a7f49a2585
* rename swig files .i in .swig * update constraint_solver and routing * backport math_opt changes * move dynamic loading to ortools/third_party_solvers
92 lines
3.0 KiB
Plaintext
92 lines
3.0 KiB
Plaintext
// Copyright 2010-2025 Google LLC
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/* -----------------------------------------------------------------------------
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* absl_string_view.swig
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*
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* Typemaps for absl::string_view
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* This is mapped to a Java String and is passed around by value.
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* -------------------------------------------------------------------------- */
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%{
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#include "absl/strings/string_view.h"
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#include <string>
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%}
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namespace absl {
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%naturalvar string_view;
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class string_view;
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// string_view
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%typemap(jni) string_view "jstring"
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%typemap(jtype) string_view "String"
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%typemap(jstype) string_view "String"
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%typemap(javadirectorin) string_view "$jniinput"
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%typemap(javadirectorout) string_view "$javacall"
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%typemap(in) string_view
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%{ if(!$input) {
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SWIG_JavaThrowException(jenv, SWIG_JavaNullPointerException, "null string");
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return $null;
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}
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const char *$1_pstr = (const char *)jenv->GetStringUTFChars($input, 0);
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if (!$1_pstr) return $null;
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$1 = absl::string_view($1_pstr); %}
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/* absl::string_view requires the string data to remain valid while the
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* string_view is in use. */
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%typemap(freearg) string_view
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%{ jenv->ReleaseStringUTFChars($input, $1_pstr); %}
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%typemap(directorout,warning=SWIGWARN_TYPEMAP_THREAD_UNSAFE_MSG) string_view
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%{ if(!$input) {
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if (!jenv->ExceptionCheck()) {
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SWIG_JavaThrowException(jenv, SWIG_JavaNullPointerException, "null string");
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}
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return $null;
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}
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const char *$1_pstr = (const char *)jenv->GetStringUTFChars($input, 0);
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if (!$1_pstr) return $null;
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/* possible thread/reentrant code problem */
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static std::string $1_str;
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$1_str = $1_pstr;
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$result = absl::string_view($1_str);
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jenv->ReleaseStringUTFChars($input, $1_pstr); %}
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/* absl::string_view::data() isn't zero-byte terminated, but NewStringUTF()
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* requires a zero byte so it seems we have to make a copy (ick). The
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* cleanest way to do that seems to be via a temporary std::string.
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*/
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%typemap(directorin,descriptor="Ljava/lang/String;") string_view
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%{ $input = jenv->NewStringUTF(std::string($1).c_str());
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Swig::LocalRefGuard $1_refguard(jenv, $input); %}
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%typemap(out) string_view
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%{ $result = jenv->NewStringUTF(std::string($1).c_str()); %}
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%typemap(javain) string_view "$javainput"
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%typemap(javaout) string_view {
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return $jnicall;
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}
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%typemap(typecheck) string_view = char *;
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%typemap(throws) string_view
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%{ SWIG_JavaThrowException(jenv, SWIG_JavaRuntimeException, std::string($1).c_str());
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return $null; %}
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} // namespace absl
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