1 files changed, 42 insertions, 0 deletions
diff --git a/match_file_comment.go b/match_file_comment.go
new file mode 100644
index 0000000..ac2db29
--- /dev/null
+++ b/match_file_comment.go
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-3.0-only
+// SPDX-FileCopyrightText: 2026 M. Shulhan <ms@kilabit.info>
+
+package spdxconv
+
+import (
+	"fmt"
+	"regexp"
+)
+
+// matchFileComment define the configuration to set the file comment prefix
+// and suffix based on pattern on file name.
+//
+// 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
+
+	Pattern string `ini:"match-file-comment::pattern"`
+	Prefix  string `ini:"match-file-comment::prefix"`
+	Suffix  string `ini:"match-file-comment::suffix"`
+}
+
+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)
+	}
+	if mfc.Prefix != `` && mfc.Prefix[len(mfc.Prefix)-1] != ' ' {
+		mfc.Prefix += ` `
+	}
+	if mfc.Suffix != `` && mfc.Suffix[0] != ' ' {
+		mfc.Suffix = ` ` + mfc.Suffix
+	}
+	return nil
+}
+
+func (mfc *matchFileComment) isDirectLicense() bool {
+	return mfc.Prefix == `` && mfc.Suffix == ``
+}