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wb_functions.R
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wb_functions.R
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#' Create dataframe from dimensions
#'
#' @param dims Character vector of expected dimension.
#' @param fill If `TRUE`, fills the dataframe with variables
#' @examples
#' dims_to_dataframe("A1:B2")
#' @keywords internal
#' @export
dims_to_dataframe <- function(dims, fill = FALSE) {
if (grepl(";", dims)) {
dims <- unlist(strsplit(dims, ";"))
}
rows_out <- NULL
cols_out <- NULL
for (dim in dims) {
if (!grepl(":", dim)) {
dim <- paste0(dim, ":", dim)
}
if (identical(dim, "Inf:-Inf")) {
# This should probably be fixed elsewhere?
stop("dims are inf:-inf")
} else {
dimensions <- strsplit(dim, ":")[[1]]
rows <- as.numeric(gsub("[[:upper:]]", "", dimensions))
if (all(is.na(rows))) rows <- c(1, 1048576)
rows <- seq.int(rows[1], rows[2])
rows_out <- unique(c(rows_out, rows))
# TODO seq.wb_columns? make a wb_cols vector?
cols <- gsub("[[:digit:]]", "", dimensions)
cols <- int2col(seq.int(col2int(cols[1]), col2int(cols[2])))
cols_out <- unique(c(cols_out, cols))
}
}
# create data frame from rows/
dims_to_df(
rows = rows_out,
cols = cols_out,
fill = fill
)
}
#' Create dimensions from dataframe
#'
#' Use [wb_dims()]
#' @param df dataframe with spreadsheet columns and rows
#' @examples
#' df <- dims_to_dataframe("A1:D5;F1:F6;D8", fill = TRUE)
#' dataframe_to_dims(df)
#' @keywords internal
#' @export
dataframe_to_dims <- function(df) {
# get continuous sequences of columns and rows in df
v <- as.integer(rownames(df))
rows <- split(v, cumsum(diff(c(-Inf, v)) != 1))
v <- col2int(colnames(df))
cols <- split(colnames(df), cumsum(diff(c(-Inf, v)) != 1))
# combine columns and rows to construct dims
out <- NULL
for (col in seq_along(cols)) {
for (row in seq_along(rows)) {
tmp <- paste0(
cols[[col]][[1]], rows[[row]][[1]],
":",
rev(cols[[col]])[[1]], rev(rows[[row]])[[1]]
)
out <- c(out, tmp)
}
}
paste0(out, collapse = ";")
}
#' function to estimate the column type.
#' 0 = character, 1 = numeric, 2 = date.
#' @param tt dataframe produced by wb_to_df()
#'
#' @noRd
guess_col_type <- function(tt) {
# all columns are character
types <- vector("numeric", NCOL(tt))
names(types) <- names(tt)
# but some values are numeric
col_num <- vapply(tt, function(x) all(x == "n", na.rm = TRUE), NA)
types[names(col_num[col_num])] <- 1
# or even date
col_dte <- vapply(tt[!col_num], function(x) all(x == "d", na.rm = TRUE), NA)
types[names(col_dte[col_dte])] <- 2
# or even posix
col_dte <- vapply(tt[!col_num], function(x) all(x == "p", na.rm = TRUE), NA)
types[names(col_dte[col_dte])] <- 3
# there are bools as well
col_log <- vapply(tt[!col_num], function(x) all(x == "b", na.rm = TRUE), NA)
types[names(col_log[col_log])] <- 4
# or even hms
col_dte <- vapply(tt[!col_num], function(x) all(x == "h", na.rm = TRUE), NA)
types[names(col_dte[col_dte])] <- 5
types
}
#' check if numFmt is date. internal function
#' @param numFmt numFmt xml nodes
#' @noRd
numfmt_is_date <- function(numFmt) {
# if numFmt is character(0)
if (length(numFmt) == 0) return(z <- NULL)
numFmt_df <- read_numfmt(read_xml(numFmt))
# we have to drop any square bracket part
numFmt_df$fC <- gsub("\\[[^\\]]*]", "", numFmt_df$formatCode, perl = TRUE)
num_fmts <- c(
"#", as.character(0:9)
)
num_or_fmt <- paste0(num_fmts, collapse = "|")
maybe_num <- grepl(pattern = num_or_fmt, x = numFmt_df$fC)
date_fmts <- c(
"yy", "yyyy",
"m", "mm", "mmm", "mmmm", "mmmmm",
"d", "dd", "ddd", "dddd"
)
date_or_fmt <- paste0(date_fmts, collapse = "|")
maybe_dates <- grepl(pattern = date_or_fmt, x = numFmt_df$fC)
z <- numFmt_df$numFmtId[maybe_dates & !maybe_num]
if (length(z) == 0) z <- NULL
z
}
#' check if numFmt is posix. internal function
#' @param numFmt numFmt xml nodes
#' @noRd
numfmt_is_posix <- function(numFmt) {
# if numFmt is character(0)
if (length(numFmt) == 0) return(z <- NULL)
numFmt_df <- read_numfmt(read_xml(numFmt))
# we have to drop any square bracket part
numFmt_df$fC <- gsub("\\[[^\\]]*]", "", numFmt_df$formatCode, perl = TRUE)
num_fmts <- c(
"#", as.character(0:9)
)
num_or_fmt <- paste0(num_fmts, collapse = "|")
maybe_num <- grepl(pattern = num_or_fmt, x = numFmt_df$fC)
posix_fmts <- c(
# "yy", "yyyy",
# "m", "mm", "mmm", "mmmm", "mmmmm",
# "d", "dd", "ddd", "dddd",
"h", "hh", ":m", ":mm", ":s", ":ss",
"AM", "PM", "A", "P"
)
posix_or_fmt <- paste0(posix_fmts, collapse = "|")
maybe_posix <- grepl(pattern = posix_or_fmt, x = numFmt_df$fC)
z <- numFmt_df$numFmtId[maybe_posix & !maybe_num]
if (length(z) == 0) z <- NULL
z
}
#' check if numFmt is posix. internal function
#' @param numFmt numFmt xml nodes
#' @noRd
numfmt_is_hms <- function(numFmt) {
# if numFmt is character(0)
if (length(numFmt) == 0) return(z <- NULL)
numFmt_df <- read_numfmt(read_xml(numFmt))
# we have to drop any square bracket part
numFmt_df$fC <- gsub("\\[[^\\]]*]", "", numFmt_df$formatCode, perl = TRUE)
num_fmts <- c(
"#", as.character(0:9)
)
num_or_fmt <- paste0(num_fmts, collapse = "|")
maybe_num <- grepl(pattern = num_or_fmt, x = numFmt_df$fC)
hms_fmts <- c(
"?!^yy$", "?!^yyyy$",
"?!^mmm$", "?!^mmmm$", "?!^mmmmm$",
"?!^d$", "?!^dd$", "?!^ddd$", "?!^dddd$",
"h", "hh", ":m", ":mm", ":s", ":ss",
"AM", "PM", "A", "P"
)
hms_or_fmt <- paste0(hms_fmts, collapse = "|")
maybe_hms <- grepl(pattern = hms_or_fmt, x = numFmt_df$fC)
z <- numFmt_df$numFmtId[maybe_hms & !maybe_num]
if (length(z) == 0) z <- NULL
z
}
#' check if style is date. internal function
#'
#' @param cellXfs cellXfs xml nodes
#' @param numfmt_date custom numFmtId dates
#' @noRd
style_is_date <- function(cellXfs, numfmt_date) {
# numfmt_date: some basic date formats and custom formats
date_numfmts <- as.character(14:17)
numfmt_date <- c(numfmt_date, date_numfmts)
cellXfs_df <- read_xf(read_xml(cellXfs))
z <- rownames(cellXfs_df[cellXfs_df$numFmtId %in% numfmt_date, ])
if (length(z) == 0) z <- NA
z
}
#' check if style is posix. internal function
#'
#' @param cellXfs cellXfs xml nodes
#' @param numfmt_date custom numFmtId dates
#' @noRd
style_is_posix <- function(cellXfs, numfmt_date) {
# numfmt_date: some basic date formats and custom formats
date_numfmts <- as.character(22)
numfmt_date <- c(numfmt_date, date_numfmts)
cellXfs_df <- read_xf(read_xml(cellXfs))
z <- rownames(cellXfs_df[cellXfs_df$numFmtId %in% numfmt_date, ])
if (length(z) == 0) z <- NA
z
}
#' check if style is hms. internal function
#'
#' @param cellXfs cellXfs xml nodes
#' @param numfmt_date custom numFmtId dates
#' @noRd
style_is_hms <- function(cellXfs, numfmt_date) {
# numfmt_date: some basic date formats and custom formats
date_numfmts <- as.character(18:21)
numfmt_date <- c(numfmt_date, date_numfmts)
cellXfs_df <- read_xf(read_xml(cellXfs))
z <- rownames(cellXfs_df[cellXfs_df$numFmtId %in% numfmt_date, ])
if (length(z) == 0) z <- NA
z
}
#' Delete data
#'
#' This function is deprecated. Use [wb_clean_sheet()].
#' @param wb workbook
#' @param sheet sheet to clean
#' @param cols numeric column vector
#' @param rows numeric row vector
#' @export
#' @keywords internal
delete_data <- function(wb, sheet, cols, rows) {
.Deprecated(old = "delete_data", new = "wb_clean_sheet", package = "openxlsx2")
sheet_id <- wb_validate_sheet(wb, sheet)
cc <- wb$worksheets[[sheet_id]]$sheet_data$cc
if (is.numeric(cols)) {
sel <- cc$row_r %in% as.character(rows) & cc$c_r %in% int2col(cols)
} else {
sel <- cc$row_r %in% as.character(rows) & cc$c_r %in% cols
}
# clean selected entries of cc
clean <- names(cc)[!names(cc) %in% c("r", "row_r", "c_r")]
cc[sel, clean] <- ""
wb$worksheets[[sheet_id]]$sheet_data$cc <- cc
}