108 lines
1.7 KiB
C++
108 lines
1.7 KiB
C++
/*****************************************************************************
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$Id$
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File: page.cpp
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Date: 30Apr06
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Copyright (C) 2006-07 by Francis Cianfrocca. All Rights Reserved.
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Gmail: blackhedd
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This program is free software; you can redistribute it and/or modify
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it under the terms of either: 1) the GNU General Public License
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as published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version; or 2) Ruby's License.
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See the file COPYING for complete licensing information.
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*****************************************************************************/
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#include "project.h"
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/******************
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PageList::PageList
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******************/
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PageList::PageList()
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{
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}
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/*******************
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PageList::~PageList
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*******************/
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PageList::~PageList()
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{
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while (HasPages())
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PopFront();
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}
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/***************
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PageList::Front
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***************/
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void PageList::Front (const char **page, int *length)
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{
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assert (page && length);
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if (HasPages()) {
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Page p = Pages.front();
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*page = p.Buffer;
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*length = p.Size;
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}
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else {
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*page = NULL;
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*length = 0;
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}
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}
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/******************
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PageList::PopFront
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******************/
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void PageList::PopFront()
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{
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if (HasPages()) {
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Page p = Pages.front();
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Pages.pop_front();
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if (p.Buffer)
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free ((void*)p.Buffer);
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}
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}
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/******************
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PageList::HasPages
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******************/
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bool PageList::HasPages()
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{
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return (Pages.size() > 0) ? true : false;
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}
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/**************
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PageList::Push
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**************/
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void PageList::Push (const char *buf, int size)
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{
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if (buf && (size > 0)) {
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char *copy = (char*) malloc (size);
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if (!copy)
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throw std::runtime_error ("no memory in pagelist");
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memcpy (copy, buf, size);
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Pages.push_back (Page (copy, size));
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}
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}
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