wrapping usage

[schloerke]

Hello,

I ran into a case where the usage section does not wrap when an argument is defaulted to "\"'".

I've included a gist that shows this issue: https://gist.github.com/schloerke/ed2fc2947e97480b4946

Thanks,
Barret

[hadley]

Test case if I try again in the future.

test_that("breaking works after escapes (#265)", {

  out <- roc_proc_text(rd_roclet(), "
    #' Long args
    f <- function(
      xxxxxxxxxxxxxxxxxx1,
      xxxxxxxxxxxxxxxxxx2,
      xxxxxxxxxxxxxxxxxx3,
      x = \"\\\"'\",
      xxxxxxxxxxxxxxxxxx4,
      xxxxxxxxxxxxxxxxxx5,
      xxxxxxxxxxxxxxxxxx6,
      xxxxxxxxxxxxxxxxxx7
  ){}")[[1]]
  usage <- format(get_tag(out, "usage"))
  expect_equal(str_count(usage, "\n"), 5)
})

[hadley]

This seems ok to me now:

x <- "xxxxxxxxxxxxxxxxxx1,\nxxxxxxxxxxxxxxxxxx2,\nxxxxxxxxxxxxxxxxxx3,\nx = \"\\\"'\",\nxxxxxxxxxxxxxxxxxx4,\nxxxxxxxxxxxxxxxxxx5,\nxxxxxxxxxxxxxxxxxx6,\nxxxxxxxxxxxxxxxxxx7"
width <- function(x) nchar(strsplit(x, "\n")[[1]])
width(wrapString(x))
#> [1] 73 64 21

[hadley]

Ooops, no it's not:

out <- roc_proc_text(rd_roclet(), "\n  #' Long args\n    f <- function(\n    xxxxxxxxxxxxxxxxxx1,\n    xxxxxxxxxxxxxxxxxx2,\n    xxxxxxxxxxxxxxxxxx3,\n    x = \"\\\"'\",\n    xxxxxxxxxxxxxxxxxx4,\n    xxxxxxxxxxxxxxxxxx5,\n    xxxxxxxxxxxxxxxxxx6,\n    xxxxxxxxxxxxxxxxxx7\n    ){}")[[1]]
usage <- format(get_tag(out, "usage"))
cat(usage)
#> \usage{
#> f(xxxxxxxxxxxxxxxxxx1, xxxxxxxxxxxxxxxxxx2, xxxxxxxxxxxxxxxxxx3,
#>   x = "\\"'", xxxxxxxxxxxxxxxxxx4, xxxxxxxxxxxxxxxxxx5, xxxxxxxxxxxxxxxxxx6, xxxxxxxxxxxxxxxxxx7)
#> }