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