public ScriptLineView CreateLineView(string scriptLineText, int lineIndex, bool @default = false)
{
var lineType = Script.ResolveLineType(scriptLineText);
var lineView = default(ScriptLineView);
switch (lineType.Name)
{
case nameof(CommentScriptLine):
var commentScriptLine = new CommentScriptLine(null, lineIndex, scriptLineText, null, true);
lineView = new CommentLineView(commentScriptLine, linesContainer);
break;
case nameof(LabelScriptLine):
var labelScriptLine = new LabelScriptLine(null, lineIndex, scriptLineText, null, true);
lineView = new LabelLineView(labelScriptLine, linesContainer);
break;
case nameof(DefineScriptLine):
var defineScriptLine = new DefineScriptLine(null, lineIndex, scriptLineText, null, true);
lineView = new DefineLineView(defineScriptLine, linesContainer);
break;
case nameof(CommandScriptLine):
var commandScriptLine = new CommandScriptLine(null, lineIndex, scriptLineText, null, true);
lineView = CommandLineView.CreateOrError(commandScriptLine, linesContainer, config.HideUnusedParameters, @default);
break;
case nameof(GenericTextScriptLine):
var genericTextScriptLine = new GenericTextScriptLine(null, lineIndex, scriptLineText, null, true);
lineView = new GenericTextLineView(genericTextScriptLine, linesContainer);
break;
}
return(lineView);
}
public ScriptLineView CreateLineView(int lineIndex, string lineText)
{
tokens.Clear();
var lineType = lexer.TokenizeLine(lineText, tokens);
var lineView = default(ScriptLineView);
switch (lineType)
{
case LineType.Comment:
lineView = new CommentLineView(lineIndex, lineText, linesContainer);
break;
case LineType.Label:
lineView = new LabelLineView(lineIndex, lineText, linesContainer);
break;
case LineType.Command:
lineView = CommandLineView.CreateOrError(lineIndex, lineText, tokens, linesContainer, config.HideUnusedParameters);
break;
default:
lineView = new GenericTextLineView(lineIndex, lineText, linesContainer);
break;
}
return(lineView);
}
public static ScriptLineView CreateOrError(int lineIndex, string lineText,
IReadOnlyList <Token> tokens, VisualElement container, bool hideParameters)
{
errors.Clear();
var model = commandLineParser.Parse(lineText, tokens, errors)?.Command;
if (model is null || errors.Count > 0)
{
return(Error(errors.FirstOrDefault()));
}
var meta = projectMeta.commands.FirstOrDefault(c => (c.id?.EqualsFastIgnoreCase(model.Identifier) ?? false) ||
(c.alias?.EqualsFastIgnoreCase(model.Identifier) ?? false));
if (meta is null)
{
return(Error($"Unknown command: `{model.Identifier}`"));
}
var nameLabel = new Label(model.Identifier.Text.FirstToLower());
nameLabel.name = "InputLabel";
nameLabel.AddToClassList("Inlined");
var commandLineView = new CommandLineView(lineIndex, container);
commandLineView.Content.Add(nameLabel);
commandLineView.CommandId = model.Identifier;
commandLineView.hideParameters = hideParameters;
foreach (var paramMeta in meta.@params)
{
var data = new ParameterFieldData {
Id = string.IsNullOrEmpty(paramMeta.alias) ? paramMeta.id.FirstToLower() : paramMeta.alias,
Value = GetValueFor(paramMeta),
Nameless = paramMeta.nameless
};
if (commandLineView.ShouldShowParameter(data))
{
commandLineView.AddParameterField(data);
}
else
{
commandLineView.delayedAddFields.Add(data);
}
}
return(commandLineView);
ErrorLineView Error(string e) => new ErrorLineView(lineIndex, lineText, container, model?.Identifier, e);
string GetValueFor(ProjectMetadata.ParameterMetadata m)
{
var param = model.Parameters.FirstOrDefault(p => p.Identifier.Text.EqualsFastIgnoreCase(m.id) ||
p.Identifier.Text.EqualsFastIgnoreCase(m.alias));
return(param?.Value);
}
}
public static ScriptLineView CreateOrError(int lineIndex, string lineText, VisualElement container, bool hideParameters)
{
var commandBodyText = lineText.GetAfterFirst(CommandScriptLine.IdentifierLiteral);
var commandId = commandBodyText.GetBefore(" ") ?? commandBodyText.GetBefore("\t") ?? commandBodyText.Trim();
var commandType = Command.ResolveCommandType(commandId);
if (commandType is null)
{
return(Error("Failed to resolve command type."));
}
var commandLineView = new CommandLineView(lineIndex, container);
var nameLabel = new Label(commandId);
nameLabel.name = "InputLabel";
nameLabel.AddToClassList("Inlined");
commandLineView.Content.Add(nameLabel);
commandLineView.CommandId = commandId;
commandLineView.hideParameters = hideParameters;
var paramFields = commandType.GetFields(BindingFlags.Public | BindingFlags.Instance)
.Where(f => typeof(ICommandParameter).IsAssignableFrom(f.FieldType));
var paramValues = typeof(Command).GetMethod("ExtractParameters", BindingFlags.Static | BindingFlags.NonPublic)
.Invoke(null, new[] { commandBodyText, string.Empty }) as LiteralMap <string>;
foreach (var paramField in paramFields)
{
var paramAlias = paramField.GetCustomAttribute <Command.ParameterAliasAttribute>()?.Alias;
var paramId = paramAlias ?? char.ToLowerInvariant(paramField.Name[0]) + paramField.Name.Substring(1);
var nameless = string.IsNullOrEmpty(paramId);
paramValues.TryGetValue(paramId, out var valueText);
if (valueText is null)
{
paramValues.TryGetValue(paramField.Name, out valueText);
}
var data = new ParameterFieldData {
Id = paramId, Name = paramField.Name, Value = valueText, Nameless = nameless
};
if (!data.Nameless && hideParameters && string.IsNullOrEmpty(data.Value))
{
commandLineView.delayedAddFields.Add(data); // Add un-assigned fields on hover for better init performance.
}
else
{
commandLineView.AddParameterField(data);
}
}
return(commandLineView);
ErrorLineView Error(string error) => new ErrorLineView(lineIndex, lineText, container, commandId, error);
}
public ScriptLineView CreateLineView(int lineIndex, string lineText)
{
var lineView = default(ScriptLineView);
switch (Script.ResolveLineType(lineText?.TrimFull()).Name)
{
case nameof(CommentScriptLine):
lineView = new CommentLineView(lineIndex, lineText, linesContainer);
break;
case nameof(LabelScriptLine):
lineView = new LabelLineView(lineIndex, lineText, linesContainer);
break;
case nameof(CommandScriptLine):
lineView = CommandLineView.CreateOrError(lineIndex, lineText, linesContainer, config.HideUnusedParameters);
break;
case nameof(GenericTextScriptLine):
lineView = new GenericTextLineView(lineIndex, lineText, linesContainer);
break;
}
return(lineView);
}
public static ScriptLineView CreateOrError(CommandScriptLine scriptLine, VisualElement container, bool hideParameters, bool @default = false)
{
ErrorLineView Error(string error) => new ErrorLineView(scriptLine, container, error);
if (!scriptLine.Valid)
{
return(Error("Incorrect syntax."));
}
var commandType = Command.FindCommandType(scriptLine.CommandName);
if (commandType is null)
{
return(Error($"Unknown command `{scriptLine.CommandName}`."));
}
var commandLineView = new CommandLineView(scriptLine, container);
commandLineView.hideParameters = hideParameters;
commandLineView.CommandId = scriptLine.CommandName;
var nameLabel = new Label(scriptLine.CommandName);
nameLabel.name = "InputLabel";
nameLabel.AddToClassList("Inlined");
commandLineView.Content.Add(nameLabel);
var paramaterFieldInfos = commandType.GetProperties()
.Where(property => property.IsDefined(typeof(Command.CommandParameterAttribute), false)).ToList();
var parameterAttributes = paramaterFieldInfos
.Select(f => f.GetCustomAttributes(typeof(Command.CommandParameterAttribute), false).First() as Command.CommandParameterAttribute).ToList();
Debug.Assert(paramaterFieldInfos.Count == parameterAttributes.Count);
for (int i = 0; i < paramaterFieldInfos.Count; i++)
{
var paramFieldInfo = paramaterFieldInfos[i];
var paramAttribute = parameterAttributes[i];
var paramName = paramAttribute.Alias != null && scriptLine.CommandParameters.ContainsKey(paramAttribute.Alias) ? paramAttribute.Alias : paramFieldInfo.Name;
if (!scriptLine.CommandParameters.ContainsKey(paramName) && !paramAttribute.Optional && !@default)
{
return(Error($"Missing `{paramName}` parameter."));
}
scriptLine.CommandParameters.TryGetValue(paramName, out var paramValue);
var textField = new LineTextField(paramAttribute.Alias ?? char.ToLowerInvariant(paramName[0]) + paramName.Substring(1), paramValue);
// Show parameter ID of the nameless parameters via tooltip.
if (string.IsNullOrEmpty(textField.label))
{
textField.tooltip = paramFieldInfo.Name;
}
else
{
textField.AddToClassList("NamedParameterLabel");
}
commandLineView.parameterFields.Add(textField);
// Show the un-assigned named parameters only when hovered or focused.
if (string.IsNullOrEmpty(textField.label) || !hideParameters || !string.IsNullOrEmpty(textField.value))
{
commandLineView.Content.Add(textField);
}
}
foreach (var paramId in scriptLine.CommandParameters.Keys)
{
if (parameterAttributes.Exists(a => a.Alias?.EqualsFastIgnoreCase(paramId) ?? false))
{
continue;
}
if (paramaterFieldInfos.Exists(f => f.Name.EqualsFastIgnoreCase(paramId)))
{
continue;
}
return(Error($"Unsupported `{paramId}` parameter."));
}
return(commandLineView);
}