blob: 230c32876832395e689be0d8c08028fe467730d5 [file] [log] [blame]
//========================================================================
//
// 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 Albert Astals Cid <aacid@kde.org>
//
// 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"
#if MULTITHREADED
# define arrayLocker() MutexLocker locker(&mutex)
#else
# define arrayLocker()
#endif
//------------------------------------------------------------------------
// Array
//------------------------------------------------------------------------
Array::Array(XRef *xrefA) {
xref = xrefA;
elems = NULL;
size = length = 0;
ref = 1;
#if MULTITHREADED
gInitMutex(&mutex);
#endif
}
Array::~Array() {
int i;
for (i = 0; i < length; ++i)
elems[i].free();
gfree(elems);
#if MULTITHREADED
gDestroyMutex(&mutex);
#endif
}
Object *Array::copy(XRef *xrefA, Object *obj) {
arrayLocker();
obj->initArray(xrefA);
for (int i = 0; i < length; ++i) {
Object obj1;
obj->arrayAdd(elems[i].copy(&obj1));
}
return obj;
}
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] = *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, Object *obj, int recursion) {
if (i < 0 || i >= length) {
#ifdef DEBUG_MEM
abort();
#else
return obj->initNull();
#endif
}
return elems[i].fetch(xref, obj, recursion);
}
Object *Array::getNF(int i, Object *obj) {
if (i < 0 || i >= length) {
#ifdef DEBUG_MEM
abort();
#else
return obj->initNull();
#endif
}
return elems[i].copy(obj);
}
GBool Array::getString(int i, GooString *string)
{
Object obj;
if (getNF(i, &obj)->isString()) {
string->clear();
string->append(obj.getString());
obj.free();
return gTrue;
} else {
obj.free();
return gFalse;
}
}