140 lines
3.6 KiB
Go
140 lines
3.6 KiB
Go
// Copyright (c) 2022 Tulir Asokan
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
package mautrix
|
|
|
|
import (
|
|
"fmt"
|
|
"regexp"
|
|
"strconv"
|
|
)
|
|
|
|
// RespVersions is the JSON response for https://spec.matrix.org/v1.2/client-server-api/#get_matrixclientversions
|
|
type RespVersions struct {
|
|
Versions []SpecVersion `json:"versions"`
|
|
UnstableFeatures map[string]bool `json:"unstable_features"`
|
|
}
|
|
|
|
func (versions *RespVersions) ContainsFunc(match func(found SpecVersion) bool) bool {
|
|
for _, found := range versions.Versions {
|
|
if match(found) {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (versions *RespVersions) Contains(version SpecVersion) bool {
|
|
return versions.ContainsFunc(func(found SpecVersion) bool {
|
|
return found == version
|
|
})
|
|
}
|
|
|
|
func (versions *RespVersions) ContainsGreaterOrEqual(version SpecVersion) bool {
|
|
return versions.ContainsFunc(func(found SpecVersion) bool {
|
|
return found.GreaterThan(version) || found == version
|
|
})
|
|
}
|
|
|
|
type SpecVersionFormat int
|
|
|
|
const (
|
|
SpecVersionFormatUnknown SpecVersionFormat = iota
|
|
SpecVersionFormatR
|
|
SpecVersionFormatV
|
|
)
|
|
|
|
var (
|
|
SpecR010 = MustParseSpecVersion("r0.1.0")
|
|
SpecR020 = MustParseSpecVersion("r0.2.0")
|
|
SpecR030 = MustParseSpecVersion("r0.3.0")
|
|
SpecR040 = MustParseSpecVersion("r0.4.0")
|
|
SpecR050 = MustParseSpecVersion("r0.5.0")
|
|
SpecR060 = MustParseSpecVersion("r0.6.0")
|
|
SpecR061 = MustParseSpecVersion("r0.6.1")
|
|
SpecV11 = MustParseSpecVersion("v1.1")
|
|
SpecV12 = MustParseSpecVersion("v1.2")
|
|
)
|
|
|
|
func (svf SpecVersionFormat) String() string {
|
|
switch svf {
|
|
case SpecVersionFormatR:
|
|
return "r"
|
|
case SpecVersionFormatV:
|
|
return "v"
|
|
default:
|
|
return ""
|
|
}
|
|
}
|
|
|
|
type SpecVersion struct {
|
|
Format SpecVersionFormat
|
|
Major int
|
|
Minor int
|
|
Patch int
|
|
|
|
Raw string
|
|
}
|
|
|
|
var legacyVersionRegex = regexp.MustCompile(`^r(\d+)\.(\d+)\.(\d+)$`)
|
|
var modernVersionRegex = regexp.MustCompile(`^v(\d+)\.(\d+)$`)
|
|
|
|
func MustParseSpecVersion(version string) SpecVersion {
|
|
sv, err := ParseSpecVersion(version)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return sv
|
|
}
|
|
|
|
func ParseSpecVersion(version string) (sv SpecVersion, err error) {
|
|
sv.Raw = version
|
|
if parts := modernVersionRegex.FindStringSubmatch(version); parts != nil {
|
|
sv.Major, _ = strconv.Atoi(parts[1])
|
|
sv.Minor, _ = strconv.Atoi(parts[2])
|
|
sv.Format = SpecVersionFormatV
|
|
} else if parts = legacyVersionRegex.FindStringSubmatch(version); parts != nil {
|
|
sv.Major, _ = strconv.Atoi(parts[1])
|
|
sv.Minor, _ = strconv.Atoi(parts[2])
|
|
sv.Patch, _ = strconv.Atoi(parts[3])
|
|
sv.Format = SpecVersionFormatR
|
|
} else {
|
|
err = fmt.Errorf("version '%s' doesn't match either known syntax", version)
|
|
}
|
|
return
|
|
}
|
|
|
|
func (sv *SpecVersion) UnmarshalText(version []byte) error {
|
|
*sv, _ = ParseSpecVersion(string(version))
|
|
return nil
|
|
}
|
|
|
|
func (sv *SpecVersion) MarshalText() ([]byte, error) {
|
|
return []byte(sv.String()), nil
|
|
}
|
|
|
|
func (sv *SpecVersion) String() string {
|
|
switch sv.Format {
|
|
case SpecVersionFormatR:
|
|
return fmt.Sprintf("r%d.%d.%d", sv.Major, sv.Minor, sv.Patch)
|
|
case SpecVersionFormatV:
|
|
return fmt.Sprintf("v%d.%d", sv.Major, sv.Minor)
|
|
default:
|
|
return sv.Raw
|
|
}
|
|
}
|
|
|
|
func (sv SpecVersion) LessThan(other SpecVersion) bool {
|
|
return sv != other && !sv.GreaterThan(other)
|
|
}
|
|
|
|
func (sv SpecVersion) GreaterThan(other SpecVersion) bool {
|
|
return sv.Format > other.Format ||
|
|
(sv.Format == other.Format && sv.Major > other.Major) ||
|
|
(sv.Format == other.Format && sv.Major == other.Major && sv.Minor > other.Minor) ||
|
|
(sv.Format == other.Format && sv.Major == other.Major && sv.Minor == other.Minor && sv.Patch > other.Patch)
|
|
}
|