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Diffstat (limited to 'vendor/github.com/urfave/cli/context.go')
-rw-r--r--vendor/github.com/urfave/cli/context.go287
1 files changed, 0 insertions, 287 deletions
diff --git a/vendor/github.com/urfave/cli/context.go b/vendor/github.com/urfave/cli/context.go
deleted file mode 100644
index 552ee7405..000000000
--- a/vendor/github.com/urfave/cli/context.go
+++ /dev/null
@@ -1,287 +0,0 @@
-package cli
-
-import (
- "errors"
- "flag"
- "os"
- "reflect"
- "strings"
- "syscall"
-)
-
-// Context is a type that is passed through to
-// each Handler action in a cli application. Context
-// can be used to retrieve context-specific Args and
-// parsed command-line options.
-type Context struct {
- App *App
- Command Command
- shellComplete bool
- flagSet *flag.FlagSet
- setFlags map[string]bool
- parentContext *Context
-}
-
-// NewContext creates a new context. For use in when invoking an App or Command action.
-func NewContext(app *App, set *flag.FlagSet, parentCtx *Context) *Context {
- c := &Context{App: app, flagSet: set, parentContext: parentCtx}
-
- if parentCtx != nil {
- c.shellComplete = parentCtx.shellComplete
- }
-
- return c
-}
-
-// NumFlags returns the number of flags set
-func (c *Context) NumFlags() int {
- return c.flagSet.NFlag()
-}
-
-// Set sets a context flag to a value.
-func (c *Context) Set(name, value string) error {
- c.setFlags = nil
- return c.flagSet.Set(name, value)
-}
-
-// GlobalSet sets a context flag to a value on the global flagset
-func (c *Context) GlobalSet(name, value string) error {
- globalContext(c).setFlags = nil
- return globalContext(c).flagSet.Set(name, value)
-}
-
-// IsSet determines if the flag was actually set
-func (c *Context) IsSet(name string) bool {
- if c.setFlags == nil {
- c.setFlags = make(map[string]bool)
-
- c.flagSet.Visit(func(f *flag.Flag) {
- c.setFlags[f.Name] = true
- })
-
- c.flagSet.VisitAll(func(f *flag.Flag) {
- if _, ok := c.setFlags[f.Name]; ok {
- return
- }
- c.setFlags[f.Name] = false
- })
-
- // XXX hack to support IsSet for flags with EnvVar
- //
- // There isn't an easy way to do this with the current implementation since
- // whether a flag was set via an environment variable is very difficult to
- // determine here. Instead, we intend to introduce a backwards incompatible
- // change in version 2 to add `IsSet` to the Flag interface to push the
- // responsibility closer to where the information required to determine
- // whether a flag is set by non-standard means such as environment
- // variables is available.
- //
- // See https://github.com/urfave/cli/issues/294 for additional discussion
- flags := c.Command.Flags
- if c.Command.Name == "" { // cannot == Command{} since it contains slice types
- if c.App != nil {
- flags = c.App.Flags
- }
- }
- for _, f := range flags {
- eachName(f.GetName(), func(name string) {
- if isSet, ok := c.setFlags[name]; isSet || !ok {
- return
- }
-
- val := reflect.ValueOf(f)
- if val.Kind() == reflect.Ptr {
- val = val.Elem()
- }
-
- filePathValue := val.FieldByName("FilePath")
- if filePathValue.IsValid() {
- eachName(filePathValue.String(), func(filePath string) {
- if _, err := os.Stat(filePath); err == nil {
- c.setFlags[name] = true
- return
- }
- })
- }
-
- envVarValue := val.FieldByName("EnvVar")
- if envVarValue.IsValid() {
- eachName(envVarValue.String(), func(envVar string) {
- envVar = strings.TrimSpace(envVar)
- if _, ok := syscall.Getenv(envVar); ok {
- c.setFlags[name] = true
- return
- }
- })
- }
- })
- }
- }
-
- return c.setFlags[name]
-}
-
-// GlobalIsSet determines if the global flag was actually set
-func (c *Context) GlobalIsSet(name string) bool {
- ctx := c
- if ctx.parentContext != nil {
- ctx = ctx.parentContext
- }
-
- for ; ctx != nil; ctx = ctx.parentContext {
- if ctx.IsSet(name) {
- return true
- }
- }
- return false
-}
-
-// FlagNames returns a slice of flag names used in this context.
-func (c *Context) FlagNames() (names []string) {
- for _, flag := range c.Command.Flags {
- name := strings.Split(flag.GetName(), ",")[0]
- if name == "help" {
- continue
- }
- names = append(names, name)
- }
- return
-}
-
-// GlobalFlagNames returns a slice of global flag names used by the app.
-func (c *Context) GlobalFlagNames() (names []string) {
- for _, flag := range c.App.Flags {
- name := strings.Split(flag.GetName(), ",")[0]
- if name == "help" || name == "version" {
- continue
- }
- names = append(names, name)
- }
- return
-}
-
-// Parent returns the parent context, if any
-func (c *Context) Parent() *Context {
- return c.parentContext
-}
-
-// value returns the value of the flag coressponding to `name`
-func (c *Context) value(name string) interface{} {
- return c.flagSet.Lookup(name).Value.(flag.Getter).Get()
-}
-
-// Args contains apps console arguments
-type Args []string
-
-// Args returns the command line arguments associated with the context.
-func (c *Context) Args() Args {
- args := Args(c.flagSet.Args())
- return args
-}
-
-// NArg returns the number of the command line arguments.
-func (c *Context) NArg() int {
- return len(c.Args())
-}
-
-// Get returns the nth argument, or else a blank string
-func (a Args) Get(n int) string {
- if len(a) > n {
- return a[n]
- }
- return ""
-}
-
-// First returns the first argument, or else a blank string
-func (a Args) First() string {
- return a.Get(0)
-}
-
-// Tail returns the rest of the arguments (not the first one)
-// or else an empty string slice
-func (a Args) Tail() []string {
- if len(a) >= 2 {
- return []string(a)[1:]
- }
- return []string{}
-}
-
-// Present checks if there are any arguments present
-func (a Args) Present() bool {
- return len(a) != 0
-}
-
-// Swap swaps arguments at the given indexes
-func (a Args) Swap(from, to int) error {
- if from >= len(a) || to >= len(a) {
- return errors.New("index out of range")
- }
- a[from], a[to] = a[to], a[from]
- return nil
-}
-
-func globalContext(ctx *Context) *Context {
- if ctx == nil {
- return nil
- }
-
- for {
- if ctx.parentContext == nil {
- return ctx
- }
- ctx = ctx.parentContext
- }
-}
-
-func lookupGlobalFlagSet(name string, ctx *Context) *flag.FlagSet {
- if ctx.parentContext != nil {
- ctx = ctx.parentContext
- }
- for ; ctx != nil; ctx = ctx.parentContext {
- if f := ctx.flagSet.Lookup(name); f != nil {
- return ctx.flagSet
- }
- }
- return nil
-}
-
-func copyFlag(name string, ff *flag.Flag, set *flag.FlagSet) {
- switch ff.Value.(type) {
- case *StringSlice:
- default:
- set.Set(name, ff.Value.String())
- }
-}
-
-func normalizeFlags(flags []Flag, set *flag.FlagSet) error {
- visited := make(map[string]bool)
- set.Visit(func(f *flag.Flag) {
- visited[f.Name] = true
- })
- for _, f := range flags {
- parts := strings.Split(f.GetName(), ",")
- if len(parts) == 1 {
- continue
- }
- var ff *flag.Flag
- for _, name := range parts {
- name = strings.Trim(name, " ")
- if visited[name] {
- if ff != nil {
- return errors.New("Cannot use two forms of the same flag: " + name + " " + ff.Name)
- }
- ff = set.Lookup(name)
- }
- }
- if ff == nil {
- continue
- }
- for _, name := range parts {
- name = strings.Trim(name, " ")
- if !visited[name] {
- copyFlag(name, ff, set)
- }
- }
- }
- return nil
-}