mirror of
https://github.com/silverstripe/doc.silverstripe.org
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7ecbf49ac9
git-svn-id: http://svn.silverstripe.com/projects/ss2doc/branches/v2@117896 467b73ca-7a2a-4603-9d3b-597d59a354a9
1034 lines
30 KiB
PHP
1034 lines
30 KiB
PHP
<?php
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/**
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* Spyc -- A Simple PHP YAML Class
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* @version 0.4.5
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* @author Vlad Andersen <vlad.andersen@gmail.com>
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* @author Chris Wanstrath <chris@ozmm.org>
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* @link http://code.google.com/p/spyc/
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* @copyright Copyright 2005-2006 Chris Wanstrath, 2006-2009 Vlad Andersen
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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* @package Spyc
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*/
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if (!function_exists('spyc_load')) {
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/**
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* Parses YAML to array.
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* @param string $string YAML string.
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* @return array
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*/
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function spyc_load ($string) {
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return Spyc::YAMLLoadString($string);
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}
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}
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if (!function_exists('spyc_load_file')) {
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/**
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* Parses YAML to array.
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* @param string $file Path to YAML file.
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* @return array
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*/
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function spyc_load_file ($file) {
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return Spyc::YAMLLoad($file);
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}
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}
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/**
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* The Simple PHP YAML Class.
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*
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* This class can be used to read a YAML file and convert its contents
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* into a PHP array. It currently supports a very limited subsection of
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* the YAML spec.
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*
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* Usage:
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* <code>
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* $Spyc = new Spyc;
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* $array = $Spyc->load($file);
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* </code>
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* or:
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* <code>
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* $array = Spyc::YAMLLoad($file);
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* </code>
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* or:
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* <code>
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* $array = spyc_load_file($file);
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* </code>
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* @package Spyc
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*/
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class Spyc {
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// SETTINGS
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/**
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* Setting this to true will force YAMLDump to enclose any string value in
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* quotes. False by default.
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*
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* @var bool
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*/
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public $setting_dump_force_quotes = false;
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/**
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* Setting this to true will forse YAMLLoad to use syck_load function when
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* possible. False by default.
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* @var bool
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*/
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public $setting_use_syck_is_possible = false;
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/**#@+
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* @access private
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* @var mixed
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*/
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private $_dumpIndent;
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private $_dumpWordWrap;
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private $_containsGroupAnchor = false;
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private $_containsGroupAlias = false;
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private $path;
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private $result;
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private $LiteralPlaceHolder = '___YAML_Literal_Block___';
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private $SavedGroups = array();
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private $indent;
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/**
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* Path modifier that should be applied after adding current element.
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* @var array
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*/
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private $delayedPath = array();
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/**#@+
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* @access public
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* @var mixed
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*/
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public $_nodeId;
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/**
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* Load a valid YAML string to Spyc.
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* @param string $input
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* @return array
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*/
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public function load ($input) {
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return $this->__loadString($input);
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}
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/**
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* Load a valid YAML file to Spyc.
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* @param string $file
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* @return array
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*/
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public function loadFile ($file) {
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return $this->__load($file);
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}
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/**
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* Load YAML into a PHP array statically
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*
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* The load method, when supplied with a YAML stream (string or file),
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* will do its best to convert YAML in a file into a PHP array. Pretty
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* simple.
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* Usage:
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* <code>
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* $array = Spyc::YAMLLoad('lucky.yaml');
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* print_r($array);
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* </code>
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* @access public
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* @return array
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* @param string $input Path of YAML file or string containing YAML
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*/
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public static function YAMLLoad($input) {
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$Spyc = new Spyc;
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return $Spyc->__load($input);
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}
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/**
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* Load a string of YAML into a PHP array statically
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*
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* The load method, when supplied with a YAML string, will do its best
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* to convert YAML in a string into a PHP array. Pretty simple.
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*
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* Note: use this function if you don't want files from the file system
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* loaded and processed as YAML. This is of interest to people concerned
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* about security whose input is from a string.
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*
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* Usage:
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* <code>
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* $array = Spyc::YAMLLoadString("---\n0: hello world\n");
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* print_r($array);
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* </code>
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* @access public
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* @return array
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* @param string $input String containing YAML
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*/
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public static function YAMLLoadString($input) {
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$Spyc = new Spyc;
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return $Spyc->__loadString($input);
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}
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/**
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* Dump YAML from PHP array statically
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*
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* The dump method, when supplied with an array, will do its best
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* to convert the array into friendly YAML. Pretty simple. Feel free to
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* save the returned string as nothing.yaml and pass it around.
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*
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* Oh, and you can decide how big the indent is and what the wordwrap
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* for folding is. Pretty cool -- just pass in 'false' for either if
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* you want to use the default.
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*
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* Indent's default is 2 spaces, wordwrap's default is 40 characters. And
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* you can turn off wordwrap by passing in 0.
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*
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* @access public
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* @return string
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* @param array $array PHP array
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* @param int $indent Pass in false to use the default, which is 2
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* @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
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*/
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public static function YAMLDump($array,$indent = false,$wordwrap = false) {
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$spyc = new Spyc;
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return $spyc->dump($array,$indent,$wordwrap);
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}
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/**
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* Dump PHP array to YAML
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*
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* The dump method, when supplied with an array, will do its best
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* to convert the array into friendly YAML. Pretty simple. Feel free to
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* save the returned string as tasteful.yaml and pass it around.
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*
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* Oh, and you can decide how big the indent is and what the wordwrap
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* for folding is. Pretty cool -- just pass in 'false' for either if
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* you want to use the default.
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*
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* Indent's default is 2 spaces, wordwrap's default is 40 characters. And
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* you can turn off wordwrap by passing in 0.
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*
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* @access public
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* @return string
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* @param array $array PHP array
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* @param int $indent Pass in false to use the default, which is 2
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* @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
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*/
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public function dump($array,$indent = false,$wordwrap = false) {
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// Dumps to some very clean YAML. We'll have to add some more features
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// and options soon. And better support for folding.
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// New features and options.
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if ($indent === false or !is_numeric($indent)) {
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$this->_dumpIndent = 2;
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} else {
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$this->_dumpIndent = $indent;
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}
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if ($wordwrap === false or !is_numeric($wordwrap)) {
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$this->_dumpWordWrap = 40;
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} else {
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$this->_dumpWordWrap = $wordwrap;
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}
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// New YAML document
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$string = "---\n";
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// Start at the base of the array and move through it.
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if ($array) {
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$array = (array)$array;
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$first_key = key($array);
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$previous_key = -1;
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foreach ($array as $key => $value) {
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$string .= $this->_yamlize($key,$value,0,$previous_key, $first_key);
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$previous_key = $key;
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}
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}
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return $string;
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}
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/**
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* Attempts to convert a key / value array item to YAML
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* @access private
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* @return string
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* @param $key The name of the key
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* @param $value The value of the item
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* @param $indent The indent of the current node
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*/
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private function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0) {
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if (is_array($value)) {
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if (empty ($value))
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return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key);
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// It has children. What to do?
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// Make it the right kind of item
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$string = $this->_dumpNode($key, NULL, $indent, $previous_key, $first_key);
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// Add the indent
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$indent += $this->_dumpIndent;
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// Yamlize the array
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$string .= $this->_yamlizeArray($value,$indent);
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} elseif (!is_array($value)) {
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// It doesn't have children. Yip.
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$string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key);
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}
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return $string;
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}
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/**
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* Attempts to convert an array to YAML
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* @access private
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* @return string
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* @param $array The array you want to convert
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* @param $indent The indent of the current level
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*/
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private function _yamlizeArray($array,$indent) {
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if (is_array($array)) {
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$string = '';
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$previous_key = -1;
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$first_key = key($array);
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foreach ($array as $key => $value) {
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$string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key);
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$previous_key = $key;
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}
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return $string;
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} else {
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return false;
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}
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}
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/**
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* Returns YAML from a key and a value
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* @access private
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* @return string
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* @param $key The name of the key
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* @param $value The value of the item
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* @param $indent The indent of the current node
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*/
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private function _dumpNode($key, $value, $indent, $previous_key = -1, $first_key = 0) {
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// do some folding here, for blocks
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if (is_string ($value) && ((strpos($value,"\n") !== false || strpos($value,": ") !== false || strpos($value,"- ") !== false ||
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strpos($value,"*") !== false || strpos($value,"#") !== false || strpos($value,"<") !== false || strpos($value,">") !== false || strpos ($value, ' ') !== false ||
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strpos($value,"[") !== false || strpos($value,"]") !== false || strpos($value,"{") !== false || strpos($value,"}") !== false) || substr ($value, -1, 1) == ':')
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) {
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$value = $this->_doLiteralBlock($value,$indent);
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} else {
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$value = $this->_doFolding($value,$indent);
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}
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if ($value === array()) $value = '[ ]';
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if (in_array ($value, array ('true', 'TRUE', 'false', 'FALSE', 'y', 'Y', 'n', 'N', 'null', 'NULL'), true)) {
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$value = $this->_doLiteralBlock($value,$indent);
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}
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if (trim ($value) != $value)
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$value = $this->_doLiteralBlock($value,$indent);
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if (is_bool($value)) {
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$value = ($value) ? "true" : "false";
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}
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$spaces = str_repeat(' ',$indent);
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if (is_int($key) && $key - 1 == $previous_key && $first_key===0) {
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// It's a sequence
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$string = $spaces.'- '.$value."\n";
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} else {
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if ($first_key===0) throw new Exception('Keys are all screwy. The first one was zero, now it\'s "'. $key .'"');
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// It's mapped
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if (strpos($key, ":") !== false) { $key = '"' . $key . '"'; }
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$string = $spaces.$key.': '.$value."\n";
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}
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return $string;
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}
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/**
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* Creates a literal block for dumping
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* @access private
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* @return string
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* @param $value
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* @param $indent int The value of the indent
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*/
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private function _doLiteralBlock($value,$indent) {
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if ($value === "\n") return '\n';
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if (strpos($value, "\n") === false && strpos($value, "'") === false) {
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return sprintf ("'%s'", $value);
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}
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if (strpos($value, "\n") === false && strpos($value, '"') === false) {
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return sprintf ('"%s"', $value);
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}
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$exploded = explode("\n",$value);
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$newValue = '|';
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$indent += $this->_dumpIndent;
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$spaces = str_repeat(' ',$indent);
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foreach ($exploded as $line) {
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$newValue .= "\n" . $spaces . ($line);
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}
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return $newValue;
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}
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/**
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* Folds a string of text, if necessary
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* @access private
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* @return string
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* @param $value The string you wish to fold
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*/
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private function _doFolding($value,$indent) {
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// Don't do anything if wordwrap is set to 0
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if ($this->_dumpWordWrap !== 0 && is_string ($value) && strlen($value) > $this->_dumpWordWrap) {
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$indent += $this->_dumpIndent;
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$indent = str_repeat(' ',$indent);
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$wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent");
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$value = ">\n".$indent.$wrapped;
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} else {
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if ($this->setting_dump_force_quotes && is_string ($value))
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$value = '"' . $value . '"';
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}
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return $value;
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}
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// LOADING FUNCTIONS
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private function __load($input) {
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$Source = $this->loadFromSource($input);
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return $this->loadWithSource($Source);
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}
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private function __loadString($input) {
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$Source = $this->loadFromString($input);
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return $this->loadWithSource($Source);
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}
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private function loadWithSource($Source) {
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if (empty ($Source)) return array();
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if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) {
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$array = syck_load (implode ('', $Source));
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return is_array($array) ? $array : array();
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}
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$this->path = array();
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$this->result = array();
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$cnt = count($Source);
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for ($i = 0; $i < $cnt; $i++) {
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$line = $Source[$i];
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$this->indent = strlen($line) - strlen(ltrim($line));
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$tempPath = $this->getParentPathByIndent($this->indent);
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$line = self::stripIndent($line, $this->indent);
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if (self::isComment($line)) continue;
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if (self::isEmpty($line)) continue;
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$this->path = $tempPath;
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$literalBlockStyle = self::startsLiteralBlock($line);
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if ($literalBlockStyle) {
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$line = rtrim ($line, $literalBlockStyle . " \n");
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$literalBlock = '';
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$line .= $this->LiteralPlaceHolder;
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while (++$i < $cnt && $this->literalBlockContinues($Source[$i], $this->indent)) {
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$literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle);
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}
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$i--;
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}
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while (++$i < $cnt && self::greedilyNeedNextLine($line)) {
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$line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t");
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}
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$i--;
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if (strpos ($line, '#')) {
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if (strpos ($line, '"') === false && strpos ($line, "'") === false)
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$line = preg_replace('/\s+#(.+)$/','',$line);
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}
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$lineArray = $this->_parseLine($line);
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if ($literalBlockStyle)
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$lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock);
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$this->addArray($lineArray, $this->indent);
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foreach ($this->delayedPath as $indent => $delayedPath)
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$this->path[$indent] = $delayedPath;
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$this->delayedPath = array();
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}
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return $this->result;
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}
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private function loadFromSource ($input) {
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if (!empty($input) && strpos($input, "\n") === false && file_exists($input))
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return file($input);
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return $this->loadFromString($input);
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}
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private function loadFromString ($input) {
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$lines = explode("\n",$input);
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foreach ($lines as $k => $_) {
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$lines[$k] = rtrim ($_, "\r");
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}
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return $lines;
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}
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/**
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* Parses YAML code and returns an array for a node
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* @access private
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* @return array
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* @param string $line A line from the YAML file
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*/
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private function _parseLine($line) {
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if (!$line) return array();
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$line = trim($line);
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if (!$line) return array();
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$array = array();
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$group = $this->nodeContainsGroup($line);
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if ($group) {
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$this->addGroup($line, $group);
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$line = $this->stripGroup ($line, $group);
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}
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if ($this->startsMappedSequence($line))
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return $this->returnMappedSequence($line);
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if ($this->startsMappedValue($line))
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return $this->returnMappedValue($line);
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if ($this->isArrayElement($line))
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return $this->returnArrayElement($line);
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if ($this->isPlainArray($line))
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return $this->returnPlainArray($line);
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return $this->returnKeyValuePair($line);
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}
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/**
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* Finds the type of the passed value, returns the value as the new type.
|
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* @access private
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* @param string $value
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* @return mixed
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*/
|
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private function _toType($value) {
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if ($value === '') return null;
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$first_character = $value[0];
|
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$last_character = substr($value, -1, 1);
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$is_quoted = false;
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do {
|
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if (!$value) break;
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if ($first_character != '"' && $first_character != "'") break;
|
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if ($last_character != '"' && $last_character != "'") break;
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$is_quoted = true;
|
|
} while (0);
|
|
|
|
if ($is_quoted)
|
|
return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\'\'' => '\'', '\\\'' => '\''));
|
|
|
|
if (strpos($value, ' #') !== false && !$is_quoted)
|
|
$value = preg_replace('/\s+#(.+)$/','',$value);
|
|
|
|
if (!$is_quoted) $value = str_replace('\n', "\n", $value);
|
|
|
|
if ($first_character == '[' && $last_character == ']') {
|
|
// Take out strings sequences and mappings
|
|
$innerValue = trim(substr ($value, 1, -1));
|
|
if ($innerValue === '') return array();
|
|
$explode = $this->_inlineEscape($innerValue);
|
|
// Propagate value array
|
|
$value = array();
|
|
foreach ($explode as $v) {
|
|
$value[] = $this->_toType($v);
|
|
}
|
|
return $value;
|
|
}
|
|
|
|
if (strpos($value,': ')!==false && $first_character != '{') {
|
|
$array = explode(': ',$value);
|
|
$key = trim($array[0]);
|
|
array_shift($array);
|
|
$value = trim(implode(': ',$array));
|
|
$value = $this->_toType($value);
|
|
return array($key => $value);
|
|
}
|
|
|
|
if ($first_character == '{' && $last_character == '}') {
|
|
$innerValue = trim(substr ($value, 1, -1));
|
|
if ($innerValue === '') return array();
|
|
// Inline Mapping
|
|
// Take out strings sequences and mappings
|
|
$explode = $this->_inlineEscape($innerValue);
|
|
// Propagate value array
|
|
$array = array();
|
|
foreach ($explode as $v) {
|
|
$SubArr = $this->_toType($v);
|
|
if (empty($SubArr)) continue;
|
|
if (is_array ($SubArr)) {
|
|
$array[key($SubArr)] = $SubArr[key($SubArr)]; continue;
|
|
}
|
|
$array[] = $SubArr;
|
|
}
|
|
return $array;
|
|
}
|
|
|
|
if ($value == 'null' || $value == 'NULL' || $value == 'Null' || $value == '' || $value == '~') {
|
|
return null;
|
|
}
|
|
|
|
if (intval($first_character) > 0 && preg_match ('/^[1-9]+[0-9]*$/', $value)) {
|
|
$intvalue = (int)$value;
|
|
if ($intvalue != PHP_INT_MAX)
|
|
$value = $intvalue;
|
|
return $value;
|
|
}
|
|
|
|
if (in_array($value,
|
|
array('true', 'on', '+', 'yes', 'y', 'True', 'TRUE', 'On', 'ON', 'YES', 'Yes', 'Y'))) {
|
|
return true;
|
|
}
|
|
|
|
if (in_array(strtolower($value),
|
|
array('false', 'off', '-', 'no', 'n'))) {
|
|
return false;
|
|
}
|
|
|
|
if (is_numeric($value)) {
|
|
if ($value === '0') return 0;
|
|
if (trim ($value, 0) === $value)
|
|
$value = (float)$value;
|
|
return $value;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
/**
|
|
* Used in inlines to check for more inlines or quoted strings
|
|
* @access private
|
|
* @return array
|
|
*/
|
|
private function _inlineEscape($inline) {
|
|
// There's gotta be a cleaner way to do this...
|
|
// While pure sequences seem to be nesting just fine,
|
|
// pure mappings and mappings with sequences inside can't go very
|
|
// deep. This needs to be fixed.
|
|
|
|
$seqs = array();
|
|
$maps = array();
|
|
$saved_strings = array();
|
|
|
|
// Check for strings
|
|
$regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/';
|
|
if (preg_match_all($regex,$inline,$strings)) {
|
|
$saved_strings = $strings[0];
|
|
$inline = preg_replace($regex,'YAMLString',$inline);
|
|
}
|
|
unset($regex);
|
|
|
|
$i = 0;
|
|
do {
|
|
|
|
// Check for sequences
|
|
while (preg_match('/\[([^{}\[\]]+)\]/U',$inline,$matchseqs)) {
|
|
$seqs[] = $matchseqs[0];
|
|
$inline = preg_replace('/\[([^{}\[\]]+)\]/U', ('YAMLSeq' . (count($seqs) - 1) . 's'), $inline, 1);
|
|
}
|
|
|
|
// Check for mappings
|
|
while (preg_match('/{([^\[\]{}]+)}/U',$inline,$matchmaps)) {
|
|
$maps[] = $matchmaps[0];
|
|
$inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1);
|
|
}
|
|
|
|
if ($i++ >= 10) break;
|
|
|
|
} while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false);
|
|
|
|
$explode = explode(', ',$inline);
|
|
$stringi = 0; $i = 0;
|
|
|
|
while (1) {
|
|
|
|
// Re-add the sequences
|
|
if (!empty($seqs)) {
|
|
foreach ($explode as $key => $value) {
|
|
if (strpos($value,'YAMLSeq') !== false) {
|
|
foreach ($seqs as $seqk => $seq) {
|
|
$explode[$key] = str_replace(('YAMLSeq'.$seqk.'s'),$seq,$value);
|
|
$value = $explode[$key];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Re-add the mappings
|
|
if (!empty($maps)) {
|
|
foreach ($explode as $key => $value) {
|
|
if (strpos($value,'YAMLMap') !== false) {
|
|
foreach ($maps as $mapk => $map) {
|
|
$explode[$key] = str_replace(('YAMLMap'.$mapk.'s'), $map, $value);
|
|
$value = $explode[$key];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Re-add the strings
|
|
if (!empty($saved_strings)) {
|
|
foreach ($explode as $key => $value) {
|
|
while (strpos($value,'YAMLString') !== false) {
|
|
$explode[$key] = preg_replace('/YAMLString/',$saved_strings[$stringi],$value, 1);
|
|
unset($saved_strings[$stringi]);
|
|
++$stringi;
|
|
$value = $explode[$key];
|
|
}
|
|
}
|
|
}
|
|
|
|
$finished = true;
|
|
foreach ($explode as $key => $value) {
|
|
if (strpos($value,'YAMLSeq') !== false) {
|
|
$finished = false; break;
|
|
}
|
|
if (strpos($value,'YAMLMap') !== false) {
|
|
$finished = false; break;
|
|
}
|
|
if (strpos($value,'YAMLString') !== false) {
|
|
$finished = false; break;
|
|
}
|
|
}
|
|
if ($finished) break;
|
|
|
|
$i++;
|
|
if ($i > 10)
|
|
break; // Prevent infinite loops.
|
|
}
|
|
|
|
return $explode;
|
|
}
|
|
|
|
private function literalBlockContinues ($line, $lineIndent) {
|
|
if (!trim($line)) return true;
|
|
if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true;
|
|
return false;
|
|
}
|
|
|
|
private function referenceContentsByAlias ($alias) {
|
|
do {
|
|
if (!isset($this->SavedGroups[$alias])) { echo "Bad group name: $alias."; break; }
|
|
$groupPath = $this->SavedGroups[$alias];
|
|
$value = $this->result;
|
|
foreach ($groupPath as $k) {
|
|
$value = $value[$k];
|
|
}
|
|
} while (false);
|
|
return $value;
|
|
}
|
|
|
|
private function addArrayInline ($array, $indent) {
|
|
$CommonGroupPath = $this->path;
|
|
if (empty ($array)) return false;
|
|
|
|
foreach ($array as $k => $_) {
|
|
$this->addArray(array($k => $_), $indent);
|
|
$this->path = $CommonGroupPath;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private function addArray ($incoming_data, $incoming_indent) {
|
|
|
|
// print_r ($incoming_data);
|
|
|
|
if (count ($incoming_data) > 1)
|
|
return $this->addArrayInline ($incoming_data, $incoming_indent);
|
|
|
|
$key = key ($incoming_data);
|
|
$value = isset($incoming_data[$key]) ? $incoming_data[$key] : null;
|
|
if ($key === '__!YAMLZero') $key = '0';
|
|
|
|
if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values.
|
|
if ($key || $key === '' || $key === '0') {
|
|
$this->result[$key] = $value;
|
|
} else {
|
|
$this->result[] = $value; end ($this->result); $key = key ($this->result);
|
|
}
|
|
$this->path[$incoming_indent] = $key;
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
$history = array();
|
|
// Unfolding inner array tree.
|
|
$history[] = $_arr = $this->result;
|
|
foreach ($this->path as $k) {
|
|
$history[] = $_arr = $_arr[$k];
|
|
}
|
|
|
|
if ($this->_containsGroupAlias) {
|
|
$value = $this->referenceContentsByAlias($this->_containsGroupAlias);
|
|
$this->_containsGroupAlias = false;
|
|
}
|
|
|
|
|
|
// Adding string or numeric key to the innermost level or $this->arr.
|
|
if (is_string($key) && $key == '<<') {
|
|
if (!is_array ($_arr)) { $_arr = array (); }
|
|
|
|
$_arr = array_merge ($_arr, $value);
|
|
} else if ($key || $key === '' || $key === '0') {
|
|
$_arr[$key] = $value;
|
|
} else {
|
|
if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; }
|
|
else { $_arr[] = $value; end ($_arr); $key = key ($_arr); }
|
|
}
|
|
|
|
$reverse_path = array_reverse($this->path);
|
|
$reverse_history = array_reverse ($history);
|
|
$reverse_history[0] = $_arr;
|
|
$cnt = count($reverse_history) - 1;
|
|
for ($i = 0; $i < $cnt; $i++) {
|
|
$reverse_history[$i+1][$reverse_path[$i]] = $reverse_history[$i];
|
|
}
|
|
$this->result = $reverse_history[$cnt];
|
|
|
|
$this->path[$incoming_indent] = $key;
|
|
|
|
if ($this->_containsGroupAnchor) {
|
|
$this->SavedGroups[$this->_containsGroupAnchor] = $this->path;
|
|
if (is_array ($value)) {
|
|
$k = key ($value);
|
|
if (!is_int ($k)) {
|
|
$this->SavedGroups[$this->_containsGroupAnchor][$incoming_indent + 2] = $k;
|
|
}
|
|
}
|
|
$this->_containsGroupAnchor = false;
|
|
}
|
|
|
|
}
|
|
|
|
private static function startsLiteralBlock ($line) {
|
|
$lastChar = substr (trim($line), -1);
|
|
if ($lastChar != '>' && $lastChar != '|') return false;
|
|
if ($lastChar == '|') return $lastChar;
|
|
// HTML tags should not be counted as literal blocks.
|
|
if (preg_match ('#<.*?>$#', $line)) return false;
|
|
return $lastChar;
|
|
}
|
|
|
|
private static function greedilyNeedNextLine($line) {
|
|
$line = trim ($line);
|
|
if (!strlen($line)) return false;
|
|
if (substr ($line, -1, 1) == ']') return false;
|
|
if ($line[0] == '[') return true;
|
|
if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true;
|
|
return false;
|
|
}
|
|
|
|
private function addLiteralLine ($literalBlock, $line, $literalBlockStyle) {
|
|
$line = self::stripIndent($line);
|
|
$line = rtrim ($line, "\r\n\t ") . "\n";
|
|
if ($literalBlockStyle == '|') {
|
|
return $literalBlock . $line;
|
|
}
|
|
if (strlen($line) == 0)
|
|
return rtrim($literalBlock, ' ') . "\n";
|
|
if ($line == "\n" && $literalBlockStyle == '>') {
|
|
return rtrim ($literalBlock, " \t") . "\n";
|
|
}
|
|
if ($line != "\n")
|
|
$line = trim ($line, "\r\n ") . " ";
|
|
return $literalBlock . $line;
|
|
}
|
|
|
|
function revertLiteralPlaceHolder ($lineArray, $literalBlock) {
|
|
foreach ($lineArray as $k => $_) {
|
|
if (is_array($_))
|
|
$lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock);
|
|
else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder)
|
|
$lineArray[$k] = rtrim ($literalBlock, " \r\n");
|
|
}
|
|
return $lineArray;
|
|
}
|
|
|
|
private static function stripIndent ($line, $indent = -1) {
|
|
if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line));
|
|
return substr ($line, $indent);
|
|
}
|
|
|
|
private function getParentPathByIndent ($indent) {
|
|
if ($indent == 0) return array();
|
|
$linePath = $this->path;
|
|
do {
|
|
end($linePath); $lastIndentInParentPath = key($linePath);
|
|
if ($indent <= $lastIndentInParentPath) array_pop ($linePath);
|
|
} while ($indent <= $lastIndentInParentPath);
|
|
return $linePath;
|
|
}
|
|
|
|
|
|
private function clearBiggerPathValues ($indent) {
|
|
|
|
|
|
if ($indent == 0) $this->path = array();
|
|
if (empty ($this->path)) return true;
|
|
|
|
foreach ($this->path as $k => $_) {
|
|
if ($k > $indent) unset ($this->path[$k]);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
private static function isComment ($line) {
|
|
if (!$line) return false;
|
|
if ($line[0] == '#') return true;
|
|
if (trim($line, " \r\n\t") == '---') return true;
|
|
return false;
|
|
}
|
|
|
|
private static function isEmpty ($line) {
|
|
return (trim ($line) === '');
|
|
}
|
|
|
|
|
|
private function isArrayElement ($line) {
|
|
if (!$line) return false;
|
|
if ($line[0] != '-') return false;
|
|
if (strlen ($line) > 3)
|
|
if (substr($line,0,3) == '---') return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
private function isHashElement ($line) {
|
|
return strpos($line, ':');
|
|
}
|
|
|
|
private function isLiteral ($line) {
|
|
if ($this->isArrayElement($line)) return false;
|
|
if ($this->isHashElement($line)) return false;
|
|
return true;
|
|
}
|
|
|
|
|
|
private static function unquote ($value) {
|
|
if (!$value) return $value;
|
|
if (!is_string($value)) return $value;
|
|
if ($value[0] == '\'') return trim ($value, '\'');
|
|
if ($value[0] == '"') return trim ($value, '"');
|
|
return $value;
|
|
}
|
|
|
|
private function startsMappedSequence ($line) {
|
|
return ($line[0] == '-' && substr ($line, -1, 1) == ':');
|
|
}
|
|
|
|
private function returnMappedSequence ($line) {
|
|
$array = array();
|
|
$key = self::unquote(trim(substr($line,1,-1)));
|
|
$array[$key] = array();
|
|
$this->delayedPath = array(strpos ($line, $key) + $this->indent => $key);
|
|
return array($array);
|
|
}
|
|
|
|
private function returnMappedValue ($line) {
|
|
$array = array();
|
|
$key = self::unquote (trim(substr($line,0,-1)));
|
|
$array[$key] = '';
|
|
return $array;
|
|
}
|
|
|
|
private function startsMappedValue ($line) {
|
|
return (substr ($line, -1, 1) == ':');
|
|
}
|
|
|
|
private function isPlainArray ($line) {
|
|
return ($line[0] == '[' && substr ($line, -1, 1) == ']');
|
|
}
|
|
|
|
private function returnPlainArray ($line) {
|
|
return $this->_toType($line);
|
|
}
|
|
|
|
private function returnKeyValuePair ($line) {
|
|
$array = array();
|
|
$key = '';
|
|
if (strpos ($line, ':')) {
|
|
// It's a key/value pair most likely
|
|
// If the key is in double quotes pull it out
|
|
if (($line[0] == '"' || $line[0] == "'") && preg_match('/^(["\'](.*)["\'](\s)*:)/',$line,$matches)) {
|
|
$value = trim(str_replace($matches[1],'',$line));
|
|
$key = $matches[2];
|
|
} else {
|
|
// Do some guesswork as to the key and the value
|
|
$explode = explode(':',$line);
|
|
$key = trim($explode[0]);
|
|
array_shift($explode);
|
|
$value = trim(implode(':',$explode));
|
|
}
|
|
// Set the type of the value. Int, string, etc
|
|
$value = $this->_toType($value);
|
|
if ($key === '0') $key = '__!YAMLZero';
|
|
$array[$key] = $value;
|
|
} else {
|
|
$array = array ($line);
|
|
}
|
|
return $array;
|
|
|
|
}
|
|
|
|
|
|
private function returnArrayElement ($line) {
|
|
if (strlen($line) <= 1) return array(array()); // Weird %)
|
|
$array = array();
|
|
$value = trim(substr($line,1));
|
|
$value = $this->_toType($value);
|
|
$array[] = $value;
|
|
return $array;
|
|
}
|
|
|
|
|
|
private function nodeContainsGroup ($line) {
|
|
$symbolsForReference = 'A-z0-9_\-';
|
|
if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-)
|
|
if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
|
|
if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
|
|
if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1];
|
|
if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1];
|
|
if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1];
|
|
return false;
|
|
|
|
}
|
|
|
|
private function addGroup ($line, $group) {
|
|
if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1);
|
|
if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1);
|
|
//print_r ($this->path);
|
|
}
|
|
|
|
private function stripGroup ($line, $group) {
|
|
$line = trim(str_replace($group, '', $line));
|
|
return $line;
|
|
}
|
|
}
|
|
|
|
// Enable use of Spyc from command line
|
|
// The syntax is the following: php spyc.php spyc.yaml
|
|
|
|
define ('SPYC_FROM_COMMAND_LINE', false);
|
|
|
|
do {
|
|
if (!SPYC_FROM_COMMAND_LINE) break;
|
|
if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break;
|
|
if (empty ($_SERVER['PHP_SELF']) || $_SERVER['PHP_SELF'] != 'spyc.php') break;
|
|
$file = $argv[1];
|
|
printf ("Spyc loading file: %s\n", $file);
|
|
print_r (spyc_load_file ($file));
|
|
} while (0); |