Undo PIMPL pattern in Environment (#127)
* resync single_include
* Undo PIMPL pattern in Environment
* Environment now supports copy construction and assignment
* Add test for copying Environment
Closes #126
diff --git a/include/inja/environment.hpp b/include/inja/environment.hpp
index 05bb5e8..a8dd22d 100644
--- a/include/inja/environment.hpp
+++ b/include/inja/environment.hpp
@@ -28,84 +28,64 @@
* \brief Class for changing the configuration.
*/
class Environment {
- class Impl {
- public:
- std::string input_path;
- std::string output_path;
-
- LexerConfig lexer_config;
- ParserConfig parser_config;
-
- FunctionStorage callbacks;
- TemplateStorage included_templates;
- };
-
- std::unique_ptr<Impl> m_impl;
-
public:
Environment(): Environment("") { }
- explicit Environment(const std::string& global_path): m_impl(stdinja::make_unique<Impl>()) {
- m_impl->input_path = global_path;
- m_impl->output_path = global_path;
- }
+ explicit Environment(const std::string& global_path): m_input_path(global_path), m_output_path(global_path) {}
- explicit Environment(const std::string& input_path, const std::string& output_path): m_impl(stdinja::make_unique<Impl>()) {
- m_impl->input_path = input_path;
- m_impl->output_path = output_path;
- }
+ Environment(const std::string& input_path, const std::string& output_path): m_input_path(input_path), m_output_path(output_path) {}
/// Sets the opener and closer for template statements
void set_statement(const std::string& open, const std::string& close) {
- m_impl->lexer_config.statement_open = open;
- m_impl->lexer_config.statement_close = close;
- m_impl->lexer_config.update_open_chars();
+ m_lexer_config.statement_open = open;
+ m_lexer_config.statement_close = close;
+ m_lexer_config.update_open_chars();
}
/// Sets the opener for template line statements
void set_line_statement(const std::string& open) {
- m_impl->lexer_config.line_statement = open;
- m_impl->lexer_config.update_open_chars();
+ m_lexer_config.line_statement = open;
+ m_lexer_config.update_open_chars();
}
/// Sets the opener and closer for template expressions
void set_expression(const std::string& open, const std::string& close) {
- m_impl->lexer_config.expression_open = open;
- m_impl->lexer_config.expression_close = close;
- m_impl->lexer_config.update_open_chars();
+ m_lexer_config.expression_open = open;
+ m_lexer_config.expression_close = close;
+ m_lexer_config.update_open_chars();
}
/// Sets the opener and closer for template comments
void set_comment(const std::string& open, const std::string& close) {
- m_impl->lexer_config.comment_open = open;
- m_impl->lexer_config.comment_close = close;
- m_impl->lexer_config.update_open_chars();
+ m_lexer_config.comment_open = open;
+ m_lexer_config.comment_close = close;
+ m_lexer_config.update_open_chars();
}
/// Sets whether to remove the first newline after a block
void set_trim_blocks(bool trim_blocks) {
- m_impl->lexer_config.trim_blocks = trim_blocks;
+ m_lexer_config.trim_blocks = trim_blocks;
}
/// Sets whether to strip the spaces and tabs from the start of a line to a block
void set_lstrip_blocks(bool lstrip_blocks) {
- m_impl->lexer_config.lstrip_blocks = lstrip_blocks;
+ m_lexer_config.lstrip_blocks = lstrip_blocks;
}
/// Sets the element notation syntax
void set_element_notation(ElementNotation notation) {
- m_impl->parser_config.notation = notation;
+ m_parser_config.notation = notation;
}
Template parse(nonstd::string_view input) {
- Parser parser(m_impl->parser_config, m_impl->lexer_config, m_impl->included_templates);
+ Parser parser(m_parser_config, m_lexer_config, m_included_templates);
return parser.parse(input);
}
Template parse_template(const std::string& filename) {
- Parser parser(m_impl->parser_config, m_impl->lexer_config, m_impl->included_templates);
- return parser.parse_template(m_impl->input_path + static_cast<std::string>(filename));
+ Parser parser(m_parser_config, m_lexer_config, m_included_templates);
+ return parser.parse_template(m_input_path + static_cast<std::string>(filename));
}
std::string render(nonstd::string_view input, const json& data) {
@@ -128,13 +108,13 @@
}
void write(const std::string& filename, const json& data, const std::string& filename_out) {
- std::ofstream file(m_impl->output_path + filename_out);
+ std::ofstream file(m_output_path + filename_out);
file << render_file(filename, data);
file.close();
}
void write(const Template& temp, const json& data, const std::string& filename_out) {
- std::ofstream file(m_impl->output_path + filename_out);
+ std::ofstream file(m_output_path + filename_out);
file << render(temp, data);
file.close();
}
@@ -150,24 +130,24 @@
}
std::ostream& render_to(std::ostream& os, const Template& tmpl, const json& data) {
- Renderer(m_impl->included_templates, m_impl->callbacks).render_to(os, tmpl, data);
+ Renderer(m_included_templates, m_callbacks).render_to(os, tmpl, data);
return os;
}
std::string load_file(const std::string& filename) {
- Parser parser(m_impl->parser_config, m_impl->lexer_config, m_impl->included_templates);
- return parser.load_file(m_impl->input_path + filename);
+ Parser parser(m_parser_config, m_lexer_config, m_included_templates);
+ return parser.load_file(m_input_path + filename);
}
json load_json(const std::string& filename) {
- std::ifstream file = open_file_or_throw(m_impl->input_path + filename);
+ std::ifstream file = open_file_or_throw(m_input_path + filename);
json j;
file >> j;
return j;
}
void add_callback(const std::string& name, unsigned int numArgs, const CallbackFunction& callback) {
- m_impl->callbacks.add_callback(name, numArgs, callback);
+ m_callbacks.add_callback(name, numArgs, callback);
}
/** Includes a template with a given name into the environment.
@@ -175,8 +155,18 @@
* include "<name>" syntax.
*/
void include_template(const std::string& name, const Template& tmpl) {
- m_impl->included_templates[name] = tmpl;
+ m_included_templates[name] = tmpl;
}
+
+ private:
+ std::string m_input_path;
+ std::string m_output_path;
+
+ LexerConfig m_lexer_config;
+ ParserConfig m_parser_config;
+
+ FunctionStorage m_callbacks;
+ TemplateStorage m_included_templates;
};
/*!
diff --git a/single_include/inja/inja.hpp b/single_include/inja/inja.hpp
index beb284e..8d565b5 100644
--- a/single_include/inja/inja.hpp
+++ b/single_include/inja/inja.hpp
@@ -1,5 +1,7 @@
-#ifndef PANTOR_INJA_HPP
-#define PANTOR_INJA_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_INJA_HPP_
+#define INCLUDE_INJA_INJA_HPP_
#include <functional>
#include <iostream>
@@ -12,8 +14,10 @@
#include <nlohmann/json.hpp>
// #include "environment.hpp"
-#ifndef PANTOR_INJA_ENVIRONMENT_HPP
-#define PANTOR_INJA_ENVIRONMENT_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_ENVIRONMENT_HPP_
+#define INCLUDE_INJA_ENVIRONMENT_HPP_
#include <memory>
#include <fstream>
@@ -23,8 +27,10 @@
#include <nlohmann/json.hpp>
// #include "config.hpp"
-#ifndef PANTOR_INJA_CONFIG_HPP
-#define PANTOR_INJA_CONFIG_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_CONFIG_HPP_
+#define INCLUDE_INJA_CONFIG_HPP_
#include <functional>
#include <string>
@@ -1400,19 +1406,23 @@
ElementNotation notation {ElementNotation::Dot};
};
-}
+} // namespace inja
-#endif // PANTOR_INJA_CONFIG_HPP
+#endif // INCLUDE_INJA_CONFIG_HPP_
// #include "function_storage.hpp"
-#ifndef PANTOR_INJA_FUNCTION_STORAGE_HPP
-#define PANTOR_INJA_FUNCTION_STORAGE_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_FUNCTION_STORAGE_HPP_
+#define INCLUDE_INJA_FUNCTION_STORAGE_HPP_
#include <vector>
// #include "bytecode.hpp"
-#ifndef PANTOR_INJA_BYTECODE_HPP
-#define PANTOR_INJA_BYTECODE_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_BYTECODE_HPP_
+#define INCLUDE_INJA_BYTECODE_HPP_
#include <string>
#include <utility>
@@ -1543,7 +1553,7 @@
} // namespace inja
-#endif // PANTOR_INJA_BYTECODE_HPP
+#endif // INCLUDE_INJA_BYTECODE_HPP_
// #include "string_view.hpp"
@@ -1551,7 +1561,7 @@
namespace inja {
-using namespace nlohmann;
+using json = nlohmann::json;
using Arguments = std::vector<const json*>;
using CallbackFunction = std::function<json(Arguments& args)>;
@@ -1616,11 +1626,13 @@
}
-#endif // PANTOR_INJA_FUNCTION_STORAGE_HPP
+#endif // INCLUDE_INJA_FUNCTION_STORAGE_HPP_
// #include "parser.hpp"
-#ifndef PANTOR_INJA_PARSER_HPP
-#define PANTOR_INJA_PARSER_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_PARSER_HPP_
+#define INCLUDE_INJA_PARSER_HPP_
#include <limits>
#include <string>
@@ -1634,8 +1646,10 @@
// #include "function_storage.hpp"
// #include "lexer.hpp"
-#ifndef PANTOR_INJA_LEXER_HPP
-#define PANTOR_INJA_LEXER_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_LEXER_HPP_
+#define INCLUDE_INJA_LEXER_HPP_
#include <cctype>
#include <locale>
@@ -1643,8 +1657,10 @@
// #include "config.hpp"
// #include "token.hpp"
-#ifndef PANTOR_INJA_TOKEN_HPP
-#define PANTOR_INJA_TOKEN_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_TOKEN_HPP_
+#define INCLUDE_INJA_TOKEN_HPP_
#include <string>
@@ -1710,11 +1726,13 @@
}
-#endif // PANTOR_INJA_TOKEN_HPP
+#endif // INCLUDE_INJA_TOKEN_HPP_
// #include "utils.hpp"
-#ifndef PANTOR_INJA_UTILS_HPP
-#define PANTOR_INJA_UTILS_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_UTILS_HPP_
+#define INCLUDE_INJA_UTILS_HPP_
#include <algorithm>
#include <fstream>
@@ -1761,11 +1779,11 @@
inline bool starts_with(nonstd::string_view view, nonstd::string_view prefix) {
return (view.size() >= prefix.size() && view.compare(0, prefix.size(), prefix) == 0);
}
-} // namespace string
+} // namespace string_view
} // namespace inja
-#endif // PANTOR_INJA_UTILS_HPP
+#endif // INCLUDE_INJA_UTILS_HPP_
@@ -1835,7 +1853,7 @@
inja::string_view::starts_with(open_str, m_config.line_statement)) {
m_state = State::LineStart;
} else {
- m_pos += 1; // wasn't actually an opening sequence
+ m_pos += 1; // wasn't actually an opening sequence
goto again;
}
@@ -2063,11 +2081,13 @@
}
-#endif // PANTOR_INJA_LEXER_HPP
+#endif // INCLUDE_INJA_LEXER_HPP_
// #include "template.hpp"
-#ifndef PANTOR_INJA_TEMPLATE_HPP
-#define PANTOR_INJA_TEMPLATE_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_TEMPLATE_HPP_
+#define INCLUDE_INJA_TEMPLATE_HPP_
#include <map>
#include <string>
@@ -2089,9 +2109,9 @@
using TemplateStorage = std::map<std::string, Template>;
-}
+} // namespace inja
-#endif // PANTOR_INJA_TEMPLATE_HPP
+#endif // INCLUDE_INJA_TEMPLATE_HPP_
// #include "token.hpp"
@@ -2644,11 +2664,13 @@
} // namespace inja
-#endif // PANTOR_INJA_PARSER_HPP
+#endif // INCLUDE_INJA_PARSER_HPP_
// #include "polyfill.hpp"
-#ifndef PANTOR_INJA_POLYFILL_HPP
-#define PANTOR_INJA_POLYFILL_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_POLYFILL_HPP_
+#define INCLUDE_INJA_POLYFILL_HPP_
#if __cplusplus < 201402L
@@ -2660,48 +2682,51 @@
namespace stdinja {
- template<class T> struct _Unique_if {
- typedef std::unique_ptr<T> _Single_object;
- };
- template<class T> struct _Unique_if<T[]> {
- typedef std::unique_ptr<T[]> _Unknown_bound;
- };
+template<class T> struct _Unique_if {
+ typedef std::unique_ptr<T> _Single_object;
+};
- template<class T, size_t N> struct _Unique_if<T[N]> {
- typedef void _Known_bound;
- };
+template<class T> struct _Unique_if<T[]> {
+ typedef std::unique_ptr<T[]> _Unknown_bound;
+};
- template<class T, class... Args>
- typename _Unique_if<T>::_Single_object
- make_unique(Args&&... args) {
- return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
- }
+template<class T, size_t N> struct _Unique_if<T[N]> {
+ typedef void _Known_bound;
+};
- template<class T>
- typename _Unique_if<T>::_Unknown_bound
- make_unique(size_t n) {
- typedef typename std::remove_extent<T>::type U;
- return std::unique_ptr<T>(new U[n]());
- }
-
- template<class T, class... Args>
- typename _Unique_if<T>::_Known_bound
- make_unique(Args&&...) = delete;
+template<class T, class... Args>
+typename _Unique_if<T>::_Single_object
+make_unique(Args&&... args) {
+ return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
}
+template<class T>
+typename _Unique_if<T>::_Unknown_bound
+make_unique(size_t n) {
+ typedef typename std::remove_extent<T>::type U;
+ return std::unique_ptr<T>(new U[n]());
+}
+
+template<class T, class... Args>
+typename _Unique_if<T>::_Known_bound
+make_unique(Args&&...) = delete;
+
+} // namespace stdinja
+
#else
namespace stdinja = std;
-#endif // memory */
+#endif // memory */
-
-#endif // PANTOR_INJA_POLYFILL_HPP
+#endif // INCLUDE_INJA_POLYFILL_HPP_
// #include "renderer.hpp"
-#ifndef PANTOR_INJA_RENDERER_HPP
-#define PANTOR_INJA_RENDERER_HPP
+// Copyright (c) 2019 Pantor. All rights reserved.
+
+#ifndef INCLUDE_INJA_RENDERER_HPP_
+#define INCLUDE_INJA_RENDERER_HPP_
#include <algorithm>
#include <numeric>
@@ -2843,22 +2868,21 @@
enum class Type { Map, Array };
Type loop_type;
- nonstd::string_view key_name; // variable name for keys
- nonstd::string_view value_name; // variable name for values
- json data; // data with loop info added
+ nonstd::string_view key_name; // variable name for keys
+ nonstd::string_view value_name; // variable name for values
+ json data; // data with loop info added
- json values; // values to iterate over
+ json values; // values to iterate over
// loop over list
- size_t index; // current list index
- size_t size; // length of list
+ size_t index; // current list index
+ size_t size; // length of list
// loop over map
using KeyValue = std::pair<nonstd::string_view, json*>;
using MapValues = std::vector<KeyValue>;
- MapValues map_values; // values to iterate over
- MapValues::iterator map_it; // iterator over values
-
+ MapValues map_values; // values to iterate over
+ MapValues::iterator map_it; // iterator over values
};
std::vector<LoopLevel> m_loop_stack;
@@ -3213,7 +3237,8 @@
for (auto it = level.values.begin(), end = level.values.end(); it != end; ++it) {
level.map_values.emplace_back(it.key(), &it.value());
}
- std::sort(level.map_values.begin(), level.map_values.end(), [](const LoopLevel::KeyValue& a, const LoopLevel::KeyValue& b) { return a.first < b.first; });
+ auto sort_lambda = [](const LoopLevel::KeyValue& a, const LoopLevel::KeyValue& b) { return a.first < b.first; };
+ std::sort(level.map_values.begin(), level.map_values.end(), sort_lambda);
level.map_it = level.map_values.begin();
} else {
if (!level.values.is_array()) {
@@ -3281,7 +3306,7 @@
} // namespace inja
-#endif // PANTOR_INJA_RENDERER_HPP
+#endif // INCLUDE_INJA_RENDERER_HPP_
// #include "string_view.hpp"
@@ -3293,91 +3318,71 @@
namespace inja {
-using namespace nlohmann;
+using json = nlohmann::json;
/*!
* \brief Class for changing the configuration.
*/
class Environment {
- class Impl {
- public:
- std::string input_path;
- std::string output_path;
-
- LexerConfig lexer_config;
- ParserConfig parser_config;
-
- FunctionStorage callbacks;
- TemplateStorage included_templates;
- };
-
- std::unique_ptr<Impl> m_impl;
-
public:
Environment(): Environment("") { }
- explicit Environment(const std::string& global_path): m_impl(stdinja::make_unique<Impl>()) {
- m_impl->input_path = global_path;
- m_impl->output_path = global_path;
- }
+ explicit Environment(const std::string& global_path): m_input_path(global_path), m_output_path(global_path) {}
- explicit Environment(const std::string& input_path, const std::string& output_path): m_impl(stdinja::make_unique<Impl>()) {
- m_impl->input_path = input_path;
- m_impl->output_path = output_path;
- }
+ Environment(const std::string& input_path, const std::string& output_path): m_input_path(input_path), m_output_path(output_path) {}
/// Sets the opener and closer for template statements
void set_statement(const std::string& open, const std::string& close) {
- m_impl->lexer_config.statement_open = open;
- m_impl->lexer_config.statement_close = close;
- m_impl->lexer_config.update_open_chars();
+ m_lexer_config.statement_open = open;
+ m_lexer_config.statement_close = close;
+ m_lexer_config.update_open_chars();
}
/// Sets the opener for template line statements
void set_line_statement(const std::string& open) {
- m_impl->lexer_config.line_statement = open;
- m_impl->lexer_config.update_open_chars();
+ m_lexer_config.line_statement = open;
+ m_lexer_config.update_open_chars();
}
/// Sets the opener and closer for template expressions
void set_expression(const std::string& open, const std::string& close) {
- m_impl->lexer_config.expression_open = open;
- m_impl->lexer_config.expression_close = close;
- m_impl->lexer_config.update_open_chars();
+ m_lexer_config.expression_open = open;
+ m_lexer_config.expression_close = close;
+ m_lexer_config.update_open_chars();
}
/// Sets the opener and closer for template comments
void set_comment(const std::string& open, const std::string& close) {
- m_impl->lexer_config.comment_open = open;
- m_impl->lexer_config.comment_close = close;
- m_impl->lexer_config.update_open_chars();
+ m_lexer_config.comment_open = open;
+ m_lexer_config.comment_close = close;
+ m_lexer_config.update_open_chars();
}
/// Sets whether to remove the first newline after a block
void set_trim_blocks(bool trim_blocks) {
- m_impl->lexer_config.trim_blocks = trim_blocks;
+ m_lexer_config.trim_blocks = trim_blocks;
}
/// Sets whether to strip the spaces and tabs from the start of a line to a block
void set_lstrip_blocks(bool lstrip_blocks) {
- m_impl->lexer_config.lstrip_blocks = lstrip_blocks;
+ m_lexer_config.lstrip_blocks = lstrip_blocks;
}
/// Sets the element notation syntax
void set_element_notation(ElementNotation notation) {
- m_impl->parser_config.notation = notation;
+ m_parser_config.notation = notation;
}
Template parse(nonstd::string_view input) {
- Parser parser(m_impl->parser_config, m_impl->lexer_config, m_impl->included_templates);
+ Parser parser(m_parser_config, m_lexer_config, m_included_templates);
return parser.parse(input);
}
Template parse_template(const std::string& filename) {
- Parser parser(m_impl->parser_config, m_impl->lexer_config, m_impl->included_templates);
- return parser.parse_template(m_impl->input_path + static_cast<std::string>(filename));
- }
+ Parser parser(m_parser_config, m_lexer_config, m_included_templates);
+ return parser.parse_template(m_input_path + static_cast<std::string>(filename));
+ }
std::string render(nonstd::string_view input, const json& data) {
return render(parse(input), data);
@@ -3390,55 +3395,55 @@
}
std::string render_file(const std::string& filename, const json& data) {
- return render(parse_template(filename), data);
- }
+ return render(parse_template(filename), data);
+ }
std::string render_file_with_json_file(const std::string& filename, const std::string& filename_data) {
- const json data = load_json(filename_data);
- return render_file(filename, data);
- }
+ const json data = load_json(filename_data);
+ return render_file(filename, data);
+ }
void write(const std::string& filename, const json& data, const std::string& filename_out) {
- std::ofstream file(m_impl->output_path + filename_out);
- file << render_file(filename, data);
- file.close();
- }
+ std::ofstream file(m_output_path + filename_out);
+ file << render_file(filename, data);
+ file.close();
+ }
void write(const Template& temp, const json& data, const std::string& filename_out) {
- std::ofstream file(m_impl->output_path + filename_out);
- file << render(temp, data);
- file.close();
- }
+ std::ofstream file(m_output_path + filename_out);
+ file << render(temp, data);
+ file.close();
+ }
- void write_with_json_file(const std::string& filename, const std::string& filename_data, const std::string& filename_out) {
- const json data = load_json(filename_data);
- write(filename, data, filename_out);
- }
+ void write_with_json_file(const std::string& filename, const std::string& filename_data, const std::string& filename_out) {
+ const json data = load_json(filename_data);
+ write(filename, data, filename_out);
+ }
- void write_with_json_file(const Template& temp, const std::string& filename_data, const std::string& filename_out) {
- const json data = load_json(filename_data);
- write(temp, data, filename_out);
- }
+ void write_with_json_file(const Template& temp, const std::string& filename_data, const std::string& filename_out) {
+ const json data = load_json(filename_data);
+ write(temp, data, filename_out);
+ }
std::ostream& render_to(std::ostream& os, const Template& tmpl, const json& data) {
- Renderer(m_impl->included_templates, m_impl->callbacks).render_to(os, tmpl, data);
+ Renderer(m_included_templates, m_callbacks).render_to(os, tmpl, data);
return os;
}
std::string load_file(const std::string& filename) {
- Parser parser(m_impl->parser_config, m_impl->lexer_config, m_impl->included_templates);
- return parser.load_file(m_impl->input_path + filename);
- }
+ Parser parser(m_parser_config, m_lexer_config, m_included_templates);
+ return parser.load_file(m_input_path + filename);
+ }
json load_json(const std::string& filename) {
- std::ifstream file = open_file_or_throw(m_impl->input_path + filename);
- json j;
- file >> j;
- return j;
- }
+ std::ifstream file = open_file_or_throw(m_input_path + filename);
+ json j;
+ file >> j;
+ return j;
+ }
void add_callback(const std::string& name, unsigned int numArgs, const CallbackFunction& callback) {
- m_impl->callbacks.add_callback(name, numArgs, callback);
+ m_callbacks.add_callback(name, numArgs, callback);
}
/** Includes a template with a given name into the environment.
@@ -3446,8 +3451,18 @@
* include "<name>" syntax.
*/
void include_template(const std::string& name, const Template& tmpl) {
- m_impl->included_templates[name] = tmpl;
+ m_included_templates[name] = tmpl;
}
+
+ private:
+ std::string m_input_path;
+ std::string m_output_path;
+
+ LexerConfig m_lexer_config;
+ ParserConfig m_parser_config;
+
+ FunctionStorage m_callbacks;
+ TemplateStorage m_included_templates;
};
/*!
@@ -3467,7 +3482,7 @@
}
-#endif // PANTOR_INJA_ENVIRONMENT_HPP
+#endif // INCLUDE_INJA_ENVIRONMENT_HPP_
// #include "string_view.hpp"
@@ -3479,4 +3494,4 @@
-#endif // PANTOR_INJA_HPP
+#endif // INCLUDE_INJA_INJA_HPP_
diff --git a/test/unit.cpp b/test/unit.cpp
index 96c87b1..fa3e3d5 100644
--- a/test/unit.cpp
+++ b/test/unit.cpp
@@ -2,3 +2,33 @@
#define CATCH_CONFIG_MAIN
#include "catch/catch.hpp"
+#include "inja/inja.hpp"
+
+
+using json = nlohmann::json;
+
+
+TEST_CASE("copy-environment") {
+ inja::Environment env;
+ env.add_callback("double", 1, [](inja::Arguments& args) {
+ int number = args.at(0)->get<int>();
+ return 2 * number;
+ });
+
+ inja::Template t1 = env.parse("{{ double(2) }}");
+ env.include_template("tpl", t1);
+ std::string test_tpl = "{% include \"tpl\" %}";
+
+ REQUIRE(env.render(test_tpl, json()) == "4");
+
+ inja::Environment copy(env);
+ CHECK(copy.render(test_tpl, json()) == "4");
+
+ // overwrite template in source env
+ inja::Template t2 = env.parse("{{ double(4) }}");
+ env.include_template("tpl", t2);
+ REQUIRE(env.render(test_tpl, json()) == "8");
+
+ // template is unchanged in copy
+ CHECK(copy.render(test_tpl, json()) == "4");
+}
