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Федор Подлеснов 2015-12-02 11:06:54 +03:00
parent f02a0bac42
commit a49f10601b
3 changed files with 19 additions and 27 deletions
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39
klein.php
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@ -4,38 +4,29 @@ class Klein {
private $code;
function compile($html) {
$arg = function($name) {
$list = explode(".", $name);
$first = array_shift($list);
return "$first" . implode("", array_map(function($x) { return "['$x']"; }, $list));
};
$rx = function ($grammar) use ($arg) {
list($pattern, $result) = $grammar;
$body = strtr($pattern, [" " => "\s*", "+" => "\s+", ":v" => "(\w+(\s*\.\s*\w+)*)", ":x" => "(\w+)"]);
$pattern = array_map(function ($grammar) {
list(, $result) = $grammar;
$body = strtr($grammar[0], [" " => "\s*", "+" => "\s+", ":var" => "(\w+(\s*\.\s*\w+)*)", ":id" => "(\w+)"]);
return ["/$body/",
function ($x) use ($result, $arg) {
$body = preg_replace_callback("/#(\d+)/", function ($s) use($x, $arg) {
return $arg($x[$s[1]]);
}, $result);
return "<?php $body ?>";
function ($x) use ($result) {
return "<?php " . preg_replace_callback("/#(\d+)/", function ($s) use($x) {
return preg_replace("/\.\s*(\w+)/", "['$1']", $x[$s[1]]);
}, $result) . " ?>";
}];
};
$pattern = array_map($rx, [
["{% for+:v+in+:v %}", "foreach(\$#3 as \$n => \$#1): \$loop = ['first' => \$n == 0];"],
}, [
["{% for+:id+in+:var %}", "foreach(\$#2 as \$index => \$#1): \$loop = ['first' => \$index == 0, 'last' => \$index == count(\$#2) - 1];"],
["{% endfor %}", "endforeach;"],
["{% if+:v %}", "if(isset(\$#1) && \$#1 ):"],
["{% if+:var %}", "if(isset(\$#1) && \$#1 ):"],
["{% endif %}", "endif;"],
["{{ :v }}", "echo \$#1;"],
["{{ :v\|:x }}", "echo #3(\$#1);"]
["{{ :var }}", "echo \$#1;"],
["{{ :var\|:id }}", "echo #3(\$#1);"]
]);
$result = file_get_contents($html);
foreach($pattern as $arg) {
list($key, $value) = $arg;
$result = preg_replace_callback($key, $value, $result);
$result = preg_replace_callback($arg[0], $arg[1], $result);
}
$this->code = $result;
}