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Samples.LoadingAYamlStream
Antoine Aubry edited this page Jun 23, 2019
·
3 revisions
Explains how to load YAML using the representation model.
using System.IO;
using YamlDotNet.RepresentationModel;
using YamlDotNet.Samples.Helpers;
using Xunit.Abstractions;
namespace YamlDotNet.Samples
{
public class LoadingAYamlStream
{
private readonly ITestOutputHelper output;
public LoadingAYamlStream(ITestOutputHelper output)
{
this.output = output;
}
[Sample(
DisplayName = "Loading a YAML Stream",
Description = "Explains how to load YAML using the representation model."
)]
public void Main()
{
// Setup the input
var input = new StringReader(Document);
// Load the stream
var yaml = new YamlStream();
yaml.Load(input);
// Examine the stream
var mapping =
(YamlMappingNode)yaml.Documents[0].RootNode;
foreach (var entry in mapping.Children)
{
output.WriteLine(((YamlScalarNode)entry.Key).Value);
}
// List all the items
var items = (YamlSequenceNode)mapping.Children[new YamlScalarNode("items")];
foreach (YamlMappingNode item in items)
{
output.WriteLine(
"{0}\t{1}",
item.Children[new YamlScalarNode("part_no")],
item.Children[new YamlScalarNode("descrip")]
);
}
}
private const string Document = @"---
receipt: Oz-Ware Purchase Invoice
date: 2007-08-06
customer:
given: Dorothy
family: Gale
items:
- part_no: A4786
descrip: Water Bucket (Filled)
price: 1.47
quantity: 4
- part_no: E1628
descrip: High Heeled ""Ruby"" Slippers
price: 100.27
quantity: 1
bill-to: &id001
street: |
123 Tornado Alley
Suite 16
city: East Westville
state: KS
ship-to: *id001
specialDelivery: >
Follow the Yellow Brick
Road to the Emerald City.
Pay no attention to the
man behind the curtain.
...";
}
}
receipt
date
customer
items
bill-to
ship-to
specialDelivery
A4786 Water Bucket (Filled)
E1628 High Heeled "Ruby" Slippers