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Diffstat (limited to 'vendor/codeberg.org/gruf/go-kv/format/util.go')
-rw-r--r--vendor/codeberg.org/gruf/go-kv/format/util.go56
1 files changed, 56 insertions, 0 deletions
diff --git a/vendor/codeberg.org/gruf/go-kv/format/util.go b/vendor/codeberg.org/gruf/go-kv/format/util.go
new file mode 100644
index 000000000..c4c42329e
--- /dev/null
+++ b/vendor/codeberg.org/gruf/go-kv/format/util.go
@@ -0,0 +1,56 @@
+package format
+
+import (
+ "strings"
+ "unsafe"
+)
+
+// ContainsSpaceOrTab checks if "s" contains space or tabs.
+func ContainsSpaceOrTab(s string) bool {
+ if i := strings.IndexByte(s, ' '); i != -1 {
+ return true // note using indexbyte as it is ASM.
+ } else if i := strings.IndexByte(s, '\t'); i != -1 {
+ return true
+ }
+ return false
+}
+
+// ContainsDoubleQuote checks if "s" contains a double quote.
+func ContainsDoubleQuote(s string) bool {
+ return (strings.IndexByte(s, '"') != -1)
+}
+
+// AppendEscape will append 's' to 'dst' and escape any double quotes.
+func AppendEscape(dst []byte, str string) []byte {
+ var delim bool
+ for i := range str {
+ if str[i] == '\\' && !delim {
+ // Set delim flag
+ delim = true
+ continue
+ } else if str[i] == '"' && !delim {
+ // Append escaped double quote
+ dst = append(dst, `\"`...)
+ continue
+ } else if delim {
+ // Append skipped slash
+ dst = append(dst, `\`...)
+ delim = false
+ }
+
+ // Append char as-is
+ dst = append(dst, str[i])
+ }
+ return dst
+}
+
+// isNil will safely check if 'v' is nil without dealing with weird Go interface nil bullshit.
+func isNil(i interface{}) bool {
+ type eface struct{ _type, data unsafe.Pointer } //nolint
+ return (*(*eface)(unsafe.Pointer(&i))).data == nil //nolint
+}
+
+// b2s converts a byteslice to string without allocation.
+func b2s(b []byte) string {
+ return *(*string)(unsafe.Pointer(&b))
+}