Big refactor of how source files are used. Also added default destination extension option.

helpers/general.go

@@ -15,43 +15,14 @@ package helpers
 
 import (
 	"bytes"
+	"crypto/md5"
+	"encoding/hex"
 	"fmt"
+	"io"
 	"net"
 	"strings"
 )
 
-func StripHTML(s string) string {
-	output := ""
-
-	// Shortcut strings with no tags in them
-	if !strings.ContainsAny(s, "<>") {
-		output = s
-	} else {
-		s = strings.Replace(s, "\n", " ", -1)
-		s = strings.Replace(s, "</p>", " \n", -1)
-		s = strings.Replace(s, "<br>", " \n", -1)
-		s = strings.Replace(s, "</br>", " \n", -1)
-
-		// Walk through the string removing all tags
-		b := new(bytes.Buffer)
-		inTag := false
-		for _, r := range s {
-			switch r {
-			case '<':
-				inTag = true
-			case '>':
-				inTag = false
-			default:
-				if !inTag {
-					b.WriteRune(r)
-				}
-			}
-		}
-		output = b.String()
-	}
-	return output
-}
-
 func FindAvailablePort() (*net.TCPAddr, error) {
 	l, err := net.Listen("tcp", ":0")
 	if err == nil {
@@ -64,3 +35,42 @@ func FindAvailablePort() (*net.TCPAddr, error) {
 	}
 	return nil, err
 }
+
+func GuessType(in string) string {
+	switch strings.ToLower(in) {
+	case "md", "markdown", "mdown":
+		return "markdown"
+	case "rst":
+		return "rst"
+	case "html", "htm":
+		return "html"
+	}
+
+	return "unknown"
+}
+
+func ReaderToBytes(lines io.Reader) []byte {
+	b := new(bytes.Buffer)
+	b.ReadFrom(lines)
+	return b.Bytes()
+}
+
+// sliceToLower goes through the source slice and lowers all values.
+func SliceToLower(s []string) []string {
+	if s == nil {
+		return nil
+	}
+
+	l := make([]string, len(s))
+	for i, v := range s {
+		l[i] = strings.ToLower(v)
+	}
+
+	return l
+}
+
+func Md5String(f string) string {
+	h := md5.New()
+	h.Write([]byte(f))
+	return hex.EncodeToString(h.Sum([]byte{}))
+}