Added Version type to base tomo package and stuff
This commit is contained in:
parent
39b8b96513
commit
6acd8be05b
@ -1,16 +1,14 @@
|
||||
package nasin
|
||||
|
||||
import "os"
|
||||
import "fmt"
|
||||
// TODO: possibly fork the official plugin module and add support for other
|
||||
// operating systems? perhaps enhance the Lookup function with
|
||||
// the generic extract function we have here for extra type safety goodness.
|
||||
import "plugin"
|
||||
import "strings"
|
||||
import "path/filepath"
|
||||
import "git.tebibyte.media/sashakoshka/tomo"
|
||||
|
||||
type expectsFunc func () (int, int, int)
|
||||
type expectsFunc func () tomo.Version
|
||||
type nameFunc func () string
|
||||
type descriptionFunc func () string
|
||||
type backendFactory func () (tomo.Backend, error)
|
||||
@ -19,24 +17,10 @@ type themeFactory func () tomo.Theme
|
||||
var factories []backendFactory
|
||||
var theme tomo.Theme
|
||||
|
||||
func loadPlugins () {
|
||||
// TODO: do not hardcode all these paths here, have separate files that
|
||||
// build on different platforms that set these paths.
|
||||
|
||||
pathVariable := os.Getenv("NASIN_PLUGIN_PATH")
|
||||
paths := strings.Split(pathVariable, ":")
|
||||
paths = append (
|
||||
paths,
|
||||
"/usr/lib/nasin/plugins",
|
||||
"/usr/local/lib/nasin/plugins")
|
||||
homeDir, err := os.UserHomeDir()
|
||||
if err != nil {
|
||||
paths = append (
|
||||
paths,
|
||||
filepath.Join(homeDir, ".local/lib/nasin/plugins"))
|
||||
}
|
||||
var pluginPaths []string
|
||||
|
||||
for _, dir := range paths {
|
||||
func loadPlugins () {
|
||||
for _, dir := range pluginPaths {
|
||||
loadPluginsFrom(dir)
|
||||
}
|
||||
}
|
||||
@ -69,23 +53,19 @@ func loadPlugin (path string) {
|
||||
|
||||
// check for and obtain basic plugin functions
|
||||
expects, ok := extract[expectsFunc](plugin, "Expects")
|
||||
if !ok { die("does not implement Expects() (int, int, int)"); return }
|
||||
if !ok { die("does not implement Expects() tomo.Version"); return }
|
||||
name, ok := extract[nameFunc](plugin, "Name")
|
||||
if !ok { die("does not implement Name() string"); return }
|
||||
_, ok = extract[descriptionFunc](plugin, "Description")
|
||||
if !ok { die("does not implement Description() string"); return }
|
||||
|
||||
// check for version compatibility
|
||||
// TODO: have exported version type in tomo base package, and have a
|
||||
// function within that that gives the current tomo/nasin version. call
|
||||
// that here.
|
||||
major, minor, patch := expects()
|
||||
currentVersion := version { 0, 0, 0 }
|
||||
pluginVersion := version { major, minor, patch }
|
||||
pluginVersion := expects()
|
||||
currentVersion := tomo.CurrentVersion()
|
||||
if !pluginVersion.CompatibleABI(currentVersion) {
|
||||
die (
|
||||
"plugin (" + pluginVersion.String() +
|
||||
") incompatible with nasin/tomo version (" +
|
||||
") incompatible with tomo/nasin version (" +
|
||||
currentVersion.String() + ")")
|
||||
return
|
||||
}
|
||||
@ -107,13 +87,3 @@ func extract[T any] (plugin *plugin.Plugin, name string) (value T, ok bool) {
|
||||
value, ok = symbol.(T)
|
||||
return
|
||||
}
|
||||
|
||||
type version [3]int
|
||||
|
||||
func (version version) CompatibleABI (other version) bool {
|
||||
return version[0] == other[0] && version[1] == other[1]
|
||||
}
|
||||
|
||||
func (version version) String () string {
|
||||
return fmt.Sprint(version[0], ".", version[1], ".", version[2])
|
||||
}
|
||||
|
22
nasin/unix.go
Normal file
22
nasin/unix.go
Normal file
@ -0,0 +1,22 @@
|
||||
//go:build linux || darwin || freebsd
|
||||
|
||||
package nasin
|
||||
|
||||
import "os"
|
||||
import "strings"
|
||||
import "path/filepath"
|
||||
|
||||
func init () {
|
||||
pathVariable := os.Getenv("NASIN_PLUGIN_PATH")
|
||||
pluginPaths = strings.Split(pathVariable, ":")
|
||||
pluginPaths = append (
|
||||
pluginPaths,
|
||||
"/usr/lib/nasin/plugins",
|
||||
"/usr/local/lib/nasin/plugins")
|
||||
homeDir, err := os.UserHomeDir()
|
||||
if err != nil {
|
||||
pluginPaths = append (
|
||||
pluginPaths,
|
||||
filepath.Join(homeDir, ".local/lib/nasin/plugins"))
|
||||
}
|
||||
}
|
32
version.go
Normal file
32
version.go
Normal file
@ -0,0 +1,32 @@
|
||||
package tomo
|
||||
|
||||
import "fmt"
|
||||
|
||||
// Version represents a semantic version number.
|
||||
type Version [3]int
|
||||
|
||||
// TODO: when 1.0 is released, remove the notices. remember to update
|
||||
// CurrentVersion too!
|
||||
|
||||
// CurrentVersion returns the current Tomo/Nasin version. Note that until 1.0 is
|
||||
// released, this does not mean much.
|
||||
func CurrentVersion () Version {
|
||||
return Version { 0, 0, 0 }
|
||||
}
|
||||
|
||||
// CompatibleABI returns whether or not two versions are compatible on a binary
|
||||
// level. Note that until 1.0 is released, this does not mean much.
|
||||
func (version Version) CompatibleABI (other Version) bool {
|
||||
return version[0] == other[0] && version[1] == other[1]
|
||||
}
|
||||
|
||||
// CompatibleAPI returns whether or not two versions are compatible on a source
|
||||
// code level. Note that until 1.0 is released, this does not mean much.
|
||||
func (version Version) CompatibleAPI (other Version) bool {
|
||||
return version[0] == other[0]
|
||||
}
|
||||
|
||||
// String returns a string representation of the version.
|
||||
func (version Version) String () string {
|
||||
return fmt.Sprint(version[0], ".", version[1], ".", version[2])
|
||||
}
|
Reference in New Issue
Block a user