36 lines
1.2 KiB
Go
36 lines
1.2 KiB
Go
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package colog
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// Hook is the interface to be implemented by event hooks
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type Hook interface {
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Levels() []Level // returns the set of levels for which the hook should be triggered
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Fire(*Entry) error // triggers the hook, this function will be called for every eligible log entry
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}
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// Formatter interface must be implemented by message formatters
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// Format(*Entry) will be called and the resulting bytes sent to output
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type Formatter interface {
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Format(*Entry) ([]byte, error) // The actual formatter called every time
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SetFlags(flags int) // Like the standard log.SetFlags(flags int)
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Flags() int // Like the standard log.Flags() int
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}
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// ColorFormatter interface can be implemented by formatters
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// to get notifications on whether the output supports color
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type ColorFormatter interface {
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Formatter
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ColorSupported(yes bool)
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}
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// ColorSupporter interface can be implemented by "smart"
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// outputs that want to handle color display themselves
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type ColorSupporter interface {
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ColorSupported() bool
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}
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// Extractor interface must be implemented by data extractors
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// the extractor reads the message and tries to extract key-value
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// pairs from the message and sets the in the entry
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type Extractor interface {
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Extract(*Entry) error
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}
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