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132 lines
3.0 KiB
Markdown
Vendored
132 lines
3.0 KiB
Markdown
Vendored
![Build Status](https://github.com/editorconfig/editorconfig-core-go/workflows/.github/workflows/main.yml/badge.svg)
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[![GoDoc](https://godoc.org/github.com/editorconfig/editorconfig-core-go?status.svg)](https://godoc.org/github.com/editorconfig/editorconfig-core-go)
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[![Go Report Card](https://goreportcard.com/badge/github.com/editorconfig/editorconfig-core-go)](https://goreportcard.com/report/github.com/editorconfig/editorconfig-core-go)
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# Editorconfig Core Go
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A [Editorconfig][editorconfig] file parser and manipulator for Go.
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## Missing features
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- escaping comments in values, probably in [go-ini/ini](https://github.com/go-ini/ini)
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- [adjacent nested braces](https://github.com/editorconfig/editorconfig-core-test/pull/44)
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## Installing
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We recommend the use of Go 1.13+ modules for this package.
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Import by the same path. The package name you will use to access it is
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`editorconfig`.
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```go
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import "github.com/editorconfig/editorconfig-core-go/v2"
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```
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## Usage
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### Parse from file
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```go
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fp, err := os.Open("path/to/.editorconfig")
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if err != nil {
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log.Fatal(err)
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}
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defer fp.Close()
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editorConfig, err := editorconfig.Parse(fp)
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if err != nil {
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log.Fatal(err)
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}
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```
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### Parse from slice of bytes
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```go
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data := []byte("...")
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editorConfig, err := editorconfig.ParseBytes(data)
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if err != nil {
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log.Fatal(err)
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}
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```
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### Get definition to a given filename
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This method builds a definition to a given filename.
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This definition is a merge of the properties with selectors that matched the
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given filename.
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The lasts sections of the file have preference over the priors.
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```go
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def := editorConfig.GetDefinitionForFilename("my/file.go")
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```
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This definition have the following properties:
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```go
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type Definition struct {
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Selector string
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Charset string
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IndentStyle string
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IndentSize string
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TabWidth int
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EndOfLine string
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TrimTrailingWhitespace *bool
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InsertFinalNewline *bool
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Raw map[string]string
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}
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```
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#### Automatic search for `.editorconfig` files
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If you want a definition of a file without having to manually
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parse the `.editorconfig` files, you can then use the static version
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of `GetDefinitionForFilename`:
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```go
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def, err := editorconfig.GetDefinitionForFilename("foo/bar/baz/my-file.go")
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```
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In the example above, the package will automatically search for
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`.editorconfig` files on:
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- `foo/bar/baz/.editorconfig`
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- `foo/baz/.editorconfig`
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- `foo/.editorconfig`
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Until it reaches a file with `root = true` or the root of the filesystem.
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### Generating a .editorconfig file
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You can easily convert a Editorconfig struct to a compatible INI file:
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```go
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// serialize to slice of bytes
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data, err := editorConfig.Serialize()
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if err != nil {
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log.Fatal(err)
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}
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// save directly to file
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err := editorConfig.Save("path/to/.editorconfig")
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if err != nil {
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log.Fatal(err)
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}
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```
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## Contributing
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To run the tests:
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```bash
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go test -v ./...
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```
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To run the [integration tests](https://github.com/editorconfig/editorconfig-core-test):
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```
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make test-core
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```
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[editorconfig]: https://editorconfig.org/
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