i have to commit at some point!

1 files changed, 77 insertions, 0 deletions

diff --git a/model/tags.go b/model/tags.go
new file mode 100644
index 0000000..e3f9f2e
--- /dev/null
+++ b/model/tags.go
@@ -0,0 +1,77 @@
+package model
+
+import (
+	"slices"
+	"strings"
+)
+
+type Tag *string
+type TagAction func(src *Source)
+
+func New(input string) Tag {
+	result := &input
+	TagMap[input] = result
+	TagList = append(TagList, result)
+	return result
+}
+
+var (
+	Here   = New("here")
+	Pre    = New("pre")
+	Post   = New("post")
+	Final  = New("final")
+	Hidden = New("hidden")
+	Single = New("single")
+)
+
+var TagList []Tag
+
+var TagMap = map[string]Tag{}
+
+type Tags []Tag
+
+func (t Tags) AnyOf(expected ...Tag) bool {
+	if len(expected) > 1 && len(t) == 0 {
+		return false
+	}
+	if len(expected) == 0 {
+		return true
+	}
+	for _, e := range expected {
+		if slices.Contains(t, e) {
+			return true
+		}
+	}
+	return false
+}
+
+func (t Tags) Has(expected Tag) bool {
+	return slices.Contains(t, expected)
+}
+
+func TagsFromFilename(filename string) Tags {
+	var tags Tags
+	// if hidden
+	if strings.HasPrefix(filename, ".") {
+		filename = strings.TrimPrefix(filename, ".")
+		tags = append(tags, Hidden)
+	}
+
+	parts := strings.Split(filename, ".")
+	if len(parts) == 1 {
+		return nil
+	}
+
+	for _, p := range parts {
+		p = strings.ToLower(p)
+		if TagMap[p] != nil {
+			tags = append(tags, TagMap[p])
+		}
+	}
+
+	return tags
+}
+
+func (t Tags) Visible() bool {
+	return !t.AnyOf(Hidden, Pre, Post, Final)
+}