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  1: <?php
  2: /**
  3:  * API shell to get CakePHP core method signatures.
  4:  *
  5:  * Implementation of a Cake Shell to show CakePHP core method signatures.
  6:  *
  7:  * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
  8:  * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
  9:  *
 10:  * Licensed under The MIT License
 11:  * For full copyright and license information, please see the LICENSE.txt
 12:  * Redistributions of files must retain the above copyright notice.
 13:  *
 14:  * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 15:  * @link          http://cakephp.org CakePHP(tm) Project
 16:  * @since         CakePHP(tm) v 1.2.0.5012
 17:  * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 18:  */
 19: 
 20: App::uses('AppShell', 'Console/Command');
 21: App::uses('File', 'Utility');
 22: 
 23: /**
 24:  * API shell to show method signatures of CakePHP core classes.
 25:  *
 26:  * Implementation of a Cake Shell to show CakePHP core method signatures.
 27:  *
 28:  * @package       Cake.Console.Command
 29:  */
 30: class ApiShell extends AppShell {
 31: 
 32: /**
 33:  * Map between short name for paths and real paths.
 34:  *
 35:  * @var array
 36:  */
 37:     public $paths = array();
 38: 
 39: /**
 40:  * Override initialize of the Shell
 41:  *
 42:  * @return void
 43:  */
 44:     public function initialize() {
 45:         $this->paths = array_merge($this->paths, array(
 46:             'behavior' => CAKE . 'Model' . DS . 'Behavior' . DS,
 47:             'cache' => CAKE . 'Cache' . DS,
 48:             'controller' => CAKE . 'Controller' . DS,
 49:             'component' => CAKE . 'Controller' . DS . 'Component' . DS,
 50:             'helper' => CAKE . 'View' . DS . 'Helper' . DS,
 51:             'model' => CAKE . 'Model' . DS,
 52:             'view' => CAKE . 'View' . DS,
 53:             'core' => CAKE
 54:         ));
 55:     }
 56: 
 57: /**
 58:  * Override main() to handle action
 59:  *
 60:  * @return void
 61:  */
 62:     public function main() {
 63:         if (empty($this->args)) {
 64:             return $this->out($this->OptionParser->help());
 65:         }
 66: 
 67:         $type = strtolower($this->args[0]);
 68: 
 69:         if (isset($this->paths[$type])) {
 70:             $path = $this->paths[$type];
 71:         } else {
 72:             $path = $this->paths['core'];
 73:         }
 74: 
 75:         $count = count($this->args);
 76:         if ($count > 1) {
 77:             $file = Inflector::underscore($this->args[1]);
 78:             $class = Inflector::camelize($this->args[1]);
 79:         } elseif ($count) {
 80:             $file = $type;
 81:             $class = Inflector::camelize($type);
 82:         }
 83:         $objects = App::objects('class', $path);
 84:         if (in_array($class, $objects)) {
 85:             if (in_array($type, array('behavior', 'component', 'helper')) && $type !== $file) {
 86:                 if (!preg_match('/' . Inflector::camelize($type) . '$/', $class)) {
 87:                     $class .= Inflector::camelize($type);
 88:                 }
 89:             }
 90: 
 91:         } else {
 92:             $this->error(__d('cake_console', '%s not found', $class));
 93:         }
 94: 
 95:         $parsed = $this->_parseClass($path . $class . '.php', $class);
 96: 
 97:         if (!empty($parsed)) {
 98:             if (isset($this->params['method'])) {
 99:                 if (!isset($parsed[$this->params['method']])) {
100:                     $this->err(__d('cake_console', '%s::%s() could not be found', $class, $this->params['method']));
101:                     return $this->_stop();
102:                 }
103:                 $method = $parsed[$this->params['method']];
104:                 $this->out($class . '::' . $method['method'] . $method['parameters']);
105:                 $this->hr();
106:                 $this->out($method['comment'], true);
107:             } else {
108:                 $this->out(ucwords($class));
109:                 $this->hr();
110:                 $i = 0;
111:                 foreach ($parsed as $method) {
112:                     $list[] = ++$i . ". " . $method['method'] . $method['parameters'];
113:                 }
114:                 $this->out($list);
115: 
116:                 $methods = array_keys($parsed);
117:                 while ($number = strtolower($this->in(__d('cake_console', 'Select a number to see the more information about a specific method. q to quit. l to list.'), null, 'q'))) {
118:                     if ($number === 'q') {
119:                         $this->out(__d('cake_console', 'Done'));
120:                         return $this->_stop();
121:                     }
122: 
123:                     if ($number === 'l') {
124:                         $this->out($list);
125:                     }
126: 
127:                     if (isset($methods[--$number])) {
128:                         $method = $parsed[$methods[$number]];
129:                         $this->hr();
130:                         $this->out($class . '::' . $method['method'] . $method['parameters']);
131:                         $this->hr();
132:                         $this->out($method['comment'], true);
133:                     }
134:                 }
135:             }
136:         }
137:     }
138: 
139: /**
140:  * Gets the option parser instance and configures it.
141:  *
142:  * @return ConsoleOptionParser
143:  */
144:     public function getOptionParser() {
145:         $parser = parent::getOptionParser();
146: 
147:         $parser->description(
148:             __d('cake_console', 'Lookup doc block comments for classes in CakePHP.')
149:         )->addArgument('type', array(
150:             'help' => __d('cake_console', 'Either a full path or type of class (model, behavior, controller, component, view, helper)')
151:         ))->addArgument('className', array(
152:             'help' => __d('cake_console', 'A CakePHP core class name (e.g: Component, HtmlHelper).')
153:         ))->addOption('method', array(
154:             'short' => 'm',
155:             'help' => __d('cake_console', 'The specific method you want help on.')
156:         ));
157: 
158:         return $parser;
159:     }
160: 
161: /**
162:  * Show help for this shell.
163:  *
164:  * @return void
165:  */
166:     public function help() {
167:         $head = "Usage: cake api [<type>] <className> [-m <method>]\n";
168:         $head .= "-----------------------------------------------\n";
169:         $head .= "Parameters:\n\n";
170: 
171:         $commands = array(
172:             'path' => "\t<type>\n" .
173:                 "\t\tEither a full path or type of class (model, behavior, controller, component, view, helper).\n" .
174:                 "\t\tAvailable values:\n\n" .
175:                 "\t\tbehavior\tLook for class in CakePHP behavior path\n" .
176:                 "\t\tcache\tLook for class in CakePHP cache path\n" .
177:                 "\t\tcontroller\tLook for class in CakePHP controller path\n" .
178:                 "\t\tcomponent\tLook for class in CakePHP component path\n" .
179:                 "\t\thelper\tLook for class in CakePHP helper path\n" .
180:                 "\t\tmodel\tLook for class in CakePHP model path\n" .
181:                 "\t\tview\tLook for class in CakePHP view path\n",
182:             'className' => "\t<className>\n" .
183:                 "\t\tA CakePHP core class name (e.g: Component, HtmlHelper).\n"
184:         );
185: 
186:         $this->out($head);
187:         if (!isset($this->args[1])) {
188:             foreach ($commands as $cmd) {
189:                 $this->out("{$cmd}\n\n");
190:             }
191:         } elseif (isset($commands[strtolower($this->args[1])])) {
192:             $this->out($commands[strtolower($this->args[1])] . "\n\n");
193:         } else {
194:             $this->out(__d('cake_console', 'Command %s not found', $this->args[1]));
195:         }
196:     }
197: 
198: /**
199:  * Parse a given class (located on given file) and get public methods and their
200:  * signatures.
201:  *
202:  * @param string $path File path
203:  * @param string $class Class name
204:  * @return array Methods and signatures indexed by method name
205:  */
206:     protected function _parseClass($path, $class) {
207:         $parsed = array();
208: 
209:         if (!class_exists($class)) {
210:             if (!include_once $path) {
211:                 $this->err(__d('cake_console', '%s could not be found', $path));
212:             }
213:         }
214: 
215:         $reflection = new ReflectionClass($class);
216: 
217:         foreach ($reflection->getMethods() as $method) {
218:             if (!$method->isPublic() || strpos($method->getName(), '_') === 0) {
219:                 continue;
220:             }
221:             if ($method->getDeclaringClass()->getName() != $class) {
222:                 continue;
223:             }
224:             $args = array();
225:             foreach ($method->getParameters() as $param) {
226:                 $paramString = '$' . $param->getName();
227:                 if ($param->isDefaultValueAvailable()) {
228:                     $paramString .= ' = ' . str_replace("\n", '', var_export($param->getDefaultValue(), true));
229:                 }
230:                 $args[] = $paramString;
231:             }
232:             $parsed[$method->getName()] = array(
233:                 'comment' => str_replace(array('/*', '*/', '*'), '', $method->getDocComment()),
234:                 'method' => $method->getName(),
235:                 'parameters' => '(' . implode(', ', $args) . ')'
236:             );
237:         }
238:         ksort($parsed);
239:         return $parsed;
240:     }
241: 
242: }
243: 
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