mirror/fenom
1
0
Fork 0
mirror of https://github.com/fenom-template/fenom.git synced 2023-08-10 21:13:07 +03:00
Code Issues Projects Releases Wiki Activity

Foreach props, range iterator and more

Browse Source
This commit is contained in:
bzick
2016-05-06 23:04:08 +03:00
parent 1559adf030
commit ba4ba548ff
11 changed files with 283 additions and 96 deletions
Download Patch File Download Diff File Expand all files Collapse all files

129
src/Fenom/Compiler.php
View File

@ -10,6 +10,7 @@
namespace Fenom;
use Doctrine\Instantiator\Exception\InvalidArgumentException;
use Fenom\Error\CompileException;
use Fenom\Error\InvalidUsageException;
use Fenom\Error\UnexpectedTokenException;
@ -132,70 +133,53 @@ class Compiler
*/
public static function foreachOpen(Tokenizer $tokens, Tag $scope)
{
$p = array("index" => false, "first" => false, "last" => false);
$key = null;
$before = $body = array();
$prepend = "";
if ($tokens->is('[')) {
$scope["else"] = false;
$scope["key"] = null;
$scope["prepend"] = "";
$scope["before"] = array();
$scope["after"] = array();
$scope["body"] = array();
if ($tokens->is('[')) { // array
$count = 0;
$from = $scope->tpl->parseArray($tokens, $count);
$check = $count;
} else {
$from = $scope->tpl->parseExpr($tokens, $is_var);
$scope['from'] = $scope->tpl->parseArray($tokens, $count);
$scope['check'] = $count;
$scope["var"] = $scope->tpl->tmpVar();
$scope['prepend'] = $scope["var"].' = '.$scope['from'].';';
$scope['from'] = $scope["var"];
} else { // expression
$scope['from'] = $scope->tpl->parseExpr($tokens, $is_var);
if($is_var) {
$check = '!empty('.$from.') && (is_array('.$from.') || '.$from.' instanceof \Traversable)';
$scope['check'] = '!empty('.$scope['from'].') && (is_array('.$scope['from'].') || '.$scope['from'].' instanceof \Traversable)';
} else {
$scope["var"] = $scope->tpl->tmpVar();
$prepend = $scope["var"].' = '.$from.';';
$from = $scope["var"];
$check = 'is_array('.$from.') && count('.$from.') || ('.$from.' instanceof \Traversable)';
$scope['prepend'] = $scope["var"].' = '.$scope['from'].';';
$scope['from'] = $scope["var"];
$scope['check'] = 'is_array('.$scope['from'].') && count('.$scope['from'].') || ('.$scope['from'].' instanceof \Traversable)';
}
}
$tokens->get(T_AS);
$tokens->next();
$value = $scope->tpl->parseVariable($tokens);
if ($tokens->is(T_DOUBLE_ARROW)) {
if($tokens->is(T_AS)) {
$tokens->next();
$key = $value;
$value = $scope->tpl->parseVariable($tokens);
if ($tokens->is(T_DOUBLE_ARROW)) {
$tokens->next();
$scope["key"] = $value;
$scope["value"] = $scope->tpl->parseVariable($tokens);
} else {
$scope["value"] = $value;
}
} else {
$scope["value"] = '$_un';
}
$scope["after"] = array();
$scope["else"] = false;
while ($token = $tokens->key()) {
$param = $tokens->get(T_STRING);
if (!isset($p[$param])) {
throw new InvalidUsageException("Unknown parameter '$param' in {foreach}");
}
$var_name = self::foreachProp($scope, $param);
$tokens->getNext("=");
$tokens->next();
$p[$param] = $scope->tpl->parseVariable($tokens);
$scope['before'][] = $scope->tpl->parseVariable($tokens)." = &". $var_name;
}
if ($p["index"]) {
$before[] = $p["index"] . ' = 0';
$scope["after"][] = $p["index"] . '++';
}
if ($p["first"]) {
$before[] = $p["first"] . ' = true';
$scope["after"][] = $p["first"] . ' && (' . $p["first"] . ' = false )';
}
if ($p["last"]) {
$before[] = $p["last"] . ' = false';
$scope["uid"] = "v" . $scope->tpl->i++;
$before[] = '$' . $scope["uid"] . " = count($from)";
$body[] = 'if(!--$' . $scope["uid"] . ') ' . $p["last"] . ' = true';
}
$before = $before ? implode("; ", $before) . ";" : "";
$body = $body ? implode("; ", $body) . ";" : "";
$scope["after"] = $scope["after"] ? implode("; ", $scope["after"]) . ";" : "";
if ($key) {
return "$prepend if($check) {\n $before foreach($from as $key => $value) { $body";
} else {
return "$prepend if($check) {\n $before foreach($from as $value) { $body";
}
return '';
}
/**
@ -208,7 +192,40 @@ class Compiler
public static function foreachElse($tokens, Tag $scope)
{
$scope["no-break"] = $scope["no-continue"] = $scope["else"] = true;
return " {$scope['after']} } } else {";
$after = $scope["after"] ? implode("; ", $scope["after"]) . ";" : "";
return " {$after} } } else {";
}
/**
* @param Tag $scope
* @param string $prop
* @return string
* @throws CompileException
*/
public static function foreachProp(Tag $scope, $prop) {
if(empty($scope["props"][$prop])) {
$var_name = $scope["props"][$prop] = $scope->tpl->tmpVar()."_".$prop;
switch($prop) {
case "index":
$scope["before"][] = $var_name . ' = 0';
$scope["after"][] = $var_name . '++';
break;
case "first":
$scope["before"][] = $var_name . ' = true';
$scope["after"][] = $var_name . ' && (' . $var_name . ' = false )';
break;
case "last":
$scope["before"][] = $var_name . ' = false';
$scope["uid"] = $scope->tpl->tmpVar();
$scope["before"][] = $scope["uid"] . " = count({$scope["from"]})";
$scope["body"][] = 'if(!--' . $scope["uid"] . ') ' . $var_name . ' = true';
break;
default:
throw new CompileException("Unknown foreach property '$prop'");
}
}
return $scope["props"][$prop];
}
/**
@ -221,10 +238,20 @@ class Compiler
*/
public static function foreachClose($tokens, Tag $scope)
{
$before = $scope["before"] ? implode("; ", $scope["before"]) . ";" : "";
$head = $scope["body"] ? implode("; ", $scope["body"]) . ";" : "";
$body = $scope->getContent();
if ($scope["key"]) {
$code = "<?php {$scope["prepend"]} if({$scope["check"]}) {\n $before foreach({$scope["from"]} as {$scope["key"]} => {$scope["value"]}) { $head?>$body";
} else {
$code = "<?php {$scope["prepend"]} if({$scope["check"]}) {\n $before foreach({$scope["from"]} as {$scope["value"]}) { $head?>$body";
}
$scope->replaceContent($code);
if ($scope["else"]) {
return '}';
} else {
return " {$scope['after']} } }";
$after = $scope["after"] ? implode("; ", $scope["after"]) . ";" : "";
return " {$after} } }";
}
}