Merge pull request #26 from mcarmonaa/modelines

Added Modeline detection strategy

alias.go

@@ -0,0 +1,15 @@
+package slinguist
+
+import "strings"
+
+// GetLanguageByAlias returns the language related to the given alias or Otherlanguage otherwise.
+func GetLanguageByAlias(alias string) (lang string) {
+	a := strings.Split(alias, `,`)[0]
+	a = strings.ToLower(a)
+	lang, ok := languagesByAlias[a]
+	if !ok {
+		lang = OtherLanguage
+	}
+
+	return
+}

alias_test.go

@@ -0,0 +1,26 @@
+package slinguist
+
+import . "gopkg.in/check.v1"
+
+func (s *TSuite) TestGetLanguageByAlias(c *C) {
+	tests := []struct {
+		alias        string
+		expectedLang string
+	}{
+		{alias: "BestLanguageEver", expectedLang: OtherLanguage},
+		{alias: "aspx-vb", expectedLang: "ASP"},
+		{alias: "C++", expectedLang: "C++"},
+		{alias: "c++", expectedLang: "C++"},
+		{alias: "objc", expectedLang: "Objective-C"},
+		{alias: "golang", expectedLang: "Go"},
+		{alias: "GOLANG", expectedLang: "Go"},
+		{alias: "bsdmake", expectedLang: "Makefile"},
+		{alias: "xhTmL", expectedLang: "HTML"},
+		{alias: "python", expectedLang: "Python"},
+	}
+
+	for _, test := range tests {
+		lang := GetLanguageByAlias(test.alias)
+		c.Assert(lang, Equals, test.expectedLang)
+	}
+}