114 lines
3.8 KiB
C++
114 lines
3.8 KiB
C++
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* $XConsortium: ostring.h /main/3 1996/06/11 17:38:12 cde-hal $
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*
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* Copyright (c) 1992 HaL Computer Systems, Inc. All rights reserved.
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* UNPUBLISHED -- rights reserved under the Copyright Laws of the United
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* States. Use of a copyright notice is precautionary only and does not
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* imply publication or disclosure.
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*
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* This software contains confidential information and trade secrets of HaL
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* Computer Systems, Inc. Use, disclosure, or reproduction is prohibited
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* without the prior express written permission of HaL Computer Systems, Inc.
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*
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* RESTRICTED RIGHTS LEGEND
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* Use, duplication, or disclosure by the Government is subject to
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* restrictions as set forth in subparagraph (c)(l)(ii) of the Rights in
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* Technical Data and Computer Software clause at DFARS 252.227-7013.
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* HaL Computer Systems, Inc.
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* 1315 Dell Avenue, Campbell, CA 95008
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*
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*/
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#ifndef _ostring_h
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#define _ostring_h 1
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#include "utility/funcs.h"
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class ostring {
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public:
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ostring();
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ostring(const int chunk_size);
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ostring(char* str, const int str_sz = -1); // -1 means take strlen(str)
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ostring(const ostring&);
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virtual ~ostring() { delete [] v_p; };
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// length of the string
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int size() const { return v_sz; };
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// length of the allocated chunk
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int alloc_size() const { return v_allo_sz; };
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ostring& operator +(ostring&); // merge of two strings
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int substr(ostring&); // substring matching
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// set string to content x
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Boolean set(const char* x) { return set(x, strlen(x)); };
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Boolean set(const char* x, int i); // set string to content x with length i
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Boolean append(const char* x, int l); // append a string x of length i
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Boolean update(const char* x, int l, int offset); // update a substring x of length i at 'offset'. offset + l should be sz
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//set alloc_sz to at least new_alloc_sz bytes
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// pre_zero = true -> zero new space before copy old content over
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Boolean expand(const int, Boolean pre_zero = false);
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void reset() { v_sz = 0; };
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void set_size(const int s) { v_sz = s; v_p[v_sz] = 0; };
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char* get() const { return v_p; }; // get char pointer p
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char* acquire() ; // return what is pointed at by p and reset
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// alloc_sz, sz, and p to 0;
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// append x to this and return this.
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ostring* operator+= (ostring* x);
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// concate all ostring arguments (ostring* 's) to this and return this.
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ostring* concate_with(...);
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Boolean string_LS(ostring&) const;
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Boolean string_EQ(ostring&) const;
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friend ostream& operator <<(ostream&, const ostring&);
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friend istream& operator >>(istream&, ostring&);
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protected:
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char *v_p; // memory chunk pointer
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int v_sz; // string size
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int v_allo_sz; // allocated memory chunk size
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#ifdef C_API
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static char* input_buf;
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friend void initialize_MMDB();
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friend void quit_MMDB();
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#else
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static char input_buf[LBUFSIZ];
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#endif
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};
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#endif
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