public CodeGenerator(ITextTemplatingEngineHost host, ITextTemplatingSessionHost textTemplatingSessionHost, ITextTemplating textTemplating, ISolutionManager solutionManager, string rosMessagesProjectName, string rosMessageTypeAttributeName, string rosMessageTypeAttributeNamespace)
{
if (null == host)
{
throw new ArgumentNullException(nameof(host));
}
if (null == textTemplatingSessionHost)
{
throw new ArgumentNullException(nameof(textTemplatingSessionHost));
}
if (null == textTemplating)
{
throw new ArgumentNullException(nameof(textTemplating));
}
if (null == solutionManager)
{
throw new ArgumentNullException(nameof(solutionManager));
}
if (string.IsNullOrWhiteSpace(rosMessagesProjectName))
{
throw new ArgumentException("Parameter cannot be empty!", nameof(rosMessagesProjectName));
}
if (string.IsNullOrWhiteSpace(rosMessageTypeAttributeName))
{
throw new ArgumentException("Parameter cannot be empty!", nameof(rosMessageTypeAttributeName));
}
if (string.IsNullOrWhiteSpace(rosMessageTypeAttributeNamespace))
{
throw new ArgumentException("Parameter cannot be empty!", nameof(rosMessageTypeAttributeNamespace));
}
_textTemplatingEngineHost = host;
_textTemplating = textTemplating;
_textTemplatingSessionHost = textTemplatingSessionHost;
_solutionManager = solutionManager;
_rosMessageTypeAttributeName = rosMessageTypeAttributeName;
_rosMessageTypeAttributeNamespace = rosMessageTypeAttributeNamespace;
_defaultNamespace = rosMessagesProjectName;
_rosMessageCodeGenerationTemplatePath = _textTemplatingEngineHost.ResolvePath(ROS_MESSAGE_CODE_GENERATION_TEMPLATE_RELATIVE_PATH);
_rosMessageCodeGenerationTemplateContent = ReadAllTextFromFile(_rosMessageCodeGenerationTemplatePath);
_customTimeDataTemplatePath = _textTemplatingEngineHost.ResolvePath(CUSTOM_TIME_DATA_TEMPLATE_RELATIVE_PATH);
_solutionManager.Initialize();
}
public AstDefinition GetDefinition()
{
var fullPath = _host.ResolvePath(_file);
var lines = System.IO.File.ReadLines(fullPath);
var definition = new AstDefinition();
AbstractSyntaxTree currentAst = null; // the root AST node type, which is generated as an abstract class, and all other node types inherit from.
foreach (var line in lines)
{
// check if the line we're dealing with is an AST definition, or an AST node-type definition.
if (!line.Contains(":"))
{
var isFirst = currentAst == null;
currentAst = new AbstractSyntaxTree();
var name = line.Trim();
if (line.EndsWith("<>"))
{
currentAst.Name = line.Substring(0, line.Length - 2);
currentAst.HasVisitResult = true;
}
else
{
currentAst.Name = line.Trim();
}
currentAst.IsFirst = isFirst;
definition.Trees.Add(currentAst);
}
else
{
// extract node type information: name and fields (type and name of each).
var segments = line.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
var className = segments[0].Trim();
var fields = segments[1].Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(fieldsSegment =>
{
var fieldSegments = fieldsSegment.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
// key: field name, value: field type
return(new KeyValuePair <FieldName, string>(new FieldName(fieldSegments[1].Trim()), fieldSegments[0].Trim()));
})
.ToList();
currentAst.NodeTypes.Add(new NodeType
{
Name = className,
Fields = fields
});
}
}
return(definition);
}
public void ProcessTemplate(string templateFileName, string outputFileName)
{
string templateDirectory = Path.GetDirectoryName(_host.TemplateFile);
string outputFilePath = Path.Combine(templateDirectory, outputFileName);
string template = File.ReadAllText(_host.ResolvePath(templateFileName));
string output = _engine.ProcessTemplate(template, _host);
File.WriteAllText(outputFilePath, output);
ProjectItem templateProjectItem = _getTemplateProjectItem();
templateProjectItem.ProjectItems.AddFromFile(outputFilePath);
_savedOutputs.Add(outputFileName);
}
