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- Model: SectionProps.text_direction (horizontal, tbRl, btLr); unknown values read as horizontal. - DOCX: w:textDirection in w:sectPr read and written in CT_SectPr order (after w:titlePg, before w:bidi), also inside w:sectPrChange. - Layout: a vertical section is laid out on its page turned on its side (margins, page borders and columns turned with it) and each page is turned onto the real page: tbRl lines run top to bottom stacking from the right, btLr bottom to top from the left. Pictures, shapes and text boxes stay upright; headers and footers stay horizontal; a section turning the other way starts a new page. - Display: in top-to-bottom text ideographs, kana, Hangul and full-width forms stand upright (ideographic comma/full stop moved to the upper right); Latin lies on its side. Raster and PDF draw it unchanged. - Hit testing: clicks outside turned lines find the nearest turned line. - Command layout.textDirection (Layout › Page Setup › Text Direction): turns the selected cells or the text box the caret is in, else the section; ribbon menu and keytip. Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com> Co-authored-by: Brandon Thomas <echelon@gmail.com>
51 lines
2.6 KiB
Rust
51 lines
2.6 KiB
Rust
//! Section text direction (`w:textDirection` in `w:sectPr`, ECMA-376 Part 1 §17.6.20). Fixtures
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//! are hand-written from the spec.
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use std::io::{Read, Write};
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use wordcraft_doc::props::TextDirection;
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fn docx(body: &str) -> Vec<u8> {
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let root = r#"<?xml version="1.0" encoding="UTF-8"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="word/document.xml"/></Relationships>"#;
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let doc = format!(
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r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?><w:document xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main"><w:body>{body}</w:body></w:document>"#
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);
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let mut zw = zip::ZipWriter::new(std::io::Cursor::new(Vec::new()));
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for (name, bytes) in [("_rels/.rels", root.as_bytes()), ("word/document.xml", doc.as_bytes())] {
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zw.start_file(name, zip::write::SimpleFileOptions::default()).unwrap();
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zw.write_all(bytes).unwrap();
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}
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zw.finish().unwrap().into_inner()
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}
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fn document_xml(bytes: &[u8]) -> String {
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let mut z = zip::ZipArchive::new(std::io::Cursor::new(bytes)).unwrap();
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let mut s = String::new();
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z.by_name("word/document.xml").unwrap().read_to_string(&mut s).unwrap();
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s
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}
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#[test]
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fn section_text_direction_round_trips_in_schema_order() {
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// Three sections: vertical East Asian (tbRl), bottom-to-top (btLr) and a value no one knows.
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let sect = |dir: &str| format!(r#"<w:sectPr><w:titlePg/><w:textDirection w:val="{dir}"/><w:bidi/></w:sectPr>"#);
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let body = format!(
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r#"<w:p><w:pPr>{}</w:pPr><w:r><w:t>縦書き</w:t></w:r></w:p><w:p><w:pPr>{}</w:pPr><w:r><w:t>Up</w:t></w:r></w:p><w:p><w:r><w:t>Odd</w:t></w:r></w:p>{}"#,
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sect("tbRl"),
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sect("btLr"),
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sect("diagonal")
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);
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let d = wordcraft_docx::read(&docx(&body)).unwrap();
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let dirs: Vec<TextDirection> = d.sections().iter().map(|(_, s)| s.text_direction).collect();
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assert_eq!(dirs, vec![TextDirection::Down, TextDirection::Up, TextDirection::Horizontal]);
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let out = wordcraft_docx::write(&d).unwrap();
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let xml = document_xml(&out);
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// After w:titlePg and before w:bidi (CT_SectPr's sequence); a horizontal section writes none.
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assert!(xml.contains(r#"<w:titlePg/><w:textDirection w:val="tbRl"/><w:bidi/>"#), "{xml}");
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assert!(xml.contains(r#"<w:textDirection w:val="btLr"/>"#));
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assert_eq!(xml.matches("w:textDirection").count(), 2);
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let back = wordcraft_docx::read(&out).unwrap();
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let again: Vec<TextDirection> = back.sections().iter().map(|(_, s)| s.text_direction).collect();
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assert_eq!(again, dirs);
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}
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