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Expose LanguageInfo with all Linguist data

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As discussed in https://github.com/go-enry/go-enry/issues/54, this provides an
API for accessing a LanguageInfo struct which is populated with all the data
from the Linguist YAML source file. Functions are provided to access the
LanguageInfo by name or ID.

The other top-level functions like GetLanguageExtensions, GetLanguageGroup, etc.
could in principle be implemented using this structure, which would simplify the
code generation. But that would be a big change so I didn't do any of that.
Perhaps in the next major version something like that would make sense.
This commit is contained in:
Luke Francl
2021-10-11 13:32:29 -07:00
parent adb553dc50
commit b248b21349
10 changed files with 26979 additions and 18 deletions
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57
internal/code-generator/generator/langinfo.go
View File

@ -1,17 +1,29 @@
package generator
import "sort"
import (
"bytes"
"io"
"io/ioutil"
"sort"
"gopkg.in/yaml.v2"
)
type languageInfo struct {
Type string `yaml:"type,omitempty"`
Color string `yaml:"color,omitempty"`
Group string `yaml:"group,omitempty"`
Aliases []string `yaml:"aliases,omitempty"`
Extensions []string `yaml:"extensions,omitempty,flow"`
Interpreters []string `yaml:"interpreters,omitempty,flow"`
Filenames []string `yaml:"filenames,omitempty,flow"`
MimeType string `yaml:"codemirror_mime_type,omitempty,flow"`
LanguageID *int `yaml:"language_id,omitempty"`
FSName string `yaml:"fs_name"`
Type string `yaml:"type,omitempty"`
Color string `yaml:"color,omitempty"`
Group string `yaml:"group,omitempty"`
Aliases []string `yaml:"aliases,omitempty"`
Extensions []string `yaml:"extensions,omitempty,flow"`
Interpreters []string `yaml:"interpreters,omitempty,flow"`
Filenames []string `yaml:"filenames,omitempty,flow"`
MimeType string `yaml:"codemirror_mime_type,omitempty,flow"`
TMScope string `yaml:"tm_scope"`
AceMode string `yaml:"ace_mode"`
CodemirrorMode string `yaml:"codemirror_mode"`
Wrap bool `yaml:"wrap"`
LanguageID *int `yaml:"language_id,omitempty"`
}
func getAlphabeticalOrderedKeys(languages map[string]*languageInfo) []string {
@ -23,3 +35,28 @@ func getAlphabeticalOrderedKeys(languages map[string]*languageInfo) []string {
sort.Strings(keyList)
return keyList
}
// LanguageInfo generates maps in Go with language name -> LanguageInfo and language ID -> LanguageInfo.
// It is of generator.File type.
func LanguageInfo(fileToParse, samplesDir, outPath, tmplPath, tmplName, commit string) error {
data, err := ioutil.ReadFile(fileToParse)
if err != nil {
return err
}
languages := make(map[string]*languageInfo)
if err := yaml.Unmarshal(data, &languages); err != nil {
return err
}
buf := &bytes.Buffer{}
if err := executeLanguageInfoTemplate(buf, languages, tmplPath, tmplName, commit); err != nil {
return err
}
return formatedWrite(outPath, buf.Bytes())
}
func executeLanguageInfoTemplate(out io.Writer, languages map[string]*languageInfo, tmplPath, tmplName, commit string) error {
return executeTemplate(out, tmplName, tmplPath, commit, nil, languages) // TODO: use function map to put language by id?
}