From 40fbd387126d6d5be4db0a8bd9d644e3b0b518e9 Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Thu, 27 Mar 2025 17:55:56 -0500
Subject: clean comment reparser

---
 protoReformat.go | 58 +++++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 51 insertions(+), 7 deletions(-)

(limited to 'protoReformat.go')

diff --git a/protoReformat.go b/protoReformat.go
index 962e7b2..6afb93f 100644
--- a/protoReformat.go
+++ b/protoReformat.go
@@ -54,8 +54,6 @@ func protoReformatComments(filename string) error {
 	}
 
 	var newfile string
-	newfile = commentPreprocessorFull(string(data))
-	saveFile(filename, newfile)
 
 	log.Info("filename", filename)
 	alltest := makeLineIter(data)
@@ -64,7 +62,7 @@ func protoReformatComments(filename string) error {
 		newfile += fmt.Sprintln(commentPreprocessor(line))
 	}
 	newfile = commentPreprocessorFull(newfile)
-	// saveFile(filename, newfile)
+	saveFile(filename, newfile)
 	return nil
 }
 
@@ -476,14 +474,13 @@ func (it *LinesScanner) NextRaw() string {
 	return it.things[it.index-1]
 }
 
-// cleans out comments
+// trims whitespace
 func (it *LinesScanner) Next() string {
 	if it.index-1 == len(it.things) {
 		fmt.Println("Next() error in LinesScanner", it.index)
 	}
 	// out := commentPreprocessor(it.things[it.index-1])
 	out := it.things[it.index-1]
-	out = commentPreprocessor(out)
 	return strings.TrimSpace(out)
 	// return out
 }
@@ -527,9 +524,56 @@ func commentPreprocessor(line string) string {
 // thing
 func commentPreprocessorFull(full string) string {
 	// Match all /* comment */ blocks
-	re := regexp.MustCompile(`/\*([^*]+)\*/`)
+	// re := regexp.MustCompile(`/\*([^*]+)\*/`)
+	re := regexp.MustCompile(`(?s)/\*(.*?)\*/`)
 
 	return re.ReplaceAllStringFunc(full, func(s string) string {
-		return strings.ToUpper(s)
+		log.Info("FOUND:\n", s)
+		lines := strings.Split(s, "\n")
+		var cleaned []string
+
+		for _, line := range lines {
+			trimmed := strings.TrimSpace(line)
+
+			switch {
+			case strings.HasPrefix(trimmed, "/*"):
+				trimmed = trimCommentPrefix(trimmed)
+			case strings.HasPrefix(trimmed, "*/"):
+				trimmed = strings.TrimPrefix(trimmed, "*/")
+			case strings.HasPrefix(trimmed, "*"):
+				trimmed = strings.TrimPrefix(trimmed, "*")
+			}
+			trimmed = "// " + trimmed
+
+			cleaned = append(cleaned, strings.TrimSpace(trimmed))
+		}
+
+		s = strings.Join(cleaned, "\n")
+		log.Info("NOW:\n", s)
+		return s
 	})
 }
+
+func trimCommentPrefix(line string) string {
+	trimmed := strings.TrimSpace(line)
+
+	if strings.HasPrefix(trimmed, "/") {
+		i := 1
+		for i < len(trimmed) && trimmed[i] == '*' {
+			i++
+		}
+		if i > 1 {
+			return strings.TrimSpace(trimmed[i:])
+		}
+	}
+
+	if strings.HasPrefix(trimmed, "*") {
+		return strings.TrimSpace(trimmed[1:])
+	}
+
+	if trimmed == "*/" {
+		return ""
+	}
+
+	return trimmed
+}
-- 
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