fixup! [ADD] position: running(); content: element();

weasyprint/css/utils.py

@@ -743,4 +743,4 @@ def get_content_list_token(token, base_url):
     elif name == 'element':
         if len(args) != 1 or args[0].type != 'ident':
             return
-        return ('element()', ('element', args[0]))
+        return ('element()', args[0])

weasyprint/formatting_structure/boxes.py

@@ -713,3 +713,27 @@ class InlineFlexBox(FlexContainerBox, InlineLevelBox):
     It behaves as inline on the outside and as a flex container on the inside.
 
     """
+from collections import defaultdict
+
+class RunningPlaceholder(BlockBox):
+    """A box to anchor a running element within the document flow"""
+    def __init__(self, identifier, style):
+        self.position_x = 0
+        self.position_y = 0
+        self.width = 0
+        self.height = 0
+        self.padding_left = 0
+        self.padding_right = 0
+        self.padding_top = 0
+        self.padding_bottom = 0
+        self.border_left_width = 0
+        self.border_right_width = 0
+        self.border_top_width = 0
+        self.border_bottom_width = 0
+        self.identifier = identifier
+        super(RunningPlaceholder, self).__init__(
+            None, dict(style, display='block', content=[('running', None)]), children=[],
+        )
+
+    def translate(self, dx=0, dy=0, ignore_floats=False):
+        pass

weasyprint/formatting_structure/build.py

@@ -407,12 +407,17 @@ def compute_content_list(content_list, parent_box, counter_values, css_token,
             if is_open:
                 quote_depth[0] += 1
         elif type_ == 'element()':
-            # TODO: understand counter/string recomputation and do that here
-            # too
-            if value[1].value not in context.running_elements:
+            if value.value not in context.running_elements:
                 # TODO: emit warning
                 continue
-            boxlist.append(context.running_elements[value[1].value])
+            new_box = None
+            for i in range(context.current_page - 1, -1, -1):
+                if i not in context.running_elements[value.value]:
+                    continue
+                new_box = context.running_elements[value.value][i].copy()
+                break
+            new_box.style['position'] = 'static'
+            boxlist.append(new_box)
     text = ''.join(texts)
     if text:
         boxlist.append(boxes.TextBox.anonymous_from(parent_box, text))
@@ -1215,7 +1220,7 @@ def inline_in_block(box):
         ]
 
     """
-    if not isinstance(box, boxes.ParentBox):
+    if not isinstance(box, boxes.ParentBox) or box.is_running():
         return box
 
     box_children = list(box.children)
@@ -1350,7 +1355,7 @@ def block_in_inline(box):
         ]
 
     """
-    if not isinstance(box, boxes.ParentBox):
+    if not isinstance(box, boxes.ParentBox) or box.is_running():
         return box
 
     new_children = []

weasyprint/layout/blocks.py

@@ -366,9 +366,14 @@ def block_container_layout(context, box, max_position_y, skip_stack,
                     resume_at = (index, None)
                     break
             elif child.is_running():
-                context.running_elements[
-                    child.style['position'].element
-                ] = child
+                placeholder = boxes.RunningPlaceholder(
+                    child.style['position'].element, child.style,
+                )
+                placeholder.index = index
+                new_children.append(placeholder)
+                context.running_elements.setdefault(
+                    child.style['position'].element, {}
+                )[placeholder] = child
             continue
 
         if isinstance(child, boxes.LineBox):

weasyprint/layout/pages.py

@@ -347,8 +347,11 @@ def make_box(at_keyword, containing_block):
                 page)
             # content_to_boxes() only produces inline-level boxes, no need to
             # run other post-processors from build.build_formatting_structure()
-            box = build.inline_in_block(box)
             build.process_whitespace(box)
+            box = build.anonymous_table_boxes(box)
+            box = build.flex_boxes(box)
+            box = build.inline_in_block(box)
+            box = build.block_in_inline(box)
         resolve_percentages(box, containing_block)
         if not box.is_generated:
             box.width = box.height = 0
@@ -665,6 +668,9 @@ def make_page(context, root_box, page_type, resume_at, page_number,
             if call_parse_again:
                 remake_state['content_changed'] = True
                 counter_lookup.parse_again(page_counter_values)
+        if isinstance(child, boxes.RunningPlaceholder):
+            elements = context.running_elements[child.identifier]
+            elements[page.page_type.index] = elements[child]
 
     if page_type.blank:
         resume_at = previous_resume_at