twip 0.1.0-alpha.1

DOCX layout, editing and rendering engine.
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//! File > New: an empty document package.

/// An empty US Letter document (File > New): a complete package, so it saves as a file Word opens, with Word's
/// default Normal style (Calibri 11 pt, 8 pt after, 1.08 lines).
pub fn blank_docx() -> Vec<u8> {
    use std::io::Write;
    const W: &str = "http://schemas.openxmlformats.org/wordprocessingml/2006/main";
    const REL: &str = "http://schemas.openxmlformats.org/officeDocument/2006/relationships";
    let parts = [
        (
            "[Content_Types].xml",
            r#"<?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/styles.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.styles+xml"/></Types>"#
                .to_string(),
        ),
        (
            "_rels/.rels",
            format!(
                r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="{REL}/officeDocument" Target="word/document.xml"/></Relationships>"#
            ),
        ),
        (
            "word/_rels/document.xml.rels",
            format!(
                r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="{REL}/styles" Target="styles.xml"/></Relationships>"#
            ),
        ),
        (
            "word/styles.xml",
            format!(
                r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<w:styles xmlns:w="{W}"><w:docDefaults><w:rPrDefault><w:rPr><w:rFonts w:ascii="Calibri" w:hAnsi="Calibri" w:eastAsia="Calibri" w:cs="Calibri"/><w:sz w:val="22"/><w:szCs w:val="22"/><w:lang w:val="en-US"/></w:rPr></w:rPrDefault><w:pPrDefault><w:pPr><w:spacing w:after="160" w:line="259" w:lineRule="auto"/></w:pPr></w:pPrDefault></w:docDefaults><w:style w:type="paragraph" w:default="1" w:styleId="Normal"><w:name w:val="Normal"/><w:qFormat/></w:style><w:style w:type="character" w:default="1" w:styleId="DefaultParagraphFont"><w:name w:val="Default Paragraph Font"/><w:uiPriority w:val="1"/><w:semiHidden/><w:unhideWhenUsed/></w:style></w:styles>"#
            ),
        ),
        (
            "word/document.xml",
            format!(
                r#"<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<w:document xmlns:w="{W}" xmlns:r="{REL}"><w:body><w:p/><w:sectPr><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:cols w:space="720"/></w:sectPr></w:body></w:document>"#
            ),
        ),
    ];
    let mut zip = zip::ZipWriter::new(std::io::Cursor::new(Vec::new()));
    let opts = zip::write::SimpleFileOptions::default().compression_method(zip::CompressionMethod::Deflated);
    for (name, xml) in parts {
        zip.start_file(name, opts).expect("zip");
        zip.write_all(xml.as_bytes()).expect("zip");
    }
    zip.finish().expect("zip").into_inner()
}