feat: new color 'command', color tag system implemented

1 files changed, 32 insertions, 5 deletions

diff --git a/internal/color/color.go b/internal/color/color.go
index 8e301e4..e89acc8 100644
--- a/internal/color/color.go
+++ b/internal/color/color.go
@@ -442,6 +442,20 @@ func ExpandTags(mode string, text string) string {
 }
 
 func ExpandTagsDefault(mode string, def ColorSpec, text string) string {
+	return ExpandTagsDefaultNamed(mode, def, nil, text)
+}
+
+// ExpandTagsNamed expands {tags} in text, additionally resolving a tag whose
+// spec matches a key in named (a color category name) to that category's
+// ColorSpec. Named hits are treated as real tags even when they resolve to an
+// empty spec, so a category disabled with "off" renders its text plain instead
+// of leaking the literal tag. Any tag not present in named falls back to the
+// ordinary hex/style spec parser.
+func ExpandTagsNamed(mode string, named map[string]ColorSpec, text string) string {
+	return ExpandTagsDefaultNamed(mode, NoColor(), named, text)
+}
+
+func ExpandTagsDefaultNamed(mode string, def ColorSpec, named map[string]ColorSpec, text string) string {
 	if !strings.Contains(text, "{") {
 		if !def.Empty() {
 			return Render(mode, def, text)
@@ -491,8 +505,16 @@ func ExpandTagsDefault(mode string, def ColorSpec, text string) string {
 			continue
 		}
 
-		spec := Parse(specStr)
-		if spec.Empty() {
+		spec, isNamed := NoColor(), false
+		if named != nil {
+			if s, ok := named[specStr]; ok {
+				spec, isNamed = s, true
+			}
+		}
+		if !isNamed {
+			spec = Parse(specStr)
+		}
+		if spec.Empty() && !isNamed {
 			before := text[pos : end+1]
 			if !def.Empty() {
 				sb.WriteString(Render(mode, def, before))
@@ -534,18 +556,23 @@ func ExpandTagsDefault(mode string, def ColorSpec, text string) string {
 }
 
 func ExpandDialogTags(mode string, dialogSpec ColorSpec, text string) string {
+	return ExpandDialogTagsNamed(mode, dialogSpec, nil, text)
+}
+
+// ExpandDialogTagsNamed is ExpandDialogTags with named-color tag resolution.
+func ExpandDialogTagsNamed(mode string, dialogSpec ColorSpec, named map[string]ColorSpec, text string) string {
 	parts := strings.Split(text, `"`)
 	var sb strings.Builder
 	for i, part := range parts {
 		if i%2 == 0 {
 			if part != "" {
-				sb.WriteString(ExpandTagsDefault(mode, NoColor(), part))
+				sb.WriteString(ExpandTagsDefaultNamed(mode, NoColor(), named, part))
 			}
 		} else {
 			if i < len(parts)-1 {
-				sb.WriteString(ExpandTagsDefault(mode, dialogSpec, `"`+part+`"`))
+				sb.WriteString(ExpandTagsDefaultNamed(mode, dialogSpec, named, `"`+part+`"`))
 			} else {
-				sb.WriteString(ExpandTagsDefault(mode, dialogSpec, `"`+part))
+				sb.WriteString(ExpandTagsDefaultNamed(mode, dialogSpec, named, `"`+part))
 			}
 		}
 	}