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LibWeb: Remove invalid assertion in table fixup

Previously, our code for the fixup of table rows assumed that missing
cells in a table row must be sequential. This may not be true if the
table contains cells have a rowspan greater than one.
Tim Ledbetter 1 年之前
父节点
3f0a77e788
当前提交
7a3fc621bd
共有 3 个文件被更改，包括 45 次插入 和 5 次删除
分列视图 显示文件统计
  1. 42 0
      Tests/LibWeb/Layout/expected/table-fixup-with-rowspan.txt
  2. 1 0
      Tests/LibWeb/Layout/input/table-fixup-with-rowspan.html
  3. 2 5
      Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp

+ 42 - 0
Tests/LibWeb/Layout/expected/table-fixup-with-rowspan.txt
查看文件 

@@ -0,0 +1,42 @@
 
+Viewport <#document> at (0,0) content-size 800x600 children: not-inline
 
+  BlockContainer <html> at (0,0) content-size 800x62 [BFC] children: not-inline
 
+    BlockContainer <body> at (8,8) content-size 784x46 children: not-inline
 
+      TableWrapper <(anonymous)> at (8,8) content-size 27.90625x46 [BFC] children: not-inline
 
+        Box <table> at (8,8) content-size 27.90625x46 table-box [TFC] children: not-inline
 
+          Box <tbody> at (8,8) content-size 21.90625x38 table-row-group children: not-inline
 
+            Box <tr> at (10,10) content-size 21.90625x19 table-row children: not-inline
 
+              BlockContainer <td> at (11,11) content-size 9.09375x17 table-cell [BFC] children: inline
 
+                frag 0 from TextNode start: 0, length: 1, rect: [11,11 6.34375x17] baseline: 13.296875
 
+                    "1"
 
+                TextNode <#text>
 
+              BlockContainer <td> at (24.09375,22.5) content-size 8.8125x17 table-cell [BFC] children: inline
 
+                frag 0 from TextNode start: 0, length: 1, rect: [24.09375,22.5 8.8125x17] baseline: 13.296875
 
+                    "2"
 
+                TextNode <#text>
 
+            Box <tr> at (10,31) content-size 21.90625x19 table-row children: not-inline
 
+              BlockContainer <td> at (11,32) content-size 9.09375x17 table-cell [BFC] children: inline
 
+                frag 0 from TextNode start: 0, length: 1, rect: [11,32 9.09375x17] baseline: 13.296875
 
+                    "3"
 
+                TextNode <#text>
 
+            Box <tr> at (10,52) content-size 21.90625x0 table-row children: not-inline
 
+              BlockContainer <(anonymous)> at (10,52) content-size 11.09375x0 table-cell [BFC] children: not-inline
 
+      BlockContainer <(anonymous)> at (8,54) content-size 784x0 children: inline
 
+        TextNode <#text>
 
+
 
+ViewportPaintable (Viewport<#document>) [0,0 800x600]
 
+  PaintableWithLines (BlockContainer<HTML>) [0,0 800x62]
 
+    PaintableWithLines (BlockContainer<BODY>) [8,8 784x46]
 
+      PaintableWithLines (TableWrapper(anonymous)) [8,8 27.90625x46]
 
+        PaintableBox (Box<TABLE>) [8,8 27.90625x46]
 
+          PaintableBox (Box<TBODY>) [8,8 21.90625x38] overflow: [8,8 25.90625x44]
 
+            PaintableBox (Box<TR>) [10,10 21.90625x19] overflow: [10,10 23.90625x42]
 
+              PaintableWithLines (BlockContainer<TD>) [10,10 11.09375x19]
 
+                TextPaintable (TextNode<#text>)
 
+              PaintableWithLines (BlockContainer<TD>) [23.09375,10 10.8125x42]
 
+                TextPaintable (TextNode<#text>)
 
+            PaintableBox (Box<TR>) [10,31 21.90625x19]
 
+              PaintableWithLines (BlockContainer<TD>) [10,31 11.09375x19]
 
+                TextPaintable (TextNode<#text>)
 
+            PaintableBox (Box<TR>) [10,52 21.90625x0]
 
+              PaintableWithLines (BlockContainer(anonymous)) [10,52 11.09375x0]
 
+      PaintableWithLines (BlockContainer(anonymous)) [8,54 784x0]

+ 1 - 0
Tests/LibWeb/Layout/input/table-fixup-with-rowspan.html
查看文件 

@@ -0,0 +1 @@
 
+<!DOCTYPE html><table><tbody><tr><td>1</td><td rowspan="3">2</td></tr><tr><td>3</td></tr><tr></tr></tbody></table>

+ 2 - 5
Userland/Libraries/LibWeb/Layout/TreeBuilder.cpp
查看文件 

@@ -727,13 +727,10 @@ static void for_each_child_box_matching(Box& parent, Matcher matcher, Callback c
 
 
 static void fixup_row(Box& row_box, TableGrid const& table_grid, size_t row_index)
 
 {
 
-    bool missing_cells_run_has_started = false;
 
     for (size_t column_index = 0; column_index < table_grid.column_count(); ++column_index) {
 
-        if (table_grid.occupancy_grid().contains({ column_index, row_index })) {
 
-            VERIFY(!missing_cells_run_has_started);
 
+        if (table_grid.occupancy_grid().contains({ column_index, row_index }))
 
             continue;
 
-        }
 
-        missing_cells_run_has_started = true;
 
+
 
         auto row_computed_values = row_box.computed_values().clone_inherited_values();
 
         auto& cell_computed_values = static_cast<CSS::MutableComputedValues&>(row_computed_values);
 
         cell_computed_values.set_display(Web::CSS::Display { CSS::DisplayInternal::TableCell });

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