Re: Help validating XML against an XSD?
Hi Boris, I really appreciate your help. I am now back on this effort :) Well, I have built xerces 3.0.1 on XP (3.0.1 because I use MSVC++ 6). I have the supplied existing DOMPrint project that compiles and runs as a test that I really built xerces 3.0.1. I thought just to get going I would add this new file (load-grammar-dom.cpp) to this project (since I know the project settings are correct). I should probably rename main to something else so I don't have 2 :) Unfortunately when I do this, the file will not compile. Here are the first few errors: Configuration: DOMCount - Win32 Release Compiling... Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 12.00.8804 for 80x86 Copyright (C) Microsoft Corp 1984-1998. All rights reserved. cl /G6 /MD /W3 /GX /O2 /Ob2 /I ..\..\..\..\..\src /D NDEBUG /D _CONSOLE /D WIN32 /D _WINDOWS /FR..\..\..\..\..\Build\Win32\VC6\Release\obj/ /Fo..\..\..\..\..\Build\Win32\VC6\Release\obj/ /Fd..\..\..\..\..\Build\Win32\VC6\Release\obj/ /FD /c C:\Documents and Settings\Admin\Desktop\xerces-c-3.0.1\samples\src\DOMCount\load-grammar-dom.cpp load-grammar-dom.cpp C:\Documents and Settings\Admin\Desktop\xerces-c-3.0.1\samples\src\DOMCount\load-grammar-dom.cpp(50) : error C2321: syntax error : unexpected 'DOMImplementationRegistry::getDOMImplementation' C:\Documents and Settings\Admin\Desktop\xerces-c-3.0.1\samples\src\DOMCount\load-grammar-dom.cpp(53) : error C2061: syntax error : identifier 'impl' C:\Documents and Settings\Admin\Desktop\xerces-c-3.0.1\samples\src\DOMCount\load-grammar-dom.cpp(59) : error C2061: syntax error : identifier 'parser' (etc etc) I know it must be something simple, but I'm a beginner. Can someone tell me what I've done wrong? thanks tim On 3/15/10 10:14 AM, Boris Kolpackov bo...@codesynthesis.com wrote: Hi Timothy, Stone, Timothy M tst...@ida.org writes: Hm, I've given it some offort, but cannot seem to get it going. I have a .xsd and a .xml file, and I just want to test if the XML is compliant with the XSD. Seeing that this is becoming sort of a FAQ (though without a good answer), I have written a little post plus included a couple of examples that you may find useful: http://www.codesynthesis.com/~boris/blog/2010/03/15/validating-external-schema s-xerces-cxx/ Boris -- Boris Kolpackov, Code Synthesishttp://codesynthesis.com/~boris/blog Open-source XML data binding for C++ http://codesynthesis.com/products/xsd XML data binding for embedded systems http://codesynthesis.com/products/xsde Command line interface to C++ compiler http://codesynthesis.com/projects/cli _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ Tim Stone_/ Research Programmer/Analyst _/ Institute for Defense Analyses _/ 4850 Mark Center Dr. _/ Alexandria, VA 22311 _/ (703) 845-6822 _/ There's no place like 127.0.0.1 _/ _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/
Re: Help validating XML against an XSD?
Hi Scott, Scott Cantor canto...@osu.edu writes: At least with imports, I suppose that in the absence of circular references, one could strip the import statements of their paths and preload in the order needed to resolve the imports, but that won't help with includes. This would only be necessary if schemas used absolute paths/URL to include/import other schemas. In my experience, most sane schemas use relative paths to include/import files inside the vocabulary and would only use absolute URLs to import external vocabularies. In such cases, as you suggest, loading external schemas explicitly first and then loading the dependant schemas works fairly well. Boris -- Boris Kolpackov, Code Synthesishttp://codesynthesis.com/~boris/blog Open-source XML data binding for C++ http://codesynthesis.com/products/xsd XML data binding for embedded systems http://codesynthesis.com/products/xsde Command line interface to C++ compiler http://codesynthesis.com/projects/cli - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Re: Help validating XML against an XSD?
Hi Timothy, Stone, Timothy M tst...@ida.org writes: Hm, I've given it some offort, but cannot seem to get it going. I have a .xsd and a .xml file, and I just want to test if the XML is compliant with the XSD. Seeing that this is becoming sort of a FAQ (though without a good answer), I have written a little post plus included a couple of examples that you may find useful: http://www.codesynthesis.com/~boris/blog/2010/03/15/validating-external-schemas-xerces-cxx/ Boris -- Boris Kolpackov, Code Synthesishttp://codesynthesis.com/~boris/blog Open-source XML data binding for C++ http://codesynthesis.com/products/xsd XML data binding for embedded systems http://codesynthesis.com/products/xsde Command line interface to C++ compiler http://codesynthesis.com/projects/cli - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Re: Help validating XML against an XSD?
Boris Kolpackov wrote: Hi Timothy, Stone, Timothy Mtst...@ida.org writes: Hm, I've given it some offort, but cannot seem to get it going. I have a .xsd and a .xml file, and I just want to test if the XML is compliant with the XSD. Seeing that this is becoming sort of a FAQ (though without a good answer), I have written a little post plus included a couple of examples that you may find useful: http://www.codesynthesis.com/~boris/blog/2010/03/15/validating-external-schemas-xerces-cxx/ Boris Another simple way to achieve the same is setting the fgXercesSchemaExternalSchemaLocation and fgXercesSchemaExternalNoNameSpaceSchemaLocation parameters (or using setExternalSchemaLocation and setExternalNoNamespaceSchemaLocation methods if available). Good luck! Vitaly - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
RE: Help validating XML against an XSD?
Another simple way to achieve the same is setting the fgXercesSchemaExternalSchemaLocation and fgXercesSchemaExternalNoNameSpaceSchemaLocation parameters (or using setExternalSchemaLocation and setExternalNoNamespaceSchemaLocation methods if available). If you're writing code, yes, in contrast to just trying to use the utilities as written, because they don't expose options for those settings (not that they couldn't). But it's also important to note that naively using those options won't work either, because (in what I've always considered a buggy feature, though it's probably to spec) those overrides only apply to the schema lookup *within* the XML instance being validated, and NOT to any lookup of imported schemas in the schemas you pull in. They only go one layer deep, in other words. So a complete solution (in code) really has to register an EntityResolver and fully hijack the whole mechanism in some brittle ways, unfortunately. -- Scott - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
RE: Help validating XML against an XSD?
Seeing that this is becoming sort of a FAQ (though without a good answer), I have written a little post plus included a couple of examples that you may find useful: http://www.codesynthesis.com/~boris/blog/2010/03/15/validating-external- schemas-xerces-cxx/ I think I know the answer, but is the fgXercesLoadSchema feature new in 3.x? I seem to recall finding no reliable way to prevent it from following imports in dependent schemas in the past without registering my own resolver and playing some games, so my strategy has been to register the namespace - entity mappings in various ways, rather than registering and loading schemas directly like your sample does. I suspect that still has to be done if compatibility with 2.x is required. -- Scott - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Re: Help validating XML against an XSD?
Hi, Scott Cantor canto...@osu.edu writes: Another simple way to achieve the same is setting the fgXercesSchemaExternalSchemaLocation and fgXercesSchemaExternalNoNameSpaceSchemaLocation parameters (or using setExternalSchemaLocation and setExternalNoNamespaceSchemaLocation methods if available). [...] But it's also important to note that naively using those options won't work either, because (in what I've always considered a buggy feature, though it's probably to spec) those overrides only apply to the schema lookup *within* the XML instance being validated, and NOT to any lookup of imported schemas in the schemas you pull in. They only go one layer deep, in other words. The other problem with this approach is that the resolution of the paths is relative to the document path unless they are absolute URI qualified with 'file://' or similar. So a complete solution (in code) really has to register an EntityResolver and fully hijack the whole mechanism in some brittle ways, unfortunately. If you are using a fairly-recent version of Xerces-C++ (i.e., 3.0.0 or later) then a much simpler and more robust solution is as described in the blog mentioned above. Boris -- Boris Kolpackov, Code Synthesishttp://codesynthesis.com/~boris/blog Open-source XML data binding for C++ http://codesynthesis.com/products/xsd XML data binding for embedded systems http://codesynthesis.com/products/xsde Command line interface to C++ compiler http://codesynthesis.com/projects/cli - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Re: Help validating XML against an XSD?
Hi Scott, Scott Cantor canto...@osu.edu writes: I think I know the answer, but is the fgXercesLoadSchema feature new in 3.x? Yes, it is available since 3.0.0. I seem to recall finding no reliable way to prevent it from following imports in dependent schemas in the past without registering my own resolver and playing some games, so my strategy has been to register the namespace - entity mappings in various ways, rather than registering and loading schemas directly like your sample does. fgXercesLoadSchema won't prevent loading imported/included schemas that are referenced from schemas that you explicitly load with the loadGrammar() calls. Only schemas that are specified in the XML documents. Boris -- Boris Kolpackov, Code Synthesishttp://codesynthesis.com/~boris/blog Open-source XML data binding for C++ http://codesynthesis.com/products/xsd XML data binding for embedded systems http://codesynthesis.com/products/xsde Command line interface to C++ compiler http://codesynthesis.com/projects/cli - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
RE: Help validating XML against an XSD?
I seem to recall finding no reliable way to prevent it from following imports in dependent schemas in the past without registering my own resolver and playing some games, so my strategy has been to register the namespace - entity mappings in various ways, rather than registering and loading schemas directly like your sample does. fgXercesLoadSchema won't prevent loading imported/included schemas that are referenced from schemas that you explicitly load with the loadGrammar() calls. Only schemas that are specified in the XML documents. At least with imports, I suppose that in the absence of circular references, one could strip the import statements of their paths and preload in the order needed to resolve the imports, but that won't help with includes. Oh well. Thanks for the clarification, -- Scott - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Re: Help validating XML against an XSD?
On 3/9/10 5:01 PM, Scott Cantor canto...@osu.edu wrote: I tried to turn on the functionality in the sample apps to control validation as you mentioned but could not find an argument to specify my .xsd file? Only whether or not to do schema validation. How do I plug my file into the validator, and where would I look for the errors? Badly, and on the console. Locating schemas is a mess, but in general when validating files with precompiled tools you have to use xsi:schemaLocation hints either in the document or as a command line option (when supported, I don't recall if the sample apps support that). Hm, I've given it some offort, but cannot seem to get it going. I have a .xsd and a .xml file, and I just want to test if the XML is compliant with the XSD. I tried experimenting with the count nodes sample app, but can't get it. Could you provide the command line commands I need? Real applications need to prevent schema hijacking and generally have to provide schema mapping functionality inside themselves. XML Catalogs are also a standard for this, and not one Xerces-C supports. I am trying to write an XML validator that I can hand out to other people, so I cannot write the code to do it in the actual app that creates the XML. I didn't mean that, I just meant if you weren't writing your own code, you'd have more luck with tools designed for validation. I'm starting to wonder if I can use a standalone validator and just call it from my app. The problem is I need to be able to do that from Mac, Linux, and Windows. That is why I am trying to use xerces. Any other paths you might suggest? thanks tim - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
RE: Help validating XML against an XSD?
Hm, I've given it some offort, but cannot seem to get it going. I have a .xsd and a .xml file, and I just want to test if the XML is compliant with the XSD. I tried experimenting with the count nodes sample app, but can't get it. Could you provide the command line commands I need? There's nothing about the command line that's really relevant other than the -v option to set validation to auto or always. There is no option to control schemaLocation from the command line, so your XML file needs to have an xsi:schemaLocation attribute in the root to map the namespace to the schema file or URL. e.g. xsi:schemaLocation=namespace schema.xsd -- Scott - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Help validating XML against an XSD?
Greetings, I am a bit new to the exciting world of XML validation. I have installed xerces 3.0.1 on my MSVC++ 6.0 machine. It seems to be working, I can run the sample apps. I have a local .xsd file on my machine and wish to test several .xml files to see if they adhere to the specs of the .xsd file. I cannot see how to make any of the sample apps do this. Can someone tell me what I am missing. Thanks :) tim - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
RE: Help validating XML against an XSD?
I have a local .xsd file on my machine and wish to test several .xml files to see if they adhere to the specs of the .xsd file. I cannot see how to make any of the sample apps do this. They aren't really geared for that, but most of them have an option to control validation options in the course of doing whatever they explicitly set out to do (e.g. count nodes). Using a library to do validation isn't really a good use of your time if your goal is to actually validate XML files, vs. writing code to do that inside your own applications. -- Scott - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
Re: Help validating XML against an XSD?
On 3/9/10 4:06 PM, Scott Cantor canto...@osu.edu wrote: I have a local .xsd file on my machine and wish to test several .xml files to see if they adhere to the specs of the .xsd file. I cannot see how to make any of the sample apps do this. They aren't really geared for that, but most of them have an option to control validation options in the course of doing whatever they explicitly set out to do (e.g. count nodes). Using a library to do validation isn't really a good use of your time if your goal is to actually validate XML files, vs. writing code to do that inside your own applications. -- Scott Hi Thanks for the input. I tried to turn on the functionality in the sample apps to control validation as you mentioned but could not find an argument to specify my .xsd file? Only whether or not to do schema validation. How do I plug my file into the validator, and where would I look for the errors? I am trying to write an XML validator that I can hand out to other people, so I cannot write the code to do it in the actual app that creates the XML. thanks tim - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
RE: Help validating XML against an XSD?
I tried to turn on the functionality in the sample apps to control validation as you mentioned but could not find an argument to specify my .xsd file? Only whether or not to do schema validation. How do I plug my file into the validator, and where would I look for the errors? Badly, and on the console. Locating schemas is a mess, but in general when validating files with precompiled tools you have to use xsi:schemaLocation hints either in the document or as a command line option (when supported, I don't recall if the sample apps support that). Real applications need to prevent schema hijacking and generally have to provide schema mapping functionality inside themselves. XML Catalogs are also a standard for this, and not one Xerces-C supports. I am trying to write an XML validator that I can hand out to other people, so I cannot write the code to do it in the actual app that creates the XML. I didn't mean that, I just meant if you weren't writing your own code, you'd have more luck with tools designed for validation. -- Scott - To unsubscribe, e-mail: c-dev-unsubscr...@xerces.apache.org For additional commands, e-mail: c-dev-h...@xerces.apache.org
