WebSVN - locum - Blame - Rev 153 - /tags/1.1.0-rc3/locum.php

Rev	Author	Line No.	Line
1	jblyberg	1	<?php
20	jblyberg	2	/**
22	jblyberg	3	* Locum is a software library that abstracts ILS functionality into a
		4	* catalog discovery layer for use with such things as bolt-on OPACs like
		5	* SOPAC.
		6	* @package Locum
		7	* @author John Blyberg
		8	*/
1	jblyberg	9
22	jblyberg	10
		11	/**
		12	* This is the parent Locum class for all locum-related activity.
		13	* This is called as the parent by either the client or the server piece.
		14	*/
1	jblyberg	15	class locum {
		16
111	jblyberg	17	public $locum_config;
		18	public $locum_cntl;
		19	public $db;
		20	public $dsn;
1	jblyberg	21
111	jblyberg	22	/**
		23	* Locum constructor.
		24	* This function prepares Locum for activity.
		25	*/
		26	public function __construct() {
		27	if (file_exists('locum-hooks.php')) {
		28	require_once('locum-hooks.php');
		29	}
		30	if (is_callable(array('locum_hook', 'constructor_override'))) {
		31	$hook = new locum_client_hook;
		32	$hook->constructor_override($this);
112	jblyberg	33	if ($this->replace_constructor) {
		34	return;
		35	}
111	jblyberg	36	}
		37
		38	ini_set('memory_limit','128M');
		39	$this->locum_config = parse_ini_file('config/locum.ini', true);
120	jblyberg	40	$script_dir = realpath(dirname(__FILE__));
1	jblyberg	41
111	jblyberg	42	// Take care of requirements
		43	require_once('MDB2.php');
		44	require($this->locum_config['locum_config']['dsn_file']);
		45	$this->dsn = $dsn;
		46	$connector_type = 'locum_'
		47	. $this->locum_config['ils_config']['ils'] . '_'
		48	. $this->locum_config['ils_config']['ils_version'];
		49	require_once('connectors/' . $connector_type . '/' . $connector_type . '.php');
1	jblyberg	50
111	jblyberg	51	// Fire up the Locum connector
		52	$locum_class_name = 'locum_' . $this->locum_config['ils_config']['ils'] . '_' . $this->locum_config['ils_config']['ils_version'];
		53	$this->locum_cntl =& new $locum_class_name;
120	jblyberg	54	if (file_exists($script_dir . '/connectors/' . $connector_type . '/config/' . $connector_type . '.ini')) {
		55	$this->locum_config = array_merge($this->locum_config, parse_ini_file('connectors/' . $connector_type . '/config/' . $connector_type . '.ini', true));
115	jblyberg	56	}
120	jblyberg	57	$this->locum_cntl->locum_config = $this->locum_config;
111	jblyberg	58	}
1	jblyberg	59
		60
111	jblyberg	61	/**
		62	* Instead of using stdout, Locum will handle output via this logging transaction.
		63	*
		64	* @param string $msg Log message
		65	* @param int $severity Loglevel/severity of the message
		66	* @param boolean $silent Output to stdout. Default: yes
		67	*/
		68	public function putlog($msg, $severity = 1, $silent = TRUE) {
112	jblyberg	69
111	jblyberg	70	if ($severity > 5) { $severity = 5; }
		71	$logfile = $this->locum_config['locum_config']['log_file'];
		72	$quiet = $this->locum_config['locum_config']['run_quiet'];
2	jblyberg	73
111	jblyberg	74	for ($i = 0; $i < $severity; $i++) { $indicator .= '*'; }
		75	$indicator = '[' . str_pad($indicator, 5) . ']';
		76	file_put_contents($logfile, $indicator . ' ' . $msg . "\n", FILE_APPEND);
		77	if (!$quiet && !$silent) { print $indicator . ' ' . $msg . "\n"; }
		78	}
2	jblyberg	79
111	jblyberg	80	/**
		81	* Returns a specifically formatted array or string based on locum config values passed. This is primarily used internally,
		82	* for instance, with custom search handlers.
		83	*
		84	* @param string $csv Comma (or otherwise) separated values
		85	* @param string $implode Optional implode character. If not provided, the function will return an array of values
		86	* @param string $separator Optional separator string for the values. Defaults to comma.
		87	* @return string\|array Formatted values
		88	*/
		89	public function csv_parser($csv, $implode = FALSE, $separator = ',') {
112	jblyberg	90
111	jblyberg	91	$csv_array = explode($separator, trim($csv));
		92	$cleaned = array();
		93	foreach ($csv_array as $csv_value) {
		94	$cleaned[] = trim($csv_value);
		95	}
		96	if ($implode) {
		97	$cleaned = implode($implode, $cleaned);
		98	}
		99	return $cleaned;
		100	}
132	jblyberg	101
152	jblyberg	102	public function db_query($query, $query_only = TRUE, $return_type = 'all', $assoc = TRUE) {
		103	$db =& MDB2::connect($this->dsn);
		104	$db_result =& $db->query($query);
		105	if ($query_only) {
		106	return TRUE;
		107	} else {
		108	switch (trim(strtolower($return_type))) {
		109	case 'row':
		110	if ($assoc) {
		111	return $db_result->fetchRow(MDB2_FETCHMODE_ASSOC);
		112	} else {
		113	return $db_result->fetchRow();
		114	}
		115	break;
		116	case 'col':
		117	return $db_result->fetchCol();
		118	break;
		119	case 'all':
		120	default:
		121	if ($assoc) {
		122	return $db_result->fetchAll(MDB2_FETCHMODE_ASSOC);
		123	} else {
		124	return $db_result->fetchAll();
		125	}
		126	break;
		127	}
		128	}
		129	}
		130
132	jblyberg	131	/**
141	jblyberg	132	* Checks $query_value against $ini_value to see a) if its a regex or csv match.
		133	* It will then return TRUE if it is a match or FALSE if not.
		134	*
		135	* @param string $ini_value INI file value
		136	* @param string $query_value Value to be matched against $ini_value
		137	* @return boolean TRUE = match / FALSE = no match
		138	*/
		139	public function match_ini_value($ini_value, $query_value) {
		140	if (preg_match('/^\//', $ini_value)) {
		141	if (preg_match($ini_value, $query_value)) { return TRUE; }
		142	} else {
		143	if (in_array($query_value, locum::csv_parser($match_crit))) { return TRUE; }
		144	}
		145	return FALSE;
		146	}
		147
		148	/**
132	jblyberg	149	* Returns a CRC32 value that is compatible with MySQL (>=4.1) CRC32() function
		150	*
		151	* @param string $str String to be converted
		152	* @return int a CRC32 polynomial of the string
		153	*/
		154	public function string_poly($str) {
134	jblyberg	155	if (crc32($str) < 0) {
		156	return crc32($str) + 4294967296;
		157	} else {
		158	return crc32($str);
		159	}
132	jblyberg	160	}
		161
1	jblyberg	162	}

Subversion Repositories locum

(root)/tags/1.1.0-rc3/locum.php @ 153 - Rev 153