nucleus/applications/nechung/cgi_nechung.cpp

   1 /*****************************************************************************\
   2 *                                                                             *
   3 *  Name   : CGI nechung                                                       *
   4 *  Author : Chris Koeritz                                                     *
   5 *                                                                             *
   6 *******************************************************************************
   7 * Copyright (c) 1997-$now By Author.  This program is free software; you can  *
   8 * redistribute it and/or modify it under the terms of the GNU General Public  *
   9 * License as published by the Free Software Foundation; either version 2 of   *
  10 * the License or (at your option) any later version.  This is online at:      *
  11 *     http://www.fsf.org/copyleft/gpl.html                                    *
  12 * Please send any updates to: fred@gruntose.com                               *
  13 \*****************************************************************************/
  14
  15 //! @file cgi_nechung.cpp Spits out a CGI appropriate chunk of text with a fortune in it.
  16
  17 #include "nechung_oracle.h"
  18
  19 #include <basis/astring.h>
  20 #include <basis/environment.h>
  21 #include <basis/guards.h>
  22 #include <filesystem/filename.h>
  23 #include <loggers/console_logger.h>
  24 #include <loggers/critical_events.h>
  25 #include <loggers/program_wide_logger.h>
  26
  27 #include <stdio.h>
  28
  29 //using namespace application;
  30 using namespace basis;
  31 using namespace filesystem;
  32 using namespace loggers;
  33
  34 #undef LOG
  35 #define LOG(s) program_wide_logger::get().log(s, 0)
  36
  37 ////HOOPLE_STARTUP_CODE;
  38 //hmmm: need this back when things are ready!
  39
  40 #define DEFAULT_FORTUNE_FILE "fortunes.dat"
  41
  42 int main(int argc, char *argv[])
  43 {
  44   SETUP_CONSOLE_LOGGER;
  45
  46   astring name;
  47   astring index;
  48   if (argc > 1) {
  49     // use the first command line argument.
  50     name = argv[1];
  51   } else {
  52     // if nothing on the command line, then use our defaults.
  53     name = environment::get("NECHUNG");
  54       // first try the environment variable.
  55     if (!name) name = DEFAULT_FORTUNE_FILE;
  56       // next, use the hardwired default.
  57   }
  58
  59   if (name.length() < 5) {
  60     LOG(astring("nechung:: file name is too short (") + name + ").");
  61     return 1;
  62   }
  63   filename index_file_name(name);
  64   astring extension(index_file_name.extension());
  65   int end = index_file_name.raw().end();
  66 #ifdef DEBUG_NECHUNG
  67   LOG(astring("fortune filename is ") + name);
  68   LOG(astring("extension is ") + extension);
  69 #endif
  70   astring tmp = index_file_name;
  71   tmp.zap( (end + 1) - extension.length(), end);
  72   tmp += "idx";
  73   astring base_part = filename(tmp).basename();
  74   index_file_name = environment::TMP() + "/" + base_part;
  75 #ifdef DEBUG_NECHUNG
  76   LOG(astring("index file is ") + index_file_name);
  77 #endif
  78   index = index_file_name;
  79
  80   nechung_oracle some_fortunes(name, index);
  81   // send the header for html text.
  82   printf("content-type: text/html\n\n");
  83   // send the preliminary gunk.
  84   printf("<body>\n");
  85 //text=\"#00ee00\" bgcolor=\"#000000\" link=\"#66ff99\" "
  86 //      "vlink=\"#cc33cc\" alink=\"#ff9900\">\n");
  87   printf("<tt style=\"font-weight: bold;\">\n");
  88   printf("<font size=\"+1\">\n");
  89
  90   astring to_show = some_fortunes.pick_random();
  91   int line_posn = 0;
  92   for (int i = 0; i < to_show.length(); i++) {
  93     if (to_show[i] == ' ') {
  94       // spaces get translated to one non-breaking space.
  95       printf("&nbsp;");
  96       line_posn++;
  97     } else if (to_show[i] == '\t') {
  98       // tabs get translated to positioning at tab stops based on eight.
  99       int to_add = 8 - line_posn % 8;
 100       for (int j = 0; j < to_add; j++) printf("&nbsp;");
 101       line_posn += to_add;
 102     } else if (to_show[i] == '\r')
 103       continue;
 104     else if (to_show[i] == '\n') {
 105       printf("<br>%c", to_show[i]);
 106       line_posn = 0;
 107     } else {
 108       printf("%c", to_show[i]);
 109       line_posn++;
 110     }
 111   }
 112   printf("\n");
 113   printf("</font>\n");
 114   printf("</tt>\n");
 115   printf("</body>\n");
 116   printf("</html>\n");
 117   return 0;
 118 }
 119
 120 #ifdef __BUILD_STATIC_APPLICATION__
 121   // static dependencies found by buildor_gen_deps.sh:
 122   #include <application/application_shell.cpp>
 123   #include <basis/astring.cpp>
 124   #include <basis/common_outcomes.cpp>
 125   #include <basis/environment.cpp>
 126   #include <basis/mutex.cpp>
 127   #include <basis/utf_conversion.cpp>
 128   #include <configuration/application_configuration.cpp>
 129   #include <configuration/configurator.cpp>
 130   #include <configuration/ini_configurator.cpp>
 131   #include <configuration/ini_parser.cpp>
 132   #include <configuration/table_configurator.cpp>
 133   #include <configuration/variable_tokenizer.cpp>
 134   #include <filesystem/byte_filer.cpp>
 135   #include <filesystem/directory.cpp>
 136   #include <filesystem/filename.cpp>
 137   #include <filesystem/file_time.cpp>
 138   #include <loggers/combo_logger.cpp>
 139   #include <loggers/console_logger.cpp>
 140   #include <loggers/critical_events.cpp>
 141   #include <loggers/file_logger.cpp>
 142   #include <loggers/program_wide_logger.cpp>
 143   #include <structures/bit_vector.cpp>
 144   #include <structures/checksums.cpp>
 145   #include <structures/object_packers.cpp>
 146   #include <structures/static_memory_gremlin.cpp>
 147   #include <structures/string_hasher.cpp>
 148   #include <structures/string_table.cpp>
 149   #include <structures/version_record.cpp>
 150   #include <textual/byte_formatter.cpp>
 151   #include <textual/parser_bits.cpp>
 152   #include <textual/string_manipulation.cpp>
 153   #include <timely/earth_time.cpp>
 154   #include <timely/time_stamp.cpp>
 155 #endif // __BUILD_STATIC_APPLICATION__
 156