57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
package common
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// For array/slice flags
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type StringArrayFlag interface {
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Values() []string
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WasExplicitlySet() bool
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Add(value string)
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Set(values []string)
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}
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type stringArrayFlag struct {
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values []string
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wasExplicitlySet bool
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}
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// NewStringArrayFlag creates a new StringArrayFlag with the given default values
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// Create a defensive copy of the default values to prevent external modifications
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// and to ensure that the original values remain unchanged.
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func NewStringArrayFlag(defaultValues []string) StringArrayFlag {
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valuesCopy := make([]string, len(defaultValues))
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copy(valuesCopy, defaultValues)
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return &stringArrayFlag{
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values: valuesCopy,
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wasExplicitlySet: false,
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}
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}
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// Values returns the values of the flag
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// It returns a copy of the values to prevent external modifications
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// and to ensure that the original values remain unchanged.
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// This is important for flags that may be modified by the user
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// or other parts of the program.
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func (f *stringArrayFlag) Values() []string {
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// Return a copy to prevent external modifications
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valuesCopy := make([]string, len(f.values))
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copy(valuesCopy, f.values)
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return valuesCopy
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}
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// WasExplicitlySet returns whether the flag was explicitly set
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func (f *stringArrayFlag) WasExplicitlySet() bool {
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return f.wasExplicitlySet
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}
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// Set sets the values and marks the flag as explicitly set
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func (f *stringArrayFlag) Set(values []string) {
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f.values = values
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f.wasExplicitlySet = true
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}
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// Add sets the value and marks the flag as explicitly set
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func (f *stringArrayFlag) Add(value string) {
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f.values = append(f.values, value)
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f.wasExplicitlySet = true
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}
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