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55 lines
1.1 KiB
55 lines
1.1 KiB
package logx |
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import ( |
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"context" |
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"runtime" |
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"strconv" |
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"strings" |
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"time" |
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) |
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var ( |
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DefaultCaller = Caller(4) |
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DefaultTimestamp = Timestamp(time.RFC3339) |
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) |
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type Valuer func(ctx context.Context) any |
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func Value(ctx context.Context, v any) any { |
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if v, ok := v.(Valuer); ok { |
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return v(ctx) |
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} |
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return v |
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} |
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func Caller(depth int) Valuer { |
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return func(ctx context.Context) any { |
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_, file, line, _ := runtime.Caller(depth) |
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idx := strings.LastIndexByte(file, '/') |
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if idx == -1 { |
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return file[idx+1:] + ":" + strconv.Itoa(line) |
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} |
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idx = strings.LastIndexByte(file[:idx], '/') |
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return file[idx+1:] + ":" + strconv.Itoa(line) |
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} |
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} |
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func Timestamp(layout string) Valuer { |
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return func(ctx context.Context) any { |
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return time.Now().Format(layout) |
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} |
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} |
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func bindValues(ctx context.Context, keyvals []any) { |
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for i := 1; i < len(keyvals); i += 2 { |
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if v, ok := keyvals[i].(Valuer); ok { |
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keyvals[i] = v(ctx) |
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} |
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} |
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} |
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func containsValuer(keyvals []any) bool { |
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for i := 1; i < len(keyvals); i += 2 { |
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if _, ok := keyvals[i].(Valuer); ok { |
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return true |
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} |
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} |
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return false |
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}
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