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Merge pull request #147 from hamidr/master

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Merge "develop" branch into "master"
This commit is contained in:
Behrooz Shabani 2016-07-31 12:08:35 +02:00 committed by GitHub
commit b8a8129855
14 changed files with 533 additions and 63 deletions
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5
.gitignore vendored
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@ -4,4 +4,7 @@ vendor
composer.phar
composer.lock
*.iml
.idea
.idea
GPATH
GRTAGS
GTAGS

89
src/Handlebars/ChildContext.php Normal file
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@ -0,0 +1,89 @@
<?php
/**
* This file is part of Handlebars-php
* Base on mustache-php https://github.com/bobthecow/mustache.php
*
* PHP version 5.3
*
* @category Xamin
* @package Handlebars
* @author fzerorubigd <fzerorubigd@gmail.com>
* @author Behrooz Shabani <everplays@gmail.com>
* @author Chris Gray <chris.w.gray@gmail.com>
* @author Ulrik Lystbaek <ulrik@bettertaste.dk>
* @author Dmitriy Simushev <simushevds@gmail.com>
* @author Christian Blanquera <cblanquera@openovate.com>
* @copyright 2010-2012 (c) Justin Hileman
* @copyright 2012 (c) ParsPooyesh Co
* @copyright 2013 (c) Behrooz Shabani
* @copyright 2013 (c) f0ruD A
* @license MIT <http://opensource.org/licenses/MIT>
* @version GIT: $Id$
* @link http://xamin.ir
*/
namespace Handlebars;
/**
* Handlebars context
* Context for a template
*
* @category Xamin
* @package Handlebars
* @author fzerorubigd <fzerorubigd@gmail.com>
* @author Behrooz Shabani <everplays@gmail.com>
* @copyright 2010-2012 (c) Justin Hileman
* @copyright 2012 (c) ParsPooyesh Co
* @license MIT <http://opensource.org/licenses/MIT>
* @version Release: @package_version@
* @link http://xamin.ir
*/
class ChildContext extends Context
{
protected $parentContext = null;
/**
* Sets a parent context in which
* we will case for the ../ in get()
*
* @param Context $parent parent context
*
* @return void
*/
public function setParent(Context $parent)
{
$this->parentContext = $parent;
}
/**
* Get a available from current context
* Supported types :
* variable , ../variable , variable.variable , variable.[variable] , .
*
* @param string $variableName variable name to get from current context
* @param boolean $strict strict search? if not found then throw exception
*
* @throws \InvalidArgumentException in strict mode and variable not found
* @throws \RuntimeException if supplied argument is a malformed quoted string
* @throws \InvalidArgumentException if variable name is invalid
* @return mixed
*/
public function get($variableName, $strict = false)
{
//if the variable name starts with a ../
//and we have a parent
if (strpos($variableName, '../') === 0
&& $this->parentContext instanceof Context
) {
//just remove the first ../
$variableName = substr($variableName, 3);
//and let the parent context handle the rest
return $this->parentContext->get($variableName, $strict);
}
//otherwise, it's business as usual
return parent::get($variableName, $strict);
}
}

25
src/Handlebars/Context.php
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@ -40,7 +40,6 @@ namespace Handlebars;
class Context
{
/**
* List of charcters that cannot be used in identifiers.
*/
@ -53,22 +52,30 @@ class Context
const NOT_VALID_SEGMENT_NAME_CHARS = "]";
/**
* Context stack
*
* @var array stack for context only top stack is available
*/
protected $stack = array();
/**
* Section stack index
*
* @var array index stack for sections
*/
protected $index = array();
/**
* Object stack keys
*
* @var array key stack for objects
*/
protected $key = array();
/**
* @var array Special variables stack for sections. Each stack element can
* Special variables stack for sections.
*
* @var array Each stack element can
* contain elements with "@index", "@key", "@first" and "@last" keys.
*/
protected $specialVariables = array();
@ -309,8 +316,18 @@ class Context
$bad_chars = preg_quote(self::NOT_VALID_NAME_CHARS, '/');
$bad_seg_chars = preg_quote(self::NOT_VALID_SEGMENT_NAME_CHARS, '/');
$name_pattern = "(?:[^" . $bad_chars . "\s]+)|(?:\[[^" . $bad_seg_chars . "]+\])";
$check_pattern = "/^((" . $name_pattern . ")\.)*(" . $name_pattern . ")\.?$/";
$name_pattern = "(?:[^"
. $bad_chars
. "\s]+)|(?:\[[^"
. $bad_seg_chars
. "]+\])";
$check_pattern = "/^(("
. $name_pattern
. ")\.)*("
. $name_pattern
. ")\.?$/";
$get_pattern = "/(?:" . $name_pattern . ")/";
if (!preg_match($check_pattern, $variableName)) {

128
src/Handlebars/Handlebars.php
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@ -41,7 +41,7 @@ class Handlebars
const VERSION = '1.1.0';
/**
* factory method
* Factory method
*
* @param array $options see __construct's options parameter
*
@ -57,31 +57,43 @@ class Handlebars
}
/**
* Current tokenizer instance
*
* @var Tokenizer
*/
private $_tokenizer;
/**
* Current parser instance
*
* @var Parser
*/
private $_parser;
/**
* Current helper list
*
* @var Helpers
*/
private $_helpers;
/**
* Current loader instance
*
* @var Loader
*/
private $_loader;
/**
* Current partial loader instance
*
* @var Loader
*/
private $_partialsLoader;
/**
* Current cache instance
*
* @var Cache
*/
private $_cache;
@ -104,6 +116,8 @@ class Handlebars
private $_escape = 'htmlspecialchars';
/**
* Parameters for the escpae method above
*
* @var array parametes to pass to escape function
*/
private $_escapeArgs = array(
@ -188,8 +202,8 @@ class Handlebars
* @param mixed $data data to use as context
*
* @return string Rendered template
* @see Handlebars::loadTemplate
* @see Template::render
* @see Handlebars::loadTemplate
* @see Template::render
*/
public function render($template, $data)
{
@ -258,6 +272,110 @@ class Handlebars
{
return $this->getHelpers()->has($name);
}
/**
* Add a new helper.
*
* @param string $name helper name
* @param mixed $helper helper callable
*
* @return void
*/
public function registerHelper($name, $helper)
{
$callback = function ($template, $context, $arg) use ($helper) {
$args = $template->parseArguments($arg);
$named = $template->parseNamedArguments($arg);
foreach ($args as $i => $arg) {
//if it's literally string
if ($arg instanceof BaseString) {
//we have no problems here
$args[$i] = (string) $arg;
continue;
}
//not sure what to do if it's not a string or StringWrapper
if (!is_string($arg)) {
continue;
}
//it's a variable and we need to figure out the value of it
$args[$i] = $context->get($arg);
}
//push the options
$args[] = array(
//special fields
'data' => array(
'index' => $context->get('@index'),
'key' => $context->get('@key'),
'first' => $context->get('@first'),
'last' => $context->get('@last')),
// Named arguments
'hash' => $named,
// A renderer for block helper
'fn' => function ($inContext = null) use ($context, $template) {
$defined = !!$inContext;
if (!$defined) {
$inContext = $context;
$inContext->push($inContext->last());
} else if (!$inContext instanceof Context) {
$inContext = new ChildContext($inContext);
$inContext->setParent($context);
}
$template->setStopToken('else');
$buffer = $template->render($inContext);
$template->setStopToken(false);
//what if it's a loop ?
$template->rewind();
//What's the point of this again?
//I mean in this context (literally)
//$template->discard($inContext);
if ($defined) {
$inContext->pop();
}
return $buffer;
},
// A render for the else block
'inverse' => function ($inContext = null) use ($context, $template) {
$defined = !!$inContext;
if (!$defined) {
$inContext = $context;
$inContext->push($inContext->last());
} else if (!$inContext instanceof Context) {
$inContext = new ChildContext($inContext);
$inContext->setParent($context);
}
$template->setStopToken('else');
$template->discard($inContext);
$template->setStopToken(false);
$buffer = $template->render($inContext);
if ($defined) {
$inContext->pop();
}
return $buffer;
},
// The current context.
'context' => $context,
// The current template
'template' => $template);
return call_user_func_array($helper, $args);
};
$this->addHelper($name, $callback);
}
/**
* Remove a helper by name.
@ -284,7 +402,7 @@ class Handlebars
}
/**
* get current loader
* Get current loader
*
* @return Loader
*/
@ -310,7 +428,7 @@ class Handlebars
}
/**
* get current partials loader
* Get current partials loader
*
* @return Loader
*/

8
src/Handlebars/Helper.php
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@ -31,10 +31,10 @@ interface Helper
/**
* Execute the helper
*
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param array $args The arguments passed the the helper
* @param string $source The source
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param \Handlebars\Arguments $args The arguments passed the the helper
* @param string $source The source
*
* @return mixed
*/

8
src/Handlebars/Helper/BindAttrHelper.php
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@ -41,10 +41,10 @@ class BindAttrHelper implements Helper
/**
* Execute the helper
*
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param array $args The arguments passed the the helper
* @param string $source The source
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param \Handlebars\Arguments $args The arguments passed the the helper
* @param string $source The source
*
* @return mixed
*/

11
src/Handlebars/Helper/EachHelper.php
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@ -43,16 +43,17 @@ class EachHelper implements Helper
/**
* Execute the helper
*
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param array $args The arguments passed the the helper
* @param string $source The source
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param \Handlebars\Arguments $args The arguments passed the the helper
* @param string $source The source
*
* @return mixed
*/
public function execute(Template $template, Context $context, $args, $source)
{
$tmp = $context->get($args);
$positionalArgs = $args->getPositionalArguments();
$tmp = $context->get($positionalArgs[0]);
$buffer = '';
if (!$tmp) {

8
src/Handlebars/Helper/IfHelper.php
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@ -41,10 +41,10 @@ class IfHelper implements Helper
/**
* Execute the helper
*
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param array $args The arguments passed the the helper
* @param string $source The source
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param \Handlebars\Arguments $args The arguments passed the the helper
* @param string $source The source
*
* @return mixed
*/

8
src/Handlebars/Helper/UnlessHelper.php
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@ -41,10 +41,10 @@ class UnlessHelper implements Helper
/**
* Execute the helper
*
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param array $args The arguments passed the the helper
* @param string $source The source
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param \Handlebars\Arguments $args The arguments passed the the helper
* @param string $source The source
*
* @return mixed
*/

11
src/Handlebars/Helper/WithHelper.php
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@ -41,16 +41,17 @@ class WithHelper implements Helper
/**
* Execute the helper
*
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param array $args The arguments passed the the helper
* @param string $source The source
* @param \Handlebars\Template $template The template instance
* @param \Handlebars\Context $context The current context
* @param \Handlebars\Arguments $args The arguments passed the the helper
* @param string $source The source
*
* @return mixed
*/
public function execute(Template $template, Context $context, $args, $source)
{
$context->with($args);
$positionalArgs = $args->getPositionalArguments();
$context->with($positionalArgs[0]);
$buffer = $template->render($context);
$context->pop();

18
src/Handlebars/Helpers.php
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@ -23,7 +23,7 @@ namespace Handlebars;
/**
* Handlebars helpers
*
* a collection of helper function. normally a function like
* A collection of helper function. normally a function like
* function ($sender, $name, $arguments) $arguments is unscaped arguments and
* is a string, not array
*
@ -35,10 +35,11 @@ namespace Handlebars;
* @version Release: @package_version@
* @link http://xamin.ir
*/
class Helpers
{
/**
* Raw helper array
*
* @var array array of helpers
*/
protected $helpers = array();
@ -147,13 +148,20 @@ class Helpers
);
}
$parsedArgs = new Arguments($args);
if ($this->helpers[$name] instanceof Helper) {
return $this->helpers[$name]->execute(
$template, $context, $args, $source
$template, $context, $parsedArgs, $source
);
}
return call_user_func($this->helpers[$name], $template, $context, $args, $source);
return call_user_func(
$this->helpers[$name],
$template,
$context,
$parsedArgs,
$source
);
}
/**
@ -196,7 +204,7 @@ class Helpers
* @param string $name helper name
*
* @return boolean
* @see Handlebras_Helpers::has
* @see Handlebras_Helpers::has
*/
public function __isset($name)
{

17
src/Handlebars/Parser.php
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@ -61,7 +61,6 @@ class Parser
* @throws \LogicException when nesting errors or mismatched section tags
* are encountered.
* @return array Token parse tree
*
*/
private function _buildTree(\ArrayIterator $tokens)
{
@ -90,14 +89,20 @@ class Parser
&& isset($result[Tokenizer::NAME])
&& $result[Tokenizer::NAME] == $token[Tokenizer::NAME]
) {
if (isset($result[Tokenizer::TRIM_RIGHT]) && $result[Tokenizer::TRIM_RIGHT]) {
// If the start node has trim right, then its equal with the first item in the loop with
if (isset($result[Tokenizer::TRIM_RIGHT])
&& $result[Tokenizer::TRIM_RIGHT]
) {
// If the start node has trim right, then its equal
//with the first item in the loop with
// Trim left
$newNodes[0][Tokenizer::TRIM_LEFT] = true;
}
if (isset($token[Tokenizer::TRIM_RIGHT]) && $token[Tokenizer::TRIM_RIGHT]) {
//OK, if we have trim right here, we should pass it to the upper level.
if (isset($token[Tokenizer::TRIM_RIGHT])
&& $token[Tokenizer::TRIM_RIGHT]
) {
//OK, if we have trim right here, we should
//pass it to the upper level.
$result[Tokenizer::TRIM_RIGHT] = true;
}
@ -120,4 +125,4 @@ class Parser
return $stack;
}
}
}

65
src/Handlebars/Template.php
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@ -43,6 +43,8 @@ use Handlebars\Arguments;
class Template
{
/**
* Handlebars instance
*
* @var Handlebars
*/
protected $handlebars;
@ -58,6 +60,8 @@ class Template
protected $source = '';
/**
* Run stack
*
* @var array Run stack
*/
private $_stack = array();
@ -108,13 +112,12 @@ class Template
}
/**
* set stop token for render and discard method
* Set stop token for render and discard method
*
* @param string $token token to set as stop token or false to remove
*
* @return void
*/
public function setStopToken($token)
{
$topStack = array_pop($this->_stack);
@ -123,11 +126,10 @@ class Template
}
/**
* get current stop token
* Get current stop token
*
* @return string|bool
*/
public function getStopToken()
{
$topStack = end($this->_stack);
@ -175,26 +177,35 @@ class Template
) {
break;
}
if (isset($current[Tokenizer::TRIM_LEFT]) && $current[Tokenizer::TRIM_LEFT]) {
if (isset($current[Tokenizer::TRIM_LEFT])
&& $current[Tokenizer::TRIM_LEFT]
) {
$buffer = rtrim($buffer);
}
$tmp = $this->_renderInternal($current, $context);
if (isset($current[Tokenizer::TRIM_LEFT]) && $current[Tokenizer::TRIM_LEFT]) {
if (isset($current[Tokenizer::TRIM_LEFT])
&& $current[Tokenizer::TRIM_LEFT]
) {
$tmp = rtrim($tmp);
}
if ($rTrim || (isset($current[Tokenizer::TRIM_RIGHT]) && $current[Tokenizer::TRIM_RIGHT])) {
if ($rTrim
|| (isset($current[Tokenizer::TRIM_RIGHT])
&& $current[Tokenizer::TRIM_RIGHT])
) {
$tmp = ltrim($tmp);
}
$buffer .= $tmp;
// Some time, there is more than one string token (first is empty),
// Some time, there is more than
//one string token (first is empty),
//so we need to trim all of them in one shot
$rTrim = (empty($tmp) && $rTrim) ||
isset($current[Tokenizer::TRIM_RIGHT]) && $current[Tokenizer::TRIM_RIGHT];
isset($current[Tokenizer::TRIM_RIGHT])
&& $current[Tokenizer::TRIM_RIGHT];
}
if ($stop) {
//Ok break here, the helper should be aware of this.
@ -331,7 +342,9 @@ class Template
}
// subexpression parsing loop
$subexprs = array(); // will contain all subexpressions inside outermost brackets
// will contain all subexpressions
// inside outermost brackets
$subexprs = array();
$insideOf = array( 'single' => false, 'double' => false );
$lvl = 0;
$cur_start = 0;
@ -353,7 +366,11 @@ class Template
if ($cur == ')' && ! $insideOf['single'] && ! $insideOf['double']) {
$lvl--;
if ($lvl == 0) {
$subexprs[] = substr($current[Tokenizer::ARGS], $cur_start, $i - $cur_start);
$subexprs[] = substr(
$current[Tokenizer::ARGS],
$cur_start,
$i - $cur_start
);
}
}
@ -372,14 +389,30 @@ class Template
Tokenizer::INDEX => $current[Tokenizer::INDEX],
Tokenizer::ARGS => implode(" ", array_slice($cmd, 1))
);
// resolve the node recursively
$resolved = addcslashes($this->_handlebarsStyleSection($context, $section_node), '"');
$resolved = $this->_handlebarsStyleSection(
$context,
$section_node
);
$resolved = addcslashes($resolved, '"');
// replace original subexpression with result
$current[Tokenizer::ARGS] = str_replace('('.$expr.')', '"' . $resolved . '"', $current[Tokenizer::ARGS]);
$current[Tokenizer::ARGS] = str_replace(
'('.$expr.')',
'"' . $resolved . '"',
$current[Tokenizer::ARGS]
);
}
}
$return = $helpers->call($sectionName, $this, $context, $current[Tokenizer::ARGS], $source);
$return = $helpers->call(
$sectionName,
$this,
$context,
$current[Tokenizer::ARGS],
$source
);
if ($return instanceof StringWrapper) {
return $this->handlebars->loadString($return)->render($context);
@ -564,9 +597,9 @@ class Template
}
/**
* get replacing value of a tag
* Get replacing value of a tag
*
* will process the tag as section, if a helper with the same name could be
* Will process the tag as section, if a helper with the same name could be
* found, so {{helper arg}} can be used instead of {{#helper arg}}.
*
* @param Context $context current context

195
tests/Xamin/HandlebarsTest.php
View File

@ -453,6 +453,201 @@ class HandlebarsTest extends \PHPUnit_Framework_TestCase
$this->setExpectedException('InvalidArgumentException');
$engine->getHelpers()->call('invalid', $engine->loadTemplate(''), new \Handlebars\Context(), '', '');
}
public function testRegisterHelper()
{
$loader = new \Handlebars\Loader\StringLoader();
$engine = new \Handlebars\Handlebars(array('loader' => $loader));
//date_default_timezone_set('GMT');
//FIRST UP: some awesome helpers!!
//translations
$translations = array(
'hello' => 'bonjour',
'my name is %s' => 'mon nom est %s',
'how are your %s kids and %s' => 'comment sont les enfants de votre %s et %s'
);
//i18n
$engine->registerHelper('_', function($key) use ($translations) {
$args = func_get_args();
$key = array_shift($args);
$options = array_pop($args);
//make sure it's a string
$key = (string) $key;
//by default the translation is the key
$translation = $key;
//if there is a translation
if(isset($translations[$key])) {
//translate it
$translation = $translations[$key];
}
//if there are more arguments
if(!empty($args)) {
//it means the translations was
//something like 'Hello %s'
return vsprintf($translation, $args);
}
//just return what we got
return $translation;
});
//create a better if helper
$engine->registerHelper('when', function($value1, $operator, $value2, $options) {
$valid = false;
//the amazing reverse switch!
switch (true) {
case $operator == 'eq' && $value1 == $value2:
case $operator == '==' && $value1 == $value2:
case $operator == 'req' && $value1 === $value2:
case $operator == '===' && $value1 === $value2:
case $operator == 'neq' && $value1 != $value2:
case $operator == '!=' && $value1 != $value2:
case $operator == 'rneq' && $value1 !== $value2:
case $operator == '!==' && $value1 !== $value2:
case $operator == 'lt' && $value1 < $value2:
case $operator == '<' && $value1 < $value2:
case $operator == 'lte' && $value1 <= $value2:
case $operator == '<=' && $value1 <= $value2:
case $operator == 'gt' && $value1 > $value2:
case $operator == '>' && $value1 > $value2:
case $operator == 'gte' && $value1 >= $value2:
case $operator == '>=' && $value1 >= $value2:
case $operator == 'and' && $value1 && $value2:
case $operator == '&&' && ($value1 && $value2):
case $operator == 'or' && ($value1 || $value2):
case $operator == '||' && ($value1 || $value2):
$valid = true;
break;
}
if($valid) {
return $options['fn']();
}
return $options['inverse']();
});
//a loop helper
$engine->registerHelper('loop', function($object, $options) {
//expected for subtemplates of this block to use
// {{value.profile_name}} vs {{profile_name}}
// {{key}} vs {{@index}}
$i = 0;
$buffer = array();
$total = count($object);
//loop through the object
foreach($object as $key => $value) {
//call the sub template and
//add it to the buffer
$buffer[] = $options['fn'](array(
'key' => $key,
'value' => $value,
'last' => ++$i === $total
));
}
return implode('', $buffer);
});
//array in
$engine->registerHelper('in', function(array $array, $key, $options) {
if(in_array($key, $array)) {
return $options['fn']();
}
return $options['inverse']();
});
//converts date formats to other formats
$engine->registerHelper('date', function($time, $format, $options) {
return date($format, strtotime($time));
});
//nesting helpers, these don't really help anyone :)
$engine->registerHelper('nested1', function($test1, $test2, $options) {
return $options['fn'](array(
'test4' => $test1,
'test5' => 'This is Test 5'
));
});
$engine->registerHelper('nested2', function($options) {
return $options['fn'](array('test6' => 'This is Test 6'));
});
//NEXT UP: some practical case studies
//case 1 - i18n
$variable1 = array();
$template1 = "{{_ 'hello'}}, {{_ 'my name is %s' 'Foo'}}! {{_ 'how are your %s kids and %s' 6 'dog'}}?";
$expected1 = 'bonjour, mon nom est Foo! comment sont les enfants de votre 6 et dog?';
//case 2 - when
$variable2 = array('gender' => 'female');
$template2 = "Hello {{#when gender '===' 'male'}}sir{{else}}maam{{/when}}";
$expected2 = 'Hello maam';
//case 3 - when else
$variable3 = array('gender' => 'male');
$template3 = "Hello {{#when gender '===' 'male'}}sir{{else}}maam{{/when}}";
$expected3 = 'Hello sir';
//case 4 - loop
$variable4 = array(
'rows' => array(
array(
'profile_name' => 'Jane Doe',
'profile_created' => '2014-04-04 00:00:00'
),
array(
'profile_name' => 'John Doe',
'profile_created' => '2015-01-21 00:00:00'
)
)
);
$template4 = "{{#loop rows}}<li>{{value.profile_name}} - {{date value.profile_created 'M d'}}</li>{{/loop}}";
$expected4 = '<li>Jane Doe - Apr 04</li><li>John Doe - Jan 21</li>';
//case 5 - array in
$variable5 = $variable4;
$variable5['me'] = 'Jack Doe';
$variable5['admins'] = array('Jane Doe', 'John Doe');
$template5 = "{{#in admins me}}<ul>".$template4."</ul>{{else}}No Access{{/in}}";
$expected5 = 'No Access';
//case 6 - array in else
$variable6 = $variable5;
$variable6['me'] = 'Jane Doe';
$template6 = $template5;
$expected6 = '<ul><li>Jane Doe - Apr 04</li><li>John Doe - Jan 21</li></ul>';
//case 7 - nested templates and parent-grand variables
$variable7 = array('test' => 'Hello World');
$template7 = '{{#nested1 test "test2"}} '
.'In 1: {{test4}} {{#nested1 ../test \'test3\'}} '
.'In 2: {{test5}}{{#nested2}} '
.'In 3: {{test6}} {{../../../test}}{{/nested2}}{{/nested1}}{{/nested1}}';
$expected7 = ' In 1: Hello World In 2: This is Test 5 In 3: This is Test 6 Hello World';
//LAST UP: the actual testing
$this->assertEquals($expected1, $engine->render($template1, $variable1));
$this->assertEquals($expected2, $engine->render($template2, $variable2));
$this->assertEquals($expected3, $engine->render($template3, $variable3));
$this->assertEquals($expected4, $engine->render($template4, $variable4));
$this->assertEquals($expected5, $engine->render($template5, $variable5));
$this->assertEquals($expected6, $engine->render($template6, $variable6));
$this->assertEquals($expected7, $engine->render($template7, $variable7));
}
public function testInvalidHelper()
{