public static DocumentToken Transform(DocumentToken document, List<DocumentToken> documents)
{
var transform = DocumentTransform.TransformSections(document, documents);
transform = DocumentTransform.TransformRender(transform, documents);
return transform;
}
public static DocumentToken Transform(DocumentToken document, List <DocumentToken> documents)
{
var transform = DocumentTransform.TransformSections(document, documents);
transform = DocumentTransform.TransformRender(transform, documents);
return(transform);
}
private static DocumentToken TransformRender(DocumentToken document, List <DocumentToken> documents)
{
var transform = new DocumentToken(document.Name, document.Content);
foreach (var token in document.Tokens)
{
TransformRender(transform, token, documents);
}
return(transform);
}
private static void TransformRender(DocumentToken transform, Token token, List <DocumentToken> documents)
{
if (token is RenderToken)
{
var render = token as RenderToken;
renderdepth += 1;
if (renderdepth > 32)
{
renderdepth -= 1;
string message = string.Format("error: exceeded maximum render depth for ", render.Name);
transform.Tokens.Add(new ContentToken(message, 0, message.Length));
return;
}
var subdocument = GetDocument(render.Name, documents);
if (subdocument != null)
{
subdocument = Transform(subdocument, documents);
foreach (var _token in subdocument.Tokens)
{
TransformRender(transform, _token, documents);
}
}
renderdepth -= 1;
return;
}
if (token is ContentToken)
{
transform.Tokens.Add(token);
}
foreach (var _token in token.Tokens)
{
TransformRender(transform, _token, documents);
}
}
private static DocumentToken TransformSections(DocumentToken document, List <DocumentToken> documents)
{
var transform = new DocumentToken(document.Name, document.Content);
var chain = CreateDocumentChain(document, documents);
var root = chain[0];
var decendants = new List <DocumentToken>();
for (int i = 1; i < chain.Count; i++)
{
decendants.Add(chain[i]);
}
foreach (var token in root.Tokens)
{
if (token is SectionToken)
{
var section = token as SectionToken;
foreach (var decendant in decendants)
{
var subsection = decendant.GetSection(section.Name);
if (subsection != null)
{
section = subsection;
}
else
{
break;
}
}
transform.Tokens.Add(section);
}
else
{
transform.Tokens.Add(token);
}
}
return(transform);
}
private DocumentToken LoadDocument(string name, string filename)
{
if (System.IO.File.Exists(filename))
{
try
{
var document = new DocumentToken(name, System.IO.File.ReadAllText(filename));
return(Lexer.Scan(document));
}
catch
{
}
}
var error = new DocumentToken(name, string.Format("error: unable to load template for {0}", filename));
error.Tokens.Add(new ContentToken(error.Content, 0, error.Content.Length));
return(error);
}
private static List <DocumentToken> CreateDocumentChain(DocumentToken document, List <DocumentToken> documents)
{
var chain = new List <DocumentToken>();
chain.Add(document);
while (document != null)
{
var import = document.GetImport();
if (import == null)
{
document = null;
break;
}
if (GetDocument(import.Name, chain) != null)
{
var message = string.Format("error: cyclic imports detected for ", import.Name);
var error = new DocumentToken(document.Name, message);
error.Tokens.Add(new ContentToken(error.Content, 0, error.Content.Length));
return(new List <DocumentToken>(new DocumentToken[] { error }));
}
document = GetDocument(import.Name, documents);
if (document != null)
{
chain.Add(document);
}
}
chain.Reverse();
return(chain);
}
private static List<DocumentToken> CreateDocumentChain(DocumentToken document, List<DocumentToken> documents)
{
var chain = new List<DocumentToken>();
chain.Add(document);
while (document != null)
{
var import = document.GetImport();
if (import == null)
{
document = null;
break;
}
if (GetDocument(import.Name, chain) != null)
{
var message = string.Format("error: cyclic imports detected for ", import.Name);
var error = new DocumentToken(document.Name, message);
error.Tokens.Add(new ContentToken(error.Content, 0, error.Content.Length));
return new List<DocumentToken>(new DocumentToken[] {error});
}
document = GetDocument(import.Name, documents);
if (document != null)
{
chain.Add(document);
}
}
chain.Reverse();
return chain;
}
public Template(string filename)
{
var documents = DocumentLoader.Load(filename);
this.document = DocumentTransform.Transform(documents[0], documents);
}
public Template(string filename)
{
var documents = DocumentLoader.Load(filename);
this.document = DocumentTransform.Transform(documents[0], documents);
}
private static DocumentToken TransformSections(DocumentToken document, List<DocumentToken> documents)
{
var transform = new DocumentToken(document.Name, document.Content);
var chain = CreateDocumentChain(document, documents);
var root = chain[0];
var decendants = new List<DocumentToken>();
for (int i = 1; i < chain.Count; i++) {
decendants.Add(chain[i]);
}
foreach (var token in root.Tokens)
{
if (token is SectionToken)
{
var section = token as SectionToken;
foreach (var decendant in decendants)
{
var subsection = decendant.GetSection(section.Name);
if (subsection != null)
{
section = subsection;
}
else
{
break;
}
}
transform.Tokens.Add(section);
}
else
{
transform.Tokens.Add(token);
}
}
return transform;
}
private static DocumentToken TransformRender(DocumentToken document, List<DocumentToken> documents)
{
var transform = new DocumentToken(document.Name, document.Content);
foreach (var token in document.Tokens)
{
TransformRender(transform, token, documents);
}
return transform;
}
private static void TransformRender(DocumentToken transform, Token token, List<DocumentToken> documents)
{
if (token is RenderToken)
{
var render = token as RenderToken;
renderdepth += 1;
if(renderdepth > 32)
{
renderdepth -= 1;
string message = string.Format("error: exceeded maximum render depth for ", render.Name);
transform.Tokens.Add(new ContentToken(message, 0, message.Length));
return;
}
var subdocument = GetDocument(render.Name, documents);
if (subdocument != null)
{
subdocument = Transform(subdocument, documents);
foreach (var _token in subdocument.Tokens)
{
TransformRender(transform, _token, documents);
}
}
renderdepth -= 1;
return;
}
if (token is ContentToken)
{
transform.Tokens.Add(token);
}
foreach (var _token in token.Tokens)
{
TransformRender(transform, _token, documents);
}
}
private DocumentToken LoadDocument(string name, string filename)
{
if(System.IO.File.Exists(filename))
{
try
{
var document = new DocumentToken(name, System.IO.File.ReadAllText(filename));
return Lexer.Scan(document);
}
catch
{
}
}
var error = new DocumentToken(name, string.Format("error: unable to load template for {0}", filename));
error.Tokens.Add(new ContentToken(error.Content, 0, error.Content.Length));
return error;
}
