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- //
- // imag - the personal information management suite for the commandline
- // Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
- //
- // This 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; version
- // 2.1 of the License.
- //
- // This 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 this library; if not, write to the Free Software
- // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- //
- use std::io::Write;
- use std::io::stderr;
- use log::{Log, LogLevel, LogRecord, LogMetadata};
- use ansi_term::Style;
- use ansi_term::Colour;
- use ansi_term::ANSIString;
- pub struct ImagLogger {
- lvl: LogLevel,
- color_enabled: bool,
- }
- impl ImagLogger {
- pub fn new(lvl: LogLevel) -> ImagLogger {
- ImagLogger {
- lvl: lvl,
- color_enabled: true
- }
- }
- pub fn with_color(mut self, b: bool) -> ImagLogger {
- self.color_enabled = b;
- self
- }
- fn style_or_not(&self, c: Style, s: String) -> ANSIString {
- if self.color_enabled {
- c.paint(s)
- } else {
- ANSIString::from(s)
- }
- }
- fn color_or_not(&self, c: Colour, s: String) -> ANSIString {
- if self.color_enabled {
- c.paint(s)
- } else {
- ANSIString::from(s)
- }
- }
- }
- impl Log for ImagLogger {
- fn enabled(&self, metadata: &LogMetadata) -> bool {
- metadata.level() <= self.lvl
- }
- fn log(&self, record: &LogRecord) {
- use ansi_term::Colour::Red;
- use ansi_term::Colour::Yellow;
- use ansi_term::Colour::Cyan;
- if self.enabled(record.metadata()) {
- // TODO: This is just simple logging. Maybe we can enhance this lateron
- let loc = record.location();
- match record.metadata().level() {
- LogLevel::Debug => {
- let lvl = self.color_or_not(Cyan, format!("{}", record.level()));
- let file = self.color_or_not(Cyan, format!("{}", loc.file()));
- let ln = self.color_or_not(Cyan, format!("{}", loc.line()));
- let args = self.color_or_not(Cyan, format!("{}", record.args()));
- writeln!(stderr(), "[imag][{: <5}][{}][{: >5}]: {}", lvl, file, ln, args).ok();
- },
- LogLevel::Warn | LogLevel::Error => {
- let lvl = self.style_or_not(Red.blink(), format!("{}", record.level()));
- let args = self.color_or_not(Red, format!("{}", record.args()));
- writeln!(stderr(), "[imag][{: <5}]: {}", lvl, args).ok();
- },
- LogLevel::Info => {
- let lvl = self.color_or_not(Yellow, format!("{}", record.level()));
- let args = self.color_or_not(Yellow, format!("{}", record.args()));
- writeln!(stderr(), "[imag][{: <5}]: {}", lvl, args).ok();
- },
- _ => {
- writeln!(stderr(), "[imag][{: <5}]: {}", record.level(), record.args()).ok();
- },
- }
- }
- }
- }
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