Move parsing utilities to a separate file

src/parsing/embed.go

@@ -96,57 +96,6 @@ func (s embedParser) previewOrLegitEmbed(name string, legitHtml string) string {
 	return legitHtml
 }
 
-func extract(re *regexp.Regexp, src []byte, subexpName string) []byte {
-	m := re.FindSubmatch(src)
-	if m == nil {
-		return nil
-	}
-	return m[re.SubexpIndex(subexpName)]
-}
-
-func extractMap(re *regexp.Regexp, src []byte) map[string][]byte {
-	m := re.FindSubmatch(src)
-	if m == nil {
-		return nil
-	}
-	res := make(map[string][]byte)
-	for _, name := range re.SubexpNames() {
-		if name != "" {
-			i := re.SubexpIndex(name)
-			res[name] = m[i]
-		}
-	}
-	res["all"] = m[0]
-	return res
-}
-
-func extractAll(re *regexp.Regexp, src []byte, subexpName string) [][]byte {
-	m := re.FindAllSubmatch(src, -1)
-	if m == nil {
-		return nil
-	}
-	return m[re.SubexpIndex(subexpName)]
-}
-
-func extractAllMap(re *regexp.Regexp, src []byte) map[string][][]byte {
-	m := re.FindAllSubmatch(src, -1)
-	if m == nil {
-		return nil
-	}
-	res := make(map[string][][]byte)
-	for i, name := range re.SubexpNames() {
-		if name != "" {
-			var vals [][]byte
-			for _, specificMatch := range m {
-				vals = append(vals, specificMatch[i])
-			}
-			res[name] = vals
-		}
-	}
-	res["all"] = m[0]
-	return res
-}
-
 func makeYoutubeEmbed(vid string, preview bool) string {
 	if preview {
 		return `

src/parsing/util.go

@@ -0,0 +1,54 @@
+package parsing
+
+import "regexp"
+
+func extract(re *regexp.Regexp, src []byte, subexpName string) []byte {
+	m := re.FindSubmatch(src)
+	if m == nil {
+		return nil
+	}
+	return m[re.SubexpIndex(subexpName)]
+}
+
+func extractMap(re *regexp.Regexp, src []byte) map[string][]byte {
+	m := re.FindSubmatch(src)
+	if m == nil {
+		return nil
+	}
+	res := make(map[string][]byte)
+	for _, name := range re.SubexpNames() {
+		if name != "" {
+			i := re.SubexpIndex(name)
+			res[name] = m[i]
+		}
+	}
+	res["all"] = m[0]
+	return res
+}
+
+func extractAll(re *regexp.Regexp, src []byte, subexpName string) [][]byte {
+	m := re.FindAllSubmatch(src, -1)
+	if m == nil {
+		return nil
+	}
+	return m[re.SubexpIndex(subexpName)]
+}
+
+func extractAllMap(re *regexp.Regexp, src []byte) map[string][][]byte {
+	m := re.FindAllSubmatch(src, -1)
+	if m == nil {
+		return nil
+	}
+	res := make(map[string][][]byte)
+	for i, name := range re.SubexpNames() {
+		if name != "" {
+			var vals [][]byte
+			for _, specificMatch := range m {
+				vals = append(vals, specificMatch[i])
+			}
+			res[name] = vals
+		}
+	}
+	res["all"] = m[0]
+	return res
+}