Rust
Rust
Extract XMP MetaData as XML
See more XMP Examples
Demonstrates how to open a JPG or TIF image file and extract the XMP metadata as XML.Chilkat Rust Downloads
// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
let xmp = chilkat::Xmp::new();
// Load a JPG or TIF image file.
// Sample JPG's with XMP metadata may be found at:
// https://www.chilkatsoft.com/testData/xmp/sample1.jpg
// https://www.chilkatsoft.com/testData/xmp/sample2.jpg
// https://www.chilkatsoft.com/testData/xmp/sample3.jpg
if xmp.load_app_file("qa_data/xmp/sample1.jpg").is_err() {
println!("{}", xmp.last_error_text());
return;
}
println!("Num embedded XMP docs: {}", xmp.num_embedded());
// Assuming there is at least one, get the 1st.
// (There is typically never more than one, but theoretically it's possible.)
let Ok(xml) = xmp.get_embedded(0) else {
println!("No XMP metadata found.");
return;
};
println!("{}", xml.get_xml().unwrap_or_default());
// Sample output:
// <?xml version="1.0" encoding="utf-8"?>
// <x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="XMP toolkit 3.0-28, framework 1.6">
// <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:iX="http://ns.adobe.com/iX/1.0/">
// <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xmpPLUS="XMP Photographic Licensing Universal System (xmpPLUS, http://ns.adobe.com/xap/1.0/PLUS/)">
// <xmpPLUS:CreditLineReq>False</xmpPLUS:CreditLineReq>
// <xmpPLUS:ReuseAllowed>False</xmpPLUS:ReuseAllowed>
// </rdf:Description>
// <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:Iptc4xmpCore="http://iptc.org/std/Iptc4xmpCore/1.0/xmlns/">
// <Iptc4xmpCore:IntellectualGenre>Profile</Iptc4xmpCore:IntellectualGenre>
// <Iptc4xmpCore:Location>Lake Superior</Iptc4xmpCore:Location>
// <Iptc4xmpCore:CountryCode>US</Iptc4xmpCore:CountryCode>
// <Iptc4xmpCore:CreatorContactInfo rdf:parseType="Resource">
// <Iptc4xmpCore:CiAdrExtadr>John Doe Photography, 123 Maple Lane</Iptc4xmpCore:CiAdrExtadr>
// <Iptc4xmpCore:CiAdrCity>Champaign</Iptc4xmpCore:CiAdrCity>
// <Iptc4xmpCore:CiAdrRegion>Illinois</Iptc4xmpCore:CiAdrRegion>
// <Iptc4xmpCore:CiAdrPcode>61820</Iptc4xmpCore:CiAdrPcode>
// <Iptc4xmpCore:CiAdrCtry>USA</Iptc4xmpCore:CiAdrCtry>
// <Iptc4xmpCore:CiTelWork>+1 (217) 1234567</Iptc4xmpCore:CiTelWork>
// <Iptc4xmpCore:CiEmailWork>john@doe.com</Iptc4xmpCore:CiEmailWork>
// <Iptc4xmpCore:CiUrlWork>www.doe.com</Iptc4xmpCore:CiUrlWork>
// </Iptc4xmpCore:CreatorContactInfo>
// <Iptc4xmpCore:SubjectCode>
// <rdf:Bag>
// <rdf:li>14024001</rdf:li>
// </rdf:Bag>
// </Iptc4xmpCore:SubjectCode>
// <Iptc4xmpCore:Scene>
// <rdf:Bag>
// <rdf:li>012300</rdf:li>
// </rdf:Bag>
// </Iptc4xmpCore:Scene>
// </rdf:Description>
// <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:exif="http://ns.adobe.com/exif/1.0/">
// <exif:ColorSpace>1</exif:ColorSpace>
// <exif:PixelXDimension>288</exif:PixelXDimension>
// <exif:PixelYDimension>432</exif:PixelYDimension>
// </rdf:Description>
// <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:pdf="http://ns.adobe.com/pdf/1.3/"/>
// <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:photoshop="http://ns.adobe.com/photoshop/1.0/">
// <photoshop:AuthorsPosition>Photographer</photoshop:AuthorsPosition>
// <photoshop:Headline>Young boy yelling</photoshop:Headline>
// <photoshop:CaptionWriter>John Doe</photoshop:CaptionWriter>
// <photoshop:DateCreated>2004-08-19</photoshop:DateCreated>
// <photoshop:City>Marquette</photoshop:City>
// <photoshop:State>Michigan</photoshop:State>
// <photoshop:Country>United States</photoshop:Country>
// <photoshop:TransmissionReference>PO 34567</photoshop:TransmissionReference>
// <photoshop:Instructions>Original RAW capture Nikon D2X, Adobe RGB 1998.</photoshop:Instructions>
// <photoshop:Credit>John Doe Photography</photoshop:Credit>
// <photoshop:Source>John Doe Photography</photoshop:Source>
// <photoshop:History/>
// </rdf:Description>
// <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:tiff="http://ns.adobe.com/tiff/1.0/">
// <tiff:XResolution>72/1</tiff:XResolution>
// <tiff:YResolution>72/1</tiff:YResolution>
// <tiff:ResolutionUnit>2</tiff:ResolutionUnit>
// <tiff:Orientation>1</tiff:Orientation>
// </rdf:Description>
// <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xap="http://ns.adobe.com/xap/1.0/">
// <xap:CreateDate>2005-03-13T02:02:29-06:00</xap:CreateDate>
// <xap:ModifyDate>2005-03-13T02:02:29-06:00</xap:ModifyDate>
// <xap:MetadataDate>2005-03-13T02:02:29-06:00</xap:MetadataDate>
// <xap:CreatorTool>Adobe Photoshop CS Windows</xap:CreatorTool>
// </rdf:Description>
// <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:stRef="http://ns.adobe.com/xap/1.0/sType/ResourceRef#" xmlns:xapMM="http://ns.adobe.com/xap/1.0/mm/">
// <xapMM:DerivedFrom rdf:parseType="Resource">
// <stRef:instanceID>uuid:f5b64171-9394-11d9-bb8e-a67e6693b6e9</stRef:instanceID>
// <stRef:documentID>adobe:docid:photoshop:e4d002a4-9392-11d9-bb8e-a67e6693b6e9</stRef:documentID>
// </xapMM:DerivedFrom>
// <xapMM:DocumentID>adobe:docid:photoshop:0f410647-9396-11d9-bb8e-a67e6693b6e9</xapMM:DocumentID>
// </rdf:Description>
// <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xapRights="http://ns.adobe.com/xap/1.0/rights/">
// <xapRights:Marked>True</xapRights:Marked>
// <xapRights:WebStatement>http://www.doe.com</xapRights:WebStatement>
// <xapRights:RightsUsageTerms>
// <rdf:Alt>
// <rdf:li xml:lang="x-default">For consideration only, no reproduction without prior permission</rdf:li>
// </rdf:Alt>
// </xapRights:RightsUsageTerms>
// <xapRights:UsageTerms>
// <rdf:Alt>
// <rdf:li xml:lang="x-default">For consideration only, no reproduction without prior permission</rdf:li>
// </rdf:Alt>
// </xapRights:UsageTerms>
// </rdf:Description>
// <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:dc="http://purl.org/dc/elements/1.1/">
// <dc:format>image/jpeg</dc:format>
// <dc:description>
// <rdf:Alt>
// <rdf:li xml:lang="x-default">Three year old African American boy yells with joy on beach during vacation.</rdf:li>
// </rdf:Alt>
// </dc:description>
// <dc:title>
// <rdf:Alt>
// <rdf:li xml:lang="x-default">20040819_pe_014578d.nef</rdf:li>
// </rdf:Alt>
// </dc:title>
// <dc:rights>
// <rdf:Alt>
// <rdf:li xml:lang="x-default">�2004 John Doe, all rights reserved</rdf:li>
// </rdf:Alt>
// </dc:rights>
// <dc:creator>
// <rdf:Seq>
// <rdf:li>John Doe</rdf:li>
// </rdf:Seq>
// </dc:creator>
// <dc:subject>
// <rdf:Bag>
// <rdf:li>boy</rdf:li>
// <rdf:li>gender</rdf:li>
// <rdf:li>human beings</rdf:li>
// <rdf:li>humans</rdf:li>
// <rdf:li>lad</rdf:li>
// <rdf:li>male</rdf:li>
// <rdf:li>people</rdf:li>
// <rdf:li>3-12 years old</rdf:li>
// <rdf:li>age</rdf:li>
// <rdf:li>child</rdf:li>
// <rdf:li>youth</rdf:li>
// <rdf:li>african american</rdf:li>
// <rdf:li>african-american</rdf:li>
// <rdf:li>black</rdf:li>
// <rdf:li>ethnic</rdf:li>
// <rdf:li>ethnicity</rdf:li>
// <rdf:li>people of color</rdf:li>
// <rdf:li>race</rdf:li>
// <rdf:li>beach</rdf:li>
// <rdf:li>nature</rdf:li>
// <rdf:li>scenery</rdf:li>
// <rdf:li>emotion</rdf:li>
// <rdf:li>emotional</rdf:li>
// <rdf:li>emotions</rdf:li>
// <rdf:li>happiness</rdf:li>
// <rdf:li>happy</rdf:li>
// <rdf:li>joy</rdf:li>
// <rdf:li>joyful</rdf:li>
// <rdf:li>joyous</rdf:li>
// </rdf:Bag>
// </dc:subject>
// </rdf:Description>
// </rdf:RDF>
// </x:xmpmeta>
// You can generate parsing code using Chilkat's online tool :
// Generate Parsing Code from XML
let mut j: i32 = 0;
let mut count_j: i32 = 0;
let x_xmpmeta_xmlns_x = xml.get_attr_value("xmlns:x").unwrap_or_default();
let x_xmpmeta_x_xmptk = xml.get_attr_value("x:xmptk").unwrap_or_default();
let rdf_rdf_xmlns_rdf = xml.chilkat_path("rdf:RDF|(xmlns:rdf)").unwrap_or_default();
let rdf_rdf_xmlns_i_x = xml.chilkat_path("rdf:RDF|(xmlns:iX)").unwrap_or_default();
let mut i = 0;
let count_i = xml.num_children_having_tag("rdf:RDF|rdf:Description");
while i < count_i {
xml.set_i(i);
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(rdf:about)").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(xmlns:xmpPLUS)").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(xmlns:Iptc4xmpCore)").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(xmlns:exif)").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(xmlns:pdf)").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(xmlns:photoshop)").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(xmlns:tiff)").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(xmlns:xap)").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(xmlns:stRef)").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(xmlns:xapMM)").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(xmlns:xapRights)").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|(xmlns:dc)").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xmpPLUS:CreditLineReq").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xmpPLUS:ReuseAllowed").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:IntellectualGenre").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:Location").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CountryCode").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|(rdf:parseType)").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrExtadr").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrCity").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrRegion").unwrap_or_default();
let _ = xml.get_child_int_value("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrPcode");
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrCtry").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiTelWork").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiEmailWork").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiUrlWork").unwrap_or_default();
let _ = xml.get_child_int_value("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:SubjectCode|rdf:Bag|rdf:li");
let _ = xml.get_child_int_value("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:Scene|rdf:Bag|rdf:li");
let _ = xml.get_child_int_value("rdf:RDF|rdf:Description[i]|exif:ColorSpace");
let _ = xml.get_child_int_value("rdf:RDF|rdf:Description[i]|exif:PixelXDimension");
let _ = xml.get_child_int_value("rdf:RDF|rdf:Description[i]|exif:PixelYDimension");
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|photoshop:AuthorsPosition").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|photoshop:Headline").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|photoshop:CaptionWriter").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|photoshop:DateCreated").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|photoshop:City").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|photoshop:State").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|photoshop:Country").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|photoshop:TransmissionReference").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|photoshop:Instructions").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|photoshop:Credit").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|photoshop:Source").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|tiff:XResolution").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|tiff:YResolution").unwrap_or_default();
let _ = xml.get_child_int_value("rdf:RDF|rdf:Description[i]|tiff:ResolutionUnit");
let _ = xml.get_child_int_value("rdf:RDF|rdf:Description[i]|tiff:Orientation");
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xap:CreateDate").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xap:ModifyDate").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xap:MetadataDate").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xap:CreatorTool").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|(rdf:parseType)").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|stRef:instanceID").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|stRef:documentID").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xapMM:DocumentID").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xapRights:Marked").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xapRights:WebStatement").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|xapRights:RightsUsageTerms|rdf:Alt|rdf:li|(xml:lang)").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xapRights:RightsUsageTerms|rdf:Alt|rdf:li").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|xapRights:UsageTerms|rdf:Alt|rdf:li|(xml:lang)").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|xapRights:UsageTerms|rdf:Alt|rdf:li").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|dc:format").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|dc:description|rdf:Alt|rdf:li|(xml:lang)").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|dc:description|rdf:Alt|rdf:li").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|dc:title|rdf:Alt|rdf:li|(xml:lang)").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|dc:title|rdf:Alt|rdf:li").unwrap_or_default();
let _ = xml.chilkat_path("rdf:RDF|rdf:Description[i]|dc:rights|rdf:Alt|rdf:li|(xml:lang)").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|dc:rights|rdf:Alt|rdf:li").unwrap_or_default();
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|dc:creator|rdf:Seq|rdf:li").unwrap_or_default();
j = 0;
count_j = xml.num_children_having_tag("rdf:RDF|rdf:Description[i]|dc:subject|rdf:Bag|rdf:li");
while j < count_j {
xml.set_j(j);
let _ = xml.get_child_content("rdf:RDF|rdf:Description[i]|dc:subject|rdf:Bag|rdf:li[j]").unwrap_or_default();
j = j + 1;
}
i = i + 1;
}