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#include "msgpack/unpack.hpp"
#include "unpack_context.hpp"
#include <stdlib.h>
namespace msgpack {
struct unpacker::context {
context(zone& z)
{
msgpack_unpacker_init(&m_ctx);
m_ctx.user = &z;
}
~context() { }
int execute(const void* data, size_t len, size_t* off)
{
return msgpack_unpacker_execute(&m_ctx, (const char*)data, len, off);
}
object_class* data()
{
return msgpack_unpacker_data(&m_ctx);
}
void reset()
{
zone* z = m_ctx.user;
msgpack_unpacker_init(&m_ctx);
m_ctx.user = z;
}
private:
msgpack_unpacker m_ctx;
private:
context();
context(const context&);
};
unpacker::unpacker(zone& z) :
m_ctx(new context(z)),
m_zone(z),
m_finished(false)
{ }
unpacker::~unpacker() { delete m_ctx; }
size_t unpacker::execute(const void* data, size_t len, size_t off)
{
int ret = m_ctx->execute(data, len, &off);
if(ret < 0) {
throw unpack_error("parse error");
} else if(ret > 0) {
m_finished = true;
return off;
} else {
m_finished = false;
return off;
}
}
object unpacker::data()
{
return object(m_ctx->data());
}
void unpacker::reset()
{
m_ctx->reset();
}
object unpacker::unpack(const void* data, size_t len, zone& z)
{
context ctx(z);
size_t off = 0;
int ret = ctx.execute(data, len, &off);
if(ret < 0) {
throw unpack_error("parse error");
} else if(ret == 0) {
throw unpack_error("insufficient bytes");
} else if(off < len) {
throw unpack_error("extra bytes");
}
return ctx.data();
}
} // namespace msgpack
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