R/utils.R

In jtrecenti/crawlr:

#' @export
visualize <- function(r) {
  UseMethod("visualize")
}

visualize.response <- function(r) {
  ct <- r[['headers']][['content-type']]
  if(!grepl('html', ct)) {
    stop('Not a HTML file.')
  }
  if(interactive()) {
    dir <- tempfile()
    dir.create(dir)
    html_file <- file.path(dir, "index.html")
    h <- httr::content(r, 'text')
    enc <- stringi::stri_enc_detect(h)[[1]]$Encoding[1]
    h <- iconv(h, from = 'UTF-8', to = 'ISO-8859-1')
    cat(h, file = html_file)
    rstudioapi::viewer(html_file)
  }
}

#' Pipe operator
#'
#' See \code{\link[magrittr]{\%>\%}} for more details.
#'
#' @name %>%
#' @rdname pipe
#' @keywords internal
#' @export
#' @importFrom magrittr %>%
#' @usage lhs \%>\% rhs
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