--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/make/uwproj.xsd Sun Jan 28 13:10:18 2024 +0100
@@ -0,0 +1,287 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
+ xmlns="http://unixwork.de/uwproj"
+ targetNamespace="http://unixwork.de/uwproj"
+ elementFormDefault="qualified"
+ version="0.2"
+>
+ <xs:element name="project" type="ProjectType"/>
+
+ <xs:complexType name="ProjectType">
+ <xs:annotation>
+ <xs:documentation>
+ The root element of an uwproj project.
+ Consists of an optional <code>config</code> element
+ and an arbitrary number of <code>dependency</code>
+ and <code>target</code> elements.
+ </xs:documentation>
+ </xs:annotation>
+ <xs:sequence>
+ <xs:element name="config" type="ConfigType" minOccurs="0"/>
+ <xs:element name="dependency" type="DependencyType" minOccurs="0" maxOccurs="unbounded"/>
+ <xs:element name="target" type="TargetType" minOccurs="0" maxOccurs="unbounded"/>
+ </xs:sequence>
+ </xs:complexType>
+
+ <xs:complexType name="ConfigType">
+ <xs:annotation>
+ <xs:documentation>
+ The configuration section.
+ Consists of an arbitrary number of <code>var</code> elements.
+ </xs:documentation>
+ </xs:annotation>
+ <xs:sequence>
+ <xs:element name="var" type="ConfigVarType" minOccurs="0" maxOccurs="unbounded"/>
+ </xs:sequence>
+ </xs:complexType>
+
+ <xs:complexType name="ConfigVarType">
+ <xs:annotation>
+ <xs:documentation>
+ The definition of a configuration variable.
+ <p>
+ Configuration variables are supposed to be used in the configure script and are also
+ written to the resulting config file (in contrast to make variables, which are only
+ written to the config file).
+ The <code>name</code> attribute is mandatory, the value is defined by the text body of the element.
+ The optional Boolean <code>exec</code> attribute (false by default) controls, whether the entire
+ definition is automatically executed under command substitution.
+ </p>
+ </xs:documentation>
+ </xs:annotation>
+ <xs:simpleContent>
+ <xs:extension base="xs:string">
+ <xs:attribute name="name" type="xs:string" use="required"/>
+ <xs:attribute name="exec" type="xs:boolean" default="false"/>
+ </xs:extension>
+ </xs:simpleContent>
+ </xs:complexType>
+
+ <xs:complexType name="PkgConfigType">
+ <xs:annotation>
+ <xs:documentation>
+ Instructs configure to invoke <code>pkg-config</code>, if present on the system, to determine
+ compiler and linker flags. The text body of this element defines the package name to search.
+ To constrain the allowed versions, use the attributes <code>atleast, exact, max</code>.
+ </xs:documentation>
+ </xs:annotation>
+ <xs:simpleContent>
+ <xs:extension base="xs:string">
+ <xs:attribute name="atleast" type="xs:string"/>
+ <xs:attribute name="exact" type="xs:string"/>
+ <xs:attribute name="max" type="xs:string"/>
+ </xs:extension>
+ </xs:simpleContent>
+ </xs:complexType>
+
+ <xs:simpleType name="LangType">
+ <xs:annotation>
+ <xs:documentation>
+ Requests a compiler for the specified language. Allowed values are
+ c, cpp.
+ </xs:documentation>
+ </xs:annotation>
+ <xs:restriction base="xs:string">
+ <xs:enumeration value="c"/>
+ <xs:enumeration value="cpp"/>
+ </xs:restriction>
+ </xs:simpleType>
+
+ <xs:complexType name="DependencyType">
+ <xs:annotation>
+ <xs:documentation>
+ Declares a dependency.
+ <p>
+ If the optional <code>name</code> attribute is omitted, the dependency is global
+ and must be satisfied, otherwise configuration shall fail.
+ A <em>named dependency</em> can be referenced by a target (or is implicitly referenced
+ by the default target, if no targets are specified).
+ Multiple declarations for the same named dependency may exist, in which case each declaration
+ is checked one after another, until one block is satisfied. The result of the first satisfied
+ dependency declaration is supposed to be applied to the config file.
+ </p>
+ <p>
+ The optional <code>platform</code> attribute may specify a <em>single</em> platform identifier and
+ the optional <code>toolchain</code> attribute may specify a <em>single</em> toolchain.
+ The optional <code>not</code> attribute may specify a comma-separated list of platform and/or
+ toolchain identifiers.
+ The configure script shall skip this dependency declaration if the detected platform and toolchain
+ is not matching the filter specification of these attributes.
+ </p>
+ </xs:documentation>
+ </xs:annotation>
+ <xs:choice minOccurs="0" maxOccurs="unbounded">
+ <xs:element name="lang" type="LangType"/>
+ <xs:element name="cflags" type="FlagsType"/>
+ <xs:element name="cxxflags" type="FlagsType"/>
+ <xs:element name="ldflags" type="FlagsType"/>
+ <xs:element name="pkgconfig" type="PkgConfigType"/>
+ <xs:element name="test" type="xs:string">
+ <xs:annotation>
+ <xs:documentation>
+ Specifies a custom command that shall be executed to test whether this dependency is satisfied.
+ </xs:documentation>
+ </xs:annotation>
+ </xs:element>
+ <xs:element name="make" type="MakeVarType"/>
+ </xs:choice>
+ <xs:attribute name="name" type="xs:string"/>
+ <xs:attribute name="platform" type="xs:string"/>
+ <xs:attribute name="toolchain" type="xs:string"/>
+ <xs:attribute name="not" type="xs:string"/>
+ </xs:complexType>
+
+ <xs:complexType name="FlagsType">
+ <xs:annotation>
+ <xs:documentation>
+ Instructs configure to append the contents of the element's body to the respective flags variable.
+ If the optional <code>exec</code> flag is set to <code>true</code>, the contents are supposed to be
+ executed under command substitution <em>at configuration time</em> before they are applied.
+ </xs:documentation>
+ </xs:annotation>
+ <xs:simpleContent>
+ <xs:extension base="xs:string">
+ <xs:attribute name="exec" type="xs:boolean" default="false"/>
+ </xs:extension>
+ </xs:simpleContent>
+ </xs:complexType>
+
+ <xs:complexType name="TargetType">
+ <xs:annotation>
+ <xs:documentation>
+ Declares a build target that is supposed to be configured.
+ <p>
+ If no build target is declared explicitly, an implicit default
+ target is generated, which has the <code>alldependencies</code>
+ flag set.
+ </p>
+ <p>
+ The optional <code>name</code> attribute is also used to generate a prefix
+ for the compiler and linker flags variables.
+ Furthermore, a target may consist of an arbitrary number of <code>feature</code>,
+ <code>option</code>, and <code>define</code> elements.
+ Named dependencies can be listed (separated by comma) in the <code>dependencies</code>
+ element. If this target shall use <em>all</em> available named dependencies, the empty
+ element <code>alldependencies</code> can be used as a shortcut.
+ </p>
+ </xs:documentation>
+ </xs:annotation>
+ <xs:choice minOccurs="0" maxOccurs="unbounded">
+ <xs:element name="feature" type="FeatureType"/>
+ <xs:element name="option" type="OptionType"/>
+ <xs:element name="define" type="DefineType"/>
+ <xs:element name="dependencies" type="DependenciesType"/>
+ <xs:element name="alldependencies">
+ <xs:complexType/>
+ </xs:element>
+ </xs:choice>
+ <xs:attribute name="name" type="xs:string"/>
+ </xs:complexType>
+
+ <xs:complexType name="FeatureType">
+ <xs:annotation>
+ <xs:documentation>
+ Declares an optional feature, that can be enabled during configuration, if all
+ <code>dependencies</code> are satisfied.
+ If a feature is enabled, all <code>define</code> and <code>make</code> definitions are
+ supposed to be applied to the config file.
+ In case the optional <code>default</code> attribute is set to true, the feature is enabled by default
+ and is supposed to be automatically disabled (without error) when the dependencies are not satisfied.
+ The name that is supposed to be used for the --enable and --disable arguments can be optionally
+ specified with the <code>arg</code> attribute. Otherwise, the <code>name</code> is used by default.
+ Optionally, a description for the help text of the resulting configure script can be specified by
+ adding a <code>desc</code> element.
+ </xs:documentation>
+ </xs:annotation>
+ <xs:choice minOccurs="0" maxOccurs="unbounded">
+ <xs:group ref="TargetDataGroup"/>
+ <xs:element name="desc" type="xs:string"/>
+ </xs:choice>
+ <xs:attribute name="name" type="xs:string" use="required"/>
+ <xs:attribute name="arg" type="xs:string"/>
+ <xs:attribute name="default" type="xs:boolean" default="false"/>
+ </xs:complexType>
+
+ <xs:complexType name="OptionType">
+ <xs:annotation>
+ <xs:documentation>
+ Declares a configuration option.
+ The option argument name is specified with the <code>arg</code> attribute.
+ Then, the children of this element specify possible <code>values</code> by defining the conditions
+ (in terms of dependencies) and effects (in terms of defines and make variables) of each value.
+ Finally, a set of <code>default</code>s is specified which supposed to automagically select the most
+ appropriate value for a specific platform under the available dependencies (in case the option is not
+ explicitly specified by using the command line argument).
+ </xs:documentation>
+ </xs:annotation>
+ <xs:sequence>
+ <xs:element name="value" type="OptionValueType" minOccurs="0" maxOccurs="unbounded"/>
+ <xs:element name="default" type="OptionDefaultType" minOccurs="0" maxOccurs="unbounded"/>
+ </xs:sequence>
+ <xs:attribute name="arg" type="xs:string" use="required"/>
+ </xs:complexType>
+
+ <xs:complexType name="OptionValueType">
+ <xs:annotation>
+ <xs:documentation>
+ Declares a possible value for the option (in the <code>str</code> attribute) and
+ the conditions (<code>dependencies</code>) and effects, the value has.
+ </xs:documentation>
+ </xs:annotation>
+ <xs:choice minOccurs="0" maxOccurs="unbounded">
+ <xs:group ref="TargetDataGroup"/>
+ </xs:choice>
+ <xs:attribute name="str" type="xs:string" use="required"/>
+ </xs:complexType>
+
+ <xs:complexType name="OptionDefaultType">
+ <xs:annotation>
+ <xs:documentation>
+ Specifies a default value for this option. Multiple default values can be specified, in which case
+ they are checked one after another for availability. With the optional <code>platform</code> attribute,
+ the default value can be constrained to a <em>single</em> specific platform and is supposed to be
+ skipped by configure, when this platform is not detected.
+ </xs:documentation>
+ </xs:annotation>
+ <xs:attribute name="value" type="xs:string" use="required"/>
+ <xs:attribute name="platform" type="xs:string"/>
+ </xs:complexType>
+
+ <xs:group name="TargetDataGroup">
+ <xs:choice>
+ <xs:element name="define" type="DefineType" minOccurs="0" maxOccurs="unbounded"/>
+ <xs:element name="dependencies" type="DependenciesType" minOccurs="0" maxOccurs="unbounded"/>
+ <xs:element name="make" type="MakeVarType" minOccurs="0" maxOccurs="unbounded"/>
+ </xs:choice>
+ </xs:group>
+
+ <xs:complexType name="DefineType">
+ <xs:annotation>
+ <xs:documentation>
+ Specifies C/C++ pre-processor definitions that are supposed to
+ be appended to the compiler flags, if supported.
+ (Note: for example, Fortran also supports C/C++ style pre-processor definitions under
+ certain circumstances)
+ </xs:documentation>
+ </xs:annotation>
+ <xs:attribute name="name" type="xs:string" use="required"/>
+ <xs:attribute name="value" type="xs:string"/>
+ </xs:complexType>
+
+ <xs:simpleType name="DependenciesType">
+ <xs:annotation>
+ <xs:documentation>A comma-separated list of named dependencies.</xs:documentation>
+ </xs:annotation>
+ <xs:restriction base="xs:string"/>
+ </xs:simpleType>
+
+ <xs:simpleType name="MakeVarType">
+ <xs:annotation>
+ <xs:documentation>
+ The text contents in the body of this element are supposed to be appended literally
+ to the config file without prior processing.
+ </xs:documentation>
+ </xs:annotation>
+ <xs:restriction base="xs:string"/>
+ </xs:simpleType>
+</xs:schema>
