From 64500ab0fa68bd2c45e2f5459462faaaa675cb28 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C3=A9ter=20Szil=C3=A1gyi?= Date: Tue, 18 Oct 2016 11:18:07 +0300 Subject: common, core, eth/downloader: adjust import log formatting --- common/format.go | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 common/format.go (limited to 'common/format.go') diff --git a/common/format.go b/common/format.go new file mode 100644 index 000000000..119637d2e --- /dev/null +++ b/common/format.go @@ -0,0 +1,40 @@ +// Copyright 2016 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +package common + +import ( + "fmt" + "regexp" + "strings" + "time" +) + +// PrettyDuration is a pretty printed version of a time.Duration value that cuts +// the unnecessary precision off from the formatted textual representation. +type PrettyDuration time.Duration + +var prettyDurationRe = regexp.MustCompile("\\.[0-9]+") + +// String implements the Stringer interface, allowing pretty printing of duration +// values rounded to three decimals. +func (d PrettyDuration) String() string { + label := fmt.Sprintf("%v", time.Duration(d)) + if match := prettyDurationRe.FindString(label); len(match) > 4 { + label = strings.Replace(label, match, match[:4], 1) + } + return label +} -- cgit v1.2.3