1 | /**********************************************************************
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2 | *
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3 | * recptconfig.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 "recptconfig.h"
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27 | #include "fileutil.h"
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28 | #include "cfgread.h"
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29 | #include "cnfgator.h"
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30 |
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31 |
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32 | #if defined(GSDL_USE_OBJECTSPACE)
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33 | # include <ospace/std/iostream>
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34 | # include <ospace/std/fstream>
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35 | #elif defined(GSDL_USE_IOS_H)
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36 | # include <iostream.h>
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37 | # include <fstream.h>
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38 | #else
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39 | # include <iostream>
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40 | # include <fstream>
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41 | #endif
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42 |
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43 | class __site_configuration : public configurable {
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44 | private:
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45 | text_t *gsdlhome;
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46 | text_t *httpdomain;
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47 | text_t *httpprefix;
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48 | int *maxrequests;
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49 | public:
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50 | __site_configuration (text_t *_gsdlhome, int *_maxrequests) {
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51 | gsdlhome = _gsdlhome;
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52 | httpdomain = NULL;
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53 | httpprefix = NULL;
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54 | maxrequests = _maxrequests;
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55 | }
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56 |
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57 | __site_configuration (text_t *_gsdlhome, text_t *_httpdomain,
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58 | text_t *_httpprefix) {
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59 | gsdlhome = _gsdlhome;
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60 | httpdomain = _httpdomain;
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61 | httpprefix = _httpprefix;
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62 | maxrequests = NULL;
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63 | }
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64 |
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65 | inline void configure (const text_t &key, const text_tarray &cfgline) {
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66 | if (key == "gsdlhome") {
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67 | *gsdlhome = cfgline[0];
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68 | }
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69 |
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70 | if (key == "httpprefix" &&
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71 | httpprefix != NULL) {
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72 | *httpprefix = cfgline[0];
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73 | }
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74 |
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75 | if (key == "httpdomain" &&
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76 | httpdomain != NULL) {
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77 | *httpdomain = cfgline[0];
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78 | }
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79 |
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80 | if (key == "maxrequests" &&
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81 | maxrequests != NULL) {
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82 | *maxrequests = cfgline[0].getint();
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83 | if ((*maxrequests) < 1) {
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84 | *maxrequests = 1;
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85 | }
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86 | }
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87 | }
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88 | };
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89 |
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90 |
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91 | // reads site configuration file returning true on success
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92 | // also sets gsdlhome and maxrequests
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93 | // gsdlsite.cfg should be in same directory as library executable
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94 | bool site_cfg_read (receptionist &recpt, text_t &gsdlhome, int &maxrequests) {
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95 | // initialise configurator, etc.
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96 | __site_configuration sitecfg (&gsdlhome, &maxrequests);
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97 | configurator gsdlconfigurator(&recpt);
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98 |
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99 | gsdlconfigurator.add_configurable(&sitecfg);
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100 |
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101 | // blank the gsdl home text
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102 | gsdlhome.clear();
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103 |
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104 | if (gsdlconfigurator.configure("gsdlsite.cfg")) {
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105 | return true;
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106 | }
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107 | return false;
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108 | }
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109 |
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110 | // this version grabs gsdlhome, httpdomain and httpprefix,
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111 | // returns false if it can't find all of them
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112 | bool site_cfg_read (text_t &gsdlhome, text_t &httpdomain,
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113 | text_t &httpprefix) {
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114 | // get gsdlhome etc
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115 | __site_configuration sitecfg(&gsdlhome, &httpdomain, &httpprefix);
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116 | configurator gsdlconfigurator(&sitecfg);
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117 |
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118 | gsdlhome.clear();
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119 | httpdomain.clear();
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120 | httpprefix.clear();
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121 |
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122 | if (gsdlconfigurator.configure("gsdlsite.cfg") &&
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123 | !gsdlhome.empty() && !httpdomain.empty() && !httpprefix.empty()) {
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124 | return true;
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125 | }
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126 |
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127 | return true;
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128 |
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129 | return false;
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130 | }
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131 |
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132 | // main_cfg_read reads both main.cfg and collect.cfg. It attempts
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133 | // to read main.cfg first so values in collect.cfg override those
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134 | // set earlier by main.cfg
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135 | bool main_cfg_read (receptionist &recpt, const text_t &gsdlhome,
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136 | const text_t &collection) {
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137 |
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138 | // read in the main configuration file
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139 | bool rv = false;
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140 |
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141 | text_t key, filename;
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142 | text_tarray cfgline;
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143 | filename = filename_cat (gsdlhome, "etc");
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144 | filename = filename_cat (filename, "main.cfg");
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145 | if (file_exists (filename)) {
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146 | rv = recpt.read_configfile(filename);
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147 | }
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148 |
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149 | // Look for collect.cfg in GSDLHOME/collect/collection-name/etc directory
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150 | // (if this is for a particular collection), and then GSDLHOME/etc.
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151 | if (!collection.empty()) {
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152 | filename = filename_cat (gsdlhome, "collect");
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153 | filename = filename_cat (filename, collection);
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154 | filename = filename_cat (filename, "etc");
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155 | filename = filename_cat (filename, "collect.cfg");
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156 | if (!file_exists (filename)) {
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157 | filename = filename_cat (gsdlhome, "etc");
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158 | filename = filename_cat (filename, "collect.cfg");
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159 | if (!file_exists (filename)) filename.clear();
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160 | }
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161 |
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162 | if (!filename.empty()) {
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163 | rv |= recpt.read_configfile(filename);
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164 | }
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165 | }
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166 | return rv;
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167 | }
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