tartrazine/internal/code-generator/generator/interpreters.go
Manuel Carmona b7d4be5fdd commit against tests run is fixed
renamed tmpLinguist to repoLinguist and SimpleLinguistTestSuite to EnryTestSuit in common_test.go

changed receiver's name for TestSuites to 's'

fixed comments
2017-06-26 15:35:53 +02:00

61 lines
1.7 KiB
Go

package generator
import (
"bytes"
"io"
"io/ioutil"
"strings"
"text/template"
"gopkg.in/yaml.v2"
)
// Interpreters reads from fileToParse and builds source file from tmplPath. It complies with type File signature.
func Interpreters(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
}
orderedKeys := getAlphabeticalOrderedKeys(languages)
languagesByInterpreter := buildInterpreterLanguagesMap(languages, orderedKeys)
buf := &bytes.Buffer{}
if err := executeInterpretersTemplate(buf, languagesByInterpreter, tmplPath, tmplName, commit); err != nil {
return err
}
return formatedWrite(outPath, buf.Bytes())
}
func buildInterpreterLanguagesMap(languages map[string]*languageInfo, orderedKeys []string) map[string][]string {
interpreterLangsMap := make(map[string][]string)
for _, lang := range orderedKeys {
langInfo := languages[lang]
for _, interpreter := range langInfo.Interpreters {
interpreterLangsMap[interpreter] = append(interpreterLangsMap[interpreter], lang)
}
}
return interpreterLangsMap
}
func executeInterpretersTemplate(out io.Writer, languagesByInterpreter map[string][]string, tmplPath, tmplName, commit string) error {
fmap := template.FuncMap{
"getCommit": func() string { return commit },
"formatStringSlice": func(slice []string) string { return `"` + strings.Join(slice, `","`) + `"` },
}
t := template.Must(template.New(tmplName).Funcs(fmap).ParseFiles(tmplPath))
if err := t.Execute(out, languagesByInterpreter); err != nil {
return err
}
return nil
}