Twig_Node_Expression_Call::compileArguments() - Code Metrics - EVE-KILL/zKillboard - Measure and Improve Code Quality continuously with Scrutinizer

Twig_Node_Expression_Call::compileArguments() C
last analyzed 2016-02-10 18:51 UTC

↳ Parent: Twig_Node_Expression_Call

Complexity

Conditions	16
Paths	108

Size

Total Lines	53
Code Lines	31

Duplication

Lines	0
Ratio	0 %

Metric	Value
dl	0
loc	53
rs	6.0348
cc	16
eloc	31
nc	108
nop	1

How to fix Long Method Complexity

<?php

/*
 * This file is part of Twig.
 *
 * (c) 2012 Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
abstract class Twig_Node_Expression_Call extends Twig_Node_Expression
{
    protected function compileCallable(Twig_Compiler $compiler)
    {
        $closingParenthesis = false;
        if ($this->hasAttribute('callable') && $callable = $this->getAttribute('callable')) {
            if (is_string($callable)) {
                $compiler->raw($callable);
            } elseif (is_array($callable) && $callable[0] instanceof Twig_ExtensionInterface) {
                $compiler->raw(sprintf('$this->env->getExtension(\'%s\')->%s', $callable[0]->getName(), $callable[1]));
            } else {
                $type = ucfirst($this->getAttribute('type'));
                $compiler->raw(sprintf('call_user_func_array($this->env->get%s(\'%s\')->getCallable(), array', $type, $this->getAttribute('name')));
                $closingParenthesis = true;
            }
        } else {
            $compiler->raw($this->getAttribute('thing')->compile());
        }

        $this->compileArguments($compiler);

        if ($closingParenthesis) {
            $compiler->raw(')');
        }
    }

    protected function compileArguments(Twig_Compiler $compiler)
    {
        $compiler->raw('(');

        $first = true;

        if ($this->hasAttribute('needs_environment') && $this->getAttribute('needs_environment')) {
            $compiler->raw('$this->env');
            $first = false;
        }

        if ($this->hasAttribute('needs_context') && $this->getAttribute('needs_context')) {
            if (!$first) {
                $compiler->raw(', ');
            }
            $compiler->raw('$context');
            $first = false;
        }

        if ($this->hasAttribute('arguments')) {
            foreach ($this->getAttribute('arguments') as $argument) {
                if (!$first) {
                    $compiler->raw(', ');
                }
                $compiler->string($argument);
                $first = false;
            }
        }

        if ($this->hasNode('node')) {
            if (!$first) {
                $compiler->raw(', ');
            }
            $compiler->subcompile($this->getNode('node'));
            $first = false;
        }

        if ($this->hasNode('arguments') && null !== $this->getNode('arguments')) {
            $callable = $this->hasAttribute('callable') ? $this->getAttribute('callable') : null;

            $arguments = $this->getArguments($callable, $this->getNode('arguments'));

            foreach ($arguments as $node) {
                if (!$first) {
                    $compiler->raw(', ');
                }
                $compiler->subcompile($node);
                $first = false;
            }
        }

        $compiler->raw(')');
    }

    protected function getArguments($callable, $arguments)
    {
        $callType = $this->getAttribute('type');
        $callName = $this->getAttribute('name');

        $parameters = array();
        $named = false;
        foreach ($arguments as $name => $node) {
            if (!is_int($name)) {
                $named = true;
                $name = $this->normalizeName($name);
            } elseif ($named) {
                throw new Twig_Error_Syntax(sprintf('Positional arguments cannot be used after named arguments for %s "%s".', $callType, $callName));
            }

            $parameters[$name] = $node;
        }

        if (!$named) {
            return $parameters;
        }

        if (!$callable) {
            throw new LogicException(sprintf('Named arguments are not supported for %s "%s".', $callType, $callName));
        }

        // manage named arguments
        if (is_array($callable)) {
            $r = new ReflectionMethod($callable[0], $callable[1]);
        } elseif (is_object($callable) && !$callable instanceof Closure) {
            $r = new ReflectionObject($callable);
            $r = $r->getMethod('__invoke');
        } else {
            $r = new ReflectionFunction($callable);
        }

        $definition = $r->getParameters();
        if ($this->hasNode('node')) {
            array_shift($definition);
        }
        if ($this->hasAttribute('needs_environment') && $this->getAttribute('needs_environment')) {
            array_shift($definition);
        }
        if ($this->hasAttribute('needs_context') && $this->getAttribute('needs_context')) {
            array_shift($definition);
        }
        if ($this->hasAttribute('arguments') && null !== $this->getAttribute('arguments')) {
            foreach ($this->getAttribute('arguments') as $argument) {
                array_shift($definition);
            }
        }

        $arguments = array();
        $names = array();
        $missingArguments = array();
        $optionalArguments = array();
        $pos = 0;
        foreach ($definition as $param) {
            $names[] = $name = $this->normalizeName($param->name);

            if (array_key_exists($name, $parameters)) {
                if (array_key_exists($pos, $parameters)) {
                    throw new Twig_Error_Syntax(sprintf('Argument "%s" is defined twice for %s "%s".', $name, $callType, $callName));
                }

                if (!empty($missingArguments)) {
                    throw new Twig_Error_Syntax(sprintf(
                        'Argument "%s" could not be assigned for %s "%s(%s)" because it is mapped to an internal PHP function which cannot determine default value for optional argument%s "%s".',
                        $name, $callType, $callName, implode(', ', $names), count($missingArguments) > 1 ? 's' : '', implode('", "', $missingArguments))
                    );
                }

                $arguments = array_merge($arguments, $optionalArguments);
                $arguments[] = $parameters[$name];
                unset($parameters[$name]);
                $optionalArguments = array();
            } elseif (array_key_exists($pos, $parameters)) {
                $arguments = array_merge($arguments, $optionalArguments);
                $arguments[] = $parameters[$pos];
                unset($parameters[$pos]);
                $optionalArguments = array();
                ++$pos;
            } elseif ($param->isDefaultValueAvailable()) {
                $optionalArguments[] = new Twig_Node_Expression_Constant($param->getDefaultValue(), -1);
            } elseif ($param->isOptional()) {
                if (empty($parameters)) {
                    break;
                } else {
                    $missingArguments[] = $name;
                }
            } else {
                throw new Twig_Error_Syntax(sprintf('Value for argument "%s" is required for %s "%s".', $name, $callType, $callName));
            }
        }

        if (!empty($parameters)) {
            $unknownParameter = null;
            foreach ($parameters as $parameter) {
                if ($parameter instanceof Twig_Node) {
                    $unknownParameter = $parameter;
                    break;
                }
            }

            throw new Twig_Error_Syntax(sprintf(
                'Unknown argument%s "%s" for %s "%s(%s)".',
                count($parameters) > 1 ? 's' : '', implode('", "', array_keys($parameters)), $callType, $callName, implode(', ', $names)
            ), $unknownParameter ? $unknownParameter->getLine() : -1);
        }

        return $arguments;
    }

    protected function normalizeName($name)
    {
        return strtolower(preg_replace(array('/([A-Z]+)([A-Z][a-z])/', '/([a-z\d])([A-Z])/'), array('\\1_\\2', '\\1_\\2'), $name));
    }
}


1			<?php
2
3			/*
4			* This file is part of Twig.
5			*
6			* (c) 2012 Fabien Potencier
7			*
8			* For the full copyright and license information, please view the LICENSE
9			* file that was distributed with this source code.
10			*/
11			abstract class Twig_Node_Expression_Call extends Twig_Node_Expression
12			{
13			protected function compileCallable(Twig_Compiler $compiler)
14			{
15			$closingParenthesis = false;
16			if ($this->hasAttribute('callable') && $callable = $this->getAttribute('callable')) {
17			if (is_string($callable)) {
18			$compiler->raw($callable);
19			} elseif (is_array($callable) && $callable[0] instanceof Twig_ExtensionInterface) {
20			$compiler->raw(sprintf('$this->env->getExtension(\'%s\')->%s', $callable[0]->getName(), $callable[1]));
21			} else {
22			$type = ucfirst($this->getAttribute('type'));
23			$compiler->raw(sprintf('call_user_func_array($this->env->get%s(\'%s\')->getCallable(), array', $type, $this->getAttribute('name')));
24			$closingParenthesis = true;
25			}
26			} else {
27			$compiler->raw($this->getAttribute('thing')->compile());
28			}
29
30			$this->compileArguments($compiler);
31
32			if ($closingParenthesis) {
33			$compiler->raw(')');
34			}
35			}
36
37			protected function compileArguments(Twig_Compiler $compiler)
38			{
39			$compiler->raw('(');
40
41			$first = true;
42
43			if ($this->hasAttribute('needs_environment') && $this->getAttribute('needs_environment')) {
44			$compiler->raw('$this->env');
45			$first = false;
46			}
47
48			if ($this->hasAttribute('needs_context') && $this->getAttribute('needs_context')) {
49			if (!$first) {
50			$compiler->raw(', ');
51			}
52			$compiler->raw('$context');
53			$first = false;
54			}
55
56			if ($this->hasAttribute('arguments')) {
57			foreach ($this->getAttribute('arguments') as $argument) {
58			if (!$first) {
59			$compiler->raw(', ');
60			}
61			$compiler->string($argument);
62			$first = false;
63			}
64			}
65
66			if ($this->hasNode('node')) {
67			if (!$first) {
68			$compiler->raw(', ');
69			}
70			$compiler->subcompile($this->getNode('node'));
71			$first = false;
72			}
73
74			if ($this->hasNode('arguments') && null !== $this->getNode('arguments')) {
75			$callable = $this->hasAttribute('callable') ? $this->getAttribute('callable') : null;
76
77			$arguments = $this->getArguments($callable, $this->getNode('arguments'));
78
79			foreach ($arguments as $node) {
80			if (!$first) {
81			$compiler->raw(', ');
82			}
83			$compiler->subcompile($node);
84			$first = false;
85			}
86			}
87
88			$compiler->raw(')');
89			}
90
91			protected function getArguments($callable, $arguments)
92			{
93			$callType = $this->getAttribute('type');
94			$callName = $this->getAttribute('name');
95
96			$parameters = array();
97			$named = false;
98			foreach ($arguments as $name => $node) {
99			if (!is_int($name)) {
100			$named = true;
101			$name = $this->normalizeName($name);
102			} elseif ($named) {
103			throw new Twig_Error_Syntax(sprintf('Positional arguments cannot be used after named arguments for %s "%s".', $callType, $callName));
104			}
105
106			$parameters[$name] = $node;
107			}
108
109			if (!$named) {
110			return $parameters;
111			}
112
113			if (!$callable) {
114			throw new LogicException(sprintf('Named arguments are not supported for %s "%s".', $callType, $callName));
115			}
116
117			// manage named arguments
118			if (is_array($callable)) {
119			$r = new ReflectionMethod($callable[0], $callable[1]);
120			} elseif (is_object($callable) && !$callable instanceof Closure) {
121			$r = new ReflectionObject($callable);
122			$r = $r->getMethod('__invoke');
123			} else {
124			$r = new ReflectionFunction($callable);
125			}
126
127			$definition = $r->getParameters();
128			if ($this->hasNode('node')) {
129			array_shift($definition);
130			}
131			if ($this->hasAttribute('needs_environment') && $this->getAttribute('needs_environment')) {
132			array_shift($definition);
133			}
134			if ($this->hasAttribute('needs_context') && $this->getAttribute('needs_context')) {
135			array_shift($definition);
136			}
137			if ($this->hasAttribute('arguments') && null !== $this->getAttribute('arguments')) {
138			foreach ($this->getAttribute('arguments') as $argument) {
139			array_shift($definition);
140			}
141			}
142
143			$arguments = array();
144			$names = array();
145			$missingArguments = array();
146			$optionalArguments = array();
147			$pos = 0;
148			foreach ($definition as $param) {
149			$names[] = $name = $this->normalizeName($param->name);
150
151			if (array_key_exists($name, $parameters)) {
152			if (array_key_exists($pos, $parameters)) {
153			throw new Twig_Error_Syntax(sprintf('Argument "%s" is defined twice for %s "%s".', $name, $callType, $callName));
154			}
155
156			if (!empty($missingArguments)) {
157			throw new Twig_Error_Syntax(sprintf(
158			'Argument "%s" could not be assigned for %s "%s(%s)" because it is mapped to an internal PHP function which cannot determine default value for optional argument%s "%s".',
159			$name, $callType, $callName, implode(', ', $names), count($missingArguments) > 1 ? 's' : '', implode('", "', $missingArguments))
160			);
161			}
162
163			$arguments = array_merge($arguments, $optionalArguments);
164			$arguments[] = $parameters[$name];
165			unset($parameters[$name]);
166			$optionalArguments = array();
167			} elseif (array_key_exists($pos, $parameters)) {
168			$arguments = array_merge($arguments, $optionalArguments);
169			$arguments[] = $parameters[$pos];
170			unset($parameters[$pos]);
171			$optionalArguments = array();
172			++$pos;
173			} elseif ($param->isDefaultValueAvailable()) {
174			$optionalArguments[] = new Twig_Node_Expression_Constant($param->getDefaultValue(), -1);
175			} elseif ($param->isOptional()) {
176			if (empty($parameters)) {
177			break;
178			} else {
179			$missingArguments[] = $name;
180			}
181			} else {
182			throw new Twig_Error_Syntax(sprintf('Value for argument "%s" is required for %s "%s".', $name, $callType, $callName));
183			}
184			}
185
186			if (!empty($parameters)) {
187			$unknownParameter = null;
188			foreach ($parameters as $parameter) {
189			if ($parameter instanceof Twig_Node) {
190			$unknownParameter = $parameter;
191			break;
192			}
193			}
194
195			throw new Twig_Error_Syntax(sprintf(
196			'Unknown argument%s "%s" for %s "%s(%s)".',
197			count($parameters) > 1 ? 's' : '', implode('", "', array_keys($parameters)), $callType, $callName, implode(', ', $names)
198			), $unknownParameter ? $unknownParameter->getLine() : -1);
199			}
200
201			return $arguments;
202			}
203
204			protected function normalizeName($name)
205			{
206			return strtolower(preg_replace(array('/([A-Z]+)([A-Z][a-z])/', '/([a-z\d])([A-Z])/'), array('\\1_\\2', '\\1_\\2'), $name));
207			}
208			}
209

EVE-KILL / zKillboard

Twig_Node_Expression_Call::compileArguments() C last analyzed 2016-02-10 18:51 UTC

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Twig_Node_Expression_Call::compileArguments() C
last analyzed 2016-02-10 18:51 UTC