Have a look at the TextMate manual entry on snippets for an overview of the snippet syntax. Textastic supports tab stops, placeholders, mirrors and transformations.
If this is not what you mean: Can you give me more details? What do these transformations do?
Yes, for code completion, Textastic supports snippets including tab stops, placeholders, mirrors and transformations as described at http://manual.macromates.com/en/snippets
Textastic does support transformations in snippets, but I don't know if that this is what you are referring to.
See https://github.com/blach/Textastic-Customization#templates
If this is not what you mean: Can you give me more details? What do these transformations do?
i mean "transformations" for code compltion, something like this {"string": "scale2", "append": "(${1:0.5}${1/(.+)/(?1:, )/}${2:0.5});"},
Yes, for code completion, Textastic supports snippets including tab stops, placeholders, mirrors and transformations as described at http://manual.macromates.com/en/snippets
This is my testing sample: