go-enry/utils.go
2017-04-17 11:52:11 +02:00

58 lines
1.1 KiB
Go

package slinguist
import (
"bytes"
"path/filepath"
"strings"
"gopkg.in/toqueteos/substring.v1"
)
func IsAuxiliaryLanguage(lang string) bool {
_, ok := auxiliaryLanguages[lang]
return ok
}
func IsConfiguration(path string) bool {
lang, _ := GetLanguageByExtension(path)
_, is := configurationLanguages[lang]
return is
}
func IsDotFile(path string) bool {
return strings.HasPrefix(filepath.Base(path), ".")
}
func IsVendor(path string) bool {
return findIndex(path, vendorMatchers) >= 0
}
func IsDocumentation(path string) bool {
return findIndex(path, documentationMatchers) >= 0
}
func findIndex(path string, matchers substring.StringsMatcher) int {
return matchers.MatchIndex(path)
}
const sniffLen = 8000
//IsBinary detects if data is a binary value based on:
//http://git.kernel.org/cgit/git/git.git/tree/xdiff-interface.c?id=HEAD#n198
func IsBinary(data []byte) bool {
if len(data) > sniffLen {
data = data[:sniffLen]
}
if bytes.IndexByte(data, byte(0)) == -1 {
return false
}
return true
}
var configurationLanguages = map[string]bool{
"XML": true, "JSON": true, "TOML": true, "YAML": true, "INI": true, "SQL": true,
}