diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Handle.cc | 53 | ||||
-rw-r--r-- | lib/LuaHandle.cc | 44 |
2 files changed, 97 insertions, 0 deletions
diff --git a/lib/Handle.cc b/lib/Handle.cc index 56e6c62..3e437a3 100644 --- a/lib/Handle.cc +++ b/lib/Handle.cc @@ -21,6 +21,7 @@ #include <string.h> #include <errno.h> #include <fcntl.h> +#include <ucl/ucl.h> #ifdef HAVE_CONFIG_H #include "config.h" @@ -870,3 +871,55 @@ int Handle::zlib_deflate(Handle * in, Handle * out) throw (GeneralException) { return total_out; } + +int Handle::ucl_compress(Handle * in, Handle * out) throw (GeneralException) { + if (ucl_init() != UCL_E_OK) + throw GeneralException("ucl_init failed"); + + unsigned char * b_in, * b_out; + unsigned int len_in, len_out; + + len_in = in->GetSize(); + len_out = len_in + len_in / 8 + 256; + + b_in = (unsigned char *) malloc(len_in); + b_out = (unsigned char *) malloc(len_out); + in->read(b_in, len_in); + + int r = ucl_nrv2e_99_compress(b_in, len_in, b_out, &len_out, NULL, 10, NULL, NULL); + if (r != UCL_E_OK) + throw GeneralException("Error happened during ucl_nrv2b_99_compress"); + + out->write(b_out, len_out); + + free(b_out); + free(b_in); + + return len_out; +} + +int Handle::ucl_decompress(Handle * in, Handle * out) throw (GeneralException) { + if (ucl_init() != UCL_E_OK) + throw GeneralException("ucl_init failed"); + + unsigned char * b_in, * b_out; + unsigned int len_in, len_out; + + len_in = in->GetSize(); + len_out = len_in + len_in / 8 + 256; + + b_in = (unsigned char *) malloc(len_in); + b_out = (unsigned char *) malloc(len_out); + in->read(b_in, len_in); + + int r = ucl_nrv2e_decompress_8(b_in, len_in, b_out, &len_out, NULL); + if (r != UCL_E_OK) + throw GeneralException("Error happened during ucl_nrv2b_decompress_32"); + + out->write(b_out, len_out); + + free(b_out); + free(b_in); + + return len_out; +} diff --git a/lib/LuaHandle.cc b/lib/LuaHandle.cc index e336f54..e2b621e 100644 --- a/lib/LuaHandle.cc +++ b/lib/LuaHandle.cc @@ -72,6 +72,8 @@ class sLuaHandle : public Base { static int get_nb_buffer(lua_State * L); static int zlib_inflate(lua_State * L); static int zlib_deflate(lua_State * L); + static int ucl_compress(lua_State * L); + static int ucl_decompress(lua_State * L); private: static int read(lua_State * L, int); static int write(lua_State * L, int); @@ -581,6 +583,46 @@ int sLuaHandle::zlib_deflate(lua_State * __L) { return 1; } +int sLuaHandle::ucl_compress(lua_State * __L) { + Lua * L = Lua::find(__L); + int n = L->gettop(); + Handle * s, * d; + int r; + + if (n != 2) { + L->error("Incorrect arguments to method `Handle::ucl_compress'"); + } + + s = (Handle *) LuaObject::getme(L, 1); + d = (Handle *) LuaObject::getme(L, 2); + + r = Handle::ucl_compress(s, d); + + L->push((lua_Number) r); + + return 1; +} + +int sLuaHandle::ucl_decompress(lua_State * __L) { + Lua * L = Lua::find(__L); + int n = L->gettop(); + Handle * s, * d; + int r; + + if (n != 2) { + L->error("Incorrect arguments to method `Handle::ucl_decompress'"); + } + + s = (Handle *) LuaObject::getme(L, 1); + d = (Handle *) LuaObject::getme(L, 2); + + r = Handle::ucl_decompress(s, d); + + L->push((lua_Number) r); + + return 1; +} + int sLuaHandle::seek(lua_State * __L) { Lua * L = Lua::find(__L); int n = L->gettop(); @@ -819,4 +861,6 @@ void LuaHandle::pushconstruct(Lua * L) { L->declarefunc("zlib_inflate", sLuaHandle::zlib_inflate); L->declarefunc("zlib_deflate", sLuaHandle::zlib_deflate); + L->declarefunc("ucl_compress", sLuaHandle::ucl_compress); + L->declarefunc("ucl_decompress", sLuaHandle::ucl_decompress); } |