PHP DB_DataObject::_loadConfig方法代码示例

 public function _loadConfig()
 {
     // avoid those annoying PEAR::DB strict standards warnings it causes
     $old = error_reporting();
     error_reporting(error_reporting() & ~E_STRICT);
     $res = parent::_loadConfig();
     // reset
     error_reporting($old);
     return $res;
 }

 function _getDbDsn()
 {
     global $_DB_DATAOBJECT;
     if (empty($_DB_DATAOBJECT['CONFIG'])) {
         DB_DataObject::_loadConfig();
     }
     $options =& $_DB_DATAOBJECT['CONFIG'];
     // if the databse dsn dis defined in the object..
     $dsn = isset($this->_database_dsn) ? $this->_database_dsn : null;
     if (!$dsn) {
         if (!$this->_database) {
             $this->_database = isset($options["table_{$this->__table}"]) ? $options["table_{$this->__table}"] : null;
         }
         if ($this->_database && !empty($options["database_{$this->_database}"])) {
             $dsn = $options["database_{$this->_database}"];
         } else {
             if (!empty($options['database'])) {
                 $dsn = $options['database'];
             }
         }
     }
     if (!$dsn) {
         // TRANS: Exception thrown when database name or Data Source Name could not be found.
         throw new Exception(_('No database name or DSN found anywhere.'));
     }
     return $dsn;
 }

 /**
  * sets and returns debug level
  * eg. DB_DataObject::debugLevel(4);
  *
  * @param   int     $v  level
  * @access  public
  * @return  none
  */
 function debugLevel($v = null)
 {
     global $_DB_DATAOBJECT;
     if (empty($_DB_DATAOBJECT['CONFIG'])) {
         DB_DataObject::_loadConfig();
     }
     if ($v !== null) {
         $r = isset($_DB_DATAOBJECT['CONFIG']['debug']) ? $_DB_DATAOBJECT['CONFIG']['debug'] : 0;
         $_DB_DATAOBJECT['CONFIG']['debug'] = $v;
         return $r;
     }
     return isset($_DB_DATAOBJECT['CONFIG']['debug']) ? $_DB_DATAOBJECT['CONFIG']['debug'] : 0;
 }

 /**
  * Work around memory-leak bugs...
  * Had to copy-paste the whole function in order to patch a couple lines of it.
  * Would be nice if this code was better factored.
  *
  * @param optional string  name of database to assign / read
  * @param optional array   structure of database, and keys
  * @param optional array  table links
  *
  * @access public
  * @return true or PEAR:error on wrong paramenters.. or false if no file exists..
  *              or the array(tablename => array(column_name=>type)) if called with 1 argument.. (databasename)
  */
 function databaseStructure()
 {
     global $_DB_DATAOBJECT;
     // Assignment code
     if ($args = func_get_args()) {
         if (count($args) == 1) {
             // this returns all the tables and their structure..
             if (!empty($_DB_DATAOBJECT['CONFIG']['debug'])) {
                 $this->debug("Loading Generator as databaseStructure called with args", 1);
             }
             $x = new DB_DataObject();
             $x->_database = $args[0];
             $this->_connect();
             $DB =& $_DB_DATAOBJECT['CONNECTIONS'][$this->_database_dsn_md5];
             $tables = $DB->getListOf('tables');
             class_exists('DB_DataObject_Generator') ? '' : (require_once 'DB/DataObject/Generator.php');
             foreach ($tables as $table) {
                 $y = new DB_DataObject_Generator();
                 $y->fillTableSchema($x->_database, $table);
             }
             return $_DB_DATAOBJECT['INI'][$x->_database];
         } else {
             $_DB_DATAOBJECT['INI'][$args[0]] = isset($_DB_DATAOBJECT['INI'][$args[0]]) ? $_DB_DATAOBJECT['INI'][$args[0]] + $args[1] : $args[1];
             if (isset($args[1])) {
                 $_DB_DATAOBJECT['LINKS'][$args[0]] = isset($_DB_DATAOBJECT['LINKS'][$args[0]]) ? $_DB_DATAOBJECT['LINKS'][$args[0]] + $args[2] : $args[2];
             }
             return true;
         }
     }
     if (!$this->_database) {
         $this->_connect();
     }
     // loaded already?
     if (!empty($_DB_DATAOBJECT['INI'][$this->_database])) {
         // database loaded - but this is table is not available..
         if (empty($_DB_DATAOBJECT['INI'][$this->_database][$this->__table]) && !empty($_DB_DATAOBJECT['CONFIG']['proxy'])) {
             if (!empty($_DB_DATAOBJECT['CONFIG']['debug'])) {
                 $this->debug("Loading Generator to fetch Schema", 1);
             }
             class_exists('DB_DataObject_Generator') ? '' : (require_once 'DB/DataObject/Generator.php');
             $x = new DB_DataObject_Generator();
             $x->fillTableSchema($this->_database, $this->__table);
         }
         return true;
     }
     if (empty($_DB_DATAOBJECT['CONFIG'])) {
         DB_DataObject::_loadConfig();
     }
     // if you supply this with arguments, then it will take those
     // as the database and links array...
     $schemas = isset($_DB_DATAOBJECT['CONFIG']['schema_location']) ? array("{$_DB_DATAOBJECT['CONFIG']['schema_location']}/{$this->_database}.ini") : array();
     if (isset($_DB_DATAOBJECT['CONFIG']["ini_{$this->_database}"])) {
         $schemas = is_array($_DB_DATAOBJECT['CONFIG']["ini_{$this->_database}"]) ? $_DB_DATAOBJECT['CONFIG']["ini_{$this->_database}"] : explode(PATH_SEPARATOR, $_DB_DATAOBJECT['CONFIG']["ini_{$this->_database}"]);
     }
     /* BEGIN CHANGED FROM UPSTREAM */
     $_DB_DATAOBJECT['INI'][$this->_database] = $this->parseIniFiles($schemas);
     /* END CHANGED FROM UPSTREAM */
     // now have we loaded the structure..
     if (!empty($_DB_DATAOBJECT['INI'][$this->_database][$this->__table])) {
         return true;
     }
     // - if not try building it..
     if (!empty($_DB_DATAOBJECT['CONFIG']['proxy'])) {
         class_exists('DB_DataObject_Generator') ? '' : (require_once 'DB/DataObject/Generator.php');
         $x = new DB_DataObject_Generator();
         $x->fillTableSchema($this->_database, $this->__table);
         // should this fail!!!???
         return true;
     }
     $this->debug("Cant find database schema: {$this->_database}/{$this->__table} \n" . "in links file data: " . print_r($_DB_DATAOBJECT['INI'], true), "databaseStructure", 5);
     // we have to die here!! - it causes chaos if we don't (including looping forever!)
     // Low level exception. No need for i18n as discussed with Brion.
     $this->raiseError("Unable to load schema for database and table (turn debugging up to 5 for full error message)", DB_DATAOBJECT_ERROR_INVALIDARGS, PEAR_ERROR_DIE);
     return false;
 }

 function _loadConfig()
 {
     global $_DB_DATAOBJECT;
     if (!isset($_DB_DATAOBJECT['CONFIG'])) {
         parent::_loadConfig();
     }
     // Set DB Driver as MDB2
     $_DB_DATAOBJECT['CONFIG']['db_driver'] = 'MDB2';
 }

 /**
  * The table class geneation part - single file.
  *
  * @access  private
  * @return  none
  */
 function _generateClassTable($input = '')
 {
     // title = expand me!
     $foot = "";
     $head = "<?php\n/**\n * Table Definition for {$this->table}\n";
     $head .= $this->derivedHookPageLevelDocBlock();
     $head .= " */\n";
     $head .= $this->derivedHookExtendsDocBlock();
     // requires
     $head .= "require_once '{$this->_extendsFile}';\n\n";
     // add dummy class header in...
     // class
     $head .= $this->derivedHookClassDocBlock();
     $head .= "class {$this->classname} extends {$this->_extends} \n{";
     $body = "\n    ###START_AUTOCODE\n";
     $body .= "    /* the code below is auto generated do not remove the above tag */\n\n";
     // table
     $padding = 30 - strlen($this->table);
     $padding = $padding < 2 ? 2 : $padding;
     $p = str_repeat(' ', $padding);
     $options =& PEAR::getStaticProperty('DB_DataObject', 'options');
     $var = substr(phpversion(), 0, 1) > 4 ? 'public' : 'var';
     $var = !empty($options['generator_var_keyword']) ? $options['generator_var_keyword'] : $var;
     $body .= "    {$var} \$__table = '{$this->table}';  {$p}// table name\n";
     // if we are using the option database_{databasename} = dsn
     // then we should add var $_database = here
     // as database names may not always match..
     if (empty($GLOBALS['_DB_DATAOBJECT']['CONFIG'])) {
         DB_DataObject::_loadConfig();
     }
     // Only include the $_database property if the omit_database_var is unset or false
     if (isset($options["database_{$this->_database}"]) && empty($GLOBALS['_DB_DATAOBJECT']['CONFIG']['generator_omit_database_var'])) {
         $body .= "    {$var} \$_database = '{$this->_database}';  {$p}// database name (used with database_{*} config)\n";
     }
     if (!empty($options['generator_novars'])) {
         $var = '//' . $var;
     }
     $defs = $this->_definitions[$this->table];
     // show nice information!
     $connections = array();
     $sets = array();
     foreach ($defs as $t) {
         if (!strlen(trim($t->name))) {
             continue;
         }
         if (!preg_match('/^[a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]*$/', $t->name)) {
             echo "*****************************************************************\n" . "**               WARNING COLUMN NAME UNUSABLE                  **\n" . "** Found column '{$t->name}', of type  '{$t->type}'            **\n" . "** Since this column name can't be converted to a php variable **\n" . "** name, and the whole idea of mapping would result in a mess  **\n" . "** This column has been ignored...                             **\n" . "*****************************************************************\n";
             continue;
         }
         $padding = 30 - strlen($t->name);
         if ($padding < 2) {
             $padding = 2;
         }
         $p = str_repeat(' ', $padding);
         $length = empty($t->len) ? '' : '(' . $t->len . ')';
         $body .= "    {$var} \${$t->name};  {$p}// {$t->type}{$length}  {$t->flags}\n";
         // can not do set as PEAR::DB table info doesnt support it.
         //if (substr($t->Type,0,3) == "set")
         //    $sets[$t->Field] = "array".substr($t->Type,3);
         $body .= $this->derivedHookVar($t, $padding);
     }
     // THIS IS TOTALLY BORKED old FC creation
     // IT WILL BE REMOVED!!!!! in DataObjects 1.6
     // grep -r __clone * to find all it's uses
     // and replace them with $x = clone($y);
     // due to the change in the PHP5 clone design.
     if (substr(phpversion(), 0, 1) < 5) {
         $body .= "\n";
         $body .= "    /* ZE2 compatibility trick*/\n";
         $body .= "    function __clone() { return \$this;}\n";
     }
     // simple creation tools ! (static stuff!)
     $body .= "\n";
     $body .= "    /* Static get */\n";
     $body .= "    function staticGet(\$k,\$v=NULL) { return DB_DataObject::staticGet('{$this->classname}',\$k,\$v); }\n";
     // generate getter and setter methods
     $body .= $this->_generateGetters($input);
     $body .= $this->_generateSetters($input);
     /*
     theoretically there is scope here to introduce 'list' methods
     based up 'xxxx_up' column!!! for heiracitcal trees..
     */
     // set methods
     //foreach ($sets as $k=>$v) {
     //    $kk = strtoupper($k);
     //    $body .="    function getSets{$k}() { return {$v}; }\n";
     //}
     if (!empty($options['generator_no_ini'])) {
         $def = $this->_generateDefinitionsTable();
         // simplify this!?
         $body .= $this->_generateTableFunction($def['table']);
         $body .= $this->_generateKeysFunction($def['keys']);
         $body .= $this->_generateSequenceKeyFunction($def);
         $body .= $this->_generateDefaultsFunction($this->table, $def['table']);
//.........这里部分代码省略.........

 /**
  * sets and returns debug level
  * eg. DB_DataObject::debugLevel(4);
  *
  * @param   int     $v  level
  * @access  public
  * @return  none
  */
 function debugLevel($v = NULL)
 {
     global $_DB_DATAOBJECT;
     if (empty($_DB_DATAOBJECT['CONFIG'])) {
         DB_DataObject::_loadConfig();
     }
     if ($v !== NULL) {
         $_DB_DATAOBJECT['CONFIG']['debug'] = $v;
     }
     return @$_DB_DATAOBJECT['CONFIG']['debug'];
 }