1 files changed, 361 insertions, 395 deletions
diff --git a/library/Smarty/libs/sysplugins/smarty_internal_parsetree.php b/library/Smarty/libs/sysplugins/smarty_internal_parsetree.php
index c9fb1f762..186671021 100644
--- a/library/Smarty/libs/sysplugins/smarty_internal_parsetree.php
+++ b/library/Smarty/libs/sysplugins/smarty_internal_parsetree.php
@@ -1,395 +1,361 @@
-<?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
- */
-
-/**
- * @package Smarty
- * @subpackage Compiler
- * @ignore
- */
-abstract class _smarty_parsetree {
-
-    /**
-     * Parser object
-     * @var object
-     */
-    public $parser;
-    /**
-     * Buffer content
-     * @var mixed
-     */
-    public $data;
-
-    /**
-     * Return buffer
-     *
-     * @return string  buffer content
-     */
-    abstract public function to_smarty_php();
-
-}
-
-/**
- * A complete smarty tag.
- *
- * @package Smarty
- * @subpackage Compiler
- * @ignore
- */
-class _smarty_tag extends _smarty_parsetree {
-
-    /**
-     * Saved block nesting level
-     * @var int
-     */
-    public $saved_block_nesting;
-
-    /**
-     * Create parse tree buffer for Smarty tag
-     *
-     * @param object $parser    parser object
-     * @param string $data      content
-     */
-    public function __construct($parser, $data)
-    {
-        $this->parser = $parser;
-        $this->data = $data;
-        $this->saved_block_nesting = $parser->block_nesting_level;
-    }
-
-    /**
-     * Return buffer content
-     *
-     * @return string  content
-     */
-    public function to_smarty_php()
-    {
-        return $this->data;
-    }
-
-    /**
-     * Return complied code that loads the evaluated outout of buffer content into a temporary variable
-     *
-     * @return string template code
-     */
-    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.
- *
- * @package Smarty
- * @subpackage Compiler
- * @ignore
- */
-class _smarty_code extends _smarty_parsetree {
-
-
-    /**
-     * Create parse tree buffer for code fragment
-     *
-     * @param object $parser    parser object
-     * @param string $data      content
-     */
-    public function __construct($parser, $data)
-    {
-        $this->parser = $parser;
-        $this->data = $data;
-    }
-
-    /**
-     * Return buffer content in parentheses
-     *
-     * @return string  content
-     */
-    public function to_smarty_php()
-    {
-        return sprintf("(%s)", $this->data);
-    }
-
-}
-
-/**
- * Double quoted string inside a tag.
- *
- * @package Smarty
- * @subpackage Compiler
- * @ignore
- */
-class _smarty_doublequoted extends _smarty_parsetree {
-
-    /**
-     * Create parse tree buffer for double quoted string subtrees
-     *
-     * @param object $parser    parser object
-     * @param _smarty_parsetree $subtree    parsetree buffer
-     */
-    public function __construct($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);
-        }
-    }
-
-    /**
-     * Append buffer to subtree
-     *
-     * @param _smarty_parsetree $subtree  parsetree buffer
-     */
-    public 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);
-        }
-    }
-
-    /**
-     * Merge subtree buffer content together
-     *
-     * @return string  compiled template code
-     */
-    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.
- *
- * @package Smarty
- * @subpackage Compiler
- * @ignore
- */
-class _smarty_dq_content extends _smarty_parsetree {
-
-
-    /**
-     * Create parse tree buffer with string content
-     *
-     * @param object $parser  parser object
-     * @param string $data    string section
-     */
-    public function __construct($parser, $data)
-    {
-        $this->parser = $parser;
-        $this->data = $data;
-    }
-
-    /**
-     * Return content as double quoted string
-     *
-     * @return string doubled quoted string
-     */
-    public function to_smarty_php()
-    {
-        return '"' . $this->data . '"';
-    }
-
-}
-
-/**
- * Template element
- *
- * @package Smarty
- * @subpackage Compiler
- * @ignore
- */
-class _smarty_template_buffer extends _smarty_parsetree {
-
-    /**
-     * Array of template elements
-     *
-     * @var array
-     */
-    public $subtrees = Array();
-
-    /**
-     * Create root of parse tree for template elements
-     *
-     * @param object $parser    parse object
-     */
-    public function __construct($parser)
-    {
-        $this->parser = $parser;
-    }
-
-    /**
-     * Append buffer to subtree
-     *
-     * @param _smarty_parsetree $subtree
-     */
-    public function append_subtree(_smarty_parsetree $subtree)
-    {
-        $this->subtrees[] = $subtree;
-    }
-
-    /**
-     * Sanitize and merge subtree buffers together
-     *
-     * @return string template code content
-     */
-    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
- *
- * @package Smarty
- * @subpackage Compiler
- * @ignore
- */
-class _smarty_text extends _smarty_parsetree {
-
-
-    /**
-     * Create template text buffer
-     *
-     * @param object $parser    parser object
-     * @param string $data      text
-     */
-    public function __construct($parser, $data)
-    {
-        $this->parser = $parser;
-        $this->data = $data;
-    }
-
-    /**
-     * Return buffer content
-     *
-     * @return strint text
-     */
-    public function to_smarty_php()
-    {
-        return $this->data;
-    }
-
-}
-
-/**
- * template linebreaks
- *
- * @package Smarty
- * @subpackage Compiler
- * @ignore
- */
-class _smarty_linebreak extends _smarty_parsetree {
-
-    /**
-     * Create buffer with linebreak content
-     *
-     * @param object $parser    parser object
-     * @param string  $data     linebreak string
-     */
-    public function __construct($parser, $data)
-    {
-        $this->parser = $parser;
-        $this->data = $data;
-    }
-
-    /**
-     * Return linebrak
-     *
-     * @return string linebreak
-     */
-    public function to_smarty_php()
-    {
-        return $this->data;
-    }
-
-}
-
-?>
-\ No newline at end of file
+<?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
+ */
+
+/**
+ * @package    Smarty
+ * @subpackage Compiler
+ * @ignore
+ */
+abstract class _smarty_parsetree
+{
+    /**
+     * Parser object
+     *
+     * @var object
+     */
+    public $parser;
+    /**
+     * Buffer content
+     *
+     * @var mixed
+     */
+    public $data;
+
+    /**
+     * Subtree array
+     *
+     * @var array
+     */
+    public $subtrees = array();
+
+    /**
+     * Return buffer
+     *
+     * @return string buffer content
+     */
+    abstract public function to_smarty_php();
+}
+
+/**
+ * A complete smarty tag.
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @ignore
+ */
+class _smarty_tag extends _smarty_parsetree
+{
+    /**
+     * Saved block nesting level
+     *
+     * @var int
+     */
+    public $saved_block_nesting;
+
+    /**
+     * Create parse tree buffer for Smarty tag
+     *
+     * @param object $parser parser object
+     * @param string $data   content
+     */
+    public function __construct($parser, $data)
+    {
+        $this->parser = $parser;
+        $this->data = $data;
+        $this->saved_block_nesting = $parser->block_nesting_level;
+    }
+
+    /**
+     * Return buffer content
+     *
+     * @return string content
+     */
+    public function to_smarty_php()
+    {
+        return $this->data;
+    }
+
+    /**
+     * Return complied code that loads the evaluated output of buffer content into a temporary variable
+     *
+     * @return string template code
+     */
+    public function assign_to_var()
+    {
+        $var = sprintf('$_tmp%d', ++Smarty_Internal_Templateparser::$prefix_number);
+        $this->parser->compiler->prefix_code[] = sprintf("<?php ob_start();\n%s\n%s=ob_get_clean();?>", preg_replace(array('/^\s*<\?php\s+/','/\s*\?>\s*$/'), '', $this->data), $var);
+
+        return $var;
+    }
+}
+
+/**
+ * Code fragment inside a tag.
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @ignore
+ */
+class _smarty_code extends _smarty_parsetree
+{
+    /**
+     * Create parse tree buffer for code fragment
+     *
+     * @param object $parser parser object
+     * @param string $data   content
+     */
+    public function __construct($parser, $data)
+    {
+        $this->parser = $parser;
+        $this->data = $data;
+    }
+
+    /**
+     * Return buffer content in parentheses
+     *
+     * @return string content
+     */
+    public function to_smarty_php()
+    {
+        return sprintf("(%s)", $this->data);
+    }
+}
+
+/**
+ * Double quoted string inside a tag.
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @ignore
+ */
+class _smarty_doublequoted extends _smarty_parsetree
+{
+    /**
+     * Create parse tree buffer for double quoted string subtrees
+     *
+     * @param object            $parser  parser object
+     * @param _smarty_parsetree $subtree parsetree buffer
+     */
+    public function __construct($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);
+        }
+    }
+
+    /**
+     * Append buffer to subtree
+     *
+     * @param _smarty_parsetree $subtree parsetree buffer
+     */
+    public 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);
+        }
+    }
+
+    /**
+     * Merge subtree buffer content together
+     *
+     * @return string compiled template code
+     */
+    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.
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @ignore
+ */
+class _smarty_dq_content extends _smarty_parsetree
+{
+    /**
+     * Create parse tree buffer with string content
+     *
+     * @param object $parser parser object
+     * @param string $data   string section
+     */
+    public function __construct($parser, $data)
+    {
+        $this->parser = $parser;
+        $this->data = $data;
+    }
+
+    /**
+     * Return content as double quoted string
+     *
+     * @return string doubled quoted string
+     */
+    public function to_smarty_php()
+    {
+        return '"' . $this->data . '"';
+    }
+}
+
+/**
+ * Template element
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @ignore
+ */
+class _smarty_template_buffer extends _smarty_parsetree
+{
+    /**
+     * Array of template elements
+     *
+     * @var array
+     */
+    public $subtrees = Array();
+
+    /**
+     * Create root of parse tree for template elements
+     *
+     * @param object $parser parse object
+     */
+    public function __construct($parser)
+    {
+        $this->parser = $parser;
+    }
+
+    /**
+     * Append buffer to subtree
+     *
+     * @param _smarty_parsetree $subtree
+     */
+    public function append_subtree(_smarty_parsetree $subtree)
+    {
+        if ($subtree->data !== '') {
+            $this->subtrees[] = $subtree;
+        }
+    }
+
+    /**
+     * Sanitize and merge subtree buffers together
+     *
+     * @return string template code content
+     */
+    public function to_smarty_php()
+    {
+        $code = '';
+        for ($key = 0, $cnt = count($this->subtrees); $key < $cnt; $key ++) {
+            if ($this->subtrees[$key] instanceof _smarty_text) {
+                $subtree = $this->subtrees[$key]->to_smarty_php();
+                while ($key + 1 < $cnt && ($this->subtrees[$key+1] instanceof _smarty_text || $this->subtrees[$key +1]->data == '')) {
+                    $key++;
+                    if ($this->subtrees[$key]->data == '') {
+                        continue;
+                    }
+                    $subtree .= $this->subtrees[$key]->to_smarty_php();
+                }
+                if ($subtree == '') {
+                    continue;
+                }
+                $code .= preg_replace('/(<%|%>|<\?php|<\?|\?>|<\/?script)/', "<?php echo '\$1'; ?>\n", $subtree);
+                continue;
+            }
+            if ($this->subtrees[$key] instanceof _smarty_tag) {
+                $subtree = $this->subtrees[$key]->to_smarty_php();
+                while ($key + 1 < $cnt && ($this->subtrees[$key+1] instanceof _smarty_tag || $this->subtrees[$key +1]->data == '')) {
+                    $key++;
+                    if ($this->subtrees[$key]->data == '') {
+                        continue;
+                    }
+                    $newCode = $this->subtrees[$key]->to_smarty_php();
+                    if ((preg_match('/^\s*<\?php\s+/', $newCode) &&  preg_match('/\s*\?>\s*$/', $subtree))) {
+                        $subtree = preg_replace('/\s*\?>\s*$/', "\n", $subtree);
+                        $subtree .= preg_replace('/^\s*<\?php\s+/', '', $newCode);
+                    } else {
+                        $subtree .= $newCode;
+                    }
+                }
+                if ($subtree == '') {
+                    continue;
+                }
+                $code .= $subtree;
+                continue;
+            }
+            $code .= $this->subtrees[$key]->to_smarty_php();
+        }
+        return $code;
+    }
+
+}
+
+/**
+ * template text
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @ignore
+ */
+class _smarty_text extends _smarty_parsetree
+{
+    /**
+     * Create template text buffer
+     *
+     * @param object $parser parser object
+     * @param string $data   text
+     */
+    public function __construct($parser, $data)
+    {
+        $this->parser = $parser;
+        $this->data = $data;
+    }
+
+    /**
+     * Return buffer content
+     *
+     * @return strint text
+     */
+    public function to_smarty_php()
+    {
+        return $this->data;
+    }
+}