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[css-ruby] Initial pass of rewriting anonymous box generation and white space rules. (Still missing trim lead/trail rules, and have to clean up white space section to match.)
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‎css-ruby/Overview.html‎

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@@ -537,8 +537,19 @@ <h3 id=box-fixup><span class=secno>2.2. </span> Anonymous Ruby Box
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those used to normalize tables</a>. <a
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href="#ref-CSS21">[CSS21]<!--{{!CSS21}}--></a>
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<ol>
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<li>Any in-flow block-level boxes directly contained by a <a
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<dl></dl>
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<head>
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<style scoped=scoped>
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dt { counter-increment: box-fixup; }
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dt::before { content: counter(box-fixup) ". "; }
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</style>
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<body>
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<dl>
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<dt id=anon-gen-inlinize>Inlinize Block-level Boxes
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<dd> Any in-flow block-level boxes directly contained by a <a
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href="#ruby-container-box"><i>ruby container</i></a>, <a
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href="#ruby-base-container-box"><i>ruby base container</i></a>, <a
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href="#ruby-annotation-container-box"><i>ruby annotation
@@ -552,32 +563,121 @@ <h3 id=box-fixup><span class=secno>2.2. </span> Anonymous Ruby Box
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‘<code class=css>inline-block</code>’. This computation occurs after
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any intermediary anonymous-box fixup (such as that required by internal
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table elements).
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<p class=issue>I'm not sure if this simplifies anything, since we might
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need to handle <a
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href="http://lists.w3.org/Archives/Public/www-style/2013Sep/0160.html">wrapping
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content</a> within ruby annotations anyway.
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<li>Any consecutive sequence of <a href="#ruby-base-box"><i>ruby
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bases</i></a> not parented by a <a
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href="#ruby-base-container-box"><i>ruby base container</i></a> is wrapped
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in an anonymous <a href="#ruby-base-container-box"><i>ruby base
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container</i></a>. Similarly, any consecutive sequence of <a
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href="#ruby-annotation-box"><i>ruby annotations</i></a> not parented by a
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<a href="#ruby-annotation-container-box"><i>ruby annotation
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<dt id=anon-gen-bare-inlines>Wrap misparented inline-level content
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<dd> Any consecutive sequence of text and inline-level boxes directly
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parented by a <a href="#ruby-container-box"><i>ruby container</i></a> or
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<a href="#ruby-base-container-box"><i>ruby base container</i></a> is
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wrapped in an anonymous <a href="#ruby-base-box"><i>ruby base</i></a>.
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Similarly, any consecutive sequence of text and inline-level boxes
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directly parented by a <a href="#ruby-annotation-container-box"><i>ruby
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annotation container</i></a> is wrapped in an anonymous <a
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href="#ruby-annotation-box"><i>ruby annotation</i></a>.
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<dt id=anon-gen-discard-space>Remove inter-level white space
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<dd> Any anonymous <a href="#ruby-base-box"><i>ruby base</i></a>
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containing only white space immediately following a box of type A and
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immediately followed by at box of its corresponding type B as defined in
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the table below is removed, as if it had ‘<code class=css>display:
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none</code>’.
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<table class=data>
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<thead>
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<tr>
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<th>A
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<th>B
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<tbody>
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<tr>
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<td><a href="#ruby-base-box"><i>ruby base</i></a> or <a
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href="#ruby-base-container-box"><i>ruby base container</i></a>
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<td><a href="#ruby-annotation-box"><i>ruby annotation</i></a> or <a
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href="#ruby-annotation-container-box"><i>ruby annotation
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container</i></a>
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<tr>
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<td><a href="#ruby-annotation-container-box"><i>ruby annotation
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container</i></a>
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<td><a href="#ruby-annotation-container-box"><i>ruby annotation
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container</i></a>
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<tr>
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<td><a href="#ruby-annotation-box"><i>ruby annotation</i></a>
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<td><a href="#ruby-annotation-container-box"><i>ruby annotation
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container</i></a>
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<tr>
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<td><a href="#ruby-annotation-container-box"><i>ruby annotation
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container</i></a>
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<td><a href="#ruby-annotation-box"><i>ruby annotation</i></a>
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</table>
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<dt id=anon-gen-interpret-space>Interpret intra-level white space
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<dd>
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<ul>
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<li>Any anonymous <a href="#ruby-base-box"><i>ruby base</i></a>
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containing only white space immediately following a <a
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href="#ruby-annotation-box"><i>ruby annotation</i></a> or <a
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href="#ruby-annotation-container-box"><i>ruby annotation
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container</i></a> and immediately followed by a <a
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href="#ruby-base-box"><i>ruby base</i></a> or <a
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href="#ruby-base-container-box"><i>ruby base container</i></a> is
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labelled as <dfn id=inter-segment-white-space>inter-segment white
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space</dfn> (and treated specially for pairing and layout, see below).
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<li>Any anonymous <a href="#ruby-base-box"><i>ruby base</i></a>
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containing only white space both immediately following and immediately
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followed by a <a href="#ruby-base-box"><i>ruby base</i></a> is labelled
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as <dfn id=inter-base-white-space>inter-base white space</dfn> (and
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treated specially for pairing and layout, see below).
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<li>Any anonymous <a href="#ruby-annotation-box"><i>ruby
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annotation</i></a> containing only white space both immediately
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following and immediately followed by a <a
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href="#ruby-annotation-box"><i>ruby annotation</i></a> is labelled as
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<dfn id=inter-annotation-white-space>inter-annotation white space</dfn>
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(and treated specially for pairing and layout, see below).
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</ul>
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<dt id=anon-gen-anon-containers>Generate anonymous level containers
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<dd> Any consecutive sequence of <a href="#ruby-base-box"><i>ruby
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bases</i></a> and <a href="#inter-base-white-space"><i>inter-base white
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space</i></a> (and not <a
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href="#inter-segment-white-space"><i>inter-segment white space</i></a>)
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not parented by a <a href="#ruby-base-container-box"><i>ruby base
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container</i></a> is wrapped in an anonymous <a
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href="#ruby-base-container-box"><i>ruby base container</i></a>.
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Similarly, any consecutive sequence of <a
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href="#ruby-annotation-box"><i>ruby annotations</i></a> and <a
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href="#inter-annotation-white-space"><i>inter-annotation white
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space</i></a> not parented by a <a
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href="#ruby-annotation-container-box"><i>ruby annotation
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container</i></a> is wrapped in an anonymous <a
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href="#ruby-annotation-container-box"><i>ruby annotation
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container</i></a>.
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<li>Within each <a href="#ruby-base-container-box"><i>ruby base
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container</i></a>, each sequence of inline-level boxes is wrapped in an
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anonymous <a href="#ruby-base-box"><i>ruby base box</i></a>. Similarly,
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within each <a href="#ruby-annotation-container-box"><i>ruby annotation
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container</i></a>, each sequence of inline-level boxes is wrapped in an
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anonymous <a href="#ruby-annotation-box"><i>ruby annotation box</i></a>.
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<dt id=anon-gen-anon-ruby>Generate anonymous ruby containers
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<li>A sequence of <a href="#ruby-base-container-box"><i>ruby base
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containers</i></a> and/or <a
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href="#ruby-annotation-container-box"><i>ruby annotation
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containers</i></a> not parented by a <a
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href="#ruby-container-box"><i>ruby container</i></a> is wrapped in an
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anonymous <a href="#ruby-container-box"><i>ruby container</i></a>.
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</ol>
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<dd> A sequence of <a href="#ruby-base-container-box"><i>ruby base
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containers</i></a>, <a href="#ruby-annotation-container-box"><i>ruby
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annotation containers</i></a>, and/or <a
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href="#inter-segment-white-space"><i>inter-segment white space</i></a>
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not parented by a <a href="#ruby-container-box"><i>ruby container</i></a>
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is wrapped in an anonymous <a href="#ruby-container-box"><i>ruby
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container</i></a>.
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</dl>
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<p>At this point, all ruby layout structures are properly parented, and the
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UA can start to associate bases with their annotations.
@@ -2341,6 +2441,15 @@ <h2 class=no-num id=index> Index</h2>
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<li>hidden ruby annotation, <a href="#hidden"
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title="section 2.4."><strong>2.4.</strong></a>
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<li>inter-annotation white space, <a href="#inter-annotation-white-space"
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title="section 2.2."><strong>2.2.</strong></a>
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<li>inter-base white space, <a href="#inter-base-white-space"
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title="section 2.2."><strong>2.2.</strong></a>
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<li>inter-segment white space, <a href="#inter-segment-white-space"
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title="section 2.2."><strong>2.2.</strong></a>
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<li>level, <a href="#level" title="section 2.3."><strong>2.3.</strong></a>
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<li>renderer, <a href="#renderer"

‎css-ruby/Overview.src.html‎

Lines changed: 93 additions & 30 deletions
Original file line numberDiff line numberDiff line change
@@ -273,36 +273,99 @@ <h3 id="box-fixup">
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Missing parts of the structure are implied through the anonymous box generation rules
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<a href="http://www.w3.org/TR/CSS21/tables.html#anonymous-boxes">similar to those used to normalize tables</a>. [[!CSS21]]
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<ol>
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<li>Any in-flow block-level boxes directly contained by a
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<i>ruby container</i>,
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<i>ruby base container</i>,
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<i>ruby annotation container</i>,
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<i>ruby base box</i>,
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or <i>ruby annotation box</i>
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are forced to be inline-level boxes,
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and their 'display' value computed accordingly.
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For example,
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the 'display' property of an in-flow element with ''display: block''
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parented by an element with ''display: ruby-text''
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computes to ''inline-block''.
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This computation occurs after any intermediary anonymous-box fixup
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(such as that required by internal table elements).
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<li>Any consecutive sequence of <i>ruby bases</i> not parented by a <i>ruby base container</i>
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is wrapped in an anonymous <i>ruby base container</i>.
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Similarly, any consecutive sequence of <i>ruby annotations</i> not parented by a <i>ruby annotation container</i>
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is wrapped in an anonymous <i>ruby annotation container</i>.
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<li>Within each <i>ruby base container</i>,
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each sequence of inline-level boxes is wrapped in an anonymous <i>ruby base box</i>.
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Similarly, within each <i>ruby annotation container</i>,
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each sequence of inline-level boxes is wrapped in an anonymous <i>ruby annotation box</i>.
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<li>A sequence of <i>ruby base containers</i> and/or <i>ruby annotation containers</i>
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not parented by a <i>ruby container</i>
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is wrapped in an anonymous <i>ruby container</i>.
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</ol>
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<dl>
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<style scoped>
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dt { counter-increment: box-fixup; }
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dt::before { content: counter(box-fixup) ". "; }
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</style>
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<dt id="anon-gen-inlinize">Inlinize Block-level Boxes
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<dd>
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Any in-flow block-level boxes directly contained by a
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<i>ruby container</i>,
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<i>ruby base container</i>,
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<i>ruby annotation container</i>,
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<i>ruby base box</i>,
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or <i>ruby annotation box</i>
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are forced to be inline-level boxes,
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and their 'display' value computed accordingly.
292+
For example,
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the 'display' property of an in-flow element with ''display: block''
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parented by an element with ''display: ruby-text''
295+
computes to ''inline-block''.
296+
This computation occurs after any intermediary anonymous-box fixup
297+
(such as that required by internal table elements).
298+
<p class="issue">I'm not sure if this simplifies anything,
299+
since we might need to handle
300+
<a href="http://lists.w3.org/Archives/Public/www-style/2013Sep/0160.html">wrapping content</a> within ruby annotations anyway.
301+
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<dt id="anon-gen-bare-inlines">Wrap misparented inline-level content
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<dd>
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Any consecutive sequence of text and inline-level boxes
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directly parented by a <i>ruby container</i> or <i>ruby base container</i>
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is wrapped in an anonymous <i>ruby base</i>.
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Similarly, any consecutive sequence of text and inline-level boxes
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directly parented by a <i>ruby annotation container</i>
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is wrapped in an anonymous <i>ruby annotation</i>.
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<dt id="anon-gen-discard-space">Remove inter-level white space
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<dd>
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Any anonymous <i>ruby base</i> containing only white space
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immediately following a box of type A
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and immediately followed by at box of its corresponding type B
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as defined in the table below
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is removed, as if it had ''display: none''.
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<table class="data">
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<thead>
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<tr><th>A
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<th>B
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<tbody>
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<tr><td><i>ruby base</i> or <i>ruby base container</i>
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<td><i>ruby annotation</i> or <i>ruby annotation container</i>
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<tr><td><i>ruby annotation container</i>
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<td><i>ruby annotation container</i>
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<tr><td><i>ruby annotation</i>
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<td><i>ruby annotation container</i>
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<tr><td><i>ruby annotation container</i>
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<td><i>ruby annotation</i>
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</table>
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<dt id="anon-gen-interpret-space">Interpret intra-level white space
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<dd>
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<ul>
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<li>Any anonymous <i>ruby base</i> containing only white space
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immediately following a <i>ruby annotation</i> or <i>ruby annotation container</i>
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and immediately followed by a <i>ruby base</i> or <i>ruby base container</i>
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is labelled as <dfn>inter-segment white space</dfn>
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(and treated specially for pairing and layout, see below).
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<li>Any anonymous <i>ruby base</i> containing only white space
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both immediately following and immediately followed by a <i>ruby base</i>
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is labelled as <dfn>inter-base white space</dfn>
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(and treated specially for pairing and layout, see below).
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<li>Any anonymous <i>ruby annotation</i> containing only white space
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both immediately following and immediately followed by a <i>ruby annotation</i>
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is labelled as <dfn>inter-annotation white space</dfn>
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(and treated specially for pairing and layout, see below).
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</ul>
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<dt id="anon-gen-anon-containers">Generate anonymous level containers
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<dd>
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Any consecutive sequence of <i>ruby bases</i> and <i>inter-base white space</i>
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(and not <i>inter-segment white space</i>)
357+
not parented by a <i>ruby base container</i>
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is wrapped in an anonymous <i>ruby base container</i>.
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Similarly, any consecutive sequence of <i>ruby annotations</i> and <i>inter-annotation white space</i>
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not parented by a <i>ruby annotation container</i>
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is wrapped in an anonymous <i>ruby annotation container</i>.
362+
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<dt id="anon-gen-anon-ruby">Generate anonymous ruby containers
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<dd>
365+
A sequence of <i>ruby base containers</i>, <i>ruby annotation containers</i>, and/or <i>inter-segment white space</i>
366+
not parented by a <i>ruby container</i>
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is wrapped in an anonymous <i>ruby container</i>.
368+
</dl>
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<p>At this point, all ruby layout structures are properly parented,
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and the UA can start to associate bases with their annotations.

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