From e3c5f28ecebe89f5712c369d5c4d25854fcddf0e Mon Sep 17 00:00:00 2001
From: Philipp Schafft <lion@lion.leolix.org>
Date: Wed, 17 May 2017 11:34:45 +0000
Subject: Feature: Added support for postprocessors

---
 webgen | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/webgen b/webgen
index 92b19c9..206b6b8 100755
--- a/webgen
+++ b/webgen
@@ -45,6 +45,7 @@ END=end
 PAGE_SUFFIX='.html'
 DEFAULT_MENU='-menu-none'
 PREPROCESSOR='none'
+POSTPROCESSOR='none'
 LANGUAGE=''
 TEMPLATES=''
 
@@ -214,7 +215,7 @@ list_dependencies() {
 }
 
 show_help() {
-    echo "Usage: webgen [--preprocessor PP] [--language LANG] [{+|~|=}][TPL]"
+    echo "Usage: webgen [--preprocessor PP] [--postprocessor OP] [--language LANG] [{+|~|=}][TPL]"
     echo "   or: webgen [--language LANG] --list-dependencies [{+|~|=}]TPL"
     echo "   or: webgen --setup"
     echo "   or: webgen --list"
@@ -228,6 +229,10 @@ do
             PREPROCESSOR="$2"
             shift
         ;;
+        '--postprocessor')
+            POSTPROCESSOR="$2"
+            shift
+        ;;
         '--language')
             if [ "$2" = 'default' ]
             then
@@ -292,6 +297,24 @@ cat_file() {
     esac
 }
 
+postprocessor() {
+    _of="$1"
+    case "$POSTPROCESSOR" in
+        none)
+            cat - > "$_of"
+        ;;
+        xmllint)
+            xmllint -o "$_of" --format -
+        ;;
+        xmllint-html)
+            xmllint -o "$_of" --format --html -
+        ;;
+        *)
+            echo "Error: Unknown postprocessor: $POSTPROCESSOR" >&2
+        ;;
+    esac
+}
+
 gen_news() {
     if [ ! -d NEWS/ ]
     then
@@ -383,7 +406,7 @@ proc_page() {
     } | \
         sed "$SECTIONS_REGEX" | \
         sed "$TRANSLATE_REGEX" | \
-        sed 's#href="[+~]\([^"\#(]*\)(same-language)\(\#*[^"]*\)"#href="\1'"$LANGUAGE_SUFFIX""$PAGE_SUFFIX"'\2"#g; s#href="(same-page)\([^"\#(]*\)\(\#*[^"]*\)"#href="'"$CLEANTPLNAME"'\1'"$PAGE_SUFFIX"'\2"#g; s#href="[+~]\([^"\#]*\)\(\#*[^"]*\)"#href="\1'"$PAGE_SUFFIX"'\2"#g; s#href="=\([^"]*\)"#href="\1"#g' > "$OF"
+        sed 's#href="[+~]\([^"\#(]*\)(same-language)\(\#*[^"]*\)"#href="\1'"$LANGUAGE_SUFFIX""$PAGE_SUFFIX"'\2"#g; s#href="(same-page)\([^"\#(]*\)\(\#*[^"]*\)"#href="'"$CLEANTPLNAME"'\1'"$PAGE_SUFFIX"'\2"#g; s#href="[+~]\([^"\#]*\)\(\#*[^"]*\)"#href="\1'"$PAGE_SUFFIX"'\2"#g; s#href="=\([^"]*\)"#href="\1"#g' | postprocessor "$OF"
 }
 
 proc_raw() {
@@ -391,7 +414,7 @@ proc_raw() {
     CLEANTPLNAME=$(echo "$_tpl" | sed 's/^=//')
     OF="$OUT"/"$CLEANTPLNAME"
     echo "Compiling $CLEANTPLNAME -> $OF"
-    cat_file "$_tpl" > "$OF"
+    cat_file "$_tpl" | postprocessor "$OF"
 }
 
 proc() {
-- 
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