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-rw-r--r--lib/Handle.cc53
-rw-r--r--lib/LuaHandle.cc44
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);
}