Fix JSON read/write, XML write

SabreTools.Library/DatItems/BiosSet.cs

@@ -18,13 +18,13 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Description of the BIOS
         /// </summary>
-        [JsonProperty("description")]
+        [JsonProperty("description", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Description { get; set; }
 
         /// <summary>
         /// Determine whether the BIOS is default
         /// </summary>
-        [JsonProperty("default")]
+        [JsonProperty("default", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public bool? Default { get; set; }
 
         #endregion

SabreTools.Library/DatItems/DatItem.cs

@@ -62,13 +62,13 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Alternate name for the item
         /// </summary>
-        [JsonProperty("alt_romname")]
+        [JsonProperty("alt_romname", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string AltName { get; set; }
 
         /// <summary>
         /// Alternate title for the item
         /// </summary>
-        [JsonProperty("alt_title")]
+        [JsonProperty("alt_title", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string AltTitle { get; set; }
 
         #endregion
@@ -78,13 +78,13 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// OpenMSX sub item type
         /// </summary>
-        [JsonProperty("original")]
+        [JsonProperty("original", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public OpenMSXOriginal Original { get; set; }
 
         /// <summary>
         /// OpenMSX sub item type
         /// </summary>
-        [JsonProperty("openmsx_subtype")]
+        [JsonProperty("openmsx_subtype", DefaultValueHandling = DefaultValueHandling.Ignore)]
         [JsonConverter(typeof(StringEnumConverter))]
         public OpenMSXSubType OpenMSXSubType { get; set; }
 
@@ -92,19 +92,19 @@ namespace SabreTools.Library.DatItems
         /// OpenMSX sub item type
         /// </summary>
         /// <remarks>Not related to the subtype above</remarks>
-        [JsonProperty("openmsx_type")]
+        [JsonProperty("openmsx_type", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string OpenMSXType { get; set; }
 
         /// <summary>
         /// Item remark (like a comment)
         /// </summary>
-        [JsonProperty("remark")]
+        [JsonProperty("remark", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Remark { get; set; }
 
         /// <summary>
         /// Boot state
         /// </summary>
-        [JsonProperty("boot")]
+        [JsonProperty("boot", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Boot { get; set; }
 
         #endregion
@@ -114,58 +114,58 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Original hardware part associated with the item
         /// </summary>
-        [JsonProperty("partname")]
+        [JsonProperty("partname", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string PartName { get; set; }
 
         /// <summary>
         /// Original hardware interface associated with the item
         /// </summary>
-        [JsonProperty("partinterface")]
+        [JsonProperty("partinterface", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string PartInterface { get; set; }
 
         /// <summary>
         /// Features provided to/by the item
         /// </summary>
-        [JsonProperty("features")]
+        [JsonProperty("features", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<SoftwareListFeature> Features { get; set; }
 
         /// <summary>
         /// Original hardware part name within an item
         /// </summary>
-        [JsonProperty("areaname")]
+        [JsonProperty("areaname", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string AreaName { get; set; }
 
         /// <summary>
         /// Original hardware size within the part
         /// </summary>
-        [JsonProperty("areasize")]
+        [JsonProperty("areasize", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public long? AreaSize { get; set; }
 
         /// <summary>
         /// Width of the data area in bytes
         /// </summary>
         /// TODO: Convert to Int32
-        [JsonProperty("width")]
+        [JsonProperty("width", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string AreaWidth { get; set; } // (8|16|32|64) "8"
 
         /// <summary>
         /// Endianness of the data area
         /// </summary>
         /// TODO: Convert to Enum?
-        [JsonProperty("endianness")]
+        [JsonProperty("endianness", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string AreaEndianness { get; set; } // (big|little) "little"
 
         /// <summary>
         /// SoftwareList value associated with the item
         /// </summary>
-        [JsonProperty("value")]
+        [JsonProperty("value", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Value { get; set; }
 
         /// <summary>
         /// Loading flag
         /// </summary>
         /// TODO: Convert to Enum?
-        [JsonProperty("loadflag")]
+        [JsonProperty("loadflag", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string LoadFlag { get; set; } // (load16_byte|load16_word|load16_word_swap|load32_byte|load32_word|load32_word_swap|load32_dword|load64_word|load64_word_swap|reload|fill|continue|reload_plain|ignore)
 
         #endregion

SabreTools.Library/DatItems/Disk.cs

@@ -33,7 +33,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Data MD5 hash
         /// </summary>
-        [JsonProperty("md5")]
+        [JsonProperty("md5", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string MD5
         {
             get { return _md5.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_md5); }
@@ -44,7 +44,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Data RIPEMD160 hash
         /// </summary>
-        [JsonProperty("ripemd160")]
+        [JsonProperty("ripemd160", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string RIPEMD160
         {
             get { return _ripemd160.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_ripemd160); }
@@ -55,7 +55,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Data SHA-1 hash
         /// </summary>
-        [JsonProperty("sha1")]
+        [JsonProperty("sha1", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string SHA1
         {
             get { return _sha1.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha1); }
@@ -65,7 +65,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Data SHA-256 hash
         /// </summary>
-        [JsonProperty("sha256")]
+        [JsonProperty("sha256", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string SHA256
         {
             get { return _sha256.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha256); }
@@ -75,7 +75,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Data SHA-384 hash
         /// </summary>
-        [JsonProperty("sha384")]
+        [JsonProperty("sha384", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string SHA384
         {
             get { return _sha384.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha384); }
@@ -85,7 +85,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Data SHA-512 hash
         /// </summary>
-        [JsonProperty("sha512")]
+        [JsonProperty("sha512", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string SHA512
         {
             get { return _sha512.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha512); }
@@ -95,38 +95,38 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Disk name to merge from parent
         /// </summary>
-        [JsonProperty("merge")]
+        [JsonProperty("merge", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string MergeTag { get; set; }
 
         /// <summary>
         /// Disk region
         /// </summary>
-        [JsonProperty("region")]
+        [JsonProperty("region", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Region { get; set; }
 
         /// <summary>
         /// Disk index
         /// </summary>
-        [JsonProperty("index")]
+        [JsonProperty("index", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Index { get; set; }
 
         /// <summary>
         /// Disk writable flag
         /// </summary>
-        [JsonProperty("writable")]
+        [JsonProperty("writable", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public bool? Writable { get; set; }
 
         /// <summary>
         /// Disk dump status
         /// </summary>
-        [JsonProperty("status")]
+        [JsonProperty("status", DefaultValueHandling = DefaultValueHandling.Ignore)]
         [JsonConverter(typeof(StringEnumConverter))]
         public ItemStatus ItemStatus { get; set; }
 
         /// <summary>
         /// Determine if the disk is optional in the set
         /// </summary>
-        [JsonProperty("optional")]
+        [JsonProperty("optional", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public bool? Optional { get; set; }
 
         #endregion

SabreTools.Library/DatItems/Machine.cs

@@ -21,68 +21,68 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Name of the machine
         /// </summary>
-        [JsonProperty("name")]
+        [JsonProperty("name", DefaultValueHandling = DefaultValueHandling.Include)]
         public string Name { get; set; } = null;
 
         /// <summary>
         /// Additional notes
         /// </summary>
         /// <remarks>Known as "Extra" in AttractMode</remarks>
-        [JsonProperty("comment")]
+        [JsonProperty("comment", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Comment { get; set; } = null;
 
         /// <summary>
         /// Extended description
         /// </summary>
-        [JsonProperty("description")]
+        [JsonProperty("description", DefaultValueHandling = DefaultValueHandling.Include)]
         public string Description { get; set; } = null;
 
         /// <summary>
         /// Year(s) of release/manufacture
         /// </summary>
-        [JsonProperty("year")]
+        [JsonProperty("year", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Year { get; set; } = null;
 
         /// <summary>
         /// Manufacturer, if available
         /// </summary>
-        [JsonProperty("manufacturer")]
+        [JsonProperty("manufacturer", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Manufacturer { get; set; } = null;
 
         /// <summary>
         /// Publisher, if available
         /// </summary>
-        [JsonProperty("publisher")]
+        [JsonProperty("publisher", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Publisher { get; set; } = null;
 
         /// <summary>
         /// Category, if available
         /// </summary>
-        [JsonProperty("category")]
+        [JsonProperty("category", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Category { get; set; } = null;
 
         /// <summary>
         /// fomof parent
         /// </summary>
-        [JsonProperty("romof")]
+        [JsonProperty("romof", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string RomOf { get; set; } = null;
 
         /// <summary>
         /// cloneof parent
         /// </summary>
-        [JsonProperty("cloneof")]
+        [JsonProperty("cloneof", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string CloneOf { get; set; } = null;
 
         /// <summary>
         /// sampleof parent
         /// </summary>
-        [JsonProperty("sampleof")]
+        [JsonProperty("sampleof", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string SampleOf { get; set; } = null;
 
         /// <summary>
         /// Type of the machine
         /// </summary>
-        [JsonProperty("type")]
+        [JsonProperty("type", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public MachineType MachineType { get; set; } = MachineType.NULL;
 
         #endregion
@@ -93,43 +93,43 @@ namespace SabreTools.Library.DatItems
         /// Player count
         /// </summary>
         /// <remarks>Also in Logiqx EmuArc</remarks>
-        [JsonProperty("players")]
+        [JsonProperty("players", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Players { get; set; } = null;
 
         /// <summary>
         /// Screen rotation
         /// </summary>
-        [JsonProperty("rotation")]
+        [JsonProperty("rotation", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Rotation { get; set; } = null;
 
         /// <summary>
         /// Control method
         /// </summary>
-        [JsonProperty("control")]
+        [JsonProperty("control", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Control { get; set; } = null;
 
         /// <summary>
         /// Support status
         /// </summary>
-        [JsonProperty("status")]
+        [JsonProperty("status", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Status { get; set; } = null;
 
         /// <summary>
         /// Display count
         /// </summary>
-        [JsonProperty("displaycount")]
+        [JsonProperty("displaycount", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string DisplayCount { get; set; } = null;
 
         /// <summary>
         /// Display type
         /// </summary>
-        [JsonProperty("displaytype")]
+        [JsonProperty("displaytype", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string DisplayType { get; set; } = null;
 
         /// <summary>
         /// Number of input buttons
         /// </summary>
-        [JsonProperty("buttons")]
+        [JsonProperty("buttons", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Buttons { get; set; } = null;
 
         #endregion
@@ -140,50 +140,50 @@ namespace SabreTools.Library.DatItems
         /// Emulator source file related to the machine
         /// </summary>
         /// <remarks>Also in Logiqx</remarks>
-        [JsonProperty("sourcefile")]
+        [JsonProperty("sourcefile", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string SourceFile { get; set; } = null;
 
         /// <summary>
         /// Machine runnable status
         /// </summary>
         /// <remarks>Also in Logiqx</remarks>
-        [JsonProperty("runnable")]
+        [JsonProperty("runnable", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public Runnable Runnable { get; set; } = Runnable.NULL;
 
         /// <summary>
         /// List of associated device names
         /// </summary>
-        [JsonProperty("devices")]
+        [JsonProperty("devices", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<ListXmlDeviceReference> DeviceReferences { get; set; } = null;
 
         /// <summary>
         /// List of associated chips
         /// </summary>
-        [JsonProperty("chips")]
+        [JsonProperty("chips", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<ListXmlChip> Chips { get; set; } = null;
 
         /// <summary>
         /// List of associated displays
         /// </summary>
-        [JsonProperty("displays")]
+        [JsonProperty("displays", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<ListXmlDisplay> Displays { get; set; } = null;
 
         /// <summary>
         /// List of associated sounds
         /// </summary>
-        [JsonProperty("sounds")]
+        [JsonProperty("sounds", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<ListXmlSound> Sounds { get; set; } = null;
 
         /// <summary>
         /// List of associated conditions
         /// </summary>
-        [JsonProperty("conditions")]
+        [JsonProperty("conditions", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<ListXmlCondition> Conditions { get; set; } = null;
 
         /// <summary>
         /// List of associated inputs
         /// </summary>
-        [JsonProperty("inputs")]
+        [JsonProperty("inputs", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<ListXmlInput> Inputs { get; set; } = null;
 
         /// <summary>
@@ -191,26 +191,26 @@ namespace SabreTools.Library.DatItems
         /// </summary>
         /// <remarks>Also in SoftwareList</remarks>
         /// TODO: Order ListXML and SoftwareList outputs by area names
-        [JsonProperty("dipswitches")]
+        [JsonProperty("dipswitches", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<ListXmlDipSwitch> DipSwitches { get; set; } = null;
 
         /// <summary>
         /// List of associated configurations
         /// </summary>
-        [JsonProperty("configurations")]
+        [JsonProperty("configurations", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<ListXmlConfiguration> Configurations { get; set; } = null;
 
         /// <summary>
         /// List of slot options
         /// </summary>
-        [JsonProperty("slots")]
+        [JsonProperty("slots", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<ListXmlSlot> Slots { get; set; } = null;
 
         /// <summary>
         /// List of info items
         /// </summary>
         /// <remarks>Also in SoftwareList</remarks>
-        [JsonProperty("infos")]
+        [JsonProperty("infos", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<ListXmlInfo> Infos { get; set; } = null;
 
         #endregion
@@ -220,13 +220,13 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Machine board name
         /// </summary>
-        [JsonProperty("board")]
+        [JsonProperty("board", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Board { get; set; } = null;
 
         /// <summary>
         /// Rebuild location if different than machine name
         /// </summary>
-        [JsonProperty("rebuildto")]
+        [JsonProperty("rebuildto", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string RebuildTo { get; set; } = null;
 
         #endregion
@@ -236,55 +236,55 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Title ID
         /// </summary>
-        [JsonProperty("titleid")]
+        [JsonProperty("titleid", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string TitleID { get; set; } = null;
 
         /// <summary>
         /// Machine developer
         /// </summary>
-        [JsonProperty("developer")]
+        [JsonProperty("developer", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Developer { get; set; } = null;
 
         /// <summary>
         /// Game genre
         /// </summary>
-        [JsonProperty("genre")]
+        [JsonProperty("genre", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Genre { get; set; } = null;
 
         /// <summary>
         /// Game subgenre
         /// </summary>
-        [JsonProperty("genre")]
+        [JsonProperty("subgenre", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Subgenre { get; set; } = null;
 
         /// <summary>
         /// Game ratings
         /// </summary>
-        [JsonProperty("ratings")]
+        [JsonProperty("ratings", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Ratings { get; set; } = null;
 
         /// <summary>
         /// Game score
         /// </summary>
-        [JsonProperty("score")]
+        [JsonProperty("score", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Score { get; set; } = null;
 
         /// <summary>
         /// Is the machine enabled
         /// </summary>
-        [JsonProperty("enabled")]
+        [JsonProperty("enabled", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Enabled { get; set; } = null; // bool?
 
         /// <summary>
         /// Does the game have a CRC check
         /// </summary>
-        [JsonProperty("hascrc")]
+        [JsonProperty("hascrc", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public bool? HasCrc { get; set; } = null;
 
         /// <summary>
         /// Machine relations
         /// </summary>
-        [JsonProperty("relatedto")]
+        [JsonProperty("relatedto", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string RelatedTo { get; set; } = null;
 
         #endregion
@@ -294,19 +294,19 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Generation MSX ID
         /// </summary>
-        [JsonProperty("genmsxid")]
+        [JsonProperty("genmsxid", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string GenMSXID { get; set; } = null;
 
         /// <summary>
         /// MSX System
         /// </summary>
-        [JsonProperty("system")]
+        [JsonProperty("system", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string System { get; set; } = null;
 
         /// <summary>
         /// Machine country of origin
         /// </summary>
-        [JsonProperty("country")]
+        [JsonProperty("country", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Country { get; set; } = null;
 
         #endregion
@@ -316,13 +316,13 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Support status
         /// </summary>
-        [JsonProperty("supported")]
+        [JsonProperty("supported", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public Supported Supported { get; set; } = Supported.NULL;
 
         /// <summary>
         /// List of shared feature items
         /// </summary>
-        [JsonProperty("sharedfeat")]
+        [JsonProperty("sharedfeat", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public List<SoftwareListSharedFeature> SharedFeatures { get; set; } = null;
 
         #endregion

SabreTools.Library/DatItems/Release.cs

@@ -18,25 +18,25 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Release region(s)
         /// </summary>
-        [JsonProperty("region")]
+        [JsonProperty("region", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Region { get; set; }
 
         /// <summary>
         /// Release language(s)
         /// </summary>
-        [JsonProperty("language")]
+        [JsonProperty("language", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Language { get; set; }
 
         /// <summary>
         /// Date of release
         /// </summary>
-        [JsonProperty("date")]
+        [JsonProperty("date", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Date { get; set; }
 
         /// <summary>
         /// Default release, if applicable
         /// </summary>
-        [JsonProperty("default")]
+        [JsonProperty("default", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public bool? Default { get; set; }
 
         #endregion

SabreTools.Library/DatItems/Rom.cs

@@ -36,19 +36,19 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// What BIOS is required for this rom
         /// </summary>
-        [JsonProperty("bios")]
+        [JsonProperty("bios", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Bios { get; set; }
 
         /// <summary>
         /// Byte size of the rom
         /// </summary>
-        [JsonProperty("size")]
+        [JsonProperty("size", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public long Size { get; set; }
 
         /// <summary>
         /// File CRC32 hash
         /// </summary>
-        [JsonProperty("crc")]
+        [JsonProperty("crc", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string CRC
         {
             get { return _crc.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_crc); }
@@ -58,7 +58,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// File MD5 hash
         /// </summary>
-        [JsonProperty("md5")]
+        [JsonProperty("md5", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string MD5
         {
             get { return _md5.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_md5); }
@@ -69,7 +69,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// File RIPEMD160 hash
         /// </summary>
-        [JsonProperty("ripemd160")]
+        [JsonProperty("ripemd160", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string RIPEMD160
         {
             get { return _ripemd160.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_ripemd160); }
@@ -80,7 +80,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// File SHA-1 hash
         /// </summary>
-        [JsonProperty("sha1")]
+        [JsonProperty("sha1", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string SHA1
         {
             get { return _sha1.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha1); }
@@ -90,7 +90,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// File SHA-256 hash
         /// </summary>
-        [JsonProperty("sha256")]
+        [JsonProperty("sha256", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string SHA256
         {
             get { return _sha256.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha256); }
@@ -100,7 +100,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// File SHA-384 hash
         /// </summary>
-        [JsonProperty("sha384")]
+        [JsonProperty("sha384", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string SHA384
         {
             get { return _sha384.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha384); }
@@ -110,7 +110,7 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// File SHA-512 hash
         /// </summary>
-        [JsonProperty("sha512")]
+        [JsonProperty("sha512", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string SHA512
         {
             get { return _sha512.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha512); }
@@ -120,44 +120,44 @@ namespace SabreTools.Library.DatItems
         /// <summary>
         /// Rom name to merge from parent
         /// </summary>
-        [JsonProperty("merge")]
+        [JsonProperty("merge", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string MergeTag { get; set; }
 
         /// <summary>
         /// Rom region
         /// </summary>
-        [JsonProperty("region")]
+        [JsonProperty("region", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Region { get; set; }
 
         /// <summary>
         /// Data offset within rom
         /// </summary>
-        [JsonProperty("offset")]
+        [JsonProperty("offset", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Offset { get; set; }
 
         /// <summary>
         /// File created date
         /// </summary>
-        [JsonProperty("date")]
+        [JsonProperty("date", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public string Date { get; set; }
 
         /// <summary>
         /// Rom dump status
         /// </summary>
-        [JsonProperty("status")]
+        [JsonProperty("status", DefaultValueHandling = DefaultValueHandling.Ignore)]
         [JsonConverter(typeof(StringEnumConverter))]
         public ItemStatus ItemStatus { get; set; }
 
         /// <summary>
         /// Determine if the rom is optional in the set
         /// </summary>
-        [JsonProperty("optional")]
+        [JsonProperty("optional", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public bool? Optional { get; set; }
 
         /// <summary>
         /// Determine if the CRC32 hash is inverted
         /// </summary>
-        [JsonProperty("inverted")]
+        [JsonProperty("inverted", DefaultValueHandling = DefaultValueHandling.Ignore)]
         public bool? Inverted { get; set; }
 
         #endregion