#!/usr/bin/env zsh
+# zk.zsh -- zettelkästen/wiki/static website helper/generator
+# Copyright (C) 2022 Sergey Matveev <stargrave@stargrave.org>
set -e
cat >&2 <<EOF
Usage:
\$ $0:t links PAGE
- Print the PAGE's links
+ Print PAGE's links
\$ $0:t backs PAGE
- Print who backlinks to the PAGE
+ Print PAGE's backlinks
\$ $0:t htmls DIR
Generate HTMLs in DIR
EOF
[[ $# -eq 2 ]] || usage
-# Collect all pages
setopt GLOB_STAR_SHORT
zmodload -F zsh/stat b:zstat
typeset -A pages
typeset -a cats
for p (**(/)) cats=($p $cats)
-# Determine the links between them
+zmodload zsh/mapfile
typeset -A links
typeset -A backs
+typeset -aU ws
for p (${(k)pages}) {
- for w (`< $p`) {
- [[ $w =~ "\[(.*)\]" ]] || continue
+ ws=()
+ for w (${=mapfile[$p]}) {
+ [[ $w =~ "\[([^] ]+)\]" ]] || continue
w=${match[1]}
[[ ${pages[$w]} ]] || {
- [[ $ZK_SHOW_MISSING ]] && print "Missing $w"
+ [[ $ZK_SHOW_MISSING ]] && print "missing $w"
continue
}
- links[$p]="$w ${links[$p]}"
+ ws=($ws $w)
}
+ [[ $ws ]] && links[$p]=${(j: :)ws}
}
-
-# Deduplicate all references
-for p w (${(kv)links}) {
- local ws=(${(u)=w})
- links[$p]=${(j: :)ws}
- for w ($ws) backs[$w]="$p ${backs[$w]}"
-}
-for p w (${(kv)backs}) {
- local ws=(${(u)=w})
- backs[$p]=${(j: :)ws}
+unset ws
+for p ws (${(kv)links}) {
+ for w (${=ws}) backs[$w]="$p ${backs[$w]}"
}
+for p ws (${(kv)backs}) backs[$p]=${(j: :)${(u)=ws}}
getrel() {
# nearly the copy-paste of Functions/Misc/relative
genHTML() {
local page=$1
local data p
- [[ $# -eq 1 ]] && data=`< $page` || data=$2
- data="${data//&/&}"
- data="${data//</<}"
- data="${data//>/>}"
- for p (${(k)pages}) {
- [[ $p = index ]] && continue
+ [[ $# -eq 1 ]] && data=${mapfile[$page]} || data=$2
+ data=${data//&/&}
+ data=${data//</<}
+ data=${data//>/>}
+ local _links=(${(oi)=links[$page]})
+ for p ($_links) {
getrel $page $p
data="${data//\[${p}\]/<a href=\"${REPLY}.html\">[$p]</a>}"
}
<html><head><title>$page (${pages[$page]})</title></head><body><pre>
$data
</pre>"
+ if [[ $_links ]]; then
+ print "<hr/>Links:<ul>"
+ for p ($_links) {
+ getrel $page $p
+ print "<li><a href=\"${REPLY}.html\">$p</a> <sup>${pages[$p]}</sup></li>"
+ }
+ print "</ul>"
+ fi
local bs=(${(oi)=${backs[$page]}})
if [[ $bs ]]; then
- print "<hr/><ul>"
- for p (${(oi)=${backs[$page]}}) {
+ print "<hr/>
Backlinks:<ul>"
+ for p ($bs) {
getrel $page $p
print "<li><a href=\"${REPLY}.html\">$p</a> <sup>${pages[$p]}</sup></li>"
}
}
zmodload -F zsh/datetime b:strftime
-now=$(strftime "%F %T")
+strftime -s now "%F %T"
genIndex() {
local p
local entries=()
+ local _links=()
typeset -aU cats=()
local curdepth=${#${(s:/:)1}}
(( curdepth = curdepth + 1 ))
for p (${(oi)${(k)pages[(I)$1*]}}) {
[[ $p =~ "/Index$" ]] && continue
case ${#${(As:/:)p}} in
- ($curdepth) entries=($entries "[$p] (${pages[$p]})") ;;
+ ($curdepth) _links=($p $_links) ;;
( $(( $curdepth + 1 )) ) cats=(${1}${${p#$1}%%/*} $cats) ;;
(*) continue ;;
esac
}
+ for p (${(oi)_links}) entries=($entries "[$p] (${pages[$p]})")
if [[ $cats ]]; then
- entries=($entries "------------------------ >8 ------------------------")
- for p (${(oi)cats}) entries=($entries "[$p/Index]")
+ entries=($entries "\nSubdirectories:\n")
+ for p (${(oi)cats}) {
+ entries=($entries "[$p/Index]")
+ _links=($p/Index $_links)
+ }
fi
+ links[${1}Index]=${(j: :)_links}
genHTML ${1}Index ${(F)entries}
}