github.com/zkry/enry@v1.6.3/internal/code-generator/generator/types.go (about)

     1  package generator
     2  
     3  import (
     4  	"bytes"
     5  	"io"
     6  	"io/ioutil"
     7  	"text/template"
     8  
     9  	yaml "gopkg.in/yaml.v2"
    10  )
    11  
    12  var typeToTypeConst = map[string]int{
    13  	"data":        1,
    14  	"programming": 2,
    15  	"markup":      3,
    16  	"prose":       4,
    17  }
    18  
    19  // Types reads from fileToParse and builds source file from tmplPath. It complies with type File signature.
    20  func Types(fileToParse, samplesDir, outPath, tmplPath, tmplName, commit string) error {
    21  	data, err := ioutil.ReadFile(fileToParse)
    22  	if err != nil {
    23  		return err
    24  	}
    25  
    26  	languages := make(map[string]*languageInfo)
    27  	if err := yaml.Unmarshal(data, &languages); err != nil {
    28  		return err
    29  	}
    30  
    31  	langTypeMap := buildLanguageTypeMap(languages)
    32  
    33  	buf := &bytes.Buffer{}
    34  	if err := executeTypesTemplate(buf, langTypeMap, tmplPath, tmplName, commit); err != nil {
    35  		return err
    36  	}
    37  
    38  	return formatedWrite(outPath, buf.Bytes())
    39  }
    40  
    41  func buildLanguageTypeMap(languages map[string]*languageInfo) map[string]int {
    42  	langTypeMap := make(map[string]int)
    43  	for lang, info := range languages {
    44  		langTypeMap[lang] = typeToTypeConst[info.Type]
    45  	}
    46  
    47  	return langTypeMap
    48  }
    49  
    50  func executeTypesTemplate(out io.Writer, langTypeMap map[string]int, tmplPath, tmplName, commit string) error {
    51  	fmap := template.FuncMap{
    52  		"getCommit": func() string { return commit },
    53  	}
    54  
    55  	t := template.Must(template.New(tmplName).Funcs(fmap).ParseFiles(tmplPath))
    56  	if err := t.Execute(out, langTypeMap); err != nil {
    57  		return err
    58  	}
    59  
    60  	return nil
    61  }