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# Update Content And Filenames tool #

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The Update Content And Filenames tool allows you to clone this component to a new implementation.

It does the boring housekeeping to rename the source, change target DLL name,

update the UIDs etc. etc.

It does this by performing recursive search and replace on file names and content.

How to clone this component to a new implementation:

-	Ensure this component builds as is:

        cd group

        sbs -c winscw_udeb

        sbs -c winscw_udeb.test

	If you're feeling conscientious you could test it too :-)

-	Nominate an appropriate name for the new component.

		e.g. Test123

	If there's any chance the new component will end up

	in a deliverable, please choose the name more carefully

	than I just did

-	Copy this folder (the one containing this README file),

	naming the new folder as something appropriate,

	relating to the component name you have chosen

	(and keep it lower case to keep linux builds happy)

		e.g. "Copy Of mbufgobblerlayer" => "test123layer"

-	Ensure the new folder and all its contents are writable.

	(if you got mbufgobblerlayer from a version control system it might be read-only)

Then, in the *new* folder:

-	Modify the file UpdateContentsAndFilenames.ini accordingly,

	to reflect the values required by your new component.

	Obviously you'll need to obtain new UIds rather than just making them up :-)

	 (Ask your architect where new UIds should come from these days)

	The "Search" fields specify the current values which will be replaced.

	The "Replace" fields must be changed from CHANGEME to the desired values.

		e.g. [Name].Replace=CHANGEME => [Name].Replace=Test123

		e.g. [DllUid].Replace=CHANGEME => [DllUid].Replace=01234567

		etc..

-	Ensure Python 2.6.2 or greater is installed. This should come down automatically

  with SymSEE or whatever you used to put together your development environment.

-	Open a command window in the *new* folder, and run:

		updatecontentandfilenames.py

-	Before you make further modifications, ensure the script updated

	everything correctly:

        cd group

        sbs -c winscw_udeb

        sbs -c winscw_udeb.test

	(and run any regression tests over the new copy of the component)

Notes and caveats:

1.

Remember you're taking a copy, so if you're cloning something feature-rich,

please think carefully about whether either..

	- you really do want 2 copies of the same feature code knocking about, which is

	  totally ok if you're just trying something out and/or you want to isolate the new

	  component from changes in the cloned component

.. or ..

	- you should be considering cloning a more basic implementation,

	  then applying techniques such as inheritance to reuse the existing features

So it's more suited for cloning basic ("feature-impoverished?") implementations as a

starting point for developing more functional implementations.

e.g. mbufgobbler Layer	-> some new layer

2.

Correct functioning of the script of course assumes some reasonably pragmatic

correlation between class names, folder names, dll names etc.

It's easy for you to add extra search and replace pairs as needed to address

more complicated renaming tasks. Just add more sections to the

UpdateContentsAndFilenames.ini file. The [Header Names] are not used for anything, they're

just for your reference and should probably be unique across the file.

The really important bit is the Search/Replace pairs.

3.

Each search/replace pair is applied in turn. So don't expect to be able to do anything

sneaky like swapping strings in a single run.

4.

Reusing this script elsewhere should be easy,

because there is no special significance to the .ini file section names-

they are just there to assist the user in populating the fields.

i.e. .ini file sections purely exist to group together each Search/Replace pair.

Just copy the updatecontentandfilenames.* files into the root folder of a new

copy of the component that you want to clone, edit the ini file, and run the python script.

5.

Have fun..