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