Adds support for local files, making bombadillo a functional pager

client.go

@@ -15,6 +15,7 @@ import (
 	"tildegit.org/sloum/bombadillo/gemini"
 	"tildegit.org/sloum/bombadillo/gopher"
 	"tildegit.org/sloum/bombadillo/http"
+	"tildegit.org/sloum/bombadillo/local"
 	"tildegit.org/sloum/bombadillo/telnet"
 )
 
@@ -966,6 +967,20 @@ func (c *client) Visit(url string) {
 			c.SetMessage("'openhttp' is not set to true, cannot open web link", false)
 			c.DrawMessage()
 		}
+	case "local":
+		content, err := local.Open(u.Resource)
+		if err != nil {
+			c.SetMessage(err.Error(), true)
+			c.DrawMessage()
+			return
+		}
+		pg := MakePage(u, content, []string{})
+		pg.WrapContent(c.Width - 1)
+		c.PageState.Add(pg)
+		c.SetPercentRead()
+		c.ClearMessage()
+		c.SetHeaderUrl()
+		c.Draw()
 	default:
 		c.SetMessage(fmt.Sprintf("%q is not a supported protocol", u.Scheme), true)
 		c.DrawMessage()

local/local.go

@@ -0,0 +1,21 @@
+package local
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+)
+
+func Open(address string) (string, error) {
+	file, err := os.Open(address)
+	if err != nil {
+		return "", fmt.Errorf("Unable to open file: %s", address)
+	}
+	defer file.Close()
+
+	bytes, err := ioutil.ReadAll(file)
+	if err != nil {
+		return "", fmt.Errorf("Unable to read file: %s", address)
+	}
+	return string(bytes), nil
+}

url.go

@@ -2,6 +2,8 @@ package main
 
 import (
 	"fmt"
+	"os"
+	"path/filepath"
 	"regexp"
 	"strings"
 )
@@ -37,7 +39,29 @@ type Url struct {
 // an error (or nil).
 func MakeUrl(u string) (Url, error) {
 	var out Url
-	re := regexp.MustCompile(`^((?P<scheme>[a-zA-Z]+):\/\/)?(?P<host>[\w\-\.\d]+)(?::(?P<port>\d+)?)?(?:/(?P<type>[01345679gIhisp])?)?(?P<resource>.*)?$`)
+	if local := strings.HasPrefix(u, "local://"); u[0] == '/' || u[0] == '.' || u[0] == '~' || local {
+		if local && len(u) > 8 {
+			u = u[8:]
+		}
+		home, err := os.UserHomeDir()
+		if err != nil {
+			home = ""
+		}
+		u = strings.Replace(u, "~", home, 1)
+		res, err := filepath.Abs(u)
+		if err != nil {
+			return out, fmt.Errorf("Invalid path, unable to parse")
+		}
+		out.Scheme = "local"
+		out.Host = ""
+		out.Port = ""
+		out.Mime = ""
+		out.Resource = res
+		out.Full = out.Scheme + "://" + out.Resource
+		return out, nil
+	}
+
+	re := regexp.MustCompile(`^((?P<scheme>[a-zA-Z]+):\/\/)?(?P<host>[\w\-\.\d/]+)(?::(?P<port>\d+)?)?(?:/(?P<type>[01345679gIhisp])?)?(?P<resource>.*)?$`)
 	match := re.FindStringSubmatch(u)
 
 	if valid := re.MatchString(u); !valid {