public static void WriteStringValue(
this DocumentWriter writer,
StringValueNode node)
{
if (node.Block)
{
writer.Write("\"\"\"");
var lines = node.Value
.Replace("\"\"\"", "\\\"\"\"")
.Replace("\r", string.Empty)
.Split('\n');
foreach (var line in lines)
{
writer.WriteLine();
writer.WriteIndentation();
writer.Write(line);
}
writer.WriteLine();
writer.WriteIndentation();
writer.Write("\"\"\"");
}
else
{
writer.Write($"\"{WriteEscapeCharacters(node.Value)}\"");
}
}
public static void WriteVariable(
this DocumentWriter writer,
VariableNode node)
{
writer.Write('$');
writer.Write(node.Name.Value);
}
public static void WriteListType(
this DocumentWriter writer,
ListTypeNode node)
{
writer.Write('[');
writer.WriteType(node.Type);
writer.Write(']');
}
public static void WriteObjectValue(
this DocumentWriter writer,
ObjectValueNode node)
{
writer.Write("{ ");
writer.WriteMany(node.Fields, (n, w) => w.WriteObjectField(n));
writer.Write(" }");
}
public static void WriteListValue(
this DocumentWriter writer,
ListValueNode node)
{
writer.Write("[ ");
writer.WriteMany(node.Items, (n, w) => w.WriteValue(n));
writer.Write(" ]");
}
public static void WriteField(
this DocumentWriter writer,
NameNode name,
IValueNode value)
{
writer.Write(name.Value);
writer.Write(": ");
writer.WriteValue(value);
}
public static void WriteNonNullType(
this DocumentWriter writer,
NonNullTypeNode node)
{
writer.WriteType(node.Type);
writer.Write('!');
}
public static void WriteDirective(
this DocumentWriter writer,
DirectiveNode node)
{
writer.Write('@');
writer.WriteName(node.Name);
if (node.Arguments.Any())
{
writer.Write('(');
writer.WriteMany(node.Arguments, (n, w) => w.WriteArgument(n));
writer.Write(')');
}
}
public static void WriteMany <T>(
this DocumentWriter writer,
IEnumerable <T> items,
Action <T, DocumentWriter> action,
string separator)
{
if (items.Any())
{
action(items.First(), writer);
foreach (T item in items.Skip(1))
{
writer.Write(separator);
action(item, writer);
}
}
}
public static void WriteFloatValue(
this DocumentWriter writer,
FloatValueNode node)
{
writer.Write(node.Value);
}
protected override void VisitOperationDefinition(
OperationDefinitionNode node)
{
if (node.Name != null)
{
_writer.Write(node.Operation.ToString().ToLowerInvariant());
_writer.WriteSpace();
VisitName(node.Name);
if (node.VariableDefinitions.Any())
{
_writer.Write('(');
WriteMany(
node.VariableDefinitions,
VisitVariableDefinition);
_writer.Write(')');
}
WriteMany(node.Directives, VisitDirective, " ");
_writer.WriteSpace();
}
VisitSelectionSet(node.SelectionSet);
}
public static void WriteName(
this DocumentWriter writer,
NameNode node)
{
writer.Write(node.Value);
}
public static void WriteNullValue(
this DocumentWriter writer,
NullValueNode node)
{
writer.Write("null");
}
public static void WriteEnumValue(
this DocumentWriter writer,
EnumValueNode node)
{
writer.Write(node.Value);
}
public static void WriteBooleanValue(
this DocumentWriter writer,
BooleanValueNode node)
{
writer.Write(node.Value.ToString().ToLowerInvariant());
}