Initial sources

engine/filesystem/file.cpp

@@ -0,0 +1,57 @@
+#include <assert.h>
+#include "filesystem/file.h"
+
+static const char* s_stdioOpeningMode[] = { "rb", "wb" };
+static int s_stdioSeekDir[] = { SEEK_SET, SEEK_CUR, SEEK_END };
+
+File::File(const char* path, FileAccess access)
+{
+	m_filehandle = fopen(path, s_stdioOpeningMode[(int)access]);
+	assert(m_filehandle && "Unable to open file");
+}
+
+File::~File()
+{
+	if (m_filehandle)
+	{
+		fclose(m_filehandle);
+		m_filehandle = NULL;
+	}
+}
+
+void File::Seek(SeekDir seekdir, long offset)
+{
+	fseek(m_filehandle, offset, s_stdioSeekDir[(int)seekdir]);
+}
+
+size_t File::Tell()
+{
+	return (size_t)ftell(m_filehandle);
+}
+
+bool File::Eof()
+{
+	return !!feof(m_filehandle);
+}
+
+size_t File::Read(void* buffer, size_t size)
+{
+	return fread(buffer, 1, size, m_filehandle);
+}
+
+size_t File::Write(void const* buffer, size_t size)
+{
+	return fwrite(buffer, size, 1, m_filehandle);
+}
+
+void File::ReadStringBuffer(char* buffer, size_t bufferSize)
+{
+	Seek(Seek_End, 0);
+	size_t length = Tell();
+	Seek(Seek_Begin, 0);
+
+	assert(length <= bufferSize);
+
+	Read(buffer, length);
+	buffer[length] = '\0';
+}