = 0; i < rows.Count; i++)
{
bld.Append("<tr>\n");
for (int j = 0; j < rows[i].Expressions[0].Count; j++)
{
#region Determine the alignment
var alignment = "center";
if (j < alignments.Length)
{
switch (alignments[j])
{
case 'c':
alignment = "center";
break;
case 'l':
alignment = "left";
break;
case 'r':
alignment = "right";
break;
}
}
#endregion
bld.Append("<td class=\"tabular_td\" columnalign=\"");
bld.Append(alignment);
bld.Append("\">\n");
bld.Append(SequenceConverter.ConvertOutline(rows[i].Expressions[0][j].Expressions[0], expr.Customization));
bld.Append("</td>\n");
}
bld.Append("</tr>\n");
}
bld.Append("</table>\n");
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure (comments the expression).
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
var bld = new StringBuilder();
MathConverter.AppendMathProlog(bld, "eqnarray", false, expr.Customization);
var rows = expr.Expressions[0];
bld.Append("<mtable>\n");
for (int i = 0; i < rows.Count; i++)
{
bld.Append("<mtr>\n");
for (int j = 0; j < rows[i].Expressions[0].Count; j++)
{
bld.Append("<mtd columnalign=\"left\">\n<mrow>\n");
bld.Append(SequenceConverter.ConvertOutline(rows[i].Expressions[0][j].Expressions[0], expr.Customization));
bld.Append("</mrow>\n</mtd>\n");
}
bld.Append("</mtr>\n");
}
bld.Append("</mtable>\n");
MathConverter.AppendMathEpilog(bld);
return bld.ToString();
}
/// <summary>
/// Tries to display the expression as the plain text chunk.
/// </summary>
/// <param name="expr">The expression to display.</param>
/// <returns>The string representing the plain text chunk.</returns>
private static string AsPlainText(LatexExpression expr)
{
if (expr.Expressions != null)
{
string raw = SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization);
raw += '<';
var match = System.Text.RegularExpressions.Regex.Match(raw, @"(?<=(<[^<>]*>\s*)*)[^<>]+(?=\s*<)");
return match.Value;
}
return expr.Customization.Localization == "ru" ? "Без названия" : "Untitled";
}
/// <summary>
/// Writes the <head> tag.
/// </summary>
/// <param name="expr">The expression which is being converted.</param>
/// <param name="bld">The output StringBuilder instance.</param>
private void WriteHead(LatexExpression expr, StringBuilder bld)
{
bld.Append("<head>\n");
var path = Path.GetDirectoryName(expr.Customization.OutputPath);
if (!String.IsNullOrEmpty(path))
{
bld.Append("<base href=\"file:///" + expr.Customization.OutputPath.Replace('\\', '/') + "\" />\n");
}
bld.Append("<title>" + (_documentInfo.ContainsKey("title") ?
AsPlainText(_documentInfo["title"]) : expr.Customization.Localization == "ru"? "Без названия" : "Untitled") + "</title>\n");
bld.Append("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" /> \n");
bld.Append("<meta name=\"description\" content=\"Latex document converted to XHTML 1.1 + MathML 2.0\" />\n");
LatexExpression authorExpr;
if (_documentInfo.TryGetValue("author", out authorExpr))
{
bld.Append("<meta name=\"author\" content=\"" + AsPlainText(authorExpr) + "\" />\n");
}
bld.Append("<meta name=\"generator\" content=\"Latex2MathML, © Markovtsev Vadim, 2010\" />\n");
bld.Append("<meta name=\"date\" content=\"" + DateTime.Now + "\" />\n");
bld.Append("<meta name=\"src\" content=\"" + Path.GetFileName(expr.Customization.SourcePath) + "\" />\n");
bld.Append("<link rel=\"stylesheet\" type=\"text/css\" href=\"styles.css\" />\n");
bld.Append("<link rel=\"icon\" type=\"image/png\" href=\"favicon.png\" />");
bld.Append("</head>\n");
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
GetStyle();
var bld = new StringBuilder();
var backupTextStyle = expr.Customization.CurrentTextStyle;
expr.Customization.CurrentTextStyle |= _style;
bld.Append(SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization));
expr.Customization.CurrentTextStyle = backupTextStyle;
return bld.ToString();
}
/// <summary>
/// Performs the conversion procedure.
/// </summary>
/// <param name="expr">The expression to convert.</param>
/// <returns>The conversion result.</returns>
public override string Convert(LatexExpression expr)
{
if (expr.MathMode == false)
{
return base.Convert(expr);
}
if (expr.Expressions == null) return "";
var bld = new StringBuilder();
bld.Append("<munder accent=\"true\">\n");
bld.Append(SequenceConverter.ConvertOutline(expr.Expressions[0], expr.Customization));
bld.Append("<mo stretchy=\"true\">¯<!-- ‾ --></mo>\n</munder>\n");
return bld.ToString();
}
/// <summary>
/// Builds a new LatexExpression instance (main).
/// </summary>
/// <param name="parent">The parent of the builded expression.</param>
/// <param name="parentChildNumber">Index of the parent child outline.</param>
/// <param name="indexInParentChild">Index in the parent child outline.</param>
/// <param name="verbatimMode">True if verbatim mode is on; otherwise, false.</param>
/// <param name="beginning">The beginning string.</param>
/// <param name="rdr">The reader to read ahead.</param>
/// <param name="mathMode">The math mode switch.</param>
/// <param name="end">The stub of the unparsed part.</param>
/// <param name="whitespaceBefore">Indicates whether there was at least one whitespace char before the returned result.</param>
/// <param name="customization">The LatexToMathMLConverter class instance to customize the conversion result.</param>
/// <returns>The parsed LatexExpression instance.</returns>
private static LatexExpression ReadFromTextReaderInner(LatexExpression parent, int parentChildNumber,
ref int indexInParentChild, ref bool verbatimMode, bool mathMode, LatexToMathMLConverter customization,
string beginning, TextReader rdr, out string end, ref bool whitespaceBefore)
{
string name;
#region Verbatim
if (verbatimMode)
{
name = ReadToVerbatimEnd(beginning, rdr, out end);
return new LatexExpression(parent, parentChildNumber, ref indexInParentChild,
ref verbatimMode, ExpressionType.Verbatim, false, customization, name, null, null);
}
#endregion
bool whitespaceBeforeGuard;
string str = ReadToNotEmptyString(beginning, rdr, out whitespaceBeforeGuard);
whitespaceBefore |= whitespaceBeforeGuard;
if (str == null)
{
end = null;
return null;
}
string value;
switch (str[0])
{
case '\\':
#region Command
string options;
string[] values;
name = Regex.Match(str.Substring(1), @"^[a-zA-Z]+\*?").Value;
if (String.IsNullOrEmpty(name))
{
name = "" + str[1];
options = null;
if (name != "[")
{
values = null;
end = str.Substring(2);
}
else // Math
{
value = ParseBraces(ref str, rdr, "\\[", "\\]", out whitespaceBefore);
end = str;
return new LatexExpression(parent, parentChildNumber, ref indexInParentChild,
ref verbatimMode, ExpressionType.BlockMath, mathMode, customization,
name, null, value);
}
}
else
{
ParseCommandOptionsAndValues(
str.Substring(name.Length + 1), rdr, out end,
out options, out values, out whitespaceBefore);
}
return new LatexExpression(parent, parentChildNumber, ref indexInParentChild, ref verbatimMode,
ExpressionType.Command, mathMode, customization, name, options, values);
#endregion
case '$':
#region Math
ExpressionType type;
if (str[1] == '$')
{
name = "$$";
value = ParseBraces(ref str, rdr, "$$", "$$", out whitespaceBefore);
type = ExpressionType.BlockMath;
}
else
{
name = "$";
value = ParseBraces(ref str, rdr, "$", "$", out whitespaceBefore);
type = ExpressionType.InlineMath;
}
end = str;
return new LatexExpression(parent, parentChildNumber, ref indexInParentChild,
ref verbatimMode, type, false, customization, name, null, value);
#endregion
case '%':
#region Comment
end = null;
return new LatexExpression(parent, parentChildNumber, ref indexInParentChild, ref verbatimMode,
ExpressionType.Comment, false, customization, str.Substring(1), null, null);
#endregion
case '{':
#region Block
value = ParseBraces(ref str, rdr, "{", "}", out whitespaceBefore);
end = str;
return new LatexExpression(parent, parentChildNumber, ref indexInParentChild,
ref verbatimMode, ExpressionType.Block, mathMode, customization, "{}", null, value);
#endregion
case '&':
#region Table cell
end = str.Substring(1);
return new LatexExpression(parent, parentChildNumber, ref indexInParentChild, ref verbatimMode,
ExpressionType.PlainText, mathMode, customization, "&", null, null);
#endregion
case '^':
case '_':
#region Block for sub and sup
if (mathMode)
{
name = "" + str[0];
str = ReadToNotEmptyString(str.Substring(1), rdr, out whitespaceBefore);
switch (str[0])
{
case '{':
value = ParseBraces(ref str, rdr, "{", "}", out whitespaceBefore);
end = str;
break;
case '\\':
var cmdName = Regex.Match(str.Substring(1), @"^[a-zA-Z]+\*?").Value;
ParseCommandOptionsAndValues(
str.Substring(cmdName.Length + 1), rdr, out end,
out options, out values, out whitespaceBefore);
value = "\\" + cmdName + options;
if (values != null)
{
for (int i = 0; i < values.Length; i++)
{
value += "{" + values[i] + "}";
}
}
break;
default:
value = "" + str[0];
if (char.IsDigit(str[0]))
{
value = Regex.Match(str, @"\d+").Value;
}
if (char.IsLetter(str[0]))
{
value = Regex.Match(str, @"[a-zA-Z]+").Value;
}
end = str.Substring(value.Length);
break;
}
return new LatexExpression(parent, parentChildNumber, ref indexInParentChild,
ref verbatimMode, ExpressionType.Block, true, customization, name, null, value);
}
goto default;
#endregion
default:
#region Plain text block
name = "";
var stopChars = mathMode ? new[] { '\\', '$', '{', '%', '&', '^', '_' } :
new[] { '\\', '$', '{', '%', '&' };
int stopPos;
while ((stopPos = GetStopPos(str, stopChars)) == -1)
{
if (rdr != null)
{
name += str + " ";
str = rdr.ReadLine();
if (str == null) // End of the document
{
name = name.Substring(0, name.Length - 1);
break;
}
if (str.Trim() == "")
{
str = "\\paragraph";
stopPos = 0;
break;
}
}
else
{
stopPos = str.Length;
break;
}
}
if (str == null) // End of the document?
{
end = null;
}
else
{
name += str.Substring(0, stopPos);
if (stopPos < str.Length && (str[stopPos] == '^' || str[stopPos] == '_'))
{
var match = Regex.Match(name, @"[a-zA-Z]+\s*\Z");
var chunk = match.Value;
if (chunk.Trim() == "")
{
match = Regex.Match(name, @"\d+\s*\Z");
chunk = match.Value;
if (chunk.Trim() == "")
{
match = Regex.Match(name, @"\S\s*\Z");
chunk = match.Value.Trim();
}
}
if (name != chunk)
{
end = name.Substring(match.Index) + str.Substring(stopPos);
name = name.Substring(0, match.Index);
}
else
{
end = str.Substring(stopPos);
}
}
else
{
end = str.Substring(stopPos);
}
}
return new LatexExpression(parent, parentChildNumber, ref indexInParentChild, ref verbatimMode,
ExpressionType.PlainText, mathMode, customization, (whitespaceBefore? " " : "") + SmartTextTrim(name), null, null);
#endregion
}
}
/// <summary>
/// Builds a new LatexExpression instance (front).
/// </summary>
/// <param name="parent">The parent of the builded expression.</param>
/// <param name="parentChildNumber">Index of the parent child outline.</param>
/// <param name="indexInParentChild">Index in the parent child outline.</param>
/// <param name="verbatimMode">True if verbatim mode is on; otherwise, false.</param>
/// <param name="beginning">The beginning string.</param>
/// <param name="rdr">The reader to read ahead.</param>
/// <param name="end">The stub of the unparsed part.</param>
/// <param name="mathMode">The math mode switch.</param>
/// <param name="whitespaceBefore">Indicates whether there was at least one whitespace char before the returned result.</param>
/// <param name="customization">The LatexToMathMLConverter class instance to customize the conversion result.</param>
/// <returns></returns>
private static LatexExpression ReadFromTextReader(LatexExpression parent, int parentChildNumber,
ref int indexInParentChild, ref bool verbatimMode, bool mathMode, LatexToMathMLConverter customization,
string beginning, TextReader rdr, out string end, ref bool whitespaceBefore)
{
if (beginning == null && rdr == null)
{
end = null;
return null;
}
return ReadFromTextReaderInner(parent, parentChildNumber, ref indexInParentChild, ref verbatimMode,
mathMode, customization, beginning ?? rdr.ReadLine(), rdr, out end, ref whitespaceBefore);
}
