de4c1d3322
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@6204 626c5289-ae23-0410-ae9c-e8d60b6d4f22
73 lines
2.6 KiB
Text
73 lines
2.6 KiB
Text
/* -----------------------------------------------------------------------------
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* Include this file in order for C/C++ enums to be wrapped by the so called
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* typesafe enum pattern. Each enum has an equivalent C# class named after the
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* enum and each enum item is a static instance of this class.
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* ----------------------------------------------------------------------------- */
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%typemap(ctype) enum SWIGTYPE "int"
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%typemap(imtype) enum SWIGTYPE "int"
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%typemap(cstype) enum SWIGTYPE "$csclassname"
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%typemap(in) enum SWIGTYPE %{ $1 = ($1_ltype)$input; %}
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%typemap(out) enum SWIGTYPE %{ $result = $1; %}
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%typecheck(SWIG_TYPECHECK_INT32) enum SWIGTYPE ""
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%typemap(throws) enum SWIGTYPE %{
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(void)$1;
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SWIG_CSharpThrowException(SWIG_CSharpException, "C++ $1_type exception thrown");
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%}
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%typemap(csin) enum SWIGTYPE "$csinput.swigValue"
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%typemap(csout) enum SWIGTYPE {
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return $csclassname.swigToEnum($imcall);
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}
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%typemap(csvarout) enum SWIGTYPE %{
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get {
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return $csclassname.swigToEnum($imcall);
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} %}
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%typemap(csclassmodifiers) enum SWIGTYPE "public sealed class"
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/*
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* The swigToEnum method is used to find the C# enum from a C++ enum integer value. The default one here takes
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* advantage of the fact that most enums do not have initial values specified, so the lookup is fast. If initial
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* values are specified then a lengthy linear search through all possible enums might occur. Specific typemaps could be
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* written to possibly optimise this lookup by taking advantage of characteristics peculiar to the targeted enum.
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* The special variable, $enumvalues, is replaced with a comma separated list of all the enum values.
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*/
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%typemap(csbody) enum SWIGTYPE %{
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public readonly int swigValue;
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public static $csclassname swigToEnum(int swigValue) {
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if (swigValue < swigValues.Length && swigValues[swigValue].swigValue == swigValue)
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return swigValues[swigValue];
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for (int i = 0; i < swigValues.Length; i++)
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if (swigValues[i].swigValue == swigValue)
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return swigValues[i];
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throw new System.ArgumentOutOfRangeException("No enum $csclassname with value " + swigValue);
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}
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public override string ToString() {
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return swigName;
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}
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private $csclassname(string swigName) {
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this.swigName = swigName;
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this.swigValue = swigNext++;
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}
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private $csclassname(string swigName, int swigValue) {
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this.swigName = swigName;
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this.swigValue = swigValue;
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swigNext = swigValue+1;
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}
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private static $csclassname[] swigValues = { $enumvalues };
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private static int swigNext = 0;
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private readonly string swigName;
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%}
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%csenum(typesafe);
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