Subversion Repositories Applications.gtt

Rev

Rev 61 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
10 jpm 1 
<?php
2 
/* vim: set expandtab tabstop=4 shiftwidth=4: */
3 
//
4 
// +----------------------------------------------------------------------+
5 
// | PHP Version 4                                                        |
6 
// +----------------------------------------------------------------------+
7 
// | Copyright (c) 1997-2002 The PHP Group                                |
8 
// +----------------------------------------------------------------------+
9 
// | This source file is subject to version 2.02 of the PHP license,      |
10 
// | that is bundled with this package in the file LICENSE, and is        |
11 
// | available at through the world-wide-web at                           |
12 
// | http://www.php.net/license/3_0.txt.                                  |
13 
// | If you did not receive a copy of the PHP license and are unable to   |
14 
// | obtain it through the world-wide-web, please send a note to          |
15 
// | license@php.net so we can mail you a copy immediately.               |
16 
// +----------------------------------------------------------------------+
17 
// | Authors: Harry Fuecks <hfuecks@phppatterns.com>                      |
18 
// +----------------------------------------------------------------------+
19 
//
20 
// $Id: Validator.php,v 1.1 2004/05/24 22:25:42 quipo Exp $
21 
//
22 
/**
23 
 * @package Calendar
24 
 * @version $Id: Validator.php,v 1.1 2004/05/24 22:25:42 quipo Exp $
25 
 */
26 
 
27 
/**
28 
 * Validation Error Messages
29 
 */
30 
if (!defined('CALENDAR_VALUE_TOOSMALL')) {
31 
    define('CALENDAR_VALUE_TOOSMALL', 'Too small: min = ');
32 
}
33 
if (!defined('CALENDAR_VALUE_TOOLARGE')) {
34 
    define('CALENDAR_VALUE_TOOLARGE', 'Too large: max = ');
35 
}
36 
 
37 
/**
38 
 * Used to validate any given Calendar date object. Instances of this class
39 
 * can be obtained from any data object using the getValidator method
40 
 * @see Calendar::getValidator()
41 
 * @package Calendar
42 
 * @access public
43 
 */
44 
class Calendar_Validator
45 
{
46 
    /**
47 
     * Instance of the Calendar date object to validate
48 
     * @var object
49 
     * @access private
50 
     */
51 
    var $calendar;
52 
 
53 
    /**
54 
     * Instance of the Calendar_Engine
55 
     * @var object
56 
     * @access private
57 
     */
58 
    var $cE;
59 
 
60 
    /**
61 
     * Array of errors for validation failures
62 
     * @var array
63 
     * @access private
64 
     */
65 
    var $errors = array();
66 
 
67 
    /**
68 
     * Constructs Calendar_Validator
69 
     * @param object subclass of Calendar
70 
     * @access public
71 
     */
72 
    function Calendar_Validator(& $calendar)
73 
    {
74 
        $this->calendar = & $calendar;
75 
        $this->cE = & $calendar->getEngine();
76 
    }
77 
 
78 
    /**
79 
     * Calls all the other isValidXXX() methods in the validator
80 
     * @return boolean
81 
     * @access public
82 
     */
83 
    function isValid()
84 
    {
85 
        $checks = array('isValidYear', 'isValidMonth', 'isValidDay',
86 
            'isValidHour', 'isValidMinute', 'isValidSecond');
87 
        $valid = true;
88 
        foreach ($checks as $check) {
89 
            if (!$this->{$check}()) {
90 
                $valid = false;
91 
            }
92 
        }
93 
        return $valid;
94 
    }
95 
 
96 
    /**
97 
     * Check whether this is a valid year
98 
     * @return boolean
99 
     * @access public
100 
     */
101 
    function isValidYear()
102 
    {
103 
        $y = $this->calendar->thisYear();
104 
        $min = $this->cE->getMinYears();
105 
        if ($min > $y) {
106 
           $this->errors[] = new Calendar_Validation_Error(
107 
                'Year', $y, CALENDAR_VALUE_TOOSMALL.$min);
108 
            return false;
109 
        }
110 
        $max = $this->cE->getMaxYears();
111 
        if ($y > $max) {
112 
            $this->errors[] = new Calendar_Validation_Error(
113 
                'Year', $y, CALENDAR_VALUE_TOOLARGE.$max);
114 
            return false;
115 
        }
116 
        return true;
117 
    }
118 
 
119 
    /**
120 
     * Check whether this is a valid month
121 
     * @return boolean
122 
     * @access public
123 
     */
124 
    function isValidMonth()
125 
    {
126 
        $m = $this->calendar->thisMonth();
127 
        $min = 1;
128 
        if ($min > $m) {
129 
            $this->errors[] = new Calendar_Validation_Error(
130 
                'Month', $m, CALENDAR_VALUE_TOOSMALL.$min);
131 
            return false;
132 
        }
133 
        $max = $this->cE->getMonthsInYear($this->calendar->thisYear());
134 
        if ($m > $max) {
135 
            $this->errors[] = new Calendar_Validation_Error(
136 
                'Month', $m, CALENDAR_VALUE_TOOLARGE.$max);
137 
            return false;
138 
        }
139 
        return true;
140 
    }
141 
 
142 
    /**
143 
     * Check whether this is a valid day
144 
     * @return boolean
145 
     * @access public
146 
     */
147 
    function isValidDay()
148 
    {
149 
        $d = $this->calendar->thisDay();
150 
        $min = 1;
151 
        if ($min > $d) {
152 
            $this->errors[] = new Calendar_Validation_Error(
153 
                'Day', $d, CALENDAR_VALUE_TOOSMALL.$min);
154 
            return false;
155 
        }
156 
        $max = $this->cE->getDaysInMonth(
157 
            $this->calendar->thisYear(), $this->calendar->thisMonth());
158 
        if ($d > $max) {
159 
            $this->errors[] = new Calendar_Validation_Error(
160 
                'Day', $d, CALENDAR_VALUE_TOOLARGE.$max);
161 
            return false;
162 
        }
163 
        return true;
164 
    }
165 
 
166 
    /**
167 
     * Check whether this is a valid hour
168 
     * @return boolean
169 
     * @access public
170 
     */
171 
    function isValidHour()
172 
    {
173 
        $h = $this->calendar->thisHour();
174 
        $min = 0;
175 
        if ($min > $h) {
176 
            $this->errors[] = new Calendar_Validation_Error(
177 
                'Hour', $h, CALENDAR_VALUE_TOOSMALL.$min);
178 
            return false;
179 
        }
180 
        $max = ($this->cE->getHoursInDay($this->calendar->thisDay())-1);
181 
        if ($h > $max) {
182 
            $this->errors[] = new Calendar_Validation_Error(
183 
                'Hour', $h, CALENDAR_VALUE_TOOLARGE.$max);
184 
            return false;
185 
        }
186 
        return true;
187 
    }
188 
 
189 
    /**
190 
     * Check whether this is a valid minute
191 
     * @return boolean
192 
     * @access public
193 
     */
194 
    function isValidMinute()
195 
    {
196 
        $i = $this->calendar->thisMinute();
197 
        $min = 0;
198 
        if ($min > $i) {
199 
            $this->errors[] = new Calendar_Validation_Error(
200 
                'Minute', $i, CALENDAR_VALUE_TOOSMALL.$min);
201 
            return false;
202 
        }
203 
        $max = ($this->cE->getMinutesInHour($this->calendar->thisHour())-1);
204 
        if ($i > $max) {
205 
            $this->errors[] = new Calendar_Validation_Error(
206 
                'Minute', $i, CALENDAR_VALUE_TOOLARGE.$max);
207 
            return false;
208 
        }
209 
        return true;
210 
    }
211 
 
212 
    /**
213 
     * Check whether this is a valid second
214 
     * @return boolean
215 
     * @access public
216 
     */
217 
    function isValidSecond()
218 
    {
219 
        $s = $this->calendar->thisSecond();
220 
        $min = 0;
221 
        if ($min > $s) {
222 
            $this->errors[] = new Calendar_Validation_Error(
223 
                'Second', $s, CALENDAR_VALUE_TOOSMALL.$min);
224 
            return false;
225 
        }
226 
        $max = ($this->cE->getSecondsInMinute($this->calendar->thisMinute())-1);
227 
        if ($s > $max) {
228 
            $this->errors[] = new Calendar_Validation_Error(
229 
                'Second', $s, CALENDAR_VALUE_TOOLARGE.$max);
230 
            return false;
231 
        }
232 
        return true;
233 
    }
234 
 
235 
    /**
236 
     * Iterates over any validation errors
237 
     * @return mixed either Calendar_Validation_Error or false
238 
     * @access public
239 
     */
240 
    function fetch()
241 
    {
242 
        $error = each ($this->errors);
243 
        if ($error) {
244 
            return $error['value'];
245 
        } else {
246 
            reset($this->errors);
247 
            return false;
248 
        }
249 
    }
250 
}
251 
 
252 
/**
253 
 * For Validation Error messages
254 
 * @see Calendar::fetch()
255 
 * @package Calendar
256 
 * @access public
257 
 */
258 
class Calendar_Validation_Error
259 
{
260 
    /**
261 
     * Date unit (e.g. month,hour,second) which failed test
262 
     * @var string
263 
     * @access private
264 
     */
265 
    var $unit;
266 
 
267 
    /**
268 
     * Value of unit which failed test
269 
     * @var int
270 
     * @access private
271 
     */
272 
    var $value;
273 
 
274 
    /**
275 
     * Validation error message
276 
     * @var string
277 
     * @access private
278 
     */
279 
    var $message;
280 
 
281 
    /**
282 
     * Constructs Calendar_Validation_Error
283 
     * @param string Date unit (e.g. month,hour,second)
284 
     * @param int Value of unit which failed test
285 
     * @param string Validation error message
286 
     * @access protected
287 
     */
288 
    function Calendar_Validation_Error($unit,$value,$message)
289 
    {
290 
        $this->unit    = $unit;
291 
        $this->value   = $value;
292 
        $this->message = $message;
293 
    }
294 
 
295 
    /**
296 
     * Returns the Date unit
297 
     * @return string
298 
     * @access public
299 
     */
300 
    function getUnit()
301 
    {
302 
        return $this->unit;
303 
    }
304 
 
305 
    /**
306 
     * Returns the value of the unit
307 
     * @return int
308 
     * @access public
309 
     */
310 
    function getValue()
311 
    {
312 
        return $this->value;
313 
    }
314 
 
315 
    /**
316 
     * Returns the validation error message
317 
     * @return string
318 
     * @access public
319 
     */
320 
    function getMessage()
321 
    {
322 
        return $this->message;
323 
    }
324 
 
325 
    /**
326 
     * Returns a string containing the unit, value and error message
327 
     * @return string
328 
     * @access public
329 
     */
330 
    function toString ()
331 
    {
332 
        return $this->unit.' = '.$this->value.' ['.$this->message.']';
333 
    }
334 
}
335 
?>