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adding support for prefix matching against aliases & names

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This commit is contained in:
spf13 2014-10-07 15:41:19 -04:00
parent 881657297e
commit c2c23ac0bd
2 changed files with 43 additions and 0 deletions
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28
cobra_test.go
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@ -208,6 +208,34 @@ func TestCommandAlias(t *testing.T) {
}
}
func TestPrefixMatching(t *testing.T) {
noRRSetupTest("ech times one two")
if te != nil || tp != nil {
t.Error("Wrong command called")
}
if tt == nil {
t.Error("Wrong command called")
}
if strings.Join(tt, " ") != "one two" {
t.Error("Command didn't parse correctly")
}
}
func TestAliasPrefixMatching(t *testing.T) {
noRRSetupTest("sa times one two")
if te != nil || tp != nil {
t.Error("Wrong command called")
}
if tt == nil {
t.Error("Wrong command called")
}
if strings.Join(tt, " ") != "one two" {
t.Error("Command didn't parse correctly")
}
}
func TestChildSameName(t *testing.T) {
c := initializeWithSameName()
c.AddCommand(cmdPrint, cmdEcho)

15
command.go
View file

@ -286,11 +286,26 @@ func (c *Command) Find(arrs []string) (*Command, []string, error) {
if len(args) > 0 && c.HasSubCommands() {
argsWOflags := stripFlags(args)
if len(argsWOflags) > 0 {
matches := make([]*Command, 0)
for _, cmd := range c.commands {
if cmd.Name() == argsWOflags[0] || cmd.HasAlias(argsWOflags[0]) { // exact name or alias match
return innerfind(cmd, argsMinusX(args, argsWOflags[0]))
} else {
if strings.HasPrefix(cmd.Name(), argsWOflags[0]) { // prefix match
matches = append(matches, cmd)
}
for _, x := range cmd.Aliases {
if strings.HasPrefix(x, argsWOflags[0]) {
matches = append(matches, cmd)
}
}
}
}
// only accept a single prefix match - multiple matches would be ambiguous
if len(matches) == 1 {
return innerfind(matches[0], argsMinusX(args, argsWOflags[0]))
}
}
}