Header links

awk/headers.awk

@@ -8,18 +8,21 @@ function strip_markdown(s) {
     return s
 }
 function print_header(line) {
-    if (line ~ /^# /) {
+    tag = ""
-        sub(/^# /, "", line); print "<h1 id=\"" strip_markdown(line) "\">" line "</h1>"
+    if (line ~ /^# /) { tag = "h1"; sub(/^# /, "", line) }
-    } else if (line ~ /^## /) {
+    else if (line ~ /^## /) { tag = "h2"; sub(/^## /, "", line) }
-        sub(/^## /, "", line); print "<h2 id=\"" strip_markdown(line) "\">" line "</h2>"
+    else if (line ~ /^### /) { tag = "h3"; sub(/^### /, "", line) }
-    } else if (line ~ /^### /) {
+    else if (line ~ /^#### /) { tag = "h4"; sub(/^#### /, "", line) }
-        sub(/^### /, "", line); print "<h3 id=\"" strip_markdown(line) "\">" line "</h3>"
+    else if (line ~ /^##### /) { tag = "h5"; sub(/^##### /, "", line) }
-    } else if (line ~ /^#### /) {
+    else if (line ~ /^###### /) { tag = "h6"; sub(/^###### /, "", line) }
-        sub(/^#### /, "", line); print "<h4 id=\"" strip_markdown(line) "\">" line "</h4>"
+
-    } else if (line ~ /^##### /) {
+    if (tag != "") {
-        sub(/^##### /, "", line); print "<h5 id=\"" strip_markdown(line) "\">" line "</h5>"
+        id = strip_markdown(line)
-    } else if (line ~ /^###### /) {
+        if (enable_header_links == "true") {
-        sub(/^###### /, "", line); print "<h6 id=\"" strip_markdown(line) "\">" line "</h6>"
+            print "<" tag " id=\"" id "\"><a href=\"#" id "\" class=\"header-anchor\">" line "</a></" tag ">"
+        } else {
+            print "<" tag " id=\"" id "\">" line "</" tag ">"
+        }
     } else {
         print line
     }

kewt.sh

@@ -49,6 +49,7 @@ favicon = ""
 generate_page_title = true
 error_page = "not_found.html"
 versioning = false
+enable_header_links = true
 EOF
     fi
 
@@ -282,6 +283,7 @@ favicon=""
 generate_page_title="true"
 error_page="not_found.html"
 versioning="false"
+enable_header_links="true"
 
 load_config() {
     [ -f "$1" ] || return
@@ -322,6 +324,7 @@ load_config() {
             generate_page_title) generate_page_title="$val" ;;
             error_page) error_page="$val" ;;
             versioning) versioning="$val" ;;
+            enable_header_links) enable_header_links="$val" ;;
         esac
     done < "$1"
 }
@@ -435,6 +438,7 @@ copy_style_with_resolved_vars() {
 
 render_markdown() {
     file="$1"
+    is_home="$2"
     local_template=$(find_closest "template.html" "$(dirname "$file")")
     [ -z "$local_template" ] && local_template="$template"
 
@@ -485,20 +489,24 @@ render_markdown() {
 
     page_title="$title"
     if [ "$generate_page_title" = "true" ] && [ -n "$file" ] && [ -f "$file" ]; then
-        first_heading=$(grep -m 1 '^# ' "$file" | sed 's/^# *//; s/ *$//')
+        if [ "$is_home" = "true" ] && [ -n "$home_name" ]; then
-        if [ -n "$first_heading" ]; then
+            page_title="$home_name - $title"
-            first_heading=$(echo "$first_heading" | sed -e 's/\[//g' -e 's/\]//g' -e 's/!//g' -e 's/\*//g' -e 's/_//g' -e 's/`//g' -e 's/([^)]*)//g' | sed 's/\\//g')
-            page_title="$first_heading - $title"
         else
-            basename_no_ext=$(basename "$file" .md)
+            first_heading=$(grep -m 1 '^# ' "$file" | sed 's/^# *//; s/ *$//')
-            if [ "$basename_no_ext" != "index" ] && [ "$basename_no_ext" != "404_gen" ]; then
+            if [ -n "$first_heading" ]; then
-                cap_basename=$(echo "$basename_no_ext" | awk '{print toupper(substr($0,1,1)) substr($0,2)}')
+                first_heading=$(echo "$first_heading" | sed -e 's/\[//g' -e 's/\]//g' -e 's/!//g' -e 's/\*//g' -e 's/_//g' -e 's/`//g' -e 's/([^)]*)//g' | sed 's/\\//g')
-                page_title="$cap_basename - $title"
+                page_title="$first_heading - $title"
+            else
+                basename_no_ext=$(basename "$file" .md)
+                if [ "$basename_no_ext" != "index" ] && [ "$basename_no_ext" != "404_gen" ]; then
+                    cap_basename=$(echo "$basename_no_ext" | awk '{print toupper(substr($0,1,1)) substr($0,2)}')
+                    page_title="$cap_basename - $title"
+                fi
             fi
         fi
     fi
 
-    MARKDOWN_SITE_ROOT="$src" MARKDOWN_FALLBACK_FILE="$script_dir/styles/$style.css" sh "$script_dir/markdown.sh" "$file" | awk -v title="$page_title" -v nav="$nav" -v footer="$footer" -v style_path="${style_path}${asset_version}" -v header_brand="$header_brand" -v head_extra="$head_extra" -f "$awk_dir/render_template.awk" "$local_template"
+    ENABLE_HEADER_LINKS="$enable_header_links" MARKDOWN_SITE_ROOT="$src" MARKDOWN_FALLBACK_FILE="$script_dir/styles/$style.css" sh "$script_dir/markdown.sh" "$file" | awk -v title="$page_title" -v nav="$nav" -v footer="$footer" -v style_path="${style_path}${asset_version}" -v header_brand="$header_brand" -v head_extra="$head_extra" -f "$awk_dir/render_template.awk" "$local_template"
 }
 
 echo "Building site from '$src' to '$out'..."
@@ -523,7 +531,8 @@ eval "find \"$src\" \( $IGNORE_ARGS \) -prune -o -type d -print" | sort | while
             md_count=$(find "$dir" ! -name "$(basename "$dir")" -prune -name "*.md" | wc -l)
             if [ "$md_count" -eq 1 ]; then
                 md_file=$(find "$dir" ! -name "$(basename "$dir")" -prune -name "*.md")
-                render_markdown "$md_file" > "$out_dir/index.html"
+                is_home="false"; [ "$dir" = "$src" ] && is_home="true"
+                render_markdown "$md_file" "$is_home" > "$out_dir/index.html"
                 continue
             fi
         fi
@@ -546,7 +555,8 @@ eval "find \"$src\" \( $IGNORE_ARGS \) -prune -o -type d -print" | sort | while
                 echo "- [$name]($name)" >> "$temp_index"
             fi
         done
-        render_markdown "$temp_index" > "$out_dir/index.html"
+        is_home="false"; [ "$dir" = "$src" ] && is_home="true"
+        render_markdown "$temp_index" "$is_home" > "$out_dir/index.html"
         rm "$temp_index"
     fi
 done
@@ -576,8 +586,9 @@ eval "find \"$src\" \( $IGNORE_ARGS \) -prune -o -type f -print" | sort | while
     fi
 
     if [ "${file%.md}" != "$file" ] && [ "$is_preserved" -eq 0 ]; then
+        is_home="false"; [ "$file" = "$src/index.md" ] && is_home="true"
         out_file="$out/${rel_path%.md}.html"
-        render_markdown "$file" > "$out_file"
+        render_markdown "$file" "$is_home" > "$out_file"
     else
         cp "$file" "$out/$rel_path"
     fi

markdown.sh

@@ -51,7 +51,7 @@ awk -f "$awk_dir/blockquote_to_admonition.awk" "$temp_file" > "$temp_file.tmp" &
 awk -f "$awk_dir/fenced_code.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
 awk -f "$awk_dir/indented_code.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
 awk -f "$awk_dir/pipe_tables.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
-awk -f "$awk_dir/headers.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
+awk -v enable_header_links="$ENABLE_HEADER_LINKS" -f "$awk_dir/headers.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
 awk -f "$awk_dir/lists.awk" "$temp_file" > "$temp_file.tmp" && mv "$temp_file.tmp" "$temp_file"
 
 # Spacing

site.conf

@@ -1,16 +0,0 @@
-title = "kewt"
-style = "kewt"
-dir_indexes = true
-single_file_index = true
-flatten = false
-footer = "made with <a href="https://kewt.krzak.org">kewt</a>"
-logo = ""
-display_logo = false
-display_title = true
-logo_as_favicon = true
-favicon = ""
-order = ""
-home_name = "Home"
-show_home_in_nav = true
-nav_links = ""
-nav_extra = ""

template.html

@@ -1,21 +0,0 @@
-<!doctype html>
-<html>
-    <head>
-        <meta charset="UTF-8" />
-        <title>{{TITLE}}</title>
-
-        <link rel="stylesheet" href="{{CSS}}" type="text/css" />
-        {{HEAD_EXTRA}}
-    </head>
-
-    <body>
-        <header>
-            <h1>{{HEADER_BRAND}}</h1>
-        </header>
-
-        <nav id="side-bar">{{NAV}}</nav>
-
-        <article>{{CONTENT}}</article>
-        <footer>{{FOOTER}}</footer>
-    </body>
-</html>