Enum typemaps taken out of java.swg
New typemap files for the different C/C++ to Java enum wrapping approaches. git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@5921 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
William S Fulton
parent
5767cdfa94
commit
e7777f2adb
5 changed files with 234 additions and 19 deletions
76
SWIG/Lib/java/enums.swg
Normal file
76
SWIG/Lib/java/enums.swg
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@ -0,0 +1,76 @@
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/* -----------------------------------------------------------------------------
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* Include this file in order for C/C++ enums to be wrapped by proper Java enums.
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* Note that the JNI layer handles the enum as an int. The Java enum has extra
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* code generated to store the C++ int value. This is required for C++ enums that
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* specify a value for the enum item, as native Java enums do not support this.
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* ----------------------------------------------------------------------------- */
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%typemap(jni) enum SWIGTYPE "jint"
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%typemap(jtype) enum SWIGTYPE "int"
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%typemap(jstype) enum SWIGTYPE "$javaclassname"
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%typemap(in) enum SWIGTYPE %{ $1 = ($1_ltype)$input; %}
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%typemap(out) enum SWIGTYPE %{ $result = (jint)$1; %}
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%typemap(directorin, descriptor="I") enum SWIGTYPE "$input = (jint) $1;"
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%typemap(javadirectorin) enum SWIGTYPE "$jniinput"
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%typemap(javadirectorout) enum SWIGTYPE "$javacall"
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%typecheck(SWIG_TYPECHECK_INT32) enum SWIGTYPE ""
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%typemap(javain) enum SWIGTYPE "$javainput.swigValue()"
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%typemap(javaout) enum SWIGTYPE {
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return $javaclassname.swigToEnum($jnicall);
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}
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%typemap(throws) enum SWIGTYPE {
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SWIG_JavaThrowException(jenv, SWIG_JavaRuntimeException, "C++ $1_type exception thrown");
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}
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%typemap(javain) enum SWIGTYPE "$javainput.swigValue()"
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%typemap(javaout) enum SWIGTYPE {
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return $javaclassname.swigToEnum($jnicall);
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}
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%typemap(javaclassmodifiers) enum SWIGTYPE "public enum"
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/*
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* SwigNext static inner class used instead of a static int as static fields cannot be accessed from enum initialisers.
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* The swigToEnum method is used to find the Java 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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*/
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%typemap(javagetcptr) enum SWIGTYPE %{
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public final int swigValue() {
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return swigValue;
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}
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public static $javaclassname swigToEnum(int swigValue) {
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$javaclassname[] swigValues = $javaclassname.class.getEnumConstants();
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if (swigValue < swigValues.length && swigValues[swigValue].swigValue == swigValue)
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return swigValues[swigValue];
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for ($javaclassname swigEnum : swigValues)
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if (swigEnum.swigValue == swigValue)
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return swigEnum;
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throw new IllegalArgumentException("No enum " + $javaclassname.class + " with value " + swigValue);
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}
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private $javaclassname() {
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this.swigValue = SwigNext.next++;
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}
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private $javaclassname(int swigValue) {
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this.swigValue = swigValue;
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SwigNext.next = swigValue+1;
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}
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private final int swigValue;
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private static class SwigNext {
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private static int next = 0;
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}
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%}
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%javaenum(proper);
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39
SWIG/Lib/java/enumsimple.swg
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39
SWIG/Lib/java/enumsimple.swg
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@ -0,0 +1,39 @@
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/* -----------------------------------------------------------------------------
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* This file provides backwards compatible enum wrapping. SWIG versions 1.3.21
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* and earlier wrapped global enums with constant integers in the module class
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* or Constants interface. Enums declared within a C++ class were wrapped by
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* constant integers in the Java proxy class.
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* ----------------------------------------------------------------------------- */
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%typemap(jni) enum SWIGTYPE "jint"
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%typemap(jtype) enum SWIGTYPE "int"
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%typemap(jstype) enum SWIGTYPE "int"
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%typemap(in) enum SWIGTYPE %{ $1 = ($1_ltype)$input; %}
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%typemap(out) enum SWIGTYPE %{ $result = (jint)$1; %}
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%typemap(directorin, descriptor="I") enum SWIGTYPE "$input = (jint) $1;"
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%typemap(javadirectorin) enum SWIGTYPE "$jniinput"
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%typemap(javadirectorout) enum SWIGTYPE "$javacall"
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%typecheck(SWIG_TYPECHECK_INT32) enum SWIGTYPE ""
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%typemap(javain) enum SWIGTYPE "$javainput.swigValue()"
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%typemap(javaout) enum SWIGTYPE {
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return $javaclassname.swigToEnum($jnicall);
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}
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%typemap(throws) enum SWIGTYPE {
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SWIG_JavaThrowException(jenv, SWIG_JavaRuntimeException, "C++ $1_type exception thrown");
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}
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%typemap(javain) enum SWIGTYPE "$javainput"
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%typemap(javaout) enum SWIGTYPE {
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return $jnicall;
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}
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%typemap(javaclassmodifiers) enum SWIGTYPE ""
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%typemap(javagetcptr) enum SWIGTYPE ""
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%javaenum(simple);
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68
SWIG/Lib/java/enumtypesafe.swg
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68
SWIG/Lib/java/enumtypesafe.swg
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@ -0,0 +1,68 @@
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/* -----------------------------------------------------------------------------
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* Include this file in order for C/C++ enums to be wrapped by the so called
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* typesafe enum pattern. Each enum has an equivalent Java class named after the
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* enum and each enum item is a static instance of this class.
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* ----------------------------------------------------------------------------- */
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%typemap(jni) enum SWIGTYPE "jint"
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%typemap(jtype) enum SWIGTYPE "int"
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%typemap(jstype) enum SWIGTYPE "$javaclassname"
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%typemap(in) enum SWIGTYPE %{ $1 = ($1_ltype)$input; %}
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%typemap(out) enum SWIGTYPE %{ $result = (jint)$1; %}
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%typemap(directorin, descriptor="I") enum SWIGTYPE "$input = (jint) $1;"
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%typemap(javadirectorin) enum SWIGTYPE "$jniinput"
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%typemap(javadirectorout) enum SWIGTYPE "$javacall"
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%typecheck(SWIG_TYPECHECK_INT32) enum SWIGTYPE ""
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%typemap(javain) enum SWIGTYPE "$javainput.swigValue()"
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%typemap(javaout) enum SWIGTYPE {
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return $javaclassname.swigToEnum($jnicall);
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}
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%typemap(throws) enum SWIGTYPE {
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SWIG_JavaThrowException(jenv, SWIG_JavaRuntimeException, "C++ $1_type exception thrown");
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}
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// '$static' will be replaced with either 'static' or nothing depending on whether the enum is an inner Java class or not
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%typemap(javaclassmodifiers) enum SWIGTYPE "public $static class"
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/*
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* The swigToEnum method is used to find the Java 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(javagetcptr) enum SWIGTYPE %{
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public final int swigValue() {
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return swigValue;
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}
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public static $javaclassname 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 IllegalArgumentException("No enum " + $javaclassname.class + " with value " + swigValue);
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}
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private $javaclassname() {
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this.swigValue = next++;
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}
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private $javaclassname(int swigValue) {
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this.swigValue = swigValue;
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next = swigValue+1;
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}
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private static $javaclassname[] swigValues = { $enumvalues };
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private static int next = 0;
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private final int swigValue;
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%}
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%javaenum(typesafe);
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40
SWIG/Lib/java/enumtypeunsafe.swg
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40
SWIG/Lib/java/enumtypeunsafe.swg
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/* -----------------------------------------------------------------------------
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* Include this file in order for C/C++ enums to be wrapped by integers values.
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* Each enum has an equivalent class named after the enum and the enum items are
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* wrapped by constant integers within this class. The enum items are not
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* typesafe as they are all integers.
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* ----------------------------------------------------------------------------- */
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%typemap(jni) enum SWIGTYPE "jint"
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%typemap(jtype) enum SWIGTYPE "int"
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%typemap(jstype) enum SWIGTYPE "int"
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%typemap(in) enum SWIGTYPE %{ $1 = ($1_ltype)$input; %}
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%typemap(out) enum SWIGTYPE %{ $result = (jint)$1; %}
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%typemap(directorin, descriptor="I") enum SWIGTYPE "$input = (jint) $1;"
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%typemap(javadirectorin) enum SWIGTYPE "$jniinput"
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%typemap(javadirectorout) enum SWIGTYPE "$javacall"
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%typecheck(SWIG_TYPECHECK_INT32) enum SWIGTYPE ""
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%typemap(javain) enum SWIGTYPE "$javainput.swigValue()"
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%typemap(javaout) enum SWIGTYPE {
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return $javaclassname.swigToEnum($jnicall);
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}
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%typemap(throws) enum SWIGTYPE {
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SWIG_JavaThrowException(jenv, SWIG_JavaRuntimeException, "C++ $1_type exception thrown");
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}
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%typemap(javain) enum SWIGTYPE "$javainput"
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%typemap(javaout) enum SWIGTYPE {
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return $jnicall;
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}
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// '$static' will be replaced with either 'static' or nothing depending on whether the enum is an inner Java class or not
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%typemap(javaclassmodifiers) enum SWIGTYPE "public $static class"
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%typemap(javagetcptr) enum SWIGTYPE ""
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%javaenum(typeunsafe);
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@ -146,10 +146,6 @@
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%typemap(jtype) SWIGTYPE & "long"
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%typemap(jstype) SWIGTYPE & "$javaclassname"
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%typemap(jni) enum SWIGTYPE "jint"
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%typemap(jtype) enum SWIGTYPE "int"
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%typemap(jstype) enum SWIGTYPE "int"
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/* pointer to a class member */
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%typemap(jni) SWIGTYPE (CLASS::*) "jlong"
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%typemap(jtype) SWIGTYPE (CLASS::*) "long"
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@ -175,8 +171,7 @@
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unsigned long,
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long long,
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float,
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double,
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enum SWIGTYPE
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double
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%{ $1 = ($1_ltype)$input; %}
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%typemap(directorin, descriptor="Z") bool "$input = (jboolean) $1;"
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@ -192,7 +187,6 @@
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%typemap(directorin, descriptor="J") long long "$input = (jlong) $1;"
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%typemap(directorin, descriptor="F") float "$input = (jfloat) $1;"
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%typemap(directorin, descriptor="D") double "$input = (jdouble) $1;"
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%typemap(directorin, descriptor="I") enum SWIGTYPE "$input = (jint) $1;"
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%typemap(javadirectorin) char,
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signed char,
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@ -205,8 +199,7 @@
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unsigned long,
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long long,
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float,
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double,
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enum SWIGTYPE
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double
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"$jniinput"
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%typemap(javadirectorout) char,
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unsigned long,
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long long,
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float,
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double,
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enum SWIGTYPE
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double
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"$javacall"
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%typemap(out) bool %{ $result = (jboolean)$1; %}
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@ -237,7 +229,6 @@
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%typemap(out) long long %{ $result = (jlong)$1; %}
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%typemap(out) float %{ $result = (jfloat)$1; %}
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%typemap(out) double %{ $result = (jdouble)$1; %}
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%typemap(out) enum SWIGTYPE %{ $result = (jint)$1; %}
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/* unsigned long long */
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/* Convert from BigInteger using the toByteArray member function */
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@ -681,8 +672,7 @@
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long,
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const unsigned short &,
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const int &,
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const long &,
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enum SWIGTYPE
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const long &
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""
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%typecheck(SWIG_TYPECHECK_INT64) /* Java long */
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@ -806,8 +796,7 @@
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float, const float &,
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double, const double &,
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char *,
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char[ANY],
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enum SWIGTYPE
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char[ANY]
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"$javainput"
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%typemap(javain) jboolean,
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jchar,
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@ -849,8 +838,7 @@
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float, const float &,
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double, const double &,
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char *,
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char[ANY],
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enum SWIGTYPE {
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char[ANY] {
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return $jnicall;
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}
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%typemap(javaout) jboolean,
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@ -927,9 +915,9 @@
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/* Java specific directives */
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#define %javaconst(flag) %feature("java:const","flag")
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#define %javaenum(wrapapproach) %feature("java:enum","wrapapproach")
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#define %javamethodmodifiers %feature("java:methodmodifiers")
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/* Some ANSI C typemaps */
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%apply long { size_t };
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@ -937,3 +925,7 @@
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/* java keywords */
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/* please test and activate */
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//%include "javakw.swg"
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// Default enum handling
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%include "enumtypesafe.swg"
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