/usr/include/flext/flmsg.cpp is in pd-flext-dev 0.6.0+git20161101.1.01318a94-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 | /*
flext - C++ layer for Max and Pure Data externals
Copyright (c) 2001-2015 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 flmsg.cpp
\brief Message processing of flext base class.
*/
#ifndef __FLEXT_MSG_CPP
#define __FLEXT_MSG_CPP
#include "flext.h"
#include "flpushns.h"
FLEXT_TEMPIMPL(bool FLEXT_CLASSDEF(flext_base))::TryMethTag(Item *lst,const t_symbol *tag,int argc,const t_atom *argv)
{
for(; lst; lst = lst->nxt) {
MethItem *m = (MethItem *)lst;
// FLEXT_LOG3("found method tag %s: inlet=%i, argc=%i",GetString(tag),m->inlet,argc);
if(m->attr) {
// attributes are treated differently
if(m->attr->IsGet())
return DumpAttrib(tag,m->attr);
else
return SetAttrib(tag,m->attr,argc,argv);
}
else {
if(m->argc == 1) {
if(m->args[0] == a_list) {
// try list
if(((methfun_V)m->fun)(this,argc,const_cast<t_atom *>(argv))) return true;
}
else if(m->args[0] == a_any) {
// try anything
if(((methfun_A)m->fun)(this,tag,argc,const_cast<t_atom *>(argv))) return true;
}
}
// try matching number of args
if(m->argc == argc) {
int ix;
t_any aargs[FLEXT_MAXMETHARGS];
bool ok = true;
for(ix = 0; ix < argc && ok; ++ix) {
switch(m->args[ix]) {
case a_float: {
if(IsFloat(argv[ix])) aargs[ix].ft = GetFloat(argv[ix]);
else if(IsInt(argv[ix])) aargs[ix].ft = (float)GetInt(argv[ix]);
else ok = false;
if(ok) FLEXT_LOG2("int arg %i = %f",ix,aargs[ix].ft);
break;
}
case a_int: {
if(IsFloat(argv[ix])) aargs[ix].it = (int)GetFloat(argv[ix]);
else if(IsInt(argv[ix])) aargs[ix].it = GetInt(argv[ix]);
else ok = false;
if(ok) FLEXT_LOG2("float arg %i = %i",ix,aargs[ix].it);
break;
}
case a_symbol: {
if(IsSymbol(argv[ix])) aargs[ix].st = GetSymbol(argv[ix]);
else ok = false;
if(ok) FLEXT_LOG2("symbol arg %i = %s",ix,GetString(aargs[ix].st));
break;
}
#if FLEXT_SYS == FLEXT_SYS_PD
case a_pointer: {
if(IsPointer(argv[ix])) aargs[ix].pt = (t_gpointer *)GetPointer(argv[ix]);
else ok = false;
break;
}
#endif
default:
error("Argument type illegal");
ok = false;
}
}
if(ok && ix == argc) {
switch(argc) {
case 0: return ((methfun_0)m->fun)(this);
case 1: return ((methfun_1)m->fun)(this,aargs[0]);
case 2: return ((methfun_2)m->fun)(this,aargs[0],aargs[1]);
case 3: return ((methfun_3)m->fun)(this,aargs[0],aargs[1],aargs[2]);
case 4: return ((methfun_4)m->fun)(this,aargs[0],aargs[1],aargs[2],aargs[3]);
case 5: return ((methfun_5)m->fun)(this,aargs[0],aargs[1],aargs[2],aargs[3],aargs[4]);
default:
FLEXT_ASSERT(false);
}
}
}
}
}
return false;
}
FLEXT_TEMPIMPL(bool FLEXT_CLASSDEF(flext_base))::TryMethAny(Item *lst,const t_symbol *s,int argc,const t_atom *argv)
{
for(; lst; lst = lst->nxt) {
MethItem *m = (MethItem *)lst;
if(!m->IsAttr() && m->argc == 1 && m->args[0] == a_any) {
// FLEXT_LOG4("found any method for %s: inlet=%i, symbol=%s, argc=%i",GetString(m->tag),m->inlet,GetString(s),argc);
if(((methfun_A)m->fun)(this,s,argc,const_cast<t_atom *>(argv))) return true;
}
}
return false;
}
/*! \brief Find a method item for a specific tag and arguments
\remark All attributes are also stored in the method list and retrieved by a member of the method item
*/
FLEXT_TEMPIMPL(bool FLEXT_CLASSDEF(flext_base))::FindMeth(int inlet,const t_symbol *s,int argc,const t_atom *argv)
{
Item *lst;
ItemCont *clmethhead = ClMeths(thisClassId());
// search for exactly matching tag
if(UNLIKELY(methhead) && (lst = methhead->FindList(s,inlet)) != NULL && TryMethTag(lst,s,argc,argv)) return true;
if((lst = clmethhead->FindList(s,inlet)) != NULL && TryMethTag(lst,s,argc,argv)) return true;
// if nothing found try any inlet
if(UNLIKELY(methhead) && (lst = methhead->FindList(s,-1)) != NULL && TryMethTag(lst,s,argc,argv)) return true;
if((lst = clmethhead->FindList(s,-1)) != NULL && TryMethTag(lst,s,argc,argv)) return true;
return false;
}
FLEXT_TEMPIMPL(bool FLEXT_CLASSDEF(flext_base))::FindMethAny(int inlet,const t_symbol *s,int argc,const t_atom *argv)
{
Item *lst;
ItemCont *clmethhead = ClMeths(thisClassId());
if(UNLIKELY(methhead) && (lst = methhead->FindList(sym_anything,inlet)) != NULL && TryMethAny(lst,s,argc,argv)) return true;
if((lst = clmethhead->FindList(sym_anything,inlet)) != NULL && TryMethAny(lst,s,argc,argv)) return true;
// if nothing found try any inlet
if(UNLIKELY(methhead) && (lst = methhead->FindList(sym_anything,-1)) != NULL && TryMethAny(lst,s,argc,argv)) return true;
if((lst = clmethhead->FindList(sym_anything,-1)) != NULL && TryMethAny(lst,s,argc,argv)) return true;
return false;
}
/*! \brief All the message processing
The messages of all the inlets go here and are promoted to the registered callback functions
*/
FLEXT_TEMPIMPL(bool FLEXT_CLASSDEF(flext_base))::CbMethodHandler(int inlet,const t_symbol *s,int argc,const t_atom *argv)
{
static bool trap = false;
bool ret;
curtag = s;
#ifdef FLEXT_LOG_MSGS
post("methodmain inlet:%i args:%i symbol:%s",inlet,argc,s?GetString(s):"");
#endif
try {
ret = FindMeth(inlet,s,argc,argv);
#ifdef FLEXT_LOG_MSGS
if(ret) post("found %s message in %s,%i",GetString(s),__FILE__,__LINE__);
#endif
if(ret) goto end;
if(argc == 1) {
if(s == sym_list) {
// for 1-element lists try the single atom (this is the format output by [route])
if(IsFloat(argv[0]))
ret = FindMeth(inlet,sym_float,1,argv);
else if(IsInt(argv[0]))
ret = FindMeth(inlet,sym_int,1,argv);
else if(IsSymbol(argv[0]))
ret = FindMeth(inlet,sym_symbol,1,argv);
#if FLEXT_SYS == FLEXT_SYS_PD && !defined(FLEXT_COMPATIBLE)
else if(IsPointer(argv[0]))
ret = FindMeth(inlet,sym_pointer,1,argv);
#endif
if(ret) goto end;
}
else {
if(s == sym_float) {
#if FLEXT_SYS == FLEXT_SYS_MAX
t_atom at;
// If float message is not explicitly handled: try int handler instead
SetInt(at,(int)GetFloat(argv[0]));
ret = FindMeth(inlet,sym_int,1,&at);
if(ret) goto end;
#endif
// If not explicitly handled: try list handler instead
ret = FindMeth(inlet,sym_list,1,argv);
if(ret) goto end;
}
#if FLEXT_SYS == FLEXT_SYS_MAX
else if(s == sym_int) {
t_atom at;
// If int message is not explicitly handled: try float handler instead
SetFloat(at,(float)GetInt(argv[0]));
ret = FindMeth(inlet,sym_float,1,&at);
if(ret) goto end;
// If not explicitly handled: try list handler instead
ret = FindMeth(inlet,sym_list,1,argv);
if(ret) goto end;
}
#endif
else if(s == sym_symbol) {
ret = FindMeth(inlet,sym_list,1,argv);
if(ret) goto end;
}
#if FLEXT_SYS == FLEXT_SYS_PD && !defined(FLEXT_COMPATIBLE)
else if(s == sym_pointer) {
ret = FindMeth(inlet,sym_list,1,argv);
if(ret) goto end;
}
#endif
}
}
else if(argc == 0) {
// If symbol message (pure anything without args) is not explicitly handled: try list handler instead
if(s == sym_bang)
// bang is equal to an empty list
ret = FindMeth(inlet,sym_list,0,NULL);
else {
t_atom at;
SetSymbol(at,s);
ret = FindMeth(inlet,sym_list,1,&at);
}
#ifdef FLEXT_LOG_MSGS
if(ret) post("found %s message in %s,%i",GetString(sym_list),__FILE__,__LINE__);
#endif
if(ret) goto end;
}
// if distmsgs is switched on then distribute list elements over inlets (Max/MSP behavior)
if(DoDist() && inlet == 0 && s == sym_list && insigs <= 1 && !trap) {
int i = incnt;
if(i > argc) i = argc;
for(--i; i >= 0; --i) { // right to left distribution
const t_symbol *sym = NULL;
if(IsFloat(argv[i])) sym = sym_float;
else if(IsInt(argv[i])) sym = sym_int;
else if(IsSymbol(argv[i])) sym = sym_symbol;
#if FLEXT_SYS == FLEXT_SYS_PD && !defined(FLEXT_COMPATIBLE)
else if(IsPointer(argv[i])) sym = sym_pointer; // can pointer atoms occur here?
#endif
if(sym) {
trap = true;
CbMethodHandler(i,sym,1,argv+i);
trap = false;
}
}
goto end;
}
ret = FindMethAny(inlet,s,argc,argv);
if(!ret) ret = CbMethodResort(inlet,s,argc,argv);
}
catch(std::exception &x) {
error("%s - %s: %s",thisName(),GetString(s),x.what());
ret = false;
}
catch(const char *txt) {
error("%s - %s: %s",thisName(),GetString(s),txt);
ret = false;
}
catch(...) {
error("%s - %s : Unknown exception while processing method",thisName(),GetString(s));
ret = false;
}
end:
curtag = NULL;
return ret; // true if appropriate handler was found and called
}
FLEXT_TEMPIMPL(bool FLEXT_CLASSDEF(flext_base))::m_method_(int inlet,const t_symbol *s,int argc,const t_atom *argv)
{
post("%s: message unhandled - inlet:%i args:%i symbol:%s",thisName(),inlet,argc,s?GetString(s):"");
return false;
}
FLEXT_TEMPIMPL(bool FLEXT_CLASSDEF(flext_base))::CbMethodResort(int inlet,const t_symbol *s,int argc,const t_atom *argv)
{
// call deprecated version
return m_method_(inlet,s,argc,argv);
}
#include "flpopns.h"
#endif // __FLEXT_MSG_CPP
|