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MhchemStateMachines.php
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<?php
/**
* Copyright (c) 2023 Johannes Stegmüller
*
* This file is a port of mhchemParser originally authored by Martin Hensel in javascript/typescript.
* The original license for this software can be found in the accompanying LICENSE.mhchemParser-ts.txt file.
*/
declare( strict_types = 1 );
namespace MediaWiki\Extension\Math\WikiTexVC\Mhchem;
use Closure;
use MediaWiki\Extension\Math\WikiTexVC\MHChem\MhchemUtil as MU;
use RuntimeException;
/**
* Contains all state machines (~l.506) and genericActions (~l.465) as well as the mhchemCreateTransitions (~l.47)
* function.
* These can be found in the mentioned lines in mhchemParser.js by Martin Hensel.
*
* Notes:
* PhanParamTooMany and PhanParamTooFew warnings are suppressed in some cases.
* These are known false positive warnings for closure call from array with constant keys.
* https://github.com/phan/phan/issues/4579
*
* @author Johannes Stegmüller
* @license GPL-2.0-or-later
*/
class MhchemStateMachines {
/** @var array|array[] */
public array $stateMachines;
/**
* @var array|Closure[]
*/
private array $genericActions;
/** @var MhchemParser */
private MhchemParser $mhchemParser;
private static function mhchemCreateTransitions( array $o ): array {
$transitions = [];
// 1. Collect all states
foreach ( $o as $pattern => $d1 ) {
foreach ( $d1 as $state => $d2 ) {
$stateArray = preg_split( "/\|/", strval( $state ), -1, PREG_SPLIT_NO_EMPTY );
$o[$pattern][$state]["stateArray"] = $stateArray;
for ( $i = 0; $i < count( $stateArray ); $i++ ) {
$transitions[$stateArray[$i]] = [];
}
}
}
// 2. Fill states
foreach ( $o as $pattern => $d1 ) {
foreach ( $d1 as $d2 ) {
$stateArray = $d2["stateArray"] ?? [];
for ( $i = 0; $i < count( $stateArray ); $i++ ) {
// 2a. Normalize actions into array: 'text=' ==> [{type_:'text='}]
$p = $d2;
if ( is_string( $p["action_"] ) ) {
$p["action_"] = [ $p["action_"] ];
}
$p["action_"] = array_merge( [], $p["action_"] );
foreach ( $p["action_"] as $key => $action ) {
if ( is_string( $action ) ) {
$p["action_"][$key] = [ "type_" => $p["action_"][$key] ];
}
}
// 2.b Multi-insert
$patternArray = preg_split( "/\|/", strval( $pattern ), -1, PREG_SPLIT_NO_EMPTY );
for ( $j = 0; $j < count( $patternArray ); $j++ ) {
if ( $stateArray[$i] === '*' ) {
// insert into all
foreach ( $transitions as $t => $dEmpty ) {
$transitions[$t][] = [ "pattern" => $patternArray[$j], "task" => $p ];
}
} else {
$transitions[$stateArray[$i]][] = [ "pattern" => $patternArray[$j], "task" => $p ];
}
}
}
}
}
return $transitions;
}
/**
* @return array
*/
public function getGenericActions(): array {
return $this->genericActions;
}
/**
* Initialize arrays for genericActions and StateMachines with mhchemCreateTransitions.
* @param-taint $mhchemParser none
*/
public function __construct( MhchemParser $mhchemParser ) {
$this->mhchemParser = $mhchemParser;
$this->genericActions = [
'a=' => static function ( &$buffer, $m ) {
$buffer["a"] = ( $buffer["a"] ?? "" ) . $m;
return null;
},
'b=' => static function ( &$buffer, $m ) {
$buffer["b"] = ( $buffer["b"] ?? "" ) . $m;
return null;
},
'p=' => static function ( &$buffer, $m ) {
$buffer["p"] = ( $buffer["p"] ?? "" ) . $m;
return null;
},
'o=' => static function ( &$buffer, $m ) {
$buffer["o"] = ( $buffer["o"] ?? "" ) . $m;
return null;
},
'o=+p1' => static function ( &$buffer, $m, $a ) {
$buffer["o"] = ( $buffer["o"] ?? "" ) . $a;
return null;
},
'q=' => static function ( &$buffer, $m ) {
$buffer["q"] = ( $buffer["q"] ?? "" ) . $m;
return null;
},
'd=' => static function ( &$buffer, $m ) {
$buffer["d"] = ( $buffer["d"] ?? "" ) . $m;
return null;
},
'rm=' => static function ( &$buffer, $m ) {
$buffer["rm"] = ( $buffer["rm"] ?? "" ) . $m;
return null;
},
'text=' => static function ( &$buffer, $m ) {
$buffer["text_"] = ( $buffer["text_"] ?? "" ) . $m;
return null;
},
'insert' => static function ( &$_buffer, $_m, string $a ) {
return [ "type_" => $a ];
},
'insert+p1' => static function ( &$_buffer, $m, $a ) {
return [ "type_" => $a, "p1" => $m ];
},
'insert+p1+p2' => static function ( &$_buffer, $m, $a ) {
return [ "type_" => $a, "p1" => $m[0], "p2" => $m[1] ];
},
'copy' => static function ( &$_buffer, $m ) {
return $m;
},
'write' => static function ( &$_buffer, $_m, string $a ) {
return $a;
},
'rm' => static function ( &$_buffer, $m ) {
return [ "type_" => 'rm', "p1" => $m ];
},
'text' => function ( &$_buffer, $m ) {
return $this->mhchemParser->go( $m, 'text' );
},
'tex-math' => function ( &$_buffer, $m ) {
return $this->mhchemParser->go( $m, 'tex-math' );
},
'tex-math tight' => function ( &$_buffer, $m ) {
return $this->mhchemParser->go( $m, 'tex-math tight' );
},
'bond' => static function ( &$_buffer, $m, $k ) {
// ?? ok ?
return [ "type_" => 'bond', "kind_" => $k ?? $m ];
},
'color0-output' => static function ( &$_buffer, $m ) {
return [ "type_" => 'color0', "color" => $m ];
},
'ce' => function ( &$_buffer, $m ) {
return $this->mhchemParser->go( $m, 'ce' );
},
'pu' => function ( &$_buffer, $m ) {
return $this->mhchemParser->go( $m, 'pu' );
},
'1/2' => static function ( &$_buffer, $m ) {
$ret = [];
if ( preg_match( "/^[+\-]/", $m ) ) {
$ret[] = substr( $m, 0, 1 );
$m = substr( $m, 1 );
}
$matches = [];
$n = preg_match( "/^([0-9]+|\\\$[a-z]\\\$|[a-z])\/([0-9]+)(\\\$[a-z]\\\$|[a-z])?$/",
$m, $matches );
if ( !$n || count( $matches ) < 3 ) {
throw new RuntimeException( "No Result by regex in '1/2' genericAction" );
}
$matches[1] = preg_replace( "/\\\$/", "", $matches[1] );
$ret[] = [ "type_" => 'frac', "p1" => $matches[1], "p2" => $matches[2] ];
if ( isset( $matches[3] ) ) {
$matches[3] = preg_replace( "/\\\$/", "", $matches[3] );
$ret[] = [ "type_" => 'tex-math', "p1" => $matches[3] ];
}
return $ret;
},
'9,9' => function ( &$_buffer, $m ) {
return $this->mhchemParser->go( $m, '9,9' );
}
];
$this->stateMachines = [
"tex" => [
"transitions" => self::mhchemCreateTransitions( [
"empty" => [ "0" => [ "action_" => [ "copy" ] ] ],
"\\ce{(...)}" => [ "0" => [ "action_" => [ [ "type_" => "write", "option" => "{" ],
"ce", [ "type_" => "write", "option" => "}" ] ] ] ],
"\\pu{(...)}" => [ "0" => [ "action_" => [ [ "type_" => "write", "option" => "{" ],
"pu", [ "type_" => "write", "option" => "}" ] ] ] ],
"else" => [ "0" => [ "action_" => [ "copy" ] ] ]
] ),
"actions" => []
],
"ce" => [
"transitions" => self::mhchemCreateTransitions( [
"empty" => [ "*" => [ "action_" => "output" ] ],
"else" => [ "0|1|2" => [ "action_" => "beginsWithBond=false",
"revisit" => true, "toContinue" => true ] ],
"oxidation$" => [ "0" => [ "action_" => 'oxidation-output' ] ],
"CMT" => [ 'r' => [ "action_" => "rdt=", "nextState" => "rt" ],
"rd" => [ "action_" => "rqt=", "nextState" => "rdt" ] ],
"arrowUpDown" => [ '0|1|2|as' =>
[ "action_" => [ 'sb=false', 'output', 'operator' ], "nextState" => '1' ] ],
"uprightEntities" => [ "0|1|2" => [ "action_" => [ 'o=', 'output' ], "nextState" => "1" ] ],
"orbital" => [ "0|1|2|3" => [ "action_" => "o=", "nextState" => "o" ] ],
"->" => [ "0|1|2|3" => [ "action_" => "r=", "nextState" => "r" ],
"a|as" => [ "action_" => [ 'output', 'r=' ], "nextState" => "r" ],
"*" => [ "action_" => [ 'output', 'r=' ], "nextState" => "r" ] ],
"+" => [
"o" => [ "action_" => "d= kv", "nextState" => "d" ],
"d|D" => [ "action_" => 'd=', "nextState" => 'd' ],
"q" => [ "action_" => 'd=', "nextState" => 'qd' ],
"qd|qD" => [ "action_" => 'd=', "nextState" => 'qd' ],
"dq" => [ "action_" => [ 'output', 'd=' ], "nextState" => 'd' ],
"3" => [ "action_" => [ 'sb=false', 'output', 'operator' ], "nextState" => '0' ],
],
"amount" => [ "0|2" => [ "action_" => "a=", "nextState" => "a" ] ],
"pm-operator" => [ "0|1|2|a|as" => [ "action_" => [ 'sb=false', 'output',
[ "type_" => 'operator', "option" => '\\pm' ] ], "nextState" => '0' ] ],
"operator" => [ "0|1|2|a|as" =>
[ "action_" => [ 'sb=false', 'output', 'operator' ], "nextState" => '0' ] ],
"-$" => [
"o|q" => [ "action_" => [ 'charge or bond', 'output' ], "nextState" => 'qd' ],
"d" => [ "action_" => 'd=', "nextState" => 'd' ],
"D" => [ "action_" => [ 'output', [ "type_" => "bond",
"option" => "-" ] ], "nextState" => '3' ],
"q" => [ "action_" => 'd=', "nextState" => 'qd' ],
"qd" => [ "action_" => 'd=', "nextState" => 'qd' ],
"qD|dq" => [ "action_" => [ 'output',
[ "type_" => "bond", "option" => "-" ] ], "nextState" => '3' ]
],
"-9" => [ "3|o" => [ "action_" =>
[ 'output', [ "type_" => "insert", "option" => "hyphen" ] ], "nextState" => '3' ] ],
'- orbital overlap' => [
'o' => [ "action_" => [ 'output',
[ "type_" => 'insert', "option" => 'hyphen' ] ], "nextState" => '2' ],
'd' => [ "action_" => [ 'output',
[ "type_" => 'insert', "option" => 'hyphen' ] ], "nextState" => '2' ] ],
'-' => [
'0|1|2' => [ "action_" => [ [ "type_" => 'output', "option" => 1 ],
'beginsWithBond=true', [ "type_" => 'bond', "option" => "-" ] ], "nextState" => '3' ],
'3' => [ "action_" => [ [ "type_" => 'bond', "option" => "-" ] ] ],
'a' => [ "action_" => [ 'output',
[ "type_" => 'insert', "option" => 'hyphen' ] ], "nextState" => '2' ],
'as' => [ "action_" => [ [ "type_" => 'output', "option" => 2 ],
[ "type_" => 'bond', "option" => "-" ] ], "nextState" => '3' ],
'b' => [ "action_" => 'b=' ],
'o' => [ "action_" => [ [ "type_" => '- after o/d', "option" => false ] ], "nextState" => '2' ],
'q' => [ "action_" => [ [ "type_" => '- after o/d', "option" => false ] ], "nextState" => '2' ],
'd|qd|dq' => [ "action_" =>
[ [ "type_" => '- after o/d', "option" => true ] ], "nextState" => '2' ],
'D|qD|p' => [ "action_" =>
[ 'output', [ "type_" => 'bond', "option" => "-" ] ], "nextState" => '3' ] ],
'amount2' => [
'1|3' => [ "action_" => 'a=', "nextState" => 'a' ] ],
'letters' => [
'0|1|2|3|a|as|b|p|bp|o' => [ "action_" => 'o=', "nextState" => 'o' ],
'q|dq' => [ "action_" => [ 'output', 'o=' ], "nextState" => 'o' ],
'd|D|qd|qD' => [ "action_" => 'o after d', "nextState" => 'o' ] ],
'digits' => [
'o' => [ "action_" => 'q=', "nextState" => 'q' ],
'd|D' => [ "action_" => 'q=', "nextState" => 'dq' ],
'q' => [ "action_" => [ 'output', 'o=' ], "nextState" => 'o' ],
'a' => [ "action_" => 'o=', "nextState" => 'o' ] ],
'space A' => [
'b|p|bp' => [ "action_" => [] ] ],
'space' => [
'a' => [ "action_" => [], "nextState" => 'as' ],
'0' => [ "action_" => 'sb=false' ],
'1|2' => [ "action_" => 'sb=true' ],
'r|rt|rd|rdt|rdq' => [ "action_" => 'output', "nextState" => '0' ],
'*' => [ "action_" => [ 'output', 'sb=true' ], "nextState" => '1' ] ],
'1st-level escape' => [
'1|2' => [ "action_" => [ 'output',
[ "type_" => 'insert+p1', "option" => '1st-level escape' ] ] ],
'*' => [ "action_" => [ 'output',
[ "type_" => 'insert+p1', "option" => '1st-level escape' ] ], "nextState" => '0' ] ],
'[(...)]' => [
'r|rt' => [ "action_" => 'rd=', "nextState" => 'rd' ],
'rd|rdt' => [ "action_" => 'rq=', "nextState" => 'rdq' ] ],
'...' => [
'o|d|D|dq|qd|qD' => [ "action_" =>
[ 'output', [ "type_" => 'bond', "option" => "..." ] ], "nextState" => '3' ],
'*' => [ "action_" => [ [ "type_" => 'output', "option" => 1 ],
[ "type_" => 'insert', "option" => 'ellipsis' ] ], "nextState" => '1' ] ],
'. __* ' => [
'*' => [ "action_" => [ 'output',
[ "type_" => 'insert', "option" => 'addition compound' ] ], "nextState" => '1' ] ],
'state of aggregation $' => [
'*' => [ "action_" => [ 'output', 'state of aggregation' ], "nextState" => '1' ] ],
'{[(' => [
'a|as|o' => [ "action_" => [ 'o=', 'output', 'parenthesisLevel++' ], "nextState" => '2' ],
'0|1|2|3' => [ "action_" => [ 'o=', 'output', 'parenthesisLevel++' ], "nextState" => '2' ],
'*' => [ "action_" =>
[ 'output', 'o=', 'output', 'parenthesisLevel++' ], "nextState" => '2' ] ],
')]}' => [
'0|1|2|3|b|p|bp|o' => [ "action_" => [ 'o=', 'parenthesisLevel--' ], "nextState" => 'o' ],
'a|as|d|D|q|qd|qD|dq' =>
[ "action_" => [ 'output', 'o=', 'parenthesisLevel--' ], "nextState" => 'o' ] ],
', ' => [
'*' => [ "action_" => [ 'output', 'comma' ], "nextState" => '0' ] ],
'^_' => [
'*' => [ "action_" => [] ] ],
'^{(...)}|^($...$)' => [
'0|1|2|as' => [ "action_" => 'b=', "nextState" => 'b' ],
'p' => [ "action_" => 'b=', "nextState" => 'bp' ],
'3|o' => [ "action_" => 'd= kv', "nextState" => 'D' ],
'q' => [ "action_" => 'd=', "nextState" => 'qD' ],
'd|D|qd|qD|dq' => [ "action_" => [ 'output', 'd=' ], "nextState" => 'D' ] ],
'^a|^\\x{}{}|^\\x{}|^\\x|\'' => [
'0|1|2|as' => [ "action_" => 'b=', "nextState" => 'b' ],
'p' => [ "action_" => 'b=', "nextState" => 'bp' ],
'3|o' => [ "action_" => 'd= kv', "nextState" => 'd' ],
'q' => [ "action_" => 'd=', "nextState" => 'qd' ],
'd|qd|D|qD' => [ "action_" => 'd=' ],
'dq' => [ "action_" => [ 'output', 'd=' ], "nextState" => 'd' ] ],
'_{(state of aggregation)}$' => [
'd|D|q|qd|qD|dq' => [ "action_" => [ 'output', 'q=' ], "nextState" => 'q' ] ],
'_{(...)}|_($...$)|_9|_\\x{}{}|_\\x{}|_\\x' => [
'0|1|2|as' => [ "action_" => 'p=', "nextState" => 'p' ],
'b' => [ "action_" => 'p=', "nextState" => 'bp' ],
'3|o' => [ "action_" => 'q=', "nextState" => 'q' ],
'd|D' => [ "action_" => 'q=', "nextState" => 'dq' ],
'q|qd|qD|dq' => [ "action_" => [ 'output', 'q=' ], "nextState" => 'q' ] ],
'=<>' => [
'0|1|2|3|a|as|o|q|d|D|qd|qD|dq' => [ "action_" =>
[ [ "type_" => 'output', "option" => 2 ], 'bond' ], "nextState" => '3' ] ],
'#' => [
'0|1|2|3|a|as|o' => [ "action_" => [ [ "type_" => 'output', "option" => 2 ],
[ "type_" => 'bond', "option" => "#" ] ], "nextState" => '3' ] ],
'{}^' => [
'*' => [ "action_" => [ [ "type_" => 'output', "option" => 1 ],
[ "type_" => 'insert', "option" => 'tinySkip' ] ], "nextState" => '1' ] ],
'{}' => [
'*' => [ "action_" => [ [ "type_" => 'output', "option" => 1 ] ], "nextState" => '1' ] ],
'{...}' => [
'0|1|2|3|a|as|b|p|bp' => [ "action_" => 'o=', "nextState" => 'o' ],
'o|d|D|q|qd|qD|dq' => [ "action_" => [ 'output', 'o=' ], "nextState" => 'o' ] ],
'$...$' => [
'a' => [ "action_" => 'a=' ],
'0|1|2|3|as|b|p|bp|o' => [ "action_" => 'o=', "nextState" => 'o' ],
'as|o' => [ "action_" => 'o=' ],
'q|d|D|qd|qD|dq' => [ "action_" => [ 'output', 'o=' ], "nextState" => 'o' ] ],
'\\bond{(...)}' => [
'*' => [ "action_" => [
[ "type_" => 'output', "option" => 2 ], 'bond' ], "nextState" => "3" ] ],
'\\frac{(...)}' => [
'*' => [ "action_" => [
[ "type_" => 'output', "option" => 1 ], 'frac-output' ], "nextState" => '3' ] ],
'\\overset{(...)}' => [
'*' => [ "action_" => [
[ "type_" => 'output', "option" => 2 ], 'overset-output' ], "nextState" => '3' ] ],
'\\underset{(...)}' => [
'*' => [ "action_" => [
[ "type_" => 'output', "option" => 2 ], 'underset-output' ], "nextState" => '3' ] ],
'\\underbrace{(...)}' => [
'*' => [ "action_" => [
[ "type_" => 'output', "option" => 2 ], 'underbrace-output' ], "nextState" => '3' ] ],
'\\color{(...)}{(...)}' => [
'*' => [ "action_" => [
[ "type_" => 'output', "option" => 2 ], 'color-output' ], "nextState" => '3' ] ],
'\\color{(...)}' => [
'*' => [ "action_" => [ [ "type_" => 'output', "option" => 2 ], 'color0-output' ] ] ],
'\\ce{(...)}' => [
'*' => [ "action_" => [ [ "type_" => 'output', "option" => 2 ], 'ce' ], "nextState" => '3' ] ],
'\\,' => [
'*' => [ "action_" => [
[ "type_" => 'output', "option" => 1 ], 'copy' ], "nextState" => '1' ] ],
'\\pu{(...)}' => [
'*' => [ "action_" => [ 'output', [ "type_" => 'write', "option" => "{" ],
'pu', [ "type_" => 'write', "option" => "}" ] ], "nextState" => '3' ] ],
'\\x{}{}|\\x{}|\\x' =>
[ '0|1|2|3|a|as|b|p|bp|o|c0' => [ "action_" => [ 'o=', 'output' ], "nextState" => '3' ],
'*' => [ "action_" => [ 'output', 'o=', 'output' ], "nextState" => '3' ] ],
'others' => [ '*' => [ "action_" =>
[ [ "type_" => 'output', "option" => 1 ], 'copy' ], "nextState" => '3' ] ],
'else2' => [ 'a' => [ "action_" => 'a to o', "nextState" => 'o', "revisit" => true ],
'as' => [ "action_" => [ 'output', 'sb=true' ], "nextState" => '1', "revisit" => true ],
'r|rt|rd|rdt|rdq' => [ "action_" => [ 'output' ], "nextState" => '0', "revisit" => true ],
'*' => [ "action_" => [ 'output', 'copy' ], "nextState" => '3' ] ]
] ),
"actions" => [
'o after d' => function ( &$buffer, $m ) {
if ( preg_match( "/^[1-9][0-9]*$/", $buffer['d'] ?? "" ) ) {
$tmp = $buffer["d"];
$buffer["d"] = null;
$ret = $this->stateMachines["ce"]["actions"]["output"]( $buffer, null, null );
$ret[] = [ "type_" => "tinySkip" ];
$buffer["b"] = $tmp;
} else {
$ret = $this->stateMachines["ce"]["actions"]["output"]( $buffer, null, null );
}
/** @phan-suppress-next-line PhanParamTooFew */
$this->genericActions['o=']( $buffer, $m );
return $ret;
},
'd= kv' => static function ( &$buffer, $m ) {
$buffer["d"] = $m;
$buffer["dType"] = "kv";
return null;
},
'charge or bond' => function ( &$buffer, $m ) {
if ( MhchemUtil::issetJS( $buffer['beginsWithBond'] ?? null ) ) {
$ret = [];
$im = $this->stateMachines["ce"]["actions"]["output"]( $buffer, null, null );
MhchemUtil::concatArray( $ret, $im );
/** @phan-suppress-next-line PhanParamTooMany */
MhchemUtil::concatArray( $ret, $this->genericActions['bond']( $buffer, $m, "-" ) );
return $ret;
} else {
$buffer["d"] = $m;
return null;
}
},
'- after o/d' => function ( &$buffer, $m, $isAfterD ) {
$c1 = $this->mhchemParser->getPatterns()->match( 'orbital', $buffer["o"] ?? "" );
$c2 = $this->mhchemParser->getPatterns()->match( 'one lowercase greek letter $',
$buffer["o"] ?? "" );
$c3 = $this->mhchemParser->getPatterns()->match( 'one lowercase latin letter $',
$buffer["o"] ?? "" );
$c4 = $this->mhchemParser->getPatterns()->match( '$one lowercase latin letter$ $',
$buffer["o"] ?? "" );
$hyphenFollows = $m === "-" && ( ( isset( $c1["remainder"] ) && $c1["remainder"] === "" )
|| $c2 !== null || $c3 !== null || $c4 !== null );
if ( $hyphenFollows && !isset( $buffer["a"] ) && !isset( $buffer["b"] )
&& !isset( $buffer["p"] ) && !isset( $buffer["d"] )
&& !isset( $buffer["q"] ) && !$c1 && $c3 ) {
$buffer["o"] = '$' . $buffer["o"] . '$';
}
$ret = [];
if ( $hyphenFollows ) {
$im = $this->stateMachines["ce"]["actions"]["output"]( $buffer, null, null );
MhchemUtil::concatArray( $ret, $im );
$ret[] = [ "type_" => 'hyphen' ];
} else {
$c1 = $this->mhchemParser->getPatterns()->match( 'digits', $buffer["d"] ?? "" );
if ( $isAfterD && isset( $c1["remainder"] ) && $c1["remainder"] === '' ) {
/** @phan-suppress-next-line PhanParamTooFew */
MhchemUtil::concatArray( $ret, $this->genericActions['d=']( $buffer, $m ) );
$im = $this->stateMachines["ce"]["actions"]["output"]( $buffer, null, null );
MhchemUtil::concatArray( $ret, $im );
} else {
$im = $this->stateMachines["ce"]["actions"]["output"]( $buffer, null, null );
MhchemUtil::concatArray( $ret, $im );
/** @phan-suppress-next-line PhanParamTooMany */
MhchemUtil::concatArray( $ret, $this->genericActions['bond']( $buffer, $m, "-" ) );
}
}
return $ret;
},
'a to o' => static function ( &$buffer ) {
$buffer["o"] = $buffer["a"];
$buffer["a"] = null;
return null;
},
'sb=true' => static function ( &$buffer ) {
$buffer["sb"] = true;
return null;
},
'sb=false' => static function ( &$buffer ) {
$buffer["sb"] = false;
return null;
},
'beginsWithBond=true' => static function ( &$buffer ) {
$buffer['beginsWithBond'] = true;
return null;
},
'beginsWithBond=false' => static function ( &$buffer ) {
$buffer['beginsWithBond'] = false;
return null;
},
'parenthesisLevel++' => static function ( &$buffer ) {
$buffer['parenthesisLevel']++;
return null;
},
'parenthesisLevel--' => static function ( &$buffer ) {
$buffer['parenthesisLevel']--;
return null;
},
'state of aggregation' => function ( $_buffer, $m ) {
return [ "type_" => 'state of aggregation',
"p1" => $this->mhchemParser->go( $m, 'o' ) ];
},
'comma' => static function ( $buffer, $m ) {
// $a = preg_replace('/\s*$/', '', $m); tbd: final check if using rtrim is ok
$a = rtrim( $m );
$withSpace = ( $a !== $m );
if ( $withSpace && $buffer['parenthesisLevel'] === 0 ) {
return [ "type_" => 'comma enumeration L', "p1" => $a ];
} else {
return [ "type_" => 'comma enumeration M', "p1" => $a ];
}
},
'output' => function ( &$buffer, $_m, $entityFollows ) {
if ( !isset( $buffer["r"] ) ) {
$ret = [];
if ( !isset( $buffer["a"] ) && !isset( $buffer["b"] ) && !isset( $buffer["p"] )
&& !isset( $buffer["o"] ) && !isset( $buffer["q"] )
&& !isset( $buffer["d"] ) && !$entityFollows ) {
// do nothing.
} else {
if ( MhchemUtil::issetJS( $buffer["sb"] ?? null ) ) {
$ret[] = [ "type_" => 'entitySkip' ];
}
if ( !isset( $buffer["o"] ) && !isset( $buffer["q"] ) && !isset( $buffer["d"] )
&& !isset( $buffer["b"] ) && !isset( $buffer["p"] ) && $entityFollows !== 2 ) {
$buffer["o"] = $buffer["a"] ?? null;
$buffer["a"] = null;
} elseif ( !isset( $buffer["o"] ) && !isset( $buffer["q"] ) && !isset( $buffer["d"] )
&& ( isset( $buffer["b"] ) || isset( $buffer["p"] ) ) ) {
$buffer["o"] = $buffer["a"] ?? null;
$buffer["d"] = $buffer["b"] ?? null;
$buffer["q"] = $buffer["p"] ?? null;
$buffer["a"] = $buffer["b"] = $buffer["p"] = null;
} else {
if ( isset( $buffer["o"] ) && isset( $buffer["dType"] ) && $buffer["dType"] === 'kv'
&& $this->mhchemParser->getPatterns()->match( 'd-oxidation$',
$buffer["d"] ?? "" ) ) {
$buffer["dType"] = 'oxidation';
} elseif ( isset( $buffer["o"] ) && isset( $buffer["dType"] )
&& $buffer["dType"] === 'kv' && !isset( $buffer["q"] ) ) {
$buffer["dType"] = null;
}
}
$retIm = [
"type_" => 'chemfive',
"a" => $this->mhchemParser->go( $buffer["a"] ?? null, 'a' ),
"b" => $this->mhchemParser->go( $buffer["b"] ?? null, 'bd' ),
"p" => $this->mhchemParser->go( $buffer["p"] ?? null, 'pq' ),
"o" => $this->mhchemParser->go( $buffer["o"] ?? null, 'o' ),
"q" => $this->mhchemParser->go( $buffer["q"] ?? null, 'pq' ),
"d" => $this->mhchemParser->go( $buffer["d"] ?? null,
( isset( $buffer["dType"] )
&& $buffer["dType"] === 'oxidation' ? 'oxidation' : 'bd' ) ),
];
if ( isset( $buffer["dType"] ) ) {
$retIm["dType"] = $buffer["dType"];
}
$ret[] = $retIm;
}
} else {
if ( isset( $buffer["rdt"] ) && $buffer["rdt"] === 'M' ) {
$rd = $this->mhchemParser->go( $buffer["rd"], 'tex-math' );
} elseif ( isset( $buffer["rdt"] ) && $buffer["rdt"] === 'T' ) {
// tbd double array ok ?
$rd = [ [ "type_" => 'text', "p1" => $buffer["rd"] ?? "" ] ];
} else {
$rd = $this->mhchemParser->go( $buffer["rd"] ?? null, 'ce' );
}
if ( isset( $buffer["rqt"] ) && $buffer["rqt"] === 'M' ) {
$rq = $this->mhchemParser->go( $buffer["rq"], 'tex-math' );
} elseif ( isset( $buffer["rqt"] ) && $buffer["rqt"] === 'T' ) {
$rq = [ [ "type_" => 'text', "p1" => $buffer["rq"] ?? "" ] ];
} else {
$rq = $this->mhchemParser->go( $buffer["rq"] ?? null, 'ce' );
}
$ret = [
"type_" => 'arrow',
"r" => $buffer["r"],
"rd" => $rd,
"rq" => $rq
];
}
foreach ( $buffer as $key => $value ) {
if ( $key !== 'parenthesisLevel' && $key !== 'beginsWithBond' ) {
unset( $buffer[$key] );
}
}
return $ret;
},
'oxidation-output' => function ( $_buffer, $m ) {
$ret = [ "{" ];
MhchemUtil::concatArray( $ret, $this->mhchemParser->go( $m, 'oxidation' ) );
$ret[] = "}";
return $ret;
},
'frac-output' => function ( $_buffer, $m ) {
return [ "type_" => 'frac-ce',
"p1" => $this->mhchemParser->go( $m[0] ?? null, 'ce' ),
"p2" => $this->mhchemParser->go( $m[1] ?? null, 'ce' ) ];
},
'overset-output' => function ( $_buffer, $m ) {
return [ "type_" => 'overset',
"p1" => $this->mhchemParser->go( $m[0] ?? null, 'ce' ),
"p2" => $this->mhchemParser->go( $m[1] ?? null, 'ce' ) ];
},
'underset-output' => function ( $_buffer, $m ) {
return [ "type_" => 'underset',
"p1" => $this->mhchemParser->go( $m[0] ?? null, 'ce' ),
"p2" => $this->mhchemParser->go( $m[1] ?? null, 'ce' ) ];
},
'underbrace-output' => function ( $_buffer, $m ) {
return [ "type_" => 'underbrace',
"p1" => $this->mhchemParser->go( $m[0] ?? null, 'ce' ),
"p2" => $this->mhchemParser->go( $m[1] ?? null, 'ce' ) ];
},
'color-output' => function ( $_buffer, $m ) {
return [ "type_" => 'color', "color1" => $m[0] ?? null,
"color2" => $this->mhchemParser->go( $m[1] ?? null, 'ce' ) ];
},
'r=' => static function ( &$buffer, $m ) {
$buffer["r"] = $m;
return null;
},
'rdt=' => static function ( &$buffer, $m ) {
$buffer["rdt"] = $m;
return null;
},
'rd=' => static function ( &$buffer, $m ) {
$buffer["rd"] = $m;
return null;
},
'rqt=' => static function ( &$buffer, $m ) {
$buffer["rqt"] = $m;
return null;
},
'rq=' => static function ( &$buffer, $m ) {
$buffer["rq"] = $m;
return null;
},
'operator' => static function ( &$_buffer, $m, $p1 ) {
return [ "type_" => 'operator', "kind_" => ( $p1 ?: $m ) ];
},
],
],
'a' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'*' => [ "action_" => [] ]
],
'1/2$' => [
'0' => [ "action_" => '1/2' ]
],
'else' => [
'0' => [ "action_" => [], "nextState" => '1', "revisit" => true ]
],
'${(...)}$__$(...)$' => [
'*' => [ "action_" => 'tex-math tight', "nextState" => '1' ]
],
',' => [
'*' => [ "action_" => [ [ "type_" => 'insert', "option" => 'commaDecimal' ] ] ]
],
'else2' => [
'*' => [ "action_" => 'copy' ]
]
] ),
"actions" => []
],
'o' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'*' => [ "action_" => [] ]
],
'1/2$' => [
'0' => [ "action_" => '1/2' ]
],
'else' => [
'0' => [ "action_" => [], "nextState" => '1', "revisit" => true ]
],
'letters' => [
'*' => [ "action_" => 'rm' ]
],
'\\ca' => [
'*' => [ "action_" => [ [ "type_" => 'insert', "option" => 'circa' ] ] ]
],
'\\pu{(...)}' => [
'*' => [ "action_" => [ [ "type_" => 'write', "option" => "{" ],
'pu', [ "type_" => 'write', "option" => "}" ] ] ]
],
'\\x{}{}|\\x{}|\\x' => [
'*' => [ "action_" => 'copy' ]
],
'${(...)}$__$(...)$' => [
'*' => [ "action_" => 'tex-math' ]
],
'{(...)}' => [
'*' => [ "action_" => [ [ "type_" => 'write', "option" => "{" ],
'text', [ "type_" => 'write', "option" => "}" ] ] ]
],
'else2' => [
'*' => [ "action_" => 'copy' ]
]
] ),
"actions" => []
],
'text' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'*' => [ "action_" => 'output' ]
],
'{...}' => [
'*' => [ "action_" => 'text=' ]
],
'${(...)}$__$(...)$' => [
'*' => [ "action_" => 'tex-math' ]
],
'\\greek' => [
'*' => [ "action_" => [ 'output', 'rm' ] ]
],
'\\pu{(...)}' => [
'*' => [ "action_" => [ 'output', [ "type_" => 'write', "option" => "{" ],
'pu', [ "type_" => 'write', "option" => "}" ] ] ]
],
'\\,|\\x{}{}|\\x{}|\\x' => [
'*' => [ "action_" => [ 'output', 'copy' ] ]
],
'else' => [
'*' => [ "action_" => 'text=' ]
],
] ),
"actions" => [
'output' => static function ( &$buffer ) {
if ( isset( $buffer["text_"] ) ) {
$ret = [ "type_" => 'text', "p1" => $buffer["text_"] ];
foreach ( $buffer as $key => $value ) {
unset( $buffer[$key] );
}
return $ret;
}
return null;
}
]
],
'pq' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'*' => [ "action_" => [] ]
],
'state of aggregation $' => [
'*' => [ "action_" => 'state of aggregation' ]
],
'i$' => [
'0' => [ "action_" => [], "nextState" => '!f', "revisit" => true ]
],
'(KV letters),' => [
'0' => [ "action_" => 'rm', "nextState" => '0' ]
],
'formula$' => [
'0' => [ "action_" => [], "nextState" => 'f', "revisit" => true ]
],
'1/2$' => [
'0' => [ "action_" => '1/2' ]
],
'else' => [
'0' => [ "action_" => [], "nextState" => '!f', "revisit" => true ]
],
'${(...)}$__$(...)$' => [
'*' => [ "action_" => 'tex-math' ]
],
'{(...)}' => [
'*' => [ "action_" => 'text' ]
],
'a-z' => [
'f' => [ "action_" => 'tex-math' ]
],
'letters' => [
'*' => [ "action_" => 'rm' ]
],
'-9.,9' => [
'*' => [ "action_" => '9,9' ]
],
',' => [
'*' => [ "action_" => [ [ "type_" => 'insert+p1', "option" => 'comma enumeration S' ] ] ]
],
'\\color{(...)}{(...)}' => [
'*' => [ "action_" => 'color-output' ]
],
'\\color{(...)}' => [
'*' => [ "action_" => 'color0-output' ]
],
'\\ce{(...)}' => [
'*' => [ "action_" => 'ce' ]
],
'\\pu{(...)}' => [
'*' => [ "action_" => [ [ "type_" => 'write', "option" => "{" ],
'pu', [ "type_" => 'write', "option" => "}" ] ] ]
],
'\\,|\\x{}{}|\\x{}|\\x' => [
'*' => [ "action_" => 'copy' ]
],
'else2' => [
'*' => [ "action_" => 'copy' ]
]
] ),
"actions" => [
'state of aggregation' => function ( $_buffer, $m ) {
return [ "type_" => 'state of aggregation subscript',
"p1" => $this->mhchemParser->go( $m, 'o' ) ];
},
'color-output' => function ( $_buffer, $m ) {
return [ "type_" => 'color', "color1" => $m[0] ?? null,
"color2" => $this->mhchemParser->go( $m[1] ?? null, 'pq' ) ];
}
]
],
'bd' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'*' => [ "action_" => [] ]
],
'x$' => [
'0' => [ "action_" => [], "nextState" => '!f', "revisit" => true ]
],
'formula$' => [
'0' => [ "action_" => [], "nextState" => 'f', "revisit" => true ]
],
'else' => [
'0' => [ "action_" => [], "nextState" => '!f', "revisit" => true ]
],
'-9.,9 no missing 0' => [
'*' => [ "action_" => '9,9' ]
],
'.' => [
'*' => [ "action_" => [ [ "type_" => 'insert', "option" => 'electron dot' ] ] ]
],
'a-z' => [
'f' => [ "action_" => 'tex-math' ]
],
'x' => [
'*' => [ "action_" => [ [ "type_" => 'insert', "option" => 'KV x' ] ] ]
],
'letters' => [
'*' => [ "action_" => 'rm' ]
],
'\'' => [
'*' => [ "action_" => [ [ "type_" => 'insert', "option" => 'prime' ] ] ]
],
'${(...)}$__$(...)$' => [
'*' => [ "action_" => 'tex-math' ]
],
'{(...)}' => [
'*' => [ "action_" => 'text' ]
],
'\\color{(...)}{(...)}' => [
'*' => [ "action_" => 'color-output' ]
],
'\\color{(...)}' => [
'*' => [ "action_" => 'color0-output' ]
],
'\\ce{(...)}' => [
'*' => [ "action_" => 'ce' ]
],
'\\pu{(...)}' => [
'*' => [ "action_" => [ [ "type_" => 'write', "option" => "{" ],
'pu', [ "type_" => 'write', "option" => "}" ] ] ]
],
'\\,|\\x{}{}|\\x{}|\\x' => [
'*' => [ "action_" => 'copy' ]
],
'else2' => [
'*' => [ "action_" => 'copy' ]
]
] ),
"actions" => [
'color-output' => function ( $_buffer, $m ) {
return [ "type_" => 'color', "color1" => $m[0] ?? null,
"color2" => $this->mhchemParser->go( $m[1] ?? null, 'bd' ) ];
}
]
],
'oxidation' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'*' => [ "action_" => 'roman-numeral' ]
],
'pm-operator' => [
'*' => [ "action_" => [ [ "type_" => 'o=+p1', "option" => '\\pm' ] ] ]
],
'else' => [
'*' => [ "action_" => 'o=' ]
]
] ),
"actions" => [
'roman-numeral' => static function ( $buffer ) {
return [ "type_" => 'roman numeral', "p1" => $buffer["o"] ?? "" ];
}
]
],
'tex-math' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'*' => [ "action_" => 'output' ]
],
'\\ce{(...)}' => [
'*' => [ "action_" => [ 'output', 'ce' ] ]
],
'\\pu{(...)}' => [
'*' => [ "action_" => [ 'output', [ "type_" => 'write', "option" => "{" ],
'pu', [ "type_" => 'write', "option" => "}" ] ] ]
],
'{...}|\\,|\\x{}{}|\\x{}|\\x' => [
'*' => [ "action_" => 'o=' ]
],
'else' => [
'*' => [ "action_" => 'o=' ]
]
] ),
"actions" => [
'output' => static function ( &$buffer ) {
if ( isset( $buffer["o"] ) ) {
$ret = [ "type_" => 'tex-math', "p1" => $buffer["o"] ];
foreach ( $buffer as $key => $value ) {
unset( $buffer[$key] );
}
return $ret;
}
return null;
}
]
],
'tex-math tight' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'*' => [ "action_" => 'output' ]
],
'\\ce{(...)}' => [
'*' => [ "action_" => [ 'output', 'ce' ] ]
],
'\\pu{(...)}' => [
'*' => [ "action_" => [ 'output', [ "type_" => 'write', "option" => "{" ],
'pu', [ "type_" => 'write', "option" => "}" ] ] ]
],
'{...}|\\,|\\x{}{}|\\x{}|\\x' => [
'*' => [ "action_" => 'o=' ]
],
'-|+' => [
'*' => [ "action_" => 'tight operator' ]
],
'else' => [
'*' => [ "action_" => 'o=' ]
]
] ),
"actions" => [
'tight operator' => static function ( &$buffer, $m ) {
$buffer["o"] = ( $buffer["o"] ?? "" ) . "{" . $m . "}";
return null;
},
'output' => static function ( &$buffer ) {
if ( $buffer["o"] ) {
$ret = [ "type_" => 'tex-math', "p1" => $buffer["o"] ];
foreach ( $buffer as $key => $value ) {
unset( $buffer[$key] );
}
return $ret;
}
return null;
}
]
],
'9,9' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'*' => [ "action_" => [] ]
],
',' => [
'*' => [ "action_" => 'comma' ]
],
'else' => [
'*' => [ "action_" => 'copy' ]
]
] ),
"actions" => [
'comma' => static function () {
return [ "type_" => 'commaDecimal' ];
}
]
],
'pu' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'*' => [ "action_" => 'output' ]
],
'space$' => [
'*' => [ "action_" => [ 'output', 'space' ] ]
],
'{[(|)]}' => [
'0|a' => [ "action_" => 'copy' ]
],
'(-)(9)^(-9)' => [
'0' => [ "action_" => 'number^', "nextState" => 'a' ]
],
'(-)(9.,9)(e)(99)' => [
'0' => [ "action_" => 'enumber', "nextState" => 'a' ]
],
'space' => [
'0|a' => [ "action_" => [] ]
],
'pm-operator' => [
'0|a' => [ "action_" => [ [ "type_" => 'operator', "option" => '\\pm' ] ], "nextState" => '0' ]
],
'operator' => [
'0|a' => [ "action_" => 'copy', "nextState" => '0' ]
],
'//' => [
'd' => [ "action_" => 'o=', "nextState" => '/' ]
],
'/' => [
'd' => [ "action_" => 'o=', "nextState" => '/' ]
],
'{...}|else' => [
'0|d' => [ "action_" => 'd=', "nextState" => 'd' ],
'a' => [ "action_" => [ 'space', 'd=' ], "nextState" => 'd' ],
'/|q' => [ "action_" => 'q=', "nextState" => 'q' ]
]
] ),
"actions" => [
'enumber' => function ( $_buffer, $m ) {
$ret = [];
if ( MU::issetJS( $m[0] ?? null ) && ( $m[0] === "+-" || $m[0] === "+/-" ) ) {
$ret[] = "\\pm ";
} elseif ( MU::issetJS( $m[0] ?? null ) ) {
$ret[] = $m[0];
}
if ( MU::issetJS( $m[1] ?? null ) ) {
MhchemUtil::concatArray( $ret, $this->mhchemParser->go( $m[1], 'pu-9,9' ) );
if ( MU::issetJS( ( $m[2] ?? null ) ) ) {
if ( preg_match( "/[,.]/", $m[2] ) ) {
MhchemUtil::concatArray( $ret,
$this->mhchemParser->go( $m[2], 'pu-9,9' ) );
} else {
$ret[] = $m[2];
}
}
if ( MU::issetJS( $m[3] ?? null ) || MU::issetJS( $m[4] ?? null ) ) {
if ( $m[3] === "e" || $m[4] === "*" ) {
$ret[] = [ "type_" => 'cdot' ];
} else {
$ret[] = [ "type_" => 'times' ];
}
}
}
if ( MU::issetJS( $m[5] ?? null ) ) {
$ret[] = "10^{" . $m[5] . "}";
}
return $ret;
},
'number^' => function ( $_buffer, $m ) {
$ret = [];
if ( isset( $m[0] ) && ( $m[0] === "+-" || $m[0] === "+/-" ) ) {
$ret[] = "\\pm ";
} elseif ( isset( $m[0] ) ) {
$ret[] = $m[0];
}
MhchemUtil::concatArray( $ret,
$this->mhchemParser->go( $m[1] ?? null, 'pu-9,9' ) );
$ret[] = "^{" . ( $m[2] ?? "" ) . "}";
return $ret;
},
'operator' => static function ( $_buffer, $m, $p1 ) {
return [ "type_" => 'operator', "kind_" => $p1 ?? $m ];
},
'space' => static function () {
return [ "type_" => 'pu-space-1' ];
},
'output' => function ( &$buffer ) {
$md = $this->mhchemParser->getPatterns()->match( '{(...)}', $buffer["d"] ?? "" );
if ( $md && $md["remainder"] === '' ) {
$buffer["d"] = $md["match_"];
}
$mq = $this->mhchemParser->getPatterns()->match( '{(...)}', $buffer["q"] ?? "" );
if ( $mq && $mq["remainder"] === '' ) {
$buffer["q"] = $mq["match_"];
}
if ( isset( $buffer["d"] ) ) {
// tbd: g modifiers necessary in regexes ?
$buffer["d"] = preg_replace( '/\x{00B0}C|\^oC|\^{o}C/u',
"{}^{\\circ}C", $buffer["d"] );
$buffer["d"] = preg_replace( '/\x{00B0}F|\^oF|\^{o}F/u',
"{}^{\\circ}C", $buffer["d"] );
}
if ( isset( $buffer["q"] ) ) {
$buffer["q"] = preg_replace( "/\x{00B0}C|\^oC|\^{o}C/u",
"{}^{\\circ}C", $buffer["q"] );
$buffer["q"] = preg_replace( "/\x{00B0}F|\^oF|\^{o}F/u",
"{}^{\\circ}F", $buffer["q"] );
$b5 = [
"d" => $this->mhchemParser->go( $buffer["d"] ?? "", 'pu' ),
"q" => $this->mhchemParser->go( $buffer["q"], 'pu' )
];
if ( $buffer["o"] === '//' ) {
$ret = [ "type_" => 'pu-frac', "p1" => $b5["d"], "p2" => $b5["q"] ];
} else {
$ret = $b5["d"];
if ( count( $b5["d"] ) > 1 || count( $b5["q"] ) > 1 ) {
$ret[] = [ "type_" => ' / ' ];
} else {
$ret[] = [ "type_" => '/' ];
}
MhchemUtil::concatArray( $ret, $b5["q"] );
}
} else {
$ret = $this->mhchemParser->go( $buffer["d"] ?? null, 'pu-2' );
}
foreach ( $buffer as $key => $value ) {
unset( $buffer[$key] );
}
return $ret;
}
],
],
'pu-2' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'*' => [ "action_" => 'output' ],
],
'*' => [
'*' => [ "action_" => [ 'output', 'cdot' ], "nextState" => '0' ],
],
'\\x' => [ '*' => [ "action_" => 'rm=' ] ],
'space' => [ '*' => [ "action_" => [ 'output', 'space' ], "nextState" => '0' ] ],
'^{(...)}|^(-1)' => [ '1' => [ "action_" => '^(-1)' ] ],
'-9.,9' => [
'0' => [ "action_" => 'rm=', "nextState" => '0' ],
'1' => [ "action_" => '^(-1)', "nextState" => '0' ]
],
'{...}|else' => [ '*' => [ "action_" => 'rm=', "nextState" => '1' ] ]
] ),
"actions" => [
'cdot' => static function () {
return [ "type_" => 'tight cdot' ];
},
'^(-1)' => static function ( &$buffer, $m ) {
$buffer["rm"] .= "^{" . $m . "}";
return null;
},
'space' => static function () {
return [ "type_" => 'pu-space-2' ];
},
'output' => function ( &$buffer ){
$ret = [];
if ( MU::issetJS( $buffer["rm"] ) ) {
$mrm = $this->mhchemParser->getPatterns()->match( '{(...)}', $buffer["rm"] ?? "" );
if ( isset( $mrm["remainder"] ) && $mrm["remainder"] === '' ) {
$ret = $this->mhchemParser->go( $mrm["match_"], 'pu' );
} else {
$ret = [ "type_" => 'rm', "p1" => $buffer["rm"] ];
}
}
foreach ( $buffer as $key => $value ) {
unset( $buffer[$key] );
}
return $ret;
}
]
],
'pu-9,9' => [
"transitions" => static::mhchemCreateTransitions( [
'empty' => [
'0' => [ "action_" => 'output-0' ],
'o' => [ "action_" => 'output-o' ]
],
',' => [
'0' => [ "action_" => [ 'output-0', 'comma' ], "nextState" => 'o' ]
],
'.' => [
'0' => [ "action_" => [ 'output-0', 'copy' ], "nextState" => 'o' ]
],
'else' => [ '*' => [ "action_" => 'text=' ] ]
] ),
"actions" => [
'comma' => static function () {
return [ "type_" => 'commaDecimal' ];
},
'output-0' => static function ( &$buffer ) {
$ret = [];
$buffer["text_"] ??= "";
if ( strlen( $buffer["text_"] ) > 4 ) {
$a = strlen( $buffer["text_"] ) % 3;
if ( $a === 0 ) {
$a = 3;
}
for ( $i = strlen( $buffer["text_"] ) - 3; $i > 0; $i -= 3 ) {
$ret[] = substr( $buffer["text_"], $i, 3 );
$ret[] = [ "type_" => '1000 separator' ];
}
$ret[] = substr( $buffer["text_"], 0, $a );
$ret = array_reverse( $ret );
} else {
$ret[] = $buffer["text_"];
}
foreach ( $buffer as $key => $value ) {
unset( $buffer[$key] );
}
return $ret;
},
'output-o' => static function ( &$buffer ) {
$ret = [];
$buffer["text_"] ??= "";
if ( strlen( $buffer["text_"] ) > 4 ) {
$a = strlen( $buffer["text_"] ) - 3;
for ( $i = 0; $i < $a; $i += 3 ) {
$ret[] = substr( $buffer["text_"], $i, 3 );
$ret[] = [ "type_" => '1000 separator' ];
}
$ret[] = substr( $buffer["text_"], $i );
} else {
$ret[] = $buffer["text_"];
}
foreach ( $buffer as $key => $value ) {
unset( $buffer[$key] );
}
return $ret;
}
]
]
];
}
}

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Sat, Oct 3, 05:09 (2 w, 6 d ago)
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MhchemStateMachines.php (43 KB)

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