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< a href = "jniutil_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #ifndef OR_TOOLS_BASE_JNIUTIL_H_< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #define OR_TOOLS_BASE_JNIUTIL_H_< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "preprocessor" > #include < jni.h> < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include < string> < / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "preprocessor" > #include " < a class = "code" href = "base_2logging_8h.html" > ortools/base/logging.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > < a class = "line" href = "class_j_n_i_util.html" > 23< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "class_j_n_i_util.html" > JNIUtil< / a > {< / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "comment" > // Creates a Java jstring from a null-terminated UTF-8 encoded C String.< / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "comment" > // The caller must delete the jstring reference.< / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > < a class = "line" href = "class_j_n_i_util.html#afe22e1d61c504c8826aaa1dc2a58218b" > 27< / a > < / span > < span class = "keyword" > static< / span > jstring < a class = "code hl_function" href = "class_j_n_i_util.html#afe22e1d61c504c8826aaa1dc2a58218b" > MakeJString< / a > (JNIEnv* env, < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > * cstr) {< / div >
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< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "keywordflow" > if< / span > (cstr == < span class = "keyword" > nullptr< / span > ) < span class = "keywordflow" > return< / span > < span class = "keyword" > nullptr< / span > ;< / div >
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< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "keywordflow" > return< / span > env-> NewStringUTF(cstr);< / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > }< / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < span class = "comment" > // Creates a null-terminated UTF-8 encoded C string from a jstring.< / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "comment" > // The returned string should be " delete[]" -ed when no longer needed.< / span > < / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > < a class = "line" href = "class_j_n_i_util.html#a561b02f53fb54e4b7e23b7675ca18927" > 34< / a > < / span > < span class = "keyword" > static< / span > < span class = "keywordtype" > char< / span > * < a class = "code hl_function" href = "class_j_n_i_util.html#a561b02f53fb54e4b7e23b7675ca18927" > MakeCString< / a > (JNIEnv* env, jstring str) {< / div >
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< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "keywordflow" > if< / span > (str == < span class = "keyword" > nullptr< / span > ) < span class = "keywordflow" > return< / span > < span class = "keyword" > nullptr< / span > ;< / div >
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< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > jsize length = env-> GetStringUTFLength(str);< / div >
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< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > * src = env-> GetStringUTFChars(str, < span class = "keyword" > nullptr< / span > );< / div >
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< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < span class = "keywordtype" > char< / span > * dst = < span class = "keyword" > new< / span > < span class = "keywordtype" > char< / span > [length + 1];< / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > memcpy(dst, src, length);< / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > dst[length] = < span class = "charliteral" > ' \0' < / span > ;< / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > env-> ReleaseStringUTFChars(str, src);< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < span class = "keywordflow" > return< / span > dst;< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > }< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "comment" > // Creates a new char array from a jbyteArray.< / span > < / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < span class = "comment" > // The caller must delete[] the returned array.< / span > < / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > < a class = "line" href = "class_j_n_i_util.html#a79950a3e967d6e3fcd56b00eab2a51e8" > 47< / a > < / span > < span class = "keyword" > static< / span > < span class = "keywordtype" > char< / span > * < a class = "code hl_function" href = "class_j_n_i_util.html#a79950a3e967d6e3fcd56b00eab2a51e8" > MakeCharArray< / a > (JNIEnv* env, jbyteArray < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > , < span class = "keywordtype" > int< / span > * size) {< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > jsize n = env-> GetArrayLength(< a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > );< / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > *size = n;< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > jbyte* jba = < span class = "keyword" > new< / span > jbyte[n];< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > env-> GetByteArrayRegion(< a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > , 0, n, jba);< / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "comment" > // We make use of the fact that jbyte' s are really just chars.< / span > < / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > < span class = "comment" > // If this changes (different VM, etc.) things will break.< / span > < / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > reinterpret_cast< < / span > < span class = "keywordtype" > char< / span > *< span class = "keyword" > > < / span > (jba);< / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > }< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "comment" > // Produces a jbyteArray from a char array.< / span > < / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > < a class = "line" href = "class_j_n_i_util.html#a2224bd53075f9bdb75729359d470e6f9" > 59< / a > < / span > < span class = "keyword" > static< / span > jbyteArray < a class = "code hl_function" href = "class_j_n_i_util.html#a2224bd53075f9bdb75729359d470e6f9" > MakeJByteArray< / a > (JNIEnv* env, < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > * < a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > , < span class = "keywordtype" > int< / span > size) {< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < span class = "comment" > // Create empty array object< / span > < / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > jbyteArray output = env-> NewByteArray(size);< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "comment" > // Fill it< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > env-> SetByteArrayRegion(output, 0, size, < span class = "keyword" > reinterpret_cast< < / span > < span class = "keyword" > const < / span > jbyte*< span class = "keyword" > > < / span > (< a class = "code hl_variable" href = "constraint__solver_2table_8cc.html#acb18315d548212835cd8ed4287e6c0b6" > a< / a > ));< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < span class = "keywordflow" > return< / span > output;< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > }< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > };< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // OR_TOOLS_BASE_JNIUTIL_H_< / span > < / div >
< div class = "ttc" id = "abase_2logging_8h_html" > < div class = "ttname" > < a href = "base_2logging_8h.html" > logging.h< / a > < / div > < / div >
< div class = "ttc" id = "aclass_j_n_i_util_html" > < div class = "ttname" > < a href = "class_j_n_i_util.html" > JNIUtil< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "jniutil_8h_source.html#l00023" > jniutil.h:23< / a > < / div > < / div >
< div class = "ttc" id = "aclass_j_n_i_util_html_a2224bd53075f9bdb75729359d470e6f9" > < div class = "ttname" > < a href = "class_j_n_i_util.html#a2224bd53075f9bdb75729359d470e6f9" > JNIUtil::MakeJByteArray< / a > < / div > < div class = "ttdeci" > static jbyteArray MakeJByteArray(JNIEnv *env, const char *a, int size)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "jniutil_8h_source.html#l00059" > jniutil.h:59< / a > < / div > < / div >
< div class = "ttc" id = "aclass_j_n_i_util_html_a561b02f53fb54e4b7e23b7675ca18927" > < div class = "ttname" > < a href = "class_j_n_i_util.html#a561b02f53fb54e4b7e23b7675ca18927" > JNIUtil::MakeCString< / a > < / div > < div class = "ttdeci" > static char * MakeCString(JNIEnv *env, jstring str)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "jniutil_8h_source.html#l00034" > jniutil.h:34< / a > < / div > < / div >
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