added loyalty for planeswalkers, fixed bug when height was set to

constant

src/print.zig

@@ -1,4 +1,3 @@
-//TODO: add loyalty for planeswalkers
 //TODO: print mana cost beside each name for dual-faced cards
 //TODO: consider eliminating the TextCard struct
 //TODO: add some kind of "update" command to support pulling new oracle data
@@ -34,9 +33,10 @@ const Card = struct {
     cmc: f32 = 0,                   //float
     type_line: []const u8 = "",     //string
     oracle_text: []const u8 = "",   //string
-    power: []const u8 = "",         //coerced to string
-    toughness: []const u8 = "",     //coerced to string
+    power: ?[]const u8 = null,      //coerced to string
+    toughness: ?[]const u8 = null,  //coerced to string
     card_faces: ?[]Card = null,     //array of cards
+    loyalty: ?[]const u8 = null,    //coerced to string
 };
 
 const TextCard = struct {
@@ -97,7 +97,6 @@ pub fn main() !void {
     } else {
       return error.ExpectedArgument;
     }
-    //TODO (FIXME): passing "true" currently causes the program to hang and then crash
     if(res.args.constant) |choice| {
         constantHeight = std.mem.eql(u8, choice, "true");
     }
@@ -142,7 +141,6 @@ pub fn main() !void {
         for (allPrinted.items) |printLine| {
             print("{s}", .{printLine});
         }
-        // std.debug.print("{s}", .{allPrinted.items});
         rowToPrint.clearAndFree();
     }
     var page = c.pdf_append_page(pdf_doc);
@@ -182,23 +180,25 @@ fn card(
     }
     try fullUnformattedText.appendSlice(try std.mem.concat(allocator, u8, &[_][]const u8{
         cardObj.oracle_text,
-        if (cardObj.power.len > 0) " (" else "",
-        cardObj.power,
-        if (cardObj.power.len > 0) "/" else "",
-        cardObj.toughness,
-        if (cardObj.power.len > 0) ") " else "",
+        if (cardObj.power) |_| " (" else "",
+        cardObj.power orelse "",
+        if (cardObj.power) |_| "/" else "",
+        cardObj.toughness orelse "",
+        if (cardObj.power) |_| ") " else "",
+
+        if(cardObj.loyalty) |_| "[" else "",
+        cardObj.loyalty orelse "",
+        if(cardObj.loyalty) |_| "]" else "",
     }));
     if (cardObj.card_faces) |faces| {
         for (faces, 0..) |face, idx| {
             const faceText = (try card(face, allocator, true)).lines;
             try fullUnformattedText.appendSlice(std.mem.trim(u8, try std.mem.join(allocator, " ", faceText), "\n"));
-            if (idx == 0) try fullUnformattedText.appendSlice(" // ");
+            if (idx == 0) try fullUnformattedText.appendSlice("// ");
         }
     }
 
     var line = std.ArrayList(u8).init(allocator);
-    // var word = std.ArrayList(u8).init(allocator);
-
     var wordIterator = std.mem.splitAny(u8, fullUnformattedText.items, "\n ");
     while (wordIterator.next()) |word| {
         if (line.items.len + word.len + 1 < cardWidth) {
@@ -214,19 +214,18 @@ fn card(
     } else {
         try cardText.append(try line.toOwnedSlice());
     }
-
-    while (wrongCardHeight(cardText.items.len)) {
+    if(!isFace and constantHeight) {
+        const actualHeight: usize = cardText.items.len;
+        assert(actualHeight <= cardHeight);
+        const diff = cardHeight - actualHeight;
+        try cardText.appendNTimes(" " ** (cardWidth - 2), diff);
+    } else if(!isFace) {
         try cardText.append(" " ** (cardWidth - 2));
     }
-    try cardText.append(" " ** (cardWidth - 2));
+    assert(cardText.items.len <= cardHeight);
     return TextCard{ .lines = try cardText.toOwnedSlice() };
 }
 
-fn wrongCardHeight(length: usize) bool {
-    print("{d}\n", .{length});
-    return (constantHeight and length < cardHeight) or length < minCardHeight;
-}
-
 const linesList = std.MultiArrayList(cardRow);
 const cardRow = struct {
     first: []const u8 = spacer,
@@ -263,6 +262,7 @@ const cardRow = struct {
         }
         const rowHeight = lines.items(.first).len;
         while (pageHeight - (allPrinted.items.len % pageHeight) <= rowHeight) {
+            assert(rowHeight <= pageHeight);
             try allPrinted.append(fullWidthSpacer);
         }
         for (lines.items(.first), 0..) |_, idx| {