//======================================================================== // // 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 // Copyright (C) 2012 Fabio D'Urso // Copyright (C) 2013 Thomas Freitag // Copyright (C) 2013 Albert Astals Cid // // 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 #ifdef USE_GCC_PRAGMAS #pragma implementation #endif #include #include #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; } }