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//========================================================================
//
// Array.cc
//
// Copyright 1996-2003 Glyph & Cog, LLC
//
//========================================================================
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
// Copyright (C) 2005 Kristian Høgsberg <krh@redhat.com>
// Copyright (C) 2012 Fabio D'Urso <fabiodurso@hotmail.it>
// Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de>
// Copyright (C) 2013, 2017 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2017 Adrian Johnson <ajohnson@redneon.com>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
//
//========================================================================
#include <config.h>
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include <stdlib.h>
#include <stddef.h>
#include "goo/gmem.h"
#include "Object.h"
#include "Array.h"
#ifdef MULTITHREADED
# define arrayLocker() MutexLocker locker(&mutex)
#else
# define arrayLocker()
#endif
//------------------------------------------------------------------------
// Array
//------------------------------------------------------------------------
Array::Array(XRef *xrefA) {
xref = xrefA;
elems = NULL;
size = length = 0;
ref = 1;
#ifdef MULTITHREADED
gInitMutex(&mutex);
#endif
}
Array::~Array() {
int i;
for (i = 0; i < length; ++i)
elems[i].free();
gfree(elems);
#ifdef MULTITHREADED
gDestroyMutex(&mutex);
#endif
}
Object Array::copy(XRef *xrefA) const {
arrayLocker();
Array *a = new Array(xrefA);
for (int i = 0; i < length; ++i) {
a->add(elems[i].copy());
}
return Object(a);
}
int Array::incRef() {
arrayLocker();
++ref;
return ref;
}
int Array::decRef() {
arrayLocker();
--ref;
return ref;
}
void Array::add(Object &&elem) {
arrayLocker();
if (length == size) {
if (length == 0) {
size = 8;
} else {
size *= 2;
}
elems = (Object *)greallocn(elems, size, sizeof(Object));
}
elems[length].initNullAfterMalloc();
elems[length] = std::move(elem);
++length;
}
void Array::remove(int i) {
arrayLocker();
if (i < 0 || i >= length) {
#ifdef DEBUG_MEM
abort();
#else
return;
#endif
}
--length;
memmove( elems + i, elems + i + 1, sizeof(elems[0]) * (length - i) );
}
Object Array::get(int i, int recursion) const {
if (i < 0 || i >= length) {
#ifdef DEBUG_MEM
abort();
#else
return Object(objNull);
#endif
}
return elems[i].fetch(xref, recursion);
}
Object Array::getNF(int i) const {
if (i < 0 || i >= length) {
#ifdef DEBUG_MEM
abort();
#else
return Object(objNull);
#endif
}
return elems[i].copy();
}
GBool Array::getString(int i, GooString *string) const
{
Object obj = getNF(i);
if (obj.isString()) {
string->clear();
string->append(obj.getString());
return gTrue;
} else {
return gFalse;
}
}