config: move [viewer] parsing in separate file

The config.go file is getting too big. Move the aerc.conf [viewer]
section parsing logic into a dedicated viewer.go file.

No functional change.

Signed-off-by: Robin Jarry <robin@jarry.cc>
Acked-by: Moritz Poldrack <moritz@poldrack.dev>

1 files changed, 54 insertions, 0 deletions

diff --git a/config/viewer.go b/config/viewer.go
new file mode 100644
index 00000000..fe93f389
--- /dev/null
+++ b/config/viewer.go
@@ -0,0 +1,54 @@
+package config
+
+import (
+	"strings"
+
+	"git.sr.ht/~rjarry/aerc/logging"
+	"github.com/go-ini/ini"
+)
+
+type ViewerConfig struct {
+	Pager          string
+	Alternatives   []string
+	ShowHeaders    bool       `ini:"show-headers"`
+	AlwaysShowMime bool       `ini:"always-show-mime"`
+	ParseHttpLinks bool       `ini:"parse-http-links"`
+	HeaderLayout   [][]string `ini:"-"`
+	KeyPassthrough bool       `ini:"-"`
+}
+
+func defaultViewerConfig() ViewerConfig {
+	return ViewerConfig{
+		Pager:        "less -R",
+		Alternatives: []string{"text/plain", "text/html"},
+		ShowHeaders:  false,
+		HeaderLayout: [][]string{
+			{"From", "To"},
+			{"Cc", "Bcc"},
+			{"Date"},
+			{"Subject"},
+		},
+		ParseHttpLinks: true,
+	}
+}
+
+func (config *AercConfig) parseViewer(file *ini.File) error {
+	viewer, err := file.GetSection("viewer")
+	if err != nil {
+		goto out
+	}
+	if err := viewer.MapTo(&config.Viewer); err != nil {
+		return err
+	}
+	for key, val := range viewer.KeysHash() {
+		switch key {
+		case "alternatives":
+			config.Viewer.Alternatives = strings.Split(val, ",")
+		case "header-layout":
+			config.Viewer.HeaderLayout = parseLayout(val)
+		}
+	}
+out:
+	logging.Debugf("aerc.conf: [viewer] %#v", config.Viewer)
+	return nil
+}