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xsdcxx

Langue: en

Version: April 2010 (fedora - 01/12/10)

Section: 1 (Commandes utilisateur)

NAME

xsdcxx - W3C XML Schema to C++ Compiler

SYNOPSIS

xsdcxx command [ options ] file [ file ...] xsdcxx help [ command ] xsdcxx version

DESCRIPTION

xsdcxx generates vocabulary-specific, statically-typed C++ mapping from W3C XML Schema definitions. Particular mapping to produce is selected by a command. Each mapping has a number of mapping-specific options that should appear, if any, after the command. Input files should be W3C XML Schema definitions. The exact set of the generated files depends on the selected mapping and options.

COMMANDS

cxx-tree
Generate the C++/Tree mapping. For each input file in the form name.xsd the following C++ files are generated: name.hxx (header file), name.ixx (inline file, generated only if the --generate-inline option is specified), name.cxx (source file), and name-fwd.hxx (forward declaration file, generated only if the --generate-forward option is specified).
cxx-parser
Generate the C++/Parser mapping. For each input file in the form name.xsd the following C++ files are generated: name-pskel.hxx (parser skeleton header file), name-pskel.ixx (parser skeleton inline file, generated only if the --generate-inline option is specified), and name-pskel.cxx (parser skeleton source file). If the --generate-noop-impl or --generate-print-impl option is specified, the following additional sample implementation files are generated: name-pimpl.hxx (parser implementation header file) and name-pimpl.cxx (parser implementation source file). If the --generate-test-driver option is specified, the additional name-driver.cxx test driver file is generated.
help
Print usage information and exit. Use
xsdcxx help command

for command-specific help.

version
Print version and exit.

OPTIONS

Command-specific options, if any, should appear after the corresponding command.

common options

--char-type type
Generate code using the provided character type instead of the default char. Valid values are char and wchar_t.
--char-encoding enc
Specify the character encoding that should be used in the generated code. Valid values for the char character type are utf8 (default), iso8859-1,lcp (Xerces-C++ local code page), and custom. If you pass custom as the value then you will need to include the transcoder implementation header for your encoding at the beginning of the generated header files (see the --hxx-prologue option).

For the wchar_t character type the only valid value is auto and the encoding is automatically selected between UTF-16 and UTF-32/UCS-4, depending on the wchar_t type size.

--output-dir dir
Write generated files to dir instead of the current directory.
--namespace-map xns=cns
Map XML Schema namespace xns to C++ namespace cns. Repeat this option to specify mapping for more than one XML Schema namespace. For example, the following option:

--namespace-map http://example.com/foo/bar=foo::bar

will map the http://example.com/foo/bar XML Schema namespace to the foo::bar C++ namespace.

--namespace-regex regex
Add regex to the list of regular expressions used to translate XML Schema namespace names to C++ namespace names. regex is a perl-like regular expression in the form /pattern/replacement/. Any character can be used as a delimiter instead of /. Escaping of the delimiter character in pattern or replacement is not supported.

All the regular expressions are pushed into a stack with the last specified expression considered first. The first match that succeeds is used. Regular expressions are applied to a string in the form

filename namespace

For example, if you have file hello.xsd with namespace http://example.com/hello and you run xsdcxx on this file, then the string in question will be:

hello.xsd. http://example.com/hello

For the built-in XML Schema namespace the string is:

XMLSchema.xsd http://www.w3.org/2001/XMLSchema

The following three steps are performed for each regular expression until the match is found:

1.
The expression is applied and if the result is empty the next expression is considered.
2.
All / are replaced with ::.
3.
The result is verified to be a valid C++ scope name (e.g., foo::bar). If this test succeeds, the result is used as a C++ namespace name.

As an example, the following expression maps XML Schema namespaces in the form http://example.com/foo/bar to C++ namespaces in the form foo::bar:

%.* http://example.com/(.+)%$1%

See also the REGEX AND SHELL QUOTING section below.

--namespace-regex-trace
Trace the process of applying regular expressions specified with the --namespace-regex option. Use this option to find out why your regular expressions don't do what you expected them to do.
--reserved-name name[=rep]
Add name to the list of names that should not be used as identifiers. The name can optionally be followed by = and the replacement name that should be used instead. All the C++ keywords are already in this list.
--include-with-brackets
Use angle brackets (<>) instead of quotes ("") in generated #include directives.
--include-prefix prefix
Add prefix to generated #include directive paths.

For example, if you had the following import element in your schema

<import namespace=... schemaLocation=base.xsd/>

and compiled this fragment with --include-prefix schemas/, then the include directive in the generated code would be:

#include schemas/base.hxx

--include-regex regex
Add regex to the list of regular expressions used to transform #include directive paths. regex is a perl-like regular expression in the form /pattern/replacement/. Any character can be used as a delimiter instead of /. Escaping of the delimiter character in pattern or replacement is not supported.

All the regular expressions are pushed into a stack with the last specified expression considered first. The first match that succeeds is used.

As an example, the following expression transforms paths in the form schemas/foo/bar to paths in the form generated/foo/bar:

%schemas/(.+)%generated/$1%

See also the REGEX AND SHELL QUOTING section below.

--include-regex-trace
Trace the process of applying regular expressions specified with the --include-regex option. Use this option to find out why your regular expressions don't do what you expected them to do.
--guard-prefix prefix
Add prefix to generated header inclusion guards. The prefix is transformed to upper case and characters that are illegal in a preprocessor macro name are replaced with underscores. If this option is not specified then the directory part of the input schema file is used as a prefix.
--hxx-suffix suffix
Use the provided suffix instead of the default .hxx to construct the name of the header file. Note that this suffix is also used to construct names for included/imported schemas.
--ixx-suffix suffix
Use the provided suffix instead of the default .ixx to construct the name of the inline file.
--cxx-suffix suffix
Use the provided suffix instead of the default .cxx to construct the name of the source file.
--hxx-regex regex
Use the provided expression to construct the name of the header file. regex is a perl-like regular expression in the form /pattern/replacement/. Note that this expression is also used to construct names for included/imported schemas. See also the REGEX AND SHELL QUOTING section below.
--ixx-regex regex
Use the provided expression to construct the name of the inline file. regex is a perl-like regular expression in the form /pattern/replacement/. See also the REGEX AND SHELL QUOTING section below.
--cxx-regex regex
Use the provided expression to construct the name of the source file. regex is a perl-like regular expression in the form /pattern/replacement/. See also the REGEX AND SHELL QUOTING section below.
--hxx-prologue text
Insert text at the beginning of the header file.
--ixx-prologue text
Insert text at the beginning of the inline file.
--cxx-prologue text
Insert text at the beginning of the source file.
--prologue text
Insert text at the beginning of each generated file for which there is no file-specific prologue.
--hxx-epilogue text
Insert text at the end of the header file.
--ixx-epilogue text
Insert text at the end of the inline file.
--cxx-epilogue text
Insert text at the end of the source file.
--epilogue text
Insert text at the end of each generated file for which there is no file-specific epilogue.
--hxx-prologue-file file
Insert the content of the file at the beginning of the header file.
--ixx-prologue-file file
Insert the content of the file at the beginning of the inline file.
--cxx-prologue-file file
Insert the content of the file at the beginning of the source file.
--prologue-file file
Insert the content of the file at the beginning of each generated file for which there is no file-specific prologue file.
--hxx-epilogue-file file
Insert the content of the file at the end of the header file.
--ixx-epilogue-file file
Insert the content of the file at the end of the inline file.
--cxx-epilogue-file file
Insert the content of the file at the end of the source file.
--epilogue-file file
Insert the content of the file at the end of each generated file for which there is no file-specific epilogue file.
--custom-literals file
Load custom XML string to C++ literal mappings from file. This mechanism can be useful if you are using a custom character encoding and some of the strings in your schemas, for example element/attribute names or enumeration values, contain non-ASCII characters. In this case you will need to provide a custom mapping to C++ literals for such strings. The format of this file is specified in the custom-literals.xsd XML Schema file that can be found in the documentation directory.
--export-symbol symbol
Insert symbol in places where DLL export/import control statements ( __declspec(dllexport/dllimport)) are necessary.
--export-xml-schema
Export/import types in the XML Schema namespace using the export symbol provided with the --export-symbol option. The XSD_NO_EXPORT macro can be used to omit this code during C++ compilation, which may be useful if you would like to use the same generated code across multiple platforms.
--export-maps
Export polymorphism support maps from a Win32 DLL into which this generated code is linked. This is necessary when your type hierarchy is split across several DLLs since otherwise each DLL will have its own set of maps. In this situation the generated code for the DLL which contains base types and/or substitution group heads should be compiled with this option and the generated code for all other DLLs should be compiled with --import-maps. This option is only valid together with --generate-polymorphic. The XSD_NO_EXPORT macro can be used to omit this code during C++ compilation, which may be useful if you would like to use the same generated code across multiple platforms.
--import-maps
Import polymorphism support maps to a Win32 DLL or executable into which this generated code is linked. See the --export-maps option documentation for details. This option is only valid together with --generate-polymorphic. The XSD_NO_EXPORT macro can be used to omit this code during C++ compilation, which may be useful if you would like to use the same generated code across multiple platforms.
--disable-warning warn
Disable printing warning with id warn. If all is specified for the warning id then all warnings are disabled.
--show-sloc
Show the number of generated physical source lines of code (SLOC).
--sloc-limit num
Check that the number of generated physical source lines of code (SLOC) does not exceed num.
--options-file file
Read additional options from file. Each option should appear on a separate line optionally followed by space and an argument. Empty lines and lines starting with # are ignored. The semantics of providing options in a file is equivalent to providing the same set of options in the same order in the command line at the point where the --options-file option is specified except that shell escaping and quoting is not required. Repeat this option to specify more than one options files.
--proprietary-license
Indicate that the generated code is licensed under a proprietary license instead of the GPL.
--preserve-anonymous
Preserve anonymous types. By default anonymous types are automatically named with names derived from the enclosing elements/attributes. Because mappings implemented by this compiler require all types to be named, this option is only useful if you want to make sure your schemas don't have anonymous types.
--show-anonymous
Show elements and attributes that are of anonymous types. This option only makes sense together with the --preserve-anonymous option.
--anonymous-regex regex
Add regex to the list of regular expressions used to derive names for anonymous types from the enclosing attributes/elements. regex is a perl-like regular expression in the form /pattern/replacement/. Any character can be used as a delimiter instead of /. Escaping of the delimiter character in pattern or replacement is not supported.

All the regular expressions are pushed into a stack with the last specified expression considered first. The first match that succeeds is used. Regular expressions are applied to a string in the form

filename namespace xpath

For instance:

hello.xsd http://example.com/hello element

hello.xsd http://example.com/hello type/element

As an example, the following expression makes all the derived names start with capital letters. This could be useful when your naming convention requires type names to start with capital letters:

%.* .* (.+/)*(.+)%\\u$2%

See also the REGEX AND SHELL QUOTING section below.

--anonymous-regex-trace
Trace the process of applying regular expressions specified with the --anonymous-regex option. Use this option to find out why your regular expressions don't do what you expected them to do.
--location-map ol=nl
Map the original schema location ol that is specified in the XML Schema include or import elements to new schema location nl. Repeat this option to map more than one schema location. For example, the following option maps the http://example.com/foo.xsd URL to the foo.xsd local file.

--location-map http://example.com/foo.xsd=foo.xsd

--location-regex regex
Add regex to the list of regular expressions used to map schema locations that are specified in the XML Schema include or import elements. regex is a perl-like regular expression in the form /pattern/replacement/. Any character can be used as a delimiter instead of /. Escaping of the delimiter character in pattern or replacement is not supported. All the regular expressions are pushed into a stack with the last specified expression considered first. The first match that succeeds is used.

For example, the following expression maps URL locations in the form http://example.com/foo/bar.xsd to local files in the form bar.xsd:

%http://.+/(.+)%$1%

See also the REGEX AND SHELL QUOTING section below.

--location-regex-trace
Trace the process of applying regular expressions specified with the --location-regex option. Use this option to find out why your regular expressions don't do what you expected them to do.
--file-per-type
Generate a separate set of C++ files for each type defined in XML Schema. Note that in this mode you only need to compile the root schema(s) and the code will be generated for all included and imported schemas. This compilation mode is primarily useful when some of your schemas cannot be compiled separately or have cyclic dependencies which involve type inheritance. Other options related to this mode are: --type-file-regex, --schema-file-regex, and --file-list.
--type-file-regex regex
Add regex to the list of regular expressions used to translate type names to file names when the --file-per-type option is specified. regex is a perl-like regular expression in the form /pattern/replacement/. Any character can be used as a delimiter instead of /. Escaping of the delimiter character in pattern or replacement is not supported. All the regular expressions are pushed into a stack with the last specified expression considered first. The first match that succeeds is used. Regular expressions are applied to a string in the form

namespace type-name

For example, the following expression maps type foo that is defined in the http://example.com/bar namespace to file name bar-foo:

%http://example.com/(.+) (.+)%$1-$2%

See also the REGEX AND SHELL QUOTING section below.

--type-file-regex-trace
Trace the process of applying regular expressions specified with the --type-file-regex option. Use this option to find out why your regular expressions don't do what you expected them to do.
--schema-file-regex regex
Add regex to the list of regular expressions used to translate schema file names when the --file-per-type option is specified. regex is a perl-like regular expression in the form /pattern/replacement/. Any character can be used as a delimiter instead of /. Escaping of the delimiter character in pattern or replacement is not supported. All the regular expressions are pushed into a stack with the last specified expression considered first. The first match that succeeds is used. Regular expressions are applied to the absolute filesystem path of a schema file and the result, including the directory part, if any, is used to derive the #include directive paths as well as the generated C++ file paths. This option, along with --type-file-regex are primarily used to place the generated files into subdirectories or to resolve file name conflicts.

For example, the following expression maps schema files in the foo/1.0.0/ subdirectory to the files in the foo/ subdirectory. As a result, the #include directive paths for such schemas will be in the foo/schema.hxx form and the generated C++ files will be placed into the foo/ subdirectory:

%.*/foo/1.0.0/(.+)%foo/$1%

See also the REGEX AND SHELL QUOTING section below.

--schema-file-regex-trace
Trace the process of applying regular expressions specified with the --schema-file-regex option. Use this option to find out why your regular expressions don't do what you expected them to do.
--file-list file
Write a list of generated C++ files to file. This option is primarily useful in the file-per-type compilation mode (--file-per-type) to create a list of generated C++ files, for example, as a makefile fragment.
--file-list-prologue text
Insert text at the beginning of the file list. As a convenience, all occurrences of the \n character sequence in text are replaced with new lines. This option can, for example, be used to assign the generated file list to a makefile variable.
--file-list-epilogue text
Insert text at the end of the file list. As a convenience, all occurrences of the \n character sequence in text are replaced with new lines.
--file-list-delim text
Delimit file names written to the file list with text instead of new lines. As a convenience, all occurrences of the \n character sequence in text are replaced with new lines.

cxx-tree command options

--generate-polymorphic
Generate polymorphism-aware code. Specify this option if you use substitution groups or xsi:type. Use the --polymorphic-type or --polymorphic-type-all option to specify which type hierarchies are polymorphic.
--polymorphic-type type
Indicate that type is a root of a polymorphic type hierarchy. The compiler can often automatically determine which types are polymorphic based on the substitution group declarations. However, you may need to use this option if you are not using substitution groups or if substitution groups are defined in another schema. You need to specify this option when compiling every schema file that references type. The type argument is an XML Schema type name that can be optionally qualified with a namespace in the namespace#name form.
--polymorphic-type-all
Indicate that all types should be treated as polymorphic.
--generate-serialization
Generate serialization functions. Serialization functions convert the object model back to XML.
--generate-inline
Generate simple functions inline. This option triggers creation of the inline file.
--generate-ostream
Generate ostream insertion operators (operator<<) for generated types. This allows to easily print a fragment or the whole object model for debugging or logging.
--generate-doxygen
Generate documentation comments suitable for extraction by the Doxygen documentation system. Documentation from annotations is added to the comments if present in the schema.
--generate-comparison
Generate comparison operators (operator== and operator!=) for complex types. Comparison is performed memberwise.
--generate-default-ctor
Generate default constructors even for types that have required members. Required members of an instance constructed using such a constructor are not initialized and accessing them results in undefined behavior.
--generate-from-base-ctor
Generate constructors that expect an instance of a base type followed by all required members.
--generate-detach
Generate detach functions for required elements and attributes (detach functions for optional and sequence cardinalities are provided by the respective containers). These functions, for example, allow you to move sub-trees in the object model either within the same tree or between different trees.
--generate-wildcard
Generate accessors and modifiers as well as parsing and serialization code for XML Schema wildcards (any and anyAttribute). XML content matched by wildcards is presented as DOM fragments. Note that you need to initialize the Xerces-C++ runtime if you are using this option.
--generate-insertion os
Generate data representation stream insertion operators for the os output stream type. Repeat this option to specify more than one stream type. The ACE CDR stream (ACE_OutputCDR) and RPC XDR are recognized by the compiler and the necessary #include directives are automatically generated. For custom stream types use the --hxx-prologue* options to provide the necessary declarations.
--generate-extraction is
Generate data representation stream extraction constructors for the is input stream type. Repeat this option to specify more than one stream type. The ACE CDR stream (ACE_InputCDR) and RPC XDR are recognized by the compiler and the necessary #include directives are automatically generated. For custom stream types use the --hxx-prologue* options to provide the necessary declarations.
--generate-forward
Generate a separate header file with forward declarations for the types being generated.
--generate-xml-schema
Generate a C++ header file as if the schema being compiled defines the XML Schema namespace. In particular, the resulting file will have definitions for all XML Schema built-in types. The schema file provided to the compiler need not exist and is only used to derive the name of the resulting header file. Use the --extern-xml-schema option to include this file in the generated files for other schemas.
--extern-xml-schema file
Include a header file derived from file instead of generating the XML Schema namespace mapping inline. The provided file need not exist and is only used to derive the name of the included header file. Use the --generate-xml-schema option to generate this header file.
--suppress-parsing
Suppress the generation of the parsing functions and constructors. Use this option to reduce the generated code size when parsing from XML is not needed.
--generate-element-type
Generate types instead of parsing and serialization functions for root elements. This is primarily useful to distinguish object models with the same root type but with different root elements.
--generate-element-map
Generate a root element map that allows uniform parsing and serialization of multiple root elements. This option is only valid together with --generate-element-type.
--generate-intellisense
Generate workarounds for IntelliSense bugs in Visual Studio 2005 (8.0). When this option is used, the resulting code is slightly more verbose. IntelliSense in Visual Studio 2008 (9.0) does not require these workarounds. Support for IntelliSense in Visual Studio 2003 (7.1) is improved with this option but is still incomplete.
--omit-default-attributes
Omit attributes with default and fixed values from serialized XML documents.
--type-naming style
Specify the type naming convention that should be used in the generated code. Valid styles are knr (default), ucc, and java. See the NAMING CONVENTION section below for more information.
--function-naming style
Specify the function naming convention that should be used in the generated code. Valid styles are knr (default), lcc, and java. See the NAMING CONVENTION section below for more information.
--type-regex regex
Add regex to the list of regular expressions used to translate XML Schema type names to C++ type names. See the NAMING CONVENTION section below for more information.
--accessor-regex regex
Add regex to the list of regular expressions used to translate XML Schema names of elements/attributes to C++ accessor function names. See the NAMING CONVENTION section below for more information.
--one-accessor-regex regex
Add regex to the list of regular expressions used to translate XML Schema names of elements/attributes with cardinality one to C++ accessor function names. See the NAMING CONVENTION section below for more information.
--opt-accessor-regex regex
Add regex to the list of regular expressions used to translate XML Schema names of elements/attributes with cardinality optional to C++ accessor function names. See the NAMING CONVENTION section below for more information.
--seq-accessor-regex regex
Add regex to the list of regular expressions used to translate XML Schema names of elements/attributes with cardinality sequence to C++ accessor function names. See the NAMING CONVENTION section below for more information.
--modifier-regex regex
Add regex to the list of regular expressions used to translate XML Schema names of elements/attributes to C++ modifier function names. See the NAMING CONVENTION section below for more information.
--one-modifier-regex regex
Add regex to the list of regular expressions used to translate XML Schema names of elements/attributes with cardinality one to C++ modifier function names. See the NAMING CONVENTION section below for more information.
--opt-modifier-regex regex
Add regex to the list of regular expressions used to translate XML Schema names of elements/attributes with cardinality optional to C++ modifier function names. See the NAMING CONVENTION section below for more information.
--seq-modifier-regex regex
Add regex to the list of regular expressions used to translate XML Schema names of elements/attributes with cardinality sequence to C++ modifier function names. See the NAMING CONVENTION section below for more information.
--parser-regex regex
Add regex to the list of regular expressions used to translate XML Schema element names to C++ parsing function names. See the NAMING CONVENTION section below for more information.
--serializer-regex regex
Add regex to the list of regular expressions used to translate XML Schema element names to C++ serialization function names. See the NAMING CONVENTION section below for more information.
--enumerator-regex regex
Add regex to the list of regular expressions used to translate XML Schema enumeration values to C++ enumerator names. See the NAMING CONVENTION section below for more information.
--element-type-regex regex
Add regex to the list of regular expressions used to translate XML Schema element names to C++ element type names. See the NAMING CONVENTION section below for more information.
--name-regex-trace
Trace the process of applying regular expressions specified with the name transformation options. Use this option to find out why your regular expressions don't do what you expected them to do.
--root-element-first
Treat only the first global element as a document root. By default all global elements are considered document roots.
--root-element-last
Treat only the last global element as a document root. By default all global elements are considered document roots.
--root-element-all
Treat all global elements as document roots. This is the default behavior. By explicitly specifying this option you can suppress the warning that is issued if more than one global element is defined.
--root-element-none
Do not treat any global elements as document roots. By default all global elements are considered document roots.
--root-element element
Treat only element as a document root. Repeat this option to specify more than one root element.
--custom-type name[=type[/base]]
Use a custom C++ type type instead of the generated class for XML Schema type name. If type is not present or empty then the custom type is assumed to have the same name and be defined in the same namespace as the generated class would have. If base is specified then the generated class is still generated but with that name.
--custom-type-regex /name-pat/[type-sub/[base-sub/]]
For each type defined in XML Schema that matches the name-pat pattern use a custom C++ type instead of the generated class. The name of the custom type is obtained by substituting type-sub. If type-sub is not present or its substitution results in an empty string then the custom type is assumed to have the same name and be defined in the same namespace as the generated class would have. If base-sub is present and its substitution results in a non-empty string then the generated class is still generated but with the result of substitution as its name. The pattern and substitutions are in the perl regular expression format. See also the REGEX AND SHELL QUOTING section below.
--fwd-suffix suffix
Use the provided suffix instead of the default -fwd.hxx to construct the name of the forward declaration file.
--fwd-regex regex
Use the provided expression to construct the name of the forward declaration file. regex is a perl-like regular expression in the form /pattern/replacement/. See also the REGEX AND SHELL QUOTING section below.
--fwd-prologue text
Insert text at the beginning of the forward declaration file.
--fwd-epilogue text
Insert text at the end of the forward declaration file.
--fwd-prologue-file file
Insert the content of the file at the beginning of the forward declaration file.
--fwd-epilogue-file file
Insert the content of the file at the end of the forward declaration file.
--parts num
Split generated source code into num parts. This is useful when translating large, monolithic schemas and a C++ compiler is not able to compile the resulting source code at once (usually due to insufficient memory).
--parts-suffix suffix
Use suffix instead of the default '-' to separate the file name from the part number.

cxx-parser command options

--type-map mapfile
Read XML Schema to C++ type mapping information from mapfile Repeat this option to specify several type maps. Type maps are considered in order of appearance and the first match is used. By default all user-defined types are mapped to void. See the TYPE MAP section below for more information.
--xml-parser parser
Use parser as the underlying XML parser. Valid values are xerces for Xerces-C++ (default) and expat for Expat.
--generate-inline
Generate simple functions inline. This option triggers creation of the inline file.
--generate-validation
Generate validation code ("perfect" parser) which ensures that instance documents conform to the schema. Validation code is generated by default when the selected underlying XML parser is non-validating (expat).
--suppress-validation
Suppress the generation of validation code ("perfect" parser). Validation is suppressed by default when the selected underlying XML parser is validating (xerces).
--generate-polymorphic
Generate polymorphism-aware code. Specify this option if you use substitution groups or xsi:type.
--generate-noop-impl
Generate a sample parser implementation that does nothing (no operation). The sample implementation can then be filled with the application-specific code. For an input file in the form name.xsd this option triggers the generation of the two additional C++ files in the form: name-pimpl.hxx (parser implementation header file) and name-pimpl.cxx (parser implementation source file).
--generate-print-impl
Generate a sample parser implementation that prints the XML data to STDOUT. For an input file in the form name.xsd this option triggers the generation of the two additional C++ files in the form: name-pimpl.hxx (parser implementation header file) and name-pimpl.cxx (parser implementation source file).
--generate-test-driver
Generate a test driver for the sample parser implementation. For an input file in the form name.xsd this option triggers the generation of an additional C++ file in the form name-driver.cxx.
--force-overwrite
Force overwriting of the existing implementation and test driver files. Use this option only if you do not mind loosing the changes you have made in the sample implementation or test driver files.
--root-element-first
Indicate that the first global element is the document root. This information is used to generate the test driver for the sample implementation.
--root-element-last
Indicate that the last global element is the document root. This information is used to generate the test driver for the sample implementation.
--root-element element
Indicate that element is the document root. This information is used to generate the test driver for the sample implementation.
--generate-xml-schema
Generate a C++ header file as if the schema being compiled defines the XML Schema namespace. In particular, the resulting file will have definitions for all parser skeletons and implementations corresponding to the XML Schema built-in types. The schema file provided to the compiler need not exist and is only used to derive the name of the resulting header file. Use the --extern-xml-schema option to include this file in the generated files for other schemas.
--extern-xml-schema file
Include a header file derived from file instead of generating the XML Schema namespace mapping inline. The provided file need not exist and is only used to derive the name of the included header file. Use the --generate-xml-schema option to generate this header file.
--skel-type-suffix suffix
Use the provided suffix instead of the default _pskel to construct the names of generated parser skeletons.
--skel-file-suffix suffix
Use the provided suffix instead of the default -pskel to construct the names of generated parser skeleton files.
--impl-type-suffix suffix
Use the provided suffix instead of the default _pimpl to construct the names of parser implementations for the built-in XML Schema types and sample parser implementations.
--impl-file-suffix suffix
Use the provided suffix instead of the default -pimpl to construct the names of generated sample parser implementation files.

NAMING CONVENTION

The compiler can be instructed to use a particular naming convention in the generated code. A number of widely-used conventions can be selected using the --type-naming and --function-naming options. A custom naming convention can be achieved using the --type-regex, --accessor-regex, --one-accessor-regex, --opt-accessor-regex, --seq-accessor-regex, --modifier-regex, --one-modifier-regex, --opt-modifier-regex, --seq-modifier-regex, --parser-regex, --serializer-regex, --enumerator-regex, and --element-type-regex options.

The --type-naming option specifies the convention that should be used for naming C++ types. Possible values for this option are knr (default), ucc, and java. The knr value (stands for K&R) signifies the standard, lower-case naming convention with the underscore used as a word delimiter, for example: foo, foo_bar. The ucc (stands for upper-camel-case) and java values a synonyms for the same naming convention where the first letter of each word in the name is capitalized, for example: Foo, FooBar.

Similarly, the --function-naming option specifies the convention that should be used for naming C++ functions. Possible values for this option are knr (default), lcc, and java. The knr value (stands for K&R) signifies the standard, lower-case naming convention with the underscore used as a word delimiter, for example: foo(), foo_bar(). The lcc value (stands for lower-camel-case) signifies a naming convention where the first letter of each word except the first is capitalized, for example: foo(), fooBar(). The java naming convention is similar to the lower-camel-case one except that accessor functions are prefixed with get, modifier functions are prefixed with set, parsing functions are prefixed with parse, and serialization functions are prefixed with serialize, for example: getFoo(), setFooBar(), parseRoot(), serializeRoot().

Note that the naming conventions specified with the --type-naming and --function-naming options perform only limited transformations on the names that come from the schema in the form of type, attribute, and element names. In other words, to get consistent results, your schemas should follow a similar naming convention as the one you would like to have in the generated code. Alternatively, you can use the --*-regex options (discussed below) to perform further transformations on the names that come from the schema.

The --type-regex, --accessor-regex, --one-accessor-regex, --opt-accessor-regex, --seq-accessor-regex, --modifier-regex, --one-modifier-regex, --opt-modifier-regex, --seq-modifier-regex, --parser-regex, --serializer-regex, --enumerator-regex, and --element-type-regex options allow you to specify extra regular expressions for each name category in addition to the predefined set that is added depending on the --type-naming and --function-naming options. Expressions that are provided with the --*-regex options are evaluated prior to any predefined expressions. This allows you to selectively override some or all of the predefined transformations. When debugging your own expressions, it is often useful to see which expressions match which names. The --name-regex-trace option allows you to trace the process of applying regular expressions to names.

The value for the --*-regex options should be a perl-like regular expression in the form /pattern/replacement/. Any character can be used as a delimiter instead of /. Escaping of the delimiter character in pattern or replacement is not supported. All the regular expressions for each category are pushed into a category-specific stack with the last specified expression considered first. The first match that succeeds is used. For the --one-accessor-regex (accessors with cardinality one), --opt-accessor-regex (accessors with cardinality optional), and --seq-accessor-regex (accessors with cardinality sequence) categories the --accessor-regex expressions are used as a fallback. For the --one-modifier-regex, --opt-modifier-regex, and --seq-modifier-regex categories the --modifier-regex expressions are used as a fallback. For the --element-type-regex category the --type-regex expressions are used as a fallback.

The type name expressions (--type-regex) are evaluated on the name string that has the following format:

[namespace ]name[,name][,name][,name]

The element type name expressions (--element-type-regex), effective only when the --generate-element-type option is specified, are evaluated on the name string that has the following format:

namespace name

In the type name format the namespace part followed by a space is only present for global type names. For global types and elements defined in schemas without a target namespace, the namespace part is empty but the space is still present. In the type name format after the initial name component, up to three additional name components can be present, separated by commas. For example:

http://example.com/hello type

foo

foo,iterator

foo,const,iterator

The following set of predefined regular expressions is used to transform type names when the upper-camel-case naming convention is selected:

/(?:[^ ]* )?([^,]+)/\\u$1/

/(?:[^ ]* )?([^,]+),([^,]+)/\\u$1\\u$2/

/(?:[^ ]* )?([^,]+),([^,]+),([^,]+)/\\u$1\\u$2\\u$3/

/(?:[^ ]* )?([^,]+),([^,]+),([^,]+),([^,]+)/\\u$1\\u$2\\u$3\\u$4/

The accessor and modifier expressions (--*accessor-regex and --*modifier-regex) are evaluated on the name string that has the following format:

name[,name][,name]

After the initial name component, up to two additional name components can be present, separated by commas. For example:

foo

dom,document

foo,default,value

The following set of predefined regular expressions is used to transform accessor names when the java naming convention is selected:

/([^,]+)/get\\u$1/

/([^,]+),([^,]+)/get\\u$1\\u$2/

/([^,]+),([^,]+),([^,]+)/get\\u$1\\u$2\\u$3/

For the parser, serializer, and enumerator categories, the corresponding regular expressions are evaluated on local names of elements and on enumeration values, respectively. For example, the following predefined regular expression is used to transform parsing function names when the java naming convention is selected:

/(.+)/parse\\u$1/

See also the REGEX AND SHELL QUOTING section below.

TYPE MAP

Type map files are used in C++/Parser to define a mapping between XML Schema and C++ types. The compiler uses this information to determine the return types of post_* functions in parser skeletons corresponding to XML Schema types as well as argument types for callbacks corresponding to elements and attributes of these types.

The compiler has a set of predefined mapping rules that map built-in XML Schema types to suitable C++ types (discussed below) and all other types to void. By providing your own type maps you can override these predefined rules. The format of the type map file is presented below:

namespace schema-namespace [ cxx-namespace ]
{

  ( include file-name; )*

  ([ type ] schema-type cxx-ret-type [ cxx-arg-type ]; )*
}

Both schema-namespace and schema-type are regex patterns while cxx-namespace, cxx-ret-type, and cxx-arg-type are regex pattern substitutions. All names can be optionally enclosed in " ", for example, to include white-spaces.

schema-namespace determines XML Schema namespace. Optional cxx-namespace is prefixed to every C++ type name in this namespace declaration. cxx-ret-type is a C++ type name that is used as a return type for the post_* functions. Optional cxx-arg-type is an argument type for callback functions corresponding to elements and attributes of this type. If cxx-arg-type is not specified, it defaults to cxx-ret-type if cxx-ret-type ends with * or & (that is, it is a pointer or a reference) and const cxx-ret-type& otherwise. file-name is a file name either in the " " or < > format and is added with the #include directive to the generated code.

The # character starts a comment that ends with a new line or end of file. To specify a name that contains # enclose it in " ". For example:

namespace http://www.example.com/xmlns/my my
{

  include "my.hxx";


  # Pass apples by value.
  #
  apple apple;


  # Pass oranges as pointers.
  #
  orange orange_t*;
}

In the example above, for the http://www.example.com/xmlns/my#orange XML Schema type, the my::orange_t* C++ type will be used as both return and argument types.

Several namespace declarations can be specified in a single file. The namespace declaration can also be completely omitted to map types in a schema without a namespace. For instance:

include "my.hxx";
apple apple;

namespace http://www.example.com/xmlns/my
{

  orange "const orange_t*";
}

The compiler has a number of predefined mapping rules that can be presented as the following map files. The string-based XML Schema built-in types are mapped to either std::string or std::wstring depending on the character type selected with the --char-type option (char by default).

namespace http://www.w3.org/2001/XMLSchema
{

  boolean bool bool;


  byte "signed char" "signed char";

  unsignedByte "unsigned char" "unsigned char";


  short short short;

  unsignedShort "unsigned short" "unsigned short";


  int int int;

  unsignedInt "unsigned int" "unsigned int";


  long "long long" "long long";

  unsignedLong "unsigned long long" "unsigned long long";


  integer "long long" "long long";


  negativeInteger "long long" "long long";

  nonPositiveInteger "long long" "long long";


  positiveInteger "unsigned long long" "unsigned long long";

  nonNegativeInteger "unsigned long long" "unsigned long long";


  float float float;

  double double double;

  decimal double double;


  string std::string;

  normalizedString std::string;

  token std::string;

  Name std::string;

  NMTOKEN std::string;

  NCName std::string;

  ID std::string;

  IDREF std::string;

  language std::string;

  anyURI std::string;


  NMTOKENS xml_schema::string_sequence;

  IDREFS xml_schema::string_sequence;


  QName xml_schema::qname;


  base64Binary std::auto_ptr<xml_schema::buffer>

               std::auto_ptr<xml_schema::buffer>;

  hexBinary std::auto_ptr<xml_schema::buffer>

            std::auto_ptr<xml_schema::buffer>;


  date xml_schema::date;

  dateTime xml_schema::date_time;

  duration xml_schema::duration;

  gDay xml_schema::gday;

  gMonth xml_schema::gmonth;

  gMonthDay xml_schema::gmonth_day;

  gYear xml_schema::gyear;

  gYearMonth xml_schema::gyear_month;

  time xml_schema::time;
}

The last predefined rule maps anything that wasn't mapped by previous rules to void:

namespace .*
{

  .* void void;
}

When you provide your own type maps with the --type-map option, they are evaluated first. This allows you to selectively override predefined rules.

REGEX AND SHELL QUOTING

When entering a regular expression argument in the shell command line it is often necessary to use quoting (enclosing the argument in " " or ' ') in order to prevent the shell from interpreting certain characters, for example, spaces as argument separators and $ as variable expansions.

Unfortunately it is hard to achieve this in a manner that is portable across POSIX shells, such as those found on GNU/Linux and UNIX, and Windows shell. For example, if you use " " for quoting you will get a wrong result with POSIX shells if your expression contains $. The standard way of dealing with this on POSIX systems is to use ' ' instead. Unfortunately, Windows shell does not remove ' ' from arguments when they are passed to applications. As a result you may have to use ' ' for POSIX and " " for Windows ($ is not treated as a special character on Windows).

Alternatively, you can save regular expression options into a file, one option per line, and use this file with the --options-file option. With this approach you don't need to worry about shell quoting.

DIAGNOSTICS

If the input file is not a valid W3C XML Schema definition, xsdcxx will issue diagnostic messages to STDERR and exit with non-zero exit code.

BUGS

Send bug reports to the xsd-users@codesynthesis.com mailing list. Copyright (c) 2005-2010 Code Synthesis Tools CC.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, version 1.2; with no Invariant Sections, no Front-Cover Texts and no Back-Cover Texts. Copy of the license can be obtained from http://codesynthesis.com/licenses/fdl-1.2.txt

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