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Amiga Format CD 52
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Amiga Format AFCD52 (Issue 136, May 2000).iso
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meta.c
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C/C++ Source or Header
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2000-02-23
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2KB
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83 lines
#include <meta.h>
#include <inline/exec.h>
#include <exec/exec.h>
#include <exec/lists.h>
extern struct ExecBase *SysBase;
void CommonInit(struct Common *com,struct Common *par)
{
NewList(com->com_Attrs);
NewList(com->com_Childs);
if (par)
{AddTail(&par->com_Childs,&com->com_Node);}
}
struct Meta *NewMeta(struct Common *parent) // parent may be 0
{ULONG *pool;
struct Meta *meta;
pool=CreatePool(MEMF_CLEAR+MEMF_ANY,32768,16384);
meta=AllocPooled(pool,sizeof(struct Meta));
CommonInit(meta,parent);
meta->meta_Pool=pool;
NewList(meta->meta_Flags);
return(meta);
}
struct Group *NewGroup(struct Meta *meta,char *type)
{
struct Group *group;
group=AllocMetaMem(meta,sizeof(struct Group));
CommonInit(group,meta);
CopyWord((struct Group *)&group->group_Type,type);
return(group);
}
struct Entity *NewEntity(struct Group *group,struct Meta *meta,int ID)
{
struct Entity *enty;
enty=AllocMetaMem(meta,sizeof(struct Entity));
CommonInit(enty,group);
enty->entity_ID=ID;
return(enty);
}
struct Attr *GenAttr(struct Meta *meta,char *name,char *value)
{
struct Attr *attr;
attr=AllocMetaMem(meta,sizeof(struct Attr));
CopyWord(&attr->attr_Name,name);
CopyStr(&attr->attr_Value,value);
return(attr);
}
struct Attr *NewAttr(struct Common *com,struct Meta *meta,char *name,char *value)
{
struct Attr *attr;
attr=GenAttr(meta,name,value);
AddTail(&com->com_Attrs,&attr->attr_Node);
return(attr);
}
struct Attr *NewFlag(struct Meta *meta,char *name,char *value)
{
struct Attr *attr;
attr=GenAttr(meta,name,value);
AddTail(&meta->meta_Flags,&attr->attr_Node);
return(attr);
}
char *HaveAttrValue(struct Common *com,char *name)
{
struct Attr *catt,*natt;
catt=com->com_Attrs.mlh_Head;
while (natt=catt->attr_Node.mln_Succ)
{
if (StrCmp(catt->attr_Name,name))
{return(catt->attr_Value);}
catt=natt;
}
return(FALSE);
}