public bool GenerateAllCodes(string idl, string template, string dir)
{
if (!File.Exists(idl))
{
Console.WriteLine("IDL文件{0}不存在！", idl);
return(false);
}
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
string idlfile = Path.GetFileName(idl);
string rawname = idlfile.Substring(0, idlfile.IndexOf('.'));
string aa_bb_name = NameMangling(rawname, NameManglingType.aa_bb);
string AaBbName = NameMangling(rawname, NameManglingType.AaBb);
string tplfile = Path.GetFileName(template).Replace("Template", AaBbName).Replace("template", aa_bb_name);
string codefile = Path.Combine(dir, tplfile);
if (File.Exists(codefile) &&
!m_file_time_checker.IsModified(idl) &&
!m_file_time_checker.IsModified(template))
{
return(true);
}
IDLMeta meta = ParseIDL(idl);
if (meta == null)
{
return(false);
}
meta.lang = GetLanguageByTemplateExt(Path.GetExtension(template));
meta.code_file_name = tplfile.Substring(0, tplfile.IndexOf('.'));
if (!GenerateCode(meta, template, codefile))
{
Console.WriteLine("生成IDL文件{0}的代码失败！", idl);
return(false);
}
Console.WriteLine("生成代码文件：{0}成功", codefile);
m_file_time_checker.SetFileTime(idl);
m_file_time_checker.SetFileTime(template);
return(true);
}
public static IDLEnum FindUsingEnum(IDLMeta meta, string enum_name)
{
if (meta.meta_enum.TryGetValue(enum_name, out IDLEnum enumtype))
{
return(enumtype);
}
foreach (var u in meta.meta_using)
{
var c = CodeGenHelper.FindMetaEnum(u.using_name, enum_name);
if (c != null)
{
return(c);
}
}
return(null);
}
public IDLMeta ParseIDL(string idl)
{
IDLMeta meta = null;
string meta_name = Path.GetFileNameWithoutExtension(idl).Split('.')[0];
if (!all_xml_meta.TryGetValue(meta_name, out meta))
{
try
{
meta = IDLParser.Parse(idl);
}
catch (Exception e)
{
Console.WriteLine("解析IDL文件{0}失败,{1}", idl, e);
return(null);
}
all_xml_meta.Add(meta_name, meta);
}
return(meta);
}
public static IDLClass FindUsingClass(IDLMeta meta, string class_name)
{
if (class_name == null)
{
return(null);
}
if (meta.meta_class.TryGetValue(class_name, out IDLClass classtype))
{
return(classtype);
}
foreach (var u in meta.meta_using)
{
var c = CodeGenHelper.FindMetaClass(u.using_name, class_name);
if (c != null)
{
return(c);
}
}
return(null);
}
public bool GenerateCode(IDLMeta meta, string template, string codefile)
{
string[] lines = File.ReadAllLines(template);
//解析规则
var rules = TemplateRuleParser.Parse(lines.ToList());
//展开规则
List <string> code = new List <string>();
TemplateData data = new TemplateData();
data.SetGlobalVariant("Meta", meta);
//meta变量注入
foreach (var kv in meta.meta_variant)
{
data.SetGlobalVariant(kv.Key, kv.Value);
}
foreach (var rule in rules)
{
var code_line = rule.Apply(data);
code.AddRange(code_line);
}
//删除旧文件
if (File.Exists(codefile))
{
File.SetAttributes(codefile, FileAttributes.Normal);
File.Delete(codefile);
}
//写入文件
using (FileStream fs = new FileStream(codefile, FileMode.Create, FileAccess.Write))
{
using (StreamWriter sw = new StreamWriter(fs))
{
foreach (var line in code)
{
sw.WriteLine(line);
}
}
}
return(true);
}
public static bool ParseFieldType(IDLMeta meta, string typename, IDLType fieldtype, bool undefinedasclass = false)
{
fieldtype.type_name = typename;
switch (typename)
{
case "int": { fieldtype.type = eIDLType.INT; return(true); }
case "float": { fieldtype.type = eIDLType.FLOAT; return(true); }
case "string": { fieldtype.type = eIDLType.STRING; return(true); }
case "bool": { fieldtype.type = eIDLType.BOOL; return(true); }
default:
break;
}
Match m = Regex.Match(typename, @"List<(\w+)>");
if (m.Success)
{
fieldtype.type = eIDLType.LIST;
fieldtype.inner_type = new IDLType[1] {
new IDLType()
};
string inner_name = m.Groups[1].Value;
if (!ParseFieldType(meta, inner_name, fieldtype.inner_type[0], undefinedasclass))
{
return(false);
}
return(true);
}
m = Regex.Match(typename, @"Dict<(\w+),(\w+)>");
if (m.Success)
{
fieldtype.type = eIDLType.DICT;
fieldtype.inner_type = new IDLType[2] {
new IDLType(), new IDLType()
};
string key_name = m.Groups[1].Value;
if (!ParseFieldType(meta, key_name, fieldtype.inner_type[0]))
{
return(false);
}
string value_name = m.Groups[2].Value;
if (!ParseFieldType(meta, value_name, fieldtype.inner_type[1], undefinedasclass))
{
return(false);
}
return(true);
}
if (FindUsingClass(meta, typename) != null)
{
fieldtype.type = eIDLType.CLASS;
return(true);
}
if (FindUsingEnum(meta, typename) != null)
{
fieldtype.type = eIDLType.ENUM;
return(true);
}
if (undefinedasclass)
{
fieldtype.type = eIDLType.CLASS;
return(true);
}
Console.WriteLine("解析类型名称错误，未能识别{0}", typename);
return(false);
}
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);
}
