63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
/*
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* POSIX platform functions.
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*/
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#ifndef WIN32
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#include "native.h"
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#include "generic.h"
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#include <stdlib.h>
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#include <errno.h>
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#include <xlocale.h>
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#include <langinfo.h>
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#include <string.h>
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void mark_failed_with_errno(JNIEnv *env, const char* message, jobject result) {
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mark_failed_with_code(env, message, errno, result);
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}
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char* java_to_char(JNIEnv *env, jstring string, jobject result) {
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// TODO - share this code with nnn_getSystemInfo() below
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// Empty string means load locale from environment.
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locale_t locale = newlocale(LC_CTYPE_MASK, "", NULL);
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if (locale == NULL) {
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mark_failed_with_message(env, "could not create locale", result);
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return NULL;
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}
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jstring encoding = env->NewStringUTF(nl_langinfo_l(CODESET, locale));
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freelocale(locale);
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jclass strClass = env->FindClass("java/lang/String");
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jmethodID method = env->GetMethodID(strClass, "getBytes", "(Ljava/lang/String;)[B");
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jbyteArray byteArray = (jbyteArray)env->CallObjectMethod(string, method, encoding);
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size_t len = env->GetArrayLength(byteArray);
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char* chars = (char*)malloc(len + 1);
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env->GetByteArrayRegion(byteArray, 0, len, (jbyte*)chars);
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chars[len] = 0;
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return chars;
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}
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jstring char_to_java(JNIEnv* env, const char* chars, jobject result) {
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// TODO - share this code with nnn_getSystemInfo() below
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// Empty string means load locale from environment.
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locale_t locale = newlocale(LC_CTYPE_MASK, "", NULL);
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if (locale == NULL) {
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mark_failed_with_message(env, "could not create locale", result);
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return NULL;
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}
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jstring encoding = env->NewStringUTF(nl_langinfo_l(CODESET, locale));
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freelocale(locale);
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size_t len = strlen(chars);
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jbyteArray byteArray = env->NewByteArray(len);
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jbyte* bytes = env->GetByteArrayElements(byteArray, NULL);
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memcpy(bytes, chars, len);
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env->ReleaseByteArrayElements(byteArray, bytes, JNI_COMMIT);
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jclass strClass = env->FindClass("java/lang/String");
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jmethodID method = env->GetMethodID(strClass, "<init>", "([BLjava/lang/String;)V");
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return (jstring)env->NewObject(strClass, method, byteArray, encoding);
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}
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#endif
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