AbstractJsonEncoder::addError() - Code Metrics - Inspection of "Address minor quality issues" - violet-php/streaming-json-encoder - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 58159e...d66afb )

by Riikka

created 2017-06-28 16:35 UTC

AbstractJsonEncoder::addError() A

↳ Parent: AbstractJsonEncoder

Complexity

Conditions	2
Paths	2

Size

Total Lines	14
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	14
ccs	8
cts	8
cp	1
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	8
nc	2
nop	1
crap	2

<?php

namespace Violet\StreamingJsonEncoder;

/**
 * Abstract encoder for encoding JSON iteratively.
 *
 * @author Riikka Kalliomäki <[email protected]>
 * @copyright Copyright (c) 2016, Riikka Kalliomäki
 * @license http://opensource.org/licenses/mit-license.php MIT License
 */
abstract class AbstractJsonEncoder implements \Iterator
{
    /** @var \Iterator[] Current value stack in encoding */
    private $stack;

    /** @var bool[] True for every object in the stack, false for an array */
    private $stackType;

    /** @var array Stack of values being encoded */
    private $valueStack;

    /** @var bool Whether the next value is the first value in an array or an object */
    private $first;

    /** @var int The JSON encoding options */
    private $options;

    /** @var bool Whether next token should be preceded by new line or not */
    private $newLine;

    /** @var string Indent to use for indenting JSON output */
    private $indent;

    /** @var string[] Errors that occurred in encoding */
    private $errors;

    /** @var int Number of the current line in output */
    private $line;

    /** @var int Number of the current column in output */
    private $column;

    /** @var mixed The initial value to encode as JSON */
    private $initialValue;

    /** @var int|null The current step of the encoder */
    private $step;

    /**
     * AbstractJsonEncoder constructor.
     * @param mixed $value The value to encode as JSON
     */
    public function __construct($value)
    {
        $this->initialValue = $value;
        $this->options = 0;
        $this->errors = [];
        $this->indent = '    ';
    }

    /**
     * Sets the JSON encoding options.
     * @param int $options The JSON encoding options that are used by json_encode
     * @return $this Returns self for call chaining
     * @throws \RuntimeException If changing encoding options during encoding operation
     */
    public function setOptions($options)
    {
        if ($this->step !== null) {
            throw new \RuntimeException('Cannot change encoding options during encoding');
        }

        $this->options = (int) $options;
        return $this;
    }

    /**
     * Sets the indent for the JSON output.
     * @param string|int $indent A string to use as indent or the number of spaces
     * @return $this Returns self for call chaining
     * @throws \RuntimeException If changing indent during encoding operation
     */
    public function setIndent($indent)
    {
        if ($this->step !== null) {
            throw new \RuntimeException('Cannot change indent during encoding');
        }

        $this->indent = is_int($indent) ? str_repeat(' ', $indent) : (string) $indent;
        return $this;
    }

    /**
     * Returns the list of errors that occurred during the last encoding process.
     * @return string[] List of errors that occurred during encoding
     */
    public function getErrors()
    {
        return $this->errors;
    }

    /**
     * Returns the current encoding value stack.
     * @return array The current encoding value stack
     */
    protected function getValueStack()
    {
        return $this->valueStack;
    }

    /**
     * Initializes the iterator if it has not been initialized yet.
     */
    private function initialize()
    {
        if (!isset($this->stack)) {
            $this->rewind();
        }
    }

    /**
     * Returns the current number of step in the encoder.
     * @return int|null The current step number as integer or null if the current state is not valid
     */
    public function key()
    {
        $this->initialize();

        return $this->step;
    }

    /**
     * Tells if the encoder has a valid current state.
     * @return bool True if the iterator has a valid state, false if not
     */
    public function valid()
    {
        $this->initialize();

        return $this->step !== null;
    }

    /**
     * Returns the current value or state from the encoder.
     * @return mixed The current value or state from the encoder
     */
    abstract public function current();

    /**
     * Returns the JSON encoding to the beginning.
     */
    public function rewind()
    {
        if ($this->step === 0) {
            return;
        }

        $this->stack = [];
        $this->stackType = [];
        $this->valueStack = [];
        $this->errors = [];
        $this->newLine = false;
        $this->first = true;
        $this->line = 1;
        $this->column = 1;
        $this->step = 0;

        $this->processValue($this->initialValue);
    }

    /**
     * Iterates the next token or tokens to the output stream.
     */
    public function next()
    {
        $this->initialize();

        if (!empty($this->stack)) {
            $this->step++;
            $iterator = end($this->stack);

            if ($iterator->valid()) {
                $this->processStack($iterator, end($this->stackType));
<?php

function getDate($date)
{
    if ($date !== null) {
        return new DateTime($date);
    }

    return false;
}
                $iterator->next();
            } else {
                $this->popStack();
            }
        } else {
            $this->step = null;
        }
    }

    /**
     * Handles the next value from the iterator to be encoded as JSON.
     * @param \Iterator $iterator The iterator used to generate the next value
     * @param bool $isObject True if the iterator is being handled as an object, false if not
     */
    private function processStack(\Iterator $iterator, $isObject)
    {
        if ($isObject) {
            if (!$this->processKey($iterator->key())) {
                return;
            }
        } elseif (!$this->first) {
            $this->outputLine(',', JsonToken::T_COMMA);
        }

        $this->first = false;
        $this->processValue($iterator->current());
    }

    /**
     * Handles the given value key into JSON.
     * @param mixed $key The key to process
     * @return bool True if the key is valid, false if not
     */
    private function processKey($key)
    {
        if (!is_int($key) && !is_string($key)) {
            $this->addError('Only string or integer keys are supported');
            return false;
        }

        if (!$this->first) {
            $this->outputLine(',', JsonToken::T_COMMA);
        }

        $this->outputJson((string) $key, JsonToken::T_NAME);
        $this->output(':', JsonToken::T_COLON);

        if ($this->options & JSON_PRETTY_PRINT) {
            $this->output(' ', JsonToken::T_WHITESPACE);
        }

        return true;
    }

    /**
     * Handles the given JSON value appropriately depending on it's type.
     * @param mixed $value The value that should be encoded as JSON
     */
    private function processValue($value)
    {
        $this->valueStack[] = $value;
        $value = $this->resolveValue($value);

        if (is_array($value) || is_object($value)) {
            $this->pushStack($value);
        } else {
            $this->outputJson($value, JsonToken::T_VALUE);
            array_pop($this->valueStack);
        }
    }

    /**
     * Resolves the actual value of any given value that is about to be processed.
     * @param mixed $value The value to resolve
     * @return mixed The resolved value
     */
    protected function resolveValue($value)
    {
        do {
            if ($value instanceof \JsonSerializable) {
                $value = $value->jsonSerialize();
            } elseif ($value instanceof \Closure) {
                $value = $value();
            } else {
                break;
            }
        } while (true);

        return $value;
    }

    /**
     * Adds an JSON encoding error to the list of errors.
     * @param string $message The error message to add
     * @throws EncodingException If the encoding should not continue due to the error
     */
    private function addError($message)
    {
        $errorMessage = sprintf('Line %d, column %d: %s', $this->line, $this->column, $message);
        $this->errors[] = $errorMessage;

        if ($this->options & JSON_PARTIAL_OUTPUT_ON_ERROR) {
            return;
        }

        $this->stack = [];
        $this->step = null;

        throw new EncodingException($errorMessage);
    }

    /**
     * Pushes the given iterable to the value stack.
     * @param object|array $iterable The iterable value to push to the stack
     */
    private function pushStack($iterable)
    {
        $iterator = $this->getIterator($iterable);
        $isObject = $this->isObject($iterable, $iterator);

        if ($isObject) {
            $this->outputLine('{', JsonToken::T_LEFT_BRACE);
        } else {
            $this->outputLine('[', JsonToken::T_LEFT_BRACKET);
        }

        $this->first = true;
        $this->stack[] = $iterator;
        $this->stackType[] = $isObject;
    }

    /**
     * Creates a generator from the given iterable using a foreach loop.
     * @param object|array $iterable The iterable value to iterate
     * @return \Generator The generator using the given iterable
     */
    private function getIterator($iterable)
    {
        foreach ($iterable as $key => $value) {
            yield $key => $value;
        }
    }

    /**
     * Tells if the given iterable should be handled as a JSON object or not.
     * @param object|array $iterable The iterable value to test
     * @param \Iterator $iterator An Iterator created from the iterable value
     * @return bool True if the given iterable should be treated as object, false if not
     */
    private function isObject($iterable, \Iterator $iterator)
    {
        if ($this->options & JSON_FORCE_OBJECT) {
            return true;
        }

        if ($iterable instanceof \Traversable) {
            return $iterator->valid() && $iterator->key() !== 0;
        }

        return is_object($iterable) || $this->isAssociative($iterable);
    }

    /**
     * Tells if the given array is an associative array.
     * @param array $array The array to test
     * @return bool True if the array is associative, false if not
     */
    private function isAssociative(array $array)
    {
        if ($array === []) {
            return false;
        }

        $expected = 0;

        foreach ($array as $key => $_) {
            if ($key !== $expected++) {
                return true;
            }
        }

        return false;
    }

    /**
     * Removes the top element of the value stack.
     */
    private function popStack()
    {
        if (!$this->first) {
            $this->newLine = true;
        }

        $this->first = false;
        array_pop($this->stack);

        if (array_pop($this->stackType)) {
            $this->output('}', JsonToken::T_RIGHT_BRACE);
        } else {
            $this->output(']', JsonToken::T_RIGHT_BRACKET);
        }

        array_pop($this->valueStack);
    }

    /**
     * Encodes the given value as JSON and passes it to output stream.
     * @param mixed $value The value to output as JSON
     * @param int $token The token type of the value
     */
    private function outputJson($value, $token)
    {
        $encoded = json_encode($value, $this->options);
        $error = json_last_error();

        if ($error !== JSON_ERROR_NONE) {
            $this->addError(sprintf('%s (%s)', json_last_error_msg(), $this->getJsonErrorName($error)));
        }

        $this->output($encoded, $token);
    }

    /**
     * Returns the name of the JSON error constant.
     * @param int $error The error code to find
     * @return string The name for the error code

     */
    private function getJsonErrorName($error)
    {
        $matches = array_keys(get_defined_constants(), $error, true);
        $prefix = 'JSON_ERROR_';
        $prefixLength = strlen($prefix);

        foreach ($matches as $match) {
            if (strncmp($match, $prefix, $prefixLength) === 0) {
                return $match;
            }
        }
    }

    /**
     * Passes the given token to the output stream and ensures the next token is preceded by a newline.
     * @param string $string The token to write to the output stream
     * @param int $token The type of the token
     */
    private function outputLine($string, $token)
    {
        $this->output($string, $token);
        $this->newLine = true;
    }

    /**
     * Passes the given token to the output stream.
     * @param string $string The token to write to the output stream
     * @param int $token The type of the token
     */
    private function output($string, $token)
    {
        if ($this->newLine && $this->options & JSON_PRETTY_PRINT) {
            $indent = str_repeat($this->indent, count($this->stack));
            $this->write("\n", JsonToken::T_WHITESPACE);

            if ($indent !== '') {
                $this->write($indent, JsonToken::T_WHITESPACE);
            }

            $this->line++;
            $this->column = strlen($indent) + 1;
        }

        $this->newLine = false;
        $this->write($string, $token);
        $this->column += strlen($string);
    }

    /**
     * Actually handles the writing of the given token to the output stream.
     * @param string $string The given token to write
     * @param int $token The type of the token
     * @return void
     */
    abstract protected function write($string, $token);
}


1		<?php
2
3		namespace Violet\StreamingJsonEncoder;
4
5		/**
6		* Abstract encoder for encoding JSON iteratively.
7		*
8		* @author Riikka Kalliomäki <[email protected]>
9		* @copyright Copyright (c) 2016, Riikka Kalliomäki
10		* @license http://opensource.org/licenses/mit-license.php MIT License
11		*/
12		abstract class AbstractJsonEncoder implements \Iterator
13		{
14		/** @var \Iterator[] Current value stack in encoding */
15		private $stack;
16
17		/** @var bool[] True for every object in the stack, false for an array */
18		private $stackType;
19
20		/** @var array Stack of values being encoded */
21		private $valueStack;
22
23		/** @var bool Whether the next value is the first value in an array or an object */
24		private $first;
25
26		/** @var int The JSON encoding options */
27		private $options;
28
29		/** @var bool Whether next token should be preceded by new line or not */
30		private $newLine;
31
32		/** @var string Indent to use for indenting JSON output */
33		private $indent;
34
35		/** @var string[] Errors that occurred in encoding */
36		private $errors;
37
38		/** @var int Number of the current line in output */
39		private $line;
40
41		/** @var int Number of the current column in output */
42		private $column;
43
44		/** @var mixed The initial value to encode as JSON */
45		private $initialValue;
46
47		/** @var int\|null The current step of the encoder */
48		private $step;
49
50		/**
51		* AbstractJsonEncoder constructor.
52		* @param mixed $value The value to encode as JSON
53		*/
54	117	public function __construct($value)
55		{
56	117	$this->initialValue = $value;
57	117	$this->options = 0;
58	117	$this->errors = [];
59	117	$this->indent = ' ';
60	39	}
61
62		/**
63		* Sets the JSON encoding options.
64		* @param int $options The JSON encoding options that are used by json_encode
65		* @return $this Returns self for call chaining
66		* @throws \RuntimeException If changing encoding options during encoding operation
67		*/
68	75	public function setOptions($options)
69		{
70	75	if ($this->step !== null) {
71	3	throw new \RuntimeException('Cannot change encoding options during encoding');
72		}
73
74	72	$this->options = (int) $options;
75	72	return $this;
76		}
77
78		/**
79		* Sets the indent for the JSON output.
80		* @param string\|int $indent A string to use as indent or the number of spaces
81		* @return $this Returns self for call chaining
82		* @throws \RuntimeException If changing indent during encoding operation
83		*/
84	39	public function setIndent($indent)
85		{
86	39	if ($this->step !== null) {
87	3	throw new \RuntimeException('Cannot change indent during encoding');
88		}
89
90	36	$this->indent = is_int($indent) ? str_repeat(' ', $indent) : (string) $indent;
91	36	return $this;
92		}
93
94		/**
95		* Returns the list of errors that occurred during the last encoding process.
96		* @return string[] List of errors that occurred during encoding
97		*/
98	6	public function getErrors()
99		{
100	6	return $this->errors;
101		}
102
103		/**
104		* Returns the current encoding value stack.
105		* @return array The current encoding value stack
106		*/
107	3	protected function getValueStack()
108		{
109	3	return $this->valueStack;
110		}
111
112		/**
113		* Initializes the iterator if it has not been initialized yet.
114		*/
115	90	private function initialize()
116		{
117	90	if (!isset($this->stack)) {
118	3	$this->rewind();
119	1	}
120	30	}
121
122		/**
123		* Returns the current number of step in the encoder.
124		* @return int\|null The current step number as integer or null if the current state is not valid
125		*/
126	6	public function key()
127		{
128	6	$this->initialize();
129
130	6	return $this->step;
131		}
132
133		/**
134		* Tells if the encoder has a valid current state.
135		* @return bool True if the iterator has a valid state, false if not
136		*/
137	87	public function valid()
138		{
139	87	$this->initialize();
140
141	87	return $this->step !== null;
142		}
143
144		/**
145		* Returns the current value or state from the encoder.
146		* @return mixed The current value or state from the encoder
147		*/
148		abstract public function current();
149
150		/**
151		* Returns the JSON encoding to the beginning.
152		*/
153	117	public function rewind()
154		{
155	117	if ($this->step === 0) {
156	3	return;
157		}
158
159	117	$this->stack = [];
160	117	$this->stackType = [];
161	117	$this->valueStack = [];
162	117	$this->errors = [];
163	117	$this->newLine = false;
164	117	$this->first = true;
165	117	$this->line = 1;
166	117	$this->column = 1;
167	117	$this->step = 0;
168
169	117	$this->processValue($this->initialValue);
170	38	}
171
172		/**
173		* Iterates the next token or tokens to the output stream.
174		*/
175	87	public function next()
176		{
177	87	$this->initialize();
178
179	87	if (!empty($this->stack)) {
180	66	$this->step++;
181	66	$iterator = end($this->stack);
182
183	66	if ($iterator->valid()) {
184	57	$this->processStack($iterator, end($this->stackType));
		0 ignored issues – show Security Bug introduced 2017-06-17 15:26 UTC by Report Bug Copy Issue Report It seems like `$iterator` defined by `end($this->stack)` on line `181` can also be of type `false`; however, `Violet\StreamingJsonEnco...Encoder::processStack()` does only seem to accept `object<Iterator>`, did you maybe forget to handle an error condition? This check looks for type mismatches where the missing type is `false`. This is usually indicative of an error condtion. Consider the follow example <?php function getDate($date) { if ($date !== null) { return new DateTime($date); } return false; } This function either returns a new `DateTime` object or false, if there was an error. This is a typical pattern in PHP programming to show that an error has occurred without raising an exception. The calling code should check for this returned `false` before passing on the value to another function or method that may not be able to handle a `false`. Loading history...
185	57	$iterator->next();
186	19	} else {
187	64	$this->popStack();
188		}
189	22	} else {
190	84	$this->step = null;
191		}
192	58	}
193
194		/**
195		* Handles the next value from the iterator to be encoded as JSON.
196		* @param \Iterator $iterator The iterator used to generate the next value
197		* @param bool $isObject True if the iterator is being handled as an object, false if not
198		*/
199	57	private function processStack(\Iterator $iterator, $isObject)
200		{
201	57	if ($isObject) {
202	33	if (!$this->processKey($iterator->key())) {
203	13	return;
204		}
205	41	} elseif (!$this->first) {
206	18	$this->outputLine(',', JsonToken::T_COMMA);
207	6	}
208
209	57	$this->first = false;
210	57	$this->processValue($iterator->current());
211	19	}
212
213		/**
214		* Handles the given value key into JSON.
215		* @param mixed $key The key to process
216		* @return bool True if the key is valid, false if not
217		*/
218	33	private function processKey($key)
219		{
220	33	if (!is_int($key) && !is_string($key)) {
221	3	$this->addError('Only string or integer keys are supported');
222	3	return false;
223		}
224
225	33	if (!$this->first) {
226	18	$this->outputLine(',', JsonToken::T_COMMA);
227	6	}
228
229	33	$this->outputJson((string) $key, JsonToken::T_NAME);
230	33	$this->output(':', JsonToken::T_COLON);
231
232	33	if ($this->options & JSON_PRETTY_PRINT) {
233	6	$this->output(' ', JsonToken::T_WHITESPACE);
234	2	}
235
236	33	return true;
237		}
238
239		/**
240		* Handles the given JSON value appropriately depending on it's type.
241		* @param mixed $value The value that should be encoded as JSON
242		*/
243	117	private function processValue($value)
244		{
245	117	$this->valueStack[] = $value;
246	117	$value = $this->resolveValue($value);
247
248	117	if (is_array($value) \|\| is_object($value)) {
249	66	$this->pushStack($value);
250	22	} else {
251	108	$this->outputJson($value, JsonToken::T_VALUE);
252	105	array_pop($this->valueStack);
253		}
254	76	}
255
256		/**
257		* Resolves the actual value of any given value that is about to be processed.
258		* @param mixed $value The value to resolve
259		* @return mixed The resolved value
260		*/
261	117	protected function resolveValue($value)
262		{
263		do {
264	117	if ($value instanceof \JsonSerializable) {
265	3	$value = $value->jsonSerialize();
266	117	} elseif ($value instanceof \Closure) {
267	6	$value = $value();
268	2	} else {
269	78	break;
270		}
271	6	} while (true);
272
273	117	return $value;
274		}
275
276		/**
277		* Adds an JSON encoding error to the list of errors.
278		* @param string $message The error message to add
279		* @throws EncodingException If the encoding should not continue due to the error
280		*/
281	9	private function addError($message)
282		{
283	9	$errorMessage = sprintf('Line %d, column %d: %s', $this->line, $this->column, $message);
284	9	$this->errors[] = $errorMessage;
285
286	9	if ($this->options & JSON_PARTIAL_OUTPUT_ON_ERROR) {
287	3	return;
288		}
289
290	6	$this->stack = [];
291	6	$this->step = null;
292
293	6	throw new EncodingException($errorMessage);
294		}
295
296		/**
297		* Pushes the given iterable to the value stack.
298		* @param object\|array $iterable The iterable value to push to the stack
299		*/
300	66	private function pushStack($iterable)
301		{
302	66	$iterator = $this->getIterator($iterable);
303	66	$isObject = $this->isObject($iterable, $iterator);
304
305	66	if ($isObject) {
306	36	$this->outputLine('{', JsonToken::T_LEFT_BRACE);
307	12	} else {
308	42	$this->outputLine('[', JsonToken::T_LEFT_BRACKET);
309		}
310
311	66	$this->first = true;
312	66	$this->stack[] = $iterator;
313	66	$this->stackType[] = $isObject;
314	22	}
315
316		/**
317		* Creates a generator from the given iterable using a foreach loop.
318		* @param object\|array $iterable The iterable value to iterate
319		* @return \Generator The generator using the given iterable
320		*/
321	66	private function getIterator($iterable)
322		{
323	66	foreach ($iterable as $key => $value) {
324	60	yield $key => $value;
325	22	}
326	21	}
327
328		/**
329		* Tells if the given iterable should be handled as a JSON object or not.
330		* @param object\|array $iterable The iterable value to test
331		* @param \Iterator $iterator An Iterator created from the iterable value
332		* @return bool True if the given iterable should be treated as object, false if not
333		*/
334	66	private function isObject($iterable, \Iterator $iterator)
335		{
336	66	if ($this->options & JSON_FORCE_OBJECT) {
337	3	return true;
338		}
339
340	63	if ($iterable instanceof \Traversable) {
341	18	return $iterator->valid() && $iterator->key() !== 0;
342		}
343
344	54	return is_object($iterable) \|\| $this->isAssociative($iterable);
345		}
346
347		/**
348		* Tells if the given array is an associative array.
349		* @param array $array The array to test
350		* @return bool True if the array is associative, false if not
351		*/
352	54	private function isAssociative(array $array)
353		{
354	54	if ($array === []) {
355	9	return false;
356		}
357
358	48	$expected = 0;
359
360	48	foreach ($array as $key => $_) {
361	48	if ($key !== $expected++) {
362	36	return true;
363		}
364	9	}
365
366	27	return false;
367		}
368
369		/**
370		* Removes the top element of the value stack.
371		*/
372	63	private function popStack()
373		{
374	63	if (!$this->first) {
375	54	$this->newLine = true;
376	18	}
377
378	63	$this->first = false;
379	63	array_pop($this->stack);
380
381	63	if (array_pop($this->stackType)) {
382	36	$this->output('}', JsonToken::T_RIGHT_BRACE);
383	12	} else {
384	39	$this->output(']', JsonToken::T_RIGHT_BRACKET);
385		}
386
387	63	array_pop($this->valueStack);
388	21	}
389
390		/**
391		* Encodes the given value as JSON and passes it to output stream.
392		* @param mixed $value The value to output as JSON
393		* @param int $token The token type of the value
394		*/
395	108	private function outputJson($value, $token)
396		{
397	108	$encoded = json_encode($value, $this->options);
398	108	$error = json_last_error();
399
400	108	if ($error !== JSON_ERROR_NONE) {
401	9	$this->addError(sprintf('%s (%s)', json_last_error_msg(), $this->getJsonErrorName($error)));
402	1	}
403
404	105	$this->output($encoded, $token);
405	35	}
406
407		/**
408		* Returns the name of the JSON error constant.
409		* @param int $error The error code to find
410		* @return string The name for the error code
		0 ignored issues – show Documentation introduced 2017-06-17 15:26 UTC by Report Bug Copy Issue Report Should the return type not be `integer\|string\|null`? This check compares the return type specified in the `@return` annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch. Loading history...
411		*/
412	9	private function getJsonErrorName($error)
413		{
414	9	$matches = array_keys(get_defined_constants(), $error, true);
415	9	$prefix = 'JSON_ERROR_';
416	9	$prefixLength = strlen($prefix);
417
418	9	foreach ($matches as $match) {
419	9	if (strncmp($match, $prefix, $prefixLength) === 0) {
420	9	return $match;
421		}
422	3	}
423		}
424
425		/**
426		* Passes the given token to the output stream and ensures the next token is preceded by a newline.
427		* @param string $string The token to write to the output stream
428		* @param int $token The type of the token
429		*/
430	66	private function outputLine($string, $token)
431		{
432	66	$this->output($string, $token);
433	66	$this->newLine = true;
434	22	}
435
436		/**
437		* Passes the given token to the output stream.
438		* @param string $string The token to write to the output stream
439		* @param int $token The type of the token
440		*/
441	114	private function output($string, $token)
442		{
443	114	if ($this->newLine && $this->options & JSON_PRETTY_PRINT) {
444	15	$indent = str_repeat($this->indent, count($this->stack));
445	15	$this->write("\n", JsonToken::T_WHITESPACE);
446
447	15	if ($indent !== '') {
448	15	$this->write($indent, JsonToken::T_WHITESPACE);
449	5	}
450
451	15	$this->line++;
452	15	$this->column = strlen($indent) + 1;
453	5	}
454
455	114	$this->newLine = false;
456	114	$this->write($string, $token);
457	114	$this->column += strlen($string);
458	38	}
459
460		/**
461		* Actually handles the writing of the given token to the output stream.
462		* @param string $string The given token to write
463		* @param int $token The type of the token
464		* @return void
465		*/
466		abstract protected function write($string, $token);
467		}
468

violet-php / streaming-json-encoder

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AbstractJsonEncoder::addError() A

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