1 files changed, 71 insertions, 0 deletions
diff --git a/vendor/codeberg.org/gruf/go-split/join_util.go b/vendor/codeberg.org/gruf/go-split/join_util.go
new file mode 100644
index 000000000..e517fe908
--- /dev/null
+++ b/vendor/codeberg.org/gruf/go-split/join_util.go
@@ -0,0 +1,71 @@
+package split
+
+import (
+	"strconv"
+	"strings"
+)
+
+// singleTermLine: beyond a certain length of string, all of the
+// extra checks to handle quoting/not-quoting add a significant
+// amount of extra processing time. Quoting in this manner only really
+// effects readability on a single line, so a max string length that
+// encompasses the maximum number of columns on *most* terminals was
+// selected. This was chosen using the metric that 1080p is one of the
+// most common display resolutions, and that a relatively small font size
+// of 7 requires ~ 223 columns. So 256 should be >= $COLUMNS (fullscreen)
+// in 99% of usecases (these figures all pulled out of my ass).
+const singleTermLine = 256
+
+// appendQuote will append 'str' to 'buf', double quoting and escaping if needed.
+func appendQuote(buf []byte, str string) []byte {
+	switch {
+	case len(str) > singleTermLine || !strconv.CanBackquote(str):
+		// Append quoted and escaped string
+		return strconv.AppendQuote(buf, str)
+
+	case (strings.IndexByte(str, '"') != -1):
+		// Double quote and escape string
+		buf = append(buf, '"')
+		buf = appendEscape(buf, str)
+		buf = append(buf, '"')
+		return buf
+
+	case (strings.IndexByte(str, ',') != -1):
+		// Double quote this string as-is
+		buf = append(buf, '"')
+		buf = append(buf, str...)
+		buf = append(buf, '"')
+		return buf
+
+	default:
+		// Append string as-is
+		return append(buf, str...)
+	}
+}
+
+// appendEscape will append 'str' to 'buf' and escape any double quotes.
+func appendEscape(buf []byte, str string) []byte {
+	var delim bool
+	for i := range str {
+		switch {
+		case str[i] == '\\' && !delim:
+			// Set delim flag
+			delim = true
+
+		case str[i] == '"' && !delim:
+			// Append escaped double quote
+			buf = append(buf, `\"`...)
+
+		case delim:
+			// Append skipped slash
+			buf = append(buf, `\`...)
+			delim = false
+			fallthrough
+
+		default:
+			// Append char as-is
+			buf = append(buf, str[i])
+		}
+	}
+	return buf
+}