betteroffice-docx 0.0.4

Typed native Rust facade for DOCX parsing, editing, layout, and serialization.
Documentation 
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use betteroffice_docx::{Document, LayoutInput, get_paragraph_text};

fn sample_docx() -> Vec<u8> {
    let parts = vec![
        (
            "[Content_Types].xml".to_owned(),
            br#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types"><Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/><Default Extension="xml" ContentType="application/xml"/><Override PartName="/word/document.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml"/><Override PartName="/word/header1.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.header+xml"/></Types>"#.to_vec(),
        ),
        (
            "_rels/.rels".to_owned(),
            br#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?><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>"#.to_vec(),
        ),
        (
            "word/_rels/document.xml.rels".to_owned(),
            br#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rIdHeader" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/header" Target="header1.xml"/></Relationships>"#.to_vec(),
        ),
        (
            "word/document.xml".to_owned(),
            br#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?><w:document xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" xmlns:w14="http://schemas.microsoft.com/office/word/2010/wordml" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"><w:body><w:p w14:paraId="11111111"><w:pPr><w:sectPr><w:headerReference w:type="default" r:id="rIdHeader"/></w:sectPr></w:pPr><w:r><w:t>Hello DOCX</w:t></w:r></w:p><w:tbl><w:tblGrid><w:gridCol w:w="2400"/></w:tblGrid><w:tr><w:tc><w:tcPr><w:tcW w:w="2400" w:type="dxa"/></w:tcPr><w:p w14:paraId="22222222"><w:r><w:t>Cell text</w:t></w:r></w:p></w:tc></w:tr></w:tbl><w:p w14:paraId="33333333"><w:r><w:t>Second section</w:t></w:r></w:p><w:sectPr><w:headerReference w:type="default" r:id="rIdHeader"/><w:pgSz w:w="12240" w:h="15840"/><w:pgMar w:top="1440" w:right="1440" w:bottom="1440" w:left="1440" w:header="720" w:footer="720" w:gutter="0"/></w:sectPr></w:body></w:document>"#.to_vec(),
        ),
        (
            "word/header1.xml".to_owned(),
            br#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?><w:hdr xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" xmlns:w14="http://schemas.microsoft.com/office/word/2010/wordml"><w:p w14:paraId="44444444"><w:r><w:t>Native header</w:t></w:r></w:p></w:hdr>"#.to_vec(),
        ),
    ];
    ooxml_opc::rezip_parts(&parts).unwrap()
}

#[test]
fn opens_edits_saves_and_reopens_typed_structure() {
    let mut document = Document::open(&sample_docx()).unwrap();
    let structure = document.structure();
    assert_eq!(structure.body_paragraphs, 3);
    assert_eq!(structure.body_tables, 1);
    assert_eq!(structure.sections, 2);
    assert_eq!(structure.headers, 1);
    assert_eq!(document.headers()[0].1.content.len(), 1);
    assert_eq!(
        get_paragraph_text(document.paragraph("11111111").unwrap()),
        "Hello DOCX"
    );

    let receipt = document
        .replace_paragraph_text("11111111", "Edited natively")
        .unwrap();
    assert_eq!(receipt.range.unwrap().start.para, "11111111");

    let saved = document.save().unwrap();
    let reopened = Document::open(&saved).unwrap();
    assert_eq!(reopened.structure(), structure);
    assert_eq!(
        get_paragraph_text(reopened.paragraph("11111111").unwrap()),
        "Edited natively"
    );
    assert_eq!(reopened.tables().len(), 1);
    assert_eq!(reopened.sections().len(), 2);
    assert_eq!(reopened.headers().len(), 1);
}

#[test]
fn lays_out_typed_input_and_builds_a_display_list() {
    let document = Document::open(&sample_docx()).unwrap();
    let input: LayoutInput = serde_json::from_str(include_str!(
        "../../docx-layout/tests/fixtures/single-page-multi-paragraph.input.json"
    ))
    .unwrap();
    let result = document.layout(input).unwrap();
    assert_eq!(result.layout.pages.len(), 1);
    assert_eq!(result.display_list.pages.len(), 1);
    assert!(!result.display_list.pages[0].primitives.is_empty());
}