diff options
Diffstat (limited to 'squirrel_3_0_1_stable/sqstdlib/sqstdstream.cpp')
-rw-r--r-- | squirrel_3_0_1_stable/sqstdlib/sqstdstream.cpp | 336 |
1 files changed, 0 insertions, 336 deletions
diff --git a/squirrel_3_0_1_stable/sqstdlib/sqstdstream.cpp b/squirrel_3_0_1_stable/sqstdlib/sqstdstream.cpp deleted file mode 100644 index 56140f6ad..000000000 --- a/squirrel_3_0_1_stable/sqstdlib/sqstdstream.cpp +++ /dev/null @@ -1,336 +0,0 @@ -/* see copyright notice in squirrel.h */ -#include <new> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <squirrel.h> -#include <sqstdio.h> -#include <sqstdblob.h> -#include "sqstdstream.h" -#include "sqstdblobimpl.h" - -#define SETUP_STREAM(v) \ - SQStream *self = NULL; \ - if(SQ_FAILED(sq_getinstanceup(v,1,(SQUserPointer*)&self,(SQUserPointer)SQSTD_STREAM_TYPE_TAG))) \ - return sq_throwerror(v,_SC("invalid type tag")); \ - if(!self->IsValid()) \ - return sq_throwerror(v,_SC("the stream is invalid")); - -SQInteger _stream_readblob(HSQUIRRELVM v) -{ - SETUP_STREAM(v); - SQUserPointer data,blobp; - SQInteger size,res; - sq_getinteger(v,2,&size); - if(size > self->Len()) { - size = self->Len(); - } - data = sq_getscratchpad(v,size); - res = self->Read(data,size); - if(res <= 0) - return sq_throwerror(v,_SC("no data left to read")); - blobp = sqstd_createblob(v,res); - memcpy(blobp,data,res); - return 1; -} - -#define SAFE_READN(ptr,len) { \ - if(self->Read(ptr,len) != len) return sq_throwerror(v,_SC("io error")); \ - } -SQInteger _stream_readn(HSQUIRRELVM v) -{ - SETUP_STREAM(v); - SQInteger format; - sq_getinteger(v, 2, &format); - switch(format) { - case 'l': { - SQInteger i; - SAFE_READN(&i, sizeof(i)); - sq_pushinteger(v, i); - } - break; - case 'i': { - SQInt32 i; - SAFE_READN(&i, sizeof(i)); - sq_pushinteger(v, i); - } - break; - case 's': { - short s; - SAFE_READN(&s, sizeof(short)); - sq_pushinteger(v, s); - } - break; - case 'w': { - unsigned short w; - SAFE_READN(&w, sizeof(unsigned short)); - sq_pushinteger(v, w); - } - break; - case 'c': { - char c; - SAFE_READN(&c, sizeof(char)); - sq_pushinteger(v, c); - } - break; - case 'b': { - unsigned char c; - SAFE_READN(&c, sizeof(unsigned char)); - sq_pushinteger(v, c); - } - break; - case 'f': { - float f; - SAFE_READN(&f, sizeof(float)); - sq_pushfloat(v, f); - } - break; - case 'd': { - double d; - SAFE_READN(&d, sizeof(double)); - sq_pushfloat(v, (SQFloat)d); - } - break; - default: - return sq_throwerror(v, _SC("invalid format")); - } - return 1; -} - -SQInteger _stream_writeblob(HSQUIRRELVM v) -{ - SQUserPointer data; - SQInteger size; - SETUP_STREAM(v); - if(SQ_FAILED(sqstd_getblob(v,2,&data))) - return sq_throwerror(v,_SC("invalid parameter")); - size = sqstd_getblobsize(v,2); - if(self->Write(data,size) != size) - return sq_throwerror(v,_SC("io error")); - sq_pushinteger(v,size); - return 1; -} - -SQInteger _stream_writen(HSQUIRRELVM v) -{ - SETUP_STREAM(v); - SQInteger format, ti; - SQFloat tf; - sq_getinteger(v, 3, &format); - switch(format) { - case 'l': { - SQInteger i; - sq_getinteger(v, 2, &ti); - i = ti; - self->Write(&i, sizeof(SQInteger)); - } - break; - case 'i': { - SQInt32 i; - sq_getinteger(v, 2, &ti); - i = (SQInt32)ti; - self->Write(&i, sizeof(SQInt32)); - } - break; - case 's': { - short s; - sq_getinteger(v, 2, &ti); - s = (short)ti; - self->Write(&s, sizeof(short)); - } - break; - case 'w': { - unsigned short w; - sq_getinteger(v, 2, &ti); - w = (unsigned short)ti; - self->Write(&w, sizeof(unsigned short)); - } - break; - case 'c': { - char c; - sq_getinteger(v, 2, &ti); - c = (char)ti; - self->Write(&c, sizeof(char)); - } - break; - case 'b': { - unsigned char b; - sq_getinteger(v, 2, &ti); - b = (unsigned char)ti; - self->Write(&b, sizeof(unsigned char)); - } - break; - case 'f': { - float f; - sq_getfloat(v, 2, &tf); - f = (float)tf; - self->Write(&f, sizeof(float)); - } - break; - case 'd': { - double d; - sq_getfloat(v, 2, &tf); - d = tf; - self->Write(&d, sizeof(double)); - } - break; - default: - return sq_throwerror(v, _SC("invalid format")); - } - return 0; -} - -SQInteger _stream_seek(HSQUIRRELVM v) -{ - SETUP_STREAM(v); - SQInteger offset, origin = SQ_SEEK_SET; - sq_getinteger(v, 2, &offset); - if(sq_gettop(v) > 2) { - SQInteger t; - sq_getinteger(v, 3, &t); - switch(t) { - case 'b': origin = SQ_SEEK_SET; break; - case 'c': origin = SQ_SEEK_CUR; break; - case 'e': origin = SQ_SEEK_END; break; - default: return sq_throwerror(v,_SC("invalid origin")); - } - } - sq_pushinteger(v, self->Seek(offset, origin)); - return 1; -} - -SQInteger _stream_tell(HSQUIRRELVM v) -{ - SETUP_STREAM(v); - sq_pushinteger(v, self->Tell()); - return 1; -} - -SQInteger _stream_len(HSQUIRRELVM v) -{ - SETUP_STREAM(v); - sq_pushinteger(v, self->Len()); - return 1; -} - -SQInteger _stream_flush(HSQUIRRELVM v) -{ - SETUP_STREAM(v); - if(!self->Flush()) - sq_pushinteger(v, 1); - else - sq_pushnull(v); - return 1; -} - -SQInteger _stream_eos(HSQUIRRELVM v) -{ - SETUP_STREAM(v); - if(self->EOS()) - sq_pushinteger(v, 1); - else - sq_pushnull(v); - return 1; -} - - SQInteger _stream__cloned(HSQUIRRELVM v) - { - return sq_throwerror(v,_SC("this object cannot be cloned")); - } - -static SQRegFunction _stream_methods[] = { - _DECL_STREAM_FUNC(readblob,2,_SC("xn")), - _DECL_STREAM_FUNC(readn,2,_SC("xn")), - _DECL_STREAM_FUNC(writeblob,-2,_SC("xx")), - _DECL_STREAM_FUNC(writen,3,_SC("xnn")), - _DECL_STREAM_FUNC(seek,-2,_SC("xnn")), - _DECL_STREAM_FUNC(tell,1,_SC("x")), - _DECL_STREAM_FUNC(len,1,_SC("x")), - _DECL_STREAM_FUNC(eos,1,_SC("x")), - _DECL_STREAM_FUNC(flush,1,_SC("x")), - _DECL_STREAM_FUNC(_cloned,0,NULL), - {0,0} -}; - -void init_streamclass(HSQUIRRELVM v) -{ - sq_pushregistrytable(v); - sq_pushstring(v,_SC("std_stream"),-1); - if(SQ_FAILED(sq_get(v,-2))) { - sq_pushstring(v,_SC("std_stream"),-1); - sq_newclass(v,SQFalse); - sq_settypetag(v,-1,(SQUserPointer)SQSTD_STREAM_TYPE_TAG); - SQInteger i = 0; - while(_stream_methods[i].name != 0) { - SQRegFunction &f = _stream_methods[i]; - sq_pushstring(v,f.name,-1); - sq_newclosure(v,f.f,0); - sq_setparamscheck(v,f.nparamscheck,f.typemask); - sq_newslot(v,-3,SQFalse); - i++; - } - sq_newslot(v,-3,SQFalse); - sq_pushroottable(v); - sq_pushstring(v,_SC("stream"),-1); - sq_pushstring(v,_SC("std_stream"),-1); - sq_get(v,-4); - sq_newslot(v,-3,SQFalse); - sq_pop(v,1); - } - else { - sq_pop(v,1); //result - } - sq_pop(v,1); -} - -SQRESULT declare_stream(HSQUIRRELVM v,const SQChar* name,SQUserPointer typetag,const SQChar* reg_name,SQRegFunction *methods,SQRegFunction *globals) -{ - if(sq_gettype(v,-1) != OT_TABLE) - return sq_throwerror(v,_SC("table expected")); - SQInteger top = sq_gettop(v); - //create delegate - init_streamclass(v); - sq_pushregistrytable(v); - sq_pushstring(v,reg_name,-1); - sq_pushstring(v,_SC("std_stream"),-1); - if(SQ_SUCCEEDED(sq_get(v,-3))) { - sq_newclass(v,SQTrue); - sq_settypetag(v,-1,typetag); - SQInteger i = 0; - while(methods[i].name != 0) { - SQRegFunction &f = methods[i]; - sq_pushstring(v,f.name,-1); - sq_newclosure(v,f.f,0); - sq_setparamscheck(v,f.nparamscheck,f.typemask); - sq_setnativeclosurename(v,-1,f.name); - sq_newslot(v,-3,SQFalse); - i++; - } - sq_newslot(v,-3,SQFalse); - sq_pop(v,1); - - i = 0; - while(globals[i].name!=0) - { - SQRegFunction &f = globals[i]; - sq_pushstring(v,f.name,-1); - sq_newclosure(v,f.f,0); - sq_setparamscheck(v,f.nparamscheck,f.typemask); - sq_setnativeclosurename(v,-1,f.name); - sq_newslot(v,-3,SQFalse); - i++; - } - //register the class in the target table - sq_pushstring(v,name,-1); - sq_pushregistrytable(v); - sq_pushstring(v,reg_name,-1); - sq_get(v,-2); - sq_remove(v,-2); - sq_newslot(v,-3,SQFalse); - - sq_settop(v,top); - return SQ_OK; - } - sq_settop(v,top); - return SQ_ERROR; -} |