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################################################################################
#
# $Project: /Convert-Binary-C $
# $Author: mhx $
# $Date: 2009/03/15 04:10:44 +0100 $
# $Revision: 11 $
# $Source: /xsubs/compound.xs $
#
################################################################################
#
# Copyright (c) 2002-2009 Marcus Holland-Moritz. All rights reserved.
# This program is free software; you can redistribute it and/or modify
# it under the same terms as Perl itself.
#
################################################################################
################################################################################
#
# METHOD: compound_names / struct_names / union_names
#
# WRITTEN BY: Marcus Holland-Moritz ON: Aug 2002
# CHANGED BY: ON:
#
################################################################################
void
CBC::compound_names()
ALIAS:
struct_names = 1
union_names = 2
PREINIT:
CBC_METHOD_VAR;
ListIterator li;
Struct *pStruct;
int count = 0;
U32 context;
u_32 mask;
PPCODE:
switch (ix)
{
case 1: /* struct_names */
CBC_METHOD_SET("struct_names");
mask = T_STRUCT;
break;
case 2: /* union_names */
CBC_METHOD_SET("union_names");
mask = T_UNION;
break;
default: /* compound_names */
CBC_METHOD_SET("compound_names");
mask = T_STRUCT | T_UNION;
break;
}
CT_DEBUG_METHOD;
CHECK_PARSE_DATA;
CHECK_VOID_CONTEXT;
context = GIMME_V;
LL_foreach(pStruct, li, THIS->cpi.structs)
if (pStruct->identifier[0] &&
pStruct->declarations &&
pStruct->tflags & mask)
{
if (context == G_ARRAY)
XPUSHs(sv_2mortal(newSVpv(pStruct->identifier, 0)));
count++;
}
if (context == G_ARRAY)
XSRETURN(count);
else
XSRETURN_IV(count);
################################################################################
#
# METHOD: compound / struct / union
#
# WRITTEN BY: Marcus Holland-Moritz ON: Aug 2002
# CHANGED BY: ON:
#
################################################################################
void
CBC::compound(...)
ALIAS:
struct = 1
union = 2
PREINIT:
CBC_METHOD_VAR;
Struct *pStruct;
U32 context;
u_32 mask;
PPCODE:
switch(ix)
{
case 1: /* struct */
CBC_METHOD_SET("struct");
mask = T_STRUCT;
break;
case 2: /* union */
CBC_METHOD_SET("union");
mask = T_UNION;
break;
default: /* compound */
CBC_METHOD_SET("compound");
mask = T_STRUCT | T_UNION;
break;
}
CT_DEBUG_METHOD;
CHECK_PARSE_DATA;
CHECK_VOID_CONTEXT;
context = GIMME_V;
if (context == G_SCALAR && items != 2)
{
if (items > 1)
XSRETURN_IV(items-1);
else if (mask == (T_STRUCT|T_UNION))
XSRETURN_IV(LL_count(THIS->cpi.structs));
else
{
ListIterator li;
int count = 0;
LL_foreach(pStruct, li, THIS->cpi.structs)
if (pStruct->tflags & mask)
count++;
XSRETURN_IV(count);
}
}
NEED_PARSE_DATA;
if (items > 1)
{
int i;
for (i = 1; i < items; i++)
{
const char *name;
u_32 limit = mask;
name = SvPV_nolen(ST(i));
/* skip optional union/struct */
if(mask & T_UNION &&
name[0] == 'u' &&
name[1] == 'n' &&
name[2] == 'i' &&
name[3] == 'o' &&
name[4] == 'n' &&
isSPACE(name[5]))
{
name += 6;
limit = T_UNION;
}
else
if(mask & T_STRUCT &&
name[0] == 's' &&
name[1] == 't' &&
name[2] == 'r' &&
name[3] == 'u' &&
name[4] == 'c' &&
name[5] == 't' &&
isSPACE(name[6]))
{
name += 7;
limit = T_STRUCT;
}
while (isSPACE(*name))
name++;
pStruct = HT_get(THIS->cpi.htStructs, name, 0, 0);
if (pStruct && pStruct->tflags & limit)
PUSHs(sv_2mortal(get_struct_spec_def(aTHX_ &THIS->cfg, pStruct)));
else
PUSHs(&PL_sv_undef);
}
XSRETURN(items-1);
}
else
{
ListIterator li;
int count = 0;
LL_foreach(pStruct, li, THIS->cpi.structs)
if (pStruct->tflags & mask)
{
XPUSHs(sv_2mortal(get_struct_spec_def(aTHX_ &THIS->cfg, pStruct)));
count++;
}
XSRETURN(count);
}
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