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47 lines
1.3 KiB
R
47 lines
1.3 KiB
R
% Generated by roxygen2: do not edit by hand
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% Please edit documentation in R/utils.R
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\name{parseQueryString}
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\alias{parseQueryString}
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\title{Parse a GET query string from a URL}
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\usage{
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parseQueryString(str, nested = FALSE)
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}
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\arguments{
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\item{str}{The query string. It can have a leading \code{"?"} or not.}
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\item{nested}{Whether to parse the query string of as a nested list when it
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contains pairs of square brackets \code{[]}. For example, the query
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\samp{a[i1][j1]=x&b[i1][j1]=y&b[i2][j1]=z} will be parsed as \code{list(a =
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list(i1 = list(j1 = 'x')), b = list(i1 = list(j1 = 'y'), i2 = list(j1 =
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'z')))} when \code{nested = TRUE}, and \code{list(`a[i1][j1]` = 'x',
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`b[i1][j1]` = 'y', `b[i2][j1]` = 'z')} when \code{nested = FALSE}.}
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}
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\description{
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Returns a named list of key-value pairs.
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}
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\examples{
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parseQueryString("?foo=1&bar=b\%20a\%20r")
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\dontrun{
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# Example of usage within a Shiny app
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function(input, output, session) {
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output$queryText <- renderText({
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query <- parseQueryString(session$clientData$url_search)
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# Ways of accessing the values
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if (as.numeric(query$foo) == 1) {
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# Do something
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}
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if (query[["bar"]] == "targetstring") {
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# Do something else
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}
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# Return a string with key-value pairs
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paste(names(query), query, sep = "=", collapse=", ")
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})
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}
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}
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}
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