o Zh0hy@sNdZddlZddlZddlmZddlmZmZddlm Z ddl m Z ddl m Z d d lmZid ejd ejd ejdejdejdejdejdejdejdejdejdejdejdejdejdejdejdejiZddedd DZ e !d!d"d#e"d$Z#e"d%Z$e"d&Z%d'd(Z&d)d*Z'd+d,Z( ded-d.Z)d/d0Z*d1d2Z+   dfd3d4Z, dgd5d6Z-d7d8Z.d9d:Z/d;d<Z0d=d>Z1e"d?j2fd@dAZ3dedBdCZ4dDdEZ5dFdGZ6dHdIZ7dJdKZ8dLdMZ9dNdOZ:dPdQZ;dhdSdTZdYdZZ?d[d\Z@ded]d^ZAd_d`ZBdadbZCdcddZDdS)izTurn an element tree with style into a "before layout" box tree. This includes creating anonymous boxes and processing whitespace as necessary. N)html) propertiestargets)collapse_table_borders)LOGGER)get_lang_quotes)boxesblockflowinliner )r flow-root)rr)r table)rr)r flex)rr)r grid)rr)z table-row)ztable-row-groupztable-header-groupztable-footer-group)z table-column)ztable-column-group)z table-cell)z table-captioncCsi|] }|t|dqS)i)chr).0ir[/var/www/html/rh/venv/lib/python3.10/site-packages/weasyprint/formatting_structure/build.py -sr!u　u−) -z ?z [ ]* [ ]*z[ ]+cCs,t|}t|}t|}t|}t|}|S)zDCreate anonymous boxes in box descendants according to layout rules.)anonymous_table_boxes flex_boxes grid_boxesinline_in_blockblock_in_inlineboxrrrcreate_anonymous_boxes5s r'c sht|||||}|r|\}ndfdd } t| |||||\}|d|_t|}t|}|S)z=Build a formatting structure (box tree) from an element tree.Ncs2||}|dur|krd|d<|Sd|d<|S)Nr displaynoner)element pseudo_typestyle element_tree style_forrrroot_style_forJs z2build_formatting_structure..root_style_forTN)element_to_boxcheck_pending_targetsis_for_root_elementr'set_viewport_overflow) r/r0get_image_from_uribase_urltarget_collector counter_style footnotesbox_listr&r1rr.rbuild_formatting_structure?s r=cCst|ddd||||S)Nr(r)BOX_TYPE_FROM_DISPLAY) element_tagr-contentr+rrrmake_box_srAc CsVt|jtsgS||}|d} | dkrgS|ddkr+|ddkr'd|d<nd|d<t|j|g|} |d urBd gdd gidhgf}|\} } } t||g}| t||d | _||d | _g}d |dvryt t |||||||}| || t |d||||||dr| |d| | |j}|r|tj| ||D]u}t||||||||}|r|d jddkr|d }d|jd<||||d}t|jd|g|}t||| | ||||_||_|g}| ||j}|rtj| |}|rt|dtjr|dj|j7_q||q| t |d|||||| D]}| || |s=| |q+|| _t| t|| || ||t| |rpt| jdkrp|ddkrp| jtj| d|ddkr| ddd7<||d}t|jd|g|}t|| | | ||||_| jd |t|| ||S)a!Convert an element and its children into a box with children. Return a list of boxes. Most of the time the list will have one item but may have zero or more than one. Eg.::

Some emphasised text.

gives (not actual syntax):: BlockBox[ TextBox['Some '], InlineBox[ TextBox['emphasised'], ], TextBox[' text.'], ] ``TextBox``es are anonymous inline boxes: See https://www.w3.org/TR/CSS21/visuren.html#anonymous r(r)floatfootnotefootnote_displayr r rNr first-letterz first-line list-itembeforeanchorr*z footnote-callz::footnote-callafterr list_style_positionoutsideu​zfootnote-markerz::footnote-marker) isinstancetagstrrAupdate_countersappendsetfirst_letter_stylefirst_line_stylelist marker_to_boxextendbefore_after_to_box store_targettextr TextBoxanonymous_fromr3r-content_to_boxeschildrenrCtailpopprocess_whitespaceset_content_listsprocess_text_transformleninsertrhandle_element)r+r0r7r8r9r:r;stater-r(r& quote_depthcounter_valuescounter_scopesr^ marker_boxesrZ child_element child_boxesrC call_style footnote_calltext_boxname marker_stylemarkerrrrr3ds                           r3c Cs|||}|r |dur gS|d}|dkrgS|d} | dvr!gSt|jd||g|} |\} } } t||g}d|vrOtt|||||||}|||t|| | | ||||| _|dd kru|\}} } t|| |d | ||| gS) z8Return the boxes for ::before or ::after pseudo-element.Nr(r)r@)normalinhibitr*::rFbookmark_levelr*bookmark_label) rArNrPrUrVrWr]r^compute_bookmark_label)r+r,rgr0r7r9r:r-r(r@r&rhri_counter_scopesr^rk _quote_depthrrrrXs>          rXc cs||d}g}|\} } } t|jd|||} |ddkr dS|d\} }|ddvr:|t|| | | |||nJ| d krV|||d d }|durVtj| |} || |s|d d kr| ddgd}|d }| ||}rtj | |} d| j d<|| |sdS|ddkrtj | |}d|j d<|ddkrt dd}nt dd}t j}d||fff|j d<ntj| |}|VdS)zyYield the box for ::marker pseudo-element if there is one. https://drafts.csswg.org/css-lists-3/#marker-pseudo rs::markerr(r)Nlist_style_imager@)rtruurlimage_orientationr~ orientationlist_style_typer*rFrrIzpre-wrap white_spacerKrLabsoluteposition directionltri%d translate transform)rArNrWr]r InlineReplacedBoxr\rQget render_markerr[r-BlockBoxr Dimension ZERO_PIXELS InlineBox)r+rg parent_styler0r7r9r:r-r^rhrirzr& image_typeimage counter_value counter_type marker_text marker_box translate_x translate_yrrrrV3sP                rVc. s(gtfdd}g}i}| duo| du}|jo| }jdur.dd|D_|D]O\}}|dkr>||q0|dkrg|durg|\}}|dkrOq0||jd d }|durftj|q0|d krwt |}|| q0|d kr|st d d |q0|| j| g|Rq0|dvr|d|d}dkrq0|r|t||vr|||dkr||dgd}|}n|d}| fdd||dgD}||q0|dvrt|dd|d\}}dkrq0||||}|jdkr nv|jj}|r,||vr,t|} || g}||vr,|||j}!|!||dkrK|!|dgd}|}n$|d}|ddkrYn(|d}"|" fdd|!|dgD}||q0|dkr|\}}#||||}|jdkr|j}$t |#|$}|| q0n|dkrd|| fvrd|v}%|d o| dk}&|%std|dd|d<|&r| d krt| \}'}(n| \}'}(|%r|'n|(})||)t|dt|)d|%r|dd7<q0|d!krR|s t d"d |q0| j | g|R}*|*durq0|*!}*d#|*jd$<t"|*tj#rL|*$D]}+|+jd%d&vr;q/t%|+j|+||||| | d' |+_&q/|*q0|d(kr|ds]q0tj'|d},tj(|,f}-d)|-jd*<d)|,jd*<d+|-_)|-q0sr|*||||SdS),aeCompute and return the boxes corresponding to the ``content_list``. ``parse_again`` is called to compute the ``content_list`` again when ``target_collector.lookup_target()`` detected a pending target. ``build_formatting_structure`` calls ``target_collector.check_pending_targets()`` after the first pass to do required reparsing. csTd|r(rtdtjrdj|7_dStj|dSdS)NTrI)addrMr r[rZrQr\rZ) content_boxeshas_text parent_boxrradd_texts  z&compute_content_list..add_textNcSsi|] \}}||qSr)copy)rkeyvaluerrrrsz(compute_content_list..stringr~externalrrz content()zstring()z,"string(%s)" is only allowed in page margins ) counter()z counters()rrIr*rr c3|] }|VqdSr2 render_valuerrr:rrr   z'compute_content_list..)target-counter()ztarget-counters()rz up-to-daterc3rr2rrrrrrrz target-text()quoteopenzno-autoz element()z-"element(%s)" is only allowed in page marginsstaticrr@)rtr*)contextpagezleader()prerT)+rR collectingcached_counter_valuesitemsr-rQr rr\ extract_textstriprwarningjoinget_string_set_forrUrr lookup_targetrg target_boxranchor_name_from_token setdefaultcached_page_counter_valuesrupdate startswithmaxrminrdget_running_element_fordeepcopyrM ParentBox descendantsr]r^r[r is_leadercollect_missing_counters). content_listrri css_token parse_againr9r:r7rh quote_stylelangrrr+rmissing_countersmissing_target_countersin_page_contextneed_collect_missingtype_roriginurir added_text counter_namerrZ separator anchor_tokenr target_values anchor_namelocal_countersseparator_string text_styleris_openre open_quotes close_quotesquotesnew_boxchildrp leader_boxr)rr:rrrrcompute_content_listus&                                    rc sldfdd } ddkrgS|ddd} td|| | |dd|| } | p5gS) z:Take the value of a ``content`` property and return boxes.Nc sz|duri}n|}|jg}|t|tjdkr8tjdtj r8|jd_dS|_dS)z9Closure to parse the ``parent_boxes`` children all again.Nr r) rrrrWr]rdr^rMr LineBox)mixin_pagebased_countersrlocal_childrenr:r7orig_quote_depthrr-r9rrr5s  z%content_to_boxes..parse_againr@rurrr2)r) r-rrhrir7r9r:rrrrr<rrrr]1s  r]c sd fdd }d}t|||d} | durIddd| D} jD]} | d kr>j| nq.j| fdSdS) zCParse the content-list value of ``string_name`` for ``string-set``.Ncs:|duri}n|}|jt|dS)z7Closure to parse the string-set string value all again.N)rrrcompute_string_setrrr&rr:r+ string_namer9rrr^s  z'compute_string_set..parse_againz string-set::r+css"|] }t|tjr|jVqdSr2rMr r[rZrr&rrrrrs   z%compute_string_set..rr2)rr string_setremoverQ) r+r&rrrir9r:rrr<rstring_set_tuplerrrr[s"      rc sViffdd }d}t|||d}|r)ddd|D_dSdS) z5Parses the content-list value for ``bookmark-label``.cs@|duri}n|}|}|jt|dS)z.Closure to parse the bookmark-label all again.N)rrrryrr&rr:r+r9rrrs  z+compute_bookmark_label..parse_againzbookmark-labelrrcss|]}t|VqdSr2)box_textrrrrrsz)compute_bookmark_label..N)rrrx) r+r&rrir9r:rrr<rrrry}s ryc Csjg|_|ddkr t|dD]\}\}}t|||||||q|ddkr3t|||d|||dSdS)zSet the content-lists values. These content-lists are used in GCPM properties like ``string-set`` and ``bookmark-label``. rr*rwrxN)r enumeraterry) r+r&r-rir9r:rr string_valuesrrrrbs    rbc Cs|\}}}|d}|dD]\}}||vr||n||||g|q |dD] \}}||g}|sK||vsAJ|||d||d<q/|d} | dkrdd|dvrbd g} ng} | D]$\}}||g}|s||vsxJ|||d|d|7<qfd S) z$Handle the ``counter-*`` properties.rI counter_reset counter_setrcounter_incrementrrFr()rFr N)r`rrrQ) rgr-r{rirjsibling_scopesrqrvaluesrrrrrPs6             rPz\ScCst|tjo ||j S)z9Return True if ``box`` is a TextBox with only whitespace.r)r&_has_non_whitespacerrr is_whitespacesrc#s|dur fdd}g}|D] }||r*|r&j|gd}t||Vg}|Vq||q|rAj|gd}t||VdSdS)zWrap consecutive children that do not pass ``test`` in a ``wrapper_type`` box. ``test`` defaults to children being of the same type as ``wrapper_type``. Ncs t|Sr2)rMr wrapper_typerrtests zwrap_improper..test)r^)r\table_boxes_childrenrQ)r&r^r r improperrwrapperrrr wrap_impropers    rcCs2t|tjr |r |Sdd|jD}t||S)zRemove and add boxes according to the table model. Take and return a ``Box`` object. See https://www.w3.org/TR/CSS21/tables.html#anonymous-boxes cSg|]}t|qSr)r rrrrr z)anonymous_table_boxes..)rMr r is_runningr^r r&r^rrrr s r csttjr g}n*ttjr3dd|D}|s3jdus"jdkr%d}nj}fddt|D}jrit|dkri|dd\}}|jrOt |rO| t|dkri|dd\}}|jrit |ri| dd dt dg|dd ||dddgD}ttj rt |tjd d }n ttjrt |tj}ttjrt |tj}n t |tjd d }ttjrt |tjdd }ntt |tj fdd }ttj rt|St|_S)z3Internal implementation of anonymous_table_boxes().cSsg|] }t|tjr|qSr)rMr TableColumnBoxrrrrrs  z(table_boxes_children..Nr csg|] }tjgqSr)r rr\)r_r%rrrsrrcSs2g|]\}}}|r|jr|r|jrt|s|qSr)internal_table_or_captionr)r prev_childr next_childrrrr*s    rIcSs|jSr2proper_table_childrrrr=sz&table_boxes_children..cSst|tj Sr2)rMr TableCellBoxrrrrrIscSs|j Sr2rrrrrrOcs|j p|jvSr2)rproper_parentsr) parent_typerrrTs )rMr rTableColumnGroupBoxspanrangetabular_containerrdrrr`zipTableBoxr TableRowBoxTableRowGroupBoxrrInlineTableBoxtype wrap_tablerUr^)r&r^r#internalrZr)r&r!rr sn             r c! Csg}g}g}tj|tj|tj|tj|tj|i}|D] }|t||qggd}|D] }||jd|q,t t ||tj} d} | D]} | | _ | j r\| j D] } | | _ | d7} qQqF| | j 7} qF| } t ||tj}g}d}d}|D](} | jd}|dkr|durd| _| }qs|d kr|durd| _| }qs|| qs|dur|gng||dur|gng}d}|D]v} d d | j D}| j D]a}|d}d} |j D]T}| |vr| d7} | |vs| |_ | |j}|jdkrt|d}|jdkr|}||_nt|j||_|d|jd}t| |}|D]}||q|} t| | } qq|t| j 7}q||}|j|_t| |_|jd d krJt|| ||_t|tjrUtj }ntj!}|"||d|g|d}|j|_d|_#t$j%D]} |j| |j| <t$j&| |j| <qs|S)aTake a table box and return it in its table wrapper box. Also re-order children and assign grid positions to each column and cell. Because of colspan/rowspan works, grid_y is implicitly the index of a row, but grid_x is an explicit attribute on cells, columns and column group. https://www.w3.org/TR/CSS21/tables.html#model https://www.w3.org/TR/CSS21/tables.html#table-layout )topbottom caption_siderr Nr(rTrcSsg|]}tqSr)rR)rrowrrrrszwrap_table..border_collapsecollapser.r/)'r rr"r(r)TableCaptionBoxr+rQr-rUrgrid_xr^r# is_header is_footerr`colspanrowspanrdrr$rrcopy_with_childrenrtuple column_groupsrcollapsed_border_gridrMr*InlineBlockBoxrr\is_table_wrapperrTABLE_WRAPPER_BOX_PROPERTIESINITIAL_VALUES)!r&r^columnsrows all_captionsby_typercaptionscaptionr<r5groupcolumn grid_width row_groupsbody_row_groupsheaderfooterr( grid_heightoccupied_cells_by_rowr1occupied_cells_in_this_rowcell new_grid_x max_rowspan spanned_rowsspanned_columnsoccupied_cellsrr r rqrrrr,^s                      r,cC8t|tjr |r |Sdd|jD}t|||_|S)zRemove and add boxes according to the flex model. Take and return a ``Box`` object. See https://www.w3.org/TR/css-flexbox-1/#flex-items cSrr)r!rrrrrrzflex_boxes..)rMr rrr^ flex_childrenrrrrr!  r!cCst|tjrcg}|D]V}dd|_|rd|_t|tjr%|jds%q t|tj r@tj ||j }|j |_ d|_||q t|tjr[tj ||g}|j |_ d|_||q ||q |S|S)NcSsdS)NFrrrrrrszflex_children..Tr)rMr FlexContainerBox is_floatedis_in_normal_flow is_flex_itemr[rZrr>rr\r^r-rQInlineLevelBox)r&r^rYr anonymousrrrrYs*       rYcCrX)zRemove and add boxes according to the grid model. Take and return a ``Box`` object. See https://drafts.csswg.org/css-grid-2/#grid-item cSrr)r"rrrrrrzgrid_boxes..)rMr rrr^ grid_childrenrrrrr"rZr"cCst|tjrag}|D]T}|rd|_t|tjr |jds q t|tjr;tj ||j }|j |_ d|_| |q t|tjrYtj ||g}|j |_ d|_d|_| |q | |q |S|S)NTrF)rMr GridContainerBoxr] is_grid_itemr[rZrr>rr\r^r-rQr_)r&r^rarr`rrrra s*      raFcCst|tjrW|j}|s |Std|}|jddv}|jddv}|r)td|}|r1|dd}|rQt d|}}|rK| drK|dd}d|_ | d}nd }||_n%|j D]!}t|tjtjfrut||}|rt|rt|}qZ|r{d }qZ|o| S) zFirst part of "The 'white-space' processing model". See https://www.w3.org/TR/CSS21/text.html#white-space-model https://drafts.csswg.org/css-text-3/#white-space-rules  r)rtnowraprtrezpre-linerr NTF)rMr r[rZ LINE_FEED_REsubr-TAB_REreplaceSPACE_RErleading_collapsible_spaceendswithr^rrar]r)r&following_collapsible_spacerZnew_line_collapsespace_collapse previous_textrchild_collapsible_spacerrrra=s>       racCst|tjr5|jd}|dkr"ddddtddd||j|_|jddkr3|jd d |_dSdS|sL|jD]}t|tjtj frKt |q.cSrtr2)lowerrrrrryrcSs |tSr2)r ASCII_TO_WIDErrrrr{s ) uppercase lowercase capitalizez full-widthhyphens­r) rMr r[r-rzrZrjrr^rrc)r&rsrrrrrcss,   rccCsRd}d}|D] }t|d}|s|dvrd}|}n|dkr"d}||7}q|S)uCCapitalize words according to CSS’s "text-transform: capitalize".Frr)LNTZ) unicodedatacategoryru)rZ letter_foundoutputletterrrrrrzs   rzc Cs|jr|r |St|j}|r|jdur|dj|_g}d}|D]}|r(d|_t|tjr5|js5|j}q!d}|t |q!|j durG||_ t|tj sR||_|Sg}g}|D]Y}t|tj rbJ|rn| rn||qXt|tjsz|r|s|st|tjr|jdkr|jddvs||qX|rtj ||}tj||g} || g}||qX|rtj ||}|rtj||g} || n||||_|S)aBuild the structure of lines inside blocks and return a new box tree. Consecutive inline-level boxes in a block container box are wrapped into a line box, itself wrapped into an anonymous block box. This line box will be broken into multiple lines later. This is the first case in https://www.w3.org/TR/CSS21/visuren.html#anonymous-block-level Eg.:: BlockBox[ TextBox['Some '], InlineBox[TextBox['text']], BlockBox[ TextBox['More text'], ] ] is turned into:: BlockBox[ AnonymousBlockBox[ LineBox[ TextBox['Some '], InlineBox[TextBox['text']], ] ] BlockBox[ LineBox[ TextBox['More text'], ] ] ] FrTrrrf)r^rrUrlrMr r[rZrQr#trailing_collapsible_spaceBlockContainerBoxris_absolutely_positionedr_r]r-r\r) r& box_childrenr^rrnew_line_children new_children child_boxline_boxr`rrrr#sh&             r#c Cs|jr|r |Sg}d}|jD]Y}t|tjrZt|jdks&Jd|jd} t||d\}}}|dur7ntj||g}| || t |q)|rWtj||g}n|}nt |}||urdd}| |q|ro||_|S)aBuild the structure of blocks inside lines. Inline boxes containing block-level boxes will be broken in two boxes on each side on consecutive block-level boxes, each side wrapped in an anonymous block-level box. This is the second case in https://www.w3.org/TR/CSS21/visuren.html#anonymous-block-level Eg. if this is given:: BlockBox[ LineBox[ InlineBox[ TextBox['Hello.'], ], InlineBox[ TextBox['Some '], InlineBox[ TextBox['text'] BlockBox[LineBox[TextBox['More text']]], BlockBox[LineBox[TextBox['More text again']]], ], BlockBox[LineBox[TextBox['And again.']]], ] ] ] this is returned:: BlockBox[ AnonymousBlockBox[ LineBox[ InlineBox[ TextBox['Hello.'], ], InlineBox[ TextBox['Some '], InlineBox[TextBox['text']], ] ] ], BlockBox[LineBox[TextBox['More text']]], BlockBox[LineBox[TextBox['More text again']]], AnonymousBlockBox[ LineBox[ InlineBox[ ] ] ], BlockBox[LineBox[TextBox['And again.']]], AnonymousBlockBox[ LineBox[ InlineBox[ ] ] ], ] Fr z9Line boxes should have no siblings at this stage, got %r.NT) skip_stack) r^rrMr rrd_inner_block_in_inlinerr\rQr$) r&rchangedrstacknew_liner anon new_childrrrr$s@=      r$c Cs g}d}d}d}|du}|rd}n|\\}}t|j|dD]V\}} ||} t| tjr@| r@|dus9J| }| d7} n(t| tjrSt| |} d}| \} }}n |dusYJt | } | | urcd}| | |durw| |i}| |}n q!|s||r| |}|||fS)aFind a block-level box in an inline formatting context. If one is found, return ``(new_box, block_level_box, resume_at)``. ``new_box`` contains all of ``box`` content before the block-level box. ``resume_at`` can be passed as ``skip_stack`` in a new call to this function to resume the search just after the block-level box. If no block-level box is found after the position marked by ``skip_stack``, return ``(new_box, None, None)`` NFrr T) rrr^rMr BlockLevelBoxr]rrr$rQr:) r&rrblock_level_box resume_atris_startskiprrindex recursionrrrrrksB            rcCs\|}|jdkr!|jddkr!|jD] }|jdkr |}nq|jd|_d|jd<|S)z Set a ``viewport_overflow`` attribute on the box for the root element. Like backgrounds, ``overflow`` on the root element must be propagated to the viewport. See https://www.w3.org/TR/CSS21/visufx.html#overflow roverflowvisiblebody)r?rvr-r^viewport_overflow)root_box chosen_boxrrrrr6s    r6cCs:t|tjr |jSt|tjrddd|DSdS)NrcssF|]}|jds|jds|jdst|tjr|jVqdS)z::beforez::afterr|N)r?rmrMr r[rZrrrrrs     zbox_text..)rMr r[rZrrrr%rrrrs   rcsdvrt|Sdvr"t|tjr dfdd|DSdSdkrId}d}t|}|D]}t|}|dvrB|r@|Sd }||7}q0|SdS) N)rZr@)rGrJrc3s6|]}|jdrt|tjst|VqdS)rvN)r?rmrMr rrr text_partrrrs  zextract_text..rEF)PsPePiPfPoT)rrMr rrrrr)rr&character_found first_letterrZrrrrrrs,   rr2)NNNNNNN)NN)F)E__doc__rerrrcssrr layout.tablerloggerrtext.constantsrr rrr>r'r*FlexBox InlineFlexBoxGridBox InlineGridBoxr(r)rr"rr4r>r$rwrcompilergrirkr'r=rAr3rXrVrr]rryrbrPsearchrrr r r,r!rYr"rararcrzr#r$rr6rrrrrrs              ".D ? *"' ^ 6p f5