class

Fancyline::History

Inherits Reference < Object

Manages the input history

Constants

DEFAULT_IGNORE_PREFIX = " "

Default ignore prefix

DEFAULT_MAX_SIZE = 1000

Default value of maximum history size

Constructors

new(max : Int32 = DEFAULT_MAX_SIZE)
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Instance methods

add(line : String | Nil) : Bool

Adds line to the history, except if:

  • line is nil
  • line is empty
  • line only consists of blank characters
  • line starts with the #ignore_prefix
  • line matches the most recent entry in the history

Returns true if the line was added.

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ignore?(line : String | Nil)

Returns true if line should be ignored. See #add for all rules.

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ignore_prefix

If a line to add starts with this string, it's not recorded.

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ignore_prefix=(ignore_prefix : String)

If a line to add starts with this string, it's not recorded.

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lines

Lines in the history. The first entry is the oldest. Maximum size can be controlled through #max=

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load(io : IO)

Replaces the current history with the lines from io. io is read till the end, with later lines representing more-recent history entries.

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max

Max count of history entries to keep

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max=(max : Int32)

Max count of history entries to keep

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save(io : IO)

Writes the history into io.

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