fix strings in test, make more methods private

include/inja/environment.hpp

@@ -106,6 +106,10 @@ public:
     return result;
   }
 
+  Template parse_file(const std::string &filename) {
+    return parse_template(filename);
+  }
+
   std::string render(nonstd::string_view input, const json &data) { return render(parse(input), data); }
 
   std::string render(const Template &tmpl, const json &data) {

include/inja/node.hpp

@@ -47,7 +47,9 @@ public:
   virtual void visit(const IncludeStatementNode& node) = 0;
 };
 
-
+/*!
+ * \brief Base node class for the abstract syntax tree (AST).
+ */
 class AstNode {
 public:
   virtual void accept(NodeVisitor& v) const = 0;

include/inja/parser.hpp

@@ -75,12 +75,6 @@ class Parser {
     current_expression_list->rpn_output.emplace_back(std::make_shared<LiteralNode>(json::parse(json_text), json_text.data() - content_ptr));
   }
 
-
-public:
-  explicit Parser(const ParserConfig &parser_config, const LexerConfig &lexer_config,
-                  TemplateStorage &template_storage, const FunctionStorage &function_storage)
-      : config(parser_config), lexer(lexer_config), template_storage(template_storage), function_storage(function_storage) { }
-
   bool parse_expression(Template &tmpl, Token::Kind closing) {
     while (tok.kind != closing && tok.kind != Token::Kind::Eof) {
       // Literals
@@ -521,6 +515,12 @@ public:
     }
   }
 
+
+public:
+  explicit Parser(const ParserConfig &parser_config, const LexerConfig &lexer_config,
+                  TemplateStorage &template_storage, const FunctionStorage &function_storage)
+      : config(parser_config), lexer(lexer_config), template_storage(template_storage), function_storage(function_storage) { }
+
   Template parse(nonstd::string_view input, nonstd::string_view path) {
     auto result = Template(static_cast<std::string>(input));
     parse_into(result, path);

include/inja/renderer.hpp

@@ -140,10 +140,6 @@ class Renderer : public NodeVisitor  {
     return result;
   }
 
-public:
-  Renderer(const RenderConfig& config, const TemplateStorage &template_storage, const FunctionStorage &function_storage)
-      : config(config), template_storage(template_storage), function_storage(function_storage) { }
-
   void visit(const BlockNode& node) {
     for (auto& n : node.nodes) {
       n->accept(*this);
@@ -567,6 +563,10 @@ public:
     }
   }
 
+public:
+  Renderer(const RenderConfig& config, const TemplateStorage &template_storage, const FunctionStorage &function_storage)
+      : config(config), template_storage(template_storage), function_storage(function_storage) { }
+
   void render_to(std::ostream &os, const Template &tmpl, const json &data, json *loop_data = nullptr) {
     output_stream = &os;
     current_template = &tmpl;

include/inja/statistics.hpp

@@ -11,11 +11,7 @@ namespace inja {
 /*!
  * \brief A class for counting statistics on a Template.
  */
-struct StatisticsVisitor : public NodeVisitor {
-  unsigned int variable_counter;
-
-  explicit StatisticsVisitor() : variable_counter(0) { }
-
+class StatisticsVisitor : public NodeVisitor {
   void visit(const BlockNode& node) {
     for (auto& n : node.nodes) {
       n->accept(*this);
@@ -58,6 +54,11 @@ struct StatisticsVisitor : public NodeVisitor {
   }
 
   void visit(const IncludeStatementNode&) { }
+
+public:
+  unsigned int variable_counter;
+
+  explicit StatisticsVisitor() : variable_counter(0) { }
 };
 
 } // namespace inja