/usr/share/ess/etc/other/S-spread/sprd-emc.s is in ess 5.14-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 | #-*-Fundamental-*-
col.spacing <- function(x)
{
rn.w <- if (length(dimnames(x)[[1]]) > 0) max(nchar(dimnames(x)[[1]]))
else nchar(as.character(nrow(x)))+3
col.w <- apply(x, 2, function(x) nchar(format(x))[1])
dn.w <- if (length(dimnames(x)[[2]]) > 0) nchar(dimnames(x)[[2]])
else nchar(as.character(ncol(x)))+3
col.w <- ifelse( col.w > dn.w , col.w, dn.w)
cumsum(c(rn.w,col.w)+1)
}
emacs.expr <- function(x, i, j=i[2], result.type)
# 1. emacs.rc
# 2. emacs.macro
# 3. emacs.macro.text(deparse.result=T) #default for index.value
# 4. emacs.macro.text(deparse.result=F)
# 1. assign expression to cell or to macro
# 2. evaluate macro expression
# 3. retrieve macro expression
# 4. construct control.text() expression from macro name
# 5. construct print.text() expression from macro name
{
# i and j are integer scalars
if (missing(j)) {j <- i[2] ; i <- i[1]}
if ((.Active == .Active.buffer) && (length(dim(x)) > 2))
stop("Must use rectangular slice, not 3d buffer")
if (i <= nrow(x) && result.type==1)
return(expr.rc(x, c(i, j)))
if (!inherits(x, "spread")) stop("Not a spread.frame")
mm <- (nrow(x)+1):(nrow(x)+2+length(macro(x)))
bb <- mm[length(mm)]+(1:(2+length(before(x))))
aa <- bb[length(bb)]+(1:(2+length(after(x))))
find.expr <- function(type.x, kk, type, result.type)
{
if (kk>0) {
iv <- index.value(names(type.x), kk,
!((result.type == 4) || (result.type == 5)))
switch(result.type,
paste(type, "(x)[", iv, "] <- expression(",
expr.value(type.x[kk],1), ")"),
paste("x <- eval.spread(x, ", type, "(x)[", iv, "] )" ),
deparse(eval(parse(text=paste(type, "(x)[", iv, "]")))[[1]]),
paste(iv, "<- control.text(", iv, ")"),
paste(iv, "<- print.text(", iv, ")")
)
}
else if (result.type==1) paste(type, "(x)[\"\"] <- expression()")
else NULL
}
k <- match(i, mm, 0)
if (k) return(find.expr(macro(x), k-2, "macro", result.type))
k <- match(i, bb, 0)
if (k) return(find.expr(before(x), k-2, "before", result.type))
k <- match(i, aa, 0)
if (k) return(find.expr(after(x), k-2, "after", result.type))
}
cell.rc.emacs <- function(x, e.r, e.c)
{
x.r <- ifelse(e.c == 0, e.r, e.r-1)
x.c <- sum(e.c >= col.spacing(x))
c(row=x.r, col=x.c)
}
print.update.emacs <- function(x, ...,
file=paste(.spread.directory, .Active.buffer, sep="/"))
{
sink(file)
print(x, ...)
xs <- get(.Active)
if (inherits(xs, "spread"))
{
print.spread.macro(xs, macro)
print.spread.macro(xs, before)
print.spread.macro(xs, after)
}
sink()
invisible(x)
}
print.spread.macro <- function(x, macro)
{
cat("\n**", as.character(substitute(macro)), "**\n", sep="")
ne <- names(macro(x))
if (length(ne))
for (i in 1:length(ne))
cat(index.value(ne,i,F),"\n")
}
as.two.way.array <- function(x, subs=parse(text=.Active.buffer)[[1]][-(1:2)])
{
if (length(dim(x))==2) return(x)
# This is designed for 3 way arrays with
# two missing and one specified dimension.
# If the drop parameter exists, it is over-ridden.
subs$drop <- NULL
which.subs <- (sapply(subs,length)==0)
dnx <- dimnames(x)[which.subs]
dimnames(x) <- NULL
dim(x) <- dim(x)[which.subs]
dimnames(x) <- dnx
x
}
fg <- function( sprdname=.Active )
# sprdname = character name, possibly subscripted
{
if (is.na(match(sprdname, names(macro(.Registry))))) {
macro(.Registry)[sprdname] <- sprdname
assign(".Registry", .Registry, where=1 )
}
assign(".Active.buffer", sprdname, frame=0 )
assign(".Active", find.names(sprdname), frame=0 )
assign("x", eval(parse(text=.Active)), where=1 )
assign("x.buffer", where=1,
if (.Active.buffer==.Active) x
else as.two.way.array(eval(parse(text=.Active.buffer))))
invisible(sprdname)
}
control.emacs <- function(x)
{
#this is a fake function
#emacs does the work
# control.emacs never gets called when emacs is in control.
# RET in spread window puts old command in minibuffer:
# emacs sends
# emacs.cell('spreadname', e.r, e.c, result.type)
# emacs reads the file written by the above and
# asks the user to revise it in the minibuffer.
# RET in minibuffer puts revised command in S buffer,
# and causes the revised command to be executed, updating the spreadsheet.
# emacs issues
# invisible(assign(.Active, x))
# to place the object in x into the object named in .Active
# emacs issues
# print.find.emacs('spreadname', update.Registry=F)
# to update all buffers showing views of the object named in .Active
# When S gets control back, the command has been executed and the
# spreadsheet has been updated
}
#emacs usage
#load-file S-spread.el
#In the *S* buffer, type ^Cr to place a spread.frame or 2-way or 3-way array
# into a spread.frame buffer.
#In the spread.frame buffer, type RET to update a cell.
#In the minibuffer, revise the cell and type RET to update the object and
# the display.
#If there is a timing problem and the display is not updated,
# then type ^Cv in the spread buffer.
find.sprds <- function(sprdname, reg.names=names(macro(.Registry)))
{
reg.names[find.names(reg.names) == find.names(sprdname)]
}
find.names <- function(reg.names)
{
prn <- parse(text=reg.names)
for (i in 1:length(prn))
if (mode(prn[[i]]) != "name") reg.names[i] <- prn[[i]][[2]]
reg.names
}
print.sprds.emacs <- function(sprdname)
{
fssn <- find.sprds(sprdname)
fssn2 <- fssn
for(i in fssn2) {
fg(i)
print.update.emacs(x.buffer)
}
cat(paste(fssn, collapse="\n"), "\n", sep="", file=.spread.command.file)
invisible(fg(sprdname))
}
print.update.emacs.3d <- function(object)
{
object.name <- as.character(substitute(object))
dobject <- dim(object)
if (length(dobject) != 3) stop("3-way array required")
fg(object.name)
n3 <- dimnames(object)[[3]]
if (is.null(n3)) n3 <- seq(length=dobject[3])
else n3 <- paste("\"", n3, "\"", sep="")
for (i in n3) {
fg(paste( object.name, "[,,", i, "]", sep="" ))
print.update.emacs(x.buffer)
}
invisible(object)
}
emacs.start <- function(spread.directory)
{
assign('.spread.directory', spread.directory, frame=0)
if (!exists('.Registry', 1))
assign(".Registry", where=1, as.spread(matrix(".Registry")))
assign(".spread.command.file", frame=0,
paste(spread.directory, "*command*", sep="/"))
fg(".Registry")
print.update.emacs(.Registry)
invisible(".Registry")
}
print.find.emacs <- function(spread=.Active, update.Registry=T)
{
fg(spread)
if (update.Registry) {
fg(".Registry")
print.update.emacs(.Registry)
fg(spread)
}
print.sprds.emacs(spread)
invisible(spread)
}
emacs.cell <- function(spread, e.r, e.c, result.type)
{
fg(spread)
cell.rc <- cell.rc.emacs(x.buffer, e.r, e.c)
.Options$width <- 1000
if (result.type==1 && cell.rc[1] <= nrow(x.buffer)) {
cell.rc <- cell.sub.emacs(x, cell.rc)
cell.expr <- expr.rc(x, cell.rc)
}
else
cell.expr <- emacs.expr(x, cell.rc, result.type=result.type)
cat(cell.expr, '\n', sep='', file=.spread.command.file)
}
cell.sub.emacs <- function(x, i, j=i[2])
{
# i and j are integer scalars
if (missing(j)) {j <- i[2] ; i <- i[1]}
if (i==0 && j==0) stop("non-zero row or column required")
if ((length(dim(x)) == 2)) {
acpab <- c("","")
positions <- 1:2
}
else if (.Active == .Active.buffer)
stop("Must use rectangular slice, not 3d buffer")
else {
pab <- parse(text=.Active.buffer)
acpab <- as.character( pab[[1]][-(1:2)] )
positions <- (1:length(acpab))[sapply(acpab, nchar) == 0]
}
di <- index.value(dimnames(x)[[positions[1]]], i)
dj <- index.value(dimnames(x)[[positions[2]]], j)
acpab[positions[1]] <- di
acpab[positions[2]] <- dj
acpab
}
|