Output::getInputEncoding() - Code Metrics - Inspection of "Merge pull request #152 from thephpleague/bugfix/s..." - thephpleague/csv - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 0a1b53...8f18dd )

by ignace nyamagana

created 2016-02-12 18:27 UTC

Output::getInputEncoding() A

↳ Parent: Output

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	1
CRAP Score	1

Importance

Changes	1
Bugs	1	Features	0

Metric	Value
c	1
b	1
f	0
dl	0
loc	4
ccs	1
cts	1
cp	1
rs	10
cc	1
eloc	2
nc	1
nop	0
crap	1

<?php
/**
* This file is part of the League.csv library
*
* @license http://opensource.org/licenses/MIT
* @link https://github.com/thephpleague/csv/
* @version 8.0.0
* @package League.csv
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\Csv\Config;

use DomDocument;
use InvalidArgumentException;
use Iterator;
use League\Csv\AbstractCsv;
use League\Csv\Modifier\MapIterator;
use SplFileObject;

/**
 *  A trait to output CSV
 *
 * @package League.csv
 * @since  6.3.0
 *
 */
trait Output
{
    /**
     * Charset Encoding for the CSV
     *
     * @var string
     */
    protected $input_encoding = 'UTF-8';

    /**
     * The Input file BOM character
     * @var string
     */
    protected $input_bom;

    /**
     * The Output file BOM character
     * @var string
     */
    protected $output_bom = '';

    /**
     * Sets the CSV encoding charset
     *
     * @param string $str
     *
     * @return static
     */
    public function setInputEncoding($str)
    {
        $str = str_replace('_', '-', $str);
        $str = filter_var($str, FILTER_SANITIZE_STRING, ['flags' => FILTER_FLAG_STRIP_LOW | FILTER_FLAG_STRIP_HIGH]);
        if (empty($str)) {
            throw new InvalidArgumentException('you should use a valid charset');
        }
        $this->input_encoding = strtoupper($str);

        return $this;
    }

    /**
     * Sets the CSV encoding charset
     *
     * DEPRECATION WARNING! This method will be removed in the next major point release
     *
     * @deprecated deprecated since version 4.1
     *
     * @param string $str
     *
     * @return static
     */
    public function setEncodingFrom($str)
    {
        return $this->setInputEncoding($str);
    }

    /**
     * Gets the source CSV encoding charset
     *
     * @return string
     */
    public function getInputEncoding()
    {
        return $this->input_encoding;
    }

    /**
     * Gets the source CSV encoding charset
     *
     * DEPRECATION WARNING! This method will be removed in the next major point release
     *
     * @deprecated deprecated since version 4.1
     *
     * @return string
     */
    public function getEncodingFrom()
    {
        return $this->input_encoding;
    }

    /**
     * Sets the BOM sequence to prepend the CSV on output
     *
     * @param string $str The BOM sequence
     *
     * @return static
     */
    public function setOutputBOM($str)
    {
        if (empty($str)) {
            $this->output_bom = '';

            return $this;
        }

        $this->output_bom = (string) $str;

        return $this;
    }

    /**
     * Returns the BOM sequence in use on Output methods
     *
     * @return string
     */
    public function getOutputBOM()
    {
        return $this->output_bom;
    }

    /**
     * Returns the BOM sequence of the given CSV
     *
     * @return string
     */
    public function getInputBOM()
    {
        if (null === $this->input_bom) {
            $bom = [
                AbstractCsv::BOM_UTF32_BE, AbstractCsv::BOM_UTF32_LE,
                AbstractCsv::BOM_UTF16_BE, AbstractCsv::BOM_UTF16_LE, AbstractCsv::BOM_UTF8,
            ];
            $csv = $this->getIterator();
            $csv->setFlags(SplFileObject::READ_CSV);
            $csv->rewind();
            $line = $csv->fgets();
            $res  = array_filter($bom, function ($sequence) use ($line) {
                return strpos($line, $sequence) === 0;
            });

            $this->input_bom = (string) array_shift($res);
        }

        return $this->input_bom;
    }

    /**
     * @inheritdoc
     */
    abstract public function getIterator();

    /**
     * Outputs all data on the CSV file
     *
     * @param string $filename CSV downloaded name if present adds extra headers
     *
     * @return int Returns the number of characters read from the handle
     *             and passed through to the output.
     */
    public function output($filename = null)
    {
        if (null !== $filename) {
            $filename = filter_var($filename, FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_LOW);
            header('Content-Type: application/octet-stream');
            header('Content-Transfer-Encoding: binary');
            header("Content-Disposition: attachment; filename=\"$filename\"");
        }

        return $this->fpassthru();
    }

    /**
     * Outputs all data from the CSV
     *
     * @return int Returns the number of characters read from the handle
     *             and passed through to the output.
     */
    protected function fpassthru()
    {
        $bom = '';
        $input_bom = $this->getInputBOM();
        if ($this->output_bom && $input_bom != $this->output_bom) {
            $bom = $this->output_bom;
        }
        $csv = $this->getIterator();
        $csv->setFlags(SplFileObject::READ_CSV);
        $csv->rewind();
        if (!empty($bom)) {
            $csv->fseek(mb_strlen($input_bom));
        }
        echo $bom;
        $res = $csv->fpassthru();

        return $res + strlen($bom);
    }

    /**
     * Retrieves the CSV content
     *
     * @return string
     */
    public function __toString()
    {
        ob_start();
        $this->fpassthru();

        return ob_get_clean();
    }

    /**
     * @inheritdoc
     */
    public function jsonSerialize()
    {
        return iterator_to_array($this->convertToUtf8($this->getQueryIterator()), false);
    }

    /**
     * Returns the CSV Iterator
     *
     * @return Iterator
     */
    abstract protected function getQueryIterator();

    /**
     * Convert Csv file into UTF-8
     *
     * @param Iterator $iterator
     *
     * @return Iterator
     */
    protected function convertToUtf8(Iterator $iterator)
    {
        if (stripos($this->input_encoding, 'UTF-8') !== false) {
            return $iterator;
        }

        $convertCell = function ($value) {
            return mb_convert_encoding($value, 'UTF-8', $this->input_encoding);
        };

        $convertRow = function (array $row) use ($convertCell) {
            return array_map($convertCell, $row);
        };

        return new MapIterator($iterator, $convertRow);
    }

    /**
     * Returns a HTML table representation of the CSV Table
     *
     * @param string $class_attr optional classname
     *
     * @return string
     */
    public function toHTML($class_attr = 'table-csv-data')
    {
        $doc = $this->toXML('table', 'tr', 'td');
        $doc->documentElement->setAttribute('class', $class_attr);

        return $doc->saveHTML($doc->documentElement);
    }

    /**
     * Transforms a CSV into a XML
     *
     * @param string $root_name XML root node name
     * @param string $row_name  XML row node name
     * @param string $cell_name XML cell node name
     *
     * @return DomDocument
     */
    public function toXML($root_name = 'csv', $row_name = 'row', $cell_name = 'cell')
    {
        $doc = new DomDocument('1.0', 'UTF-8');
        $root = $doc->createElement($root_name);
        foreach ($this->convertToUtf8($this->getQueryIterator()) as $row) {
            $rowElement = $doc->createElement($row_name);
            array_walk($row, function ($value) use (&$rowElement, $doc, $cell_name) {
                $content = $doc->createTextNode($value);
                $cell = $doc->createElement($cell_name);
                $cell->appendChild($content);
                $rowElement->appendChild($cell);
            });
            $root->appendChild($rowElement);
        }
        $doc->appendChild($root);

        return $doc;
    }
}


1		<?php
2		/**
3		* This file is part of the League.csv library
4		*
5		* @license http://opensource.org/licenses/MIT
6		* @link https://github.com/thephpleague/csv/
7		* @version 8.0.0
8		* @package League.csv
9		*
10		* For the full copyright and license information, please view the LICENSE
11		* file that was distributed with this source code.
12		*/
13		namespace League\Csv\Config;
14
15		use DomDocument;
16		use InvalidArgumentException;
17		use Iterator;
18		use League\Csv\AbstractCsv;
19		use League\Csv\Modifier\MapIterator;
20		use SplFileObject;
21
22		/**
23		* A trait to output CSV
24		*
25		* @package League.csv
26		* @since 6.3.0
27		*
28		*/
29		trait Output
30		{
31		/**
32		* Charset Encoding for the CSV
33		*
34		* @var string
35		*/
36		protected $input_encoding = 'UTF-8';
37
38		/**
39		* The Input file BOM character
40		* @var string
41		*/
42		protected $input_bom;
43
44		/**
45		* The Output file BOM character
46		* @var string
47		*/
48		protected $output_bom = '';
49
50		/**
51		* Sets the CSV encoding charset
52		*
53		* @param string $str
54		*
55		* @return static
56		*/
57	6	public function setInputEncoding($str)
58		{
59	6	$str = str_replace('_', '-', $str);
60	6	$str = filter_var($str, FILTER_SANITIZE_STRING, ['flags' => FILTER_FLAG_STRIP_LOW \| FILTER_FLAG_STRIP_HIGH]);
61	6	if (empty($str)) {
62	3	throw new InvalidArgumentException('you should use a valid charset');
63		}
64	6	$this->input_encoding = strtoupper($str);
65
66	6	return $this;
67		}
68
69		/**
70		* Sets the CSV encoding charset
71		*
72		* DEPRECATION WARNING! This method will be removed in the next major point release
73		*
74	3	* @deprecated deprecated since version 4.1
75		*
76	3	* @param string $str
77		*
78		* @return static
79		*/
80		public function setEncodingFrom($str)
81		{
82		return $this->setInputEncoding($str);
83		}
84
85		/**
86	9	* Gets the source CSV encoding charset
87		*
88	9	* @return string
89	3	*/
90		public function getInputEncoding()
91	3	{
92		return $this->input_encoding;
93		}
94	9
95		/**
96	9	* Gets the source CSV encoding charset
97		*
98		* DEPRECATION WARNING! This method will be removed in the next major point release
99		*
100		* @deprecated deprecated since version 4.1
101		*
102		* @return string
103		*/
104	3	public function getEncodingFrom()
105		{
106	3	return $this->input_encoding;
107		}
108
109		/**
110		* Sets the BOM sequence to prepend the CSV on output
111		*
112		* @param string $str The BOM sequence
113		*
114	51	* @return static
115		*/
116	51	public function setOutputBOM($str)
117		{
118	51	if (empty($str)) {
119	34	$this->output_bom = '';
120	34
121	51	return $this;
122	51	}
123	51
124	51	$this->output_bom = (string) $str;
125
126	51	return $this;
127	51	}
128
129	51	/**
130	34	* Returns the BOM sequence in use on Output methods
131		*
132	51	* @return string
133		*/
134		public function getOutputBOM()
135		{
136		return $this->output_bom;
137		}
138
139		/**
140		* Returns the BOM sequence of the given CSV
141		*
142		* @return string
143		*/
144		public function getInputBOM()
145		{
146		if (null === $this->input_bom) {
147		$bom = [
148	6	AbstractCsv::BOM_UTF32_BE, AbstractCsv::BOM_UTF32_LE,
149		AbstractCsv::BOM_UTF16_BE, AbstractCsv::BOM_UTF16_LE, AbstractCsv::BOM_UTF8,
150	6	];
151	6	$csv = $this->getIterator();
152	6	$csv->setFlags(SplFileObject::READ_CSV);
153	6	$csv->rewind();
154	6	$line = $csv->fgets();
155	4	$res = array_filter($bom, function ($sequence) use ($line) {
156		return strpos($line, $sequence) === 0;
157	6	});
158
159		$this->input_bom = (string) array_shift($res);
160		}
161
162		return $this->input_bom;
163		}
164
165		/**
166	18	* @inheritdoc
167		*/
168	18	abstract public function getIterator();
169	18
170	18	/**
171	6	* Outputs all data on the CSV file
172	4	*
173	18	* @param string $filename CSV downloaded name if present adds extra headers
174	18	*
175	18	* @return int Returns the number of characters read from the handle
176	18	* and passed through to the output.
177	6	*/
178	4	public function output($filename = null)
179	18	{
180	18	if (null !== $filename) {
181		$filename = filter_var($filename, FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_LOW);
182	18	header('Content-Type: application/octet-stream');
183		header('Content-Transfer-Encoding: binary');
184		header("Content-Disposition: attachment; filename=\"$filename\"");
185		}
186
187		return $this->fpassthru();
188		}
189
190	12	/**
191		* Outputs all data from the CSV
192	12	*
193	12	* @return int Returns the number of characters read from the handle
194		* and passed through to the output.
195	12	*/
196		protected function fpassthru()
197		{
198		$bom = '';
199		$input_bom = $this->getInputBOM();
200		if ($this->output_bom && $input_bom != $this->output_bom) {
201		$bom = $this->output_bom;
202		}
203	6	$csv = $this->getIterator();
204		$csv->setFlags(SplFileObject::READ_CSV);
205	6	$csv->rewind();
206		if (!empty($bom)) {
207		$csv->fseek(mb_strlen($input_bom));
208		}
209		echo $bom;
210		$res = $csv->fpassthru();
211
212		return $res + strlen($bom);
213		}
214
215		/**
216		* Retrieves the CSV content
217		*
218		* @return string
219		*/
220		public function __toString()
221		{
222	21	ob_start();
223		$this->fpassthru();
224	21
225	18	return ob_get_clean();
226		}
227
228		/**
229	3	* @inheritdoc
230	3	*/
231		public function jsonSerialize()
232		{
233	3	return iterator_to_array($this->convertToUtf8($this->getQueryIterator()), false);
234	3	}
235
236	3	/**
237		* Returns the CSV Iterator
238		*
239		* @return Iterator
240		*/
241		abstract protected function getQueryIterator();
242
243		/**
244		* Convert Csv file into UTF-8
245		*
246	6	* @param Iterator $iterator
247		*
248	6	* @return Iterator
249	6	*/
250		protected function convertToUtf8(Iterator $iterator)
251	6	{
252		if (stripos($this->input_encoding, 'UTF-8') !== false) {
253		return $iterator;
254		}
255
256		$convertCell = function ($value) {
257		return mb_convert_encoding($value, 'UTF-8', $this->input_encoding);
258		};
259
260		$convertRow = function (array $row) use ($convertCell) {
261		return array_map($convertCell, $row);
262		};
263	15
264		return new MapIterator($iterator, $convertRow);
265	15	}
266	15
267	15	/**
268	15	* Returns a HTML table representation of the CSV Table
269	15	*
270	15	* @param string $class_attr optional classname
271	15	*
272	15	* @return string
273	15	*/
274	15	public function toHTML($class_attr = 'table-csv-data')
275	15	{
276	15	$doc = $this->toXML('table', 'tr', 'td');
277	10	$doc->documentElement->setAttribute('class', $class_attr);
278	15
279		return $doc->saveHTML($doc->documentElement);
280	15	}
281
282		/**
283		* Transforms a CSV into a XML
284		*
285		* @param string $root_name XML root node name
286		* @param string $row_name XML row node name
287		* @param string $cell_name XML cell node name
288		*
289		* @return DomDocument
290		*/
291		public function toXML($root_name = 'csv', $row_name = 'row', $cell_name = 'cell')
292		{
293		$doc = new DomDocument('1.0', 'UTF-8');
294		$root = $doc->createElement($root_name);
295		foreach ($this->convertToUtf8($this->getQueryIterator()) as $row) {
296		$rowElement = $doc->createElement($row_name);
297		array_walk($row, function ($value) use (&$rowElement, $doc, $cell_name) {
298		$content = $doc->createTextNode($value);
299		$cell = $doc->createElement($cell_name);
300		$cell->appendChild($content);
301		$rowElement->appendChild($cell);
302		});
303		$root->appendChild($rowElement);
304		}
305		$doc->appendChild($root);
306
307		return $doc;
308		}
309		}
310

thephpleague / csv

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