tartrazine/utils.go
Huitse Tai a786f6175e patch IsDotFile function compatible with both '.' and '..'
Signed-off-by: Huitse Tai <geb.1989@gmail.com>
2017-10-18 12:50:33 +08:00

108 lines
2.9 KiB
Go

package enry
import (
"bytes"
"path/filepath"
"strings"
"gopkg.in/src-d/enry.v1/data"
)
var (
auxiliaryLanguages = map[string]bool{
"Other": true, "XML": true, "YAML": true, "TOML": true, "INI": true,
"JSON": true, "TeX": true, "Public Key": true, "AsciiDoc": true,
"AGS Script": true, "VimL": true, "Diff": true, "CMake": true, "fish": true,
"Awk": true, "Graphviz (DOT)": true, "Markdown": true, "desktop": true,
"XSLT": true, "SQL": true, "RMarkdown": true, "IRC log": true,
"reStructuredText": true, "Twig": true, "CSS": true, "Batchfile": true,
"Text": true, "HTML+ERB": true, "HTML": true, "Gettext Catalog": true,
"Smarty": true, "Raw token data": true,
}
configurationLanguages = map[string]bool{
"XML": true, "JSON": true, "TOML": true, "YAML": true, "INI": true, "SQL": true,
}
)
// IsAuxiliaryLanguage returns whether or not lang is an auxiliary language.
func IsAuxiliaryLanguage(lang string) bool {
_, ok := auxiliaryLanguages[lang]
return ok
}
// IsConfiguration returns whether or not path is using a configuration language.
func IsConfiguration(path string) bool {
language, _ := GetLanguageByExtension(path)
_, is := configurationLanguages[language]
return is
}
// IsDotFile returns whether or not path has dot as a prefix.
func IsDotFile(path string) bool {
path = filepath.Clean(path)
base := filepath.Base(path)
return strings.HasPrefix(base, ".") && base != "." && base != ".."
}
// IsVendor returns whether or not path is a vendor path.
func IsVendor(path string) bool {
return data.VendorMatchers.Match(path)
}
// IsDocumentation returns whether or not path is a documentation path.
func IsDocumentation(path string) bool {
return data.DocumentationMatchers.Match(path)
}
func IsImage(path string) bool {
extension := filepath.Ext(path)
if extension == ".png" || extension == ".jpg" || extension == ".jpeg" || extension == ".gif" {
return true
}
return false
}
func GetMimeType(path string, language string) string {
if mime, ok := data.LanguagesMime[language]; ok {
return mime
}
if IsImage(path) {
return "image/" + filepath.Ext(path)[1:]
}
return "text/plain"
}
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
}
// FileCount type stores language name and count of files belonging to the
// language.
type FileCount struct {
Name string
Count int
}
// FileCountList type is a list of FileCounts.
type FileCountList []FileCount
func (fcl FileCountList) Len() int { return len(fcl) }
func (fcl FileCountList) Less(i, j int) bool { return fcl[i].Count < fcl[j].Count }
func (fcl FileCountList) Swap(i, j int) { fcl[i], fcl[j] = fcl[j], fcl[i] }