public static void CompileTemplate(TemplateInfo ti)
{
ti.Programs = new Dictionary<string, TALProgram>();
ti.ImportedPrograms = new Dictionary<string, TALProgram>();
ti.ImportedNamespaces = new Dictionary<string, HashSet<string>>();
TALCompiler compiler = new TALCompiler();
// Compile main template
TALProgram mainProg = compiler.Compile(ti.TemplateBody, "<main template>");
ti.Programs.Add("template", mainProg);
// Compile imports of main template
CompileImports(compiler, mainProg, ti);
// Compile inline templates
if (ti.InlineTemplates != null)
{
foreach (string key in ti.InlineTemplates.Keys)
{
TALProgram inlineProg = compiler.Compile(ti.InlineTemplates[key], string.Format("<inline template: {0}>", key));
ti.Programs.Add(key, inlineProg);
// Compile Imports of inline template
CompileImports(compiler, inlineProg, ti);
}
}
// Compute template hash
ti.TemplateHash = ComputeTemplateHash(ti);
}
static void CompileImports(TALCompiler compiler, TALProgram program, TemplateInfo ti)
{
if (program.Imports != null && program.Imports.Count > 0)
{
foreach (string key in program.Imports)
{
// Split the Import key
string destNs = key.Split(new char[] { ':' }, 2)[0];
string sourcePath = key.Split(new char[] { ':' }, 2)[1];
// Imported macros without namespace go into main template namespace.
if (string.IsNullOrEmpty(destNs))
{
destNs = "template";
}
// Check if the template on path was not compiled
TALProgram importedProg = null;
if (!ti.ImportedPrograms.ContainsKey(sourcePath))
{
// Compile Imported template
string source = File.ReadAllText(sourcePath);
importedProg = compiler.Compile(source, sourcePath);
ti.ImportedPrograms.Add(sourcePath, importedProg);
// Compile Imports of Imported template
CompileImports(compiler, importedProg, ti);
}
else
{
importedProg = ti.ImportedPrograms[sourcePath];
}
// Save info about Imported program by namespace and path
if (!ti.ImportedNamespaces.ContainsKey(destNs))
{
ti.ImportedNamespaces.Add(destNs, new HashSet<string>() { sourcePath });
}
else
{
if (!ti.ImportedNamespaces[destNs].Contains(sourcePath))
{
ti.ImportedNamespaces[destNs].Add(sourcePath);
}
}
}
}
}