/Nette/Latte/Macros/UIMacros.php
PHP | 524 lines | 345 code | 98 blank | 81 comment | 68 complexity | ce1fbd44fc95c9d2eb9d794566885c6d MD5 | raw file
Possible License(s): BSD-3-Clause
- <?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'));
- $me->addMacro('#', array($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
- $last = $this->getCompiler()->getMacroNode();
- if ($last && ($last->name === 'block' || $last->name === '#')) {
- $this->getCompiler()->writeMacro('/' . $last->name);
- }
- $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->prefix) {
- $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->prefix) {
- $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->prefix === MacroNode::PREFIX_NONE // 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 $writer)
- {
- if ($node->name === 'widget') {
- trigger_error('Macro {widget} is deprecated; use {control} instead.', E_USER_DEPRECATED);
- }
- $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) $_ctrl->validateControl(); '
- . ($node->modifiers === '' ? "\$_ctrl->$method($param)" : $writer->write("ob_start(); \$_ctrl->$method($param); echo %modify(ob_get_clean())"));
- }
- /**
- * {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);
- }
- }
- }