1 files changed, 152 insertions, 0 deletions
diff --git a/bin/corehandlers.rc b/bin/corehandlers.rc
new file mode 100755
index 0000000..294b1a7
--- /dev/null
+++ b/bin/corehandlers.rc
@@ -0,0 +1,152 @@
+# Werc builtin handlers
+
+fn nav_tree {
+    if(! ~ $#sideBarNavTitle 0)
+        echo '<p class="sideBarTitle">'$"sideBarNavTitle':</p>'
+    # Ignore stderr, last path element might be a file that doesn't exist (eg., foo for foo.md)
+    # /./ to deal with p9p's ls failure to follow dir symlinks otherwise
+    ls -F $sitedir/./$req_paths_list >[2]/dev/null \
+        | { 
+            sed $dirfilter'/\/[^_.\/][^\/]*(\.(md|txt|html)|\/)$/!d; s!^'$sitedir'!!; '$dirclean 
+            if(! ~ $#synth_paths 0) echo $synth_paths | tr ' ' $NEW_LINE 
+        } | sort -u | awk -F/ ' 
+    function p(x, y, s) { for(i=0; i < x-y; i+=1) print s }
+    BEGIN { lNF=2; print "<ul>" }
+    { 
+        d = ""
+        if(match($0, "/$"))
+            d = "/"
+        sub("/$", "") # Strip trailing / for dirs so NF is consistent 
+
+        p(NF, lNF, "<li><ul>")
+        p(lNF, NF, "</ul></li>")
+        lNF = NF
+
+        bname = $NF d
+        path = $0 d
+        gsub(/[\-_]/, " ", bname)
+
+        # To avoid false matches add trailing / even for plain files to act as delimiter
+        pa = path
+        gsub(/[^\/]$/, "&/", pa) 
+
+        if(index(ENVIRON["req_path"] "/", pa) == 1)
+            print "<li><a href=\"" path "\" class=\"thisPage\">&raquo;<i> " bname "</i></a></li>"
+        else 
+            print "<li><a href=\"" path "\">&rsaquo; " bname "</a></li>"
+    }
+    END { p(lNF, 2, "</ul></li>"); print "</ul>" }'
+}
+
+fn link_bar {
+    if(~ $1 -t) {
+        echo '<p class="sideBarTitle">'$2'</p>'
+        shift; shift
+    }
+    echo '<ul>'
+    while(! ~ $#* 0) {
+        echo '<li><a href="'$2'">- '$1'</a></li>'
+        shift; shift
+    }
+    echo '</ul>'
+}
+
+fn md_handler { $formatter $1 }
+
+fn tpl_handler { template $* }
+
+fn html_handler {
+    # body states: 0 = no <body> found, 2 = after <body>, 1 = after <body></body>, -1 = after </body>
+    awk 'gsub(".*<[Bb][Oo][Dd][Yy][^>]*>", "") > 0 {body=2}
+        gsub("</ *[Bb][Oo][Dd][Yy][^>]*>.*", "") > 0 {print; body=body-1}
+        body==2 {print}
+        body==0 {buf=buf "\n" $0}
+        END {if(body<=0) {print buf}}' < $1
+}
+
+fn txt_handler {
+    # Note: Words are not broken, even if they are way beyond 82 chars long
+    echo '<pre>'
+    sed 's/</\&lt;/g; s/>/\&gt;/g' < $1 | fmt -l 82 -j
+    echo '</pre>'
+}
+
+fn dir_listing_handler {
+    d=`{basename -d $1}
+    if(~ $#d 0)
+        d='/'
+    echo $d|sed 's,.*//,,g; s,/$,,; s,/, / ,g; s,.*,<h1 class="dir-list-head">&</h1> <ul class="dir-list">,'
+    # Symlinks suck: '/.' forces ls to list the linked dir if $d is a symlink.
+    ls -F $dir_listing_ls_opts $sitedir$d/. | sed $dirfilter$dirclean' s,.*/([^/]+/?)$,<li><a href="\1">\1</a></li>,'
+    echo '</ul>'
+}
+
+fn notices_handler {
+    for(type in notify_errors notify_notes notify_success)
+        for(n in $$type)
+            echo '<div class="'$type'"><b>'$"n'</b></div>'
+}
+
+fn setup_handlers {
+
+    if(test -f $local_path.md) {
+        local_file=$local_path.md
+        handler_body_main=(md_handler $local_file)
+    }
+    if not if(test -f $local_path.tpl) {
+        local_file=$local_path.tpl
+        handler_body_main=(tpl_handler $local_file)
+    }
+    if not if(test -f $local_path.html) {
+        local_file=$local_path.html
+        handler_body_main=(html_handler $local_file)
+    }
+    # Global tpl (eg sitemap.tpl), should take precedence over txt handler!
+    if not if(test -f tpl^$req_path^.tpl)
+        # XXX Should we set $local_file for global .tpls?
+        handler_body_main=(tpl_handler tpl^$req_path^.tpl)
+    if not if(test -f $local_path.txt) {
+        local_file=$local_path.txt
+        handler_body_main=(txt_handler $local_file)
+    }
+
+    # XXX Should check that $enabled_apps exist in $werc_apps?
+    # XXX Should split init of apps that provide main handler (eg., blog) and apps that don't (eg., comments)?
+    if(! ~ $#enabled_apps 0)
+        for(a in $enabled_apps)
+            $a^'_init'
+
+    if(! ~ $#handler_body_main 0)
+        { } # We are done
+    # Dir listing
+    if not if(~ $local_path */index) {
+        handler_body_main=(dir_listing_handler $req_path)
+        if(test -f $sitedir$req_path'_header.md')
+            ll_add handlers_body_head md_handler $sitedir$req_path'_header.md'            
+        if(test -f $sitedir$req_path'_footer.md')
+            ll_add handlers_body_foot md_handler $sitedir$req_path'_footer.md'            
+    }
+    # Canonize explicit .html urls, the web server might handle this first!
+    if not if(~ $local_path *.html && test -f $local_path)
+        perm_redirect `{ echo $req_path|sed 's/.html$//' }
+    # Fallback static file handler
+    if not if(test -f $local_path)
+        static_file $local_path
+    if not if(~ $req_path /pub/* && test -f .$req_path)
+        static_file .$req_path
+    # File not found
+    if not
+        setup_404_handler
+}
+
+# This function allows config files to define their own 404 handlers.
+fn setup_404_handler {
+    handler_body_main=(tpl_handler `{get_lib_file 404.tpl})
+    echo 'Status: 404 Not Found'
+    dprint 'NOT FOUND: '$SERVER_NAME^$"REQUEST_URI^' - '^$"HTTP_REFERER^' - '^$"HTTP_USER_AGENT
+}
+
+fn run_handlers { for(h in $*) run_handler $$h }
+fn run_handler { $*(1) $*(2-) }
+
+