add LineEndings module

src/core/TextLoader.h

@@ -5,18 +5,11 @@
 #include <list>
 #include <memory>
 #include "Span.h"
+#include "LineEndings.h"
 
 class TextLoader
 {
 public:
-    enum
-    {
-        LINE_ENDING_LF,
-        LINE_ENDING_CR,
-        LINE_ENDING_CRLF,
-        LINE_ENDING_COUNT
-    };
-
     TextLoader();
     void load_buffer(uint8_t * buffer, size_t size);
     size_t num_lines()
@@ -30,13 +23,13 @@ public:
             return m_lines->size();
         }
     }
-    int get_line_endings() { return m_line_endings; }
+    LineEndings::Type get_line_endings() { return m_line_endings; }
     auto begin() { return m_lines->begin(); }
     auto end() { return m_lines->end(); }
     bool get_eol_at_eof() { return m_eol_at_eof; }
 
 protected:
-    int m_line_endings;
+    LineEndings::Type m_line_endings;
     bool m_eol_at_eof;
     std::shared_ptr<std::list<Span>> m_lines;
 };