Begin body reading code

src/FIT.jl

@@ -1,11 +1,9 @@
 module FIT
-export greet_package
+export read_file
-export read_header, FITHeader
 
-include("functions.jl")
+include("file.jl")
-include("header.jl")
 
-using .header
+using .file
 
 end
 

src/body.jl

@@ -0,0 +1,48 @@
+"""
+read the body of the FIT file.
+"""
+module body
+
+# TODO: Why do this?
+import Base.show
+
+export RecordHeader, read_row
+
+include("mesg_num.jl")
+using .mesg_num
+
+struct DefinitionMessage end
+struct DataMessage end
+
+"""
+    RecordHeader
+
+The byte that corresponds to the type of message that this record holds.
+"""
+struct RecordHeader
+    definition_message::Bool
+end
+
+
+"""
+    read_row(f::io)
+
+Read a row of the file at a time. Parse the row into a data or def message.
+TODO: Endianness matters here. Need to resolve endianness with the architecture bit.
+"""
+function read_row(f::IO)
+    header_byte = read(f, 1; all=false)[1]
+    println(bitstring(header_byte))
+
+    # The message byte is 7
+    RecordHeader(Bool(parse(Int64, bitstring(header_byte)[2])))
+end
+
+function read_header_byte(f::Core.IO)
+end
+
+function show(io::IO, header::RecordHeader)
+    println(io, header.definition_message ? "DefinitionMessage" : "DataMessage")
+end
+
+end

src/file.jl

@@ -0,0 +1,24 @@
+module file
+
+export FITFile, read_file
+
+include("header.jl")
+include("body.jl")
+
+using .header
+using .body
+
+struct FITFile
+    header::FITHeader
+    body::RecordHeader
+end
+
+function read_file(filepath::AbstractString)::FITFile
+    open(filepath, "r") do f
+        header = read_header(f)
+        body = read_row(f)
+        FITFile(header, body)
+    end
+end
+
+end

src/functions.jl

@@ -1,3 +0,0 @@
-function greet_package()
-    print("Hello package")
-end