oh-my-posh/segment.go
2020-10-05 17:19:05 +02:00

103 lines
3.1 KiB
Go

package main
import "errors"
//Segment represent a single segment and it's configuration
type Segment struct {
Type SegmentType `json:"type"`
Style SegmentStyle `json:"style"`
PowerlineSymbol string `json:"powerline_symbol"`
InvertPowerline bool `json:"invert_powerline"`
Foreground string `json:"foreground"`
Background string `json:"background"`
LeadingDiamond string `json:"leading_diamond"`
TrailingDiamond string `json:"trailing_diamond"`
Properties map[Property]interface{} `json:"properties"`
writer SegmentWriter
}
//SegmentWriter is the interface used to define what and if to write to the prompt
type SegmentWriter interface {
enabled() bool
string() string
init(props *properties, env environmentInfo)
}
//SegmentStyle the syle of segment, for more information, see the constants
type SegmentStyle string
//SegmentType the type of segment, for more information, see the constants
type SegmentType string
const (
//Session represents the user info segment
Session SegmentType = "session"
//Path represents the current path segment
Path SegmentType = "path"
//Git represents the git status and information
Git SegmentType = "git"
//Exit writes the last exit code
Exit SegmentType = "exit"
//Venv writes the virtual env name
Venv SegmentType = "virtualenv"
//Root writes root symbol
Root SegmentType = "root"
//Time writes the current timestamp
Time SegmentType = "time"
//Text writes a text
Text SegmentType = "text"
//Cmd writes the output of a shell command
Cmd SegmentType = "command"
//Battery writes the battery percentage
Battery SegmentType = "battery"
//Spotify writes the Spotify status for Mac
Spotify SegmentType = "spotify"
//ShellInfo writes which shell we're currently in
ShellInfo SegmentType = "shell"
//Node writes which node version is currently active
Node SegmentType = "node"
//Powerline writes it Powerline style
Powerline SegmentStyle = "powerline"
//Plain writes it without ornaments
Plain SegmentStyle = "plain"
//Diamond writes the prompt shaped with a leading and trailing symbol
Diamond SegmentStyle = "diamond"
)
func (segment *Segment) string() string {
return segment.writer.string()
}
func (segment *Segment) enabled() bool {
return segment.writer.enabled()
}
func (segment *Segment) mapSegmentWithWriter(env environmentInfo) (*properties, error) {
functions := map[SegmentType]SegmentWriter{
Session: &session{},
Path: &path{},
Git: &git{},
Exit: &exit{},
Venv: &venv{},
Root: &root{},
Text: &text{},
Time: &tempus{},
Cmd: &command{},
Battery: &batt{},
Spotify: &spotify{},
ShellInfo: &shell{},
Node: &node{},
}
if writer, ok := functions[segment.Type]; ok {
props := &properties{
values: segment.Properties,
foreground: segment.Foreground,
background: segment.Background,
}
writer.init(props, env)
segment.writer = writer
return props, nil
}
return nil, errors.New("Unable to map writer")
}