private static Scope CreateEndRowScope(Scope scope, string content)
{
int index = content.IndexOf('\n', scope.Index + scope.Length);
return index > 0
? new Scope(ScopeName.TableRowEnd, index, 1)
: new Scope(ScopeName.TableRowEnd, content.Length);
}
private static bool EnsureBlockStarted(int index, IList<Scope> augmentedScopes, Scope current)
{
if (index != 0)
return false;
// this is the first item, ensure the block has started
augmentedScopes.Add(CreateStartScope(current));
augmentedScopes.Add(current);
return true;
}
private static bool EnsureEndingRow(IList<Scope> augmentedScopes, Scope current, Scope peek, string content)
{
if ((current.Name == ScopeName.TableCell || current.Name == ScopeName.TableCellHeader)
&& peek.Name == ScopeName.TableRowBegin
&& (current.Index + current.Length + 2) == peek.Index)
{
// missing end table row, adding one
augmentedScopes.Add(current);
augmentedScopes.Add(current.Name == ScopeName.TableCell
? CreateEndRowScope(current, content)
: CreateEndRowHeaderScope(current, content));
augmentedScopes.Add(peek);
return true;
}
return false;
}
private static Scope CreateStartScope(Scope scope)
{
return new Scope(ScopeName.TableBegin, scope.Index, scope.Length);
}
private static Scope CreateEndScope(Scope scope)
{
return new Scope(ScopeName.TableEnd, scope.Index + scope.Length);
}
private static bool EnsureStartingNewBlockWithEndingRow(IList<Scope> augmentedScopes, Scope current, Scope peek, string content)
{
if ((current.Name == ScopeName.TableCell || current.Name == ScopeName.TableCellHeader)
&& (peek.Name == ScopeName.TableRowBegin || peek.Name == ScopeName.TableRowHeaderBegin)
&& (current.Index + current.Length + 2) < peek.Index)
{
Scope endRow = current.Name == ScopeName.TableCell
? CreateEndRowScope(current, content)
: CreateEndRowHeaderScope(current, content);
// missing end table row, and ending a block and starting a new block
augmentedScopes.Add(current);
augmentedScopes.Add(endRow);
augmentedScopes.Add(CreateEndScope(endRow));
augmentedScopes.Add(CreateStartScope(peek));
augmentedScopes.Add(peek);
return true;
}
return false;
}
private static bool EnsureStartingNewBlock(IList<Scope> augmentedScopes, Scope current, Scope peek)
{
if ((current.Name == ScopeName.TableRowEnd || current.Name == ScopeName.TableRowHeaderEnd)
&& (current.Index + current.Length + 1) < peek.Index)
{
// ending a block and starting a new block
augmentedScopes.Add(current);
augmentedScopes.Add(CreateEndScope(current));
augmentedScopes.Add(CreateStartScope(peek));
augmentedScopes.Add(peek);
return true;
}
return false;
}
private void RenderScope(StringBuilder writer, Scope scope, string content)
{
IRenderer renderer = renderers.FirstOrDefault(r => r.CanExpand(scope.Name));
string renderedContent;
try
{
renderedContent = renderer == null
? string.Format("<span class=\"unresolved\">Cannot resolve macro, as no renderers were found.</span>[{0}]", EncodeContent(content))
: renderer.Expand(scope.Name, content, EncodeContent, EncodeAttributeContent);
}
catch
{
renderedContent = string.Format("<span class=\"unresolved\">Cannot resolve macro, as an unhandled exception occurred.</span>[{0}]", EncodeContent(content));
}
writer.Append(renderedContent);
OnScopeRendered(new RenderedScopeEventArgs(scope, content, renderedContent));
}
/// <summary>
/// Initializes a new instance of the <see cref="RenderedScopeEventArgs"/> class.
/// </summary>
/// <param name="scope">The scope name.</param>
/// <param name="content">The content.</param>
/// <param name="renderedContent">The rendered content.</param>
public RenderedScopeEventArgs(Scope scope, string content, string renderedContent)
{
Scope = scope;
Content = content;
RenderedContent = renderedContent;
}