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package rewrite
import (
"github.com/coredns/caddy"
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin"
)
func init() { plugin.Register("rewrite", setup) }
func setup(c *caddy.Controller) error {
rewrites, err := rewriteParse(c)
if err != nil {
return plugin.Error("rewrite", err)
}
dnsserver.GetConfig(c).AddPlugin(func(next plugin.Handler) plugin.Handler {
return Rewrite{Next: next, Rules: rewrites}
})
return nil
}
func rewriteParse(c *caddy.Controller) ([]Rule, error) {
var rules []Rule
for c.Next() {
args := c.RemainingArgs()
if len(args) < 2 {
// Handles rules out of nested instructions, i.e. the ones enclosed in curly brackets
for c.NextBlock() {
args = append(args, c.Val())
}
}
rule, err := newRule(args...)
if err != nil {
return nil, err
}
rules = append(rules, rule)
}
return rules, nil
}
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