github.com/nikandfor/tlog@v0.21.5-0.20231108111739-3ef89426a96d/examples/raw/main.go (about)

     1  package main
     2  
     3  import (
     4  	"github.com/nikandfor/tlog"
     5  	"github.com/nikandfor/tlog/tlwire"
     6  )
     7  
     8  type (
     9  	ValueEncoder struct {
    10  		b []byte
    11  	}
    12  )
    13  
    14  func main() {
    15  	var e tlwire.Encoder
    16  
    17  	// pre encode key-value pair
    18  	kvs := e.AppendKeyInt(nil, "raw_key_val", 4)
    19  
    20  	tlog.Printw("raw kv pair", tlog.RawMessage(kvs))
    21  
    22  	// pre encode value
    23  	val1 := e.AppendString(nil, "_value_")
    24  
    25  	tlog.Printw("raw value", "raw_value", tlog.RawMessage(val1))
    26  
    27  	// custom value encoding
    28  	val2 := ValueEncoder{
    29  		b: []byte{0x00, 0x11, 0x22},
    30  	}
    31  
    32  	tlog.Printw("custom value encoder", "custom_formatted", val2)
    33  
    34  	tlog.Printw("modifyer", "want_in_hex", tlog.NextAsHex, 42)
    35  
    36  	tlog.Printw("inline object", "object", tlog.RawTag(tlwire.Map, 2), "first_key", 42, "second_key", "val")
    37  }
    38  
    39  func (x ValueEncoder) TlogAppend(b []byte) []byte {
    40  	var e tlwire.Encoder
    41  	b = e.AppendTag(b, tlwire.Semantic, tlwire.Hex)
    42  	b = e.AppendBytes(b, x.b)
    43  	return b
    44  }