public static CadData?LoadJson(string fname)
{
StreamReader reader = new StreamReader(fname);
reader.ReadLine(); // skip "{\n"
string header = reader.ReadLine();
Regex headerPtn = new Regex(@"version=([0-9a-fA-F]+)");
Match m = headerPtn.Match(header);
string version = "";
if (m.Groups.Count >= 1)
{
version = m.Groups[1].Value;
}
string js = reader.ReadToEnd();
reader.Close();
js = js.Trim();
js = js.Substring(0, js.Length - 1);
js = "{" + js + "}";
byte[] bin = MessagePackSerializer.ConvertFromJson(js);
if (version == "1001")
{
MpCadData_v1001 mpcd = MessagePackSerializer.Deserialize <MpCadData_v1001>(bin);
CadData cd = new CadData(
mpcd.GetDB(),
mpcd.ViewInfo.WorldScale,
mpcd.ViewInfo.PaperSettings.GetPaperPageSize()
);
return(cd);
}
else if (version == "1002")
{
MpCadData_v1002 mpcd = MessagePackSerializer.Deserialize <MpCadData_v1002>(bin);
CadData cd = new CadData(
mpcd.GetDB(),
mpcd.ViewInfo.WorldScale,
mpcd.ViewInfo.PaperSettings.GetPaperPageSize()
);
return(cd);
}
return(null);
}
public static void Save(string fname, CadData cd)
{
MpCadData_v1002 mpcd = MpUtil_v1002.CreateMpCadData_v1002(cd);
mpcd.MpDB.GarbageCollect();
byte[] data = MessagePackSerializer.Serialize(mpcd);
FileStream fs = new FileStream(fname, FileMode.Create, FileAccess.Write);
fs.Write(Sign, 0, Sign.Length);
fs.Write(Version, 0, Version.Length);
fs.Write(data, 0, data.Length);
fs.Close();
}
public static CadData?Load(string fname)
{
FileStream fs = new FileStream(fname, FileMode.Open, FileAccess.Read);
byte[] sign = new byte[Sign.Length];
fs.Read(sign, 0, Sign.Length);
if (!Sign.SequenceEqual <byte>(sign))
{
fs.Close();
return(null);
}
byte[] version = new byte[Version.Length];
fs.Read(version, 0, Version.Length);
byte[] data = new byte[fs.Length - Sign.Length - Version.Length];
fs.Read(data, 0, data.Length);
fs.Close();
DOut.pl($"MpCadFile.Load {fname} {VersionStr(version)}");
if (IsVersion(version, 1, 0, 0, 0))
{
return(null);
}
else if (IsVersion(version, 1, 0, 0, 1))
{
MpCadData_v1001 mpdata = MessagePackSerializer.Deserialize <MpCadData_v1001>(data);
return(MpUtil_v1001.CreateCadData_v1001(mpdata));
}
else if (IsVersion(version, 1, 0, 0, 2))
{
MpCadData_v1002 mpdata = MessagePackSerializer.Deserialize <MpCadData_v1002>(data);
return(MpUtil_v1002.CreateCadData_v1002(mpdata));
}
return(null);
}
public static void SaveAsJson(string fname, CadData cd)
{
MpCadData_v1002 data = MpUtil_v1002.CreateMpCadData_v1002(cd);
string s = MessagePackSerializer.SerializeToJson(data);
s = s.Trim();
s = s.Substring(1, s.Length - 2);
string ss = @"{" + "\n" +
@"""header"":""" + "type=" + JsonSign + "," + "version=" + JsonVersion + @"""," + "\n" +
s + "\n" +
@"}";
StreamWriter writer = new StreamWriter(fname);
writer.Write(ss);
writer.Close();
}