| 1 | /**********************************************************************
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| 2 | *
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| 3 | * tipaction.cpp -- define random tip macros
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| 4 | * Copyright (C) 1999 DigiLib Systems Limited, New Zealand
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| 5 | *
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| 6 | * A component of the Greenstone digital library software
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| 7 | * from the New Zealand Digital Library Project at the
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| 8 | * University of Waikato, New Zealand.
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| 9 | *
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| 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; either version 2 of the License, or
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| 13 | * (at your option) any later version.
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| 14 | *
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| 15 | * This program is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | * GNU General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU General Public License
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| 21 | * along with this program; if not, write to the Free Software
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| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | *
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| 24 | *********************************************************************/
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| 25 |
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| 26 | #include "gsdl_modules_cfg.h"
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| 27 | #ifdef GSDL_USE_TIP_ACTION
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| 28 |
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| 29 | #include "tipaction.h"
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| 30 | #include <stdlib.h>
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| 31 |
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| 32 |
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| 33 | tipaction::tipaction () {
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| 34 | // "st" show tips - "0"=no, "1"=yes
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| 35 | cgiarginfo arg_ainfo;
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| 36 | arg_ainfo.shortname = "st";
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| 37 | arg_ainfo.longname = "show tips";
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| 38 | arg_ainfo.multiplechar = true;
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| 39 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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| 40 | arg_ainfo.argdefault = "1";
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| 41 | arg_ainfo.savedarginfo = cgiarginfo::must;
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| 42 | argsinfo.addarginfo (NULL, arg_ainfo);
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| 43 | }
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| 44 |
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| 45 | void tipaction::define_external_macros (displayclass &disp, cgiargsclass &args,
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| 46 | recptprotolistclass * /*protos*/, ostream &logout) {
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| 47 |
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| 48 | // define_external_macros sets the following macros:
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| 49 |
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| 50 | // _tip:thistip_ - a random tip (defined if st == "1")
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| 51 |
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| 52 | if (args["st"].getint()) {
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| 53 | // get the maximum tip number (_tip:tipmax_)
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| 54 | text_t tipmax_str;
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| 55 | disp.expandstring ("tip", "_tipmax_", tipmax_str);
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| 56 | if (tipmax_str.empty()) {
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| 57 | // don't bother filling up the logs if tip.dm isn't loaded!
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| 58 | // logout << "Warning: _tip:tipmax_ not set. This macro is needed for displaying tips.\n";
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| 59 | return;
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| 60 | }
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| 61 |
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| 62 | int tipmax = tipmax_str.getint();
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| 63 | if (tipmax < 1) {
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| 64 | // don't bother filling up the logs if tip.dm isn't loaded!
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| 65 | // logout << "Warning: _tip:tipmax_ was less than 1. No tips were set.\n";
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| 66 | return;
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| 67 | }
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| 68 |
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| 69 | disp.setmacro("thistip", "tip", "_tip" + text_t((rand()%tipmax) + 1) + "_");
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| 70 | }
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| 71 | }
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| 72 |
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| 73 | #endif //GSDL_USE_TIP_ACTION
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