Backslash blocks don't work well about vim-operator-surround

[thomasahle]

A workaround appears to be adding an extra surround for searching:

let g:operator#surround#blocks = {
\ '-' : [
\  {'block': ['\langle', '\rangle'], 'motionwise': ['char', 'line', 'block'], 'keys': ['<','>']},
\  {'block': ['\\langle', '\\rangle'], 'motionwise': ['char', 'line', 'block'], 'keys': []},
\ ] }

[rhysd]

Hi.

Strings in block are used as regular expression here. So backslash must be escaped with extra backslash. I think below works.

let g:operator#surround#blocks = {
\ '-' : [
\   {'block': ['\\langle', '\\rangle'], 'motionwise': ['char', 'line', 'block'], 'keys': ['<', '>']},
\ ] }

[rhysd]

['\\langle\>', '\\rangle\>'] may be better as you mentioned.

[thomasahle]

The problem with this one seems to be when inserting the brackets. Here it is not used as a regular expression, but inserted verbatim, right?

[rhysd]

Ah, I understood. That's true. I'll consider how to resolve this issue..

[thomasahle]

I think, if searching could be made non regular expression, that would solve it. Likely it's not really needed if this hasnthasn't been a problem before.

[rhysd]

Exactly the solution resolves this issue. However, it breaks other block definitions which rely on regular expression.
I think it is good to enable to define inserted block text explicitly as below.

let g:operator#surround#blocks = {
\ '-' : [
\   {
\     'block': ['\\langle', '\\rangle'],
\     'block_text': ['\langle', '\rangle'],
\     'motionwise': ['char', 'line', 'block'],
\     'keys': ['<', '>']},
\ ] }

What do you think?

[thomasahle]

That would certainly work :-)
I guess I just can't imagine any cases where you'd want to insert a regular
expression verbatim as a bracket.

On Fri, Oct 9, 2015, 11:03 AM Linda_pp [email protected] wrote:

Exactly the solution resolves this issue. However, it breaks other block
definitions which rely on regular expression.
I think it is good to enable to define inserted block explicitly as below.

let g:operator#surround#blocks = {\ '-' : [\ {\ 'block': ['\langle', '\rangle'],

\ 'block_text': ['\langle', '\rangle'],

\ 'motionwise': ['char', 'line', 'block'],\ 'keys': ['<', '>']},\ ] }

What do you think?

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[rhysd]

e.g. HTML tag