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Diffstat (limited to 'externals/grill/flext/source/flatom.cpp')
| -rw-r--r-- | externals/grill/flext/source/flatom.cpp | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/externals/grill/flext/source/flatom.cpp b/externals/grill/flext/source/flatom.cpp deleted file mode 100644 index ea0191c1..00000000 --- a/externals/grill/flext/source/flatom.cpp +++ /dev/null @@ -1,165 +0,0 @@ -/* - -flext - C++ layer for Max/MSP and pd (pure data) externals - -Copyright (c) 2001-2006 Thomas Grill (gr@grrrr.org) -For information on usage and redistribution, and for a DISCLAIMER OF ALL -WARRANTIES, see the file, "license.txt," in this distribution. - -*/ - -/*! \file flatom.cpp - \brief Definitions for handling the t_atom type and lists thereof. -*/ - -#include "flext.h" -#include <string.h> // for memcpy - -#if FLEXT_SYS != FLEXT_SYS_JMAX -int flext::CmpAtom(const t_atom &a,const t_atom &b) -{ - if(GetType(a) == GetType(b)) { - switch(GetType(a)) { - case A_FLOAT: return GetFloat(a) == GetFloat(b)?0:(GetFloat(a) < GetFloat(b)?-1:1); -#if FLEXT_SYS == FLEXT_SYS_MAX - case A_INT: return GetInt(a) == GetInt(b)?0:(GetInt(a) < GetInt(b)?-1:1); -#endif - case A_SYMBOL: return GetSymbol(a) == GetSymbol(b)?0:strcmp(GetString(a),GetString(b)); -#if FLEXT_SYS == FLEXT_SYS_PD - case A_POINTER: return GetPointer(a) == GetPointer(b)?0:(GetPointer(a) < GetPointer(b)?-1:1); -#endif - default: - // can't be compared..... - FLEXT_ASSERT(false); - return 0; - } - } - else - return GetType(a) < GetType(b)?-1:1; -} -#else -#error Not implemented -#endif - -t_atom *flext::CopyList(int argc,const t_atom *argv) -{ - t_atom *dst = new t_atom[argc]; - memcpy(dst,argv,argc*sizeof(t_atom)); - return dst; -} - -void flext::CopyAtoms(int cnt,t_atom *dst,const t_atom *src) -{ - if(dst < src) - // forward - memcpy(dst,src,cnt*sizeof(t_atom)); - else - // backwards - while(cnt--) dst[cnt] = src[cnt]; -} - -void flext::AtomList::Alloc(int sz,int keepix,int keeplen,int keepto) -{ - if(lst) { - if(cnt == sz) { - if(keepix >= 0 && keepix != keepto) { - int c = keeplen >= 0?keeplen:cnt; - FLEXT_ASSERT(c+keepto <= cnt); - FLEXT_ASSERT(c+keepix <= cnt); - CopyAtoms(c,lst+keepto,lst+keepix); - } - - return; // no change - } - - t_atom *l; - if(sz) { - l = new t_atom[sz]; - if(keepix >= 0) { - // keep contents - int c = keeplen >= 0?keeplen:(cnt > sz?sz:cnt); - FLEXT_ASSERT(c+keepto <= sz); - FLEXT_ASSERT(c+keepix <= cnt); - CopyAtoms(c,l+keepto,lst+keepix); - } - } - else - l = NULL; - - Free(); - lst = l,cnt = sz; - } - else { - FLEXT_ASSERT(cnt == 0); - if(sz) lst = new t_atom[cnt = sz]; - } -} - -flext::AtomList::~AtomList() { Free(); } - -void flext::AtomList::Free() -{ - if(lst) { - delete[] lst; lst = NULL; - cnt = 0; - } - else - FLEXT_ASSERT(cnt == 0); -} - -flext::AtomList &flext::AtomList::Set(int argc,const t_atom *argv,int offs,bool resize) -{ - int ncnt = argc+offs; - if(resize) Alloc(ncnt); - - // argv can be NULL independently from argc - if(argv) CopyAtoms(argc,lst+offs,argv); - - return *this; -} - -int flext::AtomList::Compare(const AtomList &a) const -{ - if(Count() == a.Count()) { - for(int i = 0; i < Count(); ++i) { - int cmp = CmpAtom(lst[i],a[i]); - if(cmp) return cmp; - } - return 0; - } - else - return Count() < a.Count()?-1:1; -} - -flext::AtomListStaticBase::~AtomListStaticBase() { Free(); } - -void flext::AtomListStaticBase::Alloc(int sz,int keepix,int keeplen,int keepto) -{ - if(sz <= precnt) { - // small enough for pre-allocated space - - if(lst != predata && lst) { - // currently allocated memory is larger than what we need - - if(keepix >= 0) { - // keep contents - int c = keeplen >= 0?keeplen:(cnt > sz?sz:cnt); - FLEXT_ASSERT(c+keepto <= precnt); - FLEXT_ASSERT(c+keepix <= cnt); - CopyAtoms(c,predata+keepto,lst+keepix); - } - - // free allocated memory - AtomList::Free(); - } - lst = predata,cnt = sz; - } - else - AtomList::Alloc(sz,keepix,keeplen,keepto); -} - -void flext::AtomListStaticBase::Free() -{ - if(lst != predata) AtomList::Free(); - else lst = NULL,cnt = 0; -} |