├── .github └── FUNDING.yml ├── .gitignore ├── LICENSE ├── README.md ├── d2lang-cs.sln ├── docs └── assets │ └── img │ ├── banner.png │ ├── d2_logo.png │ └── diagram.png ├── example └── cli │ ├── Program.cs │ └── d2-sample-cli.csproj ├── src ├── D2Connection.cs ├── D2Diagram.cs ├── D2Shape.cs ├── D2Style.cs ├── D2Text.cs ├── Direction.cs ├── Shape.cs ├── Utils.cs └── d2lang-cs.csproj └── test ├── Tests.csproj ├── UnitTests.cs └── Usings.cs /.github/FUNDING.yml: -------------------------------------------------------------------------------- 1 | # These are supported funding model platforms 2 | 3 | github: Stephanvs 4 | patreon: # Replace with a single Patreon username 5 | open_collective: # Replace with a single Open Collective username 6 | ko_fi: # Replace with a single Ko-fi username 7 | tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel 8 | community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry 9 | liberapay: # Replace with a single Liberapay username 10 | issuehunt: # Replace with a single IssueHunt username 11 | otechie: # Replace with a single Otechie username 12 | lfx_crowdfunding: # Replace with a single LFX Crowdfunding project-name e.g., cloud-foundry 13 | custom: https://www.buymeacoffee.com/stephanvs 14 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | ## 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IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # d2lang-cs 2 | 3 | ![Banner](docs/assets/img/banner.png) 4 | 5 | An unofficial interface for building [D2](https://github.com/terrastruct/d2) diagram files in C# and dotnet. 6 | 7 | # Installation 8 | 9 | ```bash 10 | dotnet add package d2lang-cs 11 | ``` 12 | 13 | # Usage 14 | 15 | ```csharp 16 | using d2; 17 | 18 | var umbrella = new D2Shape("alphabet", "Alphabet Inc", Shape.Rectangle); 19 | var company = new D2Shape("google", null, Shape.Rectangle); 20 | 21 | company.Add(new D2Shape("gmail", "Gmail", Shape.Rectangle)); 22 | company.Add(new D2Shape("meet", "Meet", Shape.Rectangle)); 23 | company.Add(new D2Shape("deepmind", "DeepMind", Shape.Rectangle)); 24 | 25 | company.Icon = "https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_92x30dp.png"; 26 | 27 | var connection = new D2Connection(company.Name, umbrella.Name, Direction.TO, "BELONGS_TO"); 28 | 29 | var diagram = new D2Diagram(new[] { umbrella, company }, new[] { connection }); 30 | 31 | Console.WriteLine(diagram.ToString()); 32 | ``` 33 | 34 | # D2 Output 35 | ```d2-lang 36 | alphabet: Alphabet Inc { 37 | shape: rectangle 38 | } 39 | google: { 40 | gmail: Gmail { 41 | shape: rectangle 42 | } 43 | meet: Meet { 44 | shape: rectangle 45 | } 46 | deepmind: DeepMind { 47 | shape: rectangle 48 | } 49 | icon: https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_92x30dp.png 50 | shape: rectangle 51 | } 52 | google -> alphabet: BELONGS_TO 53 | ``` 54 | 55 | # Diagram Output 56 | ![Diagram](docs/assets/img/diagram.png) 57 | 58 | # Documentation 59 | ## Supported 60 | - [x] Shapes (nodes) 61 | - [x] Connections (edges) 62 | - [x] Styles 63 | - [x] Containers (nodes/links in nodes) 64 | - [x] Arrow directions 65 | - [x] Markdown / latex / block strings / code in shapes 66 | - [x] Shape icons 67 | - [ ] SQL table shapes 68 | - [ ] Class shapes 69 | - [ ] Comments 70 | 71 | # Inspiration & Thanks 72 | - [Kreshnik/d2lang-js](https://github.com/Kreshnik/d2lang-js) 73 | - [MrBlenny/py-d2](https://github.com/MrBlenny/py-d2) 74 | 75 | # Thank me! 76 | If you like what I'm doing and you would like to thank me, please consider: 77 | 78 | 79 | Buy Me A Coffee! 80 | 81 | 82 | Thank you for your support! 83 | 84 |
85 | 86 | Copyright © 2023 [Stephan van Stekelenburg](https://stephanvs.com) - Provided under [MIT License](LICENSE) 87 | -------------------------------------------------------------------------------- /d2lang-cs.sln: -------------------------------------------------------------------------------- 1 |  2 | Microsoft Visual Studio Solution File, Format Version 12.00 3 | # Visual Studio Version 17 4 | VisualStudioVersion = 17.5.002.0 5 | MinimumVisualStudioVersion = 10.0.40219.1 6 | Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "d2lang-cs", "src\d2lang-cs.csproj", "{BB0ABCF8-5B09-438A-9FCE-9CD3D70E4CBB}" 7 | EndProject 8 | Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "example", "example", "{5C588B55-FBDC-4C2F-B65F-14BB31282E33}" 9 | EndProject 10 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "d2-sample-cli", "example\cli\d2-sample-cli.csproj", "{327CF66B-11FC-460F-A018-F0A602482A03}" 11 | EndProject 12 | Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tests", "test\Tests.csproj", "{BC01588F-4480-4AF0-A1C2-364A983E9F58}" 13 | EndProject 14 | Global 15 | GlobalSection(SolutionConfigurationPlatforms) = preSolution 16 | Debug|Any CPU = Debug|Any CPU 17 | Release|Any CPU = Release|Any CPU 18 | EndGlobalSection 19 | GlobalSection(ProjectConfigurationPlatforms) = postSolution 20 | {BB0ABCF8-5B09-438A-9FCE-9CD3D70E4CBB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 21 | {BB0ABCF8-5B09-438A-9FCE-9CD3D70E4CBB}.Debug|Any CPU.Build.0 = Debug|Any CPU 22 | {BB0ABCF8-5B09-438A-9FCE-9CD3D70E4CBB}.Release|Any CPU.ActiveCfg = Release|Any CPU 23 | {BB0ABCF8-5B09-438A-9FCE-9CD3D70E4CBB}.Release|Any CPU.Build.0 = Release|Any CPU 24 | {327CF66B-11FC-460F-A018-F0A602482A03}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 25 | {327CF66B-11FC-460F-A018-F0A602482A03}.Debug|Any CPU.Build.0 = Debug|Any CPU 26 | {327CF66B-11FC-460F-A018-F0A602482A03}.Release|Any CPU.ActiveCfg = Release|Any CPU 27 | {327CF66B-11FC-460F-A018-F0A602482A03}.Release|Any CPU.Build.0 = Release|Any CPU 28 | {BC01588F-4480-4AF0-A1C2-364A983E9F58}.Debug|Any CPU.ActiveCfg = Debug|Any CPU 29 | {BC01588F-4480-4AF0-A1C2-364A983E9F58}.Debug|Any CPU.Build.0 = Debug|Any CPU 30 | {BC01588F-4480-4AF0-A1C2-364A983E9F58}.Release|Any CPU.ActiveCfg = Release|Any CPU 31 | {BC01588F-4480-4AF0-A1C2-364A983E9F58}.Release|Any CPU.Build.0 = Release|Any CPU 32 | EndGlobalSection 33 | GlobalSection(SolutionProperties) = preSolution 34 | HideSolutionNode = FALSE 35 | EndGlobalSection 36 | GlobalSection(ExtensibilityGlobals) = postSolution 37 | SolutionGuid = {10D35D6E-F298-4AA0-AC44-FEFFF3CA9EEB} 38 | EndGlobalSection 39 | GlobalSection(NestedProjects) = preSolution 40 | {327CF66B-11FC-460F-A018-F0A602482A03} = {5C588B55-FBDC-4C2F-B65F-14BB31282E33} 41 | EndGlobalSection 42 | EndGlobal 43 | -------------------------------------------------------------------------------- /docs/assets/img/banner.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Stephanvs/d2lang-cs/664651a2f798a4abda0721eb795441ed24999887/docs/assets/img/banner.png -------------------------------------------------------------------------------- /docs/assets/img/d2_logo.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Stephanvs/d2lang-cs/664651a2f798a4abda0721eb795441ed24999887/docs/assets/img/d2_logo.png -------------------------------------------------------------------------------- /docs/assets/img/diagram.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/Stephanvs/d2lang-cs/664651a2f798a4abda0721eb795441ed24999887/docs/assets/img/diagram.png -------------------------------------------------------------------------------- /example/cli/Program.cs: -------------------------------------------------------------------------------- 1 | using d2; 2 | 3 | var umbrella = new D2Shape("alphabet", "Alphabet Inc", Shape.Rectangle); 4 | var company = new D2Shape("google", null, Shape.Rectangle); 5 | 6 | company.Add(new D2Shape("gmail", "Gmail", Shape.Rectangle)); 7 | company.Add(new D2Shape("meet", "Meet", Shape.Rectangle)); 8 | company.Add(new D2Shape("deepmind", "DeepMind", Shape.Rectangle)); 9 | 10 | company.Icon = "https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_92x30dp.png"; 11 | 12 | var connection = new D2Connection(company.Name, umbrella.Name, Direction.TO, "BELONGS_TO"); 13 | 14 | var diagram = new D2Diagram(new[] { umbrella, company }, new[] { connection }); 15 | 16 | Console.WriteLine(diagram.ToString()); -------------------------------------------------------------------------------- /example/cli/d2-sample-cli.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | Exe 5 | net8.0 6 | d2_sample_cli 7 | enable 8 | enable 9 | false 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | -------------------------------------------------------------------------------- /src/D2Connection.cs: -------------------------------------------------------------------------------- 1 | namespace d2; 2 | 3 | public record class D2Connection( 4 | string First, 5 | string Second, 6 | Direction Direction, 7 | string? Label = "" 8 | ) 9 | { 10 | internal IEnumerable Lines() 11 | { 12 | var @base = $"{First} {Direction} {Second}"; 13 | if (!string.IsNullOrWhiteSpace(Label)) 14 | { 15 | @base += $": {Label}"; 16 | } 17 | 18 | return new List { @base }; 19 | } 20 | 21 | public override string ToString() 22 | => string.Join(Environment.NewLine, Lines()); 23 | } -------------------------------------------------------------------------------- /src/D2Diagram.cs: -------------------------------------------------------------------------------- 1 | namespace d2; 2 | 3 | public record class D2Diagram( 4 | IEnumerable Shapes, 5 | IEnumerable Connections 6 | ) 7 | { 8 | public D2Diagram Add(D2Shape shape) 9 | => this with { Shapes = Shapes.Append(shape) }; 10 | public D2Diagram Add(D2Connection connection) 11 | => this with { Connections = Connections.Append(connection) }; 12 | 13 | internal IEnumerable Lines() 14 | { 15 | var shapes = Shapes.SelectMany(s => s.Lines()).ToList(); 16 | var connections = Connections.SelectMany(c => c.Lines()).ToList(); 17 | 18 | return shapes.Concat(connections); 19 | } 20 | 21 | public override string ToString() 22 | => string.Join(Environment.NewLine, Lines()); 23 | } -------------------------------------------------------------------------------- /src/D2Shape.cs: -------------------------------------------------------------------------------- 1 | using System.Collections; 2 | 3 | namespace d2; 4 | 5 | public record class D2Shape( 6 | string Name, 7 | string? Label, 8 | Shape? Shape = default, 9 | D2Style? Style = default, 10 | string? Near = default 11 | ) : IEnumerable, IEnumerable, IEnumerable 12 | { 13 | private readonly List _shapes = new(); 14 | private readonly List _connections = new(); 15 | private readonly List _texts = new(); 16 | 17 | public string Icon { get; set; } = string.Empty; 18 | 19 | public void Add(D2Shape shape) => _shapes.Add(shape); 20 | 21 | public void Add(D2Connection connection) => _connections.Add(connection); 22 | 23 | public void Add(D2Text text) => _texts.Add(text); 24 | 25 | internal IEnumerable Lines() 26 | { 27 | var shapes = _shapes.SelectMany(s => s.Lines()).ToList(); 28 | var connections = _connections.SelectMany(c => c.Lines()).ToList(); 29 | var texts = _texts.SelectMany(t => t.Lines()).ToList(); 30 | 31 | var properties = shapes.Concat(connections).Concat(texts).ToList(); 32 | 33 | if (!string.IsNullOrWhiteSpace(Icon)) 34 | { 35 | properties.Add($"icon: {Icon}"); 36 | } 37 | 38 | if (Shape is not null) 39 | { 40 | properties.Add($"shape: {Shape}"); 41 | } 42 | 43 | if (!string.IsNullOrEmpty(Near)) 44 | { 45 | properties.Add($"near: {Near}"); 46 | } 47 | 48 | if (Style is not null) 49 | { 50 | properties.AddRange(Style.Lines()); 51 | } 52 | 53 | return Utils.AddLabelAndProperties(Name, Label, properties); 54 | } 55 | 56 | public override string ToString() 57 | => string.Join(Environment.NewLine, Lines()); 58 | 59 | public IEnumerator GetEnumerator() 60 | => _shapes.GetEnumerator(); 61 | 62 | IEnumerator IEnumerable.GetEnumerator() 63 | => GetEnumerator(); 64 | 65 | IEnumerator IEnumerable.GetEnumerator() 66 | => _texts.GetEnumerator(); 67 | 68 | IEnumerator IEnumerable.GetEnumerator() 69 | => _connections.GetEnumerator(); 70 | } 71 | -------------------------------------------------------------------------------- /src/D2Style.cs: -------------------------------------------------------------------------------- 1 | namespace d2; 2 | 3 | public record class D2Style( 4 | string? Stroke, 5 | int? StrokeWidth, 6 | string? Fill, 7 | bool? Shadow, 8 | int? Opacity, 9 | int? StrokeDash, 10 | bool? ThreeD 11 | ) 12 | { 13 | public IEnumerable Lines() 14 | { 15 | var styles = new List(); 16 | 17 | if (Stroke is not null) styles.Add($"stroke: {Stroke}"); 18 | if (StrokeWidth is not null) styles.Add($"stroke-width: {StrokeWidth}"); 19 | if (Fill is not null) styles.Add($"fill: {Fill}"); 20 | if (Shadow is not null) styles.Add($"shadow: {Utils.StringifyBoolean(Shadow)}"); 21 | if (Opacity is not null) styles.Add($"opacity: {Opacity}"); 22 | if (StrokeDash is not null) styles.Add($"stroke-dash: {StrokeDash}"); 23 | if (ThreeD is not null) styles.Add($"3d: {Utils.StringifyBoolean(ThreeD)}"); 24 | 25 | return styles.Count == 0 26 | ? new List() 27 | : Utils.AddLabelAndProperties("style", null, styles); 28 | } 29 | 30 | public override string ToString() 31 | => string.Join(Environment.NewLine, Lines()); 32 | } -------------------------------------------------------------------------------- /src/D2Text.cs: -------------------------------------------------------------------------------- 1 | namespace d2; 2 | 3 | public record D2Text( 4 | string Property, 5 | string Text, 6 | string Format, 7 | int Pipes 8 | ) 9 | { 10 | internal IEnumerable Lines() 11 | { 12 | var sep = "|".Repeat(Pipes); 13 | 14 | return new List() 15 | .Append($"{Property}:{sep}{Format}") 16 | .Concat(Text.Split(Environment.NewLine)) 17 | .Append(sep); 18 | } 19 | 20 | public override string ToString() 21 | => string.Join(Environment.NewLine, Lines()); 22 | } -------------------------------------------------------------------------------- /src/Direction.cs: -------------------------------------------------------------------------------- 1 | namespace d2; 2 | 3 | public abstract record Direction(string Value) 4 | { 5 | public readonly static To TO = new(); 6 | public readonly static From FROM = new(); 7 | public readonly static Both BOTH = new(); 8 | public readonly static None NONE = new(); 9 | public sealed override string ToString() => Value; 10 | } 11 | 12 | public sealed record To() : Direction("->"); 13 | public sealed record From() : Direction("<-"); 14 | public sealed record Both() : Direction("<->"); 15 | public sealed record None() : Direction("--"); 16 | -------------------------------------------------------------------------------- /src/Shape.cs: -------------------------------------------------------------------------------- 1 | namespace d2; 2 | 3 | public abstract record Shape(string Value) 4 | { 5 | public readonly static Rectangle Rectangle = new(); 6 | public readonly static Square Square = new(); 7 | public readonly static Page Page = new(); 8 | public readonly static Parallelogram Parallelogram = new(); 9 | public readonly static Document Document = new(); 10 | public readonly static Cylinder Cylinder = new(); 11 | public readonly static Queue Queue = new(); 12 | public readonly static Package Package = new(); 13 | public readonly static Step Step = new(); 14 | public readonly static Callout Callout = new(); 15 | public readonly static StoredData StoredData = new(); 16 | public readonly static Person Person = new(); 17 | public readonly static Diamond Diamond = new(); 18 | public readonly static Oval Oval = new(); 19 | public readonly static Circle Circle = new(); 20 | public readonly static Hexagon Hexagon = new(); 21 | public readonly static Cloud Cloud = new(); 22 | public readonly static Text Text = new(); 23 | public readonly static Code Code = new(); 24 | public readonly static SqlTable SqlTable = new(); 25 | public readonly static Image Image = new(); 26 | public readonly static Class Class = new(); 27 | public readonly static SequenceDiagram SequenceDiagram = new(); 28 | 29 | public sealed override string ToString() => Value; 30 | } 31 | 32 | public sealed record Rectangle() : Shape("rectangle"); 33 | public sealed record Square() : Shape("square"); 34 | public sealed record Page() : Shape("page"); 35 | public sealed record Parallelogram() : Shape("parallelogram"); 36 | public sealed record Document() : Shape("document"); 37 | public sealed record Cylinder() : Shape("cylinder"); 38 | public sealed record Queue() : Shape("queue"); 39 | public sealed record Package() : Shape("package"); 40 | public sealed record Step() : Shape("step"); 41 | public sealed record Callout() : Shape("callout"); 42 | public sealed record StoredData() : Shape("stored_data"); 43 | public sealed record Person() : Shape("person"); 44 | public sealed record Diamond() : Shape("diamond"); 45 | public sealed record Oval() : Shape("oval"); 46 | public sealed record Circle() : Shape("circle"); 47 | public sealed record Hexagon() : Shape("hexagon"); 48 | public sealed record Cloud() : Shape("cloud"); 49 | public sealed record Text() : Shape("text"); 50 | public sealed record Code() : Shape("code"); 51 | public sealed record SqlTable() : Shape("sql_table"); 52 | public sealed record Image() : Shape("image"); 53 | public sealed record Class() : Shape("class"); 54 | public sealed record SequenceDiagram() : Shape("sequence_diagram"); 55 | -------------------------------------------------------------------------------- /src/Utils.cs: -------------------------------------------------------------------------------- 1 | namespace d2; 2 | 3 | public static class Utils 4 | { 5 | public static string StringifyBoolean(bool? value) => value switch 6 | { 7 | true => "true", 8 | _ => "false" 9 | }; 10 | 11 | public static IEnumerable AddLabelAndProperties( 12 | string name, 13 | string? label, 14 | IEnumerable properties) 15 | { 16 | var hasProperties = properties?.Any() ?? false; 17 | 18 | string firstLine = name ?? string.Empty; 19 | if (label != null || hasProperties) 20 | { 21 | firstLine += ":"; 22 | } 23 | 24 | if (label != null) 25 | { 26 | firstLine += $" {label}"; 27 | } 28 | 29 | if (hasProperties) 30 | { 31 | firstLine += " {"; 32 | } 33 | 34 | if (properties != null && hasProperties) 35 | { 36 | return new List { firstLine } 37 | .Concat(Indent(properties)) 38 | .Append("}"); 39 | } 40 | 41 | return new[] { firstLine }; 42 | } 43 | 44 | 45 | public static IEnumerable Indent(IEnumerable items, int times = 2) 46 | { 47 | return items.Select(item => " ".Repeat(times) + item); 48 | } 49 | 50 | public static string Repeat(this string value, int times) 51 | { 52 | var result = string.Empty; 53 | for (var i = 0; i < times; i++) 54 | { 55 | result += value; 56 | } 57 | return result; 58 | } 59 | } -------------------------------------------------------------------------------- /src/d2lang-cs.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | net8.0 5 | enable 6 | enable 7 | d2 8 | d2lang-cs 9 | 1.0.0 10 | Stephan van Stekelenburg 11 | https://github.com/Stephanvs/d2lang-cs.git 12 | https://github.com/Stephanvs/d2lang-cs 13 | D2;D2 Lang;Declarative Diagramming;Diagram;Text Diagram;Text to Diagram 14 | MIT 15 | D2 is A modern, open-source DSL designed specifically for software architecture diagrams. 16 | d2_logo.png 17 | README.md 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | -------------------------------------------------------------------------------- /test/Tests.csproj: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | net8.0 5 | enable 6 | enable 7 | 8 | false 9 | true 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /test/UnitTests.cs: -------------------------------------------------------------------------------- 1 | namespace Tests; 2 | 3 | [TestClass] 4 | public class UnitTests 5 | { 6 | [TestMethod] 7 | public void TestDiagram() 8 | { 9 | var umbrella = new D2Shape("alphabet", "Alphabet Inc", Shape.Rectangle); 10 | var company = new D2Shape("google", "Google", Shape.Rectangle) 11 | { 12 | new D2Shape("gmail", "Gmail", Shape.Rectangle), 13 | new D2Shape("meet", "Meet", Shape.Rectangle), 14 | new D2Shape("deepmind", "DeepMind", Shape.Rectangle), 15 | }; 16 | 17 | var connection = new D2Connection(company.Name, umbrella.Name, Direction.TO, "BELONGS_TO"); 18 | 19 | var diagram = new D2Diagram(new[] { umbrella, company }, new[] { connection }); 20 | var actual = diagram.ToString(); 21 | var expected = @"alphabet: Alphabet Inc { 22 | shape: rectangle 23 | } 24 | google: Google { 25 | gmail: Gmail { 26 | shape: rectangle 27 | } 28 | meet: Meet { 29 | shape: rectangle 30 | } 31 | deepmind: DeepMind { 32 | shape: rectangle 33 | } 34 | shape: rectangle 35 | } 36 | google -> alphabet: BELONGS_TO"; 37 | 38 | Assert.AreEqual(expected, actual); 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /test/Usings.cs: -------------------------------------------------------------------------------- 1 | global using Microsoft.VisualStudio.TestTools.UnitTesting; 2 | global using d2; --------------------------------------------------------------------------------