public bool HasAttr(string name)
{
if (attrs.Count == 0)
{
return(false);
}
IDLAttr a = attrs.Find(attr => attr.attr_name == name);
if (a != null)
{
return(true);
}
return(false);
}
public string[] GetAttrParams(string name)
{
if (attrs.Count == 0)
{
return(null);
}
IDLAttr a = attrs.Find(attr => attr.attr_name == name);
if (a != null)
{
return(a.attr_params);
}
return(null);
}
public string[] attr_params; //参数按逗号拆分
public static IDLAttr ParseAttr(string line)
{
line = line.Substring(line.IndexOf('[') + 1, line.IndexOf(']') - line.IndexOf('[') - 1);
if (string.IsNullOrEmpty(line))
{
return(null);
}
IDLAttr idlattr = new IDLAttr();
//处理带参数的属性
string[] ss = line.Split('(');
idlattr.attr_name = ss[0];
if (ss.Length > 1)
{
idlattr.attr_param = ss[1].Split(')')[0];
idlattr.attr_params = idlattr.attr_param.Split(',');
}
return(idlattr);
}
public static IDLMeta Parse(string idl)
{
IDLMeta meta = new IDLMeta();
IDLClass m_class = null;
IDLEnum m_enum = null;
string[] lines = File.ReadAllLines(idl);
string metaname = new string(Path.GetFileNameWithoutExtension(idl).TakeWhile(c => c != '.').ToArray());
meta.meta_file_path = Path.Combine(Path.GetDirectoryName(idl), metaname).Replace('\\', '/');
meta.meta_name = CodeGenHelper.NameMangling(metaname, NameManglingType.AaBb);
string comment = null;
IDLAttr attr = null;
ParseState m_parseState = ParseState.End;
for (int i = 0; i < lines.Count(); i++)
{
//注释
string cc = parseComment(ref lines[i]);
if (!string.IsNullOrEmpty(cc))
{
comment = cc;
}
//空行
if (Regex.IsMatch(lines[i], @"^\s*$"))
{
continue;
}
//特性
if (Regex.IsMatch(lines[i], @"^\s*\[.*\]\s*$"))
{
attr = IDLAttr.ParseAttr(lines[i]);
continue;
}
//变量
Match match = Regex.Match(lines[i], @"^\s*set\s+(\w+)\s*=\s*(\w+)\s*;\s*$");
if (match.Success)
{
string key = match.Groups[1].Value;
string val = match.Groups[2].Value;
meta.meta_variant.Add(key, val);
continue;
}
//引用
match = Regex.Match(lines[i], @"^\s*using\s+(\w+)\s*;\s*$");
if (match.Success)
{
IDLUsing u = new IDLUsing();
u.comment = comment;
u.using_name = match.Groups[1].Value;
u.Meta = meta;
meta.meta_using.Add(u);
comment = null;
continue;
}
//结束
if (Regex.IsMatch(lines[i], @"^\s*};?\s*$"))
{
if (m_parseState == ParseState.End)
{
throw new Exception($"idl文件错误：第{i + 1}行,{lines[i]}");
}
if (m_parseState == ParseState.BeginClass)
{
meta.meta_class.Add(m_class.class_name, m_class);
m_class = null;
}
else if (m_parseState == ParseState.BeginEnum)
{
meta.meta_enum.Add(m_enum.enum_name, m_enum);
m_enum = null;
}
m_parseState = ParseState.End;
continue;
}
//开始
if (Regex.IsMatch(lines[i], @"^\s*{\s*$"))
{
if (m_parseState != ParseState.BeginClass && m_parseState != ParseState.BeginEnum)
{
throw new Exception($"idl文件错误：第{i + 1}行,{lines[i]}");
}
continue;
}
//枚举开始
match = Regex.Match(lines[i], @"^\s*enum\s*(\w+)\s*{?\s*$");
if (match.Success)
{
if (m_parseState != ParseState.End)
{
throw new Exception($"idl文件错误：第{i + 1}行,{lines[i]}");
}
m_parseState = ParseState.BeginEnum;
m_enum = new IDLEnum();
m_enum.comment = comment;
m_enum.enum_name = match.Groups[1].Value;
m_enum.Meta = meta;
attr = null;//用完清空
comment = null;
continue;
}
//结构体开始
match = Regex.Match(lines[i], @"^\s*(struct|class)\s*(\w+)\s*{?\s*$");
if (match.Success)
{
if (m_parseState != ParseState.End)
{
throw new Exception($"idl文件错误：第{i + 1}行,{lines[i]}");
}
m_parseState = ParseState.BeginClass;
m_class = new IDLClass();
m_class.comment = comment;
m_class.class_name = match.Groups[2].Value;
m_class.Meta = meta;
if (attr != null)
{
m_class.attrs.Add(attr);
}
if (attr != null && attr.attr_name == "root")
{
meta.root_class_name = m_class.class_name;
}
attr = null;//用完清空
comment = null;
continue;
}
//结构体
if (m_parseState == ParseState.BeginClass)
{
parseGenericType(ref lines[i]);
string def = parseDefaultValue(ref lines[i]);
Match m = Regex.Match(lines[i], @"\s*(\S+)\s+(\w+)\s*;\s*$");
if (m.Success == false)
{
throw new Exception($"idl文件错误：第{i + 1}行,{lines[i]}");
}
IDLClassField field = new IDLClassField();
field.comment = comment;
field.type_name = m.Groups[1].Value;
field.field_name = m.Groups[2].Value;
field.default_value = def;
if (attr != null)
{
field.attrs.Add(attr);
}
field.Class = m_class;
if (!ParseFieldType(meta, field.type_name, field.field_type, true))
{
throw new Exception($"idl文件错误：第{i + 1}行,{lines[i]}");
}
m_class.fieldList.Add(field);
attr = null;//用完清空
comment = null;
continue;
}
//枚举
if (m_parseState == ParseState.BeginEnum)
{
Match m = Regex.Match(lines[i], @"\s*(\w+)\s*=\s*(\w+)\s*,\s*$");
if (m.Success == false)
{
throw new Exception($"idl文件错误：第{i + 1}行,{lines[i]}");
}
IDLEnumField item = new IDLEnumField();
item.comment = comment;
item.item_name = m.Groups[1].Value;
item.item_value = m.Groups[2].Value;
item.Enum = m_enum;
m_enum.enum_fields.Add(item.item_name, item);
attr = null;//用完清空
comment = null;
continue;
}
throw new Exception($"idl文件错误：第{i + 1}行,{lines[i]}");
}
return(meta);
}