UXML

UXML is a non-validating XML parser for Standard ML.

Taste

- open UXML.Path; infix |>;
...
- val doc = UXML.parseString "<r><c><c1/><c1/><c3>abc</c3></c><d><d1>ccc</d1>ddd</d></r>";
val doc =
  [Element
     {attributes=[],contents=[Element #,Element #],name="r",nsprefix=NONE}]
  : UXML.content list
- UXML.Path.fromDocument doc |> child "r" |> child "c" |> child "c1" |> get;
val it =
  [Element {attributes=[],contents=[],name="c1",nsprefix=NONE},
   Element {attributes=[],contents=[],name="c1",nsprefix=NONE}]
  : UXML.content list

Status

UXML can parse all valid/invalid XML files in XML W3C Conformance Test Suite except for non-UTF8 files and files including a character >= 𐀀.

UXML produces correct Canonical XML files for all valid/invalid files in the test suite as a non-validating XML processor. ('correct' here means 'it behaves same as expat')

Comparison with other XML parsers written in SML

	UXML	fxp	XML from smlnj-lib
validation against DTD	No	Yes	No
DTD recognition	Yes	Yes	No
namespace	Yes	No	No
XPath-like navigation API	Yes	No	No

Build Requirements

• an SML implementation with SML/NJ Library (smlnj-lib) and ML Language Processig Tools (ml-lpt)
• proglr command

If you do not want to install proglr, either use releases or use UXML from Smackage, since they contain files generated by proglr.

Test Requirements

• SML/NJ (with smlnj-lib and ml-lpt)
• proglr command
• autom4te command from autotools
• rehearsal command
• prove command from Perl
• xmlwf command from expat