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89 lines
2.4 KiB
89 lines
2.4 KiB
12 years ago
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// Copyright 2013 gopm authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"): you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations
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// under the License.
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package doc
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import (
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"fmt"
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"runtime"
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"strings"
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)
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const (
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Gray = uint8(iota + 90)
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Red
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Green
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Yellow
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Blue
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Magenta
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//NRed = uint8(31) // Normal
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EndColor = "\033[0m"
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)
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// ColorLog colors log and print to stdout.
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// Log format: <level> <content [highlight][path]> [ error ].
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// Level: TRAC -> blue; ERRO -> red; WARN -> Magenta; SUCC -> green; others -> default.
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// Content: default; path: yellow; error -> red.
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// Level has to be surrounded by "[" and "]".
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// Highlights have to be surrounded by "# " and " #"(space).
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// Paths have to be surrounded by "( " and " )"(sapce).
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// Errors have to be surrounded by "[ " and " ]"(space).
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func ColorLog(format string, a ...interface{}) {
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log := fmt.Sprintf(format, a...)
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if runtime.GOOS != "windows" {
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var clog string
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// Level.
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i := strings.Index(log, "]")
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if log[0] == '[' && i > -1 {
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clog += "[" + getColorLevel(log[1:i]) + "]"
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}
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log = log[i+1:]
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// Error.
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log = strings.Replace(log, "[ ", fmt.Sprintf("[\033[%dm", Red), -1)
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log = strings.Replace(log, " ]", EndColor+"]", -1)
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// Path.
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log = strings.Replace(log, "( ", fmt.Sprintf("(\033[%dm", Yellow), -1)
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log = strings.Replace(log, " )", EndColor+")", -1)
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// Highlights.
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log = strings.Replace(log, "# ", fmt.Sprintf("\033[%dm", Gray), -1)
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log = strings.Replace(log, " #", EndColor, -1)
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log = clog + log
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}
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fmt.Print(log)
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}
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// getColorLevel returns colored level string by given level.
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func getColorLevel(level string) string {
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level = strings.ToUpper(level)
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switch level {
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case "TRAC":
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return fmt.Sprintf("\033[%dm%s\033[0m", Blue, level)
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case "ERRO":
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return fmt.Sprintf("\033[%dm%s\033[0m", Red, level)
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case "WARN":
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return fmt.Sprintf("\033[%dm%s\033[0m", Magenta, level)
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case "SUCC":
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return fmt.Sprintf("\033[%dm%s\033[0m", Green, level)
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default:
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return level
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}
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}
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