move content.go generation to internal

internal/code-generator/assets/content.go.tmpl

@@ -0,0 +1,51 @@
+package slinguist
+
+// CODE GENERATED AUTOMATICALLY WITH github.com/src-d/simple-linguist/cli/slinguist-generate
+// THIS FILE SHOULD NOT BE EDITED BY HAND
+// Extracted from github/linguist commit: {{ getCommit }}
+
+import (
+	"path/filepath"
+	"regexp"
+	"strings"
+)
+
+func GetLanguageByContent(filename string, content []byte) (lang string, safe bool) {
+	ext := strings.ToLower(filepath.Ext(filename))
+	if fnMatcher, ok := matchers[ext]; ok {
+		lang, safe = fnMatcher(content)
+		return
+	}
+
+	return GetLanguageByExtension(filename)
+}
+
+type languageMatcher func ([]byte) (string, bool)
+
+var matchers = map[string]languageMatcher{
+	{{ range $index, $disambiguator := . -}}
+	{{ printf "%q" $disambiguator.Extension }}: func(i []byte) (string, bool) {
+		{{ range $i, $language := $disambiguator.Languages -}}
+
+		{{- if not (avoidLanguage $language) }}
+		{{- if gt (len $language.Heuristics) 0 }}
+		{{- if gt $i 0 }} else {{ end -}} 
+		if {{- range $j, $heuristic := $language.Heuristics }} {{ $heuristic.Name }}.Match(i) 
+		{{- if lt $j (len $language.LogicRelations) }} {{index $language.LogicRelations $j}} {{- end -}} {{ end }} {
+			return {{ printf "%q" $language.Language }}, true
+		}
+		
+		{{- end -}}
+		{{- end -}}
+		{{- end}}
+	
+		return {{ returnLanguage $disambiguator.Languages }}, {{ safeLanguage $disambiguator.Languages }}
+	},
+	{{ end -}}
+}
+
+var (
+    {{ range $index, $heuristic := getAllHeuristics . -}}
+    {{ $heuristic.Name }} = regexp.MustCompile(`{{ $heuristic.Regexp }}`)
+    {{ end -}}
+)