Load UI configuration - aerc - mirror of ~rjarry's aerc fork

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author	Drew DeVault <sir@cmpwn.com>	2018-01-09 19:18:19 -0500
committer	Drew DeVault <sir@cmpwn.com>	2018-01-09 19:28:43 -0500
commit	39c93d2897af5bb0c145ef4f99f542bf42babdab (patch)
tree	4a3d3ac3553b2d2f31960a7af35ea286b62597d7 /Makefile
parent	aeb700577b5b2955c75093129e01de49b92f124f (diff)
download	aerc-39c93d2897af5bb0c145ef4f99f542bf42babdab.tar.gz

Load UI configuration

Diffstat (limited to 'Makefile')

-rw-r--r--

Makefile

1 files changed, 1 insertions, 1 deletions

package config import ( "errors" "fmt" "os" "path" "regexp" "strings" "github.com/gdamore/tcell" "github.com/go-ini/ini" "github.com/mitchellh/go-homedir" ) type StyleObject int32 const ( STYLE_DEFAULT StyleObject = iota STYLE_ERROR STYLE_WARNING STYLE_SUCCESS STYLE_TITLE STYLE_HEADER STYLE_STATUSLINE_DEFAULT STYLE_STATUSLINE_ERROR STYLE_STATUSLINE_SUCCESS STYLE_MSGLIST_DEFAULT STYLE_MSGLIST_UNREAD STYLE_MSGLIST_READ STYLE_MSGLIST_DELETED STYLE_MSGLIST_MARKED STYLE_MSGLIST_FLAGGED STYLE_DIRLIST_DEFAULT STYLE_COMPLETION_DEFAULT STYLE_COMPLETION_GUTTER STYLE_COMPLETION_PILL STYLE_TAB STYLE_STACK STYLE_SPINNER STYLE_BORDER STYLE_SELECTOR_DEFAULT STYLE_SELECTOR_FOCUSED STYLE_SELECTOR_CHOOSER ) var StyleNames = map[string]StyleObject{ "default": STYLE_DEFAULT, "error": STYLE_ERROR, "warning": STYLE_WARNING, "success": STYLE_SUCCESS, "title": STYLE_TITLE, "header": STYLE_HEADER, "statusline_default": STYLE_STATUSLINE_DEFAULT, "statusline_error": STYLE_STATUSLINE_ERROR, "statusline_success": STYLE_STATUSLINE_SUCCESS, "msglist_default": STYLE_MSGLIST_DEFAULT, "msglist_unread": STYLE_MSGLIST_UNREAD, "msglist_read": STYLE_MSGLIST_READ, "msglist_deleted": STYLE_MSGLIST_DELETED, "msglist_marked": STYLE_MSGLIST_MARKED, "msglist_flagged": STYLE_MSGLIST_FLAGGED, "dirlist_default": STYLE_DIRLIST_DEFAULT, "completion_default": STYLE_COMPLETION_DEFAULT, "completion_gutter": STYLE_COMPLETION_GUTTER, "completion_pill": STYLE_COMPLETION_PILL, "tab": STYLE_TAB, "stack": STYLE_STACK, "spinner": STYLE_SPINNER, "border": STYLE_BORDER, "selector_default": STYLE_SELECTOR_DEFAULT, "selector_focused": STYLE_SELECTOR_FOCUSED, "selector_chooser": STYLE_SELECTOR_CHOOSER, } type Style struct { Fg tcell.Color Bg tcell.Color Bold bool Blink bool Underline bool Reverse bool } func (s Style) Get() tcell.Style { return tcell.StyleDefault. Foreground(s.Fg). Background(s.Bg). Bold(s.Bold). Blink(s.Blink). Underline(s.Blink). Reverse(s.Reverse) } func (s *Style) Normal() { s.Bold = false s.Blink = false s.Underline = false s.Reverse = false } func (s *Style) Default() *Style { s.Fg = tcell.ColorDefault s.Bg = tcell.ColorDefault return s } func (s *Style) Reset() *Style { s.Default() s.Normal() return s } func boolSwitch(val string, cur_val bool) (bool, error) { switch val { case "true": return true, nil case "false": return false, nil case "toggle": return !cur_val, nil default: return cur_val, errors.New( "Bool Switch attribute must be true, false, or toggle") } } func (s *Style) Set(attr, val string) error { switch attr { case "fg": s.Fg = tcell.GetColor(val) case "bg": s.Bg = tcell.GetColor(val) case "bold": if state, err := boolSwitch(val, s.Bold); err != nil { return err } else { s.Bold = state } case "blink": if state, err := boolSwitch(val, s.Blink); err != nil { return err } else { s.Blink = state } case "underline": if state, err := boolSwitch(val, s.Underline); err != nil { return err } else { s.Underline = state } case "reverse": if state, err := boolSwitch(val, s.Reverse); err != nil { return err } else { s.Reverse = state } case "default": s.Default() case "normal": s.Normal() default: return errors.New("Unknown style attribute: " + attr) } return nil } type StyleSet struct { objects map[StyleObject]*Style selected map[StyleObject]*Style } func NewStyleSet() StyleSet { ss := StyleSet{ objects: make(map[StyleObject]*Style), selected: make(map[StyleObject]*Style), } for _, so := range StyleNames { ss.objects[so] = new(Style) ss.selected[so] = new(Style) } return ss } func (ss StyleSet) reset() { for _, so := range StyleNames { ss.objects[so].Reset() ss.selected[so].Reset() } } func (ss StyleSet) Get(so StyleObject) tcell.Style { return ss.objects[so].Get() } func (ss StyleSet) Selected(so StyleObject) tcell.Style { return ss.selected[so].Get() } func findStyleSet(stylesetName string, stylesetsDir []string) (string, error) { for _, dir := range stylesetsDir { stylesetPath, err := homedir.Expand(path.Join(dir, stylesetName)) if err != nil { return "", err } if _, err := os.Stat(stylesetPath); os.IsNotExist(err) { continue } return stylesetPath, nil } return "", fmt.Errorf( "Can't find styleset %q in any of %v", stylesetName, stylesetsDir) } func (ss *StyleSet) ParseStyleSet(file *ini.File) error { ss.reset() defaultSection, err := file.GetSection(ini.DefaultSection) if err != nil { return err } selectedKeys := []string{} for _, key := range defaultSection.KeyStrings() { tokens := strings.Split(key, ".") var styleName, attr string switch len(tokens) { case 2: styleName, attr = tokens[0], tokens[1] case 3: if tokens[1] != "selected" { return errors.New("Unknown modifier: " + tokens[1]) } selectedKeys = append(selectedKeys, key) continue default: return errors.New("Style parsing error: " + key) } val := defaultSection.KeysHash()[key] if strings.ContainsAny(styleName, "*?") { regex := fnmatchToRegex(styleName) for sn, so := range StyleNames { matched, err := regexp.MatchString(regex, sn) if err != nil { return err } if !matched { continue } if err := ss.objects[so].Set(attr, val); err != nil { return err } if err := ss.selected[so].Set(attr, val); err != nil { return err } } } else { so, ok := StyleNames[styleName] if !ok { return errors.New("Unknown style object: " + styleName) } if err := ss.objects[so].Set(attr, val); err != nil { return err } if err := ss.selected[so].Set(attr, val); err != nil { return err } } } for _, key := range selectedKeys { tokens := strings.Split(key, ".") styleName, modifier, attr := tokens[0], tokens[1], tokens[2] if modifier != "selected" { return errors.New("Unknown modifier: " + modifier) } val := defaultSection.KeysHash()[key] if strings.ContainsAny(styleName, "*?") { regex := fnmatchToRegex(styleName) for sn, so := range StyleNames { matched, err := regexp.MatchString(regex, sn) if err != nil { return err } if !matched { continue } if err := ss.selected[so].Set(attr, val); err != nil { return err } } } else { so, ok := StyleNames[styleName] if !ok { return errors.New("Unknown style object: " + styleName) } if err := ss.selected[so].Set(attr, val); err != nil { return err } } } for _, key := range defaultSection.KeyStrings() { tokens := strings.Split(key, ".") styleName, attr := tokens[0], tokens[1] val := defaultSection.KeysHash()[key] if styleName != "selected" { continue } for _, so := range StyleNames { if err := ss.selected[so].Set(attr, val); err != nil { return err } } } return nil } func (ss *StyleSet) LoadStyleSet(stylesetName string, stylesetDirs []string) error { filepath, err := findStyleSet(stylesetName, stylesetDirs) if err != nil { return err } file, err := ini.Load(filepath) if err != nil { return err } return ss.ParseStyleSet(file) } func fnmatchToRegex(pattern string) string { n := len(pattern) var regex strings.Builder for i := 0; i < n; i++ { switch pattern[i] { case '*': regex.WriteString(".*") case '?': regex.WriteByte('.') default: regex.WriteByte(pattern[i]) } } return regex.String() }


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