public void MergeFiles(string filename, string newFilename, string out_filename)
{
try
{
List <MethodContent> methods = ReadFileMethods(filename);
List <MethodContent> new_methods = ReadFileMethods(newFilename);
using (StringWriter file = new StringWriter())
{
foreach (MethodContent method in new_methods)
{
MethodContent.Write(file, method.pre);
MethodContent old_method = FindMethod(methods, method.old_name);
if (old_method == null)
{
old_method = method;
}
MethodContent.Write(file, old_method.codes);
}
UpdateFile(file, out_filename);
}
}
catch (Exception e)
{
Console.WriteLine("Diff Error : {0} {1}", filename, e.Message);
}
}
private static List <MethodContent> ReadFileMethods(string filename)
{
List <MethodContent> methods = new List <MethodContent>();
using (StreamReader file = new StreamReader(filename))
{
while (true)
{
MethodContent method = ReadItem(file);
if (method != null)
{
methods.Add(method);
if (methods.Count == 1 && string.IsNullOrEmpty(method.name))
{
method.name = "init_part";
method.old_name = method.name;
}
}
else
{
break;
}
}
if (methods.Count > 1)
{
MethodContent lastMethod = methods[methods.Count - 1];
if (string.IsNullOrEmpty(lastMethod.name))
{
lastMethod.name = "uninit_part";
lastMethod.old_name = lastMethod.name;
}
}
return(methods);
}
}
private static MethodContent ReadItem(StreamReader file)
{
List <string> lines = new List <string>();
string line = Readline(file, ref lines);
if (line == null)
{
return(null);
}
int lastIndex = -1;
string name = "";
string old_name = "";
while (line != null && !StartsWith(item_begin, line))
{
line = Readline(file, ref lines);
if (line == null)
{
break;
}
// old format
bool bHasItemHead = false;
// method header
if (StartsWith(item_head, line))
{
line = Readline(file, ref lines);
bHasItemHead = true;
}
// last name
if (StartsWith(method_head_old_name, line))
{
old_name = ReadMethodOldName(line);
//don't include last name
lastIndex = lines.Count - 1;
lines.RemoveAt(lastIndex);
// skip last name
line = Readline(file, ref lines);
}
if (bHasItemHead)
{
// old format
name = ReadMethodName(line);
if (string.IsNullOrEmpty(old_name))
{
old_name = name;
}
}
}
if (line != null)
{
string item_name = "";
if (StartsWith(item_begin, line, out item_name))
{
name = item_name;
if (string.IsNullOrEmpty(old_name))
{
old_name = name;
}
}
//don't include item_begin
lastIndex = lines.Count - 1;
lines.RemoveAt(lastIndex);
MethodContent method = new MethodContent(name, old_name);
method.pre = lines;
// add item_begin
method.Add(line);
line = Readline(file, ref method.codes);
while (!StartsWith(item_end, line))
{
line = Readline(file, ref method.codes);
}
// item_end added
return(method);
}
name = "last_part";
old_name = name;
MethodContent method2 = new MethodContent(name, old_name);
method2.pre = lines;
return(method2);
}
