hxt-8.0.0: doc/hdoc/src/Text-XML-HXT-RelaxNG-DataTypes.html
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<pre><a name="line-1"></a><span class='keyword'>module</span> <span class='conid'>Text</span><span class='varop'>.</span><span class='conid'>XML</span><span class='varop'>.</span><span class='conid'>HXT</span><span class='varop'>.</span><span class='conid'>RelaxNG</span><span class='varop'>.</span><span class='conid'>DataTypes</span>
<a name="line-2"></a><span class='keyword'>where</span>
<a name="line-3"></a>
<a name="line-4"></a><span class='keyword'>import</span> <span class='conid'>Text</span><span class='varop'>.</span><span class='conid'>XML</span><span class='varop'>.</span><span class='conid'>HXT</span><span class='varop'>.</span><span class='conid'>DOM</span><span class='varop'>.</span><span class='conid'>TypeDefs</span>
<a name="line-5"></a>
<a name="line-6"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-7"></a>
<a name="line-8"></a><a name="relaxSchemaFile"></a><span class='definition'>relaxSchemaFile</span> <span class='keyglyph'>::</span> <span class='conid'>String</span>
<a name="line-9"></a><span class='definition'>relaxSchemaFile</span> <span class='keyglyph'>=</span> <span class='str'>"Text/XML/HXT/RelaxNG/SpecificationSchema.rng"</span>
<a name="line-10"></a>
<a name="line-11"></a>
<a name="line-12"></a><a name="relaxSchemaGrammarFile"></a><span class='definition'>relaxSchemaGrammarFile</span> <span class='keyglyph'>::</span> <span class='conid'>String</span>
<a name="line-13"></a><span class='definition'>relaxSchemaGrammarFile</span> <span class='keyglyph'>=</span> <span class='str'>"Text/XML/HXT/RelaxNG/SpecificationSchemaGrammar.rng"</span>
<a name="line-14"></a>
<a name="line-15"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-16"></a><span class='comment'>-- datatypes for the simplification process</span>
<a name="line-17"></a>
<a name="line-18"></a><a name="a_numberOfErrors"></a><span class='definition'>a_numberOfErrors</span><span class='layout'>,</span>
<a name="line-19"></a> <span class='varid'>a_relaxSimplificationChanges</span><span class='layout'>,</span>
<a name="line-20"></a> <span class='varid'>defineOrigName</span> <span class='keyglyph'>::</span> <span class='conid'>String</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='definition'>a_numberOfErrors</span> <span class='keyglyph'>=</span> <span class='str'>"numberOfErrors"</span>
<a name="line-23"></a><a name="a_relaxSimplificationChanges"></a><span class='definition'>a_relaxSimplificationChanges</span> <span class='keyglyph'>=</span> <span class='str'>"relaxSimplificationChanges"</span>
<a name="line-24"></a><a name="defineOrigName"></a><span class='definition'>defineOrigName</span> <span class='keyglyph'>=</span> <span class='str'>"RelaxDefineOriginalName"</span>
<a name="line-25"></a>
<a name="line-26"></a>
<a name="line-27"></a><a name="Env"></a><span class='keyword'>type</span> <span class='conid'>Env</span> <span class='keyglyph'>=</span> <span class='keyglyph'>[</span><span class='layout'>(</span><span class='conid'>String</span><span class='layout'>,</span> <span class='conid'>XmlTree</span><span class='layout'>)</span><span class='keyglyph'>]</span>
<a name="line-28"></a>
<a name="line-29"></a><span class='comment'>-- | Start of a context attribute value </span>
<a name="line-30"></a><span class='comment'>-- (see also: 'Text.XML.HXT.RelaxNG.Simplification.simplificationStep1')</span>
<a name="line-31"></a><span class='comment'>--</span>
<a name="line-32"></a><span class='comment'>-- The value is always followed by the original attribute name and value</span>
<a name="line-33"></a>
<a name="line-34"></a><a name="contextAttributes"></a><span class='definition'>contextAttributes</span> <span class='keyglyph'>::</span> <span class='conid'>String</span>
<a name="line-35"></a><span class='definition'>contextAttributes</span> <span class='keyglyph'>=</span> <span class='str'>"RelaxContext:"</span>
<a name="line-36"></a>
<a name="line-37"></a>
<a name="line-38"></a><span class='comment'>-- | Start of base uri attribute value </span>
<a name="line-39"></a><span class='comment'>-- (see also: 'simplificationStep1' in "Text.XML.HXT.RelaxNG.Simplification")</span>
<a name="line-40"></a>
<a name="line-41"></a><a name="contextBaseAttr"></a><span class='definition'>contextBaseAttr</span> <span class='keyglyph'>::</span> <span class='conid'>String</span>
<a name="line-42"></a><span class='definition'>contextBaseAttr</span> <span class='keyglyph'>=</span> <span class='str'>"RelaxContextBaseURI"</span>
<a name="line-43"></a>
<a name="line-44"></a>
<a name="line-45"></a><span class='comment'>-- see simplificationStep5 in Text.XML.HXT.RelaxNG.Simplification</span>
<a name="line-46"></a>
<a name="line-47"></a><a name="OldName"></a><span class='keyword'>type</span> <span class='conid'>OldName</span> <span class='keyglyph'>=</span> <span class='conid'>String</span>
<a name="line-48"></a><a name="NewName"></a><span class='keyword'>type</span> <span class='conid'>NewName</span> <span class='keyglyph'>=</span> <span class='conid'>String</span>
<a name="line-49"></a><a name="NamePair"></a><span class='keyword'>type</span> <span class='conid'>NamePair</span> <span class='keyglyph'>=</span> <span class='layout'>(</span><span class='conid'>OldName</span><span class='layout'>,</span> <span class='conid'>NewName</span><span class='layout'>)</span>
<a name="line-50"></a><a name="RefList"></a><span class='keyword'>type</span> <span class='conid'>RefList</span> <span class='keyglyph'>=</span> <span class='keyglyph'>[</span><span class='conid'>NamePair</span><span class='keyglyph'>]</span>
<a name="line-51"></a>
<a name="line-52"></a>
<a name="line-53"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-54"></a><span class='comment'>-- datatype library handling</span>
<a name="line-55"></a>
<a name="line-56"></a><span class='comment'>-- | Type of all datatype libraries functions that tests whether </span>
<a name="line-57"></a><span class='comment'>-- a XML instance value matches a value-pattern.</span>
<a name="line-58"></a><span class='comment'>--</span>
<a name="line-59"></a><span class='comment'>-- Returns Just \"errorMessage\" in case of an error else Nothing.</span>
<a name="line-60"></a>
<a name="line-61"></a><a name="DatatypeEqual"></a><span class='keyword'>type</span> <span class='conid'>DatatypeEqual</span> <span class='keyglyph'>=</span> <span class='conid'>DatatypeName</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>Context</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>Context</span> <span class='keyglyph'>-></span> <span class='conid'>Maybe</span> <span class='conid'>String</span>
<a name="line-62"></a>
<a name="line-63"></a>
<a name="line-64"></a><span class='comment'>-- | Type of all datatype libraries functions that tests whether </span>
<a name="line-65"></a><span class='comment'>-- a XML instance value matches a data-pattern.</span>
<a name="line-66"></a><span class='comment'>--</span>
<a name="line-67"></a><span class='comment'>-- Returns Just \"errorMessage\" in case of an error else Nothing.</span>
<a name="line-68"></a>
<a name="line-69"></a><a name="DatatypeAllows"></a><span class='keyword'>type</span> <span class='conid'>DatatypeAllows</span> <span class='keyglyph'>=</span> <span class='conid'>DatatypeName</span> <span class='keyglyph'>-></span> <span class='conid'>ParamList</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>Context</span> <span class='keyglyph'>-></span> <span class='conid'>Maybe</span> <span class='conid'>String</span>
<a name="line-70"></a>
<a name="line-71"></a>
<a name="line-72"></a><span class='comment'>-- | List of all supported datatype libraries</span>
<a name="line-73"></a>
<a name="line-74"></a><a name="DatatypeLibraries"></a><span class='keyword'>type</span> <span class='conid'>DatatypeLibraries</span> <span class='keyglyph'>=</span> <span class='keyglyph'>[</span><span class='conid'>DatatypeLibrary</span><span class='keyglyph'>]</span>
<a name="line-75"></a>
<a name="line-76"></a>
<a name="line-77"></a><span class='comment'>-- | Each datatype library is identified by a URI.</span>
<a name="line-78"></a>
<a name="line-79"></a><a name="DatatypeLibrary"></a><span class='keyword'>type</span> <span class='conid'>DatatypeLibrary</span> <span class='keyglyph'>=</span> <span class='layout'>(</span><span class='conid'>Uri</span><span class='layout'>,</span> <span class='conid'>DatatypeCheck</span><span class='layout'>)</span>
<a name="line-80"></a>
<a name="line-81"></a><a name="DatatypeName"></a><span class='keyword'>type</span> <span class='conid'>DatatypeName</span> <span class='keyglyph'>=</span> <span class='conid'>String</span>
<a name="line-82"></a>
<a name="line-83"></a><a name="ParamName"></a><span class='keyword'>type</span> <span class='conid'>ParamName</span> <span class='keyglyph'>=</span> <span class='conid'>String</span>
<a name="line-84"></a>
<a name="line-85"></a>
<a name="line-86"></a><span class='comment'>-- | List of all supported params for a datatype</span>
<a name="line-87"></a>
<a name="line-88"></a><a name="AllowedParams"></a><span class='keyword'>type</span> <span class='conid'>AllowedParams</span> <span class='keyglyph'>=</span> <span class='keyglyph'>[</span><span class='conid'>ParamName</span><span class='keyglyph'>]</span>
<a name="line-89"></a>
<a name="line-90"></a>
<a name="line-91"></a><span class='comment'>-- | List of all supported datatypes and there allowed params</span>
<a name="line-92"></a>
<a name="line-93"></a><a name="AllowedDatatypes"></a><span class='keyword'>type</span> <span class='conid'>AllowedDatatypes</span> <span class='keyglyph'>=</span> <span class='keyglyph'>[</span><span class='layout'>(</span><span class='conid'>DatatypeName</span><span class='layout'>,</span> <span class='conid'>AllowedParams</span><span class='layout'>)</span><span class='keyglyph'>]</span>
<a name="line-94"></a>
<a name="line-95"></a>
<a name="line-96"></a><span class='comment'>-- | The Constructor exports the list of supported datatypes for a library.</span>
<a name="line-97"></a><span class='comment'>-- It also exports the specialized datatype library functions to validate </span>
<a name="line-98"></a><span class='comment'>-- a XML instance value with respect to a datatype.</span>
<a name="line-99"></a>
<a name="line-100"></a><a name="DatatypeCheck"></a><span class='keyword'>data</span> <span class='conid'>DatatypeCheck</span>
<a name="line-101"></a> <span class='keyglyph'>=</span> <span class='conid'>DTC</span> <span class='layout'>{</span> <span class='varid'>dtAllowsFct</span> <span class='keyglyph'>::</span> <span class='conid'>DatatypeAllows</span> <span class='comment'>-- ^ function to test whether a value matches a data-pattern</span>
<a name="line-102"></a> <span class='layout'>,</span> <span class='varid'>dtEqualFct</span> <span class='keyglyph'>::</span> <span class='conid'>DatatypeEqual</span> <span class='comment'>-- ^ function to test whether a value matches a value-pattern</span>
<a name="line-103"></a> <span class='layout'>,</span> <span class='varid'>dtAllowedTypes</span> <span class='keyglyph'>::</span> <span class='conid'>AllowedDatatypes</span> <span class='comment'>-- ^ list of all supported params for a datatype</span>
<a name="line-104"></a> <span class='layout'>}</span>
<a name="line-105"></a>
<a name="line-106"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-107"></a><span class='comment'>-- datatypes for the validation process</span>
<a name="line-108"></a>
<a name="line-109"></a><a name="Uri"></a><span class='keyword'>type</span> <span class='conid'>Uri</span> <span class='keyglyph'>=</span> <span class='conid'>String</span>
<a name="line-110"></a>
<a name="line-111"></a><a name="LocalName"></a><span class='keyword'>type</span> <span class='conid'>LocalName</span> <span class='keyglyph'>=</span> <span class='conid'>String</span>
<a name="line-112"></a>
<a name="line-113"></a>
<a name="line-114"></a><span class='comment'>-- | List of parameters; each parameter is a pair consisting of a local name and a value.</span>
<a name="line-115"></a>
<a name="line-116"></a><a name="ParamList"></a><span class='keyword'>type</span> <span class='conid'>ParamList</span> <span class='keyglyph'>=</span> <span class='keyglyph'>[</span><span class='layout'>(</span><span class='conid'>LocalName</span><span class='layout'>,</span> <span class='conid'>String</span><span class='layout'>)</span><span class='keyglyph'>]</span>
<a name="line-117"></a>
<a name="line-118"></a><a name="Prefix"></a><span class='keyword'>type</span> <span class='conid'>Prefix</span> <span class='keyglyph'>=</span> <span class='conid'>String</span>
<a name="line-119"></a>
<a name="line-120"></a>
<a name="line-121"></a><span class='comment'>-- | A Context represents the context of an XML element. </span>
<a name="line-122"></a><span class='comment'>-- It consists of a base URI and a mapping from prefixes to namespace URIs.</span>
<a name="line-123"></a>
<a name="line-124"></a><a name="Context"></a><span class='keyword'>type</span> <span class='conid'>Context</span> <span class='keyglyph'>=</span> <span class='layout'>(</span><span class='conid'>Uri</span><span class='layout'>,</span> <span class='keyglyph'>[</span><span class='layout'>(</span><span class='conid'>Prefix</span><span class='layout'>,</span> <span class='conid'>Uri</span><span class='layout'>)</span><span class='keyglyph'>]</span><span class='layout'>)</span>
<a name="line-125"></a>
<a name="line-126"></a><span class='comment'>-- | A Datatype identifies a datatype by a datatype library name and a local name.</span>
<a name="line-127"></a>
<a name="line-128"></a><a name="Datatype"></a><span class='keyword'>type</span> <span class='conid'>Datatype</span> <span class='keyglyph'>=</span> <span class='layout'>(</span><span class='conid'>Uri</span><span class='layout'>,</span> <span class='conid'>LocalName</span><span class='layout'>)</span>
<a name="line-129"></a>
<a name="line-130"></a><a name="showDatatype"></a><span class='definition'>showDatatype</span> <span class='keyglyph'>::</span> <span class='conid'>Datatype</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-131"></a><span class='definition'>showDatatype</span> <span class='layout'>(</span><span class='varid'>u</span><span class='layout'>,</span> <span class='varid'>ln</span><span class='layout'>)</span>
<a name="line-132"></a> <span class='keyglyph'>|</span> <span class='varid'>null</span> <span class='varid'>u</span> <span class='keyglyph'>=</span> <span class='varid'>ln</span>
<a name="line-133"></a> <span class='keyglyph'>|</span> <span class='varid'>otherwise</span> <span class='keyglyph'>=</span> <span class='str'>"{"</span> <span class='varop'>++</span> <span class='varid'>u</span> <span class='varop'>++</span> <span class='str'>"}"</span> <span class='varop'>++</span> <span class='varid'>ln</span>
<a name="line-134"></a>
<a name="line-135"></a><span class='comment'>-- | Represents a name class</span>
<a name="line-136"></a>
<a name="line-137"></a><a name="NameClass"></a><span class='keyword'>data</span> <span class='conid'>NameClass</span> <span class='keyglyph'>=</span> <span class='conid'>AnyName</span>
<a name="line-138"></a> <span class='keyglyph'>|</span> <span class='conid'>AnyNameExcept</span> <span class='conid'>NameClass</span>
<a name="line-139"></a> <span class='keyglyph'>|</span> <span class='conid'>Name</span> <span class='conid'>Uri</span> <span class='conid'>LocalName</span>
<a name="line-140"></a> <span class='keyglyph'>|</span> <span class='conid'>NsName</span> <span class='conid'>Uri</span>
<a name="line-141"></a> <span class='keyglyph'>|</span> <span class='conid'>NsNameExcept</span> <span class='conid'>Uri</span> <span class='conid'>NameClass</span>
<a name="line-142"></a> <span class='keyglyph'>|</span> <span class='conid'>NameClassChoice</span> <span class='conid'>NameClass</span> <span class='conid'>NameClass</span>
<a name="line-143"></a> <span class='keyglyph'>|</span> <span class='conid'>NCError</span> <span class='conid'>String</span>
<a name="line-144"></a> <span class='keyword'>deriving</span> <span class='conid'>Eq</span>
<a name="line-145"></a>
<a name="line-146"></a><span class='keyword'>instance</span> <span class='conid'>Show</span> <span class='conid'>NameClass</span>
<a name="line-147"></a> <span class='keyword'>where</span>
<a name="line-148"></a> <span class='varid'>show</span> <span class='conid'>AnyName</span> <span class='keyglyph'>=</span> <span class='str'>"AnyName"</span>
<a name="line-149"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>AnyNameExcept</span> <span class='varid'>nameClass</span><span class='layout'>)</span>
<a name="line-150"></a> <span class='keyglyph'>=</span> <span class='str'>"AnyNameExcept: "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>nameClass</span>
<a name="line-151"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>Name</span> <span class='varid'>uri</span> <span class='varid'>localName</span><span class='layout'>)</span>
<a name="line-152"></a> <span class='keyglyph'>|</span> <span class='varid'>null</span> <span class='varid'>uri</span> <span class='keyglyph'>=</span> <span class='varid'>localName</span>
<a name="line-153"></a> <span class='keyglyph'>|</span> <span class='varid'>otherwise</span> <span class='keyglyph'>=</span> <span class='str'>"{"</span> <span class='varop'>++</span> <span class='varid'>uri</span> <span class='varop'>++</span> <span class='str'>"}"</span> <span class='varop'>++</span> <span class='varid'>localName</span>
<a name="line-154"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>NsName</span> <span class='varid'>uri</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='str'>"{"</span> <span class='varop'>++</span> <span class='varid'>uri</span> <span class='varop'>++</span> <span class='str'>"}AnyName"</span>
<a name="line-155"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>NsNameExcept</span> <span class='varid'>uri</span> <span class='varid'>nameClass</span><span class='layout'>)</span>
<a name="line-156"></a> <span class='keyglyph'>=</span> <span class='str'>"NsNameExcept: {"</span> <span class='varop'>++</span> <span class='varid'>uri</span> <span class='varop'>++</span> <span class='str'>"}"</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>nameClass</span>
<a name="line-157"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>NameClassChoice</span> <span class='varid'>nameClass1</span> <span class='varid'>nameClass2</span><span class='layout'>)</span>
<a name="line-158"></a> <span class='keyglyph'>=</span> <span class='str'>"NameClassChoice: "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>nameClass1</span> <span class='varop'>++</span> <span class='str'>"|"</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>nameClass2</span>
<a name="line-159"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>NCError</span> <span class='varid'>string</span><span class='layout'>)</span>
<a name="line-160"></a> <span class='keyglyph'>=</span> <span class='str'>"NCError: "</span> <span class='varop'>++</span> <span class='varid'>string</span>
<a name="line-161"></a>
<a name="line-162"></a>
<a name="line-163"></a><span class='comment'>-- | Represents a pattern after simplification</span>
<a name="line-164"></a>
<a name="line-165"></a><a name="Pattern"></a><span class='keyword'>data</span> <span class='conid'>Pattern</span> <span class='keyglyph'>=</span> <span class='conid'>Empty</span>
<a name="line-166"></a> <span class='keyglyph'>|</span> <span class='conid'>NotAllowed</span> <span class='conid'>ErrMessage</span>
<a name="line-167"></a> <span class='keyglyph'>|</span> <span class='conid'>Text</span>
<a name="line-168"></a> <span class='keyglyph'>|</span> <span class='conid'>Choice</span> <span class='conid'>Pattern</span> <span class='conid'>Pattern</span>
<a name="line-169"></a> <span class='keyglyph'>|</span> <span class='conid'>Interleave</span> <span class='conid'>Pattern</span> <span class='conid'>Pattern</span>
<a name="line-170"></a> <span class='keyglyph'>|</span> <span class='conid'>Group</span> <span class='conid'>Pattern</span> <span class='conid'>Pattern</span>
<a name="line-171"></a> <span class='keyglyph'>|</span> <span class='conid'>OneOrMore</span> <span class='conid'>Pattern</span>
<a name="line-172"></a> <span class='keyglyph'>|</span> <span class='conid'>List</span> <span class='conid'>Pattern</span>
<a name="line-173"></a> <span class='keyglyph'>|</span> <span class='conid'>Data</span> <span class='conid'>Datatype</span> <span class='conid'>ParamList</span>
<a name="line-174"></a> <span class='keyglyph'>|</span> <span class='conid'>DataExcept</span> <span class='conid'>Datatype</span> <span class='conid'>ParamList</span> <span class='conid'>Pattern</span>
<a name="line-175"></a> <span class='keyglyph'>|</span> <span class='conid'>Value</span> <span class='conid'>Datatype</span> <span class='conid'>String</span> <span class='conid'>Context</span>
<a name="line-176"></a> <span class='keyglyph'>|</span> <span class='conid'>Attribute</span> <span class='conid'>NameClass</span> <span class='conid'>Pattern</span>
<a name="line-177"></a> <span class='keyglyph'>|</span> <span class='conid'>Element</span> <span class='conid'>NameClass</span> <span class='conid'>Pattern</span>
<a name="line-178"></a> <span class='keyglyph'>|</span> <span class='conid'>After</span> <span class='conid'>Pattern</span> <span class='conid'>Pattern</span>
<a name="line-179"></a>
<a name="line-180"></a><span class='keyword'>instance</span> <span class='conid'>Show</span> <span class='conid'>Pattern</span> <span class='keyword'>where</span>
<a name="line-181"></a> <span class='varid'>show</span> <span class='conid'>Empty</span> <span class='keyglyph'>=</span> <span class='str'>"empty"</span>
<a name="line-182"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='varid'>e</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>show</span> <span class='varid'>e</span>
<a name="line-183"></a> <span class='varid'>show</span> <span class='conid'>Text</span> <span class='keyglyph'>=</span> <span class='str'>"text"</span>
<a name="line-184"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>Choice</span> <span class='varid'>p1</span> <span class='varid'>p2</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='str'>"( "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p1</span> <span class='varop'>++</span> <span class='str'>" | "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p2</span> <span class='varop'>++</span> <span class='str'>" )"</span>
<a name="line-185"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>Interleave</span> <span class='varid'>p1</span> <span class='varid'>p2</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='str'>"( "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p1</span> <span class='varop'>++</span> <span class='str'>" & "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p2</span> <span class='varop'>++</span> <span class='str'>" )"</span>
<a name="line-186"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>Group</span> <span class='varid'>p1</span> <span class='varid'>p2</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='str'>"( "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p1</span> <span class='varop'>++</span> <span class='str'>" , "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p2</span> <span class='varop'>++</span> <span class='str'>" )"</span>
<a name="line-187"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>OneOrMore</span> <span class='varid'>p</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>show</span> <span class='varid'>p</span> <span class='varop'>++</span> <span class='str'>"+"</span>
<a name="line-188"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>List</span> <span class='varid'>p</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='str'>"list { "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p</span> <span class='varop'>++</span> <span class='str'>" }"</span>
<a name="line-189"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>Data</span> <span class='varid'>dt</span> <span class='varid'>pl</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>showDatatype</span> <span class='varid'>dt</span> <span class='varop'>++</span> <span class='varid'>showPL</span> <span class='varid'>pl</span>
<a name="line-190"></a> <span class='keyword'>where</span>
<a name="line-191"></a> <span class='varid'>showPL</span> <span class='conid'>[]</span> <span class='keyglyph'>=</span> <span class='str'>""</span>
<a name="line-192"></a> <span class='varid'>showPL</span> <span class='varid'>l</span> <span class='keyglyph'>=</span> <span class='str'>" {"</span> <span class='varop'>++</span> <span class='varid'>concatMap</span> <span class='varid'>showP</span> <span class='varid'>l</span> <span class='varop'>++</span> <span class='str'>" }"</span>
<a name="line-193"></a> <span class='varid'>showP</span> <span class='layout'>(</span><span class='varid'>ln</span><span class='layout'>,</span> <span class='varid'>v</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='str'>" "</span> <span class='varop'>++</span> <span class='varid'>ln</span> <span class='varop'>++</span> <span class='str'>" = "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>v</span>
<a name="line-194"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>DataExcept</span> <span class='varid'>dt</span> <span class='varid'>pl</span> <span class='varid'>p</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>Data</span> <span class='varid'>dt</span> <span class='varid'>pl</span><span class='layout'>)</span> <span class='varop'>++</span> <span class='str'>" - ("</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p</span> <span class='varop'>++</span> <span class='str'>" )"</span>
<a name="line-195"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>Value</span> <span class='varid'>dt</span> <span class='varid'>v</span> <span class='sel'>_cx</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>showDatatype</span> <span class='varid'>dt</span> <span class='varop'>++</span> <span class='str'>" "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>v</span>
<a name="line-196"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>Attribute</span> <span class='varid'>nc</span> <span class='varid'>p</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='str'>"attribute "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>nc</span> <span class='varop'>++</span> <span class='str'>" { "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p</span> <span class='varop'>++</span> <span class='str'>" }"</span>
<a name="line-197"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>Element</span> <span class='varid'>nc</span> <span class='varid'>p</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='str'>"element "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>nc</span> <span class='varop'>++</span> <span class='str'>" { "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p</span> <span class='varop'>++</span> <span class='str'>" }"</span>
<a name="line-198"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>After</span> <span class='varid'>p1</span> <span class='varid'>p2</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='str'>"( "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p1</span> <span class='varop'>++</span> <span class='str'>" ; "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>p2</span> <span class='varop'>++</span> <span class='str'>" )"</span>
<a name="line-199"></a>
<a name="line-200"></a><a name="ErrMessage"></a><span class='keyword'>data</span> <span class='conid'>ErrMessage</span> <span class='keyglyph'>=</span> <span class='conid'>ErrMsg</span> <span class='conid'>ErrLevel</span> <span class='keyglyph'>[</span><span class='conid'>String</span><span class='keyglyph'>]</span>
<a name="line-201"></a> <span class='comment'>-- deriving Show</span>
<a name="line-202"></a>
<a name="line-203"></a><span class='keyword'>instance</span> <span class='conid'>Show</span> <span class='conid'>ErrMessage</span> <span class='keyword'>where</span>
<a name="line-204"></a> <span class='varid'>show</span> <span class='layout'>(</span><span class='conid'>ErrMsg</span> <span class='sel'>_lev</span> <span class='varid'>es</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>foldr1</span> <span class='layout'>(</span><span class='keyglyph'>\</span> <span class='varid'>x</span> <span class='varid'>y</span> <span class='keyglyph'>-></span> <span class='varid'>x</span> <span class='varop'>++</span> <span class='str'>"\n"</span> <span class='varop'>++</span> <span class='varid'>y</span><span class='layout'>)</span> <span class='varid'>es</span>
<a name="line-205"></a>
<a name="line-206"></a><a name="ErrLevel"></a><span class='keyword'>type</span> <span class='conid'>ErrLevel</span> <span class='keyglyph'>=</span> <span class='conid'>Int</span>
<a name="line-207"></a>
<a name="line-208"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-209"></a>
<a name="line-210"></a><span class='comment'>-- smart constructor funtions for Pattern</span>
<a name="line-211"></a>
<a name="line-212"></a><span class='comment'>-- | smart constructor for NotAllowed</span>
<a name="line-213"></a>
<a name="line-214"></a><a name="notAllowed"></a><span class='definition'>notAllowed</span> <span class='keyglyph'>::</span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span>
<a name="line-215"></a><span class='definition'>notAllowed</span> <span class='keyglyph'>=</span> <span class='varid'>notAllowedN</span> <span class='num'>0</span>
<a name="line-216"></a>
<a name="line-217"></a><a name="notAllowed1"></a><span class='definition'>notAllowed1</span> <span class='keyglyph'>::</span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span>
<a name="line-218"></a><span class='definition'>notAllowed1</span> <span class='keyglyph'>=</span> <span class='varid'>notAllowedN</span> <span class='num'>1</span>
<a name="line-219"></a>
<a name="line-220"></a><a name="notAllowed2"></a><span class='definition'>notAllowed2</span> <span class='keyglyph'>::</span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span>
<a name="line-221"></a><span class='definition'>notAllowed2</span> <span class='keyglyph'>=</span> <span class='varid'>notAllowedN</span> <span class='num'>2</span>
<a name="line-222"></a>
<a name="line-223"></a><a name="notAllowedN"></a><span class='definition'>notAllowedN</span> <span class='keyglyph'>::</span> <span class='conid'>ErrLevel</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span>
<a name="line-224"></a><span class='definition'>notAllowedN</span> <span class='varid'>l</span> <span class='varid'>s</span> <span class='keyglyph'>=</span> <span class='conid'>NotAllowed</span> <span class='layout'>(</span><span class='conid'>ErrMsg</span> <span class='varid'>l</span> <span class='keyglyph'>[</span><span class='varid'>s</span><span class='keyglyph'>]</span><span class='layout'>)</span>
<a name="line-225"></a>
<a name="line-226"></a><span class='comment'>-- | merge error messages</span>
<a name="line-227"></a><span class='comment'>--</span>
<a name="line-228"></a><span class='comment'>-- If error levels are different, the more important is taken,</span>
<a name="line-229"></a><span class='comment'>-- if level is 2 (max level) both error messages are taken</span>
<a name="line-230"></a><span class='comment'>-- else the 1. error mesage is taken</span>
<a name="line-231"></a>
<a name="line-232"></a><a name="mergeNotAllowed"></a><span class='definition'>mergeNotAllowed</span> <span class='keyglyph'>::</span> <span class='conid'>Pattern</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span>
<a name="line-233"></a><span class='definition'>mergeNotAllowed</span> <span class='varid'>p1</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='layout'>(</span><span class='conid'>ErrMsg</span> <span class='varid'>l1</span> <span class='varid'>s1</span><span class='layout'>)</span><span class='layout'>)</span> <span class='varid'>p2</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='layout'>(</span><span class='conid'>ErrMsg</span> <span class='varid'>l2</span> <span class='varid'>s2</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-234"></a> <span class='keyglyph'>|</span> <span class='varid'>l1</span> <span class='varop'><</span> <span class='varid'>l2</span> <span class='keyglyph'>=</span> <span class='varid'>p2</span>
<a name="line-235"></a> <span class='keyglyph'>|</span> <span class='varid'>l1</span> <span class='varop'>></span> <span class='varid'>l2</span> <span class='keyglyph'>=</span> <span class='varid'>p1</span>
<a name="line-236"></a> <span class='keyglyph'>|</span> <span class='varid'>l1</span> <span class='varop'>==</span> <span class='num'>2</span> <span class='keyglyph'>=</span> <span class='conid'>NotAllowed</span> <span class='varop'>$</span> <span class='conid'>ErrMsg</span> <span class='num'>2</span> <span class='layout'>(</span><span class='varid'>s1</span> <span class='varop'>++</span> <span class='varid'>s2</span><span class='layout'>)</span>
<a name="line-237"></a> <span class='keyglyph'>|</span> <span class='varid'>otherwise</span> <span class='keyglyph'>=</span> <span class='varid'>p1</span>
<a name="line-238"></a>
<a name="line-239"></a><span class='comment'>-- TODO : weird error when collecting error messages errors are duplicated</span>
<a name="line-240"></a>
<a name="line-241"></a><span class='definition'>mergeNotAllowed</span> <span class='sel'>_p1</span> <span class='sel'>_p2</span>
<a name="line-242"></a> <span class='keyglyph'>=</span> <span class='varid'>notAllowed2</span> <span class='str'>"mergeNotAllowed with wrong patterns"</span>
<a name="line-243"></a>
<a name="line-244"></a><span class='comment'>-- | smart constructor for Choice</span>
<a name="line-245"></a>
<a name="line-246"></a><a name="choice"></a><span class='definition'>choice</span> <span class='keyglyph'>::</span> <span class='conid'>Pattern</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span>
<a name="line-247"></a><span class='definition'>choice</span> <span class='varid'>p1</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='varid'>p2</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>mergeNotAllowed</span> <span class='varid'>p1</span> <span class='varid'>p2</span>
<a name="line-248"></a><span class='definition'>choice</span> <span class='varid'>p1</span> <span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>p1</span>
<a name="line-249"></a><span class='definition'>choice</span> <span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='varid'>p2</span> <span class='keyglyph'>=</span> <span class='varid'>p2</span>
<a name="line-250"></a><span class='definition'>choice</span> <span class='varid'>p1</span> <span class='varid'>p2</span> <span class='keyglyph'>=</span> <span class='conid'>Choice</span> <span class='varid'>p1</span> <span class='varid'>p2</span>
<a name="line-251"></a>
<a name="line-252"></a><span class='comment'>-- | smart constructor for Group</span>
<a name="line-253"></a>
<a name="line-254"></a><a name="group"></a><span class='definition'>group</span> <span class='keyglyph'>::</span> <span class='conid'>Pattern</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span>
<a name="line-255"></a><span class='definition'>group</span> <span class='varid'>p1</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='varid'>p2</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>mergeNotAllowed</span> <span class='varid'>p1</span> <span class='varid'>p2</span>
<a name="line-256"></a><span class='definition'>group</span> <span class='keyword'>_</span> <span class='varid'>n</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>n</span>
<a name="line-257"></a><span class='definition'>group</span> <span class='varid'>n</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyword'>_</span> <span class='keyglyph'>=</span> <span class='varid'>n</span>
<a name="line-258"></a><span class='definition'>group</span> <span class='varid'>p</span> <span class='conid'>Empty</span> <span class='keyglyph'>=</span> <span class='varid'>p</span>
<a name="line-259"></a><span class='definition'>group</span> <span class='conid'>Empty</span> <span class='varid'>p</span> <span class='keyglyph'>=</span> <span class='varid'>p</span>
<a name="line-260"></a><span class='definition'>group</span> <span class='varid'>p1</span> <span class='varid'>p2</span> <span class='keyglyph'>=</span> <span class='conid'>Group</span> <span class='varid'>p1</span> <span class='varid'>p2</span>
<a name="line-261"></a>
<a name="line-262"></a><span class='comment'>-- | smart constructor for OneOrMore</span>
<a name="line-263"></a>
<a name="line-264"></a><a name="oneOrMore"></a><span class='definition'>oneOrMore</span> <span class='keyglyph'>::</span> <span class='conid'>Pattern</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span>
<a name="line-265"></a><span class='definition'>oneOrMore</span> <span class='varid'>n</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>n</span>
<a name="line-266"></a><span class='definition'>oneOrMore</span> <span class='varid'>p</span> <span class='keyglyph'>=</span> <span class='conid'>OneOrMore</span> <span class='varid'>p</span>
<a name="line-267"></a>
<a name="line-268"></a><span class='comment'>-- | smart constructor for Interleave</span>
<a name="line-269"></a>
<a name="line-270"></a><a name="interleave"></a><span class='definition'>interleave</span> <span class='keyglyph'>::</span> <span class='conid'>Pattern</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span>
<a name="line-271"></a><span class='definition'>interleave</span> <span class='varid'>p1</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='varid'>p2</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>mergeNotAllowed</span> <span class='varid'>p1</span> <span class='varid'>p2</span>
<a name="line-272"></a><span class='definition'>interleave</span> <span class='keyword'>_</span> <span class='varid'>p2</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>p2</span>
<a name="line-273"></a><span class='definition'>interleave</span> <span class='varid'>p1</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyword'>_</span> <span class='keyglyph'>=</span> <span class='varid'>p1</span>
<a name="line-274"></a><span class='definition'>interleave</span> <span class='varid'>p1</span> <span class='conid'>Empty</span> <span class='keyglyph'>=</span> <span class='varid'>p1</span>
<a name="line-275"></a><span class='definition'>interleave</span> <span class='conid'>Empty</span> <span class='varid'>p2</span> <span class='keyglyph'>=</span> <span class='varid'>p2</span>
<a name="line-276"></a><span class='definition'>interleave</span> <span class='varid'>p1</span> <span class='varid'>p2</span> <span class='keyglyph'>=</span> <span class='conid'>Interleave</span> <span class='varid'>p1</span> <span class='varid'>p2</span>
<a name="line-277"></a>
<a name="line-278"></a><span class='comment'>-- | smart constructor for After</span>
<a name="line-279"></a>
<a name="line-280"></a><a name="after"></a><span class='definition'>after</span> <span class='keyglyph'>::</span> <span class='conid'>Pattern</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span> <span class='keyglyph'>-></span> <span class='conid'>Pattern</span>
<a name="line-281"></a><span class='definition'>after</span> <span class='varid'>p1</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='varid'>p2</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>mergeNotAllowed</span> <span class='varid'>p1</span> <span class='varid'>p2</span>
<a name="line-282"></a><span class='definition'>after</span> <span class='keyword'>_</span> <span class='varid'>p2</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyglyph'>=</span> <span class='varid'>p2</span>
<a name="line-283"></a><span class='definition'>after</span> <span class='varid'>p1</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='conid'>NotAllowed</span> <span class='keyword'>_</span><span class='layout'>)</span> <span class='keyword'>_</span> <span class='keyglyph'>=</span> <span class='varid'>p1</span>
<a name="line-284"></a><span class='definition'>after</span> <span class='varid'>p1</span> <span class='varid'>p2</span> <span class='keyglyph'>=</span> <span class='conid'>After</span> <span class='varid'>p1</span> <span class='varid'>p2</span>
<a name="line-285"></a>
<a name="line-286"></a>
<a name="line-287"></a><span class='comment'>-- | Possible content types of a Relax NG pattern.</span>
<a name="line-288"></a><span class='comment'>-- (see also chapter 7.2 in Relax NG specification)</span>
<a name="line-289"></a>
<a name="line-290"></a><a name="ContentType"></a><span class='keyword'>data</span> <span class='conid'>ContentType</span> <span class='keyglyph'>=</span> <span class='conid'>CTEmpty</span>
<a name="line-291"></a> <span class='keyglyph'>|</span> <span class='conid'>CTComplex</span>
<a name="line-292"></a> <span class='keyglyph'>|</span> <span class='conid'>CTSimple</span>
<a name="line-293"></a> <span class='keyglyph'>|</span> <span class='conid'>CTNone</span>
<a name="line-294"></a> <span class='keyword'>deriving</span> <span class='layout'>(</span><span class='conid'>Show</span><span class='layout'>,</span> <span class='conid'>Eq</span><span class='layout'>,</span> <span class='conid'>Ord</span><span class='layout'>)</span>
<a name="line-295"></a>
<a name="line-296"></a><span class='comment'>-- ------------------------------------------------------------</span>
</pre></body>
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