/// <summary>
/// Executes the selected code generation.
/// </summary>
protected override async Task OnRunAsync(ExecutorRunArgs args)
{
try
{
XElement?xmlScript;
if (_args.ScriptFile !.Exists)
{
using var fs = File.OpenText(_args.ScriptFile.FullName);
xmlScript = await XElement.LoadAsync(fs, LoadOptions.None, CancellationToken.None).ConfigureAwait(false);
}
else
{
xmlScript = await ResourceManager.GetScriptContentXmlAsync(_args.ScriptFile.Name, _args.Assemblies.ToArray()).ConfigureAwait(false);
}
if (xmlScript?.Name != "Script")
{
throw new CodeGenException("The Script XML file must have a root element named 'Script'.");
}
if (!xmlScript.Elements("Generate").Any())
{
throw new CodeGenException("The Script XML file must have at least a single 'Generate' element.");
}
// Create the code generator instance.
string?outputDir = null;
using var cfs = File.OpenText(_args.ConfigFile !.FullName);
var gen = CodeGenerator.Create(await XElement.LoadAsync(cfs, LoadOptions.None, CancellationToken.None).ConfigureAwait(false), GetLoaders(xmlScript));
gen.CodeGenerated += (sender, e) => { CodeGenerated(outputDir !, e); };
// Execute each of the script instructions.
foreach (var scriptEle in xmlScript.Elements("Generate"))
{
// As this can be long running, check and see if a stop has been initiated.
if (State != ExecutionState.Running)
{
return;
}
string?template = null;
string?outDir = null;
string?helpText = null;
var otherParameters = new Dictionary <string, string>();
foreach (var att in scriptEle.Attributes())
{
switch (att.Name.LocalName)
{
case "Template": template = att.Value; break;
case "OutDir": outDir = att.Value; break;
case "HelpText": helpText = att.Value; break;
default: otherParameters.Add(att.Name.LocalName, att.Value); break;
}
}
// Manage the parameters.
gen.ClearParameters();
gen.CopyParameters(_args.Parameters);
gen.CopyParameters(otherParameters);
// Log progress.
CreatedCount = 0;
UpdatedCount = 0;
NotChangedCount = 0;
Logger.Default.Info(" Template: {0} {1}", template !, helpText == null ? string.Empty : $"({helpText})");
XElement xmlTemplate;
if (_args.TemplatePath != null)
{
var fi = new FileInfo(Path.Combine(_args.TemplatePath.FullName, template !));
if (!fi.Exists)
{
throw new CodeGenException($"The Template XML file '{fi.FullName}' does not exist.");
}
using var fs = File.OpenText(fi.FullName);
xmlTemplate = await XElement.LoadAsync(fs, LoadOptions.None, CancellationToken.None).ConfigureAwait(false);
}
else
{
xmlTemplate = await ResourceManager.GetTemplateContentXmlAsync(template !, _args.Assemblies.ToArray()).ConfigureAwait(false) ??
throw new CodeGenException($"The Template XML resource '{template}' does not exist.");
}
// Execute the code generation itself.
outputDir = Path.Combine(_args.OutputPath !.FullName, SubstituteOutputDir(outDir !));
await gen.GenerateAsync(xmlTemplate).ConfigureAwait(false);
// Provide statistics.
Logger.Default.Info(" [Files: Unchanged = {0}, Updated = {1}, Created = {2}]", NotChangedCount, UpdatedCount, CreatedCount);
}
}