443 lines
8.8 KiB
Plaintext
443 lines
8.8 KiB
Plaintext
use math
|
||
use path
|
||
use re
|
||
use str
|
||
|
||
var cmd = $e:qpdf~
|
||
|
||
fn -is-pdf {|f|
|
||
str:has-suffix $f .pdf
|
||
}
|
||
|
||
fn -is-number {|arg|
|
||
re:match '^\d+$' $arg
|
||
}
|
||
|
||
fn -is-rotate {|arg|
|
||
re:match '^(\+|-)(\d+):.*' $arg
|
||
}
|
||
|
||
fn -is-seq {|arg|
|
||
re:match '^\d+(,\d+)*$' $arg
|
||
}
|
||
|
||
fn -must-pdf {|f|
|
||
if (not (-is-pdf $f)) {
|
||
fail $f' n’est pas un fichier PDF'
|
||
}
|
||
}
|
||
|
||
fn -must-not-exist {|f|
|
||
var exist = ?(stat $f 2>&- > /dev/null)
|
||
if (bool $exist) {
|
||
fail $f' existe déjà'
|
||
}
|
||
}
|
||
|
||
fn -must-exist {|f|
|
||
var exist = ?(stat $f 2>&- > /dev/null)
|
||
if (not (bool $exist)) {
|
||
fail $f' n’existe pas'
|
||
}
|
||
}
|
||
|
||
fn -make-tmp {
|
||
mktemp -q /tmp/qpdf_XXXXXXXXXX.pdf
|
||
}
|
||
|
||
fn -make-seq {|seq|
|
||
if (not (-is-seq $seq)) {
|
||
fail $seq': pas une séquence'
|
||
}
|
||
set @seq = (order (str:split , $seq))
|
||
var b = 1
|
||
each {|ei|
|
||
var e = (- $ei 1)
|
||
if (== $b $e) {
|
||
put $b
|
||
set b = $ei
|
||
} elif (< $b $e) {
|
||
put $b'-'$e
|
||
set b = $ei
|
||
}
|
||
} $seq
|
||
put $b'-z'
|
||
}
|
||
|
||
fn -out {|in suffix|
|
||
var out = (str:trim-suffix $in .pdf)
|
||
str:join '' [ $out .pdf ]
|
||
}
|
||
|
||
fn -parse-selection {|in selection|
|
||
if (-is-rotate $selection) {
|
||
var out = (-make-tmp)
|
||
var i = (str:index $selection :)
|
||
var r sel = $selection[..$i] $selection[(+ $i 1)..]
|
||
if (eq sel '') {
|
||
set @sel = $in
|
||
} else {
|
||
set @sel = $in $sel
|
||
}
|
||
$cmd --empty --pages $@sel -- $out
|
||
$cmd $out --replace-input --rotate=$r
|
||
put $out
|
||
} else {
|
||
put $in $selection
|
||
}
|
||
}
|
||
|
||
fn -parse-all {|args|
|
||
var tmpfiles = []
|
||
var selection = []
|
||
var in = $nil
|
||
var miss = $nil
|
||
try {
|
||
each {|e|
|
||
if (-is-pdf $e) {
|
||
-must-exist $e
|
||
if (not-eq $miss $nil) {
|
||
set @selection = $@selection $miss
|
||
set miss = $e
|
||
}
|
||
set in = $e
|
||
} else {
|
||
if (eq $in $nil) {
|
||
fail 'Le pagerange doit être déclaré après un fichier d’entrée'
|
||
}
|
||
var @s = (-parse-selection $in $e)
|
||
if (== (count $s) 1) {
|
||
set @tmpfiles = $@tmpfiles $@s
|
||
}
|
||
set @selection = $@selection $@s
|
||
}
|
||
} $args
|
||
} finally {
|
||
put $selection $tmpfiles
|
||
}
|
||
}
|
||
|
||
fn -merge {|&collate=$nil selection out|
|
||
if (< (count $selection) 1) {
|
||
fail 'Aucune sélection'
|
||
}
|
||
var @args = --empty --pages $@selection -- $out
|
||
if (not-eq $collate $nil) {
|
||
if (-is-number $collate) {
|
||
set @args = $collate $@args
|
||
}
|
||
set @args = --collate $@args
|
||
}
|
||
$cmd $@args
|
||
}
|
||
|
||
fn merge {|@args|
|
||
var l = (- (count $args) 1)
|
||
if (< $l 1) {
|
||
fail "la commande doit contenir au moins 2 paramètres"
|
||
}
|
||
var out = $args[$l]
|
||
-must-pdf $out
|
||
-must-not-exist $out
|
||
|
||
var sel tmp = [] []
|
||
try {
|
||
set sel tmp = (-parse-all $args[..$l])
|
||
-merge $sel $out
|
||
} finally {
|
||
if (> (count $tmp) 0) {
|
||
rm -f $@tmp
|
||
}
|
||
}
|
||
}
|
||
|
||
fn split {|@args|
|
||
var l = (- (count $args) 1)
|
||
if (< $l 1) {
|
||
fail "la commande doit contenir au moins 2 paramètres"
|
||
}
|
||
var out = $args[$l]
|
||
-must-pdf $out
|
||
-must-not-exist $out
|
||
set args = $args[..$l]
|
||
|
||
var size = $nil
|
||
if (-is-number $args[0]) {
|
||
set size @args = @args
|
||
}
|
||
|
||
var sel tmp = [] []
|
||
try {
|
||
set sel tmp = (-parse-all $args[..$l])
|
||
var t = (-make-tmp)
|
||
-merge $sel $t
|
||
set @tmp = $@tmp $t
|
||
var @ac = --split-pages
|
||
if (not-eq $size $nil) {
|
||
set @ac = $@ac $size
|
||
}
|
||
set @ac = $@ac $t $out/%d.pdf
|
||
mkdir $out
|
||
$cmd $@ac
|
||
} finally {
|
||
if (> (count $tmp) 0) {
|
||
rm -f $@tmp
|
||
}
|
||
}
|
||
}
|
||
|
||
fn split-at {|@args|
|
||
var l = (- (count $args) 1)
|
||
if (< $l 2) {
|
||
fail "la commande doit contenir au moins 3 paramètres"
|
||
}
|
||
var out = $args[$l]
|
||
-must-pdf $out
|
||
-must-not-exist $out
|
||
var @seq = (-make-seq $args[0])
|
||
set args = $args[1..$l]
|
||
|
||
var sel tmp = [] []
|
||
try {
|
||
set sel tmp = (-parse-all $args[..$l])
|
||
var t = (-make-tmp)
|
||
-merge $sel $t
|
||
set @tmp = $@tmp $t
|
||
var i = 1
|
||
each {|s|
|
||
$cmd --empty --pages $t $s -- $out/$i.pdf
|
||
set i = (+ $i 1)
|
||
} $seq
|
||
} finally {
|
||
if (> (count $tmp) 0) {
|
||
rm -f $@tmp
|
||
}
|
||
}
|
||
}
|
||
|
||
fn zip {|@args|
|
||
var l = (- (count $args) 1)
|
||
if (< $l 1) {
|
||
fail "la commande doit contenir au moins 2 paramètres"
|
||
}
|
||
var out = $args[$l]
|
||
var col = $true
|
||
-must-pdf $out
|
||
-must-not-exist $out
|
||
set args = $args[..$l]
|
||
|
||
if (-is-number $args[0]) {
|
||
set col @args = $@args
|
||
}
|
||
|
||
var sel tmp = [] []
|
||
try {
|
||
set sel tmp = (-parse-all $args)
|
||
-merge &collate=$col $sel $out
|
||
} finally {
|
||
if (> (count $tmp) 0) {
|
||
rm -f $@tmp
|
||
}
|
||
}
|
||
}
|
||
|
||
fn unzip {|@args|
|
||
var l = (- (count $args) 1)
|
||
if (< $l 2) {
|
||
fail 'unzip doit contenir au moins 3 paramètres'
|
||
}
|
||
var mod = $args[0]
|
||
var out = $args[$l]
|
||
-must-not-exist $out
|
||
|
||
var sel tmp = [] []
|
||
try {
|
||
set sel tmp = (-parse-all $args[1..$l])
|
||
var t = (-make-tmp)
|
||
-merge $sel $t
|
||
set @tmp = $@tmp $t
|
||
var @sels = (range $mod | put [])
|
||
var end = ($cmd --show-npages $t)
|
||
range $end | each {|i|
|
||
var m = (% $i $mod)
|
||
set sel[$m] = (+ $i 1)
|
||
}
|
||
mkdir $out
|
||
range $mod | each {|i|
|
||
var @pr = (str:join ',' $@sels[$i])
|
||
$cmd --empty --pages $t $@pr -- $out'/'(+ $i 1)'.pdf'
|
||
}
|
||
} finally {
|
||
if (> (count $tmp) 0) {
|
||
rm -f $@tmp
|
||
}
|
||
}
|
||
}
|
||
|
||
fn decrypt {|@args|
|
||
var l = (count $args)
|
||
if (or (< $l 1) (> $l 3)) {
|
||
fail "decrypt doit contenir entre 1 et 3 paramètres"
|
||
}
|
||
var in = $args[0]
|
||
-must-pdf $in
|
||
-must-exist $in
|
||
var out = (-out $in _decrypted.pdf)
|
||
var p = $nil
|
||
if (> $l 1) {
|
||
set p = $args[1]
|
||
if (== $l 3) {
|
||
set out = $args[2]
|
||
-must-pdf $out
|
||
}
|
||
}
|
||
-must-not-exist $out
|
||
if (eq $p $nil) {
|
||
$cmd $in $out --decrypt
|
||
} else {
|
||
$cmd $in $out --decrypt $p
|
||
}
|
||
}
|
||
|
||
fn help {|@args|
|
||
cat $E:HOME/.config/elvish/aliases/qpdf.help
|
||
}
|
||
|
||
fn -date {|raw|
|
||
var y m d = $raw[2..6] $raw[6..8] $raw[8..10]
|
||
var h n s = $raw[10..12] $raw[12..14] $raw[14..16]
|
||
var tz @_ = (str:split "'" $raw[16..])
|
||
var date = (printf ^
|
||
'%s-%s-%sT%s:%s:%s%s' ^
|
||
$y $m $d ^
|
||
$h $n $s ^
|
||
$tz)
|
||
date --date $date
|
||
}
|
||
|
||
fn -pts2cm {|v|
|
||
/ (math:round (* $v 3.52778)) 100
|
||
}
|
||
|
||
fn -size {|size|
|
||
var u = 0
|
||
var m = [
|
||
&10=Kio
|
||
&20=Mio
|
||
&30=Gio
|
||
]
|
||
while (< $u 30) {
|
||
var p = (math:pow 2 (+ $u 10))
|
||
if (< $size $p) {
|
||
break
|
||
}
|
||
set u = (to-string (+ $u 10))
|
||
}
|
||
if (== $u 0) {
|
||
put $size
|
||
} else {
|
||
var p = (math:pow 2 (+ $u 10))
|
||
var e = (/ $size $p)
|
||
printf '%.1f%s' $e $m[$u]
|
||
}
|
||
}
|
||
|
||
fn -b2str {|b|
|
||
if $b {
|
||
put 'Oui'
|
||
} else {
|
||
put 'Non'
|
||
}
|
||
}
|
||
|
||
fn -props {|input json|
|
||
var objects = $json[objects]
|
||
var trailer = $objects[trailer]
|
||
var iid = $trailer[/Info]
|
||
var rid = $trailer[/Root]
|
||
var info = $objects[$iid]
|
||
var root = $objects[$rid]
|
||
var pages = $objects[$root[/Pages]]
|
||
var p1 = $objects[$pages[/Kids][0]][/MediaBox]
|
||
|
||
var w = (-pts2cm $p1[2])
|
||
var h = (-pts2cm $p1[3])
|
||
var layout = 'Portrait'
|
||
if (> $w $h) {
|
||
set layout = 'Paysage'
|
||
}
|
||
|
||
var props = [
|
||
&path=(path:abs $input)
|
||
&fsize=(-size (stat -c '%s' $input))
|
||
&version=''
|
||
&psize=(printf '%sx%s cm (%s)' $w $h $layout)
|
||
&pages=$pages[/Count]
|
||
&title=''
|
||
&subject=''
|
||
&author=''
|
||
&producer=$info[/Producer]
|
||
&creator=$info[/Creator]
|
||
&cdate=(-date $info[/CreationDate])
|
||
&mdate=''
|
||
&acroform=(-b2str $json[acroform][hasacroform])
|
||
&encrypted=(-b2str $json[encrypt][encrypted])
|
||
]
|
||
|
||
#@TODO: version pdf
|
||
if (has-key $info '/Title') {
|
||
set props[title] = $info[/Title]
|
||
}
|
||
if (has-key $info '/Subject') {
|
||
set props[subject] = $info[/Subject]
|
||
}
|
||
if (has-key $info '/Author') {
|
||
set props[author] = $info[/Author]
|
||
}
|
||
if (has-key $info '/ModDate') {
|
||
set props[mdate] = (-date $info[/ModDate])
|
||
}
|
||
|
||
put $props
|
||
}
|
||
|
||
fn info {|@args|
|
||
var input = $args[0]
|
||
var json = ($cmd --json $input | from-json)
|
||
var props = (-props $input $json)
|
||
|
||
echo ' Chemin: '$props[path]
|
||
echo ' Taille: '$props[fsize]
|
||
echo ' Version PDF: '$props[version]
|
||
echo ' Taille des pages: '$props[psize]
|
||
echo ' Nombre de pages: '$props[pages]
|
||
echo '............................................'
|
||
echo ' Titre: '$props[title]
|
||
echo ' Sujet: '$props[subject]
|
||
echo ' Auteur: '$props[author]
|
||
echo ' Créateur: '$props[creator]
|
||
echo ' Producteur: '$props[producer]
|
||
echo ' Date de création: '$props[cdate]
|
||
echo ' Date de modification: '$props[mdate]
|
||
echo '............................................'
|
||
echo ' Chiffré: '$props[encrypted]
|
||
echo ' Acroform: '$props[acroform]
|
||
}
|
||
|
||
edit:add-var epdf~ {|action @args|
|
||
var actions = [
|
||
&merge=$merge~
|
||
&split=$split~
|
||
&split-at=$split-at~
|
||
&zip=$zip~
|
||
&unzip=$unzip~
|
||
&decrypt=$decrypt~
|
||
&help=$help~
|
||
&info=$info~
|
||
]
|
||
if (not (has-key $actions $action)) {
|
||
fail $action': action inconnue'
|
||
}
|
||
$actions[$action] $@args
|
||
}
|