66 lines
1.2 KiB
Go
66 lines
1.2 KiB
Go
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package sql3util
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import "strings"
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// NamedArg splits an named arg into a key and value,
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// around an equals sign.
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// Spaces are trimmed around both key and value.
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func NamedArg(arg string) (key, val string) {
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key, val, _ = strings.Cut(arg, "=")
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key = strings.TrimSpace(key)
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val = strings.TrimSpace(val)
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return
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}
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// Unquote unquotes a string.
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//
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// https://sqlite.org/lang_keywords.html
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func Unquote(val string) string {
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if len(val) < 2 {
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return val
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}
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fst := val[0]
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lst := val[len(val)-1]
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rst := val[1 : len(val)-1]
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if fst == '[' && lst == ']' {
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return rst
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}
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if fst != lst {
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return val
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}
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var old, new string
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switch fst {
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default:
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return val
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case '`':
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old, new = "``", "`"
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case '"':
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old, new = `""`, `"`
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case '\'':
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old, new = `''`, `'`
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}
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return strings.ReplaceAll(rst, old, new)
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}
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// ParseBool parses a boolean.
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//
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// https://sqlite.org/pragma.html#syntax
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func ParseBool(s string) (b, ok bool) {
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if len(s) == 0 {
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return false, false
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}
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if s[0] == '0' {
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return false, true
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}
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if '1' <= s[0] && s[0] <= '9' {
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return true, true
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}
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switch strings.ToLower(s) {
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case "true", "yes", "on":
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return true, true
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case "false", "no", "off":
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return false, true
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}
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return false, false
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}
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