func fastcgiParse(c *Controller) ([]fastcgi.Rule, error) {
var rules []fastcgi.Rule
for c.Next() {
var rule fastcgi.Rule
args := c.RemainingArgs()
switch len(args) {
case 0:
return rules, c.ArgErr()
case 1:
rule.Path = "/"
rule.Address = args[0]
case 2:
rule.Path = args[0]
rule.Address = args[1]
case 3:
rule.Path = args[0]
rule.Address = args[1]
err := fastcgiPreset(args[2], &rule)
if err != nil {
return rules, c.Err("Invalid fastcgi rule preset '" + args[2] + "'")
}
}
for c.NextBlock() {
switch c.Val() {
case "ext":
if !c.NextArg() {
return rules, c.ArgErr()
}
rule.Ext = c.Val()
case "split":
if !c.NextArg() {
return rules, c.ArgErr()
}
rule.SplitPath = c.Val()
case "index":
args := c.RemainingArgs()
if len(args) == 0 {
return rules, c.ArgErr()
}
rule.IndexFiles = args
case "env":
envArgs := c.RemainingArgs()
if len(envArgs) < 2 {
return rules, c.ArgErr()
}
rule.EnvVars = append(rule.EnvVars, [2]string{envArgs[0], envArgs[1]})
}
}
rules = append(rules, rule)
}
return rules, nil
}
// fastcgiPreset configures rule according to name. It returns an error if
// name is not a recognized preset name.
func fastcgiPreset(name string, rule *fastcgi.Rule) error {
switch name {
case "php":
rule.Ext = ".php"
rule.SplitPath = ".php"
rule.IndexFiles = []string{"index.php"}
default:
return errors.New(name + " is not a valid preset name")
}
return nil
}