all: allow multiple pattern in match-file-comment

This makes the configuration more concise where pattern can be split
into multi lines.

While at it, add more pattern to match-file-comment.

1 files changed, 21 insertions, 8 deletions

diff --git a/match_file_comment.go b/match_file_comment.go
index e5b4233..90ce22e 100644
--- a/match_file_comment.go
+++ b/match_file_comment.go
@@ -14,19 +14,22 @@ import (
 // File name that have empty Prefix and Suffix and match with the pattern will
 // have the ".license" file created.
 type matchFileComment struct {
-	rePattern *regexp.Regexp
+	Prefix string `ini:"match-file-comment::prefix"`
+	Suffix string `ini:"match-file-comment::suffix"`
 
-	Pattern string `ini:"match-file-comment::pattern"`
-	Prefix  string `ini:"match-file-comment::prefix"`
-	Suffix  string `ini:"match-file-comment::suffix"`
+	Pattern   []string `ini:"match-file-comment::pattern"`
+	rePattern []*regexp.Regexp
 }
 
 func (mfc *matchFileComment) init() (err error) {
 	var logp = `match-file-comment`
-
-	mfc.rePattern, err = regexp.Compile(mfc.Pattern)
-	if err != nil {
-		return fmt.Errorf(`%s: pattern %q: %w`, logp, mfc.Pattern, err)
+	var re *regexp.Regexp
+	for _, pattern := range mfc.Pattern {
+		re, err = regexp.Compile(pattern)
+		if err != nil {
+			return fmt.Errorf(`%s: pattern %q: %w`, logp, pattern, err)
+		}
+		mfc.rePattern = append(mfc.rePattern, re)
 	}
 	return nil
 }
@@ -34,3 +37,13 @@ func (mfc *matchFileComment) init() (err error) {
 func (mfc *matchFileComment) isDirectLicense() bool {
 	return mfc.Prefix == `` && mfc.Suffix == ``
 }
+
+// isMatch return true if the filename match with one of the pattern.
+func (mfc *matchFileComment) isMatch(filename string) bool {
+	for _, re := range mfc.rePattern {
+		if re.MatchString(filename) {
+			return true
+		}
+	}
+	return false
+}