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#include "nbt.h"
static bool nbt_print_header(const tag_t *tag, const stream_t *stream, bool named) {
if (stream_write_i8(stream, tag->type) == false)
return false;
if (!named)
return true;
if (stream_write_u16(stream, tag->name_len) == false)
return false;
if (tag->name_len > 0)
if (stream_write(stream, tag->name, tag->name_len) == false)
return false;
return true;
}
static bool nbt_print_byte_array(const tagdata_t *data, const stream_t *stream) {
if (stream_write_i32(stream, data->b_arr.size) == false)
return false;
for (int32_t i = 0; i < data->b_arr.size; i++)
if (stream_write_i8(stream, data->b_arr.data[i]) == false)
return false;
return true;
}
static bool nbt_print_int_array(const tagdata_t *data, const stream_t *stream) {
if (stream_write_i32(stream, data->i_arr.size) == false)
return false;
for (int32_t i = 0; i < data->i_arr.size; i++)
if (stream_write_i32(stream, data->i_arr.data[i]) == false)
return false;
return true;
}
static bool nbt_print_long_array(const tagdata_t *data, const stream_t *stream) {
if (stream_write_i32(stream, data->l_arr.size) == false)
return false;
for (int32_t i = 0; i < data->l_arr.size; i++)
if (stream_write_i64(stream, data->l_arr.data[i]) == false)
return false;
return true;
}
static bool nbt_print_string(const tagdata_t *data, const stream_t *stream) {
if (stream_write_u16(stream, data->string.size) == false)
return false;
if (data->string.size < 1)
return true;
if (stream_write(stream, data->string.data, data->string.size) == false)
return false;
return true;
}
static bool nbt_print_data(const tag_t *tag, const stream_t *stream);
static bool nbt_print_list(const tagdata_t *data, const stream_t *stream) {
if (stream_write_i8(stream, data->list.type) == false)
return false;
if (stream_write_i32(stream, data->list.size) == false)
return false;
for (int32_t i = 0; i < data->list.size; i++)
if (nbt_print_data(&data->list.tags[i], stream) == false)
return false;
return true;
}
static bool nbt_print_compound(const tagdata_t *data, const stream_t *stream) {
for (int32_t i = 0; i < data->compound.size; i++)
if (nbt_print(&data->compound.tags[i], stream) == false)
return false;
if (stream_write_i8(stream, TAG_END) == false)
return false;
return true;
}
static bool nbt_print_data(const tag_t *tag, const stream_t *stream) {
bool ok = true;
switch (tag->type) {
case TAG_END:
// tag end has no data
break;
case TAG_BYTE:
ok = stream_write_i8(stream, tag->data.b);
break;
case TAG_SHORT:
ok = stream_write_i16(stream, tag->data.s);
break;
case TAG_INT:
case TAG_FLOAT:
ok = stream_write_i32(stream, tag->data.i);
break;
case TAG_LONG:
case TAG_DOUBLE:
ok = stream_write_i64(stream, tag->data.l);
break;
case TAG_BYTE_ARRAY:
ok = nbt_print_byte_array(&tag->data, stream);
break;
case TAG_STRING:
ok = nbt_print_string(&tag->data, stream);
break;
case TAG_LIST:
ok = nbt_print_list(&tag->data, stream);
break;
case TAG_COMPOUND:
ok = nbt_print_compound(&tag->data, stream);
break;
case TAG_INT_ARRAY:
ok = nbt_print_int_array(&tag->data, stream);
break;
case TAG_LONG_ARRAY:
ok = nbt_print_long_array(&tag->data, stream);
break;
}
return ok;
}
bool nbt_print(const tag_t *tag, const stream_t *stream) {
if (nbt_print_header(tag, stream, true) == false)
return false;
if (nbt_print_data(tag, stream) == false)
return false;
return true;
}
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