public function __construct(PEG_IParser $elt)
{
$dt = PEG::many(PEG::subtract($elt, ':'));
$dd = PEG::many($elt);
$this->parser = PEG::many1(PEG::callbackAction(array($this, 'map'), PEG::anything()));
$this->definitionList = PEG::seq(PEG::drop('-'), $dt, PEG::drop(':'), $dd);
}
public function __construct(PEG_IParser $lineelt)
{
$this->parser = PEG::callbackAction(array($this, 'map'), PEG::anything());
$this->line = PEG::many($lineelt);
}
protected function createParser()
{
return $this->nodeCreater(OrgModeSyntax_Node::TYPE_ROOT, PEG::many($this->block));
}
function __construct(PEG_IParser $child)
{
$this->child = $child;
$this->parser = PEG::seq(PEG::callbackAction(array($this, 'mapHeader'), PEG::anything()), PEG::many(PEG::subtract($this->child, '<<')), PEG::drop('<<'));
}
function __construct(PEG_IParser $lineelt)
{
$cellbody = PEG::many(PEG::subtract($lineelt, '|'));
$this->parser = PEG::many1(PEG::callbackAction(array($this, 'map'), PEG::anything()));
$this->line = PEG::second('|', PEG::many1(PEG::optional('*'), $cellbody, PEG::drop('|')), PEG::eos());
}
public function __construct(PEG_IParser $element)
{
$open = PEG::second('<', PEG::choice('del', 'strong', 'ins', 'em'), '>');
$close = PEG::second('</', PEG::choice('del', 'strong', 'ins', 'em'), '>');
$this->parser = PEG::seq($open, PEG::many(PEG::subtract($element, $close)), $close);
}
<?php
include_once dirname(__FILE__) . '/../code/PEG.php';
/*
* 単語にヒットするパーサ。
*
* EBNF:
* word := (PEG::alphabet | "_") (PEG::alphabet | PEG::digit | "_")+
*/
$word = PEG::join(PEG::seq(PEG::choice(PEG::alphabet(), PEG::token('_')), PEG::many(PEG::choice(PEG::alphabet(), PEG::digit(), PEG::token('_')))));
var_dump($word->parse(PEG::context('a')));
//=> 'a'
var_dump($word->parse(PEG::context('hogehoge')));
//=> 'hogehoge'
var_dump($word->parse(PEG::context('some_id')));
//=> 'some_id'
var_dump($word->parse(PEG::context(' ')));
//=> パースに失敗する
var_dump($word->parse(PEG::context('hoge fuga')));
//=> パースはコンテキストの途中で止まり 'hoge'が返る
<?php
/**
* 行頭に#があったら無視するパーサのサンプル
*/
include_once dirname(__FILE__) . '/../code/PEG.php';
$line = PEG::line();
$ignore = PEG::drop(PEG::andalso('#', $line));
$parser = PEG::join(PEG::many(PEG::choice($ignore, $line)));
$context = PEG::context('
Lorem ipsum dolor sit amet,
#consectetur adipisicing elit,
#sed do eiusmod tempor incididunt ut
labore et dolore magna aliqua.
');
var_dump($parser->parse($context));
/* 結果
string(64) "
Lorem ipsum dolor sit amet,
labore et dolore magna aliqua.
"
*/
<?php
include_once dirname(__FILE__) . '/t/t.php';
$lime = new lime_test();
$join = PEG::join(PEG::seq('b', PEG::many('a')));
$context = PEG::context('baaa');
$lime->is($join->parse($context), 'baaa');
include_once dirname(__FILE__) . '/../code/PEG.php';
/**
* 括弧の対応をとる再帰的なパーサのサンプル。
* 認識した括弧を用いて文字列を階層化する。
*
* パーサのEBNFはこんな感じ
* item := paren | anything
* paren_item := (?! ")") item
* paren := "(" paren_item* ")"
* parser := item*
*/
$paren = PEG::ref($paren_ref);
$item = PEG::choice($paren, PEG::anything());
$paren_item = PEG::andalso(PEG::not(')'), $item);
$paren_ref = PEG::pack('(', PEG::many($paren_item), ')');
$parser = PEG::many($item);
$str = 'abc(def(ghi)(jkl(mno)))pq';
var_dump($parser->parse(PEG::context($str)));
/* 結果
array(6) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
[2]=>
string(1) "c"
[3]=>
array(5) {
[0]=>
string(1) "d"
[1]=>
<?php
include_once dirname(__FILE__) . '/t/t.php';
$lime = new lime_test();
$many = PEG::many(PEG::token('a'));
$context = PEG::context('aaaaaaaa');
$lime->is($many->parse($context), array('a', 'a', 'a', 'a', 'a', 'a', 'a', 'a'));
$lime->is($context->tell(), 8);
$context = PEG::context('ab');
$parser = PEG::many(PEG::drop(PEG::token('ab')));
$lime->is($parser->parse($context), array());
public function __construct(PEG_IParser $lineelt)
{
$item = PEG::callbackAction(array($this, 'mapLine'), PEG::anything());
$this->parser = PEG::callbackAction(array('OrgModeSyntax_Tree', 'make'), PEG::many1($item));
$this->li = PEG::callbackAction(array('OrgModeSyntax_Util', 'processListItem'), PEG::seq(PEG::many(PEG::char('+')), PEG::many($lineelt)));
}
function __construct(PEG_IParser $element)
{
$end = new HatenaSyntax_Regex('#</p><$#');
$this->lineParser = PEG::many($element);
$this->parser = PEG::seq(PEG::many(PEG::subtract(PEG::anything(), $end)), $end);
}
<?php
include_once dirname(__FILE__) . '/t/t.php';
class MyActionParser extends PEG_Action
{
function process($result)
{
return join('', $result);
}
}
$lime = new lime_test();
$action = new MyActionParser(PEG::many(PEG::token('hoge')));
$lime->is($action->parse(PEG::context('hogehogehogehoge')), 'hogehogehogehoge');
function __construct()
{
$end = new HatenaSyntax_Regex('/\\|\\|<$/');
$this->parser = PEG::callbackAction(array($this, 'map'), PEG::seq($this->header(), PEG::many(PEG::subtract(PEG::anything(), $end)), $end));
}
protected function createParser()
{
return $this->nodeCreater('root', PEG::many($this->block));
}
<?php
include_once dirname(__FILE__) . '/t/t.php';
$lime = new lime_test();
$p = PEG::at(0, PEG::many(PEG::token('a')));
$c = PEG::context('aaaaaaaaa');
$lime->is($p->parse($c), 'a');
function __construct(PEG_IParser $elt)
{
$this->line = PEG::many($elt);
$end = new HatenaSyntax_Regex('/\\|<$/');
$this->parser = PEG::callbackAction(array($this, 'map'), PEG::seq(PEG::drop('>|'), PEG::many(PEG::subtract(PEG::anything(), $end)), $end));
}
function __construct(PEG_IParser $elt)
{
$this->child = PEG::many($elt);
$this->parser = PEG::callbackAction(array($this, 'map'), PEG::anything());
}