Parser::parseBlockScalar() - Code Metrics - Inspection of "* applied symfony 3.0 patches." - eserozvataf/scabbia2-yaml - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( a60c4f...a4711b )

by Eser
created 2016-01-07 23:22 UTC
Parser::parseBlockScalar() F

↳ Parent: Parser
Complexity

Conditions	26
Paths	325
Size

Total Lines	94
Code Lines	61
Duplication

Lines	10
Ratio	10.64 %
Importance

Changes	1
Bugs	0	Features	0
Metric	Value
c	1
b	0
f	0
dl	10
loc	94
rs	3.5303
cc	26
eloc	61
nc	325
nop	3
How to fix Long Method Complexity

<?php
/**
 * Scabbia2 Yaml Component
 * https://github.com/eserozvataf/scabbia2
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @link        https://github.com/eserozvataf/scabbia2-yaml for the canonical source repository
 * @copyright   2010-2016 Eser Ozvataf. (http://eser.ozvataf.com/)
 * @license     http://www.apache.org/licenses/LICENSE-2.0 - Apache License, Version 2.0
 *
 * -------------------------
 * Portions of this code are from Symfony YAML Component under the MIT license.
 *
 * (c) Fabien Potencier <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE-MIT
 * file that was distributed with this source code.
 *
 * Modifications made:
 * - Scabbia Framework code styles applied.
 * - All dump methods are moved under Dumper class.
 * - Redundant classes removed.
 * - Namespace changed.
 * - Tests ported to Scabbia2.
 * - Encoding checks removed.
 */

namespace Scabbia\Yaml;

use Scabbia\Yaml\Inline;
use Scabbia\Yaml\ParseException;

/**
 * Parser parses YAML strings to convert them to PHP arrays
 *
 * @package     Scabbia\Yaml
 * @author      Fabien Potencier <[email protected]>
 * @author      Eser Ozvataf <[email protected]>
 * @since       2.0.0
 */
class Parser
{
    /** @type string BLOCK_SCALAR_HEADER_PATTERN */
    const BLOCK_SCALAR_HEADER_PATTERN =
        "(?P<separator>\\||>)(?P<modifiers>\\+|\\-|\\d+|\\+\\d+|\\-\\d+|\\d+\\+|\\d+\\-)?(?P<comments> +#.*)?";


    /** @type int $offset */
    protected $offset         = 0;
    /** @type array $lines */
    protected $lines          = [];
    /** @type int $currentLineNb */
    protected $currentLineNb  = -1;
    /** @type string $currentLine */
    protected $currentLine    = "";
    /** @type array $refs */
    protected $refs           = [];


    /**
     * Constructor
     *
     * @param int $offset The offset of YAML document (used for line numbers in error messages)
     *
     * @return Parser

     */
    public function __construct($offset = 0)
    {
        $this->offset = $offset;
    }

    /**
     * Parses a YAML string to a PHP value
     *
     * @param string  $value                  A YAML string
     *
     * @throws ParseException If the YAML is not valid
     * @return mixed  A PHP value
     */
    public function parse($value)
    {
        $this->currentLineNb = -1;
        $this->currentLine = "";
        $value = $this->cleanup($value);
        $this->lines = explode("\n", $value);

        $data = [];
        $context = null;
        while ($this->moveToNextLine()) {
            if ($this->isCurrentLineEmpty()) {
                continue;
            }

            // tab?
            if ($this->currentLine[0] === "\t") {
                throw new ParseException(
                    "A YAML file cannot contain tabs as indentation.",
                    $this->getRealCurrentLineNb() + 1,
                    $this->currentLine
                );
            }

            $isRef = false;
            $isInPlace = false;
            $isProcessed = false;
            if (preg_match("#^\\-((?P<leadspaces>\\s+)(?P<value>.+?))?\\s*$#u", $this->currentLine, $values)) {
                if ($context && $context === "mapping") {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
                    throw new ParseException("You cannot define a sequence item when in a mapping");
                }
                $context = "sequence";

                if (isset($values["value"]) &&

                    preg_match("#^&(?P<ref>[^ ]+) *(?P<value>.*)#u", $values["value"], $matches)) {
                    $isRef = $matches["ref"];
                    $values["value"] = $matches["value"];
                }

                // array
                if (!isset($values["value"]) || trim($values["value"], " ") === "" ||
                    strpos(ltrim($values["value"], " "), "#") === 0) {
                    $c = $this->getRealCurrentLineNb() + 1;
                    $parser = new static($c);
                    $parser->refs =& $this->refs;
                    $data[] = $parser->parse($this->getNextEmbedBlock(null, true));
                } else {
                    if (isset($values["leadspaces"])
                        && preg_match(
                            "#^(?P<key>" .
                            Inline::REGEX_QUOTED_STRING .
                            "|[^ '\"\\{\\[].*?) *\\:(\\s+(?P<value>.+?))?\\s*$#u",
                            $values["value"],
                            $matches
                        )
                    ) {
                        // this is a compact notation element, add to next block and parse
                        $c = $this->getRealCurrentLineNb();
                        $parser = new static($c);
                        $parser->refs =& $this->refs;

                        $block = $values["value"];
                        if ($this->isNextLineIndented()) {
                            $block .= "\n" . $this->getNextEmbedBlock($this->getCurrentLineIndentation() + strlen($values["leadspaces"]) + 1);
                        }

                        $data[] = $parser->parse($block);
                    } else {
                        $data[] = $this->parseValue($values["value"], $context);
                    }
                }

                if ($isRef) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
                    $this->refs[$isRef] = end($data);
                }
            } elseif (preg_match(
                "#^(?P<key>" .
                Inline::REGEX_QUOTED_STRING .
                "|[^ '\"\\[\\{].*?) *\\:(\\s+(?P<value>.+?))?\\s*$#u",
                $this->currentLine,
                $values
            ) && (strpos($values["key"], " #") === false || in_array($values["key"][0], ["\"", "'"]))) {
                if ($context && $context === "sequence") {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
                    throw new ParseException("You cannot define a mapping item when in a sequence");
                }
                $context = "mapping";

                // force correct settings
                Inline::parse(null, $this->refs);
                try {
                    $key = Inline::parseScalar($values["key"]);
                } catch (ParseException $e) {
                    $e->setParsedLine($this->getRealCurrentLineNb() + 1);
                    $e->setSnippet($this->currentLine);

                    throw $e;
                }

                // Convert float keys to strings, to avoid being converted to integers by PHP
                if (is_float($key)) {
                    $key = (string)$key;
                }

                if ($key === "<<") {
                    if (isset($values["value"]) && strpos($values["value"], "*") === 0) {
                        $isInPlace = substr($values["value"], 1);
                        if (!array_key_exists($isInPlace, $this->refs)) {
                            throw new ParseException(
                                sprintf(
                                    "Reference \"%s\" does not exist.",
                                    $isInPlace
                                ),
                                $this->getRealCurrentLineNb() + 1,
                                $this->currentLine
                            );
                        }
                    } else {
                        if (isset($values["value"]) && $values["value"] !== "") {
                            $value = $values["value"];
                        } else {
                            $value = $this->getNextEmbedBlock();
                        }

                        $c = $this->getRealCurrentLineNb() + 1;
                        $parser = new static($c);
                        $parser->refs =& $this->refs;
                        $parsed = $parser->parse($value);

                        $merged = [];
                        if (!is_array($parsed)) {
                            throw new ParseException(
                                "YAML merge keys used with a scalar value instead of an array.",
                                $this->getRealCurrentLineNb() + 1,
                                $this->currentLine
                            );
                        } elseif (isset($parsed[0])) {
                            // Numeric array, merge individual elements
                            foreach (array_reverse($parsed) as $parsedItem) {
                                if (!is_array($parsedItem)) {
                                    throw new ParseException(
                                        "Merge items must be arrays.",
                                        $this->getRealCurrentLineNb() + 1,
                                        $parsedItem
                                    );
                                }
                                $merged = array_merge($parsedItem, $merged);
                            }
                        } else {
                            // Associative array, merge
                            $merged = array_merge($merged, $parsed);
                        }

                        $isProcessed = $merged;
                    }
                } elseif (isset($values["value"]) &&

                    preg_match("#^&(?P<ref>[^ ]+) *(?P<value>.*)#u", $values["value"], $matches)) {
                    $isRef = $matches["ref"];
                    $values["value"] = $matches["value"];
                }

                if ($isProcessed) {
                    // Merge keys
                    $data = $isProcessed;
                } elseif (!isset($values["value"]) ||
                    trim($values["value"], " ") === "" ||
                    strpos(ltrim($values["value"], " "), "#") === 0) {
                    // if next line is less indented or equal, then it means that the current value is null
                    if (!$this->isNextLineIndented() && !$this->isNextLineUnIndentedCollection()) {
                        $data[$key] = null;
                    } else {
                        $c = $this->getRealCurrentLineNb() + 1;
                        $parser = new static($c);
                        $parser->refs =& $this->refs;
                        $data[$key] = $parser->parse($this->getNextEmbedBlock());
                    }
                } else {
                    if ($isInPlace) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
                        $data = $this->refs[$isInPlace];
                    } else {
                        $data[$key] = $this->parseValue($values["value"], $context);
                    }
                }

                if ($isRef) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
                    $this->refs[$isRef] = $data[$key];
                }
            } else {
                // multiple documents are not supported
                if ($this->currentLine === "---") {
                    throw new ParseException("Multiple documents are not supported.");
                }

                // 1-liner optionally followed by newline(s)
                if (is_string($value) && $this->lines[0] === trim($value)) {
                    try {
                        $value = Inline::parse($this->lines[0], $this->refs);
                    } catch (ParseException $e) {
                        $e->setParsedLine($this->getRealCurrentLineNb() + 1);
                        $e->setSnippet($this->currentLine);

                        throw $e;
                    }

                    if (is_array($value)) {
                        $first = reset($value);
                        if (is_string($first) && strpos($first, "*") === 0) {
                            $data = [];
                            foreach ($value as $alias) {
                                $data[] = $this->refs[substr($alias, 1)];
                            }
                            $value = $data;
                        }
                    }

                    return $value;
                }

                switch (preg_last_error()) {
                    case PREG_INTERNAL_ERROR:
                        $error = "Internal PCRE error.";
                        break;
                    case PREG_BACKTRACK_LIMIT_ERROR:
                        $error = "pcre.backtrack_limit reached.";
                        break;
                    case PREG_RECURSION_LIMIT_ERROR:
                        $error = "pcre.recursion_limit reached.";
                        break;
                    case PREG_BAD_UTF8_ERROR:
                        $error = "Malformed UTF-8 data.";
                        break;
                    case PREG_BAD_UTF8_OFFSET_ERROR:
                        $error = "Offset doesn't correspond to the begin of a valid UTF-8 code point.";
                        break;
                    default:
                        $error = "Unable to parse.";
                }

                throw new ParseException($error, $this->getRealCurrentLineNb() + 1, $this->currentLine);
            }

            if ($isRef) {
''   == false // true
''   == null  // true
'ab' == false // false
'ab' == null  // false

// It is often better to use strict comparison
'' === false // false
'' === null  // false
                $this->refs[$isRef] = end($data);
            }
        }

        if (count($data) === 0) {
            return null;
        }

        return $data;
    }

    /**
     * Returns the current line number (takes the offset into account)
     *
     * @return int The current line number
     */
    protected function getRealCurrentLineNb()
    {
        return $this->currentLineNb + $this->offset;
    }

    /**
     * Returns the current line indentation
     *
     * @return int The current line indentation
     */
    protected function getCurrentLineIndentation()
    {
        return strlen($this->currentLine) - strlen(ltrim($this->currentLine, " "));
    }

    /**
     * Returns the next embed block of YAML
     *
     * @param int  $indentation The indent level at which the block is to be read, or null for default
     * @param bool $inSequence  True if the enclosing data structure is a sequence
     *
     * @throws ParseException When indentation problem are detected
     * @return string A YAML string
     */
    protected function getNextEmbedBlock($indentation = null, $inSequence = false)
    {
        $oldLineIndentation = $this->getCurrentLineIndentation();
        $blockScalarIndentations = [];

        if ($this->isBlockScalarHeader()) {
            $blockScalarIndentations[] = $this->getCurrentLineIndentation();
        }

        if (!$this->moveToNextLine()) {
            return;
        }

        if ($indentation === null) {
            $newIndent = $this->getCurrentLineIndentation();

            $unindentedEmbedBlock = $this->isStringUnIndentedCollectionItem();

            if (!$this->isCurrentLineEmpty() && $newIndent === 0 && !$unindentedEmbedBlock) {
                throw new ParseException("Indentation problem.", $this->getRealCurrentLineNb() + 1, $this->currentLine);
            }
        } else {
            $newIndent = $indentation;
        }

        $data = [];
        if ($this->getCurrentLineIndentation() >= $newIndent) {
            $data[] = substr($this->currentLine, $newIndent);
        } else {
            $this->moveToPreviousLine();
            return;
        }

        if ($inSequence && $oldLineIndentation === $newIndent && isset($data[0][0]) && $data[0][0] === "-") {
            // the previous line contained a dash but no item content, this line is a sequence item
            // with the same indentation and therefore no nested list or mapping
            $this->moveToPreviousLine();

            return;
        }

        $isItUnindentedCollection = $this->isStringUnIndentedCollectionItem();

        if (empty($blockScalarIndentations) && $this->isBlockScalarHeader()) {
            $blockScalarIndentations[] = $this->getCurrentLineIndentation();
        }

        $previousLineIndentation = $this->getCurrentLineIndentation();

        while ($this->moveToNextLine()) {
            $indent = $this->getCurrentLineIndentation();

            // terminate all block scalars that are more indented than the current line
            if (!empty($blockScalarIndentations) && $indent < $previousLineIndentation && rtrim($this->currentLine) !== "") {
                foreach ($blockScalarIndentations as $key => $blockScalarIndentation) {
                    if ($blockScalarIndentation >= $this->getCurrentLineIndentation()) {
                        unset($blockScalarIndentations[$key]);
                    }
                }
            }

            if (empty($blockScalarIndentations) && !$this->isCurrentLineComment() && $this->isBlockScalarHeader()) {
                $blockScalarIndentations[] = $this->getCurrentLineIndentation();
            }

            $previousLineIndentation = $indent;

            if ($isItUnindentedCollection && !$this->isStringUnIndentedCollectionItem() && $newIndent === $indent) {
                $this->moveToPreviousLine();
                break;
            }

            if ($this->isCurrentLineBlank()) {
                $data[] = substr($this->currentLine, $newIndent);
                continue;
            }

            // we ignore "comment" lines only when we are not inside a scalar block
            if (empty($blockScalarIndentations) && $this->isCurrentLineComment()) {
                continue;
            }

            if ($indent >= $newIndent) {
                $data[] = substr($this->currentLine, $newIndent);
            } elseif ($indent === 0) {
                $this->moveToPreviousLine();

                break;
            } else {
                throw new ParseException("Indentation problem.", $this->getRealCurrentLineNb() + 1, $this->currentLine);
            }
        }

        return implode("\n", $data);
    }

    /**
     * Moves the parser to the next line
     *
     * @return bool
     */
    protected function moveToNextLine()
    {
        if ($this->currentLineNb >= count($this->lines) - 1) {
            return false;
        }

        $this->currentLine = $this->lines[++$this->currentLineNb];

        return true;
    }

    /**
     * Moves the parser to the previous line
     *
     * @return void
     */
    protected function moveToPreviousLine()
    {
        $this->currentLine = $this->lines[--$this->currentLineNb];
    }

    /**
     * Parses a YAML value
     *
     * @param string  $value                  A YAML value
     * @param string $context                 The parser context (either sequence or mapping)
     *
     * @throws ParseException When reference does not exist
     * @return mixed  A PHP value
     */
    protected function parseValue($value, $context)
    {
        if (strpos($value, "*") === 0) {
            if (($pos = strpos($value, "#")) !== false) {

                $value = substr($value, 1, $pos - 2);
            } else {
                $value = substr($value, 1);
            }

            if (!array_key_exists($value, $this->refs)) {
                throw new ParseException(sprintf("Reference \"%s\" does not exist.", $value), $this->currentLine);
            }

            return $this->refs[$value];
        }

        if (preg_match("/^" . self::BLOCK_SCALAR_HEADER_PATTERN . "$/", $value, $matches)) {
            $modifiers = isset($matches["modifiers"]) ? $matches["modifiers"] : "";

            return $this->parseBlockScalar(
                $matches["separator"],
                preg_replace("#\\d+#", "", $modifiers),
                (int)abs($modifiers)
            );
        }

        try {
            $parsedValue = Inline::parse($value, $this->refs);

            if ($context === "mapping" && $value[0] !== "\"" && $value[0] !== "'" && $value[0] !== "[" && $value[0] !== "{" && $value[0] !== "!" && strpos($parsedValue, ": ") !== false) {
                throw new ParseException("A colon cannot be used in an unquoted mapping value.");
            }

            return $parsedValue;
        } catch (ParseException $e) {
            $e->setParsedLine($this->getRealCurrentLineNb() + 1);
            $e->setSnippet($this->currentLine);

            throw $e;
        }
    }

    /**
     * Parses a block scalar
     *
     * @param string  $separator   The style indicator that was used to begin this block scalar (| or >)
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     * @param string  $indicator   The chomping indicator that was used to begin this block scalar (+ or -)
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     * @param int     $indentation The indentation indicator that was used to begin this block scalar
     *
     * @return string  The text value
     */
    protected function parseBlockScalar($style, $chomping = "", $indentation = 0)
    {
        $notEOF = $this->moveToNextLine();
        if (!$notEOF) {
            return "";
        }

        $isCurrentLineBlank = $this->isCurrentLineBlank();
        $blockLines = [];

        // leading blank lines are consumed before determining indentation
        while ($notEOF && $isCurrentLineBlank) {
            // newline only if not EOF
            if ($notEOF = $this->moveToNextLine()) {
                $blockLines[] = "";
                $isCurrentLineBlank = $this->isCurrentLineBlank();
            }
        }

        // determine indentation if not specified
        if ($indentation === 0) {
            if (preg_match("/^ +/", $this->currentLine, $matches)) {
                $indentation = strlen($matches[0]);
            }
        }

        if ($indentation > 0) {
            $pattern = sprintf("/^ {%d}(.*)$/", $indentation);

            while ($notEOF && ($isCurrentLineBlank || preg_match($pattern, $this->currentLine, $matches))) {
                if ($isCurrentLineBlank && strlen($this->currentLine) > $indentation) {
                    $blockLines[] = substr($this->currentLine, $indentation);
                } elseif ($isCurrentLineBlank) {
                    $blockLines[] = "";
                } else {
                    $blockLines[] = $matches[1];
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                }

                // newline only if not EOF
                if ($notEOF = $this->moveToNextLine()) {
                    $isCurrentLineBlank = $this->isCurrentLineBlank();
                }
            }
        } elseif ($notEOF) {
            $blockLines[] = "";
        }

        if ($notEOF) {
            $blockLines[] = "";
            $this->moveToPreviousLine();
        }

        // folded style
        if ($style === ">") {
            $text = "";
            $previousLineIndented = false;
            $previousLineBlank = false;

            for ($i = 0; $i < count($blockLines); ++$i) {
for ($i=0; $i<count($array); $i++) { // calls count() on each iteration
}

// Better
for ($i=0, $c=count($array); $i<$c; $i++) { // calls count() just once
}
                if ($blockLines[$i] === "") {
                    $text .= "\n";
                    $previousLineIndented = false;
                    $previousLineBlank = true;
                } elseif ($blockLines[$i][0] === " ") {
                    $text .= "\n" . $blockLines[$i];
                    $previousLineIndented = true;
                    $previousLineBlank = false;
                } elseif ($previousLineIndented) {

                    $text .= "\n" . $blockLines[$i];
                    $previousLineIndented = false;
                    $previousLineBlank = false;
                } elseif ($previousLineBlank || 0 === $i) {
                    $text .= $blockLines[$i];
                    $previousLineIndented = false;
                    $previousLineBlank = false;
                } else {

                    $text .= " " . $blockLines[$i];
                    $previousLineIndented = false;
                    $previousLineBlank = false;
                }
            }
        } else {
            $text = implode("\n", $blockLines);
        }

        // deal with trailing newlines
        if ($chomping === "") {
            $text = preg_replace("/\\n+$/", "\n", $text);
        } elseif ($chomping === "-") {
            $text = preg_replace("/\\n+$/", "", $text);
        }

        return $text;
    }

    /**
     * Returns true if the next line is indented
     *
     * @return bool Returns true if the next line is indented, false otherwise
     */
    protected function isNextLineIndented()
    {
        $currentIndentation = $this->getCurrentLineIndentation();
        $EOF = !$this->moveToNextLine();

        while (!$EOF && $this->isCurrentLineEmpty()) {
            $EOF = !$this->moveToNextLine();
        }

        if ($EOF) {
            return false;
        }

        $ret = false;
        if ($this->getCurrentLineIndentation() > $currentIndentation) {
            $ret = true;
        }

        $this->moveToPreviousLine();

        return $ret;
    }

    /**
     * Returns true if the current line is blank or if it is a comment line
     *
     * @return bool Returns true if the current line is empty or if it is a comment line, false otherwise
     */
    protected function isCurrentLineEmpty()
    {
        return $this->isCurrentLineBlank() || $this->isCurrentLineComment();
    }

    /**
     * Returns true if the current line is blank
     *
     * @return bool Returns true if the current line is blank, false otherwise
     */
    protected function isCurrentLineBlank()
    {
        return trim($this->currentLine, " ") === "";
    }

    /**
     * Returns true if the current line is a comment line
     *
     * @return bool Returns true if the current line is a comment line, false otherwise
     */
    protected function isCurrentLineComment()
    {
        //checking explicitly the first char of the trim is faster than loops or strpos
        $ltrimmedLine = ltrim($this->currentLine, " ");

        return $ltrimmedLine !== "" && $ltrimmedLine[0] === "#";
    }

    /**
     * Cleanups a YAML string to be parsed
     *
     * @param string $value The input YAML string
     *
     * @return string A cleaned up YAML string
     */
    protected function cleanup($value)
    {
        $value = str_replace(["\r\n", "\r"], "\n", $value);

        // strip YAML header
        $count = 0;
        $value = preg_replace("#^\\%YAML[: ][\\d\\.]+.*\\n#u", "", $value, -1, $count);
        $this->offset += $count;

        // remove leading comments
        $trimmedValue = preg_replace("#^(\\#.*?\\n)+#s", "", $value, -1, $count);
        if ($count == 1) {
            // items have been removed, update the offset
            $this->offset += substr_count($value, "\n") - substr_count($trimmedValue, "\n");
            $value = $trimmedValue;
        }

        // remove start of the document marker (---)
        $trimmedValue = preg_replace("#^\\-\\-\\-.*?\\n#s", "", $value, -1, $count);
        if ($count == 1) {
            // items have been removed, update the offset
            $this->offset += substr_count($value, "\n") - substr_count($trimmedValue, "\n");
            $value = $trimmedValue;

            // remove end of the document marker (...)
            $value = preg_replace("#\\.\\.\\.\\s*$#", "", $value);
        }

        return $value;
    }

    /**
     * Returns true if the next line starts unindented collection
     *
     * @return bool Returns true if the next line starts unindented collection, false otherwise
     */
    protected function isNextLineUnIndentedCollection()
    {
        $currentIndentation = $this->getCurrentLineIndentation();
        $notEOF = $this->moveToNextLine();

        while ($notEOF && $this->isCurrentLineEmpty()) {
            $notEOF = $this->moveToNextLine();
        }

        if ($notEOF === false) {
            return false;
        }

        $ret = false;
        if ($this->getCurrentLineIndentation() == $currentIndentation &&
            $this->isStringUnIndentedCollectionItem()) {
            $ret = true;
        }

        $this->moveToPreviousLine();

        return $ret;
    }

    /**
     * Returns true if the string is un-indented collection item
     *
     * @return bool Returns true if the string is un-indented collection item, false otherwise
     */
    protected function isStringUnIndentedCollectionItem()
    {
        return (strpos($this->currentLine, "- ") === 0);
    }

    /**
     * Tests whether or not the current line is the header of a block scalar.
     *
     * @return bool
     */
    protected function isBlockScalarHeader()
    {
        return (bool)preg_match("~" . self::BLOCK_SCALAR_HEADER_PATTERN . "$~", $this->currentLine);
    }
}

eserozvataf / scabbia2-yaml

Push — master ( a60c4f...a4711b )

Parser::parseBlockScalar() F

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Long Method

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