[dev] [swerc][PATCH] bin/handlers: roll up repeated code; factorize out suffixes

[Strake]

>From 309ffdb318e67014b8565335cc1d95e4ff5d506c Mon Sep 17 00:00:00 2001
From: Strake <strake...@gmail.com>
Date: Wed, 3 Jul 2013 07:26:16 -0500
Subject: [PATCH 1/2] bin/handlers: roll up repeated code

---
 bin/handlers.rc | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)

diff --git a/bin/handlers.rc b/bin/handlers.rc
index cca6495..2055ed4 100644
--- a/bin/handlers.rc
+++ b/bin/handlers.rc
@@ -54,6 +54,10 @@ fn man_handler {
     echo '</pre>'
 }

+fn 1_handler {
+    man_handler $*
+}
+
 fn dir_listing_handler {
     d=`{basename -d $1}
     if(~ $#d 0)
@@ -65,19 +69,12 @@ fn dir_listing_handler {
 }

 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 $local_path.1) {
-        local_file=$local_path.1
-        handler_body_main=(man_handler $local_file)
-    }
-    if not if(test -f $local_path.tpl) {
-        local_file=$local_path.tpl
-        handler_body_main=(tpl_handler $local_file)
+    local_file=()
+    for(suffix in md 1 tpl) if(test -f $local_path.$suffix) {
+        local_file=$local_path.$suffix
+        handler_body_main=($suffix^_handler $local_file)
     }
-    if not if(test -f tpl^$req_path^.tpl)
+    if(~ $#local_file 0 && test -f tpl^$req_path^.tpl)
         handler_body_main=(tpl_handler tpl^$req_path^.tpl)
     if(! ~ $#handler_body_main 0)
         { } # We are done
-- 
1.7.11.1


>From de7dfb66068fe2feddcb7d30e95db24712bfe176 Mon Sep 17 00:00:00 2001
From: Strake <strake...@gmail.com>
Date: Sun, 18 May 2003 15:11:04 -0500
Subject: [PATCH 2/2] factorize out suffixes

---
 bin/handlers.rc | 8 ++++++--
 bin/werc.rc     | 4 ++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/bin/handlers.rc b/bin/handlers.rc
index 2055ed4..b68cff6 100644
--- a/bin/handlers.rc
+++ b/bin/handlers.rc
@@ -1,5 +1,9 @@
 # Werc builtin handlers

+suffixes=(md 1 tpl)
+
+suffix_alternation='('^`{echo $"suffixes | tr ' ' '|'}^')'
+
 fn nav_tree {
     echo '<ul>'
     if(! ~ $#menuTitle 0) {
@@ -12,7 +16,7 @@ fn nav_tree {
     # /./ to deal with p9p's ls failure to follow dir symlinks otherwise
     ls -F $sitedir/./$req_paths_list >[2]/dev/null \
         | {
-            sed $dirfilter'/\/[^_.\/][^\/]*(\.(md|1)|\/)$/!d;
s!^'$sitedir'!!; '$dirclean
+            sed
$dirfilter'/\/[^_.\/][^\/]*(\.'^$suffix_alternation^'|\/)$/!d;
s!^'$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 }
@@ -70,7 +74,7 @@ fn dir_listing_handler {

 fn setup_handlers {
     local_file=()
-    for(suffix in md 1 tpl) if(test -f $local_path.$suffix) {
+    for(suffix in $suffixes) if(test -f $local_path.$suffix) {
         local_file=$local_path.$suffix
         handler_body_main=($suffix^_handler $local_file)
     }
diff --git a/bin/werc.rc b/bin/werc.rc
index 01f4714..dd77207 100755
--- a/bin/werc.rc
+++ b/bin/werc.rc
@@ -9,8 +9,8 @@ difs=$ifs # Used to restore default ifs when needed

 # Expected input: ls -F style, $sitedir/path/to/files/
 #          <ls -F+x><symlink hack><Useless?><hiden files  >
-dirfilter='s/\*$//; s,/+\./+,/,g; s,^\./,,; /\/[._][^\/]/d;
/'$forbidden_uri_chars'/d; /\/sitemap\.xml$/d; /\/index\.(md|tpl)$/d;
/\/(robots|sitemap)\.txt$/d; /_werc\/?$/d; '
-dirclean=' s/\.(md|1)$//; '
+dirfilter='s/\*$//; s,/+\./+,/,g; s,^\./,,; /\/[._][^\/]/d;
/'$forbidden_uri_chars'/d; /\/sitemap\.xml$/d;
/\/index(\.'^$suffix_alternation^')+$/d; /\/(robots|sitemap)\.txt$/d;
/_werc\/?$/d; '
+dirclean=' s/\.'^$suffix_alternation^'$//; '

 # Careful, the proper p9p path might not be set until initrc.local is sourced
 path=(. $PLAN9/bin ./bin /bin /usr/bin)
-- 
1.7.11.1