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//========================================================================
//
// Object.cc
//
// Copyright 1996-2002 Glyph & Cog, LLC
//
//========================================================================
#include "aconf.h"
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include <stddef.h>
#include "object.h"
#include "array.h"
#include "dict.h"
#include "error.h"
#include "stream.h"
#include "xref.h"
//------------------------------------------------------------------------
// Object
//------------------------------------------------------------------------
char *objTypeNames[numObjTypes] = {
"boolean",
"integer",
"real",
"string",
"name",
"null",
"array",
"dictionary",
"stream",
"ref",
"cmd",
"error",
"eof",
"none"
};
#ifdef DEBUG_MEM
int Object::numAlloc[numObjTypes] =
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
#endif
Object *Object::initArray(XRef *xref) {
initObj(objArray);
array = new Array(xref);
return this;
}
Object *Object::initDict(XRef *xref) {
initObj(objDict);
dict = new Dict(xref);
return this;
}
Object *Object::initStream(Stream *streamA) {
initObj(objStream);
stream = streamA;
return this;
}
Object *Object::copy(Object *obj) {
*obj = *this;
switch (type) {
case objString:
obj->string = string->copy();
break;
case objName:
obj->name = copyString(name);
break;
case objArray:
array->incRef();
break;
case objDict:
dict->incRef();
break;
case objStream:
stream->incRef();
break;
case objCmd:
obj->cmd = copyString(cmd);
break;
default:
break;
}
#ifdef DEBUG_MEM
++numAlloc[type];
#endif
return obj;
}
Object *Object::fetch(XRef *xref, Object *obj) {
return (type == objRef && xref) ?
xref->fetch(ref.num, ref.gen, obj) : copy(obj);
}
void Object::free() {
switch (type) {
case objString:
delete string;
break;
case objName:
gfree(name);
break;
case objArray:
if (!array->decRef()) {
delete array;
}
break;
case objDict:
if (!dict->decRef()) {
delete dict;
}
break;
case objStream:
if (!stream->decRef()) {
delete stream;
}
break;
case objCmd:
gfree(cmd);
break;
default:
break;
}
#ifdef DEBUG_MEM
--numAlloc[type];
#endif
type = objNone;
}
char *Object::getTypeName() {
return objTypeNames[type];
}
void Object::print(FILE *f) {
Object obj;
int i;
switch (type) {
case objBool:
fprintf(f, "%s", booln ? "true" : "false");
break;
case objInt:
fprintf(f, "%d", intg);
break;
case objReal:
fprintf(f, "%g", real);
break;
case objString:
fprintf(f, "(");
fwrite(string->getCString(), 1, string->getLength(), stdout);
fprintf(f, ")");
break;
case objName:
fprintf(f, "/%s", name);
break;
case objNull:
fprintf(f, "null");
break;
case objArray:
fprintf(f, "[");
for (i = 0; i < arrayGetLength(); ++i) {
if (i > 0)
fprintf(f, " ");
arrayGetNF(i, &obj);
obj.print(f);
obj.free();
}
fprintf(f, "]");
break;
case objDict:
fprintf(f, "<<");
for (i = 0; i < dictGetLength(); ++i) {
fprintf(f, " /%s ", dictGetKey(i));
dictGetValNF(i, &obj);
obj.print(f);
obj.free();
}
fprintf(f, " >>");
break;
case objStream:
fprintf(f, "<stream>");
break;
case objRef:
fprintf(f, "%d %d R", ref.num, ref.gen);
break;
case objCmd:
fprintf(f, "%s", cmd);
break;
case objError:
fprintf(f, "<error>");
break;
case objEOF:
fprintf(f, "<EOF>");
break;
case objNone:
fprintf(f, "<none>");
break;
}
}
void Object::memCheck(FILE *f) {
#ifdef DEBUG_MEM
int i;
int t;
t = 0;
for (i = 0; i < numObjTypes; ++i)
t += numAlloc[i];
if (t > 0) {
fprintf(f, "Allocated objects:\n");
for (i = 0; i < numObjTypes; ++i) {
if (numAlloc[i] > 0)
fprintf(f, " %-20s: %6d\n", objTypeNames[i], numAlloc[i]);
}
}
#endif
}
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