1 files changed, 83 insertions, 0 deletions
diff --git a/vendor/go.mau.fi/whatsmeow/util/log/log.go b/vendor/go.mau.fi/whatsmeow/util/log/log.go
new file mode 100644
index 00000000..2662cdea
--- /dev/null
+++ b/vendor/go.mau.fi/whatsmeow/util/log/log.go
@@ -0,0 +1,83 @@
+// Copyright (c) 2021 Tulir Asokan
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+// Package waLog contains a simple logger interface used by the other whatsmeow packages.
+package waLog
+
+import (
+	"fmt"
+	"strings"
+	"time"
+)
+
+// Logger is a simple logger interface that can have subloggers for specific areas.
+type Logger interface {
+	Warnf(msg string, args ...interface{})
+	Errorf(msg string, args ...interface{})
+	Infof(msg string, args ...interface{})
+	Debugf(msg string, args ...interface{})
+	Sub(module string) Logger
+}
+
+type noopLogger struct{}
+
+func (n *noopLogger) Errorf(_ string, _ ...interface{}) {}
+func (n *noopLogger) Warnf(_ string, _ ...interface{})  {}
+func (n *noopLogger) Infof(_ string, _ ...interface{})  {}
+func (n *noopLogger) Debugf(_ string, _ ...interface{}) {}
+func (n *noopLogger) Sub(_ string) Logger               { return n }
+
+// Noop is a no-op Logger implementation that silently drops everything.
+var Noop Logger = &noopLogger{}
+
+type stdoutLogger struct {
+	mod   string
+	color bool
+	min   int
+}
+
+var colors = map[string]string{
+	"INFO":  "\033[36m",
+	"WARN":  "\033[33m",
+	"ERROR": "\033[31m",
+}
+
+var levelToInt = map[string]int{
+	"":      -1,
+	"DEBUG": 0,
+	"INFO":  1,
+	"WARN":  2,
+	"ERROR": 3,
+}
+
+func (s *stdoutLogger) outputf(level, msg string, args ...interface{}) {
+	if levelToInt[level] < s.min {
+		return
+	}
+	var colorStart, colorReset string
+	if s.color {
+		colorStart = colors[level]
+		colorReset = "\033[0m"
+	}
+	fmt.Printf("%s%s [%s %s] %s%s\n", time.Now().Format("15:04:05.000"), colorStart, s.mod, level, fmt.Sprintf(msg, args...), colorReset)
+}
+
+func (s *stdoutLogger) Errorf(msg string, args ...interface{}) { s.outputf("ERROR", msg, args...) }
+func (s *stdoutLogger) Warnf(msg string, args ...interface{})  { s.outputf("WARN", msg, args...) }
+func (s *stdoutLogger) Infof(msg string, args ...interface{})  { s.outputf("INFO", msg, args...) }
+func (s *stdoutLogger) Debugf(msg string, args ...interface{}) { s.outputf("DEBUG", msg, args...) }
+func (s *stdoutLogger) Sub(mod string) Logger {
+	return &stdoutLogger{mod: fmt.Sprintf("%s/%s", s.mod, mod), color: s.color, min: s.min}
+}
+
+// Stdout is a simple Logger implementation that outputs to stdout. The module name given is included in log lines.
+//
+// minLevel specifies the minimum log level to output. An empty string will output all logs.
+//
+// If color is true, then info, warn and error logs will be colored cyan, yellow and red respectively using ANSI color escape codes.
+func Stdout(module string, minLevel string, color bool) Logger {
+	return &stdoutLogger{mod: module, color: color, min: levelToInt[strings.ToUpper(minLevel)]}
+}