mirror of https://github.com/anoshenko/rui.git
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
package rui
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import "sort"
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// Params defines a type of a parameters list
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type Params map[PropertyName]any
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// Get returns a value of the property with name defined by the argument. The type of return value depends
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// on the property. If the property is not set then nil is returned.
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func (params Params) Get(tag PropertyName) any {
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return params.getRaw(tag)
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}
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func (params Params) getRaw(tag PropertyName) any {
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if value, ok := params[tag]; ok {
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return value
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}
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return nil
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}
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// Set sets the value (second argument) of the property with name defined by the first argument.
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// Return "true" if the value has been set, in the opposite case "false" is returned and a description of an error is written to the log
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func (params Params) Set(tag PropertyName, value any) bool {
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params.setRaw(tag, value)
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return true
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}
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func (params Params) setRaw(tag PropertyName, value any) {
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if value != nil {
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params[tag] = value
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} else {
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delete(params, tag)
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}
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}
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// Remove removes the property with name defined by the argument from a map.
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func (params Params) Remove(tag PropertyName) {
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delete(params, tag)
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}
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// Clear removes all properties from a map.
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func (params Params) Clear() {
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for tag := range params {
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delete(params, tag)
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}
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}
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// AllTags returns a sorted slice of all properties.
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func (params Params) AllTags() []PropertyName {
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tags := make([]PropertyName, 0, len(params))
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for t := range params {
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tags = append(tags, t)
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}
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sort.Slice(tags, func(i, j int) bool {
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return tags[i] < tags[j]
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})
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return tags
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}
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func (params Params) empty() bool {
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return len(params) == 0
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}
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