59376294ef
Let's cache the scancodes and flush them at the end. Also make sure to send only as many as the driver can send correctly. It's important here to chunk the scancodes correctly, so that we don't accidentally split them over successive calls to the driver
75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
package objx
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// Exclude returns a new Map with the keys in the specified []string
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// excluded.
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func (m Map) Exclude(exclude []string) Map {
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excluded := make(Map)
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for k, v := range m {
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var shouldInclude = true
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for _, toExclude := range exclude {
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if k == toExclude {
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shouldInclude = false
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break
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}
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}
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if shouldInclude {
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excluded[k] = v
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}
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}
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return excluded
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}
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// Copy creates a shallow copy of the Obj.
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func (m Map) Copy() Map {
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copied := make(map[string]interface{})
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for k, v := range m {
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copied[k] = v
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}
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return New(copied)
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}
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// Merge blends the specified map with a copy of this map and returns the result.
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//
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// Keys that appear in both will be selected from the specified map.
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// This method requires that the wrapped object be a map[string]interface{}
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func (m Map) Merge(merge Map) Map {
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return m.Copy().MergeHere(merge)
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}
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// MergeHere blends the specified map with this map and returns the current map.
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//
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// Keys that appear in both will be selected from the specified map. The original map
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// will be modified. This method requires that
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// the wrapped object be a map[string]interface{}
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func (m Map) MergeHere(merge Map) Map {
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for k, v := range merge {
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m[k] = v
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}
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return m
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}
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// Transform builds a new Obj giving the transformer a chance
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// to change the keys and values as it goes. This method requires that
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// the wrapped object be a map[string]interface{}
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func (m Map) Transform(transformer func(key string, value interface{}) (string, interface{})) Map {
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newMap := make(map[string]interface{})
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for k, v := range m {
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modifiedKey, modifiedVal := transformer(k, v)
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newMap[modifiedKey] = modifiedVal
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}
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return New(newMap)
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}
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// TransformKeys builds a new map using the specified key mapping.
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//
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// Unspecified keys will be unaltered.
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// This method requires that the wrapped object be a map[string]interface{}
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func (m Map) TransformKeys(mapping map[string]string) Map {
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return m.Transform(func(key string, value interface{}) (string, interface{}) {
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if newKey, ok := mapping[key]; ok {
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return newKey, value
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}
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return key, value
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})
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}
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