74 lines
1.6 KiB
Go
74 lines
1.6 KiB
Go
package config
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"strings"
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"github.com/mholt/caddy"
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)
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// Config is a configuration for browsing in a particualr path.
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type Config struct {
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PathScope string
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Root http.FileSystem
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BaseURL string
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StyleSheet string // Costum stylesheet
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HugoEnabled bool // This must be only used by Hugo plugin
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}
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// Parse parses the configuration set by the user so it can
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// be used by the middleware
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func Parse(c *caddy.Controller) ([]Config, error) {
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var configs []Config
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appendConfig := func(cfg Config) error {
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for _, c := range configs {
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if c.PathScope == cfg.PathScope {
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return fmt.Errorf("duplicate file managing config for %s", c.PathScope)
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}
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}
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configs = append(configs, cfg)
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return nil
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}
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for c.Next() {
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var cfg = Config{PathScope: ".", BaseURL: "", HugoEnabled: false}
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for c.NextBlock() {
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switch c.Val() {
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case "show":
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if !c.NextArg() {
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return configs, c.ArgErr()
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}
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cfg.PathScope = c.Val()
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cfg.PathScope = strings.TrimSuffix(cfg.PathScope, "/")
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case "on":
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if !c.NextArg() {
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return configs, c.ArgErr()
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}
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cfg.BaseURL = c.Val()
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cfg.BaseURL = strings.TrimPrefix(cfg.BaseURL, "/")
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cfg.BaseURL = strings.TrimSuffix(cfg.BaseURL, "/")
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cfg.BaseURL = "/" + cfg.BaseURL
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case "styles":
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if !c.NextArg() {
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return configs, c.ArgErr()
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}
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tplBytes, err := ioutil.ReadFile(c.Val())
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if err != nil {
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return configs, err
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}
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cfg.StyleSheet = string(tplBytes)
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}
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}
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cfg.Root = http.Dir(cfg.PathScope)
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if err := appendConfig(cfg); err != nil {
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return configs, err
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}
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}
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return configs, nil
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}
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