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common: Return nil on empty filenames

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Signed-off-by: Alfredo Beaumont <alfredo.beaumont@gmail.com>
This commit is contained in:
Alfredo Beaumont 2017-12-07 16:45:19 +01:00
parent a7cfa65953
commit c590beb039
1 changed files with 8 additions and 0 deletions
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8
common.go
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@ -266,6 +266,10 @@ func GetLanguagesByVimModeline(_ string, content []byte, _ []string) []string {
// GetLanguagesByFilename returns a slice of possible languages for the given filename.
// It complies with the signature to be a Strategy type.
func GetLanguagesByFilename(filename string, _ []byte, _ []string) []string {
if filename == "" {
return nil
}
return data.LanguagesByFilename[filepath.Base(filename)]
}
@ -385,6 +389,10 @@ func getDotIndexes(filename string) []int {
// GetLanguagesByContent returns a slice of possible languages for the given content.
// It complies with the signature to be a Strategy type.
func GetLanguagesByContent(filename string, content []byte, _ []string) []string {
if filename == "" {
return nil
}
ext := strings.ToLower(filepath.Ext(filename))
fnMatcher, ok := data.ContentMatchers[ext]
if !ok {