replace FileLoader with TextLoader

src/core/TextLoader.h

@@ -0,0 +1,44 @@
+#ifndef TEXTLOADER_H
+#define TEXTLOADER_H
+
+#include <stdint.h>
+#include <list>
+#include <memory>
+
+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()
+    {
+        if (m_lines == nullptr)
+        {
+            return 0u;
+        }
+        else
+        {
+            return m_lines->size();
+        }
+    }
+    int get_line_endings() { return m_line_endings; }
+    auto begin() { return m_lines->begin(); }
+    auto end() { return m_lines->end(); }
+
+protected:
+    typedef std::pair<const uint8_t *, uint32_t> LineIndexPair;
+    typedef std::list<LineIndexPair> LineIndexPairList;
+    typedef std::shared_ptr<LineIndexPairList> LineIndexPairListRef;
+    int m_line_endings;
+    LineIndexPairListRef m_lines;
+};
+
+#endif