1 files changed, 109 insertions, 0 deletions
diff --git a/modules/generate.source.sh b/modules/generate.source.sh
new file mode 100644
index 00000000..7066576a
--- /dev/null
+++ b/modules/generate.source.sh
@@ -0,0 +1,109 @@
+generate::make_link () {
+    local -r what="$1"; shift
+    local -r line="${1/=> }"; shift
+    local link
+    local descr
+
+    while read -r token; do
+        if [ -z "$link" ]; then
+            link="$token"
+        elif [ -z "$descr" ]; then
+            descr="$token"
+        else
+            descr="$descr $token"
+        fi
+    done < <(echo "$line" | tr ' ' '\n')
+
+    if grep -E -q "$IMAGE_PATTERN" <<< "$link"; then
+        if [ $what == md ]; then
+            md::make_img "$link" "$descr"
+        else
+            html::make_img "$link" "$(html::special "$descr")"
+        fi
+        return
+    fi
+
+    if [ $what == md ]; then
+        md::make_link "$link" "$descr"
+    else
+        html::make_link "$link" "$(html::special "$descr")"
+    fi
+}
+
+generate::fromgmi_ () {
+    local -r src="$1"; shift
+    local -r format="$1"; shift
+    local dest=${src/gemtext/$format}
+    dest=${dest/.gmi/.$format}
+    local dest_dir=$(dirname "$dest")
+
+    test ! -d "$dest_dir" && mkdir -p "$dest_dir"
+    if [ $format == html ]; then
+        cat header.html.part > "$dest.tmp"
+        html::fromgmi < "$src" >> "$dest.tmp"
+        cat footer.html.part >> "$dest.tmp"
+    elif [ $format == md ]; then
+        md::fromgmi < "$src" >> "$dest.tmp"
+    fi
+
+    mv "$dest.tmp" "$dest"
+    test "$ADD_GIT" == yes && git add "$dest"
+}
+
+generate::fromgmi_add_docs () {
+    local -r src="$1"; shift
+    local -r format="$1"; shift
+    local -r dest=${src/gemtext/$format}
+    local -r dest_dir=$(dirname "$dest")
+
+    test ! -d "$dest_dir" && mkdir -p "$dest_dir"
+    cp "$src" "$dest"
+    test "$ADD_GIT" == yes && git add "$dest"
+}
+
+generate::fromgmi_convert_atom () {
+    local -r format="$1"; shift
+
+    test $format != html && return
+    $SED 's|.gmi|.html|g; s|gemini://|https://|g' \
+        < $CONTENT_DIR/gemtext/gemfeed/atom.xml \
+        > $CONTENT_DIR/html/gemfeed/atom.xml
+    test "$ADD_GIT" == yes && git add $CONTENT_DIR/html/gemfeed/atom.xml
+}
+
+generate::fromgmi_cleanup () {
+    local -r src="$1"; shift
+    local -r format="$1"; shift
+    local dest=${src/.$format/.gmi}
+    dest=${dest/$format/gemtext}
+
+    test ! -f "$dest" && test "$ADD_GIT" == yes && git rm "$src"
+}
+
+generate::fromgmi () {
+    find $CONTENT_DIR/gemtext -type f -name \*.gmi | while read -r src; do
+        for format in "$@"; do
+            generate::fromgmi_ "$src" "$format"
+        done
+    done
+
+    # Add non-.gmi files to html dir.
+    find $CONTENT_DIR/gemtext -type f | grep -E -v '(.gmi|atom.xml|.tmp)$' |
+    while read -r src; do
+        for format in "$@"; do
+            generate::fromgmi_add_docs "$src" "$format"
+        done
+    done
+
+    # Add atom feed for HTML
+    for format in "$@"; do
+        generate::fromgmi_convert_atom "$format"
+    done
+
+    # Remove obsolete files from ./html/
+    for format in "$@"; do
+        find $CONTENT_DIR/$format -type f | while read -r src; do
+            generate::fromgmi_cleanup "$src" "$format"
+        done
+    done
+}