diff options
Diffstat (limited to 'squirrel_3_0_1_stable/sqstdlib/sqstdblob.cpp')
| -rw-r--r-- | squirrel_3_0_1_stable/sqstdlib/sqstdblob.cpp | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/squirrel_3_0_1_stable/sqstdlib/sqstdblob.cpp b/squirrel_3_0_1_stable/sqstdlib/sqstdblob.cpp deleted file mode 100644 index a856db5e7..000000000 --- a/squirrel_3_0_1_stable/sqstdlib/sqstdblob.cpp +++ /dev/null @@ -1,275 +0,0 @@ -/* see copyright notice in squirrel.h */ -#include <new> -#include <squirrel.h> -#include <sqstdio.h> -#include <string.h> -#include <sqstdblob.h> -#include "sqstdstream.h" -#include "sqstdblobimpl.h" - -#define SQSTD_BLOB_TYPE_TAG (SQSTD_STREAM_TYPE_TAG | 0x00000002) - -//Blob - - -#define SETUP_BLOB(v) \ - SQBlob *self = NULL; \ - { if(SQ_FAILED(sq_getinstanceup(v,1,(SQUserPointer*)&self,(SQUserPointer)SQSTD_BLOB_TYPE_TAG))) \ - return SQ_ERROR; } - - -static SQInteger _blob_resize(HSQUIRRELVM v) -{ - SETUP_BLOB(v); - SQInteger size; - sq_getinteger(v,2,&size); - if(!self->Resize(size)) - return sq_throwerror(v,_SC("resize failed")); - return 0; -} - -static void __swap_dword(unsigned int *n) -{ - *n=(unsigned int)(((*n&0xFF000000)>>24) | - ((*n&0x00FF0000)>>8) | - ((*n&0x0000FF00)<<8) | - ((*n&0x000000FF)<<24)); -} - -static void __swap_word(unsigned short *n) -{ - *n=(unsigned short)((*n>>8)&0x00FF)| ((*n<<8)&0xFF00); -} - -static SQInteger _blob_swap4(HSQUIRRELVM v) -{ - SETUP_BLOB(v); - SQInteger num=(self->Len()-(self->Len()%4))>>2; - unsigned int *t=(unsigned int *)self->GetBuf(); - for(SQInteger i = 0; i < num; i++) { - __swap_dword(&t[i]); - } - return 0; -} - -static SQInteger _blob_swap2(HSQUIRRELVM v) -{ - SETUP_BLOB(v); - SQInteger num=(self->Len()-(self->Len()%2))>>1; - unsigned short *t = (unsigned short *)self->GetBuf(); - for(SQInteger i = 0; i < num; i++) { - __swap_word(&t[i]); - } - return 0; -} - -static SQInteger _blob__set(HSQUIRRELVM v) -{ - SETUP_BLOB(v); - SQInteger idx,val; - sq_getinteger(v,2,&idx); - sq_getinteger(v,3,&val); - if(idx < 0 || idx >= self->Len()) - return sq_throwerror(v,_SC("index out of range")); - ((unsigned char *)self->GetBuf())[idx] = (unsigned char) val; - sq_push(v,3); - return 1; -} - -static SQInteger _blob__get(HSQUIRRELVM v) -{ - SETUP_BLOB(v); - SQInteger idx; - sq_getinteger(v,2,&idx); - if(idx < 0 || idx >= self->Len()) - return sq_throwerror(v,_SC("index out of range")); - sq_pushinteger(v,((unsigned char *)self->GetBuf())[idx]); - return 1; -} - -static SQInteger _blob__nexti(HSQUIRRELVM v) -{ - SETUP_BLOB(v); - if(sq_gettype(v,2) == OT_NULL) { - sq_pushinteger(v, 0); - return 1; - } - SQInteger idx; - if(SQ_SUCCEEDED(sq_getinteger(v, 2, &idx))) { - if(idx+1 < self->Len()) { - sq_pushinteger(v, idx+1); - return 1; - } - sq_pushnull(v); - return 1; - } - return sq_throwerror(v,_SC("internal error (_nexti) wrong argument type")); -} - -static SQInteger _blob__typeof(HSQUIRRELVM v) -{ - sq_pushstring(v,_SC("blob"),-1); - return 1; -} - -static SQInteger _blob_releasehook(SQUserPointer p, SQInteger size) -{ - SQBlob *self = (SQBlob*)p; - self->~SQBlob(); - sq_free(self,sizeof(SQBlob)); - return 1; -} - -static SQInteger _blob_constructor(HSQUIRRELVM v) -{ - SQInteger nparam = sq_gettop(v); - SQInteger size = 0; - if(nparam == 2) { - sq_getinteger(v, 2, &size); - } - if(size < 0) return sq_throwerror(v, _SC("cannot create blob with negative size")); - //SQBlob *b = new SQBlob(size); - - SQBlob *b = new (sq_malloc(sizeof(SQBlob)))SQBlob(size); - if(SQ_FAILED(sq_setinstanceup(v,1,b))) { - b->~SQBlob(); - sq_free(b,sizeof(SQBlob)); - return sq_throwerror(v, _SC("cannot create blob")); - } - sq_setreleasehook(v,1,_blob_releasehook); - return 0; -} - -static SQInteger _blob__cloned(HSQUIRRELVM v) -{ - SQBlob *other = NULL; - { - if(SQ_FAILED(sq_getinstanceup(v,2,(SQUserPointer*)&other,(SQUserPointer)SQSTD_BLOB_TYPE_TAG))) - return SQ_ERROR; - } - //SQBlob *thisone = new SQBlob(other->Len()); - SQBlob *thisone = new (sq_malloc(sizeof(SQBlob)))SQBlob(other->Len()); - memcpy(thisone->GetBuf(),other->GetBuf(),thisone->Len()); - if(SQ_FAILED(sq_setinstanceup(v,1,thisone))) { - thisone->~SQBlob(); - sq_free(thisone,sizeof(SQBlob)); - return sq_throwerror(v, _SC("cannot clone blob")); - } - sq_setreleasehook(v,1,_blob_releasehook); - return 0; -} - -#define _DECL_BLOB_FUNC(name,nparams,typecheck) {_SC(#name),_blob_##name,nparams,typecheck} -static SQRegFunction _blob_methods[] = { - _DECL_BLOB_FUNC(constructor,-1,_SC("xn")), - _DECL_BLOB_FUNC(resize,2,_SC("xn")), - _DECL_BLOB_FUNC(swap2,1,_SC("x")), - _DECL_BLOB_FUNC(swap4,1,_SC("x")), - _DECL_BLOB_FUNC(_set,3,_SC("xnn")), - _DECL_BLOB_FUNC(_get,2,_SC("xn")), - _DECL_BLOB_FUNC(_typeof,1,_SC("x")), - _DECL_BLOB_FUNC(_nexti,2,_SC("x")), - _DECL_BLOB_FUNC(_cloned,2,_SC("xx")), - {0,0,0,0} -}; - - - -//GLOBAL FUNCTIONS - -static SQInteger _g_blob_casti2f(HSQUIRRELVM v) -{ - SQInteger i; - sq_getinteger(v,2,&i); - sq_pushfloat(v,*((SQFloat *)&i)); - return 1; -} - -static SQInteger _g_blob_castf2i(HSQUIRRELVM v) -{ - SQFloat f; - sq_getfloat(v,2,&f); - sq_pushinteger(v,*((SQInteger *)&f)); - return 1; -} - -static SQInteger _g_blob_swap2(HSQUIRRELVM v) -{ - SQInteger i; - sq_getinteger(v,2,&i); - short s=(short)i; - sq_pushinteger(v,(s<<8)|((s>>8)&0x00FF)); - return 1; -} - -static SQInteger _g_blob_swap4(HSQUIRRELVM v) -{ - SQInteger i; - sq_getinteger(v,2,&i); - unsigned int t4 = (unsigned int)i; - __swap_dword(&t4); - sq_pushinteger(v,(SQInteger)t4); - return 1; -} - -static SQInteger _g_blob_swapfloat(HSQUIRRELVM v) -{ - SQFloat f; - sq_getfloat(v,2,&f); - __swap_dword((unsigned int *)&f); - sq_pushfloat(v,f); - return 1; -} - -#define _DECL_GLOBALBLOB_FUNC(name,nparams,typecheck) {_SC(#name),_g_blob_##name,nparams,typecheck} -static SQRegFunction bloblib_funcs[]={ - _DECL_GLOBALBLOB_FUNC(casti2f,2,_SC(".n")), - _DECL_GLOBALBLOB_FUNC(castf2i,2,_SC(".n")), - _DECL_GLOBALBLOB_FUNC(swap2,2,_SC(".n")), - _DECL_GLOBALBLOB_FUNC(swap4,2,_SC(".n")), - _DECL_GLOBALBLOB_FUNC(swapfloat,2,_SC(".n")), - {0,0} -}; - -SQRESULT sqstd_getblob(HSQUIRRELVM v,SQInteger idx,SQUserPointer *ptr) -{ - SQBlob *blob; - if(SQ_FAILED(sq_getinstanceup(v,idx,(SQUserPointer *)&blob,(SQUserPointer)SQSTD_BLOB_TYPE_TAG))) - return -1; - *ptr = blob->GetBuf(); - return SQ_OK; -} - -SQInteger sqstd_getblobsize(HSQUIRRELVM v,SQInteger idx) -{ - SQBlob *blob; - if(SQ_FAILED(sq_getinstanceup(v,idx,(SQUserPointer *)&blob,(SQUserPointer)SQSTD_BLOB_TYPE_TAG))) - return -1; - return blob->Len(); -} - -SQUserPointer sqstd_createblob(HSQUIRRELVM v, SQInteger size) -{ - SQInteger top = sq_gettop(v); - sq_pushregistrytable(v); - sq_pushstring(v,_SC("std_blob"),-1); - if(SQ_SUCCEEDED(sq_get(v,-2))) { - sq_remove(v,-2); //removes the registry - sq_push(v,1); // push the this - sq_pushinteger(v,size); //size - SQBlob *blob = NULL; - if(SQ_SUCCEEDED(sq_call(v,2,SQTrue,SQFalse)) - && SQ_SUCCEEDED(sq_getinstanceup(v,-1,(SQUserPointer *)&blob,(SQUserPointer)SQSTD_BLOB_TYPE_TAG))) { - sq_remove(v,-2); - return blob->GetBuf(); - } - } - sq_settop(v,top); - return NULL; -} - -SQRESULT sqstd_register_bloblib(HSQUIRRELVM v) -{ - return declare_stream(v,_SC("blob"),(SQUserPointer)SQSTD_BLOB_TYPE_TAG,_SC("std_blob"),_blob_methods,bloblib_funcs); -} - |