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.sec_name <- function(x){ # this assumes that x is a section Rd piece.
a <- attr(x, "Rd_tag") #TODO: paste tuk e prapka, dobavi treti element!
if(a != "\\section") a else paste(as.character(x[[1]]), collapse="") # 'as' is to drop attributes
}
.sec_content <- function(x){ # this assumes that x is a section Rd piece.
a <- attr(x, "Rd_tag")
if(a != "\\section") x else x[[2]]
}
.order_sections <- function(rdo){ # todo: take care of empty lines at top level.
old <- Rdo_tags(rdo)
n <- length(rdo)
newpos <- numeric(n)
curpos <- 1
for(i in 1:length(.rd_sections)){
ind <- which(old == .rd_sections[i])
len <- length(ind)
if(len > 0){
newpos[curpos:(curpos+len-1)] <- ind
curpos <- curpos + len
}
}
if(curpos < n){ # note everything in "old" accounted for. Can there be things
# other than newlines?
missedpos <- seq_len(n)[ !(seq_len(n) %in% newpos) ]
# browser() # for testing
newpos[curpos:n] <- missedpos # to make sure that nothing is omitted
}
if(identical(newpos, seq_along(newpos))){
rdo # nothing to reshuffle here
}else{
res <- rdo[newpos]
attributes(res) <- attributes(rdo)
res
}
}
.replace_dummy <- function(rdo, unchanged_titles){
secall <- Rdo_sections(rdo)
for(sec in secall)
if(sec$title %in% unchanged_titles)
rdo[[ sec$pos ]] <- char2Rdpiece("dummy", sub("^\\\\", "", sec$title),
force.sec = TRUE)
rdo
}
.srcrefpos <- function(rdo, rdoorig, pos_list){
secall <- Rdo_sections(rdo)
res <- vector(mode="list", length(pos_list))
ind <- 0
for(sec in secall){
pos <- .tmp_pos(sec$title, pos_list)
if(!is.null(pos)){
ind <- ind + 1
res[[ind]] <- list(attr(rdo[[sec$pos]], "srcref"),
attr(rdoorig[[pos]], "srcref"))
}
}
res
}
.replace_from <- function(rdo, rdoorig, pos_list){
secall <- Rdo_sections(rdo)
for(sec in secall){
pos <- .tmp_pos(sec$title, pos_list)
if(!is.null(pos))
rdo[[sec$pos]] <- rdoorig[[pos]]
}
rdo
}
Rdo_sections <- function(rdo){
res <- Rdo_locate(rdo, function(x) .tag_in(x, .rd_sections), .sec_name,
lists = TRUE, nested = FALSE) # 2012-10-20 new arg. nested used
lapply(res, function(x){ names(x)[names(x) == "value"] <- "title"; x})
}
Rdo_modify_simple <- function(rdo, text, section, ...){
val <- char2Rdpiece(text, section)
Rdo_modify(rdo, val, ...)
}
Rdo_empty_sections <- function(rdo, with_bs = FALSE){ # rdo is Rd object or filename
if(is.character(rdo))
rdo <- permissive_parse_Rd(rdo)
pat <- ".*Dropping empty section[ ]+[\\](.*)$"
wrk <- checkRd(rdo)
ind <- grepl(pat, wrk)
res <- gsub(".*Dropping empty section[ ]+[\\]", "", wrk[ind])
if(with_bs)
res <- sapply(res, function(x) paste("\\",x,sep="")) # prepend backslash
res
}
Rdo_drop_empty <- function(rdo, sec = TRUE){ # todo: drop other empty things?
emptysec <- Rdo_empty_sections(rdo, with_bs = TRUE)
rdotags <- Rdo_tags(rdo)
stopifnot(length(rdotags) == length(rdo)) # paranoic; but tools:::RdTags above is
# non-exported function
res <- rdo[ !(rdotags %in% emptysec) ]
class(res) <- class(rdo)
res
}
# rd is a character vector of filenames
Rdo_replace_section <- function(rdo, val, create = FALSE, replace = TRUE){
Rdo_modify(rdo, val, create=create, replace = replace)
}
Rdo_set_section <- function(text, sec, file, ...){
piece <- char2Rdpiece(text, sec)
rdo <- Rdo_replace_section(permissive_parse_Rd(file), piece, ...)
Rdo2Rdf(rdo, file = file)
}
# todo: this does not consider the possibility for #ifdef
# return the location (full index) of the content of a section. for
# standard sections this is at the top level but for user defined
# sections it is deeper. see also tools:::.Rd_get_section
.locate_sec_content <- function(rdo, sec, onlyone = TRUE){ # 2011-12-12 add 'more' arg.
tags <- Rdo_tags(rdo)
indx_sec <- which(tags == sec) # in case this is a standard section, todo: do it properly!
if(length(indx_sec) > 0){ # standard section
if(length(indx_sec) > 1 && onlyone){
warning("More than one section with this name, using the first one.")
indx_sec <- indx_sec[[1]]
}
res <- indx_sec # for standard sections the content is simply that tagged list.
}else{ # user section; todo: arg. 'onlyone' silently ignored here
indx_sec <- which(tags == "\\section")
if(length(indx_sec) > 0 ){ # wraps in c() here to get rid of attributes;
# note also the two 1's in the index (seems
# that each arg of "\\section" is a list).
methindx <- sapply(indx_sec, function(x) identical(c(rdo[[c(x,1,1)]]), sec) )
indx_sec <- indx_sec[methindx] # take only those that match.
}
if(length(indx_sec) == 0)
res <- NA # stop("No section `??'. Todo: create it instead of throwing an error.")
else{
if(length(indx_sec)>1){
warning("More than 1 sections `Methods' found, using the first one.")
indx_sec <- indx_sec[1]
}
res <- c(indx_sec,2) # for user sections the content is deeper.
}
}
res
}
.rdo_equal_sections <- function(rdo1, rdo2, sections = NULL){ # todo: arg. sections ne se
# izpolzva veche!
wrk1 <- Rdo_remove_srcref(rdo1)
wrk2 <- Rdo_remove_srcref(rdo2)
sec1 <- Rdo_sections(wrk1)
sec2 <- Rdo_sections(wrk2)
nams1 <- sapply(sec1, function(x) x$title)
nams2 <- sapply(sec2, function(x) x$title)
u1nam <- names(which(table(nams1) ==1)) # u1nam <- .without_duplicates(nams1)
u2nam <- names(which(table(nams2) ==1)) # u2nam <- .without_duplicates(nams2)
unam <- intersect(u1nam, u2nam)
i1 <- which(nams1 %in% unam)
# 2012-10-22 dobavyam all.equal, for some reason sometimes
# seeemingly identical things are not "identical",
# e.g. Special.Rd dava takova nesto za details.
# todo: tova e krapka razibirase.
isame <- sapply(i1, function(x){
i2 <- which(nams2 == nams1[x]);
if(length(i2)==1 &&
( identical(wrk1[[sec1[[x ]]$pos]], wrk2[[sec2[[i2]]$pos]]) ||
isTRUE(all.equal(wrk1[[sec1[[x ]]$pos]], wrk2[[sec2[[i2]]$pos]]))
))
i2
else
NA
})
# browser()
isame <- isame[!is.na(isame)]
res <- sec2[isame]
res
}
# tools:::.Rd_get_name
# tools:::.Rd_deparse
#
# . function (x, sec) # get the Rd
# {
# x <- .Rd_get_section(x, "section")
# if (length(x))
# .strip_whitespace(.Rd_deparse(x, tag = FALSE))
# else character()
# }
# list_files_with_exts("./man","Rd")
# list_files_with_type("./man","docs")
# Rdo_replace_section(a, char2Rdpiece("documentation", "keyword"), replace = "Rd")
# files <- list_files_with_exts(dir, "Rd")
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