public static void ParseElements(TransformationData data, EMDocument doc, EMElement parent, List <TextFragment> fragments, IParser parser, Action <EMElement> elementEmitter)
{
var newFragments = new List <TextFragment>();
foreach (var fragment in fragments)
{
var origins = new List <ITextFragment>();
try
{
foreach (var match in parser.TextMatches(fragment.Text))
{
var elementOrigin = new EMElementOrigin(fragment.Start + match.Index, match.Text);
try
{
elementEmitter(parser.Create(match, doc, elementOrigin, parent, data));
origins.Add(elementOrigin);
}
catch (EMSkipParsingException)
{
}
}
newFragments.AddRange(SplitFragment(fragment, origins));
}
catch (EMParsingErrorException e)
{
data.ErrorList.Add(new ErrorDetail(e.Message, MessageClass.Error, "", "", e.Line, e.Column, e.Path != data.Document.LocalPath ? e.Path : null));
}
}
fragments.Clear();
fragments.AddRange(newFragments);
}
private static EMElement CreateDecoration(IMatch match, EMDocument doc, EMElementOrigin origin, EMElement parent, TransformationData data)
{
var decorationMatch = match as EMDecorationMatch;
var element = new EMDecorationElement(doc, origin, parent, decorationMatch.Type);
element.Content.Parse(decorationMatch.ContentStart, decorationMatch.Content, data);
return element;
}
private static EMElement CreateDecoration(IMatch match, EMDocument doc, EMElementOrigin origin, EMElement parent, TransformationData data)
{
var decorationMatch = match as EMDecorationMatch;
var element = new EMDecorationElement(doc, origin, parent, decorationMatch.Type);
element.Content.Parse(decorationMatch.ContentStart, decorationMatch.Content, data);
return(element);
}
public override EMElement Create(IMatch match, EMDocument doc, EMElementOrigin origin, EMElement parent, TransformationData data)
{
if (match is EMBracketedImagesAndLinksMatch)
{
return CreateBracketed(match, doc, origin, parent, data);
}
if (match is EMDecorationMatch)
{
return CreateDecoration(match, doc, origin, parent, data);
}
throw new InvalidOperationException("Should not happend!");
}
public override EMElement Create(IMatch match, EMDocument doc, EMElementOrigin origin, EMElement parent, TransformationData data)
{
if (match is EMBracketedImagesAndLinksMatch)
{
return(CreateBracketed(match, doc, origin, parent, data));
}
if (match is EMDecorationMatch)
{
return(CreateDecoration(match, doc, origin, parent, data));
}
throw new InvalidOperationException("Should not happend!");
}
public override EMElement Create(IMatch match, EMDocument doc, EMElementOrigin origin, EMElement parent, TransformationData data)
{
if (match is EMRawHTMLMatch)
{
var htmlMatch = match as EMRawHTMLMatch;
if (htmlMatch.Name.ToLower() == "code")
{
return(new EMCodeBlock(doc, origin, parent, htmlMatch.Content, true));
}
var element = new EMRawHTML(doc, origin, parent, htmlMatch.Name, htmlMatch.AttributesString);
element.Elements.Parse(Markdown.Outdent(htmlMatch.Content, element.Elements.TextMap), data);
return(element);
}
if (match is EMMarkdownTaggedElementMatch)
{
var markdownMatch = match as EMMarkdownTaggedElementMatch;
switch (markdownMatch.Name.ToLower())
{
case "region":
return(EMRegion.CreateRegion(origin, doc, parent, data, markdownMatch, markdownMatch.Parameters));
case "include":
return(EMInclude.CreateFromText(markdownMatch.Text, doc, origin, parent, data));
case "include_files":
return(EMInclude.CreateIncludeFilesFromText(markdownMatch.Text, doc, origin, parent, data));
case "relative":
return(EMRelativeLink.CreateFromText(markdownMatch.Parameters, doc, origin, parent, data));
case "relative_img":
return(EMRelativeLink.CreateFromText(markdownMatch.Parameters, doc, origin, parent, data, true));
case "object":
return(EMObject.CreateFromText(markdownMatch.Parameters, markdownMatch, doc, origin, parent, data));
default:
return(EMErrorElement.Create(doc, origin, parent, data, "UnsupportedTaggedMarkdownElement"));
}
}
return(EMErrorElement.Create(doc, origin, parent, data, "UnknownMatchTypeForTaggedElementsParser"));
}
private static EMElement CreateBracketed(
IMatch match, EMDocument doc, EMElementOrigin origin, EMElement parent, TransformationData data)
{
var taggedMatch = match as EMBracketedImagesAndLinksMatch;
// Check if image.
if (taggedMatch.Text.StartsWith("!") && !string.IsNullOrWhiteSpace(taggedMatch.Parameters))
{
EMElement outElement = null;
var fragments = new List <TextFragment>()
{
new TextFragment(origin.Start, match.Text)
};
EMParsingHelper.ParseElements(
data, doc, parent, fragments, EMImage.GetParser(), element => { outElement = element; });
if (outElement == null)
{
string imageError = "Could not find image in given text: " + origin.Text;
throw new InvalidOperationException(imageError);
}
return(outElement);
}
// Check if shortcut ref
if (string.IsNullOrWhiteSpace(taggedMatch.Parameters))
{
return(EMLink.CreateFromAnchorRefShortcut(
EMLink.AnchorRefShortcut.Match(taggedMatch.Text), doc, origin, parent, data));
}
// If not an image and not a shortcut link, then must have been other link.
// Parse span content for internal elements.
var span = new EMSpanElements(doc, origin, parent);
span.Parse(taggedMatch.ContentStart, taggedMatch.Content, data);
// Check if ref link
return(taggedMatch.Parameters.StartsWith("[")
? EMLink.CreateFromAnchorRef(doc, origin, parent, data, span, taggedMatch.Parameters)
: EMLink.CreateFromInline(doc, origin, parent, data, span, taggedMatch.Parameters));
}
public override EMElement Create(IMatch match, EMDocument doc, EMElementOrigin origin, EMElement parent, TransformationData data)
{
if (match is EMRawHTMLMatch)
{
var htmlMatch = match as EMRawHTMLMatch;
if (htmlMatch.Name.ToLower() == "code")
{
return new EMCodeBlock(doc, origin, parent, htmlMatch.Content, true);
}
var element = new EMRawHTML(doc, origin, parent, htmlMatch.Name, htmlMatch.AttributesString);
element.Elements.Parse(Markdown.Outdent(htmlMatch.Content, element.Elements.TextMap), data);
return element;
}
if (match is EMMarkdownTaggedElementMatch)
{
var markdownMatch = match as EMMarkdownTaggedElementMatch;
switch (markdownMatch.Name.ToLower())
{
case "region":
return EMRegion.CreateRegion(origin, doc, parent, data, markdownMatch, markdownMatch.Parameters);
case "include":
return EMInclude.CreateFromText(markdownMatch.Text, doc, origin, parent, data);
case "include_files":
return EMInclude.CreateIncludeFilesFromText(markdownMatch.Text, doc, origin, parent, data);
case "relative":
return EMRelativeLink.CreateFromText(markdownMatch.Parameters, doc, origin, parent, data);
case "relative_img":
return EMRelativeLink.CreateFromText(markdownMatch.Parameters, doc, origin, parent, data, true);
case "object":
return EMObject.CreateFromText(markdownMatch.Parameters, markdownMatch, doc, origin, parent, data);
default:
return EMErrorElement.Create(doc, origin, parent, data, "UnsupportedTaggedMarkdownElement");
}
}
return EMErrorElement.Create(doc, origin, parent, data, "UnknownMatchTypeForTaggedElementsParser");
}
private static EMElement CreateBracketed(
IMatch match, EMDocument doc, EMElementOrigin origin, EMElement parent, TransformationData data)
{
var taggedMatch = match as EMBracketedImagesAndLinksMatch;
// Check if image.
if (taggedMatch.Text.StartsWith("!") && !string.IsNullOrWhiteSpace(taggedMatch.Parameters))
{
EMElement outElement = null;
var fragments = new List<TextFragment>() { new TextFragment(origin.Start, match.Text) };
EMParsingHelper.ParseElements(
data, doc, parent, fragments, EMImage.GetParser(), element => { outElement = element; });
if (outElement == null)
{
string imageError = "Could not find image in given text: " + origin.Text;
throw new InvalidOperationException(imageError);
}
return outElement;
}
// Check if shortcut ref
if (string.IsNullOrWhiteSpace(taggedMatch.Parameters))
{
return EMLink.CreateFromAnchorRefShortcut(
EMLink.AnchorRefShortcut.Match(taggedMatch.Text), doc, origin, parent, data);
}
// If not an image and not a shortcut link, then must have been other link.
// Parse span content for internal elements.
var span = new EMSpanElements(doc, origin, parent);
span.Parse(taggedMatch.ContentStart, taggedMatch.Content, data);
// Check if ref link
return taggedMatch.Parameters.StartsWith("[")
? EMLink.CreateFromAnchorRef(doc, origin, parent, data, span, taggedMatch.Parameters)
: EMLink.CreateFromInline(doc, origin, parent, data, span, taggedMatch.Parameters);
}
public abstract EMElement Create(IMatch match, EMDocument doc, EMElementOrigin origin, EMElement parent, TransformationData data);
public abstract EMElement Create(IMatch match, EMDocument doc, EMElementOrigin origin, EMElement parent, TransformationData data);
public EMElement Create(IMatch match, EMDocument doc, EMElementOrigin origin, EMElement parent, TransformationData data)
{
return(elementCreator((TMatch)match, doc, origin, parent, data));
}
public static void ParseElements(TransformationData data, EMDocument doc, EMElement parent, List<TextFragment> fragments, IParser parser, Action<EMElement> elementEmitter)
{
var newFragments = new List<TextFragment>();
foreach (var fragment in fragments)
{
var origins = new List<ITextFragment>();
try
{
foreach (var match in parser.TextMatches(fragment.Text))
{
var elementOrigin = new EMElementOrigin(fragment.Start + match.Index, match.Text);
try
{
elementEmitter(parser.Create(match, doc, elementOrigin, parent, data));
origins.Add(elementOrigin);
}
catch (EMSkipParsingException)
{
}
}
newFragments.AddRange(SplitFragment(fragment, origins));
}
catch (EMParsingErrorException e)
{
data.ErrorList.Add(new ErrorDetail(e.Message, MessageClass.Error, "", "", e.Line, e.Column, e.Path != data.Document.LocalPath ? e.Path : null));
}
}
fragments.Clear();
fragments.AddRange(newFragments);
}
