[649] | 1 | /**********************************************************************
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| 2 | *
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| 3 | * browserclass.cpp --
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| 4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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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 "browserclass.h"
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| 27 | #include <assert.h>
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| 28 |
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| 29 |
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| 30 | browserclass::browserclass () {
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| 31 | }
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| 32 |
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| 33 | browserclass::~browserclass () {
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| 34 | }
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| 35 |
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| 36 | // configure should be called once for each configuration line
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| 37 | // the default version does nothing
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| 38 | void browserclass::configure (const text_t &/*key*/, const text_tarray &/*cfgline*/) {
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| 39 | }
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| 40 |
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| 41 | // init should be called after all the configuration is done but
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| 42 | // before any other methods are called
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| 43 | bool browserclass::init (ostream &/*logout*/) {
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| 44 | return true;
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| 45 | }
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| 46 |
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| 47 | // returns the name that specifies the browserclass type
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| 48 | text_t browserclass::get_browser_name () {
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| 49 | return "";
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| 50 | }
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| 51 |
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[752] | 52 | void browserclass::processOID (cgiargsclass &/*args*/, recptproto * /*collectproto*/, ostream &/*logout*/) {
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[649] | 53 | }
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| 54 |
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[668] | 55 | void browserclass::load_metadata_defaults (text_tset &/*metadata*/) {
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[649] | 56 | }
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| 57 |
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| 58 | text_t browserclass::get_default_formatstring () {
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[1254] | 59 | return "";
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[649] | 60 | }
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| 61 |
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[765] | 62 | void browserclass::set_filter_options (FilterRequest_t &request, cgiargsclass &args) {
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| 63 |
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| 64 | OptionValue_t option;
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| 65 |
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| 66 | if (args["a"] == "q") {
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| 67 | int arg_m = args.getintarg("m");
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| 68 |
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| 69 | option.name = "StartResults";
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| 70 | option.value = args["r"];
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| 71 | request.filterOptions.push_back (option);
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| 72 |
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| 73 | option.name = "EndResults";
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| 74 | int endresults = args.getintarg("o") + (args.getintarg("r") - 1);
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| 75 | // int endresults = (args.getintarg("o")*3) + (args.getintarg("r") - 1);
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| 76 | if ((endresults > arg_m) && (arg_m != -1)) endresults = arg_m;
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| 77 | option.value = endresults;
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| 78 | request.filterOptions.push_back (option);
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| 79 |
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| 80 | } else {
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| 81 | option.name = "StartResults";
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| 82 | option.value = args["r"];
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| 83 | request.filterOptions.push_back (option);
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| 84 |
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| 85 | option.name = "EndResults";
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| 86 | int endresults = 20 + (args.getintarg("r") - 1);
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| 87 | option.value = endresults;
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| 88 | request.filterOptions.push_back (option);
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| 89 | }
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| 90 | }
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| 91 |
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[649] | 92 | int browserclass::output_section_group (ResultDocInfo_t &/*section*/, cgiargsclass &/*args*/,
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[752] | 93 | const text_t &/*collection*/, int /*colnumber*/,
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| 94 | format_t * /*formatlistptr*/, bool /*use_table*/,
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| 95 | text_tset &/*metadata*/, bool &/*getParents*/,
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| 96 | recptproto * /*collectproto*/, displayclass &/*disp*/,
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| 97 | outconvertclass &/*outconvert*/, ostream &/*textout*/,
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| 98 | ostream &/*logout*/) {
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[649] | 99 | return 0;
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| 100 | }
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| 101 |
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[668] | 102 | int browserclass::output_section_group (FilterResponse_t &/*sections*/, cgiargsclass &/*args*/,
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[752] | 103 | const text_t &/*collection*/, int /*colnumber*/,
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| 104 | format_t * /*formatlistptr*/, bool /*use_table*/,
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| 105 | text_tset &/*metadata*/, bool &/*getParents*/,
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| 106 | recptproto * /*collectproto*/, displayclass &/*disp*/,
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| 107 | outconvertclass &/*outconvert*/, ostream &/*textout*/,
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| 108 | ostream &/*logout*/) {
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[668] | 109 | return 0;
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| 110 | }
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| 111 |
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[649] | 112 | bool operator==(const browserptr &x, const browserptr &y) {
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| 113 | return (x.b == y.b);
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| 114 | }
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| 115 |
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| 116 | bool operator<(const browserptr &x, const browserptr &y) {
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| 117 | return (x.b < y.b);
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| 118 | }
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| 119 |
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| 120 | // thebrowserclass remains the property of the calling code but
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| 121 | // should not be deleted until it is removed from this list.
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| 122 | void browsermapclass::addbrowser (browserclass *thebrowserclass) {
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| 123 | // can't add a null browserclass
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| 124 | assert (thebrowserclass != NULL);
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| 125 | if (thebrowserclass == NULL) return;
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| 126 |
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| 127 | // can't add a browserclass with no name
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| 128 | assert (!(thebrowserclass->get_browser_name()).empty());
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| 129 | if ((thebrowserclass->get_browser_name()).empty()) return;
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| 130 |
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| 131 | browserptr aptr;
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| 132 | aptr.b = thebrowserclass;
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| 133 | browserptrs[thebrowserclass->get_browser_name()] = aptr;
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| 134 | }
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| 135 |
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| 136 | // getbrowser will return the default browser if the browser
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| 137 | // could not be found
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| 138 | browserclass *browsermapclass::getbrowser (const text_t &key) {
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| 139 | // can't find a browser with no name
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| 140 | if (key.empty()) return get_default_browser();
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| 141 |
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| 142 | iterator here = browserptrs.find (key);
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| 143 | if (here == browserptrs.end()) return get_default_browser();
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| 144 |
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| 145 | return (*here).second.b;
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| 146 | }
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| 147 |
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| 148 | void browsermapclass::setdefaultbrowser (const text_t &browsername) {
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| 149 | defaultbrowser = browsername;
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| 150 | }
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| 151 |
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| 152 | browserclass *browsermapclass::get_default_browser () {
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| 153 |
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| 154 | iterator here = browserptrs.find (defaultbrowser);
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| 155 | if (here == browserptrs.end())
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| 156 | // we'll just take the first in the list if
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| 157 | // no valid default was set
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| 158 | here = browserptrs.begin();
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| 159 | return (*here).second.b;
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| 160 | }
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