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Add checking nested level for {use} and {extends}

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Add more docs
This commit is contained in:
bzick
2013-07-02 11:07:33 +04:00
parent 27d7110690
commit c76f5c8be0
11 changed files with 148 additions and 77 deletions
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60
src/Fenom/Compiler.php
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@ -23,7 +23,7 @@ class Compiler {
* @static
* @param Tokenizer $tokens
* @param Template $tpl
* @throws ImproperUseException
* @throws InvalidUsageException
* @return string
*/
public static function tagInclude(Tokenizer $tokens, Template $tpl) {
@ -68,12 +68,12 @@ class Compiler {
* @static
* @param Tokenizer $tokens
* @param Scope $scope
* @throws ImproperUseException
* @throws InvalidUsageException
* @return string
*/
public static function tagElseIf(Tokenizer $tokens, Scope $scope) {
if($scope["else"]) {
throw new ImproperUseException('Incorrect use of the tag {elseif}');
throw new InvalidUsageException('Incorrect use of the tag {elseif}');
}
return '} elseif('.$scope->tpl->parseExp($tokens, true).') {';
}
@ -99,7 +99,7 @@ class Compiler {
* @param Tokenizer $tokens
* @param Scope $scope
* @throws UnexpectedTokenException
* @throws ImproperUseException
* @throws InvalidUsageException
* @return string
*/
public static function foreachOpen(Tokenizer $tokens, Scope $scope) {
@ -132,7 +132,7 @@ class Compiler {
while($token = $tokens->key()) {
$param = $tokens->get(T_STRING);
if(!isset($p[ $param ])) {
throw new ImproperUseException("Unknown parameter '$param' in {foreach}");
throw new InvalidUsageException("Unknown parameter '$param' in {foreach}");
}
$tokens->getNext("=");
$tokens->next();
@ -197,7 +197,7 @@ class Compiler {
* @param Tokenizer $tokens
* @param Scope $scope
* @return string
* @throws ImproperUseException
* @throws InvalidUsageException
*/
public static function forOpen(Tokenizer $tokens, Scope $scope) {
$p = array("index" => false, "first" => false, "last" => false, "step" => 1, "to" => false, "max" => false, "min" => false);
@ -218,7 +218,7 @@ class Compiler {
$condition = "$var >= {$p['to']}";
if($p["last"]) $c = "($var + {$p['step']}) < {$p['to']}";
} else {
throw new ImproperUseException("Invalid step value if {for}");
throw new InvalidUsageException("Invalid step value if {for}");
}
} else {
$condition = "({$p['step']} > 0 && $var <= {$p['to']} || {$p['step']} < 0 && $var >= {$p['to']})";
@ -323,14 +323,14 @@ class Compiler {
* @static
* @param Tokenizer $tokens
* @param Scope $scope
* @throws ImproperUseException
* @throws InvalidUsageException
* @return string
*/
public static function tagContinue($tokens, Scope $scope) {
if(empty($scope["no-continue"])) {
return 'continue;';
} else {
throw new ImproperUseException("Improper usage of the tag {continue}");
throw new InvalidUsageException("Improper usage of the tag {continue}");
}
}
@ -358,14 +358,14 @@ class Compiler {
* @static
* @param Tokenizer $tokens
* @param Scope $scope
* @throws ImproperUseException
* @throws InvalidUsageException
* @return string
*/
public static function tagBreak($tokens, Scope $scope) {
if(empty($scope["no-break"])) {
return 'break;';
} else {
throw new ImproperUseException("Improper usage of the tag {break}");
throw new InvalidUsageException("Improper usage of the tag {break}");
}
}
@ -373,12 +373,14 @@ class Compiler {
* Dispatch {extends} tag
* @param Tokenizer $tokens
* @param Template $tpl
* @throws ImproperUseException
* @throws InvalidUsageException
* @return string
*/
public static function tagExtends(Tokenizer $tokens, Template $tpl) {
if(!empty($tpl->_extends)) {
throw new ImproperUseException("Only one {extends} allowed");
throw new InvalidUsageException("Only one {extends} allowed");
} elseif($tpl->getStackSize()) {
throw new InvalidUsageException("Tags {extends} can not be nested");
}
$tpl_name = $tpl->parsePlainArg($tokens, $name);
if(empty($tpl->_extended)) {
@ -446,10 +448,13 @@ class Compiler {
* Tag {use ...}
* @param Tokenizer $tokens
* @param Template $tpl
* @throws ImproperUseException
* @throws InvalidUsageException
* @return string
*/
public static function tagUse(Tokenizer $tokens, Template $tpl) {
if($tpl->getStackSize()) {
throw new InvalidUsageException("Tags {use} can not be nested");
}
$cname = $tpl->parsePlainArg($tokens, $name);
if($name) {
$donor = $tpl->getStorage()->getRawTemplate()->load($name, false);
@ -469,11 +474,12 @@ class Compiler {
$tpl->addDepend($donor);
return '?>'.$donor->getBody().'<?php ';
} else {
$tpl->_compatible = true;
return '$donor = $tpl->getStorage()->getTemplate('.$cname.', \Fenom\Template::EXTENDED);'.PHP_EOL.
// throw new InvalidUsageException('template name must be given explicitly yet');
// under construction
$tpl->_compatible = true;
return '$donor = $tpl->getStorage()->getTemplate('.$cname.', \Fenom\Template::EXTENDED);'.PHP_EOL.
'$donor->fetch((array)$tpl);'.PHP_EOL.
'$tpl->b += (array)$donor->b';
// throw new ImproperUseException('template name must be given explicitly');
}
}
@ -482,9 +488,13 @@ class Compiler {
* @param Tokenizer $tokens
* @param Scope $scope
* @return string
* @throws ImproperUseException
* @throws InvalidUsageException
*/
public static function tagBlockOpen(Tokenizer $tokens, Scope $scope) {
if($scope->level > 0) {
var_dump("".$scope->tpl);
$scope->tpl->_compatible = true;
}
$scope["cname"] = $scope->tpl->parsePlainArg($tokens, $name);
$scope["name"] = $name;
}
@ -553,7 +563,7 @@ class Compiler {
public static function tagParent($tokens, Scope $scope) {
if(empty($scope->tpl->_extends)) {
throw new ImproperUseException("Tag {parent} may be declared in childs");
throw new InvalidUsageException("Tag {parent} may be declared in childs");
}
}
@ -710,7 +720,7 @@ class Compiler {
* @param Tokenizer $tokens
* @param Template $tpl
* @return string
* @throws ImproperUseException
* @throws InvalidUsageException
*/
public static function tagCycle(Tokenizer $tokens, Template $tpl) {
if($tokens->is("[")) {
@ -721,7 +731,7 @@ class Compiler {
if($tokens->valid()) {
$p = $tpl->parseParams($tokens);
if(empty($p["index"])) {
throw new ImproperUseException("Cycle may contain only index attribute");
throw new InvalidUsageException("Cycle may contain only index attribute");
} else {
return 'echo '.__CLASS__.'::cycle('.$exp.', '.$p["index"].')';
}
@ -747,7 +757,7 @@ class Compiler {
* @param Tokenizer $tokens
* @param Template $tpl
* @throws UnexpectedTokenException
* @throws ImproperUseException
* @throws InvalidUsageException
* @return string
*/
public static function tagImport(Tokenizer $tokens, Template $tpl) {
@ -775,7 +785,7 @@ class Compiler {
$tpl->parsePlainArg($tokens, $name);
if(!$name) {
throw new ImproperUseException("Invalid usage tag {import}");
throw new InvalidUsageException("Invalid usage tag {import}");
}
if($tokens->is(T_AS)) {
$alias = $tokens->next()->get(Tokenizer::MACRO_STRING);
@ -812,7 +822,7 @@ class Compiler {
*
* @param Tokenizer $tokens
* @param Scope $scope
* @throws ImproperUseException
* @throws InvalidUsageException
*/
public static function macroOpen(Tokenizer $tokens, Scope $scope) {
$scope["name"] = $tokens->get(Tokenizer::MACRO_STRING);
@ -832,7 +842,7 @@ class Compiler {
if($tokens->is(T_CONSTANT_ENCAPSED_STRING, T_LNUMBER, T_DNUMBER) || $tokens->isSpecialVal()) {
$scope["defaults"][ $param ] = $tokens->getAndNext();
} else {
throw new ImproperUseException("Macro parameters may have only scalar defaults");
throw new InvalidUsageException("Macro parameters may have only scalar defaults");
}
}
$tokens->skipIf(',');