Attribute code borrowed/modified from rlang for use in as_slide_computation

DESCRIPTION

@@ -14,13 +14,17 @@ Authors@R: c(
     person("Quang", "Nguyen", role = "ctb"),
     person("Evan", "Ray", role = "aut"),
     person("Dmitry", "Shemetov", role = "ctb"),
-    person("Ryan", "Tibshirani", , "[email protected]", role = c("aut", "cre"))
+    person("Ryan", "Tibshirani", , "[email protected]", role = c("aut", "cre")),
+    person("Lionel", "Henry", role = "ctb", comment = "Author of included rlang fragments"),
+    person("Hadley", "Wickham", role = "ctb", comment = "Author of included rlang fragments"),
+    person("Posit", role = "cph", comment = "Copyright holder of included rlang fragments")
   )
 Description: This package introduces a common data structure for epidemiological
     data reported by location and time, provides another data structure to
     work with revisions to these data sets over time, and offers associated
     utilities to perform basic signal processing tasks.
 License: MIT + file LICENSE
+Copyright: file inst/COPYRIGHTS
 Imports:
     cli,
     data.table,

R/utils.R

@@ -187,16 +187,57 @@ assert_sufficient_f_args <- function(f, ...) {
 #'  quosure into a function; functions are returned as-is or with light
 #'  modifications to calculate `ref_time_value`.
 #'
-#' This code and documentation borrows heavily from [`rlang::as_function`]
-#' (https://github.com/r-lib/rlang/blob/c55f6027928d3104ed449e591e8a225fcaf55e13/R/fn.R#L343-L427).
-#'
 #' This code extends `rlang::as_function` to create functions that take three
 #' arguments. The arguments can be accessed via the idiomatic `.`, `.x`, and
 #' `.y`, extended to include `.z`; positional references `..1` and `..2`,
 #' extended to include `..3`; and also by `epi[x]_slide`-specific names
 #' `.group_key` and `.ref_time_value`.
 #'
-#' @source https://github.com/r-lib/rlang/blob/c55f6027928d3104ed449e591e8a225fcaf55e13/R/fn.R#L343-L427
+#' @source This code and documentation are based on
+#'  [`as_function`](https://github.com/r-lib/rlang/blob/c55f6027928d3104ed449e591e8a225fcaf55e13/R/fn.R#L343-L427)
+#'  from Hadley Wickham's `rlang` package.
+#'
+#'  Below is the original license for the `rlang` package.
+#'
+#'
+#'  MIT License
+#'
+#'  Copyright (c) 2020 rlang authors
+#'
+#'  Permission is hereby granted, free of charge, to any person obtaining a copy
+#'  of this software and associated documentation files (the "Software"), to deal
+#'  in the Software without restriction, including without limitation the rights
+#'  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#'  copies of the Software, and to permit persons to whom the Software is
+#'  furnished to do so, subject to the following conditions:
+#'
+#'  The above copyright notice and this permission notice shall be included in all
+#'  copies or substantial portions of the Software.
+#'
+#'  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#'  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#'  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#'  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#'  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#'  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+#'  SOFTWARE.
+#'
+#'
+#'  Portions of the original code used in this adaptation:
+#'    1. Much of the documentation and examples
+#'    2. The general flow of the function, including branching conditions
+#'    3. Error conditions and wording
+#'    4. The chunk converting a formula into a function, see
+#'    https://github.com/r-lib/rlang/blob/c55f6027928d3104ed449e591e8a225fcaf55e13/R/fn.R#L411-L418
+#'
+#'  Changes made include:
+#'    1. Updates to documentation due to new functionality
+#'    2. The removal of function-as-string processing logic and helper arg
+#'    `env`
+#'    3. The addition of an output function wrapper that defines a data mask
+#'    for evaluating quosures
+#'    4. Calling an argument-checking function
+#'    5. Replacing rlang error functions with internal error functions
 #'
 #' @param .f A function, one-sided formula, or quosure.
 #'

inst/COPYRIGHTS

@@ -0,0 +1,24 @@
+Posit is the copyright holder for `rlang` fragments included in the
+`as_slide_computation` function and documentation in `utils.R` under the following license:
+
+# MIT License
+
+Copyright (c) 2020 rlang authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.