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the logger.Permission interface indicates whether the environment making the logging request is allowed to create new log entries. the environment.Environment type satisifies the Permission interface logger.Allow is provided as a convienient way of indicating the the log entry should always be created
33 lines
1.5 KiB
Go
33 lines
1.5 KiB
Go
// This file is part of Gopher2600.
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//
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// Gopher2600 is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Gopher2600 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
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// Package logger is the central log repository for gopher2600. There is a
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// single log for the entire application and can be accessed through the
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// package level functions.
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//
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// New log entries are made with the package level Log() and Logf() functions.
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// Both these functions require an implementation of the Permission interface.
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// This interface tests whether the environment making the logging request is
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// allowed to make new log entries.
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//
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// The environment.Environment type satisfies the Permission interface. If it's
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// not convenient to provide an instance of that type then logging.Allow can be
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// used to provide blanket permission to the caller.
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//
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// The Colorizer type can be used with SetEcho() to output a simply coloured
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// log entries (using ANSI control codes).
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//
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// The logger package should not be used inside any init() function.
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package logger
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