--- /dev/null
+<?php
+/**
+ * Smarty Internal Plugin Templateparser Parsetrees
+ *
+ * These are classes to build parsetrees in the template parser
+ *
+ * @package Smarty
+ * @subpackage Compiler
+ * @author Thue Kristensen
+ * @author Uwe Tews
+ */
+
+abstract class _smarty_parsetree {
+ abstract public function to_smarty_php();
+}
+
+/**
+ * A complete smarty tag.
+ */
+class _smarty_tag extends _smarty_parsetree
+{
+ public $parser;
+ public $data;
+ public $saved_block_nesting;
+ function __construct($parser, $data)
+ {
+ $this->parser = $parser;
+ $this->data = $data;
+ $this->saved_block_nesting = $parser->block_nesting_level;
+ }
+
+ public function to_smarty_php()
+ {
+ return $this->data;
+ }
+
+ public function assign_to_var()
+ {
+ $var = sprintf('$_tmp%d', ++$this->parser->prefix_number);
+ $this->parser->compiler->prefix_code[] = sprintf('<?php ob_start();?>%s<?php %s=ob_get_clean();?>',
+ $this->data, $var);
+ return $var;
+ }
+}
+
+/**
+ * Code fragment inside a tag.
+ */
+class _smarty_code extends _smarty_parsetree {
+ public $parser;
+ public $data;
+ function __construct($parser, $data)
+ {
+ $this->parser = $parser;
+ $this->data = $data;
+ }
+
+ public function to_smarty_php()
+ {
+ return sprintf("(%s)", $this->data);
+ }
+}
+
+/**
+ * Double quoted string inside a tag.
+ */
+class _smarty_doublequoted extends _smarty_parsetree {
+ public $parser;
+ public $subtrees = Array();
+ function __construct($parser, _smarty_parsetree $subtree)
+ {
+ $this->parser = $parser;
+ $this->subtrees[] = $subtree;
+ if ($subtree instanceof _smarty_tag) {
+ $this->parser->block_nesting_level = count($this->parser->compiler->_tag_stack);
+ }
+ }
+
+ function append_subtree(_smarty_parsetree $subtree)
+ {
+ $last_subtree = count($this->subtrees)-1;
+ if ($last_subtree >= 0 && $this->subtrees[$last_subtree] instanceof _smarty_tag && $this->subtrees[$last_subtree]->saved_block_nesting < $this->parser->block_nesting_level) {
+ if ($subtree instanceof _smarty_code) {
+ $this->subtrees[$last_subtree]->data .= '<?php echo ' . $subtree->data . ';?>';
+ } elseif ($subtree instanceof _smarty_dq_content) {
+ $this->subtrees[$last_subtree]->data .= '<?php echo "' . $subtree->data . '";?>';
+ } else {
+ $this->subtrees[$last_subtree]->data .= $subtree->data;
+ }
+ } else {
+ $this->subtrees[] = $subtree;
+ }
+ if ($subtree instanceof _smarty_tag) {
+ $this->parser->block_nesting_level = count($this->parser->compiler->_tag_stack);
+ }
+ }
+
+ public function to_smarty_php()
+ {
+ $code = '';
+ foreach ($this->subtrees as $subtree) {
+ if ($code !== "") {
+ $code .= ".";
+ }
+ if ($subtree instanceof _smarty_tag) {
+ $more_php = $subtree->assign_to_var();
+ } else {
+ $more_php = $subtree->to_smarty_php();
+ }
+
+ $code .= $more_php;
+
+ if (!$subtree instanceof _smarty_dq_content) {
+ $this->parser->compiler->has_variable_string = true;
+ }
+ }
+ return $code;
+ }
+}
+
+/**
+ * Raw chars as part of a double quoted string.
+ */
+class _smarty_dq_content extends _smarty_parsetree {
+ public $data;
+ function __construct($parser, $data)
+ {
+ $this->parser = $parser;
+ $this->data = $data;
+ }
+
+ public function to_smarty_php()
+ {
+ return '"' . $this->data . '"';
+ }
+}
+
+/**
+ * Template element
+ */
+class _smarty_template_buffer extends _smarty_parsetree {
+ public $subtrees = Array();
+ function __construct($parser)
+ {
+ $this->parser = $parser;
+ }
+
+ function append_subtree(_smarty_parsetree $subtree)
+ {
+ $this->subtrees[] = $subtree;
+ }
+
+ public function to_smarty_php()
+ {
+ $code = '';
+ for ($key = 0, $cnt = count($this->subtrees); $key < $cnt; $key++) {
+ if ($key + 2 < $cnt) {
+ if ($this->subtrees[$key] instanceof _smarty_linebreak && $this->subtrees[$key + 1] instanceof _smarty_tag && $this->subtrees[$key + 1]->data == '' && $this->subtrees[$key + 2] instanceof _smarty_linebreak) {
+ $key = $key + 1;
+ continue;
+ }
+ if (substr($this->subtrees[$key]->data, -1) == '<' && $this->subtrees[$key + 1]->data == '' && substr($this->subtrees[$key + 2]->data, -1) == '?') {
+ $key = $key + 2;
+ continue;
+ }
+ }
+ if (substr($code, -1) == '<') {
+ $subtree = $this->subtrees[$key]->to_smarty_php();
+ if (substr($subtree, 0, 1) == '?') {
+ $code = substr($code, 0, strlen($code)-1) . '<<?php ?>?' . substr($subtree, 1);
+ } elseif ($this->parser->asp_tags && substr($subtree, 0, 1) == '%') {
+ $code = substr($code, 0, strlen($code)-1) . '<<?php ?>%' . substr($subtree, 1);
+ } else {
+ $code .= $subtree;
+ }
+ continue;
+ }
+ if ($this->parser->asp_tags && substr($code, -1) == '%') {
+ $subtree = $this->subtrees[$key]->to_smarty_php();
+ if (substr($subtree, 0, 1) == '>') {
+ $code = substr($code, 0, strlen($code)-1) . '%<?php ?>>' . substr($subtree, 1);
+ } else {
+ $code .= $subtree;
+ }
+ continue;
+ }
+ if (substr($code, -1) == '?') {
+ $subtree = $this->subtrees[$key]->to_smarty_php();
+ if (substr($subtree, 0, 1) == '>') {
+ $code = substr($code, 0, strlen($code)-1) . '?<?php ?>>' . substr($subtree, 1);
+ } else {
+ $code .= $subtree;
+ }
+ continue;
+ }
+ $code .= $this->subtrees[$key]->to_smarty_php();
+ }
+ return $code;
+ }
+}
+
+/**
+ * template text
+ */
+class _smarty_text extends _smarty_parsetree {
+ public $data;
+ function __construct($parser, $data)
+ {
+ $this->parser = $parser;
+ $this->data = $data;
+ }
+
+ public function to_smarty_php()
+ {
+ return $this->data;
+ }
+}
+
+/**
+ * template linebreaks
+ */
+class _smarty_linebreak extends _smarty_parsetree {
+ public $data;
+ function __construct($parser, $data)
+ {
+ $this->parser = $parser;
+ $this->data = $data;
+ }
+
+ public function to_smarty_php()
+ {
+ return $this->data;
+ }
+}
+
+?>
\ No newline at end of file
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