From 40c4dfd312b24a7e012448e39a363c07fa1e8c5d Mon Sep 17 00:00:00 2001
From: Jan Tuomi <jan-sebastian.tuomi@aalto.fi>
Date: Sun, 9 Oct 2016 13:44:06 +0300
Subject: Add writing to file

---
 editor.cpp | 36 ++++++++++++++++++++++++++++++++++--
 editor.h   |  5 ++++-
 main.cpp   |  2 +-
 3 files changed, 39 insertions(+), 4 deletions(-)

diff --git a/editor.cpp b/editor.cpp
index 28bd081..27169ef 100644
--- a/editor.cpp
+++ b/editor.cpp
@@ -1,10 +1,11 @@
 #include "editor.h"
 #include "utils.h"
+#include <fstream>
 #include <limits>
 #include <iostream>
 
-Editor::Editor(std::vector<std::string>* contents):
-    m_current_line(0)  {
+Editor::Editor(std::vector<std::string>* contents, const std::string& filename):
+    m_current_line(0), m_filename(filename)  {
 
     m_contents = contents;
 }
@@ -24,6 +25,9 @@ int Editor::run_editor() {
         case 'm':
             move_to_command();
             break;
+        case 'w':
+            write_command();
+            break;
         default:
             break;
         }
@@ -80,3 +84,31 @@ int Editor::move_to_line(int line) {
     m_current_line = line;
     return 0;
 }
+
+int Editor::write_command() {
+    std::cout << "Write to file? [y/n] ";
+    char answer = Utils::getch();
+
+    if (answer == 'y') {
+        return write();
+    }
+
+    return 0;
+}
+
+int Editor::write() {
+    std::ofstream file;
+    file.open(m_filename);
+    if (file.fail()) {
+        std::cout << "Can't open file " << m_filename << " for writing!";
+        return 1;
+    }
+
+    for (int i = 0; i < m_contents->size(); i++) {
+        file << m_contents->at(i) << '\n';
+    }
+
+    file.close();
+    
+    return 0;   
+}
diff --git a/editor.h b/editor.h
index 1ae2a51..9d2a773 100644
--- a/editor.h
+++ b/editor.h
@@ -6,20 +6,23 @@
 
 class Editor {
     public:
-        Editor(std::vector<std::string>* contents);
+        Editor(std::vector<std::string>* contents, const std::string& filename);
         int run_editor();
     private:
         const static int OUTPUT_LINE_MAX = 10;
 
         std::vector<std::string>* m_contents;
+        std::string m_filename;
         int m_current_line;
 
         int print_contents_on_line(int line) const;
         int edit_command();
         int move_to_command();
+        int write_command();
 
         int edit_line(int line);
         int move_to_line(int line);
+        int write();
 };
 
 #endif
diff --git a/main.cpp b/main.cpp
index 6378f1e..20a5f2d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -32,7 +32,7 @@ int main(int argc, char** argv) {
         return 1;
     }
 
-    Editor editor(contents);
+    Editor editor(contents, filepath);
     editor.run_editor();
 
     delete contents;
-- 
cgit v1.3