static ITypeDecleration ReadProtoType(MsgCodeReader reader, string ns, string[] parentTypes, TypeDict typeDict, bool requireMsgKeyWord, List <string> usings = null)
{
string typeName = null;
ShellType ret = null;
TypeCustom type = null;
bool typeExtend = false;
string baseType = null;
bool done = false;
bool isProperty = false;
bool isArrayProperty = false;
string propertyName = null;
string propertyType = null;
bool protoMemberEq = false;
int protoMember = -1;
int hasDefaultVal = 0;
string defaultValue = null;
string[] newParentTypes = null;
string comments = null;
while (reader.CanPeek())
{
char chr = (char)reader.Peek();
if (chr == '\n')
{
reader.Next();
continue;
}
if (WHITE_CHARS.IndexOf(chr) >= 0)
{
reader.Next();
continue;
}
//Debug.LogFormat("'{0}' at Line {1} Column {2}", chr, reader.LineCount, reader.Column - 1);
if (string.IsNullOrEmpty(typeName))
{
typeName = ReadContentWord(reader);
if (requireMsgKeyWord && typeName == "message")
{
typeName = null;
requireMsgKeyWord = false;
}
continue;
}
else
{
bool typeDone = false;
if (type == null)
{
if (chr != '{')
{
string w = ReadContentWord(reader, ".");
if (typeExtend)
{
if (string.IsNullOrEmpty(baseType))
{
baseType = w;
continue;
}
}
else
{
if (w == "extend")
{
typeExtend = true;
continue;
}
}
Debug.LogWarning(w);
throw new Exception("'{' is required after message name !");
}
if (newParentTypes == null)
{
if (parentTypes == null)
{
parentTypes = new string[0];
}
newParentTypes = new string[parentTypes.Length + 1];
Array.Copy(parentTypes, 0, newParentTypes, 0, parentTypes.Length);
newParentTypes[parentTypes.Length] = typeName;
}
ret = typeDict.GetType(ns, parentTypes, typeName, false, usings);
if (ret != null && ret.type is TypeCustom)
{
type = ret.type as TypeCustom;
}
else
{
if (ret == null)
{
ret = new ShellType(typeName);
}
type = new TypeCustom(typeName);
ret.type = type;
}
typeDict.AddType(ns, parentTypes, typeName, ret);
type.SetTypeExtend(baseType);
reader.Next();
}
else if (chr == '}')
{
//TODO is illegal
reader.Next();
done = true;
break;
}
else if (!isProperty)
{
comments = reader.LastComment;
string kw = ReadContentWord(reader);
if (kw == "optional" || kw == "required")
{
isProperty = true;
isArrayProperty = false;
}
else if (kw == "repeated")
{
isProperty = true;
isArrayProperty = true;
}
else if (kw == "message")
{
isProperty = false;
isArrayProperty = false;
ITypeDecleration subType = ReadProtoType(reader, ns, newParentTypes, typeDict, false);
if (!string.IsNullOrEmpty(comments))
{
subType.AddTypeComments(comments);
}
comments = null;
type.AddSubType(subType);
}
else if (kw == "enum")
{
ITypeDecleration subType = ReadEnumType(reader, ns, newParentTypes, typeDict, false);
if (!string.IsNullOrEmpty(comments))
{
subType.AddTypeComments(comments);
}
comments = null;
type.AddSubType(subType);
}
else
{
throw new Exception(string.Format("Unknown key word '{0}' !", kw));
}
}
else if (string.IsNullOrEmpty(propertyType))
{
propertyType = ReadContentWord(reader);
if (string.IsNullOrEmpty(propertyType))
{
throw new Exception("Property Type is required !");
}
}
else if (string.IsNullOrEmpty(propertyName))
{
propertyName = ReadContentWord(reader);
if (string.IsNullOrEmpty(propertyName))
{
throw new Exception("Property Name is required !");
}
}
else if (!protoMemberEq)
{
if (chr != '=')
{
throw new Exception("'=' is required after property name !");
}
protoMemberEq = true;
reader.Next();
}
else if (protoMember <= 0)
{
string pm = ReadContentWord(reader);
//Debug.LogWarning("pm : " + pm + " char " + reader.Peek());
if (!TryParseInt(pm, out protoMember))
{
throw new Exception(string.Format("Cannot parse proto member '{0}' into int !", pm));
}
if (protoMember <= 0)
{
throw new Exception("Proto member should be greater than or equal to 1");
}
}
else if (hasDefaultVal == 0)
{
if (chr == ';')
{
typeDone = true;
}
else
{
if (chr != '[')
{
throw new Exception("';' or '[default=xxx]' is required in property definition !");
}
hasDefaultVal = 1;
}
reader.Next();
}
else if (hasDefaultVal == 1)
{
string def = ReadContentWord(reader);
if (def != "default")
{
Debug.LogError(def);
throw new Exception("'[default=xxx]' is required in property definition !");
}
hasDefaultVal = 2;
}
else if (hasDefaultVal == 2)
{
if (chr != '=')
{
throw new Exception("'[default=xxx]' is required in property definition !");
}
hasDefaultVal = 3;
reader.Next();
}
else if (hasDefaultVal == 3)
{
defaultValue = ReadContentString(reader, "]\n");
if (string.IsNullOrEmpty(defaultValue))
{
throw new Exception("Illegal default value in property definition !");
}
Debug.LogWarning("default value : " + defaultValue);
hasDefaultVal = 4;
}
else if (hasDefaultVal == 4)
{
if (chr != ']')
{
throw new Exception("'[default=xxx]' is required in property definition !");
}
hasDefaultVal = 5;
reader.Next();
}
else
{
if (chr != ';')
{
throw new Exception("';' is required after property definition !");
}
typeDone = true;
reader.Next();
}
if (typeDone)
{
TypeBase t = TypeHelper.GetXmlValueType(propertyType);
if (t == null)
{
t = typeDict.GetType(ns, newParentTypes, propertyType, true, usings);
}
//Debug.LogWarningFormat("\t{0}{1} {2} = {3}", propertyType, isArrayProperty ? "[]" : "", propertyName, protoMember);
type.AddField(propertyName, t, isArrayProperty, defaultValue, comments, protoMember);
propertyType = null;
propertyName = null;
protoMemberEq = false;
isArrayProperty = false;
protoMember = -1;
isProperty = false;
comments = null;
hasDefaultVal = 0;
defaultValue = null;
}
}
}
if (!done)
{
throw new Exception(string.Format("message '{0}' is not completed !", typeName));
}
//Debug.Log(ret);
return(ret);
}
private static string GenerateScript(string msgPath, string codeDir, ref string codePath)
{
if (string.IsNullOrEmpty(msgPath))
{
return(null);
}
last_proto_dir = Path.GetDirectoryName(msgPath);
string ns = null;
string cn = null;
StreamReader reader = null;
MsgCodeReader CodeReader = null;
try
{
reader = new StreamReader(msgPath, Encoding.UTF8);
CodeReader = new MsgCodeReader(reader);
CodeReader.Next();
List <string> usings;
Dictionary <string, List <ITypeDecleration> > types = ReadProto(CodeReader, out usings);
reader.Close();
reader = null;
StringBuilder code = new StringBuilder();
code.AppendLine("/**************************************************************************************************");
code.AppendLine(" 自动生成的MsgPack代码 请勿手动修改");
code.AppendLine("**************************************************************************************************/");
code.AppendLine();
//写入using
for (int i = 0, imax = usings.Count; i < imax; i++)
{
code.AppendLine(string.Format("using {0};", usings[i]));
}
if (usings.Count > 0)
{
code.AppendLine();
}
//
foreach (KeyValuePair <string, List <ITypeDecleration> > kv in types)
{
if (string.IsNullOrEmpty(ns) && string.IsNullOrEmpty(cn))
{
for (int i = 0, imax = kv.Value.Count; i < imax; i++)
{
ITypeDecleration td = kv.Value[i];
TypeCustom t = td is ShellType ? ((td as ShellType).type as TypeCustom) : (td as TypeCustom);
if (t == null)
{
continue;
}
ns = kv.Key;
cn = t.typeName;
break;
}
}
string indent = "\t";
if (kv.Key == "global")
{
indent = "";
}
else
{
code.AppendLine(string.Format("namespace {0}", kv.Key));
code.AppendLine("{");
code.AppendLine();
}
for (int i = 0, imax = kv.Value.Count; i < imax; i++)
{
kv.Value[i].GenerateTypeDecleration(code, true, indent, null, false, false, true, false);
code.AppendLine();
}
if (kv.Key != "global")
{
code.AppendLine("}");
}
}
if (string.IsNullOrEmpty(codeDir))
{
codeDir = last_code_dir;
}
if (string.IsNullOrEmpty(codePath))
{
codePath = EditorUtility.SaveFilePanelInProject("Select Code Path", cn, "cs", "", codeDir);
}
if (string.IsNullOrEmpty(codePath))
{
ns = null;
cn = null;
}
else
{
last_code_dir = Path.GetDirectoryName(codePath);
bool toWrite = true;
if (File.Exists(codePath))
{
MD5CryptoServiceProvider md5calc = new MD5CryptoServiceProvider();
byte[] bs = Encoding.UTF8.GetBytes(code.ToString());
string h1 = BitConverter.ToString(md5calc.ComputeHash(bs));
using (FileStream fs = File.OpenRead(codePath))
{
if (!(fs.ReadByte() == 0xef && fs.ReadByte() == 0xbb && fs.ReadByte() == 0xbf))
{
fs.Position = 0L;
}
string h2 = BitConverter.ToString(md5calc.ComputeHash(fs));
toWrite = h1 != h2;
}
}
if (toWrite)
{
File.WriteAllText(codePath, code.ToString(), Encoding.UTF8);
}
}
}
catch (Exception e)
{
Debug.LogException(e);
string errorpos = string.Format("At {0}:{1},{2}", msgPath, CodeReader.LineCount, CodeReader.Column);
Debug.LogError(errorpos);
EditorUtility.DisplayDialog("ProtoGen Error", string.Concat(e.Message, "\n\n", errorpos), "OK");
ns = null;
cn = null;
}
if (reader != null)
{
reader.Close();
}
if (string.IsNullOrEmpty(ns) || string.IsNullOrEmpty(cn))
{
return(null);
}
return(ns == "global" ? cn : string.Concat(ns, ".", cn));
}
public static Dictionary <string, List <ITypeDecleration> > ReadProto(MsgCodeReader reader, out List <string> usings)
{
usings = new List <string>();
Dictionary <string, List <ITypeDecleration> > ret = new Dictionary <string, List <ITypeDecleration> >();
int requiredChar = -1;
Dictionary <string, TypeDict> typeDicts = new Dictionary <string, TypeDict>();
TypeDict typeDict = null;
List <ITypeDecleration> types = null;
int curState = 0; //1 for package, 2 for import, 4 for message, 5 for enum
string curNameSpace = "global";
bool headsOver = false;
while (reader.CanPeek())
{
char chr = (char)reader.Peek();
if (WHITE_CHARS.IndexOf(chr) >= 0)
{
reader.Next();
continue;
}
if (requiredChar >= 0)
{
if ((char)requiredChar != chr)
{
throw new Exception(string.Format("'{0}' is required !", (char)requiredChar));
}
requiredChar = -1;
reader.Next();
continue;
}
if (chr == '\n')
{
reader.Next();
continue;
}
if (curState == 0)
{
string kw = ReadContentWord(reader);
if (kw == "package")
{
curState = 1;
}
else if (kw == "import")
{
if (headsOver)
{
throw new Exception("'import' should be in front of all types !");
}
curState = 2;
}
else if (kw == "message")
{
curState = 4;
}
else if (kw == "enum")
{
curState = 5;
}
else
{
Debug.LogError(chr + " " + (int)chr + " at line " + reader.LineCount + " column " + reader.Column);
throw new Exception(string.Format("Unknows keyword '{0}' !", kw));
}
}
else if (curState == 1) //package
{
curNameSpace = ReadContentWord(reader, ".");
requiredChar = ';';
types = null;
typeDict = null;
curState = 0;
}
else if (curState == 2) //import
{
bool hasQuot = chr == '"';
if (hasQuot)
{
reader.Next();
}
string importNs = ReadContentWord(reader, ".");
if (string.IsNullOrEmpty(importNs))
{
throw new Exception("Namespace after 'import' is required !");
}
if (hasQuot)
{
if (reader.Peek() != '"')
{
throw new Exception("'\"' should be appeared in pairs !");
}
reader.Next();
}
usings.Add(importNs);
requiredChar = ';';
curState = 0;
}
else if (curState == 4 || curState == 5)
{
string comments = reader.LastComment;
headsOver = true;
if (types == null && !ret.TryGetValue(curNameSpace, out types))
{
types = new List <ITypeDecleration>();
ret.Add(curNameSpace, types);
}
if (typeDict == null && !typeDicts.TryGetValue(curNameSpace, out typeDict))
{
typeDict = new TypeDict();
typeDicts.Add(curNameSpace, typeDict);
}
if (curState == 4) //message
{
ITypeDecleration type = ReadProtoType(reader, curNameSpace, null, typeDict, false, usings);
if (!string.IsNullOrEmpty(comments))
{
type.AddTypeComments(comments);
}
types.Add(type);
curState = 0;
}
else if (curState == 5) //enum
{
ITypeDecleration type = ReadEnumType(reader, curNameSpace, null, typeDict, false);
if (!string.IsNullOrEmpty(comments))
{
type.AddTypeComments(comments);
}
types.Add(type);
curState = 0;
}
}
}
return(ret);
}