Add support for specifying the song order in the metadata section.

pco_chords.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.3.1"
+version       = "0.4.0"
 author        = "Jonathan Bernard"
 description   = "Chord chart formatter compatible with Planning Center Online"
 license       = "MIT"

src/pco_chordspkg/ast.nim

@@ -1,4 +1,4 @@
-import std/logging, std/nre, std/strtabs, std/strutils
+import std/[nre, strtabs, strutils]
 import zero_functional
 
 type

src/pco_chordspkg/cliconstants.nim

@@ -1,4 +1,4 @@
-const PCO_CHORDS_VERSION* = "0.3.1"
+const PCO_CHORDS_VERSION* = "0.4.0"
 
 const USAGE* = """Usage:
   pco_chords [options]

src/pco_chordspkg/html.nim

@@ -62,6 +62,16 @@ h3 {
   margin-right: 0.5em;
 }
 
+.song-order h3 {
+  font-style: italic;
+  font-weight: normal;
+}
+
+.song-order li {
+  list-style: none;
+  margin-left: 1em;
+}
+
 @media screen {
   body { margin: 1em; }
 }
@@ -84,6 +94,14 @@ proc transpose(ctx: FormatContext, chord: ChordChartChord): string =
 
   else: result = chord.original
 
+func makeSongOrder(songOrder, indent: string): string =
+  result = indent & "<section class=song-order>\p" &
+           indent & "  <h3>Song Order</h3>\p" &
+           indent & "  <ul>\p"
+  result &= join(songOrder.split(",") -->
+    map(indent & "    <li>" & it.strip & "</li>\p"), "")
+  result &= indent & "  </ul>\p" & indent & "</section>\p"
+
 proc toHtml(ctx: var FormatContext, node: ChordChartNode, indent: string): string =
   result = ""
   case node.kind
@@ -195,6 +213,10 @@ proc toHtml*(
 
   result &= "<div class=page-contents>"
   result &= join(cc.nodes --> map(ctx.toHtml(it, indent & "  ")), "\p")
+
+  if cc.metadata.contains("song order"):
+    result &= makeSongOrder(cc.metadata["song order"], indent)
+
   result &= "</div>"
 
   result &= "  </body>\p</html>"