- [+] add indent & pad indent

Author: suntong

t_strings_test.go

@@ -183,6 +183,22 @@ func TestStringManipulation(t *testing.T) {
 		// 	"a PEACH",
 		// },
 		// == my added strings functions
+		{
+			`{{ indent 2 "a" }}`,
+			"a",
+		},
+		{
+			`{{ indent 2 "a\nb\nc" }}`,
+			"a\n  b\n  c",
+		},
+		{
+			`{{ pindent 2 "a" }}`,
+			"  a",
+		},
+		{
+			`{{ pindent 2 "a\nb\nc" }}`,
+			"  a\n  b\n  c",
+		},
 		{
 			`{{ coalesce "a" }}`,
 			"a",

template.go

@@ -178,6 +178,8 @@ var egFuncMap = FuncMap{
 	// == my added functions
 	"ENV":         os.Getenv,
 	"substr":      Substr,
+	"indent":      Indent,
+	"pindent":     PIndent,
 	"coalesce":    Coalesce,
 	"quote4shell": Quote4shell,
 

tf-strings.go

@@ -150,6 +150,18 @@ func RegexpSplit(s string, regExp string, n int) []string {
 ////////////////////////////////////////////////////////////////////////////
 // Misc
 
+// Indent will indent the following lines according to the specified spaces
+func Indent(spaces int, v string) string {
+	pad := strings.Repeat(" ", spaces)
+	return strings.Replace(v, "\n", "\n"+pad, -1)
+}
+
+// PIndent will indent all lines according to the specified spaces
+func PIndent(spaces int, v string) string {
+	pad := strings.Repeat(" ", spaces)
+	return pad + Indent(spaces, v)
+}
+
 // Coalesce function takes two or more string arguments and returns the first argument that is not empty.
 // The result is empty only if all the arguments are empty.
 func Coalesce(s ...interface{}) string {