%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* This file is part of the Nette Framework (http://nette.org)
*
* Copyright (c) 2004 David Grudl (http://davidgrudl.com)
*
* For the full copyright and license information, please view
* the file license.txt that was distributed with this source code.
*/
namespace Nette\Latte\Macros;
use Nette,
Nette\Latte,
Nette\Latte\MacroNode,
Nette\Latte\PhpWriter,
Nette\Latte\CompileException,
Nette\Utils\Strings;
/**
* Macros for Nette\Application\UI.
*
* - {link destination ...} control link
* - {plink destination ...} presenter link
* - {snippet ?} ... {/snippet ?} control snippet
* - {contentType ...} HTTP Content-Type header
* - {status ...} HTTP status
*
* @author David Grudl
*/
class UIMacros extends MacroSet
{
/** @var array */
private $namedBlocks = array();
/** @var bool */
private $extends;
public static function install(Latte\Compiler $compiler)
{
$me = new static($compiler);
$me->addMacro('include', array($me, 'macroInclude'));
$me->addMacro('includeblock', array($me, 'macroIncludeBlock'));
$me->addMacro('extends', array($me, 'macroExtends'));
$me->addMacro('layout', array($me, 'macroExtends'));
$me->addMacro('block', array($me, 'macroBlock'), array($me, 'macroBlockEnd'));
$me->addMacro('define', array($me, 'macroBlock'), array($me, 'macroBlockEnd'));
$me->addMacro('snippet', array($me, 'macroBlock'), array($me, 'macroBlockEnd'));
$me->addMacro('ifset', array($me, 'macroIfset'), 'endif');
$me->addMacro('widget', array($me, 'macroControl')); // deprecated - use control
$me->addMacro('control', array($me, 'macroControl'));
$me->addMacro('href', NULL, NULL, function(MacroNode $node, PhpWriter $writer) use ($me) {
return ' ?> href="<?php ' . $me->macroLink($node, $writer) . ' ?>"<?php ';
});
$me->addMacro('plink', array($me, 'macroLink'));
$me->addMacro('link', array($me, 'macroLink'));
$me->addMacro('ifCurrent', array($me, 'macroIfCurrent'), 'endif'); // deprecated; use n:class="$presenter->linkCurrent ? ..."
$me->addMacro('contentType', array($me, 'macroContentType'));
$me->addMacro('status', array($me, 'macroStatus'));
}
/**
* Initializes before template parsing.
* @return void
*/
public function initialize()
{
$this->namedBlocks = array();
$this->extends = NULL;
}
/**
* Finishes template parsing.
* @return array(prolog, epilog)
*/
public function finalize()
{
// try close last block
try {
$this->getCompiler()->writeMacro('/block');
} catch (CompileException $e) {
}
$epilog = $prolog = array();
if ($this->namedBlocks) {
foreach ($this->namedBlocks as $name => $code) {
$func = '_lb' . substr(md5($this->getCompiler()->getTemplateId() . $name), 0, 10) . '_' . preg_replace('#[^a-z0-9_]#i', '_', $name);
$snippet = $name[0] === '_';
$prolog[] = "//\n// block $name\n//\n"
. "if (!function_exists(\$_l->blocks[" . var_export($name, TRUE) . "][] = '$func')) { "
. "function $func(\$_l, \$_args) { "
. (PHP_VERSION_ID > 50208 ? 'extract($_args)' : 'foreach ($_args as $__k => $__v) $$__k = $__v') // PHP bug #46873
. ($snippet ? '; $_control->validateControl(' . var_export(substr($name, 1), TRUE) . ')' : '')
. "\n?>$code<?php\n}}";
}
$prolog[] = "//\n// end of blocks\n//";
}
if ($this->namedBlocks || $this->extends) {
$prolog[] = "// template extending and snippets support";
$prolog[] = '$_l->extends = '
. ($this->extends ? $this->extends : 'empty($template->_extended) && isset($_control) && $_control instanceof Nette\Application\UI\Presenter ? $_control->findLayoutTemplateFile() : NULL')
. '; $template->_extended = $_extended = TRUE;';
$prolog[] = '
if ($_l->extends) {
' . ($this->namedBlocks ? 'ob_start();' : 'return Nette\Latte\Macros\CoreMacros::includeTemplate($_l->extends, get_defined_vars(), $template)->render();') . '
} elseif (!empty($_control->snippetMode)) {
return Nette\Latte\Macros\UIMacros::renderSnippets($_control, $_l, get_defined_vars());
}';
} else {
$prolog[] = '
// snippets support
if (!empty($_control->snippetMode)) {
return Nette\Latte\Macros\UIMacros::renderSnippets($_control, $_l, get_defined_vars());
}';
}
return array(implode("\n\n", $prolog), implode("\n", $epilog));
}
/********************* macros ****************d*g**/
/**
* {include #block}
*/
public function macroInclude(MacroNode $node, PhpWriter $writer)
{
$destination = $node->tokenizer->fetchWord(); // destination [,] [params]
if (substr($destination, 0, 1) !== '#') {
return FALSE;
}
$destination = ltrim($destination, '#');
$parent = $destination === 'parent';
if ($destination === 'parent' || $destination === 'this') {
for ($item = $node->parentNode; $item && $item->name !== 'block' && !isset($item->data->name); $item = $item->parentNode);
if (!$item) {
throw new CompileException("Cannot include $destination block outside of any block.");
}
$destination = $item->data->name;
}
$name = Strings::contains($destination, '$') ? $destination : var_export($destination, TRUE);
if (isset($this->namedBlocks[$destination]) && !$parent) {
$cmd = "call_user_func(reset(\$_l->blocks[$name]), \$_l, %node.array? + get_defined_vars())";
} else {
$cmd = 'Nette\Latte\Macros\UIMacros::callBlock' . ($parent ? 'Parent' : '') . "(\$_l, $name, %node.array? + " . ($parent ? 'get_defined_vars' : '$template->getParameters') . '())';
}
if ($node->modifiers) {
return $writer->write("ob_start(); $cmd; echo %modify(ob_get_clean())");
} else {
return $writer->write($cmd);
}
}
/**
* {includeblock "file"}
*/
public function macroIncludeBlock(MacroNode $node, PhpWriter $writer)
{
return $writer->write('Nette\Latte\Macros\CoreMacros::includeTemplate(%node.word, %node.array? + get_defined_vars(), $_l->templates[%var])->render()',
$this->getCompiler()->getTemplateId());
}
/**
* {extends auto | none | $var | "file"}
*/
public function macroExtends(MacroNode $node, PhpWriter $writer)
{
if (!$node->args) {
throw new CompileException("Missing destination in {extends}");
}
if (!empty($node->parentNode)) {
throw new CompileException("{extends} must be placed outside any macro.");
}
if ($this->extends !== NULL) {
throw new CompileException("Multiple {extends} declarations are not allowed.");
}
if ($node->args === 'none') {
$this->extends = 'FALSE';
} elseif ($node->args === 'auto') {
$this->extends = '$_presenter->findLayoutTemplateFile()';
} else {
$this->extends = $writer->write('%node.word%node.args');
}
return;
}
/**
* {block [[#]name]}
* {snippet [name [,]] [tag]}
* {define [#]name}
*/
public function macroBlock(MacroNode $node, PhpWriter $writer)
{
$name = $node->tokenizer->fetchWord();
if ($node->name === 'block' && $name === FALSE) { // anonymous block
return $node->modifiers === '' ? '' : 'ob_start()';
}
$node->data->name = $name = ltrim($name, '#');
if ($name == NULL) {
if ($node->name !== 'snippet') {
throw new CompileException("Missing block name.");
}
} elseif (Strings::contains($name, '$')) { // dynamic block/snippet
if ($node->name === 'snippet') {
for ($parent = $node->parentNode; $parent && $parent->name !== 'snippet'; $parent = $parent->parentNode);
if (!$parent) {
throw new CompileException("Dynamic snippets are allowed only inside static snippet.");
}
$parent->data->dynamic = TRUE;
$node->data->leave = TRUE;
$node->closingCode = "<?php \$_dynSnippets[\$_dynSnippetId] = ob_get_flush() ?>";
if ($node->htmlNode) {
$node->attrCode = $writer->write("<?php echo ' id=\"' . (\$_dynSnippetId = \$_control->getSnippetId({$writer->formatWord($name)})) . '\"' ?>");
return $writer->write('ob_start()');
}
$tag = trim($node->tokenizer->fetchWord(), '<>');
$tag = $tag ? $tag : 'div';
$node->closingCode .= "\n</$tag>";
return $writer->write("?>\n<$tag id=\"<?php echo \$_dynSnippetId = \$_control->getSnippetId({$writer->formatWord($name)}) ?>\"><?php ob_start()");
} else {
$node->data->leave = TRUE;
$fname = $writer->formatWord($name);
$node->closingCode = "<?php }} " . ($node->name === 'define' ? '' : "call_user_func(reset(\$_l->blocks[$fname]), \$_l, get_defined_vars())") . " ?>";
$func = '_lb' . substr(md5($this->getCompiler()->getTemplateId() . $name), 0, 10) . '_' . preg_replace('#[^a-z0-9_]#i', '_', $name);
return "\n\n//\n// block $name\n//\n"
. "if (!function_exists(\$_l->blocks[$fname]['{$this->getCompiler()->getTemplateId()}'] = '$func')) { "
. "function $func(\$_l, \$_args) { "
. (PHP_VERSION_ID > 50208 ? 'extract($_args)' : 'foreach ($_args as $__k => $__v) $$__k = $__v'); // PHP bug #46873
}
}
// static block/snippet
if ($node->name === 'snippet') {
$node->data->name = $name = '_' . $name;
}
if (isset($this->namedBlocks[$name])) {
throw new CompileException("Cannot redeclare static block '$name'");
}
$prolog = $this->namedBlocks ? '' : "if (\$_l->extends) { ob_end_clean(); return Nette\\Latte\\Macros\\CoreMacros::includeTemplate(\$_l->extends, get_defined_vars(), \$template)->render(); }\n";
$top = empty($node->parentNode);
$this->namedBlocks[$name] = TRUE;
$include = 'call_user_func(reset($_l->blocks[%var]), $_l, ' . ($node->name === 'snippet' ? '$template->getParameters()' : 'get_defined_vars()') . ')';
if ($node->modifiers) {
$include = "ob_start(); $include; echo %modify(ob_get_clean())";
}
if ($node->name === 'snippet') {
if ($node->htmlNode) {
$node->attrCode = $writer->write('<?php echo \' id="\' . $_control->getSnippetId(%var) . \'"\' ?>', (string) substr($name, 1));
return $writer->write($prolog . $include, $name);
}
$tag = trim($node->tokenizer->fetchWord(), '<>');
$tag = $tag ? $tag : 'div';
return $writer->write("$prolog ?>\n<$tag id=\"<?php echo \$_control->getSnippetId(%var) ?>\"><?php $include ?>\n</$tag><?php ",
(string) substr($name, 1), $name
);
} elseif ($node->name === 'define') {
return $prolog;
} else {
return $writer->write($prolog . $include, $name);
}
}
/**
* {/block}
* {/snippet}
* {/define}
*/
public function macroBlockEnd(MacroNode $node, PhpWriter $writer)
{
if (isset($node->data->name)) { // block, snippet, define
if ($node->name === 'snippet' && $node->htmlNode && !$node->prefix // n:snippet -> n:inner-snippet
&& preg_match('#^.*? n:\w+>\n?#s', $node->content, $m1) && preg_match('#[ \t]*<[^<]+\z#s', $node->content, $m2))
{
$node->openingCode = $m1[0] . $node->openingCode;
$node->content = substr($node->content, strlen($m1[0]), -strlen($m2[0]));
$node->closingCode .= $m2[0];
}
if (empty($node->data->leave)) {
if (!empty($node->data->dynamic)) {
$node->content .= '<?php if (isset($_dynSnippets)) return $_dynSnippets; ?>';
}
$this->namedBlocks[$node->data->name] = $tmp = rtrim(ltrim($node->content, "\n"), " \t");
$node->content = substr_replace($node->content, $node->openingCode . "\n", strspn($node->content, "\n"), strlen($tmp));
$node->openingCode = "<?php ?>";
}
} elseif ($node->modifiers) { // anonymous block with modifier
return $writer->write('echo %modify(ob_get_clean())');
}
}
/**
* {ifset #block}
*/
public function macroIfset(MacroNode $node, PhpWriter $writer)
{
if (!Strings::contains($node->args, '#')) {
return FALSE;
}
$list = array();
while (($name = $node->tokenizer->fetchWord()) !== FALSE) {
$list[] = $name[0] === '#' ? '$_l->blocks["' . substr($name, 1) . '"]' : $name;
}
return 'if (isset(' . implode(', ', $list) . ')):';
}
/**
* {control name[:method] [params]}
*/
public function macroControl(MacroNode $node, PhpWriter $writer)
{
$pair = $node->tokenizer->fetchWord();
if ($pair === FALSE) {
throw new CompileException("Missing control name in {control}");
}
$pair = explode(':', $pair, 2);
$name = $writer->formatWord($pair[0]);
$method = isset($pair[1]) ? ucfirst($pair[1]) : '';
$method = Strings::match($method, '#^\w*\z#') ? "render$method" : "{\"render$method\"}";
$param = $writer->formatArray();
if (!Strings::contains($node->args, '=>')) {
$param = substr($param, 6, -1); // removes array()
}
return ($name[0] === '$' ? "if (is_object($name)) \$_ctrl = $name; else " : '')
. '$_ctrl = $_control->getComponent(' . $name . '); '
. 'if ($_ctrl instanceof Nette\Application\UI\IRenderable) $_ctrl->validateControl(); '
. "\$_ctrl->$method($param)";
}
/**
* {link destination [,] [params]}
* {plink destination [,] [params]}
* n:href="destination [,] [params]"
*/
public function macroLink(MacroNode $node, PhpWriter $writer)
{
return $writer->write('echo %escape(%modify(' . ($node->name === 'plink' ? '$_presenter' : '$_control') . '->link(%node.word, %node.array?)))');
}
/**
* {ifCurrent destination [,] [params]}
*/
public function macroIfCurrent(MacroNode $node, PhpWriter $writer)
{
return $writer->write(($node->args ? 'try { $_presenter->link(%node.word, %node.array?); } catch (Nette\Application\UI\InvalidLinkException $e) {}' : '')
. '; if ($_presenter->getLastCreatedRequestFlag("current")):');
}
/**
* {contentType ...}
*/
public function macroContentType(MacroNode $node, PhpWriter $writer)
{
if (Strings::contains($node->args, 'xhtml')) {
$this->getCompiler()->setContentType(Latte\Compiler::CONTENT_XHTML);
} elseif (Strings::contains($node->args, 'html')) {
$this->getCompiler()->setContentType(Latte\Compiler::CONTENT_HTML);
} elseif (Strings::contains($node->args, 'xml')) {
$this->getCompiler()->setContentType(Latte\Compiler::CONTENT_XML);
} elseif (Strings::contains($node->args, 'javascript')) {
$this->getCompiler()->setContentType(Latte\Compiler::CONTENT_JS);
} elseif (Strings::contains($node->args, 'css')) {
$this->getCompiler()->setContentType(Latte\Compiler::CONTENT_CSS);
} elseif (Strings::contains($node->args, 'calendar')) {
$this->getCompiler()->setContentType(Latte\Compiler::CONTENT_ICAL);
} else {
$this->getCompiler()->setContentType(Latte\Compiler::CONTENT_TEXT);
}
// temporary solution
if (Strings::contains($node->args, '/')) {
return $writer->write('$netteHttpResponse->setHeader("Content-Type", %var)', $node->args);
}
}
/**
* {status ...}
*/
public function macroStatus(MacroNode $node, PhpWriter $writer)
{
return $writer->write((substr($node->args, -1) === '?' ? 'if (!$netteHttpResponse->isSent()) ' : '') .
'$netteHttpResponse->setCode(%var)', (int) $node->args
);
}
/********************* run-time writers ****************d*g**/
/**
* Calls block.
* @return void
*/
public static function callBlock(\stdClass $context, $name, array $params)
{
if (empty($context->blocks[$name])) {
throw new Nette\InvalidStateException("Cannot include undefined block '$name'.");
}
$block = reset($context->blocks[$name]);
$block($context, $params);
}
/**
* Calls parent block.
* @return void
*/
public static function callBlockParent(\stdClass $context, $name, array $params)
{
if (empty($context->blocks[$name]) || ($block = next($context->blocks[$name])) === FALSE) {
throw new Nette\InvalidStateException("Cannot include undefined parent block '$name'.");
}
$block($context, $params);
}
public static function renderSnippets(Nette\Application\UI\Control $control, \stdClass $local, array $params)
{
$control->snippetMode = FALSE;
$payload = $control->getPresenter()->getPayload();
if (isset($local->blocks)) {
foreach ($local->blocks as $name => $function) {
if ($name[0] !== '_' || !$control->isControlInvalid(substr($name, 1))) {
continue;
}
ob_start();
$function = reset($function);
$snippets = $function($local, $params);
$payload->snippets[$id = $control->getSnippetId(substr($name, 1))] = ob_get_clean();
if ($snippets) {
$payload->snippets += $snippets;
unset($payload->snippets[$id]);
}
}
}
$control->snippetMode = TRUE;
if ($control instanceof Nette\Application\UI\IRenderable) {
$queue = array($control);
do {
foreach (array_shift($queue)->getComponents() as $child) {
if ($child instanceof Nette\Application\UI\IRenderable) {
if ($child->isControlInvalid()) {
$child->snippetMode = TRUE;
$child->render();
$child->snippetMode = FALSE;
}
} elseif ($child instanceof Nette\ComponentModel\IContainer) {
$queue[] = $child;
}
}
} while ($queue);
}
}
}
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