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Move custom types to Node (#213)

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Move custom types to Node
merged-on-behalf-of: BBasile <BBasile@users.noreply.github.com>
This commit is contained in:
Cameron Ross 2019-01-15 04:07:50 -03:30 • committed by The Dlang Bot
parent beb160f1eb
commit 7f913246ea
20 changed files with 1152 additions and 1679 deletions
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47
examples/representer/main.d
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@ -7,49 +7,28 @@ struct Color
ubyte green;
ubyte blue;
const int opCmp(ref const Color c)
Node opCast(T: Node)() const
{
if(red != c.red) {return red - c.red;}
if(green != c.green){return green - c.green;}
if(blue != c.blue) {return blue - c.blue;}
return 0;
static immutable hex = "0123456789ABCDEF";
//Using the color format from the Constructor example.
string scalar;
foreach(channel; [red, green, blue])
{
scalar ~= hex[channel / 16];
scalar ~= hex[channel % 16];
}
//Representing as a scalar, with custom tag to specify this data type.
return Node(scalar, "!color");
}
}
Node representColor(ref Node node, Representer representer) @safe
{
//The node is guaranteed to be Color as we add representer for Color.
Color color = node.as!Color;
static immutable hex = "0123456789ABCDEF";
//Using the color format from the Constructor example.
string scalar;
foreach(channel; [color.red, color.green, color.blue])
{
scalar ~= hex[channel / 16];
scalar ~= hex[channel % 16];
}
//Representing as a scalar, with custom tag to specify this data type.
return representer.representScalar("!color", scalar);
}
void main()
{
try
{
auto representer = new Representer;
representer.addRepresenter!Color(&representColor);
auto resolver = new Resolver;
import std.regex;
resolver.addImplicitResolver("!color", std.regex.regex("[0-9a-fA-F]{6}"),
"0123456789abcdefABCDEF");
auto dumper = dumper(File("output.yaml", "w").lockingTextWriter);
dumper.representer = representer;
dumper.resolver = resolver;
auto document = Node([Color(255, 0, 0),
Color(0, 255, 0),