114 lines
2.5 KiB
Go
114 lines
2.5 KiB
Go
package mangler
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import (
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"unsafe"
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_ "unsafe"
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)
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// Notes:
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// the use of unsafe conversion from the direct interface values to
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// the chosen types in each of the below functions allows us to convert
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// not only those types directly, but anything type-aliased to those
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// types. e.g. `time.Duration` directly as int64.
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func mangle_string(buf []byte, ptr unsafe.Pointer) []byte {
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return append(buf, *(*string)(ptr)...)
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}
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func mangle_string_slice(buf []byte, ptr unsafe.Pointer) []byte {
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s := *(*[]string)(ptr)
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for _, s := range s {
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buf = append(buf, s...)
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buf = append(buf, ',')
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}
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if len(s) > 0 {
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buf = buf[:len(buf)-1]
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}
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return buf
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}
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func mangle_bool(buf []byte, ptr unsafe.Pointer) []byte {
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if *(*bool)(ptr) {
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return append(buf, '1')
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}
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return append(buf, '0')
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}
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func mangle_bool_slice(buf []byte, ptr unsafe.Pointer) []byte {
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for _, b := range *(*[]bool)(ptr) {
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if b {
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buf = append(buf, '1')
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} else {
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buf = append(buf, '0')
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}
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}
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return buf
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}
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func mangle_8bit(buf []byte, ptr unsafe.Pointer) []byte {
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return append(buf, *(*uint8)(ptr))
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}
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func mangle_8bit_slice(buf []byte, ptr unsafe.Pointer) []byte {
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return append(buf, *(*[]uint8)(ptr)...)
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}
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func mangle_16bit(buf []byte, ptr unsafe.Pointer) []byte {
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return append_uint16(buf, *(*uint16)(ptr))
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}
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func mangle_16bit_slice(buf []byte, ptr unsafe.Pointer) []byte {
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for _, u := range *(*[]uint16)(ptr) {
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buf = append_uint16(buf, u)
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}
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return buf
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}
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func mangle_32bit(buf []byte, ptr unsafe.Pointer) []byte {
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return append_uint32(buf, *(*uint32)(ptr))
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}
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func mangle_32bit_slice(buf []byte, ptr unsafe.Pointer) []byte {
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for _, u := range *(*[]uint32)(ptr) {
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buf = append_uint32(buf, u)
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}
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return buf
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}
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func mangle_64bit(buf []byte, ptr unsafe.Pointer) []byte {
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return append_uint64(buf, *(*uint64)(ptr))
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}
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func mangle_64bit_slice(buf []byte, ptr unsafe.Pointer) []byte {
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for _, u := range *(*[]uint64)(ptr) {
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buf = append_uint64(buf, u)
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}
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return buf
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}
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func mangle_int(buf []byte, ptr unsafe.Pointer) []byte {
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return append_uint64(buf, uint64(*(*uint)(ptr)))
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}
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func mangle_int_slice(buf []byte, ptr unsafe.Pointer) []byte {
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for _, u := range *(*[]uint)(ptr) {
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buf = append_uint64(buf, uint64(u))
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}
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return buf
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}
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func mangle_128bit(buf []byte, ptr unsafe.Pointer) []byte {
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u2 := *(*[2]uint64)(ptr)
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buf = append_uint64(buf, u2[0])
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buf = append_uint64(buf, u2[1])
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return buf
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}
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func mangle_128bit_slice(buf []byte, ptr unsafe.Pointer) []byte {
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for _, u2 := range *(*[][2]uint64)(ptr) {
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buf = append_uint64(buf, u2[0])
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buf = append_uint64(buf, u2[1])
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}
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return buf
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}
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