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https://github.com/OpenDiablo2/OpenDiablo2
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50d40fb5d3
* adding logger implementation to d2common * Adding file loader implementation The file loader works in terms of `Sources` and `Assets`. A `Source` is something like a filesystem that has a cache. An `Asset` is something that implements `io.ReadSeeker` and has a few methods of its own. There are currently `Source` implementations for MPQ archives and for the host filesystem, meaning that one can specify a directory on the host fs to load files from. `Sources` are added to a loader with `loader.AddSource(path)`, where `path` resolves somewhere on disk. In the case that the path points to an MPQ, then an MPQ `Source` is created and added to the loader. If `path` resolves to a directory, then a filesystem source is added. Files are loaded with `loader.Load("data/global/excel/monstats.txt")`, and the sources are searched in the order that they were added. * adding tests for d2common/logger_test.go * adding tests and testdata for d2loader * logger lint fixes, fixed missing test case * minor edits, lint fixes, changes some comments, embedded Logger into Loader * moved d2loader into d2common (I dont think it belonged in d2core) * removed my simple cache implementation in favor of our existing cache in d2common
102 lines
1.7 KiB
Go
102 lines
1.7 KiB
Go
package d2common
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import (
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"fmt"
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"io"
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)
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// LogLevel determines how verbose the logging is (higher is more verbose)
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type LogLevel int
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// Log levels
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const (
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LogLevelNone LogLevel = iota
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LogLevelError
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LogLevelWarning
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LogLevelInfo
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LogLevelDebug
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)
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// Log format strings for log levels
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const (
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LogFmtDebug = "[DEBUG] %s\n\r"
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LogFmtInfo = "[INFO] %s\n\r"
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LogFmtWarning = "[WARNING] %s\n\r"
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LogFmtError = "[ERROR] %s\n\r"
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)
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// Logger is used to write log messages, and can have a log level to determine verbosity
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type Logger struct {
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io.Writer
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level LogLevel
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}
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// SetLevel sets the log level
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func (l *Logger) SetLevel(level LogLevel) {
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l.level = level
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}
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// Debug logs a debug message
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func (l *Logger) Debug(msg string) {
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if l == nil {
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return
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}
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l.print(LogLevelDebug, msg)
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}
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// Info logs an info message
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func (l *Logger) Info(msg string) {
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if l == nil {
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return
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}
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l.print(LogLevelInfo, msg)
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}
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// Warning logs a warning message
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func (l *Logger) Warning(msg string) {
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if l == nil {
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return
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}
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l.print(LogLevelWarning, msg)
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}
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// Error logs an error message
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func (l *Logger) Error(msg string) {
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if l == nil {
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return
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}
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l.print(LogLevelError, msg)
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}
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func (l *Logger) print(level LogLevel, msg string) {
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if l == nil || l.level < level {
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return
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}
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fmtString := ""
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switch level {
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case LogLevelDebug:
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fmtString = LogFmtDebug
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case LogLevelInfo:
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fmtString = LogFmtInfo
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case LogLevelWarning:
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fmtString = LogFmtWarning
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case LogLevelError:
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fmtString = LogFmtError
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case LogLevelNone:
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default:
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return
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}
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_, _ = l.Write(format(fmtString, []byte(msg)))
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}
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func format(fmtStr string, fmtInput []byte) []byte {
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return []byte(fmt.Sprintf(fmtStr, string(fmtInput)))
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}
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