Fixed some crashes and issues with binary output and files, and can now open binary files where non-utf-8 chars are replaced with '?'.

src/sourcefile.cc

@@ -17,23 +17,42 @@ std::string juci::filesystem::read(const std::string &path) {
 
 bool juci::filesystem::read(const std::string &path, Glib::RefPtr<Gtk::TextBuffer> text_buffer) {
   std::ifstream input(path, std::ofstream::binary);
+  
   if(input) {
-    std::vector<char> buffer(buffer_size);
+    //need to read the whole file to make this work...
+    std::stringstream ss;
+    ss << input.rdbuf();
+    Glib::ustring ustr=std::move(ss.str());
+    
+    Glib::ustring::iterator iter;
+    while(!ustr.validate(iter)) {
+      auto next_char_iter=iter;
+      next_char_iter++;
+      ustr.replace(iter, next_char_iter, "?");
+    }
+    
+    text_buffer->insert_at_cursor(ustr);
+    
+    //TODO: maybe correct this, emphasis on maybe:
+    /*std::vector<char> buffer(buffer_size);
     size_t read_length;
-    std::string buffer_str;
     while((read_length=input.read(&buffer[0], buffer_size).gcount())>0) {
-      buffer_str+=std::string(&buffer[0], read_length);
-      if(buffer_str.back()>=0) {
-        auto ustr=Glib::ustring(buffer_str);
-        buffer_str="";
-        if(ustr.validate())
-          text_buffer->insert_at_cursor(ustr);
-        else {
-          input.close();
-          return false;
-        }
+      //auto ustr=Glib::ustring(std::string(&buffer[0], read_length)); //this works...
+
+      //this does not work:
+      Glib::ustring ustr;
+      ustr.resize(read_length);
+      ustr.replace(0, read_length, &buffer[0]);
+      
+      Glib::ustring::iterator iter;
+      while(!ustr.validate(iter)) {
+        auto next_char_iter=iter;
+        next_char_iter++;
+        ustr.replace(iter, next_char_iter, "?");
       }
-    }
+      
+      text_buffer->insert_at_cursor(ustr); //What if insert happens in the middle of an UTF-8 char???
+    }*/
     input.close();
     return true;
   }

src/terminal.cc

@@ -283,14 +283,22 @@ void Terminal::kill_async_executes(bool force) {
 }
 
 int Terminal::print(const std::string &message, bool bold){
+  Glib::ustring umessage=message;
+  Glib::ustring::iterator iter;
+  while(!umessage.validate(iter)) {
+    auto next_char_iter=iter;
+    next_char_iter++;
+    umessage.replace(iter, next_char_iter, "?");
+  }
+  
   if(bold)
-    get_buffer()->insert_with_tag(get_buffer()->end(), message, bold_tag);
+    get_buffer()->insert_with_tag(get_buffer()->end(), umessage, bold_tag);
   else
-    get_buffer()->insert(get_buffer()->end(), message);
+    get_buffer()->insert(get_buffer()->end(), umessage);
     
-  auto iter=get_buffer()->end();
-  if(iter.backward_char()) {
-    auto mark=get_buffer()->create_mark(iter);
+  auto end_iter=get_buffer()->end();
+  if(end_iter.backward_char()) {
+    auto mark=get_buffer()->create_mark(end_iter);
     scroll_to(mark, 0.0, 1.0, 1.0);
     get_buffer()->delete_mark(mark);
   }
@@ -299,9 +307,17 @@ int Terminal::print(const std::string &message, bool bold){
 }
 
 void Terminal::print(int line_nr, const std::string &message){
-  auto iter=get_buffer()->get_iter_at_line(line_nr);
-  while(!iter.ends_line() && iter.forward_char()) {}
-  get_buffer()->insert(iter, message);
+  Glib::ustring umessage=message;
+  Glib::ustring::iterator iter;
+  while(!umessage.validate(iter)) {
+    auto next_char_iter=iter;
+    next_char_iter++;
+    umessage.replace(iter, next_char_iter, "?");
+  }
+  
+  auto end_line_iter=get_buffer()->get_iter_at_line(line_nr);
+  while(!end_line_iter.ends_line() && end_line_iter.forward_char()) {}
+  get_buffer()->insert(end_line_iter, umessage);
 }
 
 std::shared_ptr<Terminal::InProgress> Terminal::print_in_progress(std::string start_msg) {