/// <summary>
/// create patch file from a patch file in disk
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public static PatchFile BuildPatchFile(string filename)
{
//create patch command for specific filename
PatchFile patchFile = new PatchFile(filename);
SourceFile sourceFile = new SourceFile(filename, false);
sourceFile.ReadAllLines();
int j = sourceFile.LineCount;
if (j == 0)
{
return(null);
}
//
PatchTask ptask = null;
int i = 0;
string line = sourceFile.GetLine(0);
//first line is original filename
string originalFilename;
if (GetOriginalFilename(line, out originalFilename))
{
//change origial file name for patch file
patchFile.OriginalFileName = originalFilename;
i++; //next line
}
for (; i < j; ++i)
{
line = sourceFile.GetLine(i).TrimStart(); //***
if (line.StartsWith("//###_"))
{
//what is the comamnd
line = line.TrimEnd();
string cmdline;
int taskId;
string additionalInfo;
ParseCommand(line, out cmdline, out taskId, out additionalInfo);
switch (cmdline)
{
case PatchCommand.START:
{
//start new patch task
//read next line for info
i++; //read next line for land mark
string cmd_value = sourceFile.GetLine(i);
//create new task
ptask = new PatchTask(cmd_value, taskId);
ptask.Owner = patchFile;
if (additionalInfo == "-X") //special cmd
{
ptask.PatchStartCmd = additionalInfo;
}
//
patchFile.AddTask(ptask);
}
break;
case PatchCommand.BEGIN:
{
//begin block ***
//create new patch block
ptask = new PatchTask("", taskId); //we will set land mark later
ptask.Owner = patchFile;
ptask.IsPatchBlock = true;
patchFile.AddTask(ptask);
ParseAutoContextPatchBlock(ptask, sourceFile, ref i);
//parse auto context patch block
}
break;
case PatchCommand.APPPEND_START:
{
//start collect append string
//until find append_stop
var collectAppendStBuilder = new StringBuilder();
i++;
string cmd_value = sourceFile.GetLine(i);
line = cmd_value.TrimStart();
//eval
do
{
if (line.StartsWith(PatchCommand.APPPEND_STOP))
{
//stop here
break;
}
else
{
if (line.StartsWith("//###_"))
{
//other command
throw new NotSupportedException();
}
else
{
//collect this line
collectAppendStBuilder.AppendLine(line);
//read next line
i++;
line = sourceFile.GetLine(i).TrimStart();
}
}
} while (true);
//finish command
ptask.Append(collectAppendStBuilder.ToString());
}
break;
case PatchCommand.APPPEND_STOP:
throw new NotSupportedException();
case PatchCommand.FIND_NEXT_LANDMARK:
{
i++;
string cmd_value = sourceFile.GetLine(i);
if (taskId != ptask.TaskId)
{
throw new NotSupportedException();
}
ptask.FindNext(cmd_value);
}
break;
case PatchCommand.FOLLOW_BY:
{
i++;
string cmd_value = sourceFile.GetLine(i);
if (taskId != ptask.TaskId)
{
throw new NotSupportedException();
}
ptask.FollowBy(cmd_value);
}
break;
case PatchCommand.SKIP_UNTIL_AND_ACCEPT:
{
i++;
string cmd_value = sourceFile.GetLine(i);
if (taskId != ptask.TaskId)
{
throw new NotSupportedException();
}
ptask.SkipUntilAndAccept(cmd_value);
}
break;
case PatchCommand.SKIP_UNTIL_PASS:
{
//has 2 parameters
if (additionalInfo == null)
{
throw new NotSupportedException();
}
//
ptask.SkipUntilPass(additionalInfo);
}
break;
default:
throw new NotSupportedException();
}
}
}
if (patchFile.TaskCount > 0)
{
return(patchFile);
}
else
{
return((ptask != null && ptask.CommandCount > 0) ? patchFile : null);
}
}
/// <summary>
/// create patch file from a patch file in disk
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public static PatchFile BuildPatchFile(string filename)
{
//if (filename == "d:\\projects\\CefBridge\\cef3\\cefclient\\browser\\client_handler.cc")
//{
//}
//create patch command for specific filename
PatchFile patchFile = new PatchFile(filename);
SourceFile sourceFile = new SourceFile(filename, false);
sourceFile.ReadAllLines();
int j = sourceFile.LineCount;
PatchTask ptask = null;
int i = 0;
string line = sourceFile.GetLine(0);
//first line is original filename
string originalFilename;
if (GetOriginalFilename(line, out originalFilename))
{
//change origial file name for patch file
patchFile.OriginalFileName = originalFilename;
i++; //next line
}
for (; i < j; ++i)
{
line = sourceFile.GetLine(i).TrimStart();
if (line.StartsWith("//###_"))
{
//what is the comamnd
int pos0 = line.IndexOf(' '); //first (must have
if (pos0 < 0)
{
throw new NotSupportedException("pos 0");
}
else
{
string additionalInfo;
int taskId = GetTaskId(line, pos0 + 1, out additionalInfo);
string cmdline = line.Substring(0, pos0);
switch (cmdline)
{
case PatchCommand.START:
//start new patch task
//read next line for info
{
i++;
string cmd_value = sourceFile.GetLine(i);
//create new task
ptask = new PatchTask(cmd_value, taskId);
patchFile.AddTask(ptask);
}
break;
case PatchCommand.APPPEND_START:
//start collect append string
//until find append_stop
{
var collectAppendStBuilder = new StringBuilder();
i++;
string cmd_value = sourceFile.GetLine(i);
line = cmd_value.TrimStart();
//eval
do
{
if (line.StartsWith(PatchCommand.APPPEND_STOP))
{
//stop here
break;
}
else
{
if (line.StartsWith("//###_"))
{
//other command
throw new NotSupportedException();
}
else
{
//collect this line
collectAppendStBuilder.AppendLine(line);
//read next line
i++;
line = sourceFile.GetLine(i).TrimStart();
}
}
} while (true);
//finish command
ptask.Append(collectAppendStBuilder.ToString());
}
break;
case PatchCommand.APPPEND_STOP:
throw new NotSupportedException();
case PatchCommand.FIND_NEXT_LANDMARK:
{
i++;
string cmd_value = sourceFile.GetLine(i);
if (taskId != ptask.TaskId)
{
throw new NotSupportedException();
}
ptask.FindNext(cmd_value);
}
break;
case PatchCommand.FOLLOW_BY:
{
i++;
string cmd_value = sourceFile.GetLine(i);
if (taskId != ptask.TaskId)
{
throw new NotSupportedException();
}
ptask.FollowBy(cmd_value);
}
break;
case PatchCommand.SKIP_UNTIL_AND_ACCEPT:
{
i++;
string cmd_value = sourceFile.GetLine(i);
if (taskId != ptask.TaskId)
{
throw new NotSupportedException();
}
ptask.SkipUntilAndAccept(cmd_value);
}
break;
case PatchCommand.SKIP_UNTIL_PASS:
{
//has 2 parameters
if (additionalInfo == null)
{
throw new NotSupportedException();
}
//
ptask.SkipUntilPass(additionalInfo);
}
break;
default:
throw new NotSupportedException();
}
}
}
}
return((ptask != null && ptask.CommandCount > 0) ? patchFile : null);
}