45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package Common
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// StreamWriter allows you to create a byte array by streaming in writes of various sizes
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type StreamWriter struct {
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data []byte
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}
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// CreateStreamWriter creates a new StreamWriter instance
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func CreateStreamWriter() *StreamWriter {
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result := &StreamWriter{
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data: make([]byte, 0),
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}
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return result
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}
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// PushByte writes a byte to the stream
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func (v *StreamWriter) PushByte(val byte) {
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v.data = append(v.data, val)
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}
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// PushWord writes an uint16 word to the stream
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func (v *StreamWriter) PushWord(val uint16) {
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v.data = append(v.data, byte(val&0xFF))
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v.data = append(v.data, byte((val>>8)&0xFF))
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}
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// PushSWord writes a int16 word to the stream
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func (v *StreamWriter) PushSWord(val int16) {
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v.data = append(v.data, byte(val&0xFF))
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v.data = append(v.data, byte((val>>8)&0xFF))
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}
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// PushDword writes a uint32 dword to the stream
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func (v *StreamWriter) PushDword(val uint32) {
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v.data = append(v.data, byte(val&0xFF))
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v.data = append(v.data, byte((val>>8)&0xFF))
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v.data = append(v.data, byte((val>>16)&0xFF))
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v.data = append(v.data, byte((val>>24)&0xFF))
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}
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// GetBytes returns the the byte slice of the underlying data
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func (v *StreamWriter) GetBytes() []byte {
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return v.data
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}
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