From 6313fc2cf5f074c1e92811157e150ede6ea3b847 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Av=C3=A9?= <email@thomasave.be>
Date: Fri, 30 Dec 2016 17:39:53 +0100
Subject: [PATCH] Copied the templates class from Lexesis

---
 include/Parsodus/template.h | 63 +++++++++++++++++++++++++++++++++++++
 src/template.cpp            | 39 +++++++++++++++++++++++
 2 files changed, 102 insertions(+)
 create mode 100644 include/Parsodus/template.h
 create mode 100644 src/template.cpp

diff --git a/include/Parsodus/template.h b/include/Parsodus/template.h
new file mode 100644
index 0000000..3ba1828
--- /dev/null
+++ b/include/Parsodus/template.h
@@ -0,0 +1,63 @@
+#pragma once
+#ifndef PARSODUS_TEMPLATE_H
+#define PARSODUS_TEMPLATE_H
+
+#include <map>
+#include <string>
+#include <vector>
+#include <mstch/mstch.hpp>
+
+namespace pds {
+namespace templ {
+    /**
+     * A changeable information structure for templates
+     */
+    using TemplateContext = mstch::node;
+
+    /**
+     * Make a TemplateContext string
+     */
+    TemplateContext make_string(std::string);
+
+    /**
+     * Make a TemplateContext map/dictionary
+     */
+    TemplateContext make_map(std::map<const std::string, TemplateContext>);
+
+    /**
+     * Make a TemplateContext array/vector
+     */
+    TemplateContext make_array(std::vector<TemplateContext>);
+
+    /**
+     * A generic wrapper around whichever templating system gets used
+     */
+    class Template {
+        public:
+            /**
+             * Construct a Template from given filename
+             *
+             * @param filename The name of the file which contains the template rules
+             */
+            Template(std::string filename);
+
+            /**
+             * Destructor
+             */
+            ~Template();
+
+            /**
+             * Render this template to `out` using the information in `context`
+             *
+             * @param out The ostream to render to
+             * @param context The information to provide the template rules while rendering
+             */
+            void render(std::ostream& out, TemplateContext& context);
+        private:
+            std::string m_filename;
+    };
+
+} //namespace templ
+} //namespace pds
+
+#endif //PARSODUS_TEMPLATE_H
diff --git a/src/template.cpp b/src/template.cpp
new file mode 100644
index 0000000..50a1bc0
--- /dev/null
+++ b/src/template.cpp
@@ -0,0 +1,39 @@
+#include "Parsodus/template.h"
+#include "mstch/mstch.hpp"
+
+#include <fstream>  
+#include <string>
+#include <sstream> 
+
+namespace pds {
+namespace templ {
+
+    TemplateContext make_string(std::string _string) {
+        return mstch::node(_string);
+    }
+    
+    TemplateContext make_map(std::map<const std::string, TemplateContext> _map) {
+        return mstch::map(_map);
+    }
+    
+    TemplateContext make_array(std::vector<TemplateContext> _array) {
+       return mstch::array(_array);
+    }
+
+
+    Template::Template(std::string filename) : m_filename(filename)
+    {}
+
+    Template::~Template()
+    {}
+
+    void Template::render(std::ostream& out, TemplateContext& context) {
+        std::ifstream file;
+        file.open (m_filename);
+        std::stringstream tmplt;
+        tmplt << file.rdbuf();
+        file.close();
+        out << mstch::render(tmplt.str(),context);
+    }
+}
+}