1: <?php
2:
3: 4: 5: 6: 7: 8: 9: 10:
11:
12: namespace Nette\Latte\Macros;
13:
14: use Nette,
15: Nette\Latte,
16: Nette\Latte\CompileException,
17: Nette\Latte\MacroNode,
18: Nette\Latte\PhpWriter;
19:
20:
21:
22: 23: 24: 25: 26: 27: 28: 29: 30: 31: 32: 33: 34: 35: 36: 37: 38: 39: 40: 41: 42: 43: 44: 45:
46: class CoreMacros extends MacroSet
47: {
48:
49:
50: public static function install(Latte\Compiler $compiler)
51: {
52: $me = new static($compiler);
53:
54: $me->addMacro('if', array($me, 'macroIf'), array($me, 'macroEndIf'));
55: $me->addMacro('elseif', 'elseif (%node.args):');
56: $me->addMacro('else', array($me, 'macroElse'));
57: $me->addMacro('ifset', 'if (isset(%node.args)):', 'endif');
58: $me->addMacro('elseifset', 'elseif (isset(%node.args)):');
59:
60: $me->addMacro('foreach', '', array($me, 'macroEndForeach'));
61: $me->addMacro('for', 'for (%node.args):', 'endfor');
62: $me->addMacro('while', 'while (%node.args):', 'endwhile');
63: $me->addMacro('continueIf', 'if (%node.args) continue');
64: $me->addMacro('breakIf', 'if (%node.args) break');
65: $me->addMacro('first', 'if ($iterator->isFirst(%node.args)):', 'endif');
66: $me->addMacro('last', 'if ($iterator->isLast(%node.args)):', 'endif');
67: $me->addMacro('sep', 'if (!$iterator->isLast(%node.args)):', 'endif');
68:
69: $me->addMacro('var', array($me, 'macroVar'));
70: $me->addMacro('assign', array($me, 'macroVar'));
71: $me->addMacro('default', array($me, 'macroVar'));
72: $me->addMacro('dump', array($me, 'macroDump'));
73: $me->addMacro('debugbreak', array($me, 'macroDebugbreak'));
74: $me->addMacro('l', '?>{<?php');
75: $me->addMacro('r', '?>}<?php');
76:
77: $me->addMacro('_', array($me, 'macroTranslate'), array($me, 'macroTranslate'));
78: $me->addMacro('=', array($me, 'macroExpr'));
79: $me->addMacro('?', array($me, 'macroExpr'));
80:
81: $me->addMacro('capture', array($me, 'macroCapture'), array($me, 'macroCaptureEnd'));
82: $me->addMacro('include', array($me, 'macroInclude'));
83: $me->addMacro('use', array($me, 'macroUse'));
84:
85: $me->addMacro('class', NULL, NULL, array($me, 'macroClass'));
86: $me->addMacro('attr', array($me, 'macroOldAttr'), '', array($me, 'macroAttr'));
87: $me->addMacro('href', NULL);
88: }
89:
90:
91:
92: 93: 94: 95:
96: public function finalize()
97: {
98: return array('list($_l, $_g) = Nette\Latte\Macros\CoreMacros::initRuntime($template, '
99: . var_export($this->getCompiler()->getTemplateId(), TRUE) . ')');
100: }
101:
102:
103:
104:
105:
106:
107:
108: 109: 110:
111: public function macroIf(MacroNode $node, PhpWriter $writer)
112: {
113: if ($node->data->capture = ($node->args === '')) {
114: return 'ob_start()';
115: }
116: if ($node->prefix === $node::PREFIX_TAG) {
117: return $writer->write($node->htmlNode->closing ? 'if (array_pop($_l->ifs)):' : 'if ($_l->ifs[] = (%node.args)):');
118: }
119: return $writer->write('if (%node.args):');
120: }
121:
122:
123:
124: 125: 126:
127: public function macroEndIf(MacroNode $node, PhpWriter $writer)
128: {
129: if ($node->data->capture) {
130: if ($node->args === '') {
131: throw new CompileException('Missing condition in {if} macro.');
132: }
133: return $writer->write('if (%node.args) '
134: . (isset($node->data->else) ? '{ ob_end_clean(); ob_end_flush(); }' : 'ob_end_flush();')
135: . ' else '
136: . (isset($node->data->else) ? '{ $_else = ob_get_contents(); ob_end_clean(); ob_end_clean(); echo $_else; }' : 'ob_end_clean();')
137: );
138: }
139: return 'endif';
140: }
141:
142:
143:
144: 145: 146:
147: public function macroElse(MacroNode $node, PhpWriter $writer)
148: {
149: $ifNode = $node->parentNode;
150: if ($ifNode && $ifNode->name === 'if' && $ifNode->data->capture) {
151: if (isset($ifNode->data->else)) {
152: throw new CompileException("Macro {if} supports only one {else}.");
153: }
154: $ifNode->data->else = TRUE;
155: return 'ob_start()';
156: }
157: return 'else:';
158: }
159:
160:
161:
162: 163: 164:
165: public function macroTranslate(MacroNode $node, PhpWriter $writer)
166: {
167: if ($node->closing) {
168: return $writer->write('echo %modify($template->translate(ob_get_clean()))');
169:
170: } elseif ($node->isEmpty = ($node->args !== '')) {
171: return $writer->write('echo %modify($template->translate(%node.args))');
172:
173: } else {
174: return 'ob_start()';
175: }
176: }
177:
178:
179:
180: 181: 182:
183: public function macroInclude(MacroNode $node, PhpWriter $writer)
184: {
185: $code = $writer->write('Nette\Latte\Macros\CoreMacros::includeTemplate(%node.word, %node.array? + $template->getParameters(), $_l->templates[%var])',
186: $this->getCompiler()->getTemplateId());
187:
188: if ($node->modifiers) {
189: return $writer->write('echo %modify(%raw->__toString(TRUE))', $code);
190: } else {
191: return $code . '->render()';
192: }
193: }
194:
195:
196:
197: 198: 199:
200: public function macroUse(MacroNode $node, PhpWriter $writer)
201: {
202: callback($node->tokenizer->fetchWord(), 'install')->invoke($this->getCompiler())
203: ->initialize();
204: }
205:
206:
207:
208: 209: 210:
211: public function macroCapture(MacroNode $node, PhpWriter $writer)
212: {
213: $variable = $node->tokenizer->fetchWord();
214: if (substr($variable, 0, 1) !== '$') {
215: throw new CompileException("Invalid capture block variable '$variable'");
216: }
217: $node->data->variable = $variable;
218: return 'ob_start()';
219: }
220:
221:
222:
223: 224: 225:
226: public function macroCaptureEnd(MacroNode $node, PhpWriter $writer)
227: {
228: return $node->data->variable . $writer->write(" = %modify(ob_get_clean())");
229: }
230:
231:
232:
233: 234: 235:
236: public function macroEndForeach(MacroNode $node, PhpWriter $writer)
237: {
238: if (preg_match('#\W(\$iterator|include|require|get_defined_vars)\W#', $this->getCompiler()->expandTokens($node->content))) {
239: $node->openingCode = '<?php $iterations = 0; foreach ($iterator = $_l->its[] = new Nette\Iterators\CachingIterator('
240: . preg_replace('#(.*)\s+as\s+#i', '$1) as ', $writer->formatArgs(), 1) . '): ?>';
241: $node->closingCode = '<?php $iterations++; endforeach; array_pop($_l->its); $iterator = end($_l->its) ?>';
242: } else {
243: $node->openingCode = '<?php $iterations = 0; foreach (' . $writer->formatArgs() . '): ?>';
244: $node->closingCode = '<?php $iterations++; endforeach ?>';
245: }
246: }
247:
248:
249:
250: 251: 252:
253: public function macroClass(MacroNode $node, PhpWriter $writer)
254: {
255: return $writer->write('if ($_l->tmp = array_filter(%node.array)) echo \' class="\' . %escape(implode(" ", array_unique($_l->tmp))) . \'"\'');
256: }
257:
258:
259:
260: 261: 262:
263: public function macroAttr(MacroNode $node, PhpWriter $writer)
264: {
265: return $writer->write('echo Nette\Utils\Html::el(NULL, %node.array)->attributes()');
266: }
267:
268:
269:
270: 271: 272: 273:
274: public function macroOldAttr(MacroNode $node)
275: {
276: return Nette\Utils\Strings::replace($node->args . ' ', '#\)\s+#', ')->');
277: }
278:
279:
280:
281: 282: 283:
284: public function macroDump(MacroNode $node, PhpWriter $writer)
285: {
286: $args = $writer->formatArgs();
287: return 'Nette\Diagnostics\Debugger::barDump(' . ($node->args ? "array(" . $writer->write('%var', $args) . " => $args)" : 'get_defined_vars()')
288: . ', "Template " . str_replace(dirname(dirname($template->getFile())), "\xE2\x80\xA6", $template->getFile()))';
289: }
290:
291:
292:
293: 294: 295:
296: public function macroDebugbreak(MacroNode $node, PhpWriter $writer)
297: {
298: return $writer->write(($node->args == NULL ? '' : 'if (!(%node.args)); else')
299: . 'if (function_exists("debugbreak")) debugbreak(); elseif (function_exists("xdebug_break")) xdebug_break()');
300: }
301:
302:
303:
304: 305: 306: 307:
308: public function macroVar(MacroNode $node, PhpWriter $writer)
309: {
310: $out = '';
311: $var = TRUE;
312: $tokenizer = $writer->preprocess();
313: while ($token = $tokenizer->fetchToken()) {
314: if ($var && ($token['type'] === Latte\MacroTokenizer::T_SYMBOL || $token['type'] === Latte\MacroTokenizer::T_VARIABLE)) {
315: if ($node->name === 'default') {
316: $out .= "'" . ltrim($token['value'], "$") . "'";
317: } else {
318: $out .= '$' . ltrim($token['value'], "$");
319: }
320: $var = NULL;
321:
322: } elseif (($token['value'] === '=' || $token['value'] === '=>') && $token['depth'] === 0) {
323: $out .= $node->name === 'default' ? '=>' : '=';
324: $var = FALSE;
325:
326: } elseif ($token['value'] === ',' && $token['depth'] === 0) {
327: $out .= $node->name === 'default' ? ',' : ';';
328: $var = TRUE;
329:
330: } elseif ($var === NULL && $node->name === 'default' && $token['type'] !== Latte\MacroTokenizer::T_WHITESPACE) {
331: throw new CompileException("Unexpected '$token[value]' in {default $node->args}");
332:
333: } else {
334: $out .= $writer->canQuote($tokenizer) ? "'$token[value]'" : $token['value'];
335: }
336: }
337: return $node->name === 'default' ? "extract(array($out), EXTR_SKIP)" : $out;
338: }
339:
340:
341:
342: 343: 344: 345:
346: public function macroExpr(MacroNode $node, PhpWriter $writer)
347: {
348: return $writer->write(($node->name === '?' ? '' : 'echo ') . '%modify(%node.args)');
349: }
350:
351:
352:
353:
354:
355:
356:
357: 358: 359: 360: 361: 362: 363:
364: public static function includeTemplate($destination, array $params, Nette\Templating\ITemplate $template)
365: {
366: if ($destination instanceof Nette\Templating\ITemplate) {
367: $tpl = $destination;
368:
369: } elseif ($destination == NULL) {
370: throw new Nette\InvalidArgumentException("Template file name was not specified.");
371:
372: } elseif ($template instanceof Nette\Templating\IFileTemplate) {
373: if (substr($destination, 0, 1) !== '/' && substr($destination, 1, 1) !== ':') {
374: $destination = dirname($template->getFile()) . '/' . $destination;
375: }
376: $tpl = clone $template;
377: $tpl->setFile($destination);
378:
379: } else {
380: throw new Nette\NotSupportedException('Macro {include "filename"} is supported only with Nette\Templating\IFileTemplate.');
381: }
382:
383: $tpl->setParameters($params);
384: return $tpl;
385: }
386:
387:
388:
389: 390: 391: 392: 393: 394:
395: public static function initRuntime(Nette\Templating\ITemplate $template, $templateId)
396: {
397:
398: if (isset($template->_l)) {
399: $local = $template->_l;
400: unset($template->_l);
401: } else {
402: $local = (object) NULL;
403: }
404: $local->templates[$templateId] = $template;
405:
406:
407: if (!isset($template->_g)) {
408: $template->_g = (object) NULL;
409: }
410:
411: return array($local, $template->_g);
412: }
413:
414: }
415: