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xmp option to add XMP data to xml output #13

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Merged
davidcarlisle merged 5 commits into from
Feb 3, 2026
Merged

xmp option to add XMP data to xml output #13

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1f6f8a8
xmp option to add XMP data to xml output (no schema support yet)
davidcarlisle Jan 9, 2026
3ca94df
base schema, make all XMP valid
davidcarlisle Jan 9, 2026
a0b2412
validate pdfuaid:part is 1 or 2 respectively
davidcarlisle Jan 10, 2026
d1a1425
more custom elements in test suite
davidcarlisle Feb 3, 2026
37f6856
Merge branch 'develop' into xmp
davidcarlisle Feb 3, 2026
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26 changes: 25 additions & 1 deletion RelaxNG/document-pdf-ua1.rnc
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,12 @@ namespace Table = "http://iso.org/pdf/ssn/Table"
namespace List = "http://iso.org/pdf/ssn/List"
namespace Artifact = "http://iso.org/pdf/ssn/Artifact"

# XMP
namespace x = "adobe:ns:meta/"
namespace rdf = "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
namespace dc = "http://purl.org/dc/elements/1.1/"
namespace pdfuaid = "http://www.aiim.org/pdfua/ns/id/"

# XHTML Namespace, not currently used
namespace h = "http://www.w3.org/1999/xhtml"

Expand Down Expand Up @@ -40,7 +46,8 @@ pdf1rolemap-Note = attribute rolemaps-to {"Note"}
# UA-1 does not force a single document element.
start = PDF

PDF = element NoNS:PDF {StructTreeRoot}
PDF = element NoNS:PDF {StructTreeRoot,XMP?}

StructTreeRoot = element NoNS:StructTreeRoot {( Document|DocumentFragment|Part|Art|Div|Sect|TOC|Aside|BlockQuote|NonStruct|Private|P|Note|Code|Hn|H|Title|Link|Annot|Form|FENote|Index|L|Table|Figure|Formula|Artifact)*}

AssociatedFile = element NoNS:AssociatedFile {
Expand All @@ -62,8 +69,24 @@ formula-requirements = (
attribute alt {text}
)

## PDF/UA-1
pdfuaid_part = element pdfuaid:part {"1"}

## share with pdf1.7 version from here to end

# XMP data
anyelem = element * {(attribute * {text}* | text | anyelem) *}

XMP = element NoNS:XMP {x_xmpmeta & anyelem*}

x_xmpmeta = element x:xmpmeta {attribute * {text}*,(rdf_RDF & anyelem*)}

rdf_RDF= element rdf:RDF {attribute * {text}*, (rdf_Description & anyelem*)}

rdf_Description= element rdf:Description {attribute * {text}*, (pdfuaid_part & anyelem*)}

# end of XMP

textorHTML &= (Link|Reference|Strong|Code|Em|Lbl|Span|mathse|Quote|RB|Annot|Figure|Form)*

MathMLPGlobalAttributes &= showtags-attributes
Expand Down Expand Up @@ -602,3 +625,4 @@ pdf2-attributes,
(text|NonStruct|Private|Note|Code|Sub|Lbl|Em|Strong|Span|Quote|Link|Reference|Annot|Form|Ruby|Warichu|FENote|BibEntry|Figure|Formula|Artifact)*
}


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