internal static CommandBase FromCode(SyntaxElement rootElement)
{
var tableNameDeclaration = rootElement.GetUniqueDescendant <NameDeclaration>(
"Table Name",
n => n.NameInParent == "TableName");
var mappingNameExpression = rootElement.GetUniqueDescendant <LiteralExpression>(
"Mapping Name",
n => n.NameInParent == "MappingName");
var mappingKindToken = rootElement.GetUniqueDescendant <SyntaxToken>(
"Mapping Kind",
n => n.NameInParent == "MappingKind");
var mappingFormatExpression = rootElement.GetUniqueDescendant <LiteralExpression>(
"Mapping Format",
n => n.NameInParent == "MappingFormat");
var mappingFormatFirstPart = QuotedText.FromLiteral(mappingFormatExpression);
var mappingFormatExtraParts = rootElement
.GetDescendants <CompoundStringLiteralExpression>()
.SelectMany(c => c.Tokens)
.Select(t => QuotedText.FromToken(t));
var mappingFormatParts = mappingFormatExtraParts
.Prepend(mappingFormatFirstPart)
.Select(q => q.Text);
var mappingFormat = string.Concat(mappingFormatParts);
var command = new CreateMappingCommand(
EntityName.FromCode(tableNameDeclaration),
mappingKindToken.Text,
QuotedText.FromLiteral(mappingNameExpression),
QuotedText.FromText(mappingFormat) !);
return(command);
}
private static (QuotedText?folder, QuotedText?docString) ExtractWithProperties(
SyntaxElement rootElement)
{
var keywords = rootElement
.GetDescendants <SyntaxElement>(n => n.Kind == SyntaxKind.FolderKeyword ||
n.Kind == SyntaxKind.DocStringKeyword);
if (!keywords.Any())
{
return(null, null);
}
else
{
var propertiesParent = keywords.First().Parent;
var tokenSequence = propertiesParent
.GetDescendants <SyntaxToken>(n => n.Kind == SyntaxKind.StringLiteralToken)
.Select(n => QuotedText.FromToken(n));
var zip = keywords
.Select(n => n.Kind)
.Zip(tokenSequence, (k, t) => (k, t))
.ToImmutableArray();
QuotedText?folder = null;
QuotedText?docString = null;
foreach (var p in zip)
{
if (p.k == SyntaxKind.FolderKeyword)
{
folder = p.t;
}
else
{
docString = p.t;
}
}
return(folder, docString);
}
}