DocExtractor

DocExtractor is a tool that reads C# source code, extracts documentation from its comments, and produces HTML or Markdown content. DocExtractor is used to generate the API documentation for Yarn Spinner.

DocExtractor uses Roslyn to read the source code, and performs a partial compilation of your source code. DocExtractor is thus able to build documentation even when the project doesn't fully build; for example, if your source code contains errors, or references to assemblies that you don't have, then DocExtractor will still be able to produce useful output.

DocExtractor is not an officially supported Yarn Spinner project. We use it internally, but we don't offer any support for its use. In particular, our current focus is on producing Markdown content for GitBook sites; other use cases are less maintained.

Usage

First, download and install the .NET runtime for your platform.

Next, clone this repository.

DocExtractor is configured via JSON files. To create a new configuration file, use the create command:

dotnet run --project src/DocExtractor.csproj -- create MyDocumentation.json

This will create a new configuration file. To build documentation, use the build command and specify the configuration file:

dotnet run --project src/DocExtractor.csproj -- build MyDocumentation.json

Configuration

The configuration file is a JSON file that supports comments.

`projects`

An array of paths to the .csproj files you want to generate documentation for.

"projects": [
    "../YarnSpinner/YarnSpinner/YarnSpinner.csproj",
    "../YarnSpinner/YarnSpinner.Compiler/YarnSpinner.Compiler.csproj",
    "../YarnSpinner-Unity/YarnSpinner.Unity.csproj"
],

`excludeRegexes`

An array of regular expressions. Any symbols in the source code that match any of these expressions will not be included in the documentation.

"excludeRegexes": [
    // Exclude certain namespaces that aren't intended for public consumption
    "^Yarn\\.Analysis",
    "^Yarn\\.Dialogue\\.Analyse",
    "^Yarn\\.Compiler\\.Graph",
    "^Yarn\\.Compiler\\.YarnSpinner(V1)?(Parser|Lexer)",
    "^Yarn\\.Compiler\\.IYarnSpinner(V1)?(Parser|Lexer)",
    "^CLDRPlurals"
]

`outputFormat`

A string. Valid values are html or markdown. Specifies the output format for the generated documentation.

html mode will generate a single HTML file containing the documentation.
markdown mode will generate a markdown file for each symbol, as well as a SUMMARY.md file that contains a table of contents. The generated markdown is designed to be used by GitBook, but other platforms can make use of it as well.

"outputFormat": "markdown"

`outputFolder`

A string containing the path to the folder that the generated source code should be placed.

"outputFolder": "/Users/desplesda/Work/YSDocs/api/csharp/"

`pathPrefix`

(Only used in Markdown mode). A string containing a prefix to use for all inter-document links.

"pathPrefix": "/api/csharp"

`namespaceSummaries`

A dictionary mapping the symbol names of namespaces to descriptions of those namespaces. (This is specified in this configuration file because C# doesn't have a way to associate XML documentation comments with namespaces.)

"namespaceSummaries": {
    "Yarn": "Contains classes for working with compiled Yarn programs.",
    "Yarn.Markup": "Contains classes for working with markup in Yarn lines.",
    "Yarn.Unity": "Contains classes for working with Yarn Spinner in the Unity game engine.",
}

`preprocessorSymbols`

An array of strings containing preprocessor definitions. These symbols will be defined during DocExtractor's compilation of the source code.

"preprocessorSymbols": [
    "USE_INPUTSYSTEM",
    "ENABLE_INPUT_SYSTEM",
    "ENABLE_LEGACY_INPUT_MANAGER",
    "USE_ADDRESSABLES"
],

`msBuildPath`

A string containing the path to MSBuild. If this is null, DocExtractor will attempt to locate MSBuild on the system automatically.

"msBuildPath": "/usr/local/share/dotnet/x64/sdk/5.0.404"

License

YarnSpinnerTool/DocExtractor

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