1 files changed, 97 insertions, 0 deletions
diff --git a/src/ParseTree/Dq.php b/src/ParseTree/Dq.php
new file mode 100644
index 00000000..27c3db9f
--- /dev/null
+++ b/src/ParseTree/Dq.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace Smarty\ParseTree;
+/**
+ * Double-quoted string inside a tag.
+ *
+
+
+ * @ignore
+ */
+
+/**
+ * Double quoted string inside a tag.
+ *
+
+
+ * @ignore
+ */
+class Dq extends Base
+{
+    /**
+     * Create parse tree buffer for double-quoted string subtrees
+     *
+     * @param object                    $parser  parser object
+     * @param Base $subtree parse tree buffer
+     */
+    public function __construct($parser, Base $subtree)
+    {
+        $this->subtrees[] = $subtree;
+        if ($subtree instanceof Tag) {
+            $parser->block_nesting_level = $parser->compiler->getTagStackCount();
+        }
+    }
+
+    /**
+     * Append buffer to subtree
+     *
+     * @param \Smarty\Parser\TemplateParser $parser
+     * @param Base $subtree parse tree buffer
+     */
+    public function append_subtree(\Smarty\Parser\TemplateParser $parser, Base $subtree)
+    {
+        $last_subtree = count($this->subtrees) - 1;
+        if ($last_subtree >= 0 && $this->subtrees[ $last_subtree ] instanceof Tag
+            && $this->subtrees[ $last_subtree ]->saved_block_nesting < $parser->block_nesting_level
+        ) {
+            if ($subtree instanceof Code) {
+                $this->subtrees[ $last_subtree ]->data =
+                    $parser->compiler->appendCode(
+                        $this->subtrees[ $last_subtree ]->data,
+                        '<?php echo ' . $subtree->data . ';?>'
+                    );
+            } elseif ($subtree instanceof DqContent) {
+                $this->subtrees[ $last_subtree ]->data =
+                    $parser->compiler->appendCode(
+                        $this->subtrees[ $last_subtree ]->data,
+                        '<?php echo "' . $subtree->data . '";?>'
+                    );
+            } else {
+                $this->subtrees[ $last_subtree ]->data =
+                    $parser->compiler->appendCode($this->subtrees[ $last_subtree ]->data, $subtree->data);
+            }
+        } else {
+            $this->subtrees[] = $subtree;
+        }
+        if ($subtree instanceof Tag) {
+            $parser->block_nesting_level = $parser->compiler->getTagStackCount();
+        }
+    }
+
+    /**
+     * Merge subtree buffer content together
+     *
+     * @param \Smarty\Parser\TemplateParser $parser
+     *
+     * @return string compiled template code
+     */
+    public function to_smarty_php(\Smarty\Parser\TemplateParser $parser)
+    {
+        $code = '';
+        foreach ($this->subtrees as $subtree) {
+            if ($code !== '') {
+                $code .= '.';
+            }
+            if ($subtree instanceof Tag) {
+                $more_php = $subtree->assign_to_var($parser);
+            } else {
+                $more_php = $subtree->to_smarty_php($parser);
+            }
+            $code .= $more_php;
+            if (!$subtree instanceof DqContent) {
+                $parser->compiler->has_variable_string = true;
+            }
+        }
+        return $code;
+    }
+}