85 lines
2 KiB
Go
85 lines
2 KiB
Go
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package enry
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import (
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"bytes"
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"path/filepath"
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"strings"
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"github.com/src-d/enry/v2/data"
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)
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const binSniffLen = 8000
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var configurationLanguages = map[string]bool{
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"XML": true, "JSON": true, "TOML": true, "YAML": true, "INI": true, "SQL": true,
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}
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// IsConfiguration tells if filename is in one of the configuration languages.
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func IsConfiguration(path string) bool {
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language, _ := GetLanguageByExtension(path)
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_, is := configurationLanguages[language]
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return is
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}
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// IsImage tells if a given file is an image (PNG, JPEG or GIF format).
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func IsImage(path string) bool {
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extension := filepath.Ext(path)
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if extension == ".png" || extension == ".jpg" || extension == ".jpeg" || extension == ".gif" {
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return true
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}
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return false
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}
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// GetMIMEType returns a MIME type of a given file based on its languages.
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func GetMIMEType(path string, language string) string {
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if mime, ok := data.LanguagesMime[language]; ok {
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return mime
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}
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if IsImage(path) {
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return "image/" + filepath.Ext(path)[1:]
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}
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return "text/plain"
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}
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// IsDocumentation returns whether or not path is a documentation path.
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func IsDocumentation(path string) bool {
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return data.DocumentationMatchers.Match(path)
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}
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// IsDotFile returns whether or not path has dot as a prefix.
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func IsDotFile(path string) bool {
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base := filepath.Base(filepath.Clean(path))
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return strings.HasPrefix(base, ".") && base != "."
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}
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// IsVendor returns whether or not path is a vendor path.
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func IsVendor(path string) bool {
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return data.VendorMatchers.Match(path)
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}
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// IsBinary detects if data is a binary value based on:
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// http://git.kernel.org/cgit/git/git.git/tree/xdiff-interface.c?id=HEAD#n198
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func IsBinary(data []byte) bool {
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if len(data) > binSniffLen {
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data = data[:binSniffLen]
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}
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if bytes.IndexByte(data, byte(0)) == -1 {
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return false
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}
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return true
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}
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// GetColor returns a HTML color code of a given language.
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func GetColor(language string) string {
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if color, ok := data.LanguagesColor[language]; ok {
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return color
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}
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return "#cccccc"
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}
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