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#' Deprecated synonym for getMatchingTranscriptIds.
#'
#' Gets a list of IDs of graphs (i.e. transcript names) that match a
#' particular pattern.
#'
#' The results can be exhaustive, by omitting pageLength and
#' page.number, or they can be a subset (a 'page') of results, by
#' given pageLength and page.number values.
#'
#' The order of the list can be specified. If ommitted, the graphs
#' are listed in ID order.
#'
#' The expression language is currently not well defined, but is based on JavaScript
#' syntax.
#'
#' \itemize{
#' \item{The \emph{labels} function can be used to represent a list of all the annotation
#' labels on a given layer. For example, each transcript can have multiple
#' participants, so the participant labels (names) are represented by:
#' \emph{labels('participant')}}
#' \item{Use the \emph{includes} function on a list to test whether the list contains a
#' given element. e.g. to match transcripts that include the participant 'Joe' use:
#' \emph{labels('participant').includes('Joe')}}
#' \item{Use the \emph{first} function to identify the first (or the only) annotation on
#' a given layer. e.g. the annotation representing the transcript's corpus is:
#' \emph{first('corpus')}}
#' \item{Single annotations have various attributes, including 'id', 'label', 'ordinal', etc.
#' e.g. the name of the transcript's corpus is:
#' \emph{first('corpus').label}}
#' \item{Regular expressions can be matched by using expressions like
#' '/regex/.test(str)', e.g. to test if the ID starts with 'BR' use:
#' \emph{/^BR.+/.test(id)}
#' or to test if the transcript's corpus includes a B use:
#' \emph{/.*B.*/.test(first('corpus').label)}}
#' }
#'
#' Expressions such as those in the examples can be used.
#'
#' @param labbcat.url URL to the LaBB-CAT instance
#' @param expression An expression that determines which graphs match
#' @param page.length The maximum number of IDs to return, or null to return all
#' @param page.number The zero-based page number to return, or null to return the first page
#' @param order An expression that determines the order the graphs are
#' listed in - if specified, this must include the keyword 'ASC' for ascending or 'DESC'
#' for descending order.
#' @return A list of graph IDs (i.e. transcript names)
#'
#' @examples
#' \dontrun{
#' ## define the LaBB-CAT URL
#' labbcat.url <- "https://labbcat.canterbury.ac.nz/demo/"
#'
#' ## Get all transcripts whose names start with "BR"
#' transcripts <- getMatchingGraphIds(labbcat.url, "/^BR.+/.test(id)")
#'
#' ## Get the first twenty transcripts in the "QB" corpus
#' transcripts <- getMatchingGraphIds(
#' labbcat.url, "first('corpus').label = 'QB'", 20, 0)
#'
#' ## Get the second transcript that has "QB247_Jacqui" as a speaker
#' transcripts <- getMatchingGraphIds(
#' labbcat.url, "labels('participant').includes('QB247_Jacqui')", 1, 1)
#'
#' ## Get all transcripts in the QB corpus whose names start with "BR"
#' ## in word-count order
#' transcripts <- getMatchingGraphIds(
#' labbcat.url, "first('corpus').label = 'QB' && /^BR.+/.test(id)",
#' order="first('transcript_word_count').label ASC")
#' }
#'
#' @keywords graph transcript expression
#'
getMatchingGraphIds <- function(labbcat.url, expression, page.length = NULL, page.number = NULL, order = NULL) {
.Deprecated("getMatchingTranscriptIds")
return(getMatchingTranscriptIds(labbcat.url, expression, page.length, page.number, order))
}
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