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1: <?php
2: /**
3: * Smarty Internal Plugin Compile Section
4: * Compiles the {section} {sectionelse} {/section} tags
5: *
6: * @package Smarty
7: * @subpackage Compiler
8: * @author Uwe Tews
9: */
10:
11: /**
12: * Smarty Internal Plugin Compile Section Class
13: *
14: * @package Smarty
15: * @subpackage Compiler
16: */
17: class Smarty_Internal_Compile_Section extends Smarty_Internal_Compile_Private_ForeachSection
18: {
19: /**
20: * Attribute definition: Overwrites base class.
21: *
22: * @var array
23: * @see Smarty_Internal_CompileBase
24: */
25: public $required_attributes = array('name', 'loop');
26:
27: /**
28: * Attribute definition: Overwrites base class.
29: *
30: * @var array
31: * @see Smarty_Internal_CompileBase
32: */
33: public $shorttag_order = array('name', 'loop');
34:
35: /**
36: * Attribute definition: Overwrites base class.
37: *
38: * @var array
39: * @see Smarty_Internal_CompileBase
40: */
41: public $optional_attributes = array('start', 'step', 'max', 'show', 'properties');
42:
43: /**
44: * counter
45: *
46: * @var int
47: */
48: public $counter = 0;
49:
50: /**
51: * Name of this tag
52: *
53: * @var string
54: */
55: public $tagName = 'section';
56:
57: /**
58: * Valid properties of $smarty.section.name.xxx variable
59: *
60: * @var array
61: */
62: public $nameProperties = array(
63: 'first', 'last', 'index', 'iteration', 'show', 'total', 'rownum', 'index_prev',
64: 'index_next', 'loop'
65: );
66:
67: /**
68: * {section} tag has no item properties
69: *
70: * @var array
71: */
72: public $itemProperties = null;
73:
74: /**
75: * {section} tag has always name attribute
76: *
77: * @var bool
78: */
79: public $isNamed = true;
80:
81: /**
82: * Compiles code for the {section} tag
83: *
84: * @param array $args array with attributes from parser
85: * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
86: *
87: * @return string compiled code
88: * @throws \SmartyCompilerException
89: * @throws \SmartyException
90: */
91: public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
92: {
93: $compiler->loopNesting++;
94: // check and get attributes
95: $_attr = $this->getAttributes($compiler, $args);
96: $attributes = array('name' => $compiler->getId($_attr[ 'name' ]));
97: unset($_attr[ 'name' ]);
98: foreach ($attributes as $a => $v) {
99: if ($v === false) {
100: $compiler->trigger_template_error("'{$a}' attribute/variable has illegal value", null, true);
101: }
102: }
103: $local = "\$__section_{$attributes['name']}_" . $this->counter++ . '_';
104: $sectionVar = "\$_smarty_tpl->tpl_vars['__smarty_section_{$attributes['name']}']";
105: $this->openTag($compiler, 'section', array('section', $compiler->nocache, $local, $sectionVar));
106: // maybe nocache because of nocache variables
107: $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
108: $initLocal = array();
109: $initNamedProperty = array();
110: $initFor = array();
111: $incFor = array();
112: $cmpFor = array();
113: $propValue = array(
114: 'index' => "{$sectionVar}->value['index']", 'show' => 'true', 'step' => 1,
115: 'iteration' => "{$local}iteration",
116: );
117: $propType = array('index' => 2, 'iteration' => 2, 'show' => 0, 'step' => 0,);
118: // search for used tag attributes
119: $this->scanForProperties($attributes, $compiler);
120: if (!empty($this->matchResults[ 'named' ])) {
121: $namedAttr = $this->matchResults[ 'named' ];
122: }
123: if (isset($_attr[ 'properties' ]) && preg_match_all("/['](.*?)[']/", $_attr[ 'properties' ], $match)) {
124: foreach ($match[ 1 ] as $prop) {
125: if (in_array($prop, $this->nameProperties)) {
126: $namedAttr[ $prop ] = true;
127: } else {
128: $compiler->trigger_template_error("Invalid property '{$prop}'", null, true);
129: }
130: }
131: }
132: $namedAttr[ 'index' ] = true;
133: $output = "<?php\n";
134: foreach ($_attr as $attr_name => $attr_value) {
135: switch ($attr_name) {
136: case 'loop':
137: if (is_numeric($attr_value)) {
138: $v = (int)$attr_value;
139: $t = 0;
140: } else {
141: $v = "(is_array(@\$_loop=$attr_value) ? count(\$_loop) : max(0, (int) \$_loop))";
142: $t = 1;
143: }
144: if ($t === 1) {
145: $initLocal[ 'loop' ] = $v;
146: $v = "{$local}loop";
147: }
148: break;
149: case 'show':
150: if (is_bool($attr_value)) {
151: $v = $attr_value ? 'true' : 'false';
152: $t = 0;
153: } else {
154: $v = "(bool) $attr_value";
155: $t = 3;
156: }
157: break;
158: case 'step':
159: if (is_numeric($attr_value)) {
160: $v = (int)$attr_value;
161: $v = ($v === 0) ? 1 : $v;
162: $t = 0;
163: break;
164: }
165: $initLocal[ 'step' ] = "((int)@$attr_value) === 0 ? 1 : (int)@$attr_value";
166: $v = "{$local}step";
167: $t = 2;
168: break;
169: case 'max':
170: case 'start':
171: if (is_numeric($attr_value)) {
172: $v = (int)$attr_value;
173: $t = 0;
174: break;
175: }
176: $v = "(int)@$attr_value";
177: $t = 3;
178: break;
179: }
180: if ($t === 3 && $compiler->getId($attr_value)) {
181: $t = 1;
182: }
183: $propValue[ $attr_name ] = $v;
184: $propType[ $attr_name ] = $t;
185: }
186: if (isset($namedAttr[ 'step' ])) {
187: $initNamedProperty[ 'step' ] = $propValue[ 'step' ];
188: }
189: if (isset($namedAttr[ 'iteration' ])) {
190: $propValue[ 'iteration' ] = "{$sectionVar}->value['iteration']";
191: }
192: $incFor[ 'iteration' ] = "{$propValue['iteration']}++";
193: $initFor[ 'iteration' ] = "{$propValue['iteration']} = 1";
194: if ($propType[ 'step' ] === 0) {
195: if ($propValue[ 'step' ] === 1) {
196: $incFor[ 'index' ] = "{$sectionVar}->value['index']++";
197: } elseif ($propValue[ 'step' ] > 1) {
198: $incFor[ 'index' ] = "{$sectionVar}->value['index'] += {$propValue['step']}";
199: } else {
200: $incFor[ 'index' ] = "{$sectionVar}->value['index'] -= " . -$propValue[ 'step' ];
201: }
202: } else {
203: $incFor[ 'index' ] = "{$sectionVar}->value['index'] += {$propValue['step']}";
204: }
205: if (!isset($propValue[ 'max' ])) {
206: $propValue[ 'max' ] = $propValue[ 'loop' ];
207: $propType[ 'max' ] = $propType[ 'loop' ];
208: } elseif ($propType[ 'max' ] !== 0) {
209: $propValue[ 'max' ] = "{$propValue['max']} < 0 ? {$propValue['loop']} : {$propValue['max']}";
210: $propType[ 'max' ] = 1;
211: } else {
212: if ($propValue[ 'max' ] < 0) {
213: $propValue[ 'max' ] = $propValue[ 'loop' ];
214: $propType[ 'max' ] = $propType[ 'loop' ];
215: }
216: }
217: if (!isset($propValue[ 'start' ])) {
218: $start_code =
219: array(1 => "{$propValue['step']} > 0 ? ", 2 => '0', 3 => ' : ', 4 => $propValue[ 'loop' ], 5 => ' - 1');
220: if ($propType[ 'loop' ] === 0) {
221: $start_code[ 5 ] = '';
222: $start_code[ 4 ] = $propValue[ 'loop' ] - 1;
223: }
224: if ($propType[ 'step' ] === 0) {
225: if ($propValue[ 'step' ] > 0) {
226: $start_code = array(1 => '0');
227: $propType[ 'start' ] = 0;
228: } else {
229: $start_code[ 1 ] = $start_code[ 2 ] = $start_code[ 3 ] = '';
230: $propType[ 'start' ] = $propType[ 'loop' ];
231: }
232: } else {
233: $propType[ 'start' ] = 1;
234: }
235: $propValue[ 'start' ] = join('', $start_code);
236: } else {
237: $start_code =
238: array(
239: 1 => "{$propValue['start']} < 0 ? ", 2 => 'max(', 3 => "{$propValue['step']} > 0 ? ", 4 => '0',
240: 5 => ' : ', 6 => '-1', 7 => ', ', 8 => "{$propValue['start']} + {$propValue['loop']}", 10 => ')',
241: 11 => ' : ', 12 => 'min(', 13 => $propValue[ 'start' ], 14 => ', ',
242: 15 => "{$propValue['step']} > 0 ? ", 16 => $propValue[ 'loop' ], 17 => ' : ',
243: 18 => $propType[ 'loop' ] === 0 ? $propValue[ 'loop' ] - 1 : "{$propValue['loop']} - 1",
244: 19 => ')'
245: );
246: if ($propType[ 'step' ] === 0) {
247: $start_code[ 3 ] = $start_code[ 5 ] = $start_code[ 15 ] = $start_code[ 17 ] = '';
248: if ($propValue[ 'step' ] > 0) {
249: $start_code[ 6 ] = $start_code[ 18 ] = '';
250: } else {
251: $start_code[ 4 ] = $start_code[ 16 ] = '';
252: }
253: }
254: if ($propType[ 'start' ] === 0) {
255: if ($propType[ 'loop' ] === 0) {
256: $start_code[ 8 ] = $propValue[ 'start' ] + $propValue[ 'loop' ];
257: }
258: $propType[ 'start' ] = $propType[ 'step' ] + $propType[ 'loop' ];
259: $start_code[ 1 ] = '';
260: if ($propValue[ 'start' ] < 0) {
261: for ($i = 11; $i <= 19; $i++) {
262: $start_code[ $i ] = '';
263: }
264: if ($propType[ 'start' ] === 0) {
265: $start_code = array(
266: max(
267: $propValue[ 'step' ] > 0 ? 0 : -1,
268: $propValue[ 'start' ] + $propValue[ 'loop' ]
269: )
270: );
271: }
272: } else {
273: for ($i = 1; $i <= 11; $i++) {
274: $start_code[ $i ] = '';
275: }
276: if ($propType[ 'start' ] === 0) {
277: $start_code =
278: array(
279: min(
280: $propValue[ 'step' ] > 0 ? $propValue[ 'loop' ] : $propValue[ 'loop' ] - 1,
281: $propValue[ 'start' ]
282: )
283: );
284: }
285: }
286: }
287: $propValue[ 'start' ] = join('', $start_code);
288: }
289: if ($propType[ 'start' ] !== 0) {
290: $initLocal[ 'start' ] = $propValue[ 'start' ];
291: $propValue[ 'start' ] = "{$local}start";
292: }
293: $initFor[ 'index' ] = "{$sectionVar}->value['index'] = {$propValue['start']}";
294: if (!isset($_attr[ 'start' ]) && !isset($_attr[ 'step' ]) && !isset($_attr[ 'max' ])) {
295: $propValue[ 'total' ] = $propValue[ 'loop' ];
296: $propType[ 'total' ] = $propType[ 'loop' ];
297: } else {
298: $propType[ 'total' ] =
299: $propType[ 'start' ] + $propType[ 'loop' ] + $propType[ 'step' ] + $propType[ 'max' ];
300: if ($propType[ 'total' ] === 0) {
301: $propValue[ 'total' ] =
302: min(
303: ceil(
304: ($propValue[ 'step' ] > 0 ? $propValue[ 'loop' ] - $propValue[ 'start' ] :
305: (int)$propValue[ 'start' ] + 1) / abs($propValue[ 'step' ])
306: ),
307: $propValue[ 'max' ]
308: );
309: } else {
310: $total_code = array(
311: 1 => 'min(', 2 => 'ceil(', 3 => '(', 4 => "{$propValue['step']} > 0 ? ",
312: 5 => $propValue[ 'loop' ], 6 => ' - ', 7 => $propValue[ 'start' ], 8 => ' : ',
313: 9 => $propValue[ 'start' ], 10 => '+ 1', 11 => ')', 12 => '/ ', 13 => 'abs(',
314: 14 => $propValue[ 'step' ], 15 => ')', 16 => ')', 17 => ", {$propValue['max']})",
315: );
316: if (!isset($propValue[ 'max' ])) {
317: $total_code[ 1 ] = $total_code[ 17 ] = '';
318: }
319: if ($propType[ 'loop' ] + $propType[ 'start' ] === 0) {
320: $total_code[ 5 ] = $propValue[ 'loop' ] - $propValue[ 'start' ];
321: $total_code[ 6 ] = $total_code[ 7 ] = '';
322: }
323: if ($propType[ 'start' ] === 0) {
324: $total_code[ 9 ] = (int)$propValue[ 'start' ] + 1;
325: $total_code[ 10 ] = '';
326: }
327: if ($propType[ 'step' ] === 0) {
328: $total_code[ 13 ] = $total_code[ 15 ] = '';
329: if ($propValue[ 'step' ] === 1 || $propValue[ 'step' ] === -1) {
330: $total_code[ 2 ] = $total_code[ 12 ] = $total_code[ 14 ] = $total_code[ 16 ] = '';
331: } elseif ($propValue[ 'step' ] < 0) {
332: $total_code[ 14 ] = -$propValue[ 'step' ];
333: }
334: $total_code[ 4 ] = '';
335: if ($propValue[ 'step' ] > 0) {
336: $total_code[ 8 ] = $total_code[ 9 ] = $total_code[ 10 ] = '';
337: } else {
338: $total_code[ 5 ] = $total_code[ 6 ] = $total_code[ 7 ] = $total_code[ 8 ] = '';
339: }
340: }
341: $propValue[ 'total' ] = join('', $total_code);
342: }
343: }
344: if (isset($namedAttr[ 'loop' ])) {
345: $initNamedProperty[ 'loop' ] = "'loop' => {$propValue['loop']}";
346: }
347: if (isset($namedAttr[ 'total' ])) {
348: $initNamedProperty[ 'total' ] = "'total' => {$propValue['total']}";
349: if ($propType[ 'total' ] > 0) {
350: $propValue[ 'total' ] = "{$sectionVar}->value['total']";
351: }
352: } elseif ($propType[ 'total' ] > 0) {
353: $initLocal[ 'total' ] = $propValue[ 'total' ];
354: $propValue[ 'total' ] = "{$local}total";
355: }
356: $cmpFor[ 'iteration' ] = "{$propValue['iteration']} <= {$propValue['total']}";
357: foreach ($initLocal as $key => $code) {
358: $output .= "{$local}{$key} = {$code};\n";
359: }
360: $_vars = 'array(' . join(', ', $initNamedProperty) . ')';
361: $output .= "{$sectionVar} = new Smarty_Variable({$_vars});\n";
362: $cond_code = "{$propValue['total']} !== 0";
363: if ($propType[ 'total' ] === 0) {
364: if ($propValue[ 'total' ] === 0) {
365: $cond_code = 'false';
366: } else {
367: $cond_code = 'true';
368: }
369: }
370: if ($propType[ 'show' ] > 0) {
371: $output .= "{$local}show = {$propValue['show']} ? {$cond_code} : false;\n";
372: $output .= "if ({$local}show) {\n";
373: } elseif ($propValue[ 'show' ] === 'true') {
374: $output .= "if ({$cond_code}) {\n";
375: } else {
376: $output .= "if (false) {\n";
377: }
378: $jinit = join(', ', $initFor);
379: $jcmp = join(', ', $cmpFor);
380: $jinc = join(', ', $incFor);
381: $output .= "for ({$jinit}; {$jcmp}; {$jinc}){\n";
382: if (isset($namedAttr[ 'rownum' ])) {
383: $output .= "{$sectionVar}->value['rownum'] = {$propValue['iteration']};\n";
384: }
385: if (isset($namedAttr[ 'index_prev' ])) {
386: $output .= "{$sectionVar}->value['index_prev'] = {$propValue['index']} - {$propValue['step']};\n";
387: }
388: if (isset($namedAttr[ 'index_next' ])) {
389: $output .= "{$sectionVar}->value['index_next'] = {$propValue['index']} + {$propValue['step']};\n";
390: }
391: if (isset($namedAttr[ 'first' ])) {
392: $output .= "{$sectionVar}->value['first'] = ({$propValue['iteration']} === 1);\n";
393: }
394: if (isset($namedAttr[ 'last' ])) {
395: $output .= "{$sectionVar}->value['last'] = ({$propValue['iteration']} === {$propValue['total']});\n";
396: }
397: $output .= '?>';
398: return $output;
399: }
400: }
401:
402: /**
403: * Smarty Internal Plugin Compile Sectionelse Class
404: *
405: * @package Smarty
406: * @subpackage Compiler
407: */
408: class Smarty_Internal_Compile_Sectionelse extends Smarty_Internal_CompileBase
409: {
410: /**
411: * Compiles code for the {sectionelse} tag
412: *
413: * @param array $args array with attributes from parser
414: * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
415: *
416: * @return string compiled code
417: */
418: public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
419: {
420: // check and get attributes
421: $_attr = $this->getAttributes($compiler, $args);
422: list($openTag, $nocache, $local, $sectionVar) = $this->closeTag($compiler, array('section'));
423: $this->openTag($compiler, 'sectionelse', array('sectionelse', $nocache, $local, $sectionVar));
424: return "<?php }} else {\n ?>";
425: }
426: }
427:
428: /**
429: * Smarty Internal Plugin Compile Sectionclose Class
430: *
431: * @package Smarty
432: * @subpackage Compiler
433: */
434: class Smarty_Internal_Compile_Sectionclose extends Smarty_Internal_CompileBase
435: {
436: /**
437: * Compiles code for the {/section} tag
438: *
439: * @param array $args array with attributes from parser
440: * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
441: *
442: * @return string compiled code
443: */
444: public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
445: {
446: $compiler->loopNesting--;
447: // must endblock be nocache?
448: if ($compiler->nocache) {
449: $compiler->tag_nocache = true;
450: }
451: list($openTag, $compiler->nocache, $local, $sectionVar) =
452: $this->closeTag($compiler, array('section', 'sectionelse'));
453: $output = "<?php\n";
454: if ($openTag === 'sectionelse') {
455: $output .= "}\n";
456: } else {
457: $output .= "}\n}\n";
458: }
459: $output .= '?>';
460: return $output;
461: }
462: }
463:
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