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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 <[email protected]>
// Copyright (C) 2012 Fabio D'Urso <[email protected]>
// Copyright (C) 2013 Thomas Freitag <[email protected]>
// Copyright (C) 2013, 2017, 2019, 2022 Albert Astals Cid <[email protected]>
// Copyright (C) 2017 Adrian Johnson <[email protected]>
// Copyright (C) 2018, 2019 Adam Reichold <[email protected]>
//
// 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>
#include <cassert>
#include "Object.h"
#include "Array.h"
//------------------------------------------------------------------------
// Array
//------------------------------------------------------------------------
#define arrayLocker() const std::scoped_lock locker(mutex)
Array::Array(XRef *xrefA)
{
xref = xrefA;
ref = 1;
}
Array::~Array() { }
Array *Array::copy(XRef *xrefA) const
{
arrayLocker();
Array *a = new Array(xrefA);
a->elems.reserve(elems.size());
for (const auto &elem : elems) {
a->elems.push_back(elem.copy());
}
return a;
}
Array *Array::deepCopy() const
{
arrayLocker();
Array *a = new Array(xref);
a->elems.reserve(elems.size());
for (const auto &elem : elems) {
a->elems.push_back(elem.deepCopy());
}
return a;
}
void Array::add(Object &&elem)
{
arrayLocker();
elems.push_back(std::move(elem));
}
void Array::remove(int i)
{
arrayLocker();
if (i < 0 || std::size_t(i) >= elems.size()) {
assert(i >= 0 && std::size_t(i) < elems.size());
return;
}
elems.erase(elems.begin() + i);
}
Object Array::get(int i, int recursion) const
{
if (i < 0 || std::size_t(i) >= elems.size()) {
return Object(objNull);
}
return elems[i].fetch(xref, recursion);
}
Object Array::get(int i, Ref *returnRef, int recursion) const
{
if (i < 0 || std::size_t(i) >= elems.size()) {
*returnRef = Ref::INVALID();
return Object(objNull);
}
if (elems[i].getType() == objRef) {
*returnRef = elems[i].getRef();
} else {
*returnRef = Ref::INVALID();
}
return elems[i].fetch(xref, recursion);
}
const Object &Array::getNF(int i) const
{
if (i < 0 || std::size_t(i) >= elems.size()) {
static Object nullObj(objNull);
return nullObj;
}
return elems[i];
}
bool Array::getString(int i, GooString *string) const
{
const Object &obj = getNF(i);
if (obj.isString()) {
string->clear();
string->append(obj.getString());
return true;
} else {
return false;
}
}
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