MediaWiki  master
cdb.php
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1 <?php
27 
28 require_once __DIR__ . '/commandLine.inc';
29 
30 function cdbShowHelp( $command ) {
31  $commandList = [
32  'load' => 'load a cdb file for reading',
33  'get' => 'get a value for a key',
34  'exit' => 'exit cdb',
35  'quit' => 'exit cdb',
36  'help' => 'help about a command',
37  ];
38  if ( !$command ) {
39  $command = 'fullhelp';
40  }
41  if ( $command === 'fullhelp' ) {
42  $max_cmd_len = max( array_map( 'strlen', array_keys( $commandList ) ) );
43  foreach ( $commandList as $cmd => $desc ) {
44  printf( "%-{$max_cmd_len}s: %s\n", $cmd, $desc );
45  }
46  } elseif ( isset( $commandList[$command] ) ) {
47  print "$command: $commandList[$command]\n";
48  } else {
49  print "$command: command does not exist or no help for it\n";
50  }
51 }
52 
53 do {
54  $bad = false;
55  $showhelp = false;
56  $quit = false;
57  static $fileHandle = false;
58 
60  if ( $line === false ) {
61  exit;
62  }
63 
64  $args = explode( ' ', $line, 2 );
65  $command = array_shift( $args );
66 
67  // process command
68  switch ( $command ) {
69  case 'help':
70  // show an help message
71  cdbShowHelp( array_shift( $args ) );
72  break;
73  case 'load':
74  if ( !isset( $args[0] ) ) {
75  print "Need a filename there buddy\n";
76  break;
77  }
78  $file = $args[0];
79  print "Loading cdb file $file...";
80  try {
81  $fileHandle = CdbReader::open( $file );
82  } catch ( CdbException $e ) {
83  }
84 
85  if ( !$fileHandle ) {
86  print "not a cdb file or unable to read it\n";
87  } else {
88  print "ok\n";
89  }
90  break;
91  case 'get':
92  if ( !$fileHandle ) {
93  print "Need to load a cdb file first\n";
94  break;
95  }
96  if ( !isset( $args[0] ) ) {
97  print "Need to specify a key, Luke\n";
98  break;
99  }
100  try {
101  $res = $fileHandle->get( $args[0] );
102  } catch ( CdbException $e ) {
103  print "Unable to read key from file\n";
104  break;
105  }
106  if ( $res === false ) {
107  print "No such key/value pair\n";
108  } elseif ( is_string( $res ) ) {
109  print "$res\n";
110  } else {
111  var_dump( $res );
112  }
113  break;
114  case 'quit':
115  case 'exit':
116  $quit = true;
117  break;
118 
119  default:
120  $bad = true;
121  } // switch() end
122 
123  if ( $bad ) {
124  if ( $command ) {
125  print "Bad command\n";
126  }
127  } else {
128  if ( function_exists( 'readline_add_history' ) ) {
129  readline_add_history( $line );
130  }
131  }
132 } while ( !$quit );
Apache License January AND DISTRIBUTION Definitions License shall mean the terms and conditions for use
$command
Definition: cdb.php:65
static readconsole( $prompt='> ')
Prompt the console for input.
cdbShowHelp( $command)
Definition: cdb.php:30
$showhelp
Definition: cdb.php:55
if( $line===false) $args
Definition: cdb.php:64
$res
Definition: database.txt:21
$quit
Definition: cdb.php:56
This document is intended to provide useful advice for parties seeking to redistribute MediaWiki to end users It s targeted particularly at maintainers for Linux since it s been observed that distribution packages of MediaWiki often break We ve consistently had to recommend that users seeking support use official tarballs instead of their distribution s and this often solves whatever problem the user is having It would be nice if this could such as
Definition: distributors.txt:9
injection txt This is an overview of how MediaWiki makes use of dependency injection The design described here grew from the discussion of RFC T384 The term dependency this means that anything an object needs to operate should be injected from the the object itself should only know narrow no concrete implementation of the logic it relies on The requirement to inject everything typically results in an architecture that based on two main types of and essentially stateless service objects that use other service objects to operate on the value objects As of the beginning MediaWiki is only starting to use the DI approach Much of the code still relies on global state or direct resulting in a highly cyclical dependency which acts as the top level factory for services in MediaWiki which can be used to gain access to default instances of various services MediaWikiServices however also allows new services to be defined and default services to be redefined Services are defined or redefined by providing a callback the instantiator that will return a new instance of the service When it will create an instance of MediaWikiServices and populate it with the services defined in the files listed by thereby bootstrapping the DI framework Per $wgServiceWiringFiles lists includes ServiceWiring php
Definition: injection.txt:35
$line
Definition: cdb.php:59
static $fileHandle
Definition: cdb.php:57