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https://github.com/safing/portbase
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34 lines
598 B
Go
34 lines
598 B
Go
package query
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import (
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"fmt"
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"strings"
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)
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// Not negates the supplied condition.
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func Not(c Condition) Condition {
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return ¬Cond{
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notC: c,
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}
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}
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type notCond struct {
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notC Condition
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}
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func (c *notCond) complies(f Fetcher) bool {
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return !c.notC.complies(f)
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}
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func (c *notCond) check() error {
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return c.notC.check()
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}
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func (c *notCond) string() string {
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next := c.notC.string()
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if strings.HasPrefix(next, "(") {
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return fmt.Sprintf("not %s", c.notC.string())
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}
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splitted := strings.Split(next, " ")
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return strings.Join(append([]string{splitted[0], "not"}, splitted[1:]...), " ")
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}
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