zetacomponents /ConsoleTools/src/statusbar.php

Language PHP Lines 278
MD5 Hash d42d9c0ca646b1d1acf98826cf970825
Repository https://github.com/Yannix/zetacomponents.git View Raw File View Project SPDX
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
<?php
/**
 * File containing the ezcConsoleStatusbar class.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 * @package ConsoleTools
 * @version //autogentag//
 * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
 * @filesource
 */

/**
 * Creating  and maintaining status-bars to be printed to the console. 
 *
 * <code>
 * // Construction
 * $status = new ezcConsoleStatusbar( new ezcConsoleOutput() );
 *
 * // Set option
 * $status->options['successChar'] = '*';
 *
 * // Run statusbar
 * foreach ( $files as $file )
 * {
 *      $res = $file->upload();
 *      // Add status if form of bool true/false to statusbar.
 *      $status->add( $res ); // $res is true or false
 * }
 *
 * // Retreive and display final statusbar results
 * $msg = $status->getSuccess() . ' succeeded, ' . $status->getFailure() . ' failed.';
 * $out->outputText( "Finished uploading files: $msg\n" );
 * </code>
 *  
 * @property ezcConsoleStatusbarOptions $options
 *           Contains the options for this class.
 * 
 * @package ConsoleTools
 * @version //autogen//
 * @mainclass
 */
class ezcConsoleStatusbar
{
    /**
     * Container to hold the properties
     *
     * @var array(string=>mixed)
     */
    protected $properties;

    /**
     * The ezcConsoleOutput object to use.
     *
     * @var ezcConsoleOutput
     */
    protected $outputHandler;

    /**
     * Counter for success and failure outputs. 
     * 
     * @var array(bool=>int)
     */
    protected $counter = array( 
        true  => 0,
        false => 0,
    );

    /**
     * Creates a new status bar.
     *
     * @param ezcConsoleOutput $outHandler Handler to utilize for output
     * @param array(string=>string) $options       Options
     *
     * @see ezcConsoleStatusbar::$options
     */
    public function __construct( ezcConsoleOutput $outHandler, array $options = array() )
    {
        $this->outputHandler = $outHandler;
        $this->properties['options'] = new ezcConsoleStatusbarOptions( $options );
    }

    /**
     * Property read access.
     * 
     * @param string $key Name of the property.
     * @return mixed Value of the property or null.
     *
     * @throws ezcBasePropertyNotFoundException
     *         If the the desired property is not found.
     * @ignore
     */
    public function __get( $key )
    {
        switch ( $key )
        {
            case 'options':
                return $this->properties['options'];
                break;
        }
        if ( isset( $this->properties['options']->$key ) )
        {
            return $this->properties['options']->$key;
        }
        throw new ezcBasePropertyNotFoundException( $key );
    }

    /**
     * Set new options.
     * This method allows you to change the options of a statusbar.
     *  
     * @param array(string=>string)|ezcConsoleOutputOptions $options The options to set.
     *
     * @throws ezcBaseSettingNotFoundException
     *         If you tried to set a non-existent option value.
     * @throws ezcBaseSettingValueException
     *         If the value is not valid for the desired option.
     * @throws ezcBaseValueException
     *         If you submit neither an array nor an instance of 
     *         ezcConsoleOutputOptions.
     */
    public function setOptions( $options ) 
    {
        if ( is_array( $options ) ) 
        {
            $this->properties['options']->merge( $options );
        } 
        else if ( $options instanceof ezcConsoleStatusbarOptions ) 
        {
            $this->properties['options'] = $options;
        }
        else
        {
            throw new ezcBaseValueException( "options", $options, "instance of ezcConsoleStatusbarOptions" );
        }
    }

    /**
     * Property write access.
     * 
     * @param string $key Name of the property.
     * @param mixed $val  The value for the property.
     *
     * @throws ezcBasePropertyNotFoundException
     *         If a desired property could not be found.
     * @throws ezcBaseValueException
     *         If a desired property value is out of range.
     * @ignore
     */
    public function __set( $key, $val )
    {
        switch ( $key )
        {
            // Those two are here for BC reasons only, it is proper to
            // use $statusbar->options->successChar instead of just
            // $statusbar->successChar.
            case 'successChar':
            case 'failureChar':
                // No checks necessary here, already performed in
                // ezcConsoleStatusbarOptions
                break;
            case "options":
                if ( ( $val instanceof ezcConsoleStatusbarOptions ) === false )
                {
                    throw new ezcBaseValueException( $key, $val, 'ezcConsoleStatusbarOptions' );
                }
                $this->properties[$key] = $val;
                return;
            default:
                throw new ezcBasePropertyNotFoundException( $key );
        }
        $this->properties['options'][$key] = $val;
    }
 
    /**
     * Property isset access.
     * 
     * @param string $key Name of the property.
     * @return bool True is the property is set, otherwise false.
     * @ignore
     */
    public function __isset( $key )
    {
        return isset( $this->properties['options'][$key] ) || isset( $this->properties[$key] );
    }
    
    /**
     * Returns the current options.
     * Returns the options currently set for this progressbar.
     * 
     * @return ezcConsoleStatusbarOptions The current options.
     */
    public function getOptions()
    {
        return $this->properties['options'];
    }

    /**
     * Add a status to the status bar.
     * Adds a new status to the bar which is printed immediately. If the
     * cursor is currently not at the beginning of a line, it will move to
     * the next line.
     *
     * @param bool $status Print successChar on true, failureChar on false.
     * @return void
     */
    public function add( $status )
    {
        if ( is_bool( $status ) === false )
        {
            trigger_error( 'Unknown status '.var_export( $status, true ).'.', E_USER_WARNING );
            $status = (bool) $status;
        }
        switch ( $status )
        {
            case true:
                $this->outputHandler->outputText( $this->properties['options']['successChar'], 'success' );
                break;

            case false:
                $this->outputHandler->outputText( $this->properties['options']['failureChar'], 'failure' );
                break;
        }
        $this->counter[$status]++;
    }

    /**
     * Reset the state of the status-bar object to its initial one. 
     * 
     * @return void
     */
    public function reset()
    {
        foreach ( $this->counter as $status => $count )
        {
            $this->counter[$status] = 0;
        }
    }

    /**
     * Returns number of successes during the run.
     * Returns the number of success characters printed from this status bar.
     * 
     * @return int Number of successes.
     */
    public function getSuccessCount()
    {
        return $this->counter[true];
    }

    /**
     * Returns number of failures during the run.
     * Returns the number of failure characters printed from this status bar.
     * 
     * @return int Number of failures.
     */
    public function getFailureCount()
    {
        return $this->counter[false];
    }
}
?>
Back to Top