hxt-8.2.0: doc/hdoc/src/Text-XML-HXT-RelaxNG-DataTypeLibUtils.html
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<pre><a name="line-1"></a><span class='comment'>-- |</span>
<a name="line-2"></a><span class='comment'>-- exports helper functions for the integration of new datatype-libraries</span>
<a name="line-3"></a>
<a name="line-4"></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'>DataTypeLibUtils</span>
<a name="line-5"></a> <span class='layout'>(</span> <span class='varid'>errorMsgEqual</span>
<a name="line-6"></a> <span class='layout'>,</span> <span class='varid'>errorMsgDataTypeNotAllowed</span>
<a name="line-7"></a> <span class='layout'>,</span> <span class='varid'>errorMsgDataTypeNotAllowed0</span>
<a name="line-8"></a> <span class='layout'>,</span> <span class='varid'>errorMsgDataTypeNotAllowed2</span>
<a name="line-9"></a> <span class='layout'>,</span> <span class='varid'>errorMsgDataLibQName</span>
<a name="line-10"></a> <span class='layout'>,</span> <span class='varid'>errorMsgParam</span>
<a name="line-11"></a>
<a name="line-12"></a> <span class='layout'>,</span> <span class='varid'>rng_length</span>
<a name="line-13"></a> <span class='layout'>,</span> <span class='varid'>rng_maxLength</span>
<a name="line-14"></a> <span class='layout'>,</span> <span class='varid'>rng_minLength</span>
<a name="line-15"></a> <span class='layout'>,</span><span class='varid'>rng_maxExclusive</span>
<a name="line-16"></a> <span class='layout'>,</span> <span class='varid'>rng_minExclusive</span>
<a name="line-17"></a> <span class='layout'>,</span> <span class='varid'>rng_maxInclusive</span>
<a name="line-18"></a> <span class='layout'>,</span> <span class='varid'>rng_minInclusive</span>
<a name="line-19"></a>
<a name="line-20"></a> <span class='layout'>,</span> <span class='keyword'>module</span> <span class='conid'>Control</span><span class='varop'>.</span><span class='conid'>Arrow</span>
<a name="line-21"></a> <span class='layout'>,</span> <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'>DOM</span><span class='varop'>.</span><span class='conid'>Util</span>
<a name="line-22"></a> <span class='layout'>,</span> <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'>Utils</span>
<a name="line-23"></a> <span class='layout'>,</span> <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-24"></a>
<a name="line-25"></a> <span class='layout'>,</span> <span class='conid'>FunctionTable</span>
<a name="line-26"></a>
<a name="line-27"></a> <span class='layout'>,</span> <span class='varid'>stringValidFT</span> <span class='comment'>-- generalized checkString</span>
<a name="line-28"></a> <span class='layout'>,</span> <span class='varid'>fctTableString</span> <span class='comment'>-- minLength, maxLenght, length</span>
<a name="line-29"></a> <span class='layout'>,</span> <span class='varid'>fctTableList</span> <span class='comment'>-- minLength, maxLenght, length</span>
<a name="line-30"></a>
<a name="line-31"></a> <span class='layout'>,</span> <span class='varid'>stringValid</span> <span class='comment'>-- checkString</span>
<a name="line-32"></a> <span class='layout'>,</span> <span class='varid'>numberValid</span> <span class='comment'>-- checkNumeric</span>
<a name="line-33"></a>
<a name="line-34"></a> <span class='layout'>,</span> <span class='varid'>numParamValid</span>
<a name="line-35"></a>
<a name="line-36"></a> <span class='layout'>,</span> <span class='conid'>CheckA</span> <span class='comment'>-- Check datatype</span>
<a name="line-37"></a> <span class='layout'>,</span> <span class='conid'>CheckString</span> <span class='comment'>-- CheckA String String</span>
<a name="line-38"></a> <span class='layout'>,</span> <span class='conid'>CheckInteger</span> <span class='comment'>-- CheckA Integer Integer</span>
<a name="line-39"></a>
<a name="line-40"></a> <span class='layout'>,</span> <span class='varid'>performCheck</span> <span class='comment'>-- run a CheckA</span>
<a name="line-41"></a> <span class='layout'>,</span> <span class='varid'>ok</span> <span class='comment'>-- always true</span>
<a name="line-42"></a> <span class='layout'>,</span> <span class='varid'>failure</span> <span class='comment'>-- create an error meesage</span>
<a name="line-43"></a> <span class='layout'>,</span> <span class='varid'>assert</span> <span class='comment'>-- create a primitive check from a predicate</span>
<a name="line-44"></a> <span class='layout'>,</span> <span class='varid'>assertMaybe</span> <span class='comment'>-- create a primitive check from a maybe</span>
<a name="line-45"></a> <span class='layout'>,</span> <span class='varid'>checkWith</span> <span class='comment'>-- convert value before checking</span>
<a name="line-46"></a> <span class='layout'>)</span>
<a name="line-47"></a>
<a name="line-48"></a><span class='keyword'>where</span>
<a name="line-49"></a><span class='keyword'>import</span> <span class='conid'>Prelude</span> <span class='varid'>hiding</span> <span class='layout'>(</span><span class='varid'>id</span><span class='layout'>,</span> <span class='layout'>(</span><span class='varop'>.</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-50"></a>
<a name="line-51"></a><span class='keyword'>import</span> <span class='conid'>Control</span><span class='varop'>.</span><span class='conid'>Category</span>
<a name="line-52"></a><span class='keyword'>import</span> <span class='conid'>Control</span><span class='varop'>.</span><span class='conid'>Arrow</span>
<a name="line-53"></a>
<a name="line-54"></a><span class='keyword'>import</span> <span class='conid'>Data</span><span class='varop'>.</span><span class='conid'>Either</span>
<a name="line-55"></a><span class='keyword'>import</span> <span class='conid'>Data</span><span class='varop'>.</span><span class='conid'>Maybe</span>
<a name="line-56"></a>
<a name="line-57"></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'>Util</span>
<a name="line-58"></a>
<a name="line-59"></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'>RelaxNG</span><span class='varop'>.</span><span class='conid'>DataTypes</span>
<a name="line-60"></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'>RelaxNG</span><span class='varop'>.</span><span class='conid'>Utils</span>
<a name="line-61"></a>
<a name="line-62"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-63"></a>
<a name="line-64"></a><a name="CheckA"></a><span class='keyword'>newtype</span> <span class='conid'>CheckA</span> <span class='varid'>a</span> <span class='varid'>b</span> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='layout'>{</span> <span class='varid'>runCheck</span> <span class='keyglyph'>::</span> <span class='varid'>a</span> <span class='keyglyph'>-></span> <span class='conid'>Either</span> <span class='conid'>String</span> <span class='varid'>b</span> <span class='layout'>}</span>
<a name="line-65"></a>
<a name="line-66"></a><span class='keyword'>instance</span> <span class='conid'>Category</span> <span class='conid'>CheckA</span> <span class='keyword'>where</span>
<a name="line-67"></a> <span class='varid'>id</span> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='varop'>$</span> <span class='conid'>Right</span>
<a name="line-68"></a>
<a name="line-69"></a> <span class='varid'>f2</span> <span class='varop'>.</span> <span class='varid'>f1</span> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='varop'>$</span> <span class='comment'>-- logical and: f1 and f2 must hold</span>
<a name="line-70"></a> <span class='keyglyph'>\</span> <span class='varid'>x</span> <span class='keyglyph'>-></span> <span class='keyword'>case</span> <span class='varid'>runCheck</span> <span class='varid'>f1</span> <span class='varid'>x</span> <span class='keyword'>of</span>
<a name="line-71"></a> <span class='conid'>Right</span> <span class='varid'>y</span> <span class='keyglyph'>-></span> <span class='varid'>runCheck</span> <span class='varid'>f2</span> <span class='varid'>y</span>
<a name="line-72"></a> <span class='conid'>Left</span> <span class='varid'>e</span> <span class='keyglyph'>-></span> <span class='conid'>Left</span> <span class='varid'>e</span>
<a name="line-73"></a>
<a name="line-74"></a><span class='keyword'>instance</span> <span class='conid'>Arrow</span> <span class='conid'>CheckA</span> <span class='keyword'>where</span>
<a name="line-75"></a> <span class='varid'>arr</span> <span class='varid'>f</span> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='layout'>(</span> <span class='conid'>Right</span> <span class='varop'>.</span> <span class='varid'>f</span> <span class='layout'>)</span> <span class='comment'>-- unit: no check, always o.k., just a conversion</span>
<a name="line-76"></a>
<a name="line-77"></a> <span class='varid'>first</span> <span class='varid'>f1</span> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='varop'>$</span> <span class='comment'>-- check 1. component of a pair</span>
<a name="line-78"></a> <span class='keyglyph'>\</span> <span class='keyglyph'>~</span><span class='layout'>(</span><span class='varid'>x1</span><span class='layout'>,</span> <span class='varid'>x2</span><span class='layout'>)</span> <span class='keyglyph'>-></span> <span class='keyword'>case</span> <span class='varid'>runCheck</span> <span class='varid'>f1</span> <span class='varid'>x1</span> <span class='keyword'>of</span>
<a name="line-79"></a> <span class='conid'>Right</span> <span class='varid'>y1</span> <span class='keyglyph'>-></span> <span class='conid'>Right</span> <span class='layout'>(</span><span class='varid'>y1</span><span class='layout'>,</span> <span class='varid'>x2</span><span class='layout'>)</span>
<a name="line-80"></a> <span class='conid'>Left</span> <span class='varid'>e</span> <span class='keyglyph'>-></span> <span class='conid'>Left</span> <span class='varid'>e</span>
<a name="line-81"></a>
<a name="line-82"></a> <span class='varid'>second</span> <span class='varid'>f2</span> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='varop'>$</span> <span class='comment'>-- check 2. component of a pair</span>
<a name="line-83"></a> <span class='keyglyph'>\</span> <span class='keyglyph'>~</span><span class='layout'>(</span><span class='varid'>x1</span><span class='layout'>,</span> <span class='varid'>x2</span><span class='layout'>)</span> <span class='keyglyph'>-></span> <span class='keyword'>case</span> <span class='varid'>runCheck</span> <span class='varid'>f2</span> <span class='varid'>x2</span> <span class='keyword'>of</span>
<a name="line-84"></a> <span class='conid'>Right</span> <span class='varid'>y2</span> <span class='keyglyph'>-></span> <span class='conid'>Right</span> <span class='layout'>(</span><span class='varid'>x1</span><span class='layout'>,</span> <span class='varid'>y2</span><span class='layout'>)</span>
<a name="line-85"></a> <span class='conid'>Left</span> <span class='varid'>e</span> <span class='keyglyph'>-></span> <span class='conid'>Left</span> <span class='varid'>e</span>
<a name="line-86"></a>
<a name="line-87"></a>
<a name="line-88"></a>
<a name="line-89"></a><span class='keyword'>instance</span> <span class='conid'>ArrowZero</span> <span class='conid'>CheckA</span> <span class='keyword'>where</span>
<a name="line-90"></a> <span class='varid'>zeroArrow</span> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='varop'>$</span> <span class='varid'>const</span> <span class='layout'>(</span><span class='conid'>Left</span> <span class='str'>""</span><span class='layout'>)</span> <span class='comment'>-- always false: zero</span>
<a name="line-91"></a>
<a name="line-92"></a><span class='keyword'>instance</span> <span class='conid'>ArrowPlus</span> <span class='conid'>CheckA</span> <span class='keyword'>where</span>
<a name="line-93"></a> <span class='varid'>f1</span> <span class='varop'><+></span> <span class='varid'>f2</span> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='varop'>$</span> <span class='comment'>-- logical or</span>
<a name="line-94"></a> <span class='keyglyph'>\</span> <span class='varid'>x</span> <span class='keyglyph'>-></span> <span class='keyword'>case</span> <span class='varid'>runCheck</span> <span class='varid'>f1</span> <span class='varid'>x</span> <span class='keyword'>of</span>
<a name="line-95"></a> <span class='conid'>Right</span> <span class='varid'>y1</span> <span class='keyglyph'>-></span> <span class='conid'>Right</span> <span class='varid'>y1</span>
<a name="line-96"></a> <span class='conid'>Left</span> <span class='varid'>e1</span> <span class='keyglyph'>-></span> <span class='keyword'>case</span> <span class='varid'>runCheck</span> <span class='varid'>f2</span> <span class='varid'>x</span> <span class='keyword'>of</span>
<a name="line-97"></a> <span class='conid'>Right</span> <span class='varid'>y2</span> <span class='keyglyph'>-></span> <span class='conid'>Right</span> <span class='varid'>y2</span>
<a name="line-98"></a> <span class='conid'>Left</span> <span class='varid'>e2</span> <span class='keyglyph'>-></span> <span class='conid'>Left</span> <span class='layout'>(</span> <span class='keyword'>if</span> <span class='varid'>null</span> <span class='varid'>e1</span>
<a name="line-99"></a> <span class='keyword'>then</span> <span class='varid'>e2</span>
<a name="line-100"></a> <span class='keyword'>else</span>
<a name="line-101"></a> <span class='keyword'>if</span> <span class='varid'>null</span> <span class='varid'>e2</span>
<a name="line-102"></a> <span class='keyword'>then</span> <span class='varid'>e1</span>
<a name="line-103"></a> <span class='keyword'>else</span> <span class='varid'>e1</span> <span class='varop'>++</span> <span class='str'>" or "</span> <span class='varop'>++</span> <span class='varid'>e2</span>
<a name="line-104"></a> <span class='layout'>)</span>
<a name="line-105"></a>
<a name="line-106"></a><a name="CheckString"></a><span class='keyword'>type</span> <span class='conid'>CheckString</span> <span class='keyglyph'>=</span> <span class='conid'>CheckA</span> <span class='conid'>String</span> <span class='conid'>String</span>
<a name="line-107"></a><a name="CheckInteger"></a><span class='keyword'>type</span> <span class='conid'>CheckInteger</span> <span class='keyglyph'>=</span> <span class='conid'>CheckA</span> <span class='conid'>Integer</span> <span class='conid'>Integer</span>
<a name="line-108"></a>
<a name="line-109"></a><span class='comment'>-- | run a check and deliver Just an error message or Nothing</span>
<a name="line-110"></a>
<a name="line-111"></a><a name="performCheck"></a><span class='definition'>performCheck</span> <span class='keyglyph'>::</span> <span class='conid'>CheckA</span> <span class='varid'>a</span> <span class='varid'>b</span> <span class='keyglyph'>-></span> <span class='varid'>a</span> <span class='keyglyph'>-></span> <span class='conid'>Maybe</span> <span class='conid'>String</span>
<a name="line-112"></a><span class='definition'>performCheck</span> <span class='varid'>c</span> <span class='keyglyph'>=</span> <span class='varid'>either</span> <span class='conid'>Just</span> <span class='layout'>(</span><span class='varid'>const</span> <span class='conid'>Nothing</span><span class='layout'>)</span> <span class='varop'>.</span> <span class='varid'>runCheck</span> <span class='varid'>c</span>
<a name="line-113"></a>
<a name="line-114"></a><span class='comment'>-- | always failure</span>
<a name="line-115"></a>
<a name="line-116"></a><a name="failure"></a><span class='definition'>failure</span> <span class='keyglyph'>::</span> <span class='layout'>(</span><span class='varid'>a</span> <span class='keyglyph'>-></span> <span class='conid'>String</span><span class='layout'>)</span> <span class='keyglyph'>-></span> <span class='conid'>CheckA</span> <span class='varid'>a</span> <span class='varid'>b</span>
<a name="line-117"></a><span class='definition'>failure</span> <span class='varid'>msg</span> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='layout'>(</span><span class='conid'>Left</span> <span class='varop'>.</span> <span class='varid'>msg</span><span class='layout'>)</span>
<a name="line-118"></a>
<a name="line-119"></a><span class='comment'>-- | every thing is fine</span>
<a name="line-120"></a>
<a name="line-121"></a><a name="ok"></a><span class='definition'>ok</span> <span class='keyglyph'>::</span> <span class='conid'>CheckA</span> <span class='varid'>a</span> <span class='varid'>a</span>
<a name="line-122"></a><span class='definition'>ok</span> <span class='keyglyph'>=</span> <span class='varid'>arr</span> <span class='varid'>id</span>
<a name="line-123"></a>
<a name="line-124"></a><span class='comment'>-- | perform a simple check with a predicate p,</span>
<a name="line-125"></a><span class='comment'>-- when the predicate holds, assert acts as identity,</span>
<a name="line-126"></a><span class='comment'>-- else an error message is generated</span>
<a name="line-127"></a>
<a name="line-128"></a><a name="assert"></a><span class='definition'>assert</span> <span class='keyglyph'>::</span> <span class='layout'>(</span><span class='varid'>a</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span><span class='layout'>)</span> <span class='keyglyph'>-></span> <span class='layout'>(</span><span class='varid'>a</span> <span class='keyglyph'>-></span> <span class='conid'>String</span><span class='layout'>)</span> <span class='keyglyph'>-></span> <span class='conid'>CheckA</span> <span class='varid'>a</span> <span class='varid'>a</span>
<a name="line-129"></a><span class='definition'>assert</span> <span class='varid'>p</span> <span class='varid'>msg</span> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='varop'>$</span> <span class='keyglyph'>\</span> <span class='varid'>x</span> <span class='keyglyph'>-></span> <span class='keyword'>if</span> <span class='varid'>p</span> <span class='varid'>x</span> <span class='keyword'>then</span> <span class='conid'>Right</span> <span class='varid'>x</span> <span class='keyword'>else</span> <span class='conid'>Left</span> <span class='layout'>(</span><span class='varid'>msg</span> <span class='varid'>x</span><span class='layout'>)</span>
<a name="line-130"></a>
<a name="line-131"></a><span class='comment'>-- | perform a simple check with a Maybe function, Nothing indicates error</span>
<a name="line-132"></a>
<a name="line-133"></a><a name="assertMaybe"></a><span class='definition'>assertMaybe</span> <span class='keyglyph'>::</span> <span class='layout'>(</span><span class='varid'>a</span> <span class='keyglyph'>-></span> <span class='conid'>Maybe</span> <span class='varid'>b</span><span class='layout'>)</span> <span class='keyglyph'>-></span> <span class='layout'>(</span><span class='varid'>a</span> <span class='keyglyph'>-></span> <span class='conid'>String</span><span class='layout'>)</span> <span class='keyglyph'>-></span> <span class='conid'>CheckA</span> <span class='varid'>a</span> <span class='varid'>b</span>
<a name="line-134"></a><span class='definition'>assertMaybe</span> <span class='varid'>f</span> <span class='varid'>msg</span>
<a name="line-135"></a> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='varop'>$</span> <span class='keyglyph'>\</span> <span class='varid'>x</span> <span class='keyglyph'>-></span> <span class='keyword'>case</span> <span class='varid'>f</span> <span class='varid'>x</span> <span class='keyword'>of</span>
<a name="line-136"></a> <span class='conid'>Nothing</span> <span class='keyglyph'>-></span> <span class='conid'>Left</span> <span class='layout'>(</span><span class='varid'>msg</span> <span class='varid'>x</span><span class='layout'>)</span>
<a name="line-137"></a> <span class='conid'>Just</span> <span class='varid'>y</span> <span class='keyglyph'>-></span> <span class='conid'>Right</span> <span class='varid'>y</span>
<a name="line-138"></a>
<a name="line-139"></a><span class='comment'>-- | perform a check, but convert the value before checking</span>
<a name="line-140"></a>
<a name="line-141"></a><a name="checkWith"></a><span class='definition'>checkWith</span> <span class='keyglyph'>::</span> <span class='layout'>(</span><span class='varid'>a</span> <span class='keyglyph'>-></span> <span class='varid'>b</span><span class='layout'>)</span> <span class='keyglyph'>-></span> <span class='conid'>CheckA</span> <span class='varid'>b</span> <span class='varid'>c</span> <span class='keyglyph'>-></span> <span class='conid'>CheckA</span> <span class='varid'>a</span> <span class='varid'>a</span>
<a name="line-142"></a><span class='definition'>checkWith</span> <span class='varid'>f</span> <span class='varid'>c</span> <span class='keyglyph'>=</span> <span class='conid'>C</span> <span class='varop'>$</span>
<a name="line-143"></a> <span class='keyglyph'>\</span> <span class='varid'>x</span> <span class='keyglyph'>-></span> <span class='keyword'>case</span> <span class='varid'>runCheck</span> <span class='varid'>c</span> <span class='layout'>(</span><span class='varid'>f</span> <span class='varid'>x</span><span class='layout'>)</span> <span class='keyword'>of</span>
<a name="line-144"></a> <span class='conid'>Right</span> <span class='keyword'>_</span> <span class='keyglyph'>-></span> <span class='conid'>Right</span> <span class='varid'>x</span>
<a name="line-145"></a> <span class='conid'>Left</span> <span class='varid'>e</span> <span class='keyglyph'>-></span> <span class='conid'>Left</span> <span class='varid'>e</span>
<a name="line-146"></a>
<a name="line-147"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-148"></a>
<a name="line-149"></a><span class='comment'>-- RelaxNG attribute names</span>
<a name="line-150"></a>
<a name="line-151"></a><a name="rng_length"></a><span class='definition'>rng_length</span><span class='layout'>,</span> <span class='varid'>rng_maxLength</span><span class='layout'>,</span> <span class='varid'>rng_minLength</span>
<a name="line-152"></a> <span class='layout'>,</span><span class='varid'>rng_maxExclusive</span><span class='layout'>,</span> <span class='varid'>rng_minExclusive</span><span class='layout'>,</span> <span class='varid'>rng_maxInclusive</span><span class='layout'>,</span> <span class='varid'>rng_minInclusive</span> <span class='keyglyph'>::</span> <span class='conid'>String</span>
<a name="line-153"></a>
<a name="line-154"></a><span class='definition'>rng_length</span> <span class='keyglyph'>=</span> <span class='str'>"length"</span>
<a name="line-155"></a><a name="rng_maxLength"></a><span class='definition'>rng_maxLength</span> <span class='keyglyph'>=</span> <span class='str'>"maxLength"</span>
<a name="line-156"></a><a name="rng_minLength"></a><span class='definition'>rng_minLength</span> <span class='keyglyph'>=</span> <span class='str'>"minLength"</span>
<a name="line-157"></a>
<a name="line-158"></a><a name="rng_maxExclusive"></a><span class='definition'>rng_maxExclusive</span> <span class='keyglyph'>=</span> <span class='str'>"maxExclusive"</span>
<a name="line-159"></a><a name="rng_minExclusive"></a><span class='definition'>rng_minExclusive</span> <span class='keyglyph'>=</span> <span class='str'>"minExclusive"</span>
<a name="line-160"></a><a name="rng_maxInclusive"></a><span class='definition'>rng_maxInclusive</span> <span class='keyglyph'>=</span> <span class='str'>"maxInclusive"</span>
<a name="line-161"></a><a name="rng_minInclusive"></a><span class='definition'>rng_minInclusive</span> <span class='keyglyph'>=</span> <span class='str'>"minInclusive"</span>
<a name="line-162"></a>
<a name="line-163"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-164"></a>
<a name="line-165"></a><span class='comment'>-- | Function table type</span>
<a name="line-166"></a>
<a name="line-167"></a><a name="FunctionTable"></a><span class='keyword'>type</span> <span class='conid'>FunctionTable</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'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span><span class='layout'>)</span><span class='keyglyph'>]</span>
<a name="line-168"></a>
<a name="line-169"></a><span class='comment'>-- | Function table for numeric tests,</span>
<a name="line-170"></a><span class='comment'>-- XML document value is first operand, schema value second</span>
<a name="line-171"></a>
<a name="line-172"></a><a name="fctTableNum"></a><span class='definition'>fctTableNum</span> <span class='keyglyph'>::</span> <span class='layout'>(</span><span class='conid'>Ord</span> <span class='varid'>a</span><span class='layout'>,</span> <span class='conid'>Num</span> <span class='varid'>a</span><span class='layout'>)</span> <span class='keyglyph'>=></span> <span class='keyglyph'>[</span><span class='layout'>(</span><span class='conid'>String</span><span class='layout'>,</span> <span class='varid'>a</span> <span class='keyglyph'>-></span> <span class='varid'>a</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span><span class='layout'>)</span><span class='keyglyph'>]</span>
<a name="line-173"></a><span class='definition'>fctTableNum</span>
<a name="line-174"></a> <span class='keyglyph'>=</span> <span class='keyglyph'>[</span> <span class='layout'>(</span><span class='varid'>rng_maxExclusive</span><span class='layout'>,</span> <span class='layout'>(</span><span class='varop'><</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-175"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>rng_minExclusive</span><span class='layout'>,</span> <span class='layout'>(</span><span class='varop'>></span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-176"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>rng_maxInclusive</span><span class='layout'>,</span> <span class='layout'>(</span><span class='varop'><=</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-177"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>rng_minInclusive</span><span class='layout'>,</span> <span class='layout'>(</span><span class='varop'>>=</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-178"></a> <span class='keyglyph'>]</span>
<a name="line-179"></a>
<a name="line-180"></a><a name="fctTableString"></a><span class='comment'>-- | Function table for string tests,</span>
<a name="line-181"></a><span class='comment'>-- XML document value is first operand, schema value second</span>
<a name="line-182"></a><span class='definition'>fctTableString</span> <span class='keyglyph'>::</span> <span class='conid'>FunctionTable</span>
<a name="line-183"></a><span class='definition'>fctTableString</span>
<a name="line-184"></a> <span class='keyglyph'>=</span> <span class='keyglyph'>[</span> <span class='layout'>(</span><span class='varid'>rng_length</span><span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>numParamValid</span> <span class='layout'>(</span><span class='varop'>==</span><span class='layout'>)</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-185"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>rng_maxLength</span><span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>numParamValid</span> <span class='layout'>(</span><span class='varop'><=</span><span class='layout'>)</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-186"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>rng_minLength</span><span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>numParamValid</span> <span class='layout'>(</span><span class='varop'>>=</span><span class='layout'>)</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-187"></a> <span class='keyglyph'>]</span>
<a name="line-188"></a>
<a name="line-189"></a><span class='comment'>-- | Function table for list tests,</span>
<a name="line-190"></a><span class='comment'>-- XML document value is first operand, schema value second</span>
<a name="line-191"></a>
<a name="line-192"></a><a name="fctTableList"></a><span class='definition'>fctTableList</span> <span class='keyglyph'>::</span> <span class='conid'>FunctionTable</span>
<a name="line-193"></a><span class='definition'>fctTableList</span>
<a name="line-194"></a> <span class='keyglyph'>=</span> <span class='keyglyph'>[</span> <span class='layout'>(</span><span class='varid'>rng_length</span><span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>listParamValid</span> <span class='layout'>(</span><span class='varop'>==</span><span class='layout'>)</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-195"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>rng_maxLength</span><span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>listParamValid</span> <span class='layout'>(</span><span class='varop'><=</span><span class='layout'>)</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-196"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>rng_minLength</span><span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>listParamValid</span> <span class='layout'>(</span><span class='varop'>>=</span><span class='layout'>)</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-197"></a> <span class='keyglyph'>]</span>
<a name="line-198"></a>
<a name="line-199"></a><span class='comment'>{- |
<a name="line-200"></a>tests whether a string value matches a numeric param
<a name="line-201"></a>
<a name="line-202"></a>valid example:
<a name="line-203"></a>
<a name="line-204"></a>> <data type="CHAR"> <param name="maxLength">5</param> </data>
<a name="line-205"></a>
<a name="line-206"></a>invalid example:
<a name="line-207"></a>
<a name="line-208"></a>> <data type="CHAR"> <param name="minLength">foo</param> </data>
<a name="line-209"></a>
<a name="line-210"></a>-}</span>
<a name="line-211"></a>
<a name="line-212"></a><a name="numParamValid"></a><span class='definition'>numParamValid</span> <span class='keyglyph'>::</span> <span class='layout'>(</span><span class='conid'>Integer</span> <span class='keyglyph'>-></span> <span class='conid'>Integer</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span><span class='layout'>)</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span>
<a name="line-213"></a><span class='definition'>numParamValid</span> <span class='varid'>fct</span> <span class='varid'>a</span> <span class='varid'>b</span>
<a name="line-214"></a> <span class='keyglyph'>=</span> <span class='varid'>isNumber</span> <span class='varid'>b</span>
<a name="line-215"></a> <span class='varop'>&&</span>
<a name="line-216"></a> <span class='layout'>(</span> <span class='varid'>toInteger</span> <span class='layout'>(</span><span class='varid'>length</span> <span class='varid'>a</span><span class='layout'>)</span> <span class='varop'>`fct`</span> <span class='layout'>(</span><span class='varid'>read</span> <span class='varid'>b</span><span class='layout'>)</span> <span class='layout'>)</span>
<a name="line-217"></a>
<a name="line-218"></a><span class='comment'>{- |
<a name="line-219"></a>tests whether a list value matches a length constraint
<a name="line-220"></a>
<a name="line-221"></a>valid example:
<a name="line-222"></a>
<a name="line-223"></a>> <data type="IDREFS"> <param name="maxLength">5</param> </data>
<a name="line-224"></a>
<a name="line-225"></a>invalid example:
<a name="line-226"></a>
<a name="line-227"></a>> <data type="IDREFS"> <param name="minLength">foo</param> </data>
<a name="line-228"></a>
<a name="line-229"></a>-}</span>
<a name="line-230"></a>
<a name="line-231"></a><a name="listParamValid"></a><span class='definition'>listParamValid</span> <span class='keyglyph'>::</span> <span class='layout'>(</span><span class='conid'>Integer</span> <span class='keyglyph'>-></span> <span class='conid'>Integer</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span><span class='layout'>)</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span>
<a name="line-232"></a><span class='definition'>listParamValid</span> <span class='varid'>fct</span> <span class='varid'>a</span> <span class='varid'>b</span>
<a name="line-233"></a> <span class='keyglyph'>=</span> <span class='varid'>isNumber</span> <span class='varid'>b</span>
<a name="line-234"></a> <span class='varop'>&&</span>
<a name="line-235"></a> <span class='layout'>(</span> <span class='varid'>toInteger</span> <span class='layout'>(</span><span class='varid'>length</span> <span class='varop'>.</span> <span class='varid'>words</span> <span class='varop'>$</span> <span class='varid'>a</span><span class='layout'>)</span> <span class='varop'>`fct`</span> <span class='layout'>(</span><span class='varid'>read</span> <span class='varid'>b</span><span class='layout'>)</span> <span class='layout'>)</span>
<a name="line-236"></a>
<a name="line-237"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-238"></a><span class='comment'>-- new check functions</span>
<a name="line-239"></a>
<a name="line-240"></a><span class='comment'>{- |
<a name="line-241"></a>Tests whether a \"string\" datatype value is between the lower and
<a name="line-242"></a>upper bound of the datatype and matches all parameters.
<a name="line-243"></a>
<a name="line-244"></a>All tests are performed on the string value.
<a name="line-245"></a>
<a name="line-246"></a> * 1.parameter : datatype
<a name="line-247"></a>
<a name="line-248"></a> - 2.parameter : lower bound of the datatype range
<a name="line-249"></a>
<a name="line-250"></a> - 3.parameter : upper bound of the datatype range (-1 = no upper bound)
<a name="line-251"></a>
<a name="line-252"></a> - 4.parameter : list of parameters
<a name="line-253"></a>
<a name="line-254"></a> - 5.parameter : datatype value to be checked
<a name="line-255"></a>
<a name="line-256"></a> - return : Just \"Errormessage\" in case of an error, else Nothing
<a name="line-257"></a>
<a name="line-258"></a>-}</span>
<a name="line-259"></a>
<a name="line-260"></a><a name="stringValid"></a><span class='definition'>stringValid</span> <span class='keyglyph'>::</span> <span class='conid'>DatatypeName</span> <span class='keyglyph'>-></span> <span class='conid'>Integer</span> <span class='keyglyph'>-></span> <span class='conid'>Integer</span> <span class='keyglyph'>-></span> <span class='conid'>ParamList</span> <span class='keyglyph'>-></span> <span class='conid'>CheckString</span>
<a name="line-261"></a><span class='definition'>stringValid</span> <span class='keyglyph'>=</span> <span class='varid'>stringValidFT</span> <span class='varid'>fctTableString</span>
<a name="line-262"></a>
<a name="line-263"></a><a name="stringValidFT"></a><span class='definition'>stringValidFT</span> <span class='keyglyph'>::</span> <span class='conid'>FunctionTable</span> <span class='keyglyph'>-></span> <span class='conid'>DatatypeName</span> <span class='keyglyph'>-></span> <span class='conid'>Integer</span> <span class='keyglyph'>-></span> <span class='conid'>Integer</span> <span class='keyglyph'>-></span> <span class='conid'>ParamList</span> <span class='keyglyph'>-></span> <span class='conid'>CheckString</span>
<a name="line-264"></a><span class='definition'>stringValidFT</span> <span class='varid'>ft</span> <span class='varid'>datatype</span> <span class='varid'>lowerBound</span> <span class='varid'>upperBound</span> <span class='varid'>params</span>
<a name="line-265"></a> <span class='keyglyph'>=</span> <span class='varid'>assert</span> <span class='varid'>boundsOK</span> <span class='varid'>boundsErr</span>
<a name="line-266"></a> <span class='varop'>>>></span>
<a name="line-267"></a> <span class='varid'>paramsStringValid</span> <span class='varid'>params</span>
<a name="line-268"></a> <span class='keyword'>where</span>
<a name="line-269"></a> <span class='varid'>boundsOK</span> <span class='varid'>v</span>
<a name="line-270"></a> <span class='keyglyph'>=</span> <span class='layout'>(</span> <span class='layout'>(</span><span class='varid'>lowerBound</span> <span class='varop'>==</span> <span class='num'>0</span><span class='layout'>)</span>
<a name="line-271"></a> <span class='varop'>||</span>
<a name="line-272"></a> <span class='layout'>(</span><span class='varid'>toInteger</span> <span class='layout'>(</span><span class='varid'>length</span> <span class='varid'>v</span><span class='layout'>)</span> <span class='varop'>>=</span> <span class='varid'>lowerBound</span><span class='layout'>)</span>
<a name="line-273"></a> <span class='layout'>)</span>
<a name="line-274"></a> <span class='varop'>&&</span>
<a name="line-275"></a> <span class='layout'>(</span> <span class='layout'>(</span><span class='varid'>upperBound</span> <span class='varop'>==</span> <span class='layout'>(</span><span class='comment'>-</span><span class='num'>1</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-276"></a> <span class='varop'>||</span>
<a name="line-277"></a> <span class='layout'>(</span><span class='varid'>toInteger</span> <span class='layout'>(</span><span class='varid'>length</span> <span class='varid'>v</span><span class='layout'>)</span> <span class='varop'><=</span> <span class='varid'>upperBound</span><span class='layout'>)</span>
<a name="line-278"></a> <span class='layout'>)</span>
<a name="line-279"></a>
<a name="line-280"></a> <span class='varid'>boundsErr</span> <span class='varid'>v</span>
<a name="line-281"></a> <span class='keyglyph'>=</span> <span class='str'>"Length of "</span> <span class='varop'>++</span> <span class='varid'>v</span>
<a name="line-282"></a> <span class='varop'>++</span> <span class='str'>" ("</span> <span class='varop'>++</span> <span class='layout'>(</span><span class='varid'>show</span> <span class='varop'>$</span> <span class='varid'>length</span> <span class='varid'>v</span><span class='layout'>)</span> <span class='varop'>++</span> <span class='str'>" chars) out of range: "</span>
<a name="line-283"></a> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>lowerBound</span> <span class='varop'>++</span> <span class='str'>" .. "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>upperBound</span>
<a name="line-284"></a> <span class='varop'>++</span> <span class='str'>" for datatype "</span> <span class='varop'>++</span> <span class='varid'>datatype</span>
<a name="line-285"></a>
<a name="line-286"></a> <span class='varid'>paramStringValid</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> <span class='conid'>CheckString</span>
<a name="line-287"></a> <span class='varid'>paramStringValid</span> <span class='layout'>(</span><span class='varid'>pn</span><span class='layout'>,</span> <span class='varid'>pv</span><span class='layout'>)</span>
<a name="line-288"></a> <span class='keyglyph'>=</span> <span class='varid'>assert</span> <span class='varid'>paramOK</span> <span class='layout'>(</span><span class='varid'>errorMsgParam</span> <span class='varid'>pn</span> <span class='varid'>pv</span><span class='layout'>)</span>
<a name="line-289"></a> <span class='keyword'>where</span>
<a name="line-290"></a> <span class='varid'>paramOK</span> <span class='varid'>v</span> <span class='keyglyph'>=</span> <span class='varid'>paramFct</span> <span class='varid'>pn</span> <span class='varid'>v</span> <span class='varid'>pv</span>
<a name="line-291"></a> <span class='varid'>paramFct</span> <span class='varid'>n</span> <span class='keyglyph'>=</span> <span class='varid'>fromMaybe</span> <span class='layout'>(</span><span class='varid'>const</span> <span class='varop'>.</span> <span class='varid'>const</span> <span class='varop'>$</span> <span class='conid'>True</span><span class='layout'>)</span> <span class='varop'>$</span> <span class='varid'>lookup</span> <span class='varid'>n</span> <span class='varid'>ft</span>
<a name="line-292"></a>
<a name="line-293"></a> <span class='varid'>paramsStringValid</span> <span class='keyglyph'>::</span> <span class='conid'>ParamList</span> <span class='keyglyph'>-></span> <span class='conid'>CheckString</span>
<a name="line-294"></a> <span class='varid'>paramsStringValid</span>
<a name="line-295"></a> <span class='keyglyph'>=</span> <span class='varid'>foldr</span> <span class='layout'>(</span><span class='varop'>>>></span><span class='layout'>)</span> <span class='varid'>ok</span> <span class='varop'>.</span> <span class='varid'>map</span> <span class='varid'>paramStringValid</span>
<a name="line-296"></a>
<a name="line-297"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-298"></a>
<a name="line-299"></a><span class='comment'>{- |
<a name="line-300"></a>Tests whether a \"numeric\" datatype value is between the lower and upper
<a name="line-301"></a>bound of the datatype and matches all parameters.
<a name="line-302"></a>
<a name="line-303"></a>First, the string value is parsed into a numeric representation.
<a name="line-304"></a>If no error occur, all following tests are performed on the numeric value.
<a name="line-305"></a>
<a name="line-306"></a> * 1.parameter : datatype
<a name="line-307"></a>
<a name="line-308"></a> - 2.parameter : lower bound of the datatype range
<a name="line-309"></a>
<a name="line-310"></a> - 3.parameter : upper bound of the datatype range (-1 = no upper bound)
<a name="line-311"></a>
<a name="line-312"></a> - 4.parameter : list of parameters
<a name="line-313"></a>
<a name="line-314"></a> - 5.parameter : datatype value to be checked
<a name="line-315"></a>
<a name="line-316"></a> - return : Just \"Errormessage\" in case of an error, else Nothing
<a name="line-317"></a>
<a name="line-318"></a>-}</span>
<a name="line-319"></a>
<a name="line-320"></a><a name="numberValid"></a><span class='definition'>numberValid</span> <span class='keyglyph'>::</span> <span class='conid'>DatatypeName</span> <span class='keyglyph'>-></span> <span class='conid'>Integer</span> <span class='keyglyph'>-></span> <span class='conid'>Integer</span> <span class='keyglyph'>-></span> <span class='conid'>ParamList</span> <span class='keyglyph'>-></span> <span class='conid'>CheckString</span>
<a name="line-321"></a><span class='definition'>numberValid</span> <span class='varid'>datatype</span> <span class='varid'>lowerBound</span> <span class='varid'>upperBound</span> <span class='varid'>params</span>
<a name="line-322"></a> <span class='keyglyph'>=</span> <span class='varid'>assert</span> <span class='varid'>isNumber</span> <span class='varid'>numErr</span>
<a name="line-323"></a> <span class='varop'>>>></span>
<a name="line-324"></a> <span class='varid'>checkWith</span> <span class='varid'>read</span> <span class='layout'>(</span> <span class='varid'>assert</span> <span class='varid'>inRange</span> <span class='varid'>rangeErr</span>
<a name="line-325"></a> <span class='varop'>>>></span>
<a name="line-326"></a> <span class='varid'>paramsNumValid</span> <span class='varid'>params</span>
<a name="line-327"></a> <span class='layout'>)</span>
<a name="line-328"></a> <span class='keyword'>where</span>
<a name="line-329"></a> <span class='varid'>inRange</span> <span class='keyglyph'>::</span> <span class='conid'>Integer</span> <span class='keyglyph'>-></span> <span class='conid'>Bool</span>
<a name="line-330"></a> <span class='varid'>inRange</span> <span class='varid'>x</span> <span class='keyglyph'>=</span> <span class='varid'>x</span> <span class='varop'>>=</span> <span class='varid'>lowerBound</span>
<a name="line-331"></a> <span class='varop'>&&</span>
<a name="line-332"></a> <span class='varid'>x</span> <span class='varop'><=</span> <span class='varid'>upperBound</span>
<a name="line-333"></a>
<a name="line-334"></a> <span class='varid'>rangeErr</span> <span class='varid'>v</span> <span class='keyglyph'>=</span> <span class='layout'>(</span> <span class='str'>"Value = "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>v</span> <span class='varop'>++</span> <span class='str'>" out of range: "</span>
<a name="line-335"></a> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>lowerBound</span> <span class='varop'>++</span> <span class='str'>" .. "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>upperBound</span>
<a name="line-336"></a> <span class='varop'>++</span> <span class='str'>" for datatype "</span> <span class='varop'>++</span> <span class='varid'>datatype</span>
<a name="line-337"></a> <span class='layout'>)</span>
<a name="line-338"></a> <span class='varid'>numErr</span> <span class='varid'>v</span>
<a name="line-339"></a> <span class='keyglyph'>=</span> <span class='str'>"Value = "</span> <span class='varop'>++</span> <span class='varid'>v</span> <span class='varop'>++</span> <span class='str'>" is not a number"</span>
<a name="line-340"></a>
<a name="line-341"></a><a name="paramsNumValid"></a><span class='definition'>paramsNumValid</span> <span class='keyglyph'>::</span> <span class='conid'>ParamList</span> <span class='keyglyph'>-></span> <span class='conid'>CheckInteger</span>
<a name="line-342"></a><span class='definition'>paramsNumValid</span>
<a name="line-343"></a> <span class='keyglyph'>=</span> <span class='varid'>foldr</span> <span class='layout'>(</span><span class='varop'>>>></span><span class='layout'>)</span> <span class='varid'>ok</span> <span class='varop'>.</span> <span class='varid'>map</span> <span class='varid'>paramNumValid</span>
<a name="line-344"></a>
<a name="line-345"></a><a name="paramNumValid"></a><span class='definition'>paramNumValid</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> <span class='conid'>CheckInteger</span>
<a name="line-346"></a><span class='definition'>paramNumValid</span> <span class='layout'>(</span><span class='varid'>pn</span><span class='layout'>,</span> <span class='varid'>pv</span><span class='layout'>)</span>
<a name="line-347"></a> <span class='keyglyph'>=</span> <span class='varid'>assert</span> <span class='varid'>paramOK</span> <span class='layout'>(</span><span class='varid'>errorMsgParam</span> <span class='varid'>pn</span> <span class='varid'>pv</span> <span class='varop'>.</span> <span class='varid'>show</span><span class='layout'>)</span>
<a name="line-348"></a> <span class='keyword'>where</span>
<a name="line-349"></a> <span class='varid'>paramOK</span> <span class='varid'>v</span> <span class='keyglyph'>=</span> <span class='varid'>isNumber</span> <span class='varid'>pv</span>
<a name="line-350"></a> <span class='varop'>&&</span>
<a name="line-351"></a> <span class='varid'>paramFct</span> <span class='varid'>pn</span> <span class='varid'>v</span> <span class='layout'>(</span><span class='varid'>read</span> <span class='varid'>pv</span><span class='layout'>)</span>
<a name="line-352"></a> <span class='varid'>paramFct</span> <span class='varid'>n</span> <span class='keyglyph'>=</span> <span class='varid'>fromJust</span> <span class='varop'>$</span> <span class='varid'>lookup</span> <span class='varid'>n</span> <span class='varid'>fctTableNum</span>
<a name="line-353"></a>
<a name="line-354"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-355"></a>
<a name="line-356"></a><span class='comment'>{- |
<a name="line-357"></a>Error Message for the equality test of two datatype values
<a name="line-358"></a>
<a name="line-359"></a> * 1.parameter : datatype
<a name="line-360"></a>
<a name="line-361"></a> - 2.parameter : datatype value
<a name="line-362"></a>
<a name="line-363"></a> - 3.parameter : datatype value
<a name="line-364"></a>
<a name="line-365"></a>example:
<a name="line-366"></a>
<a name="line-367"></a>> errorMsgEqual "Int" "21" "42" -> "Datatype Int with value = 21 expected, but value = 42 found"
<a name="line-368"></a>
<a name="line-369"></a>-}</span>
<a name="line-370"></a>
<a name="line-371"></a><a name="errorMsgParam"></a><span class='definition'>errorMsgParam</span> <span class='keyglyph'>::</span> <span class='conid'>LocalName</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-372"></a><span class='definition'>errorMsgParam</span> <span class='varid'>pn</span> <span class='varid'>pv</span> <span class='varid'>v</span>
<a name="line-373"></a> <span class='keyglyph'>=</span> <span class='layout'>(</span> <span class='str'>"Parameter restriction: \""</span>
<a name="line-374"></a> <span class='varop'>++</span> <span class='varid'>pn</span> <span class='varop'>++</span> <span class='str'>" = "</span> <span class='varop'>++</span> <span class='varid'>pv</span>
<a name="line-375"></a> <span class='varop'>++</span> <span class='str'>"\" does not hold for value = \""</span> <span class='varop'>++</span> <span class='varid'>v</span> <span class='varop'>++</span> <span class='str'>"\""</span>
<a name="line-376"></a> <span class='layout'>)</span>
<a name="line-377"></a>
<a name="line-378"></a><a name="errorMsgEqual"></a><span class='definition'>errorMsgEqual</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'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-379"></a><span class='definition'>errorMsgEqual</span> <span class='varid'>d</span> <span class='varid'>s1</span> <span class='varid'>s2</span>
<a name="line-380"></a> <span class='keyglyph'>=</span> <span class='layout'>(</span> <span class='str'>"Datatype"</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>d</span> <span class='varop'>++</span>
<a name="line-381"></a> <span class='str'>" with value = "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>s1</span> <span class='varop'>++</span>
<a name="line-382"></a> <span class='str'>" expected, but value = "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>s2</span> <span class='varop'>++</span> <span class='str'>" found"</span>
<a name="line-383"></a> <span class='layout'>)</span>
<a name="line-384"></a><a name="errorMsgDataTypeNotAllowed"></a><span class='definition'>errorMsgDataTypeNotAllowed</span> <span class='keyglyph'>::</span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</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'>String</span><span class='layout'>)</span><span class='keyglyph'>]</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-385"></a><span class='definition'>errorMsgDataTypeNotAllowed</span> <span class='varid'>l</span> <span class='varid'>t</span> <span class='varid'>p</span> <span class='varid'>v</span>
<a name="line-386"></a> <span class='keyglyph'>=</span> <span class='layout'>(</span> <span class='str'>"Datatype "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>t</span> <span class='varop'>++</span> <span class='str'>" with parameter(s) "</span> <span class='varop'>++</span>
<a name="line-387"></a> <span class='varid'>formatStringListPairs</span> <span class='varid'>p</span> <span class='varop'>++</span> <span class='str'>" and value = "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>v</span> <span class='varop'>++</span>
<a name="line-388"></a> <span class='str'>" not allowed for DatatypeLibrary "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>l</span>
<a name="line-389"></a> <span class='layout'>)</span>
<a name="line-390"></a>
<a name="line-391"></a><a name="errorMsgDataTypeNotAllowed0"></a><span class='definition'>errorMsgDataTypeNotAllowed0</span> <span class='keyglyph'>::</span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-392"></a><span class='definition'>errorMsgDataTypeNotAllowed0</span> <span class='varid'>l</span> <span class='varid'>t</span>
<a name="line-393"></a> <span class='keyglyph'>=</span> <span class='layout'>(</span> <span class='str'>"Datatype "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>t</span> <span class='varop'>++</span>
<a name="line-394"></a> <span class='str'>" not allowed for DatatypeLibrary "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>l</span>
<a name="line-395"></a> <span class='layout'>)</span>
<a name="line-396"></a><a name="errorMsgDataTypeNotAllowed2"></a><span class='definition'>errorMsgDataTypeNotAllowed2</span> <span class='keyglyph'>::</span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-397"></a><span class='definition'>errorMsgDataTypeNotAllowed2</span> <span class='varid'>l</span> <span class='varid'>t</span> <span class='varid'>v1</span> <span class='varid'>v2</span>
<a name="line-398"></a> <span class='keyglyph'>=</span> <span class='layout'>(</span> <span class='str'>"Datatype "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>t</span> <span class='varop'>++</span>
<a name="line-399"></a> <span class='str'>" with values = "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>v1</span> <span class='varop'>++</span>
<a name="line-400"></a> <span class='str'>" and "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>v2</span> <span class='varop'>++</span>
<a name="line-401"></a> <span class='str'>" not allowed for DatatypeLibrary "</span> <span class='varop'>++</span> <span class='varid'>show</span> <span class='varid'>l</span>
<a name="line-402"></a> <span class='layout'>)</span>
<a name="line-403"></a>
<a name="line-404"></a><a name="errorMsgDataLibQName"></a><span class='definition'>errorMsgDataLibQName</span> <span class='keyglyph'>::</span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>String</span>
<a name="line-405"></a><span class='definition'>errorMsgDataLibQName</span> <span class='varid'>l</span> <span class='varid'>n</span> <span class='varid'>v</span>
<a name="line-406"></a> <span class='keyglyph'>=</span> <span class='varid'>show</span> <span class='varid'>v</span> <span class='varop'>++</span> <span class='str'>" is not a valid "</span> <span class='varop'>++</span> <span class='varid'>n</span> <span class='varop'>++</span> <span class='str'>" for DatatypeLibrary "</span> <span class='varop'>++</span> <span class='varid'>l</span>
<a name="line-407"></a>
<a name="line-408"></a><span class='comment'>-- ------------------------------------------------------------</span>
</pre></body>
</html>