mirror of https://gitee.com/openkylin/cups.git
149 lines
2.1 KiB
C++
149 lines
2.1 KiB
C++
//
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// Array class for the CUPS PPD Compiler.
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//
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// Copyright 2007-2019 by Apple Inc.
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// Copyright 2002-2005 by Easy Software Products.
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//
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// Licensed under Apache License v2.0. See the file "LICENSE" for more information.
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//
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//
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// Include necessary headers...
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//
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#include "ppdc-private.h"
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//
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// 'ppdcArray::ppdcArray()' - Create a new array.
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//
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ppdcArray::ppdcArray(ppdcArray *a)
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: ppdcShared()
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{
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PPDC_NEW;
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if (a)
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{
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count = a->count;
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alloc = count;
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if (count)
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{
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// Make a copy of the array...
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data = new ppdcShared *[count];
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memcpy(data, a->data, (size_t)count * sizeof(ppdcShared *));
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for (size_t i = 0; i < count; i ++)
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data[i]->retain();
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}
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else
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data = 0;
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}
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else
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{
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count = 0;
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alloc = 0;
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data = 0;
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}
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current = 0;
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}
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//
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// 'ppdcArray::~ppdcArray()' - Destroy an array.
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//
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ppdcArray::~ppdcArray()
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{
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PPDC_DELETE;
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for (size_t i = 0; i < count; i ++)
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data[i]->release();
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if (alloc)
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delete[] data;
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}
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//
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// 'ppdcArray::add()' - Add an element to an array.
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//
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void
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ppdcArray::add(ppdcShared *d)
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{
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ppdcShared **temp;
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if (count >= alloc)
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{
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alloc += 10;
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temp = new ppdcShared *[alloc];
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memcpy(temp, data, (size_t)count * sizeof(ppdcShared *));
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delete[] data;
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data = temp;
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}
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data[count++] = d;
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}
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//
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// 'ppdcArray::first()' - Return the first element in the array.
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//
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ppdcShared *
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ppdcArray::first()
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{
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current = 0;
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if (current >= count)
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return (0);
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else
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return (data[current ++]);
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}
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//
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// 'ppdcArray::next()' - Return the next element in the array.
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//
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ppdcShared *
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ppdcArray::next()
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{
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if (current >= count)
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return (0);
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else
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return (data[current ++]);
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}
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//
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// 'ppdcArray::remove()' - Remove an element from the array.
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//
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void
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ppdcArray::remove(ppdcShared *d) // I - Data element
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{
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size_t i; // Looping var
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for (i = 0; i < count; i ++)
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if (d == data[i])
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break;
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if (i >= count)
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return;
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count --;
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d->release();
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if (i < count)
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memmove(data + i, data + i + 1, (size_t)(count - i) * sizeof(ppdcShared *));
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}
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