eec158b32c
This change adds a single page application front-end to GARM. It uses a generated REST client, built from the swagger definitions, the websocket interface for live updates of entities and eager loading of everything except runners, as users may have many runners and we don't want to load hundreds of runners in memory. Proper pagination should be implemented in the API, in future commits, to avoid loading lots of elements for no reason. Signed-off-by: Gabriel Adrian Samfira <gsamfira@cloudbasesolutions.com>
127 lines
3.4 KiB
Go
127 lines
3.4 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package pflag
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import (
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goflag "flag"
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"reflect"
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"strings"
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)
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// go test flags prefixes
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func isGotestFlag(flag string) bool {
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return strings.HasPrefix(flag, "-test.")
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}
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func isGotestShorthandFlag(flag string) bool {
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return strings.HasPrefix(flag, "test.")
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}
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// flagValueWrapper implements pflag.Value around a flag.Value. The main
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// difference here is the addition of the Type method that returns a string
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// name of the type. As this is generally unknown, we approximate that with
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// reflection.
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type flagValueWrapper struct {
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inner goflag.Value
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flagType string
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}
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// We are just copying the boolFlag interface out of goflag as that is what
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// they use to decide if a flag should get "true" when no arg is given.
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type goBoolFlag interface {
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goflag.Value
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IsBoolFlag() bool
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}
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func wrapFlagValue(v goflag.Value) Value {
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// If the flag.Value happens to also be a pflag.Value, just use it directly.
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if pv, ok := v.(Value); ok {
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return pv
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}
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pv := &flagValueWrapper{
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inner: v,
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}
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t := reflect.TypeOf(v)
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if t.Kind() == reflect.Interface || t.Kind() == reflect.Ptr {
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t = t.Elem()
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}
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pv.flagType = strings.TrimSuffix(t.Name(), "Value")
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return pv
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}
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func (v *flagValueWrapper) String() string {
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return v.inner.String()
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}
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func (v *flagValueWrapper) Set(s string) error {
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return v.inner.Set(s)
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}
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func (v *flagValueWrapper) Type() string {
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return v.flagType
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}
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// PFlagFromGoFlag will return a *pflag.Flag given a *flag.Flag
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// If the *flag.Flag.Name was a single character (ex: `v`) it will be accessiblei
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// with both `-v` and `--v` in flags. If the golang flag was more than a single
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// character (ex: `verbose`) it will only be accessible via `--verbose`
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func PFlagFromGoFlag(goflag *goflag.Flag) *Flag {
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// Remember the default value as a string; it won't change.
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flag := &Flag{
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Name: goflag.Name,
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Usage: goflag.Usage,
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Value: wrapFlagValue(goflag.Value),
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// Looks like golang flags don't set DefValue correctly :-(
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//DefValue: goflag.DefValue,
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DefValue: goflag.Value.String(),
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}
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// Ex: if the golang flag was -v, allow both -v and --v to work
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if len(flag.Name) == 1 {
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flag.Shorthand = flag.Name
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}
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if fv, ok := goflag.Value.(goBoolFlag); ok && fv.IsBoolFlag() {
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flag.NoOptDefVal = "true"
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}
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return flag
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}
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// AddGoFlag will add the given *flag.Flag to the pflag.FlagSet
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func (f *FlagSet) AddGoFlag(goflag *goflag.Flag) {
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if f.Lookup(goflag.Name) != nil {
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return
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}
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newflag := PFlagFromGoFlag(goflag)
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f.AddFlag(newflag)
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}
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// AddGoFlagSet will add the given *flag.FlagSet to the pflag.FlagSet
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func (f *FlagSet) AddGoFlagSet(newSet *goflag.FlagSet) {
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if newSet == nil {
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return
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}
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newSet.VisitAll(func(goflag *goflag.Flag) {
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f.AddGoFlag(goflag)
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})
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if f.addedGoFlagSets == nil {
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f.addedGoFlagSets = make([]*goflag.FlagSet, 0)
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}
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f.addedGoFlagSets = append(f.addedGoFlagSets, newSet)
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}
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// ParseSkippedFlags explicitly Parses go test flags (i.e. the one starting with '-test.') with goflag.Parse(),
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// since by default those are skipped by pflag.Parse().
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// Typical usage example: `ParseGoTestFlags(os.Args[1:], goflag.CommandLine)`
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func ParseSkippedFlags(osArgs []string, goFlagSet *goflag.FlagSet) error {
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var skippedFlags []string
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for _, f := range osArgs {
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if isGotestFlag(f) {
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skippedFlags = append(skippedFlags, f)
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}
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}
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return goFlagSet.Parse(skippedFlags)
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}
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