gotosocial/vendor/github.com/ncruces/go-sqlite3/driver/util.go

75 lines
1.1 KiB
Go

package driver
import "database/sql/driver"
func namedValues(args []driver.Value) []driver.NamedValue {
named := make([]driver.NamedValue, len(args))
for i, v := range args {
named[i] = driver.NamedValue{
Ordinal: i + 1,
Value: v,
}
}
return named
}
func notWhitespace(sql string) bool {
const (
code = iota
slash
minus
ccomment
sqlcomment
endcomment
)
state := code
for _, b := range ([]byte)(sql) {
if b == 0 {
break
}
switch state {
case code:
switch b {
case '/':
state = slash
case '-':
state = minus
case ' ', ';', '\t', '\n', '\v', '\f', '\r':
continue
default:
return true
}
case slash:
if b != '*' {
return true
}
state = ccomment
case minus:
if b != '-' {
return true
}
state = sqlcomment
case ccomment:
if b == '*' {
state = endcomment
}
case sqlcomment:
if b == '\n' {
state = code
}
case endcomment:
switch b {
case '/':
state = code
case '*':
state = endcomment
default:
state = ccomment
}
}
}
return state == slash || state == minus
}