two version of R2R are hereHEADmaster

1 files changed, 977 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/docx/oxml/table.py b/.venv/lib/python3.12/site-packages/docx/oxml/table.py
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+"""Custom element classes for tables."""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Callable, cast
+
+from docx.enum.table import WD_CELL_VERTICAL_ALIGNMENT, WD_ROW_HEIGHT_RULE, WD_TABLE_DIRECTION
+from docx.exceptions import InvalidSpanError
+from docx.oxml.ns import nsdecls, qn
+from docx.oxml.parser import parse_xml
+from docx.oxml.shared import CT_DecimalNumber
+from docx.oxml.simpletypes import (
+    ST_Merge,
+    ST_TblLayoutType,
+    ST_TblWidth,
+    ST_TwipsMeasure,
+    XsdInt,
+)
+from docx.oxml.text.paragraph import CT_P
+from docx.oxml.xmlchemy import (
+    BaseOxmlElement,
+    OneAndOnlyOne,
+    OneOrMore,
+    OptionalAttribute,
+    RequiredAttribute,
+    ZeroOrMore,
+    ZeroOrOne,
+)
+from docx.shared import Emu, Length, Twips
+
+if TYPE_CHECKING:
+    from docx.enum.table import WD_TABLE_ALIGNMENT
+    from docx.enum.text import WD_ALIGN_PARAGRAPH
+    from docx.oxml.shared import CT_OnOff, CT_String
+    from docx.oxml.text.parfmt import CT_Jc
+
+
+class CT_Height(BaseOxmlElement):
+    """Used for `w:trHeight` to specify a row height and row height rule."""
+
+    val: Length | None = OptionalAttribute(  # pyright: ignore[reportAssignmentType]
+        "w:val", ST_TwipsMeasure
+    )
+    hRule: WD_ROW_HEIGHT_RULE | None = OptionalAttribute(  # pyright: ignore[reportAssignmentType]
+        "w:hRule", WD_ROW_HEIGHT_RULE
+    )
+
+
+class CT_Row(BaseOxmlElement):
+    """``<w:tr>`` element."""
+
+    add_tc: Callable[[], CT_Tc]
+    get_or_add_trPr: Callable[[], CT_TrPr]
+    _add_trPr: Callable[[], CT_TrPr]
+
+    tc_lst: list[CT_Tc]
+    # -- custom inserter below --
+    tblPrEx: CT_TblPrEx | None = ZeroOrOne("w:tblPrEx")  # pyright: ignore[reportAssignmentType]
+    # -- custom inserter below --
+    trPr: CT_TrPr | None = ZeroOrOne("w:trPr")  # pyright: ignore[reportAssignmentType]
+    tc = ZeroOrMore("w:tc")
+
+    @property
+    def grid_after(self) -> int:
+        """The number of unpopulated layout-grid cells at the end of this row."""
+        trPr = self.trPr
+        if trPr is None:
+            return 0
+        return trPr.grid_after
+
+    @property
+    def grid_before(self) -> int:
+        """The number of unpopulated layout-grid cells at the start of this row."""
+        trPr = self.trPr
+        if trPr is None:
+            return 0
+        return trPr.grid_before
+
+    def tc_at_grid_offset(self, grid_offset: int) -> CT_Tc:
+        """The `tc` element in this tr at exact `grid offset`.
+
+        Raises ValueError when this `w:tr` contains no `w:tc` with exact starting `grid_offset`.
+        """
+        # -- account for omitted cells at the start of the row --
+        remaining_offset = grid_offset - self.grid_before
+
+        for tc in self.tc_lst:
+            # -- We've gone past grid_offset without finding a tc, no sense searching further. --
+            if remaining_offset < 0:
+                break
+            # -- We've arrived at grid_offset, this is the `w:tc` we're looking for. --
+            if remaining_offset == 0:
+                return tc
+            # -- We're not there yet, skip forward the number of layout-grid cells this cell
+            # -- occupies.
+            remaining_offset -= tc.grid_span
+
+        raise ValueError(f"no `tc` element at grid_offset={grid_offset}")
+
+    @property
+    def tr_idx(self) -> int:
+        """Index of this `w:tr` element within its parent `w:tbl` element."""
+        tbl = cast(CT_Tbl, self.getparent())
+        return tbl.tr_lst.index(self)
+
+    @property
+    def trHeight_hRule(self) -> WD_ROW_HEIGHT_RULE | None:
+        """The value of `./w:trPr/w:trHeight/@w:hRule`, or |None| if not present."""
+        trPr = self.trPr
+        if trPr is None:
+            return None
+        return trPr.trHeight_hRule
+
+    @trHeight_hRule.setter
+    def trHeight_hRule(self, value: WD_ROW_HEIGHT_RULE | None):
+        trPr = self.get_or_add_trPr()
+        trPr.trHeight_hRule = value
+
+    @property
+    def trHeight_val(self):
+        """Return the value of `w:trPr/w:trHeight@w:val`, or |None| if not present."""
+        trPr = self.trPr
+        if trPr is None:
+            return None
+        return trPr.trHeight_val
+
+    @trHeight_val.setter
+    def trHeight_val(self, value: Length | None):
+        trPr = self.get_or_add_trPr()
+        trPr.trHeight_val = value
+
+    def _insert_tblPrEx(self, tblPrEx: CT_TblPrEx):
+        self.insert(0, tblPrEx)
+
+    def _insert_trPr(self, trPr: CT_TrPr):
+        tblPrEx = self.tblPrEx
+        if tblPrEx is not None:
+            tblPrEx.addnext(trPr)
+        else:
+            self.insert(0, trPr)
+
+    def _new_tc(self):
+        return CT_Tc.new()
+
+
+class CT_Tbl(BaseOxmlElement):
+    """``<w:tbl>`` element."""
+
+    add_tr: Callable[[], CT_Row]
+    tr_lst: list[CT_Row]
+
+    tblPr: CT_TblPr = OneAndOnlyOne("w:tblPr")  # pyright: ignore[reportAssignmentType]
+    tblGrid: CT_TblGrid = OneAndOnlyOne("w:tblGrid")  # pyright: ignore[reportAssignmentType]
+    tr = ZeroOrMore("w:tr")
+
+    @property
+    def bidiVisual_val(self) -> bool | None:
+        """Value of `./w:tblPr/w:bidiVisual/@w:val` or |None| if not present.
+
+        Controls whether table cells are displayed right-to-left or left-to-right.
+        """
+        bidiVisual = self.tblPr.bidiVisual
+        if bidiVisual is None:
+            return None
+        return bidiVisual.val
+
+    @bidiVisual_val.setter
+    def bidiVisual_val(self, value: WD_TABLE_DIRECTION | None):
+        tblPr = self.tblPr
+        if value is None:
+            tblPr._remove_bidiVisual()  # pyright: ignore[reportPrivateUsage]
+        else:
+            tblPr.get_or_add_bidiVisual().val = bool(value)
+
+    @property
+    def col_count(self):
+        """The number of grid columns in this table."""
+        return len(self.tblGrid.gridCol_lst)
+
+    def iter_tcs(self):
+        """Generate each of the `w:tc` elements in this table, left to right and top to
+        bottom.
+
+        Each cell in the first row is generated, followed by each cell in the second
+        row, etc.
+        """
+        for tr in self.tr_lst:
+            for tc in tr.tc_lst:
+                yield tc
+
+    @classmethod
+    def new_tbl(cls, rows: int, cols: int, width: Length) -> CT_Tbl:
+        """Return a new `w:tbl` element having `rows` rows and `cols` columns.
+
+        `width` is distributed evenly between the columns.
+        """
+        return cast(CT_Tbl, parse_xml(cls._tbl_xml(rows, cols, width)))
+
+    @property
+    def tblStyle_val(self) -> str | None:
+        """`w:tblPr/w:tblStyle/@w:val` (a table style id) or |None| if not present."""
+        tblStyle = self.tblPr.tblStyle
+        if tblStyle is None:
+            return None
+        return tblStyle.val
+
+    @tblStyle_val.setter
+    def tblStyle_val(self, styleId: str | None) -> None:
+        """Set the value of `w:tblPr/w:tblStyle/@w:val` (a table style id) to `styleId`.
+
+        If `styleId` is None, remove the `w:tblStyle` element.
+        """
+        tblPr = self.tblPr
+        tblPr._remove_tblStyle()  # pyright: ignore[reportPrivateUsage]
+        if styleId is None:
+            return
+        tblPr._add_tblStyle().val = styleId  # pyright: ignore[reportPrivateUsage]
+
+    @classmethod
+    def _tbl_xml(cls, rows: int, cols: int, width: Length) -> str:
+        col_width = Emu(width // cols) if cols > 0 else Emu(0)
+        return (
+            f"<w:tbl {nsdecls('w')}>\n"
+            f"  <w:tblPr>\n"
+            f'    <w:tblW w:type="auto" w:w="0"/>\n'
+            f'    <w:tblLook w:firstColumn="1" w:firstRow="1"\n'
+            f'               w:lastColumn="0" w:lastRow="0" w:noHBand="0"\n'
+            f'               w:noVBand="1" w:val="04A0"/>\n'
+            f"  </w:tblPr>\n"
+            f"{cls._tblGrid_xml(cols, col_width)}"
+            f"{cls._trs_xml(rows, cols, col_width)}"
+            f"</w:tbl>\n"
+        )
+
+    @classmethod
+    def _tblGrid_xml(cls, col_count: int, col_width: Length) -> str:
+        xml = "  <w:tblGrid>\n"
+        for _ in range(col_count):
+            xml += '    <w:gridCol w:w="%d"/>\n' % col_width.twips
+        xml += "  </w:tblGrid>\n"
+        return xml
+
+    @classmethod
+    def _trs_xml(cls, row_count: int, col_count: int, col_width: Length) -> str:
+        return f"  <w:tr>\n{cls._tcs_xml(col_count, col_width)}  </w:tr>\n" * row_count
+
+    @classmethod
+    def _tcs_xml(cls, col_count: int, col_width: Length) -> str:
+        return (
+            f"    <w:tc>\n"
+            f"      <w:tcPr>\n"
+            f'        <w:tcW w:type="dxa" w:w="{col_width.twips}"/>\n'
+            f"      </w:tcPr>\n"
+            f"      <w:p/>\n"
+            f"    </w:tc>\n"
+        ) * col_count
+
+
+class CT_TblGrid(BaseOxmlElement):
+    """`w:tblGrid` element.
+
+    Child of `w:tbl`, holds `w:gridCol> elements that define column count, width, etc.
+    """
+
+    add_gridCol: Callable[[], CT_TblGridCol]
+    gridCol_lst: list[CT_TblGridCol]
+
+    gridCol = ZeroOrMore("w:gridCol", successors=("w:tblGridChange",))
+
+
+class CT_TblGridCol(BaseOxmlElement):
+    """`w:gridCol` element, child of `w:tblGrid`, defines a table column."""
+
+    w: Length | None = OptionalAttribute(  # pyright: ignore[reportAssignmentType]
+        "w:w", ST_TwipsMeasure
+    )
+
+    @property
+    def gridCol_idx(self) -> int:
+        """Index of this `w:gridCol` element within its parent `w:tblGrid` element."""
+        tblGrid = cast(CT_TblGrid, self.getparent())
+        return tblGrid.gridCol_lst.index(self)
+
+
+class CT_TblLayoutType(BaseOxmlElement):
+    """`w:tblLayout` element.
+
+    Specifies whether column widths are fixed or can be automatically adjusted based on
+    content.
+    """
+
+    type: str | None = OptionalAttribute(  # pyright: ignore[reportAssignmentType]
+        "w:type", ST_TblLayoutType
+    )
+
+
+class CT_TblPr(BaseOxmlElement):
+    """``<w:tblPr>`` element, child of ``<w:tbl>``, holds child elements that define
+    table properties such as style and borders."""
+
+    get_or_add_bidiVisual: Callable[[], CT_OnOff]
+    get_or_add_jc: Callable[[], CT_Jc]
+    get_or_add_tblLayout: Callable[[], CT_TblLayoutType]
+    _add_tblStyle: Callable[[], CT_String]
+    _remove_bidiVisual: Callable[[], None]
+    _remove_jc: Callable[[], None]
+    _remove_tblStyle: Callable[[], None]
+
+    _tag_seq = (
+        "w:tblStyle",
+        "w:tblpPr",
+        "w:tblOverlap",
+        "w:bidiVisual",
+        "w:tblStyleRowBandSize",
+        "w:tblStyleColBandSize",
+        "w:tblW",
+        "w:jc",
+        "w:tblCellSpacing",
+        "w:tblInd",
+        "w:tblBorders",
+        "w:shd",
+        "w:tblLayout",
+        "w:tblCellMar",
+        "w:tblLook",
+        "w:tblCaption",
+        "w:tblDescription",
+        "w:tblPrChange",
+    )
+    tblStyle: CT_String | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "w:tblStyle", successors=_tag_seq[1:]
+    )
+    bidiVisual: CT_OnOff | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "w:bidiVisual", successors=_tag_seq[4:]
+    )
+    jc: CT_Jc | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "w:jc", successors=_tag_seq[8:]
+    )
+    tblLayout: CT_TblLayoutType | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "w:tblLayout", successors=_tag_seq[13:]
+    )
+    del _tag_seq
+
+    @property
+    def alignment(self) -> WD_TABLE_ALIGNMENT | None:
+        """Horizontal alignment of table, |None| if `./w:jc` is not present."""
+        jc = self.jc
+        if jc is None:
+            return None
+        return cast("WD_TABLE_ALIGNMENT | None", jc.val)
+
+    @alignment.setter
+    def alignment(self, value: WD_TABLE_ALIGNMENT | None):
+        self._remove_jc()
+        if value is None:
+            return
+        jc = self.get_or_add_jc()
+        jc.val = cast("WD_ALIGN_PARAGRAPH", value)
+
+    @property
+    def autofit(self) -> bool:
+        """|False| when there is a `w:tblLayout` child with `@w:type="fixed"`.
+
+        Otherwise |True|.
+        """
+        tblLayout = self.tblLayout
+        return True if tblLayout is None else tblLayout.type != "fixed"
+
+    @autofit.setter
+    def autofit(self, value: bool):
+        tblLayout = self.get_or_add_tblLayout()
+        tblLayout.type = "autofit" if value else "fixed"
+
+    @property
+    def style(self):
+        """Return the value of the ``val`` attribute of the ``<w:tblStyle>`` child or
+        |None| if not present."""
+        tblStyle = self.tblStyle
+        if tblStyle is None:
+            return None
+        return tblStyle.val
+
+    @style.setter
+    def style(self, value: str | None):
+        self._remove_tblStyle()
+        if value is None:
+            return
+        self._add_tblStyle().val = value
+
+
+class CT_TblPrEx(BaseOxmlElement):
+    """`w:tblPrEx` element, exceptions to table-properties.
+
+    Applied at a lower level, like a `w:tr` to modify the appearance. Possibly used when
+    two tables are merged. For more see:
+    http://officeopenxml.com/WPtablePropertyExceptions.php
+    """
+
+
+class CT_TblWidth(BaseOxmlElement):
+    """Used for `w:tblW` and `w:tcW` and others, specifies a table-related width."""
+
+    # the type for `w` attr is actually ST_MeasurementOrPercent, but using
+    # XsdInt for now because only dxa (twips) values are being used. It's not
+    # entirely clear what the semantics are for other values like -01.4mm
+    w: int = RequiredAttribute("w:w", XsdInt)  # pyright: ignore[reportAssignmentType]
+    type = RequiredAttribute("w:type", ST_TblWidth)
+
+    @property
+    def width(self) -> Length | None:
+        """EMU length indicated by the combined `w:w` and `w:type` attrs."""
+        if self.type != "dxa":
+            return None
+        return Twips(self.w)
+
+    @width.setter
+    def width(self, value: Length):
+        self.type = "dxa"
+        self.w = Emu(value).twips
+
+
+class CT_Tc(BaseOxmlElement):
+    """`w:tc` table cell element."""
+
+    add_p: Callable[[], CT_P]
+    get_or_add_tcPr: Callable[[], CT_TcPr]
+    p_lst: list[CT_P]
+    tbl_lst: list[CT_Tbl]
+    _insert_tbl: Callable[[CT_Tbl], CT_Tbl]
+    _new_p: Callable[[], CT_P]
+
+    # -- tcPr has many successors, `._insert_tcPr()` is overridden below --
+    tcPr: CT_TcPr | None = ZeroOrOne("w:tcPr")  # pyright: ignore[reportAssignmentType]
+    p = OneOrMore("w:p")
+    tbl = OneOrMore("w:tbl")
+
+    @property
+    def bottom(self) -> int:
+        """The row index that marks the bottom extent of the vertical span of this cell.
+
+        This is one greater than the index of the bottom-most row of the span, similar
+        to how a slice of the cell's rows would be specified.
+        """
+        if self.vMerge is not None:
+            tc_below = self._tc_below
+            if tc_below is not None and tc_below.vMerge == ST_Merge.CONTINUE:
+                return tc_below.bottom
+        return self._tr_idx + 1
+
+    def clear_content(self):
+        """Remove all content elements, preserving `w:tcPr` element if present.
+
+        Note that this leaves the `w:tc` element in an invalid state because it doesn't
+        contain at least one block-level element. It's up to the caller to add a
+        `w:p`child element as the last content element.
+        """
+        # -- remove all cell inner-content except a `w:tcPr` when present. --
+        for e in self.xpath("./*[not(self::w:tcPr)]"):
+            self.remove(e)
+
+    @property
+    def grid_offset(self) -> int:
+        """Starting offset of `tc` in the layout-grid columns of its table.
+
+        A cell in the leftmost grid-column has offset 0.
+        """
+        grid_before = self._tr.grid_before
+        preceding_tc_grid_spans = sum(
+            tc.grid_span for tc in self.xpath("./preceding-sibling::w:tc")
+        )
+        return grid_before + preceding_tc_grid_spans
+
+    @property
+    def grid_span(self) -> int:
+        """The integer number of columns this cell spans.
+
+        Determined by ./w:tcPr/w:gridSpan/@val, it defaults to 1.
+        """
+        tcPr = self.tcPr
+        return 1 if tcPr is None else tcPr.grid_span
+
+    @grid_span.setter
+    def grid_span(self, value: int):
+        tcPr = self.get_or_add_tcPr()
+        tcPr.grid_span = value
+
+    @property
+    def inner_content_elements(self) -> list[CT_P | CT_Tbl]:
+        """Generate all `w:p` and `w:tbl` elements in this document-body.
+
+        Elements appear in document order. Elements shaded by nesting in a `w:ins` or
+        other "wrapper" element will not be included.
+        """
+        return self.xpath("./w:p | ./w:tbl")
+
+    def iter_block_items(self):
+        """Generate a reference to each of the block-level content elements in this
+        cell, in the order they appear."""
+        block_item_tags = (qn("w:p"), qn("w:tbl"), qn("w:sdt"))
+        for child in self:
+            if child.tag in block_item_tags:
+                yield child
+
+    @property
+    def left(self) -> int:
+        """The grid column index at which this ``<w:tc>`` element appears."""
+        return self.grid_offset
+
+    def merge(self, other_tc: CT_Tc) -> CT_Tc:
+        """Return top-left `w:tc` element of a new span.
+
+        Span is formed by merging the rectangular region defined by using this tc
+        element and `other_tc` as diagonal corners.
+        """
+        top, left, height, width = self._span_dimensions(other_tc)
+        top_tc = self._tbl.tr_lst[top].tc_at_grid_offset(left)
+        top_tc._grow_to(width, height)
+        return top_tc
+
+    @classmethod
+    def new(cls) -> CT_Tc:
+        """A new `w:tc` element, containing an empty paragraph as the required EG_BlockLevelElt."""
+        return cast(CT_Tc, parse_xml("<w:tc %s>\n" "  <w:p/>\n" "</w:tc>" % nsdecls("w")))
+
+    @property
+    def right(self) -> int:
+        """The grid column index that marks the right-side extent of the horizontal span
+        of this cell.
+
+        This is one greater than the index of the right-most column of the span, similar
+        to how a slice of the cell's columns would be specified.
+        """
+        return self.grid_offset + self.grid_span
+
+    @property
+    def top(self) -> int:
+        """The top-most row index in the vertical span of this cell."""
+        if self.vMerge is None or self.vMerge == ST_Merge.RESTART:
+            return self._tr_idx
+        return self._tc_above.top
+
+    @property
+    def vMerge(self) -> str | None:
+        """Value of ./w:tcPr/w:vMerge/@val, |None| if w:vMerge is not present."""
+        tcPr = self.tcPr
+        if tcPr is None:
+            return None
+        return tcPr.vMerge_val
+
+    @vMerge.setter
+    def vMerge(self, value: str | None):
+        tcPr = self.get_or_add_tcPr()
+        tcPr.vMerge_val = value
+
+    @property
+    def width(self) -> Length | None:
+        """EMU length represented in `./w:tcPr/w:tcW` or |None| if not present."""
+        tcPr = self.tcPr
+        if tcPr is None:
+            return None
+        return tcPr.width
+
+    @width.setter
+    def width(self, value: Length):
+        tcPr = self.get_or_add_tcPr()
+        tcPr.width = value
+
+    def _add_width_of(self, other_tc: CT_Tc):
+        """Add the width of `other_tc` to this cell.
+
+        Does nothing if either this tc or `other_tc` does not have a specified width.
+        """
+        if self.width and other_tc.width:
+            self.width = Length(self.width + other_tc.width)
+
+    def _grow_to(self, width: int, height: int, top_tc: CT_Tc | None = None):
+        """Grow this cell to `width` grid columns and `height` rows.
+
+        This is accomplished by expanding horizontal spans and creating continuation
+        cells to form vertical spans.
+        """
+
+        def vMerge_val(top_tc: CT_Tc):
+            return (
+                ST_Merge.CONTINUE
+                if top_tc is not self
+                else None if height == 1 else ST_Merge.RESTART
+            )
+
+        top_tc = self if top_tc is None else top_tc
+        self._span_to_width(width, top_tc, vMerge_val(top_tc))
+        if height > 1:
+            tc_below = self._tc_below
+            assert tc_below is not None
+            tc_below._grow_to(width, height - 1, top_tc)
+
+    def _insert_tcPr(self, tcPr: CT_TcPr) -> CT_TcPr:
+        """Override default `._insert_tcPr()`."""
+        # -- `tcPr`` has a large number of successors, but always comes first if it appears,
+        # -- so just using insert(0, ...) rather than spelling out successors.
+        self.insert(0, tcPr)
+        return tcPr
+
+    @property
+    def _is_empty(self) -> bool:
+        """True if this cell contains only a single empty `w:p` element."""
+        block_items = list(self.iter_block_items())
+        if len(block_items) > 1:
+            return False
+        # -- cell must include at least one block item but can be a `w:tbl`, `w:sdt`,
+        # -- `w:customXml` or a `w:p`
+        only_item = block_items[0]
+        if isinstance(only_item, CT_P) and len(only_item.r_lst) == 0:
+            return True
+        return False
+
+    def _move_content_to(self, other_tc: CT_Tc):
+        """Append the content of this cell to `other_tc`.
+
+        Leaves this cell with a single empty ``<w:p>`` element.
+        """
+        if other_tc is self:
+            return
+        if self._is_empty:
+            return
+        other_tc._remove_trailing_empty_p()
+        # -- appending moves each element from self to other_tc --
+        for block_element in self.iter_block_items():
+            other_tc.append(block_element)
+        # -- add back the required minimum single empty <w:p> element --
+        self.append(self._new_p())
+
+    def _new_tbl(self) -> None:
+        raise NotImplementedError(
+            "use CT_Tbl.new_tbl() to add a new table, specifying rows and columns"
+        )
+
+    @property
+    def _next_tc(self) -> CT_Tc | None:
+        """The `w:tc` element immediately following this one in this row, or |None| if
+        this is the last `w:tc` element in the row."""
+        following_tcs = self.xpath("./following-sibling::w:tc")
+        return following_tcs[0] if following_tcs else None
+
+    def _remove(self):
+        """Remove this `w:tc` element from the XML tree."""
+        parent_element = self.getparent()
+        assert parent_element is not None
+        parent_element.remove(self)
+
+    def _remove_trailing_empty_p(self):
+        """Remove last content element from this cell if it's an empty `w:p` element."""
+        block_items = list(self.iter_block_items())
+        last_content_elm = block_items[-1]
+        if not isinstance(last_content_elm, CT_P):
+            return
+        p = last_content_elm
+        if len(p.r_lst) > 0:
+            return
+        self.remove(p)
+
+    def _span_dimensions(self, other_tc: CT_Tc) -> tuple[int, int, int, int]:
+        """Return a (top, left, height, width) 4-tuple specifying the extents of the
+        merged cell formed by using this tc and `other_tc` as opposite corner
+        extents."""
+
+        def raise_on_inverted_L(a: CT_Tc, b: CT_Tc):
+            if a.top == b.top and a.bottom != b.bottom:
+                raise InvalidSpanError("requested span not rectangular")
+            if a.left == b.left and a.right != b.right:
+                raise InvalidSpanError("requested span not rectangular")
+
+        def raise_on_tee_shaped(a: CT_Tc, b: CT_Tc):
+            top_most, other = (a, b) if a.top < b.top else (b, a)
+            if top_most.top < other.top and top_most.bottom > other.bottom:
+                raise InvalidSpanError("requested span not rectangular")
+
+            left_most, other = (a, b) if a.left < b.left else (b, a)
+            if left_most.left < other.left and left_most.right > other.right:
+                raise InvalidSpanError("requested span not rectangular")
+
+        raise_on_inverted_L(self, other_tc)
+        raise_on_tee_shaped(self, other_tc)
+
+        top = min(self.top, other_tc.top)
+        left = min(self.left, other_tc.left)
+        bottom = max(self.bottom, other_tc.bottom)
+        right = max(self.right, other_tc.right)
+
+        return top, left, bottom - top, right - left
+
+    def _span_to_width(self, grid_width: int, top_tc: CT_Tc, vMerge: str | None):
+        """Incorporate `w:tc` elements to the right until this cell spans `grid_width`.
+
+        Incorporated `w:tc` elements are removed (replaced by gridSpan value).
+
+        Raises |ValueError| if `grid_width` cannot be exactly achieved, such as when a
+        merged cell would drive the span width greater than `grid_width` or if not
+        enough grid columns are available to make this cell that wide. All content from
+        incorporated cells is appended to `top_tc`. The val attribute of the vMerge
+        element on the single remaining cell is set to `vMerge`. If `vMerge` is |None|,
+        the vMerge element is removed if present.
+        """
+        self._move_content_to(top_tc)
+        while self.grid_span < grid_width:
+            self._swallow_next_tc(grid_width, top_tc)
+        self.vMerge = vMerge
+
+    def _swallow_next_tc(self, grid_width: int, top_tc: CT_Tc):
+        """Extend the horizontal span of this `w:tc` element to incorporate the
+        following `w:tc` element in the row and then delete that following `w:tc`
+        element.
+
+        Any content in the following `w:tc` element is appended to the content of
+        `top_tc`. The width of the following `w:tc` element is added to this one, if
+        present. Raises |InvalidSpanError| if the width of the resulting cell is greater
+        than `grid_width` or if there is no next `<w:tc>` element in the row.
+        """
+
+        def raise_on_invalid_swallow(next_tc: CT_Tc | None):
+            if next_tc is None:
+                raise InvalidSpanError("not enough grid columns")
+            if self.grid_span + next_tc.grid_span > grid_width:
+                raise InvalidSpanError("span is not rectangular")
+
+        next_tc = self._next_tc
+        raise_on_invalid_swallow(next_tc)
+        assert next_tc is not None
+        next_tc._move_content_to(top_tc)
+        self._add_width_of(next_tc)
+        self.grid_span += next_tc.grid_span
+        next_tc._remove()
+
+    @property
+    def _tbl(self) -> CT_Tbl:
+        """The tbl element this tc element appears in."""
+        return cast(CT_Tbl, self.xpath("./ancestor::w:tbl[position()=1]")[0])
+
+    @property
+    def _tc_above(self) -> CT_Tc:
+        """The `w:tc` element immediately above this one in its grid column."""
+        return self._tr_above.tc_at_grid_offset(self.grid_offset)
+
+    @property
+    def _tc_below(self) -> CT_Tc | None:
+        """The tc element immediately below this one in its grid column."""
+        tr_below = self._tr_below
+        if tr_below is None:
+            return None
+        return tr_below.tc_at_grid_offset(self.grid_offset)
+
+    @property
+    def _tr(self) -> CT_Row:
+        """The tr element this tc element appears in."""
+        return cast(CT_Row, self.xpath("./ancestor::w:tr[position()=1]")[0])
+
+    @property
+    def _tr_above(self) -> CT_Row:
+        """The tr element prior in sequence to the tr this cell appears in.
+
+        Raises |ValueError| if called on a cell in the top-most row.
+        """
+        tr_aboves = self.xpath("./ancestor::w:tr[position()=1]/preceding-sibling::w:tr[1]")
+        if not tr_aboves:
+            raise ValueError("no tr above topmost tr in w:tbl")
+        return tr_aboves[0]
+
+    @property
+    def _tr_below(self) -> CT_Row | None:
+        """The tr element next in sequence after the tr this cell appears in, or |None|
+        if this cell appears in the last row."""
+        tr_lst = self._tbl.tr_lst
+        tr_idx = tr_lst.index(self._tr)
+        try:
+            return tr_lst[tr_idx + 1]
+        except IndexError:
+            return None
+
+    @property
+    def _tr_idx(self) -> int:
+        """The row index of the tr element this tc element appears in."""
+        return self._tbl.tr_lst.index(self._tr)
+
+
+class CT_TcPr(BaseOxmlElement):
+    """``<w:tcPr>`` element, defining table cell properties."""
+
+    get_or_add_gridSpan: Callable[[], CT_DecimalNumber]
+    get_or_add_tcW: Callable[[], CT_TblWidth]
+    get_or_add_vAlign: Callable[[], CT_VerticalJc]
+    _add_vMerge: Callable[[], CT_VMerge]
+    _remove_gridSpan: Callable[[], None]
+    _remove_vAlign: Callable[[], None]
+    _remove_vMerge: Callable[[], None]
+
+    _tag_seq = (
+        "w:cnfStyle",
+        "w:tcW",
+        "w:gridSpan",
+        "w:hMerge",
+        "w:vMerge",
+        "w:tcBorders",
+        "w:shd",
+        "w:noWrap",
+        "w:tcMar",
+        "w:textDirection",
+        "w:tcFitText",
+        "w:vAlign",
+        "w:hideMark",
+        "w:headers",
+        "w:cellIns",
+        "w:cellDel",
+        "w:cellMerge",
+        "w:tcPrChange",
+    )
+    tcW: CT_TblWidth | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "w:tcW", successors=_tag_seq[2:]
+    )
+    gridSpan: CT_DecimalNumber | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "w:gridSpan", successors=_tag_seq[3:]
+    )
+    vMerge: CT_VMerge | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "w:vMerge", successors=_tag_seq[5:]
+    )
+    vAlign: CT_VerticalJc | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "w:vAlign", successors=_tag_seq[12:]
+    )
+    del _tag_seq
+
+    @property
+    def grid_span(self) -> int:
+        """The integer number of columns this cell spans.
+
+        Determined by ./w:gridSpan/@val, it defaults to 1.
+        """
+        gridSpan = self.gridSpan
+        return 1 if gridSpan is None else gridSpan.val
+
+    @grid_span.setter
+    def grid_span(self, value: int):
+        self._remove_gridSpan()
+        if value > 1:
+            self.get_or_add_gridSpan().val = value
+
+    @property
+    def vAlign_val(self):
+        """Value of `w:val` attribute on  `w:vAlign` child.
+
+        Value is |None| if `w:vAlign` child is not present. The `w:val` attribute on
+        `w:vAlign` is required.
+        """
+        vAlign = self.vAlign
+        if vAlign is None:
+            return None
+        return vAlign.val
+
+    @vAlign_val.setter
+    def vAlign_val(self, value: WD_CELL_VERTICAL_ALIGNMENT | None):
+        if value is None:
+            self._remove_vAlign()
+            return
+        self.get_or_add_vAlign().val = value
+
+    @property
+    def vMerge_val(self):
+        """The value of the ./w:vMerge/@val attribute, or |None| if the w:vMerge element
+        is not present."""
+        vMerge = self.vMerge
+        if vMerge is None:
+            return None
+        return vMerge.val
+
+    @vMerge_val.setter
+    def vMerge_val(self, value: str | None):
+        self._remove_vMerge()
+        if value is not None:
+            self._add_vMerge().val = value
+
+    @property
+    def width(self) -> Length | None:
+        """EMU length in `./w:tcW` or |None| if not present or its type is not 'dxa'."""
+        tcW = self.tcW
+        if tcW is None:
+            return None
+        return tcW.width
+
+    @width.setter
+    def width(self, value: Length):
+        tcW = self.get_or_add_tcW()
+        tcW.width = value
+
+
+class CT_TrPr(BaseOxmlElement):
+    """``<w:trPr>`` element, defining table row properties."""
+
+    get_or_add_trHeight: Callable[[], CT_Height]
+
+    _tag_seq = (
+        "w:cnfStyle",
+        "w:divId",
+        "w:gridBefore",
+        "w:gridAfter",
+        "w:wBefore",
+        "w:wAfter",
+        "w:cantSplit",
+        "w:trHeight",
+        "w:tblHeader",
+        "w:tblCellSpacing",
+        "w:jc",
+        "w:hidden",
+        "w:ins",
+        "w:del",
+        "w:trPrChange",
+    )
+    gridAfter: CT_DecimalNumber | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "w:gridAfter", successors=_tag_seq[4:]
+    )
+    gridBefore: CT_DecimalNumber | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "w:gridBefore", successors=_tag_seq[3:]
+    )
+    trHeight: CT_Height | None = ZeroOrOne(  # pyright: ignore[reportAssignmentType]
+        "w:trHeight", successors=_tag_seq[8:]
+    )
+    del _tag_seq
+
+    @property
+    def grid_after(self) -> int:
+        """The number of unpopulated layout-grid cells at the end of this row."""
+        gridAfter = self.gridAfter
+        return 0 if gridAfter is None else gridAfter.val
+
+    @property
+    def grid_before(self) -> int:
+        """The number of unpopulated layout-grid cells at the start of this row."""
+        gridBefore = self.gridBefore
+        return 0 if gridBefore is None else gridBefore.val
+
+    @property
+    def trHeight_hRule(self) -> WD_ROW_HEIGHT_RULE | None:
+        """Return the value of `w:trHeight@w:hRule`, or |None| if not present."""
+        trHeight = self.trHeight
+        return None if trHeight is None else trHeight.hRule
+
+    @trHeight_hRule.setter
+    def trHeight_hRule(self, value: WD_ROW_HEIGHT_RULE | None):
+        if value is None and self.trHeight is None:
+            return
+        trHeight = self.get_or_add_trHeight()
+        trHeight.hRule = value
+
+    @property
+    def trHeight_val(self):
+        """Return the value of `w:trHeight@w:val`, or |None| if not present."""
+        trHeight = self.trHeight
+        return None if trHeight is None else trHeight.val
+
+    @trHeight_val.setter
+    def trHeight_val(self, value: Length | None):
+        if value is None and self.trHeight is None:
+            return
+        trHeight = self.get_or_add_trHeight()
+        trHeight.val = value
+
+
+class CT_VerticalJc(BaseOxmlElement):
+    """`w:vAlign` element, specifying vertical alignment of cell."""
+
+    val: WD_CELL_VERTICAL_ALIGNMENT = RequiredAttribute(  # pyright: ignore[reportAssignmentType]
+        "w:val", WD_CELL_VERTICAL_ALIGNMENT
+    )
+
+
+class CT_VMerge(BaseOxmlElement):
+    """``<w:vMerge>`` element, specifying vertical merging behavior of a cell."""
+
+    val: str | None = OptionalAttribute(  # pyright: ignore[reportAssignmentType]
+        "w:val", ST_Merge, default=ST_Merge.CONTINUE
+    )