1 files changed, 61 insertions, 0 deletions
diff --git a/cmd/podmanV2/report/templates.go b/cmd/podmanV2/report/templates.go
new file mode 100644
index 000000000..dc43d4f9b
--- /dev/null
+++ b/cmd/podmanV2/report/templates.go
@@ -0,0 +1,61 @@
+package report
+
+import (
+	"strings"
+	"text/template"
+	"time"
+
+	"github.com/docker/go-units"
+)
+
+var defaultFuncMap = template.FuncMap{
+	"ellipsis": func(s string, length int) string {
+		if len(s) > length {
+			return s[:length-3] + "..."
+		}
+		return s
+	},
+	// TODO: Remove on Go 1.14 port
+	"slice": func(s string, i, j int) string {
+		if i > j || len(s) < i {
+			return s
+		}
+		if len(s) < j {
+			return s[i:]
+		}
+		return s[i:j]
+	},
+	"toRFC3339": func(t int64) string {
+		return time.Unix(t, 0).Format(time.RFC3339)
+	},
+	"toHumanDuration": func(t int64) string {
+		return units.HumanDuration(time.Since(time.Unix(t, 0))) + " ago"
+	},
+	"toHumanSize": func(sz int64) string {
+		return units.HumanSize(float64(sz))
+	},
+}
+
+func ReportHeader(columns ...string) []byte {
+	hdr := make([]string, len(columns))
+	for i, h := range columns {
+		hdr[i] = strings.ToUpper(h)
+	}
+	return []byte(strings.Join(hdr, "\t") + "\n")
+}
+
+func AppendFuncMap(funcMap template.FuncMap) template.FuncMap {
+	merged := PodmanTemplateFuncs()
+	for k, v := range funcMap {
+		merged[k] = v
+	}
+	return merged
+}
+
+func PodmanTemplateFuncs() template.FuncMap {
+	merged := make(template.FuncMap)
+	for k, v := range defaultFuncMap {
+		merged[k] = v
+	}
+	return merged
+}