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diffNEWS.R
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diffNEWS.R
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#.libPaths("~/R/lib2.11")
setwd("~/blosxom")
library(rJava)
library(tools)
jinit <- -1
prettyHTMLdiff <- function(text1, text2) {
if (jinit < 0) jinit <<- .jinit("diff_match_patch.jar")
dmp <- .jnew("diff_match_patch")
diff <- .jcall(dmp, "Ljava/util/LinkedList;", "diff_main", text1, text2)
.jcall(dmp, "V", "diff_cleanupSemantic", diff)
.jcall(dmp, "Ljava/lang/String;", "diff_prettyHtml", diff)
}
# This doesn't work well.
fuzzyMatch <- function(text1, text2, sloppiness=0.5) {
if (jinit < 0) jinit <<- .jinit("diff_match_patch.jar")
dmp <- .jnew("diff_match_patch")
diff <- .jcall(dmp, "I", "match_main", text1, text2, 1L)
diff >= 0
}
htmlescape <- function(s) {
s <- gsub("&", "&", s)
s <- gsub('"', """, s)
s <- gsub("<", "<", s)
gsub(">", ">", s)
}
linkToBugs <- function(text) {
gsub("PR#([[:digit:]]*)", '<a href="https://bugs.r-project.org/bugzilla3/show_bug.cgi?id=\\1">PR#\\1</a>', text)
}
makeHTMLItem <- function() {
lastVersion <- ""
lastSection <- ""
Sections <- character(0)
printtext <- function(item, id) {
if (id[4] != lastVersion) {
if (lastVersion != "") cat("</UL>\n")
lastVersion <<- id[4]
lastSection <<- ""
}
if (id[5] != lastSection) {
if (lastSection != "") cat("</UL>\n")
cat("<H4>", lastVersion, " ", htmlescape(lastSection <<- id[5]), " ", htmlescape(id[2]), "</H4>\n<UL>\n",sep="")
Sections <<- unique(c(Sections, lastSection))
}
item <- gsub("^[[:space:]]*$", "</P>\n<P>", htmlescape(item))
item <- linkToBugs(item)
if ( length(grep("Deleted", id[1])) )
item <- c('<DEL STYLE="background:#FFE6E6;">', item, "</DEL>")
cat(c("<LI><P>", item, "</P></LI>"), sep="\n")
cat("\n")
}
difftext <- function(item1, item2, id, name1, name2) {
id <- c("", id)
if (id[4] != lastVersion) {
if (lastVersion != "") cat("</UL>\n")
lastVersion <<- id[4]
lastSection <<- ""
}
if (id[5] != lastSection) {
if (lastSection != "") cat("</UL>\n")
cat("<H4>", lastVersion, " ", htmlescape(lastSection <<- id[5]), " ", htmlescape(id[2]), "</H4>\n<UL>\n",sep="")
Sections <<- unique(c(Sections, lastSection))
}
item1 <- paste(gsub("^[[:space:]]*$", " DIFFNEWSITEMBREAK ", item1), collapse=" ")
item2 <- paste(gsub("^[[:space:]]*$", " DIFFNEWSITEMBREAK ", item2), collapse=" ")
diff <- prettyHTMLdiff(item1, item2)
diff <- gsub("DIFFNEWSITEMBREAK", "</P>\n<P>", diff)
cat(c("<LI><P>", diff, "</P></LI>"), sep="\n")
}
list(printtext, difftext)
}
stripwhite <- function(x) {
x <- gsub("^[[:space:]]*", "", x)
gsub("[[:space:]]*$", "", x)
}
delblanks <- function(x) {
while (length(x) && x[length(x)] == "") x <- x[-length(x)]
x
}
printTree <- function(tree, id, printitem) {
result <- 0
if (!length(tree)) return(result)
if (is.recursive(tree)) {
if (!length(names <- names(tree)))
names <- 1:length(tree)
for (n in names) result <- result + printTree(tree[[n]], c(id, n), printitem)
} else {
tree <- delblanks(gsub("^[ *]*$", "", tree)) # readNEWS bug
printitem[[1]](tree, id)
result <- 1
}
return(result)
}
lastResult <- c(0, 0)
diffNEWS <- function(x, y, xid=deparse(substitute(x)), yid=deparse(substitute(y)), printitem = makeHItem()) {
result <- c(0, 0)
if (!identical(x, y)) {
if (is.recursive(x) && is.recursive(y)) {
if (!length(ynames <- names(y))) {
if (length(y) && !is.recursive(y[[1]]))
ynames <- sapply(y, function(item) item[1])
else
ynames <- seq_along(y)
names(y) <- ynames
}
if (!length(xnames <- names(x))) {
if (length(x) && !is.recursive(x[[1]])) {
xnames <- sapply(x, function(item) item[1])
# Try for approximate matches to the names in case of spelling corrections.
xmiss <- which(!(xnames %in% ynames))
ymissed <- ynames[!(ynames %in% xnames)]
if (length(xmiss) && length(ymissed)) {
for (i in seq_along(xmiss)) {
if (length(match <- agrep(xnames[xmiss[i]], ymissed, ignore.case=TRUE))
|| length(match <- agrep(xnames[xmiss[i]], ymissed, ignore.case=TRUE, max=0.5))) {
xnames[xmiss[i]] <- ymissed[match[1]]
ymissed <- ymissed[-match[1]]
}
}
}
} else
xnames <- seq_along(x)
names(x) <- xnames
}
if (length(diff <- setdiff(xnames, ynames))) {
result[1] <- result[1] + printTree(x[diff], xid, printitem)
}
if (length(diff <- setdiff(ynames, xnames))) {
result[2] <- result[2] + printTree(y[diff], yid, printitem)
}
for (n in intersect(xnames, ynames)) {
result <- result + diffNEWS(x[[n]], y[[n]], c(xid,n), c(yid, n), printitem)
}
} else {
x <- delblanks(gsub("^[ *]*$", "", x)) # readNEWS bug
y <- delblanks(gsub("^[ *]*$", "", y)) # readNEWS bug
if (!identical( stripwhite(x), stripwhite(y) )) {
result[1] <- result[1] + 1
result[2] <- result[2] + 1
printitem[[2]](x, y, xid[-1], xid[1], yid[1])
}
}
}
lastResult <<- result
invisible(result)
}
Rdtag <- function(x) attr(x, "Rd_tag")
getText <- function(Rd, srcref) {
if (is.character(Rd)) return(Rd)
else {
attr(Rd, "srcref") <- srcref
tools:::.Rd_get_text(Rd)
}
}
addnames <- function(x, tag) {
result <- list()
for (i in seq_along(x)) {
if (identical(Rdtag(x[[i]]), tag)) {
item <- list(x[[i]])
name <- x[[i]][[1]]
name <- getText(name, getSrcref(x[[i]]))
if (tag == "\\section")
name <- sub("^CHANGES IN R VERSION ", "", name)
names(item) <- name
result <- c(result, item)
}
}
result
}
splititems <- function(x) {
savecurrent <- function() {
if (length(this)) {
text <- capture.output(tools::Rd2txt(this, fragment=TRUE))
this <- list(text)
names(this) <- paste(text, collapse="\n")
result <<- c(result, this)
}
this <<- list()
}
result <- list()
this <- NULL
for (i in seq_along(x)) {
if (Rdtag(x[[i]]) == "\\item") {
savecurrent()
} else if (!is.null(this)) {
this <- c(this, list(x[[i]]))
}
}
savecurrent()
result
}
printTreeRd <- function(x, id, printitem, level) {
result <- 0
if (!length(x)) return(result)
if (level < 4) {
names <- names(x)
level <- level + 1
for (n in names) {
xn <- x[[n]]
if (level == 1) {
xn <- addnames(xn[[2]], "\\subsection")
} else if (level == 2) {
xn <- addnames(xn[[2]], "\\itemize")
} else if (level == 3) {
xn <- splititems(xn)
}
result <- result + printTreeRd(xn, c(id, n), printitem, level)
}
} else {
printitem[[1]](x, id)
result <- 1
}
return(result)
}
diffNEWSRd <- function(x, y, xid=deparse(substitute(x)), yid=deparse(substitute(y)), printitem = makeHItem(),
level = 0) {
result <- c(0, 0)
if (!identical(x, y)) {
if (level == 0) {
x <- addnames(x, "\\section")
y <- addnames(y, "\\section")
} else if (level == 1) {
x <- addnames(x[[2]], "\\subsection")
y <- addnames(y[[2]], "\\subsection")
} else if (level == 2) {
x <- addnames(x[[2]], "\\itemize")
y <- addnames(y[[2]], "\\itemize")
} else if (level == 3) {
x <- splititems(x)
y <- splititems(y)
}
if (level < 4) {
ynames <- names(y)
xnames <- names(x)
# Try for approximate matches to the names in case of spelling corrections.
xmiss <- which(!(xnames %in% ynames))
ymissed <- ynames[!(ynames %in% xnames)]
if (length(xmiss) && length(ymissed)) {
for (i in seq_along(xmiss)) {
if (length(match <- agrep(xnames[xmiss[i]], ymissed, ignore.case=TRUE))
|| length(match <- agrep(xnames[xmiss[i]], ymissed, ignore.case=TRUE, max=0.5))) {
xnames[xmiss[i]] <- ymissed[match[1]]
ymissed <- ymissed[-match[1]]
}
}
}
if (length(diff <- setdiff(xnames, ynames))) {
result[1] <- result[1] + printTreeRd(x[diff], xid, printitem, level)
}
if (length(diff <- setdiff(ynames, xnames))) {
result[2] <- result[2] + printTreeRd(y[diff], yid, printitem, level)
}
for (n in intersect(xnames, ynames)) {
result <- result + diffNEWSRd(x[[n]], y[[n]], c(xid,n), c(yid, n), printitem, level=level+1)
}
} else {
if (!identical( x, y )) {
result[1] <- result[1] + 1
result[2] <- result[2] + 1
printitem[[2]](x, y, xid[-1], xid[1], yid[1])
}
}
}
lastResult <<- result
invisible(result)
}
# If both startDate and startRev are given, startDate must be on or before the date of startRev!
dailyDiffNEWS <- function(file, previous, endDate=Sys.Date(), directory = "dailyDiff", label="", prefix="NEWS") {
start <- NULL
startDate <- previous[[1]]
startRev <- previous[[2]]
day <- as.Date(startDate)
endDate <- as.Date(endDate)
useNEWSRd <- grepl("[.]Rd$", file)
repeat {
if (startRev && is.null(start)) {
cmd <- paste("svn up -r", startRev, file)
day <- day - 1
} else if (day < endDate || (day == endDate && endDate < Sys.Date()) )
cmd <- paste("svn up -r\\{", day, "\\} ", file, sep="")
else if (day == Sys.Date())
cmd <- paste("svn up", file)
else
break
cat(cmd, "\n")
svnresult <- system(cmd, intern=TRUE)
cat(svnresult, sep="\n")
flush.console()
svnresult <- strsplit( svnresult[length(svnresult)], " " )
svnrevision <- as.numeric(rev(svnresult[[1]])[1])
if (svnrevision > startRev || is.null(start)) {
if (useNEWSRd)
new <- tools:::prepare_Rd(parse_Rd(file), stages = "install")
else
new <- readNEWS(file, chop="par1")
if (!is.null(start)) {
f <- makeHTMLItem()
if (useNEWSRd)
lines <-try( capture.output(diffNEWSRd(start, new, c("Deleted", label, ""), c("Added", label, ""), f)))
else
lines <- try(capture.output(diffNEWS(start, new, c("Deleted", label), c("Added", label), f)))
if (inherits(lines, "try-error")) {
print(lines)
lines <- NULL
}
if (length(lines)) {
title <- paste(day)
lines <- c(title, lines, "</UL>")
filename <- file.path(directory, paste(prefix, day, ".txt", sep=""))
writeLines(lines, con=filename)
cmd <- paste("touch --date=",day," ",filename, sep="")
system(cmd)
}
}
startRev <- svnrevision
startDate <- day
start <- new
}
day <- day + 1
}
cmd <- paste("chmod 644 ",file.path(directory, "*.txt"))
system(cmd)
invisible(list(startDate, startRev))
}
NEWSdone <- list("2010-06-27", 48298)
NEWS41done <- list("2021-04-19", 80189)
NEWS42done <- list("2022-03-24", 81976)
NEWS43done <- list("2023-03-29", 84112)
NEWS44done <- list("2024-03-26", 86207)
load(file="~/blosxom/start.RData")
# debug(dailyDiffNEWS)
NEWSdone <- dailyDiffNEWS("~/R/R-devel/doc/NEWS.Rd", NEWSdone,
dir="~/blosxom/data/R-devel/NEWS",prefix="n")
NEWS44done <- dailyDiffNEWS("~/R/R-4-4-branch/doc/NEWS.Rd", NEWS44done,
dir="~/blosxom/data/R-4-4-branch/NEWS",prefix="n")
NEWS43done <- dailyDiffNEWS("~/R/R-4-3-branch/doc/NEWS.Rd", NEWS43done,
dir="~/blosxom/data/R-4-3-branch/NEWS",prefix="n")
NEWS42done <- dailyDiffNEWS("~/R/R-4-2-branch/doc/NEWS.Rd", NEWS42done,
dir="~/blosxom/data/R-4-2-branch/NEWS",prefix="n")
NEWS41done <- dailyDiffNEWS("~/R/R-4-1-branch/doc/NEWS.Rd", NEWS41done,
dir="~/blosxom/data/R-4-1-branch/NEWS",prefix="n")
save(NEWSdone,
NEWS41done,
NEWS42done,
NEWS43done,
NEWS44done,
file="~/blosxom/start.RData")