00001 /* -*- mode: C++; tab-width: 4; c-basic-offset: 4; -*- */ 00002 00003 /* AbiSource Program Utilities 00004 * Copyright (C) 1998 AbiSource, Inc. 00005 * 00006 * This program is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU General Public License 00008 * as published by the Free Software Foundation; either version 2 00009 * of the License, or (at your option) any later version. 00010 * 00011 * This program is distributed in the hope that it will be useful, 00012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 * GNU General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU General Public License 00017 * along with this program; if not, write to the Free Software 00018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 00019 * 02110-1301 USA. 00020 */ 00021 00022 00023 00024 #ifndef UT_STACK_H 00025 #define UT_STACK_H 00026 00027 /* pre-emptive dismissal; ut_types.h is needed by just about everything, 00028 * so even if it's commented out in-file that's still a lot of work for 00029 * the preprocessor to do... 00030 */ 00031 #ifndef UT_TYPES_H 00032 #include "ut_types.h" 00033 #endif 00034 #include "ut_vector.h" 00035 00036 class ABI_EXPORT UT_Stack 00037 { 00038 public: 00039 bool push(void * pVoid); 00040 bool pop(void ** ppVoid); 00041 bool viewTop(void ** ppVoid) const; 00042 UT_sint32 getDepth(void) const; 00043 void clear() {m_vecStack.clear();} 00044 00045 private: 00046 UT_Vector m_vecStack; 00047 }; 00048 00049 /* some people have been storing numbers casted to pointers in a UT_Stack; 00050 * this causes problems sometimes on 64-bit architectures. 00051 * 00052 * so, here is a number stack 00053 */ 00054 class ABI_EXPORT UT_NumberStack 00055 { 00056 public: 00057 UT_NumberStack (UT_uint32 sizehint = 32, UT_uint32 baseincr = 32); // see UT_NumberVector 00058 00059 bool push (UT_sint32 number); 00060 bool pop (UT_sint32 * number = 0); 00061 bool viewTop (UT_sint32 & number) const; 00062 UT_sint32 getDepth (void) const; 00063 void clear() {m_vecStack.clear();} 00064 00065 private: 00066 UT_NumberVector m_vecStack; 00067 }; 00068 00069 #endif /* UT_STACK_H */