Writer::getBuffer() - Code Metrics - Inspection of "Add code quality check and shields" - collecthor/spss - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( dd1269...21c3dd )

by Sam

created 2019-11-19 12:52 UTC

Writer::getBuffer() A

↳ Parent: Writer

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	1
eloc	1
c	1
b	0
f	0
nc	1
nop	0
dl	0
loc	3
ccs	2
cts	2
cp	1
crap	1
rs	10

<?php

namespace SPSS\Sav;

use SPSS\Buffer;
use SPSS\Exception;
use SPSS\Utils;

class Writer
{
    /**
     * @var Record\Header
     */
    public $header;

    /**
     * @var Record\Variable[]
     */
    public $variables = [];

    /**
     * @var Record\ValueLabel[]
     */
    public $valueLabels = [];

    /**
     * @var Record\Document
     */
    public $document;

    /**
     * @var Record\Info[]
     */
    public $info = [];

    /**
     * @var Record\Data
     */
    public $data;

    /**
     * @var Buffer
     */
    protected $buffer;

    /**
     * Writer constructor.
     *
     * @param array $data
     * @throws \Exception
     */
    public function __construct($data = [])
    {
        $this->buffer = Buffer::factory();
        $this->buffer->context = $this;

        if (! empty($data)) {
            $this->write($data);
        }
    }

    /**
     * @param array $data
     * @throws \Exception
     */
    public function write($data)
    {
        $this->header = new Record\Header($data['header']);
        $this->header->nominalCaseSize = 0;
        $this->header->casesCount = 0;

        $this->info[Record\Info\MachineInteger::SUBTYPE] = $this->prepareInfoRecord(
            Record\Info\MachineInteger::class,
            $data
        );

        $this->info[Record\Info\MachineFloatingPoint::SUBTYPE] = $this->prepareInfoRecord(
            Record\Info\MachineFloatingPoint::class,
            $data
        );

        $this->info[Record\Info\VariableDisplayParam::SUBTYPE] = new Record\Info\VariableDisplayParam();
        $this->info[Record\Info\LongVariableNames::SUBTYPE] = new Record\Info\LongVariableNames();
        $this->info[Record\Info\VeryLongString::SUBTYPE] = new Record\Info\VeryLongString();
        $this->info[Record\Info\ExtendedNumberOfCases::SUBTYPE] = $this->prepareInfoRecord(
            Record\Info\ExtendedNumberOfCases::class,
            $data
        );
        $this->info[Record\Info\VariableAttributes::SUBTYPE] = new Record\Info\VariableAttributes();
        $this->info[Record\Info\LongStringValueLabels::SUBTYPE] = new Record\Info\LongStringValueLabels();
        $this->info[Record\Info\LongStringMissingValues::SUBTYPE] = new Record\Info\LongStringMissingValues();
        $this->info[Record\Info\CharacterEncoding::SUBTYPE] = new Record\Info\CharacterEncoding('UTF-8');

        $this->data = new Record\Data();

        $nominalIdx = 0;

        /**
         * @var bool[string] The variable names used in this SPSS file
         */
        $variableNames = [];
        /** @var Variable $var */
        foreach (array_values($data['variables']) as $idx => $var) {

            if (is_array($var)) {
                $var = new Variable($var);
            }

            #if (! preg_match('/^[A-Za-z0-9_]+$/', $var->name)) {
            # UTF-8 and '.' characters could pass here
            if (! preg_match('/^[A-Za-z0-9_\.\x{4e00}-\x{9fa5}]+$/u', $var->name)) {
                throw new \InvalidArgumentException(
                    sprintf('Variable name `%s` contains an illegal character.', $var->name)
                );
            }

            if (empty($var->width)) {
                throw new \InvalidArgumentException(
                    sprintf('Invalid field width. Should be an integer number greater than zero.')
                );
            }

            $variable = new Record\Variable();

            /**
             * @see \SPSS\Sav\Record\Variable::getSegmentName()
             *
             * Variable names in the SPSS file should be unique. If they are not, SPSS will rename them.
             * If SPSS renames them and it happens to be a long string then the segments will no longer share
             * the required prefix in the name.
             */
            $name = strtoupper(substr($var->name, 0, 8));

            $counter = 0;
            /**
             * Using base convert we can encode 36^3 = 46656 variables with a common 5 character prefix in an 8
             * character variable name. This should suffice since the current variable limit of SPSS is 32767
             * variables.
             */
            while (isset($variableNames[$name])) {
                $name = strtoupper(substr($var->name, 0, 5) . base_convert($counter, 10, 36));
                $counter++;
            }

            $variableNames[$name] = true;
            $variable->name = $name;

            if ($var->format == Variable::FORMAT_TYPE_A) {
                $variable->width = $var->width;
            } else {
                $variable->width = 0;
            }

            $variable->label = $var->label;
            $variable->print = [
                0,
                $var->format,
                $var->width ? min($var->width, 255) : 8,
                $var->decimals,
            ];
            $variable->write = [
                0,
                $var->format,
                $var->width ? min($var->width, 255) : 8,
                $var->decimals,
            ];

            // TODO: refactory
            $shortName = $variable->name;
            $longName = $var->name;

            if ($var->attributes) {
                $this->info[Record\Info\VariableAttributes::SUBTYPE][$longName] = $var->attributes;
            }

            if ($var->missing) {
                if ($var->width <= 8) {
                    if (count($var->missing) >= 3) {
                        $variable->missingValuesFormat = 3;
                    } elseif (count($var->missing) == 2) {
                        $variable->missingValuesFormat = -2;
                    } else {
                        $variable->missingValuesFormat = 1;
                    }
                    $variable->missingValues = $var->missing;
                } else {
                    $this->info[Record\Info\LongStringMissingValues::SUBTYPE][$shortName] = $var->missing;
                }
            }

            $this->variables[$idx] = $variable;

            if ($var->values) {
                if ($variable->width > 8) {
                    $this->info[Record\Info\LongStringValueLabels::SUBTYPE][$longName] = [
                        'width' => $var->width,
                        'values' => $var->values,
                    ];
                } else {
                    $valueLabel = new Record\ValueLabel([
                        'variables' => $this->variables,
                    ]);
                    foreach ($var->values as $key => $value) {
                        $valueLabel->labels[] = [
                            'value' => $key,
                            'label' => $value,
                        ];
                        $valueLabel->indexes = [$nominalIdx + 1];
                    }
                    $this->valueLabels[] = $valueLabel;
                }
            }

            $this->info[Record\Info\LongVariableNames::SUBTYPE][$shortName] = $var->name;

            if (Record\Variable::isVeryLong($var->width)) {
                $this->info[Record\Info\VeryLongString::SUBTYPE][$shortName] = $var->width;
            }

            $segmentCount = Utils::widthToSegments($var->width);
            for ($i = 0; $i < $segmentCount; $i++) {
                $this->info[Record\Info\VariableDisplayParam::SUBTYPE][] = [
                    $var->getMeasure(),
                    $var->getColumns(),
                    $var->getAlignment(),
                ];
            }

            // TODO: refactory
            $dataCount = count($var->data);
            if ($dataCount > $this->header->casesCount) {
                $this->header->casesCount = $dataCount;
            }

            foreach ($var->data as $case => $value) {
                $this->data->matrix[$case][$idx] = $value;
            }

            $nominalIdx += Utils::widthToOcts($var->width);
        }

        $this->header->nominalCaseSize = $nominalIdx;

        // write header
        $this->header->write($this->buffer);

        // write variables
        foreach ($this->variables as $variable) {
            $variable->write($this->buffer);
        }

        // write valueLabels
        foreach ($this->valueLabels as $valueLabel) {
            $valueLabel->write($this->buffer);
        }

        // write documents
        if (! empty($data['documents'])) {
            $this->document = new Record\Document([
                    'lines' => $data['documents'],
                ]
            );
            $this->document->write($this->buffer);
        }

        foreach ($this->info as $info) {
            $info->write($this->buffer);
        }

        $this->data->write($this->buffer);
    }

    /**
     * @param $file
     * @return false|int
     */
    public function save($file)
    {
        return $this->buffer->saveToFile($file);
    }

    /**
     * @return \SPSS\Buffer
     */
    public function getBuffer()
    {
        return $this->buffer;
    }

    /**
     * @param string $className
     * @param array $data
     * @param string $group
     * @return array
     * @throws Exception
     */
    private function prepareInfoRecord($className, $data, $group = 'info')
    {
        if (! class_exists($className)) {
            throw new Exception('Unknown class');
        }
        $key = lcfirst(substr($className, strrpos($className, '\\') + 1));

        return new $className(

            isset($data[$group]) && isset($data[$group][$key]) ?
                $data[$group][$key] :
                []
        );
    }
}


1		<?php
2
3		namespace SPSS\Sav;
4
5		use SPSS\Buffer;
6		use SPSS\Exception;
7		use SPSS\Utils;
8
9		class Writer
10		{
11		/**
12		* @var Record\Header
13		*/
14		public $header;
15
16		/**
17		* @var Record\Variable[]
18		*/
19		public $variables = [];
20
21		/**
22		* @var Record\ValueLabel[]
23		*/
24		public $valueLabels = [];
25
26		/**
27		* @var Record\Document
28		*/
29		public $document;
30
31		/**
32		* @var Record\Info[]
33		*/
34		public $info = [];
35
36		/**
37		* @var Record\Data
38		*/
39		public $data;
40
41		/**
42		* @var Buffer
43		*/
44		protected $buffer;
45
46		/**
47		* Writer constructor.
48		*
49		* @param array $data
50		* @throws \Exception
51		*/
52	5	public function __construct($data = [])
53		{
54	5	$this->buffer = Buffer::factory();
55	5	$this->buffer->context = $this;
56
57	5	if (! empty($data)) {
58	5	$this->write($data);
59		}
60	5	}
61
62		/**
63		* @param array $data
64		* @throws \Exception
65		*/
66	5	public function write($data)
67		{
68	5	$this->header = new Record\Header($data['header']);
69	5	$this->header->nominalCaseSize = 0;
70	5	$this->header->casesCount = 0;
71
72	5	$this->info[Record\Info\MachineInteger::SUBTYPE] = $this->prepareInfoRecord(
73	5	Record\Info\MachineInteger::class,
74		$data
75		);
76
77	5	$this->info[Record\Info\MachineFloatingPoint::SUBTYPE] = $this->prepareInfoRecord(
78	5	Record\Info\MachineFloatingPoint::class,
79		$data
80		);
81
82	5	$this->info[Record\Info\VariableDisplayParam::SUBTYPE] = new Record\Info\VariableDisplayParam();
83	5	$this->info[Record\Info\LongVariableNames::SUBTYPE] = new Record\Info\LongVariableNames();
84	5	$this->info[Record\Info\VeryLongString::SUBTYPE] = new Record\Info\VeryLongString();
85	5	$this->info[Record\Info\ExtendedNumberOfCases::SUBTYPE] = $this->prepareInfoRecord(
86	5	Record\Info\ExtendedNumberOfCases::class,
87		$data
88		);
89	5	$this->info[Record\Info\VariableAttributes::SUBTYPE] = new Record\Info\VariableAttributes();
90	5	$this->info[Record\Info\LongStringValueLabels::SUBTYPE] = new Record\Info\LongStringValueLabels();
91	5	$this->info[Record\Info\LongStringMissingValues::SUBTYPE] = new Record\Info\LongStringMissingValues();
92	5	$this->info[Record\Info\CharacterEncoding::SUBTYPE] = new Record\Info\CharacterEncoding('UTF-8');
93
94	5	$this->data = new Record\Data();
95
96	5	$nominalIdx = 0;
97
98		/**
99		* @var bool[string] The variable names used in this SPSS file
100		*/
101	5	$variableNames = [];
102		/** @var Variable $var */
103	5	foreach (array_values($data['variables']) as $idx => $var) {
104
105	5	if (is_array($var)) {
106	5	$var = new Variable($var);
107		}
108
109		#if (! preg_match('/^[A-Za-z0-9_]+$/', $var->name)) {
110		# UTF-8 and '.' characters could pass here
111	5	if (! preg_match('/^[A-Za-z0-9_\.\x{4e00}-\x{9fa5}]+$/u', $var->name)) {
112		throw new \InvalidArgumentException(
113		sprintf('Variable name `%s` contains an illegal character.', $var->name)
114		);
115		}
116
117	5	if (empty($var->width)) {
118		throw new \InvalidArgumentException(
119		sprintf('Invalid field width. Should be an integer number greater than zero.')
120		);
121		}
122
123	5	$variable = new Record\Variable();
124
125		/**
126		* @see \SPSS\Sav\Record\Variable::getSegmentName()
127		*
128		* Variable names in the SPSS file should be unique. If they are not, SPSS will rename them.
129		* If SPSS renames them and it happens to be a long string then the segments will no longer share
130		* the required prefix in the name.
131		*/
132	5	$name = strtoupper(substr($var->name, 0, 8));
133
134	5	$counter = 0;
135		/**
136		* Using base convert we can encode 36^3 = 46656 variables with a common 5 character prefix in an 8
137		* character variable name. This should suffice since the current variable limit of SPSS is 32767
138		* variables.
139		*/
140	5	while (isset($variableNames[$name])) {
141		$name = strtoupper(substr($var->name, 0, 5) . base_convert($counter, 10, 36));
142		$counter++;
143		}
144
145	5	$variableNames[$name] = true;
146	5	$variable->name = $name;
147
148	5	if ($var->format == Variable::FORMAT_TYPE_A) {
149	4	$variable->width = $var->width;
150		} else {
151	4	$variable->width = 0;
152		}
153
154	5	$variable->label = $var->label;
155	5	$variable->print = [
156	5	0,
157	5	$var->format,
158	5	$var->width ? min($var->width, 255) : 8,
159	5	$var->decimals,
160		];
161	5	$variable->write = [
162	5	0,
163	5	$var->format,
164	5	$var->width ? min($var->width, 255) : 8,
165	5	$var->decimals,
166		];
167
168		// TODO: refactory
169	5	$shortName = $variable->name;
170	5	$longName = $var->name;
171
172	5	if ($var->attributes) {
173	2	$this->info[Record\Info\VariableAttributes::SUBTYPE][$longName] = $var->attributes;
174		}
175
176	5	if ($var->missing) {
177		if ($var->width <= 8) {
178		if (count($var->missing) >= 3) {
179		$variable->missingValuesFormat = 3;
180		} elseif (count($var->missing) == 2) {
181		$variable->missingValuesFormat = -2;
182		} else {
183		$variable->missingValuesFormat = 1;
184		}
185		$variable->missingValues = $var->missing;
186		} else {
187		$this->info[Record\Info\LongStringMissingValues::SUBTYPE][$shortName] = $var->missing;
188		}
189		}
190
191	5	$this->variables[$idx] = $variable;
192
193	5	if ($var->values) {
194	2	if ($variable->width > 8) {
195		$this->info[Record\Info\LongStringValueLabels::SUBTYPE][$longName] = [
196		'width' => $var->width,
197		'values' => $var->values,
198		];
199		} else {
200	2	$valueLabel = new Record\ValueLabel([
201	2	'variables' => $this->variables,
202		]);
203	2	foreach ($var->values as $key => $value) {
204	2	$valueLabel->labels[] = [
205	2	'value' => $key,
206	2	'label' => $value,
207		];
208	2	$valueLabel->indexes = [$nominalIdx + 1];
209		}
210	2	$this->valueLabels[] = $valueLabel;
211		}
212		}
213
214	5	$this->info[Record\Info\LongVariableNames::SUBTYPE][$shortName] = $var->name;
215
216	5	if (Record\Variable::isVeryLong($var->width)) {
217	1	$this->info[Record\Info\VeryLongString::SUBTYPE][$shortName] = $var->width;
218		}
219
220	5	$segmentCount = Utils::widthToSegments($var->width);
221	5	for ($i = 0; $i < $segmentCount; $i++) {
222	5	$this->info[Record\Info\VariableDisplayParam::SUBTYPE][] = [
223	5	$var->getMeasure(),
224	5	$var->getColumns(),
225	5	$var->getAlignment(),
226		];
227		}
228
229		// TODO: refactory
230	5	$dataCount = count($var->data);
231	5	if ($dataCount > $this->header->casesCount) {
232	4	$this->header->casesCount = $dataCount;
233		}
234
235	5	foreach ($var->data as $case => $value) {
236	4	$this->data->matrix[$case][$idx] = $value;
237		}
238
239	5	$nominalIdx += Utils::widthToOcts($var->width);
240		}
241
242	5	$this->header->nominalCaseSize = $nominalIdx;
243
244		// write header
245	5	$this->header->write($this->buffer);
246
247		// write variables
248	5	foreach ($this->variables as $variable) {
249	5	$variable->write($this->buffer);
250		}
251
252		// write valueLabels
253	5	foreach ($this->valueLabels as $valueLabel) {
254	2	$valueLabel->write($this->buffer);
255		}
256
257		// write documents
258	5	if (! empty($data['documents'])) {
259	1	$this->document = new Record\Document([
260	1	'lines' => $data['documents'],
261		]
262		);
263	1	$this->document->write($this->buffer);
264		}
265
266	5	foreach ($this->info as $info) {
267	5	$info->write($this->buffer);
268		}
269
270	5	$this->data->write($this->buffer);
271	5	}
272
273		/**
274		* @param $file
275		* @return false\|int
276		*/
277		public function save($file)
278		{
279		return $this->buffer->saveToFile($file);
280		}
281
282		/**
283		* @return \SPSS\Buffer
284		*/
285	5	public function getBuffer()
286		{
287	5	return $this->buffer;
288		}
289
290		/**
291		* @param string $className
292		* @param array $data
293		* @param string $group
294		* @return array
295		* @throws Exception
296		*/
297	5	private function prepareInfoRecord($className, $data, $group = 'info')
298		{
299	5	if (! class_exists($className)) {
300		throw new Exception('Unknown class');
301		}
302	5	$key = lcfirst(substr($className, strrpos($className, '\\') + 1));
303
304	5	return new $className(
		0 ignored issues – show Bug Best Practice introduced 2019-11-19 12:54 UTC by Report Bug Copy Issue Report The expression `return new $className(Is...group][$key] : array())` returns the type `object` which is incompatible with the documented return type `array`. Loading history...
305	5	isset($data[$group]) && isset($data[$group][$key]) ?
306		$data[$group][$key] :
307	5	[]
308		);
309		}
310		}
311

collecthor / spss

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Writer::getBuffer() A

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