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issue_62: Make slice options more posix like

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Naveen Gogineni 2 years ago committed by Dan Buch
parent 02eb392916
commit bc99b5865c
Signed by: meatballhat
GPG Key ID: A12F782281063434
6 changed files with 77 additions and 76 deletions
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55
flag.go
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@ -7,7 +7,6 @@ import (
"io/ioutil"
"regexp"
"runtime"
"strconv"
"strings"
"syscall"
"time"
@ -297,53 +296,6 @@ func stringifyFlag(f Flag) string {
fmt.Sprintf("%s\t%s", prefixedNames(f.Names(), placeholder), usageWithDefault))
}
func stringifyIntSliceFlag(f *IntSliceFlag) string {
var defaultVals []string
if f.Value != nil && len(f.Value.Value()) > 0 {
for _, i := range f.Value.Value() {
defaultVals = append(defaultVals, strconv.Itoa(i))
}
}
return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
}
func stringifyInt64SliceFlag(f *Int64SliceFlag) string {
var defaultVals []string
if f.Value != nil && len(f.Value.Value()) > 0 {
for _, i := range f.Value.Value() {
defaultVals = append(defaultVals, strconv.FormatInt(i, 10))
}
}
return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
}
func stringifyFloat64SliceFlag(f *Float64SliceFlag) string {
var defaultVals []string
if f.Value != nil && len(f.Value.Value()) > 0 {
for _, i := range f.Value.Value() {
defaultVals = append(defaultVals, strings.TrimRight(strings.TrimRight(fmt.Sprintf("%f", i), "0"), "."))
}
}
return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
}
func stringifyStringSliceFlag(f *StringSliceFlag) string {
var defaultVals []string
if f.Value != nil && len(f.Value.Value()) > 0 {
for _, s := range f.Value.Value() {
if len(s) > 0 {
defaultVals = append(defaultVals, strconv.Quote(s))
}
}
}
return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
}
func stringifySliceFlag(usage string, names, defaultVals []string) string {
placeholder, usage := unquoteUsage(usage)
if placeholder == "" {
@ -356,11 +308,12 @@ func stringifySliceFlag(usage string, names, defaultVals []string) string {
}
usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultVal))
multiInputString := "(accepts multiple inputs)"
/*multiInputString := "(accepts multiple inputs)"
if usageWithDefault != "" {
multiInputString = "\t" + multiInputString
}
return fmt.Sprintf("%s\t%s%s", prefixedNames(names, placeholder), usageWithDefault, multiInputString)
}*/
pn := prefixedNames(names, placeholder)
return fmt.Sprintf("%s [ %s ]\t%s%s", pn, pn, usageWithDefault, "")
}
func hasFlag(flags []Flag, fl Flag) bool {

14
flag_float64_slice.go
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@ -83,7 +83,7 @@ func (f *Float64Slice) Get() interface{} {
// String returns a readable representation of this value
// (for usage defaults)
func (f *Float64SliceFlag) String() string {
return withEnvHint(f.GetEnvVars(), stringifyFloat64SliceFlag(f))
return withEnvHint(f.GetEnvVars(), f.stringify())
}
// GetValue returns the flags value as string representation and an empty
@ -141,6 +141,18 @@ func (f *Float64SliceFlag) Get(ctx *Context) []float64 {
return ctx.Float64Slice(f.Name)
}
func (f *Float64SliceFlag) stringify() string {
var defaultVals []string
if f.Value != nil && len(f.Value.Value()) > 0 {
for _, i := range f.Value.Value() {
defaultVals = append(defaultVals, strings.TrimRight(strings.TrimRight(fmt.Sprintf("%f", i), "0"), "."))
}
}
return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
}
// Float64Slice looks up the value of a local Float64SliceFlag, returns
// nil if not found
func (cCtx *Context) Float64Slice(name string) []float64 {

13
flag_int64_slice.go
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@ -84,7 +84,7 @@ func (i *Int64Slice) Get() interface{} {
// String returns a readable representation of this value
// (for usage defaults)
func (f *Int64SliceFlag) String() string {
return withEnvHint(f.GetEnvVars(), stringifyInt64SliceFlag(f))
return withEnvHint(f.GetEnvVars(), f.stringify())
}
// GetValue returns the flags value as string representation and an empty
@ -140,6 +140,17 @@ func (f *Int64SliceFlag) Get(ctx *Context) []int64 {
return ctx.Int64Slice(f.Name)
}
func (f *Int64SliceFlag) stringify() string {
var defaultVals []string
if f.Value != nil && len(f.Value.Value()) > 0 {
for _, i := range f.Value.Value() {
defaultVals = append(defaultVals, strconv.FormatInt(i, 10))
}
}
return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
}
// Int64Slice looks up the value of a local Int64SliceFlag, returns
// nil if not found
func (cCtx *Context) Int64Slice(name string) []int64 {

13
flag_int_slice.go
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@ -95,7 +95,7 @@ func (i *IntSlice) Get() interface{} {
// String returns a readable representation of this value
// (for usage defaults)
func (f *IntSliceFlag) String() string {
return withEnvHint(f.GetEnvVars(), stringifyIntSliceFlag(f))
return withEnvHint(f.GetEnvVars(), f.stringify())
}
// GetValue returns the flags value as string representation and an empty
@ -151,6 +151,17 @@ func (f *IntSliceFlag) Get(ctx *Context) []int {
return ctx.IntSlice(f.Name)
}
func (f *IntSliceFlag) stringify() string {
var defaultVals []string
if f.Value != nil && len(f.Value.Value()) > 0 {
for _, i := range f.Value.Value() {
defaultVals = append(defaultVals, strconv.Itoa(i))
}
}
return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
}
// IntSlice looks up the value of a local IntSliceFlag, returns
// nil if not found
func (cCtx *Context) IntSlice(name string) []int {

16
flag_string_slice.go
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@ -4,6 +4,7 @@ import (
"encoding/json"
"flag"
"fmt"
"strconv"
"strings"
)
@ -73,7 +74,7 @@ func (s *StringSlice) Get() interface{} {
// String returns a readable representation of this value
// (for usage defaults)
func (f *StringSliceFlag) String() string {
return withEnvHint(f.GetEnvVars(), stringifyStringSliceFlag(f))
return withEnvHint(f.GetEnvVars(), f.stringify())
}
// GetValue returns the flags value as string representation and an empty
@ -129,6 +130,19 @@ func (f *StringSliceFlag) Get(ctx *Context) []string {
return ctx.StringSlice(f.Name)
}
func (f *StringSliceFlag) stringify() string {
var defaultVals []string
if f.Value != nil && len(f.Value.Value()) > 0 {
for _, s := range f.Value.Value() {
if len(s) > 0 {
defaultVals = append(defaultVals, strconv.Quote(s))
}
}
}
return stringifySliceFlag(f.Usage, f.Names(), defaultVals)
}
// StringSlice looks up the value of a local StringSliceFlag, returns
// nil if not found
func (cCtx *Context) StringSlice(name string) []string {

42
flag_test.go
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@ -544,11 +544,11 @@ var stringSliceFlagTests = []struct {
value *StringSlice
expected string
}{
{"foo", nil, NewStringSlice(""), "--foo value\t(accepts multiple inputs)"},
{"f", nil, NewStringSlice(""), "-f value\t(accepts multiple inputs)"},
{"f", nil, NewStringSlice("Lipstick"), "-f value\t(default: \"Lipstick\")\t(accepts multiple inputs)"},
{"test", nil, NewStringSlice("Something"), "--test value\t(default: \"Something\")\t(accepts multiple inputs)"},
{"dee", []string{"d"}, NewStringSlice("Inka", "Dinka", "dooo"), "--dee value, -d value\t(default: \"Inka\", \"Dinka\", \"dooo\")\t(accepts multiple inputs)"},
{"foo", nil, NewStringSlice(""), "--foo value [ --foo value ]\t"},
{"f", nil, NewStringSlice(""), "-f value [ -f value ]\t"},
{"f", nil, NewStringSlice("Lipstick"), "-f value [ -f value ]\t(default: \"Lipstick\")"},
{"test", nil, NewStringSlice("Something"), "--test value [ --test value ]\t(default: \"Something\")"},
{"dee", []string{"d"}, NewStringSlice("Inka", "Dinka", "dooo"), "--dee value, -d value [ --dee value, -d value ]\t(default: \"Inka\", \"Dinka\", \"dooo\")"},
}
func TestStringSliceFlagHelpOutput(t *testing.T) {
@ -897,9 +897,9 @@ var intSliceFlagTests = []struct {
value *IntSlice
expected string
}{
{"heads", nil, NewIntSlice(), "--heads value\t(accepts multiple inputs)"},
{"H", nil, NewIntSlice(), "-H value\t(accepts multiple inputs)"},
{"H", []string{"heads"}, NewIntSlice(9, 3), "-H value, --heads value\t(default: 9, 3)\t(accepts multiple inputs)"},
{"heads", nil, NewIntSlice(), "--heads value [ --heads value ]\t"},
{"H", nil, NewIntSlice(), "-H value [ -H value ]\t"},
{"H", []string{"heads"}, NewIntSlice(9, 3), "-H value, --heads value [ -H value, --heads value ]\t(default: 9, 3)"},
}
func TestIntSliceFlagHelpOutput(t *testing.T) {
@ -994,10 +994,10 @@ var int64SliceFlagTests = []struct {
value *Int64Slice
expected string
}{
{"heads", nil, NewInt64Slice(), "--heads value\t(accepts multiple inputs)"},
{"H", nil, NewInt64Slice(), "-H value\t(accepts multiple inputs)"},
{"heads", nil, NewInt64Slice(), "--heads value [ --heads value ]\t"},
{"H", nil, NewInt64Slice(), "-H value [ -H value ]\t"},
{"heads", []string{"H"}, NewInt64Slice(int64(2), int64(17179869184)),
"--heads value, -H value\t(default: 2, 17179869184)\t(accepts multiple inputs)"},
"--heads value, -H value [ --heads value, -H value ]\t(default: 2, 17179869184)"},
}
func TestInt64SliceFlagHelpOutput(t *testing.T) {
@ -1155,10 +1155,10 @@ var float64SliceFlagTests = []struct {
value *Float64Slice
expected string
}{
{"heads", nil, NewFloat64Slice(), "--heads value\t(accepts multiple inputs)"},
{"H", nil, NewFloat64Slice(), "-H value\t(accepts multiple inputs)"},
{"heads", nil, NewFloat64Slice(), "--heads value [ --heads value ]\t"},
{"H", nil, NewFloat64Slice(), "-H value [ -H value ]\t"},
{"heads", []string{"H"}, NewFloat64Slice(0.1234, -10.5),
"--heads value, -H value\t(default: 0.1234, -10.5)\t(accepts multiple inputs)"},
"--heads value, -H value [ --heads value, -H value ]\t(default: 0.1234, -10.5)"},
}
func TestFloat64SliceFlagHelpOutput(t *testing.T) {
@ -2384,43 +2384,43 @@ func TestFlagDefaultValue(t *testing.T) {
name: "stringSclice",
flag: &StringSliceFlag{Name: "flag", Value: NewStringSlice("default1", "default2")},
toParse: []string{"--flag", "parsed"},
expect: `--flag value (default: "default1", "default2") (accepts multiple inputs)`,
expect: `--flag value [ --flag value ] (default: "default1", "default2")`,
},
{
name: "float64Sclice",
flag: &Float64SliceFlag{Name: "flag", Value: NewFloat64Slice(1.1, 2.2)},
toParse: []string{"--flag", "13.3"},
expect: `--flag value (default: 1.1, 2.2) (accepts multiple inputs)`,
expect: `--flag value [ --flag value ] (default: 1.1, 2.2)`,
},
{
name: "int64Sclice",
flag: &Int64SliceFlag{Name: "flag", Value: NewInt64Slice(1, 2)},
toParse: []string{"--flag", "13"},
expect: `--flag value (default: 1, 2) (accepts multiple inputs)`,
expect: `--flag value [ --flag value ] (default: 1, 2)`,
},
{
name: "intSclice",
flag: &IntSliceFlag{Name: "flag", Value: NewIntSlice(1, 2)},
toParse: []string{"--flag", "13"},
expect: `--flag value (default: 1, 2) (accepts multiple inputs)`,
expect: `--flag value [ --flag value ] (default: 1, 2)`,
},
{
name: "string",
flag: &StringFlag{Name: "flag", Value: "default"},
toParse: []string{"--flag", "parsed"},
expect: `--flag value (default: "default")`,
expect: `--flag value (default: "default")`,
},
{
name: "bool",
flag: &BoolFlag{Name: "flag", Value: true},
toParse: []string{"--flag", "false"},
expect: `--flag (default: true)`,
expect: `--flag (default: true)`,
},
{
name: "uint64",
flag: &Uint64Flag{Name: "flag", Value: 1},
toParse: []string{"--flag", "13"},
expect: `--flag value (default: 1)`,
expect: `--flag value (default: 1)`,
},
}
for i, v := range cases {

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