Implemented Process working directory methods on windows, and fixed file system details.
This commit is contained in:
Adam Murdoch
@@ -1,357 +1,411 @@
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/*
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* Copyright 2012 Adam Murdoch
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*
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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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#ifdef WIN32
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#include "native.h"
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#include "generic.h"
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#include <windows.h>
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#include <wchar.h>
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/*
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* Marks the given result as failed, using the current value of GetLastError()
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*/
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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, GetLastError(), result);
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_NativeLibraryFunctions_getSystemInfo(JNIEnv *env, jclass target, jobject info, jobject result) {
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jclass infoClass = env->GetObjectClass(info);
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OSVERSIONINFOEX versionInfo;
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versionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
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if (GetVersionEx((OSVERSIONINFO*)&versionInfo) == 0) {
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mark_failed_with_errno(env, "could not get version info", result);
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return;
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}
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SYSTEM_INFO systemInfo;
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GetNativeSystemInfo(&systemInfo);
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jstring arch = NULL;
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if (systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64) {
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arch = env->NewStringUTF("amd64");
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} else if (systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL) {
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arch = env->NewStringUTF("x86");
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} else if (systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64) {
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arch = env->NewStringUTF("ia64");
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} else {
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arch = env->NewStringUTF("unknown");
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}
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jmethodID method = env->GetMethodID(infoClass, "windows", "(IIIZLjava/lang/String;)V");
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env->CallVoidMethod(info, method, versionInfo.dwMajorVersion, versionInfo.dwMinorVersion,
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versionInfo.dwBuildNumber, versionInfo.wProductType == VER_NT_WORKSTATION,
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arch);
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}
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/*
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* Process functions
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*/
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JNIEXPORT jint JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixProcessFunctions_getPid(JNIEnv *env, jclass target) {
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return GetCurrentProcessId();
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}
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/*
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* File system functions
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*/
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixFileSystemFunctions_listFileSystems(JNIEnv *env, jclass target, jobject info, jobject result) {
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wchar_t* volumeName = (wchar_t*)malloc(sizeof(wchar_t) * (MAX_PATH+1));
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jclass info_class = env->GetObjectClass(info);
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jmethodID method = env->GetMethodID(info_class, "add", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Z)V");
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HANDLE handle = FindFirstVolumeW(volumeName, MAX_PATH+1);
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if (handle == INVALID_HANDLE_VALUE) {
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free(volumeName);
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mark_failed_with_errno(env, "could not find first volume", result);
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return;
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}
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wchar_t* deviceName = (wchar_t*)malloc(sizeof(wchar_t) * (MAX_PATH+1));
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wchar_t* pathNames = (wchar_t*)malloc(sizeof(wchar_t) * (MAX_PATH+1));
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wchar_t* fsName = (wchar_t*)malloc(sizeof(wchar_t) * (MAX_PATH+1));
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while(true) {
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// Chop off the trailing '\'
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size_t len = wcslen(volumeName);
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if (len < 5) {
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mark_failed_with_message(env, "volume name is too short", result);
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break;
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}
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volumeName[len-1] = L'\0';
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if (QueryDosDeviceW(&volumeName[4], deviceName, MAX_PATH+1) == 0) {
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mark_failed_with_errno(env, "could not query dos device", result);
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break;
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}
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volumeName[len-1] = L'\\';
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DWORD used;
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if (GetVolumePathNamesForVolumeNameW(volumeName, pathNames, MAX_PATH+1, &used) == 0) {
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// TODO - try again if the buffer is too small
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mark_failed_with_errno(env, "could not query volume paths", result);
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break;
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}
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wchar_t* cur = pathNames;
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if (cur[0] != L'\0') {
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// TODO - use GetDriveTypeW() to determine if removable, remote, etc
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if(GetVolumeInformationW(cur, NULL, 0, NULL, NULL, NULL, fsName, MAX_PATH+1) == 0) {
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if (GetLastError() != ERROR_NOT_READY) {
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mark_failed_with_errno(env, "could not query volume information", result);
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break;
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}
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wcscpy(fsName, L"unknown");
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}
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for (;cur[0] != L'\0'; cur += wcslen(cur) + 1) {
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env->CallVoidMethod(info, method, env->NewString((jchar*)deviceName, wcslen(deviceName)),
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env->NewString((jchar*)fsName, wcslen(fsName)), env->NewString((jchar*)cur, wcslen(cur)), JNI_FALSE);
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}
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}
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if (FindNextVolumeW(handle, volumeName, MAX_PATH) == 0) {
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if (GetLastError() != ERROR_NO_MORE_FILES) {
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mark_failed_with_errno(env, "could find next volume", result);
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}
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break;
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}
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}
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free(volumeName);
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free(deviceName);
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free(pathNames);
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free(fsName);
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FindVolumeClose(handle);
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}
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/*
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* Console functions
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*/
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HANDLE getHandle(JNIEnv *env, int output, jobject result) {
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HANDLE handle = output == 0 ? GetStdHandle(STD_OUTPUT_HANDLE) : GetStdHandle(STD_ERROR_HANDLE);
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if (handle == INVALID_HANDLE_VALUE) {
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mark_failed_with_errno(env, "could not get console handle", result);
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return NULL;
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}
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return handle;
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}
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JNIEXPORT jboolean JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_isConsole(JNIEnv *env, jclass target, jint output, jobject result) {
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CONSOLE_SCREEN_BUFFER_INFO console_info;
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HANDLE handle = getHandle(env, output, result);
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if (handle == NULL) {
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return JNI_FALSE;
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}
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if (!GetConsoleScreenBufferInfo(handle, &console_info)) {
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if (GetLastError() == ERROR_INVALID_HANDLE) {
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return JNI_FALSE;
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}
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mark_failed_with_errno(env, "could not get console buffer", result);
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return JNI_FALSE;
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}
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return JNI_TRUE;
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_getConsoleSize(JNIEnv *env, jclass target, jint output, jobject dimension, jobject result) {
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CONSOLE_SCREEN_BUFFER_INFO console_info;
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HANDLE handle = getHandle(env, output, result);
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if (handle == NULL) {
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mark_failed_with_message(env, "not a console", result);
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return;
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}
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if (!GetConsoleScreenBufferInfo(handle, &console_info)) {
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mark_failed_with_errno(env, "could not get console buffer", result);
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return;
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}
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jclass dimensionClass = env->GetObjectClass(dimension);
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jfieldID widthField = env->GetFieldID(dimensionClass, "cols", "I");
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env->SetIntField(dimension, widthField, console_info.srWindow.Right - console_info.srWindow.Left + 1);
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jfieldID heightField = env->GetFieldID(dimensionClass, "rows", "I");
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env->SetIntField(dimension, heightField, console_info.srWindow.Bottom - console_info.srWindow.Top + 1);
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}
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HANDLE current_console = NULL;
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WORD original_attributes = 0;
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WORD current_attributes = 0;
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_initConsole(JNIEnv *env, jclass target, jint output, jobject result) {
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CONSOLE_SCREEN_BUFFER_INFO console_info;
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HANDLE handle = getHandle(env, output, result);
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if (handle == NULL) {
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mark_failed_with_message(env, "not a terminal", result);
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return;
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}
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if (!GetConsoleScreenBufferInfo(handle, &console_info)) {
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if (GetLastError() == ERROR_INVALID_HANDLE) {
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mark_failed_with_message(env, "not a console", result);
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} else {
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mark_failed_with_errno(env, "could not get console buffer", result);
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}
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return;
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}
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current_console = handle;
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original_attributes = console_info.wAttributes;
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current_attributes = original_attributes;
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_normal(env, target, result);
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_bold(JNIEnv *env, jclass target, jobject result) {
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current_attributes |= FOREGROUND_INTENSITY;
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if (!SetConsoleTextAttribute(current_console, current_attributes)) {
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mark_failed_with_errno(env, "could not set text attributes", result);
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_normal(JNIEnv *env, jclass target, jobject result) {
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current_attributes &= ~FOREGROUND_INTENSITY;
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SetConsoleTextAttribute(current_console, current_attributes);
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if (!SetConsoleTextAttribute(current_console, current_attributes)) {
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mark_failed_with_errno(env, "could not set text attributes", result);
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_reset(JNIEnv *env, jclass target, jobject result) {
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current_attributes = original_attributes;
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if (!SetConsoleTextAttribute(current_console, current_attributes)) {
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mark_failed_with_errno(env, "could not set text attributes", result);
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_foreground(JNIEnv *env, jclass target, jint color, jobject result) {
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current_attributes &= ~ (FOREGROUND_BLUE|FOREGROUND_RED|FOREGROUND_GREEN);
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switch (color) {
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case 0:
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break;
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case 1:
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current_attributes |= FOREGROUND_RED;
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break;
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case 2:
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current_attributes |= FOREGROUND_GREEN;
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break;
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case 3:
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current_attributes |= FOREGROUND_RED|FOREGROUND_GREEN;
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break;
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case 4:
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current_attributes |= FOREGROUND_BLUE;
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break;
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case 5:
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current_attributes |= FOREGROUND_RED|FOREGROUND_BLUE;
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break;
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case 6:
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current_attributes |= FOREGROUND_GREEN|FOREGROUND_BLUE;
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break;
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default:
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current_attributes |= FOREGROUND_RED|FOREGROUND_GREEN|FOREGROUND_BLUE;
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break;
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}
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SetConsoleTextAttribute(current_console, current_attributes);
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if (!SetConsoleTextAttribute(current_console, current_attributes)) {
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mark_failed_with_errno(env, "could not set text attributes", result);
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_left(JNIEnv *env, jclass target, jint count, jobject result) {
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CONSOLE_SCREEN_BUFFER_INFO console_info;
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if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
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mark_failed_with_errno(env, "could not get console buffer", result);
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return;
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}
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console_info.dwCursorPosition.X -= count;
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if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
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mark_failed_with_errno(env, "could not set cursor position", result);
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_right(JNIEnv *env, jclass target, jint count, jobject result) {
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CONSOLE_SCREEN_BUFFER_INFO console_info;
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if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
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mark_failed_with_errno(env, "could not get console buffer", result);
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return;
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}
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console_info.dwCursorPosition.X += count;
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if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
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mark_failed_with_errno(env, "could not set cursor position", result);
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_up(JNIEnv *env, jclass target, jint count, jobject result) {
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CONSOLE_SCREEN_BUFFER_INFO console_info;
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if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
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mark_failed_with_errno(env, "could not get console buffer", result);
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return;
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}
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console_info.dwCursorPosition.Y -= count;
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if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
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mark_failed_with_errno(env, "could not set cursor position", result);
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}
|
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}
|
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|
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_down(JNIEnv *env, jclass target, jint count, jobject result) {
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CONSOLE_SCREEN_BUFFER_INFO console_info;
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if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
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mark_failed_with_errno(env, "could not get console buffer", result);
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return;
|
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}
|
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console_info.dwCursorPosition.Y += count;
|
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if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
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mark_failed_with_errno(env, "could not set cursor position", result);
|
||||
}
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
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Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_startLine(JNIEnv *env, jclass target, jobject result) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO console_info;
|
||||
if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
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mark_failed_with_errno(env, "could not get console buffer", result);
|
||||
return;
|
||||
}
|
||||
console_info.dwCursorPosition.X = 0;
|
||||
if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
|
||||
mark_failed_with_errno(env, "could not set cursor position", result);
|
||||
}
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_clearToEndOfLine(JNIEnv *env, jclass target, jobject result) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO console_info;
|
||||
if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
|
||||
mark_failed_with_errno(env, "could not get console buffer", result);
|
||||
return;
|
||||
}
|
||||
DWORD count;
|
||||
if (!FillConsoleOutputCharacterW(current_console, L' ', console_info.dwSize.X - console_info.dwCursorPosition.X, console_info.dwCursorPosition, &count)) {
|
||||
mark_failed_with_errno(env, "could not clear console", result);
|
||||
}
|
||||
}
|
||||
|
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#endif
|
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/*
|
||||
* Copyright 2012 Adam Murdoch
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
#ifdef WIN32
|
||||
|
||||
#include "native.h"
|
||||
#include "generic.h"
|
||||
#include <windows.h>
|
||||
#include <wchar.h>
|
||||
|
||||
/*
|
||||
* Marks the given result as failed, using the current value of GetLastError()
|
||||
*/
|
||||
void mark_failed_with_errno(JNIEnv *env, const char* message, jobject result) {
|
||||
mark_failed_with_code(env, message, GetLastError(), result);
|
||||
}
|
||||
|
||||
jstring wchar_to_java(JNIEnv* env, const wchar_t* chars, size_t len, jobject result) {
|
||||
if (sizeof(wchar_t) != 2) {
|
||||
mark_failed_with_message(env, "unexpected size of wchar_t", result);
|
||||
return NULL;
|
||||
}
|
||||
return env->NewString((jchar*)chars, len);
|
||||
}
|
||||
|
||||
wchar_t* java_to_wchar(JNIEnv *env, jstring string, jobject result) {
|
||||
jsize len = env->GetStringLength(string);
|
||||
wchar_t* str = (wchar_t*)malloc(sizeof(wchar_t) * (len+1));
|
||||
env->GetStringRegion(string, 0, len, (jchar*)str);
|
||||
str[len] = L'\0';
|
||||
return str;
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_NativeLibraryFunctions_getSystemInfo(JNIEnv *env, jclass target, jobject info, jobject result) {
|
||||
jclass infoClass = env->GetObjectClass(info);
|
||||
|
||||
OSVERSIONINFOEX versionInfo;
|
||||
versionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
|
||||
if (GetVersionEx((OSVERSIONINFO*)&versionInfo) == 0) {
|
||||
mark_failed_with_errno(env, "could not get version info", result);
|
||||
return;
|
||||
}
|
||||
|
||||
SYSTEM_INFO systemInfo;
|
||||
GetNativeSystemInfo(&systemInfo);
|
||||
jstring arch = NULL;
|
||||
if (systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64) {
|
||||
arch = env->NewStringUTF("amd64");
|
||||
} else if (systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_INTEL) {
|
||||
arch = env->NewStringUTF("x86");
|
||||
} else if (systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64) {
|
||||
arch = env->NewStringUTF("ia64");
|
||||
} else {
|
||||
arch = env->NewStringUTF("unknown");
|
||||
}
|
||||
|
||||
jmethodID method = env->GetMethodID(infoClass, "windows", "(IIIZLjava/lang/String;)V");
|
||||
env->CallVoidMethod(info, method, versionInfo.dwMajorVersion, versionInfo.dwMinorVersion,
|
||||
versionInfo.dwBuildNumber, versionInfo.wProductType == VER_NT_WORKSTATION,
|
||||
arch);
|
||||
}
|
||||
|
||||
/*
|
||||
* Process functions
|
||||
*/
|
||||
|
||||
JNIEXPORT jint JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_PosixProcessFunctions_getPid(JNIEnv *env, jclass target) {
|
||||
return GetCurrentProcessId();
|
||||
}
|
||||
|
||||
JNIEXPORT jstring JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_PosixProcessFunctions_getWorkingDirectory(JNIEnv *env, jclass target, jobject result) {
|
||||
DWORD size = GetCurrentDirectoryW(0, NULL);
|
||||
if (size == 0) {
|
||||
mark_failed_with_errno(env, "could not determine length of working directory path", result);
|
||||
return NULL;
|
||||
}
|
||||
size = size+1; // Needs to include null character
|
||||
wchar_t* path = (wchar_t*)malloc(sizeof(wchar_t) * size);
|
||||
DWORD copied = GetCurrentDirectoryW(size, path);
|
||||
if (copied == 0) {
|
||||
free(path);
|
||||
mark_failed_with_errno(env, "could get working directory path", result);
|
||||
return NULL;
|
||||
}
|
||||
jstring dirName = wchar_to_java(env, path, copied, result);
|
||||
free(path);
|
||||
return dirName;
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_PosixProcessFunctions_setWorkingDirectory(JNIEnv *env, jclass target, jstring dir, jobject result) {
|
||||
wchar_t* dirPath = java_to_wchar(env, dir, result);
|
||||
if (dirPath == NULL) {
|
||||
return;
|
||||
}
|
||||
if (!SetCurrentDirectoryW(dirPath)) {
|
||||
mark_failed_with_errno(env, "could not set current directory", result);
|
||||
free(dirPath);
|
||||
return;
|
||||
}
|
||||
|
||||
free(dirPath);
|
||||
}
|
||||
|
||||
/*
|
||||
* File system functions
|
||||
*/
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_PosixFileSystemFunctions_listFileSystems(JNIEnv *env, jclass target, jobject info, jobject result) {
|
||||
wchar_t* volumeName = (wchar_t*)malloc(sizeof(wchar_t) * (MAX_PATH+1));
|
||||
|
||||
jclass info_class = env->GetObjectClass(info);
|
||||
jmethodID method = env->GetMethodID(info_class, "add", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Z)V");
|
||||
|
||||
HANDLE handle = FindFirstVolumeW(volumeName, MAX_PATH+1);
|
||||
if (handle == INVALID_HANDLE_VALUE) {
|
||||
free(volumeName);
|
||||
mark_failed_with_errno(env, "could not find first volume", result);
|
||||
return;
|
||||
}
|
||||
|
||||
wchar_t* deviceName = (wchar_t*)malloc(sizeof(wchar_t) * (MAX_PATH+1));
|
||||
wchar_t* pathNames = (wchar_t*)malloc(sizeof(wchar_t) * (MAX_PATH+1));
|
||||
wchar_t* fsName = (wchar_t*)malloc(sizeof(wchar_t) * (MAX_PATH+1));
|
||||
|
||||
while(true) {
|
||||
// Chop off the trailing '\'
|
||||
size_t len = wcslen(volumeName);
|
||||
if (len < 5) {
|
||||
mark_failed_with_message(env, "volume name is too short", result);
|
||||
break;
|
||||
}
|
||||
volumeName[len-1] = L'\0';
|
||||
|
||||
if (QueryDosDeviceW(&volumeName[4], deviceName, MAX_PATH+1) == 0) {
|
||||
mark_failed_with_errno(env, "could not query dos device", result);
|
||||
break;
|
||||
}
|
||||
volumeName[len-1] = L'\\';
|
||||
|
||||
DWORD used;
|
||||
if (GetVolumePathNamesForVolumeNameW(volumeName, pathNames, MAX_PATH+1, &used) == 0) {
|
||||
// TODO - try again if the buffer is too small
|
||||
mark_failed_with_errno(env, "could not query volume paths", result);
|
||||
break;
|
||||
}
|
||||
|
||||
wchar_t* cur = pathNames;
|
||||
if (cur[0] != L'\0') {
|
||||
// TODO - use GetDriveTypeW() to determine if removable, remote, etc
|
||||
if(GetVolumeInformationW(cur, NULL, 0, NULL, NULL, NULL, fsName, MAX_PATH+1) == 0) {
|
||||
if (GetLastError() != ERROR_NOT_READY) {
|
||||
mark_failed_with_errno(env, "could not query volume information", result);
|
||||
break;
|
||||
}
|
||||
wcscpy(fsName, L"unknown");
|
||||
}
|
||||
for (;cur[0] != L'\0'; cur += wcslen(cur) + 1) {
|
||||
env->CallVoidMethod(info, method,
|
||||
wchar_to_java(env, cur, wcslen(cur), result),
|
||||
wchar_to_java(env, fsName, wcslen(fsName), result),
|
||||
wchar_to_java(env, deviceName, wcslen(deviceName), result),
|
||||
JNI_FALSE);
|
||||
}
|
||||
}
|
||||
|
||||
if (FindNextVolumeW(handle, volumeName, MAX_PATH) == 0) {
|
||||
if (GetLastError() != ERROR_NO_MORE_FILES) {
|
||||
mark_failed_with_errno(env, "could find next volume", result);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
free(volumeName);
|
||||
free(deviceName);
|
||||
free(pathNames);
|
||||
free(fsName);
|
||||
FindVolumeClose(handle);
|
||||
}
|
||||
|
||||
/*
|
||||
* Console functions
|
||||
*/
|
||||
|
||||
HANDLE getHandle(JNIEnv *env, int output, jobject result) {
|
||||
HANDLE handle = output == 0 ? GetStdHandle(STD_OUTPUT_HANDLE) : GetStdHandle(STD_ERROR_HANDLE);
|
||||
if (handle == INVALID_HANDLE_VALUE) {
|
||||
mark_failed_with_errno(env, "could not get console handle", result);
|
||||
return NULL;
|
||||
}
|
||||
return handle;
|
||||
}
|
||||
|
||||
JNIEXPORT jboolean JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_isConsole(JNIEnv *env, jclass target, jint output, jobject result) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO console_info;
|
||||
HANDLE handle = getHandle(env, output, result);
|
||||
if (handle == NULL) {
|
||||
return JNI_FALSE;
|
||||
}
|
||||
if (!GetConsoleScreenBufferInfo(handle, &console_info)) {
|
||||
if (GetLastError() == ERROR_INVALID_HANDLE) {
|
||||
return JNI_FALSE;
|
||||
}
|
||||
mark_failed_with_errno(env, "could not get console buffer", result);
|
||||
return JNI_FALSE;
|
||||
}
|
||||
return JNI_TRUE;
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_getConsoleSize(JNIEnv *env, jclass target, jint output, jobject dimension, jobject result) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO console_info;
|
||||
HANDLE handle = getHandle(env, output, result);
|
||||
if (handle == NULL) {
|
||||
mark_failed_with_message(env, "not a console", result);
|
||||
return;
|
||||
}
|
||||
if (!GetConsoleScreenBufferInfo(handle, &console_info)) {
|
||||
mark_failed_with_errno(env, "could not get console buffer", result);
|
||||
return;
|
||||
}
|
||||
|
||||
jclass dimensionClass = env->GetObjectClass(dimension);
|
||||
jfieldID widthField = env->GetFieldID(dimensionClass, "cols", "I");
|
||||
env->SetIntField(dimension, widthField, console_info.srWindow.Right - console_info.srWindow.Left + 1);
|
||||
jfieldID heightField = env->GetFieldID(dimensionClass, "rows", "I");
|
||||
env->SetIntField(dimension, heightField, console_info.srWindow.Bottom - console_info.srWindow.Top + 1);
|
||||
}
|
||||
|
||||
HANDLE current_console = NULL;
|
||||
WORD original_attributes = 0;
|
||||
WORD current_attributes = 0;
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_initConsole(JNIEnv *env, jclass target, jint output, jobject result) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO console_info;
|
||||
HANDLE handle = getHandle(env, output, result);
|
||||
if (handle == NULL) {
|
||||
mark_failed_with_message(env, "not a terminal", result);
|
||||
return;
|
||||
}
|
||||
if (!GetConsoleScreenBufferInfo(handle, &console_info)) {
|
||||
if (GetLastError() == ERROR_INVALID_HANDLE) {
|
||||
mark_failed_with_message(env, "not a console", result);
|
||||
} else {
|
||||
mark_failed_with_errno(env, "could not get console buffer", result);
|
||||
}
|
||||
return;
|
||||
}
|
||||
current_console = handle;
|
||||
original_attributes = console_info.wAttributes;
|
||||
current_attributes = original_attributes;
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_normal(env, target, result);
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_bold(JNIEnv *env, jclass target, jobject result) {
|
||||
current_attributes |= FOREGROUND_INTENSITY;
|
||||
if (!SetConsoleTextAttribute(current_console, current_attributes)) {
|
||||
mark_failed_with_errno(env, "could not set text attributes", result);
|
||||
}
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_normal(JNIEnv *env, jclass target, jobject result) {
|
||||
current_attributes &= ~FOREGROUND_INTENSITY;
|
||||
SetConsoleTextAttribute(current_console, current_attributes);
|
||||
if (!SetConsoleTextAttribute(current_console, current_attributes)) {
|
||||
mark_failed_with_errno(env, "could not set text attributes", result);
|
||||
}
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_reset(JNIEnv *env, jclass target, jobject result) {
|
||||
current_attributes = original_attributes;
|
||||
if (!SetConsoleTextAttribute(current_console, current_attributes)) {
|
||||
mark_failed_with_errno(env, "could not set text attributes", result);
|
||||
}
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_foreground(JNIEnv *env, jclass target, jint color, jobject result) {
|
||||
current_attributes &= ~ (FOREGROUND_BLUE|FOREGROUND_RED|FOREGROUND_GREEN);
|
||||
switch (color) {
|
||||
case 0:
|
||||
break;
|
||||
case 1:
|
||||
current_attributes |= FOREGROUND_RED;
|
||||
break;
|
||||
case 2:
|
||||
current_attributes |= FOREGROUND_GREEN;
|
||||
break;
|
||||
case 3:
|
||||
current_attributes |= FOREGROUND_RED|FOREGROUND_GREEN;
|
||||
break;
|
||||
case 4:
|
||||
current_attributes |= FOREGROUND_BLUE;
|
||||
break;
|
||||
case 5:
|
||||
current_attributes |= FOREGROUND_RED|FOREGROUND_BLUE;
|
||||
break;
|
||||
case 6:
|
||||
current_attributes |= FOREGROUND_GREEN|FOREGROUND_BLUE;
|
||||
break;
|
||||
default:
|
||||
current_attributes |= FOREGROUND_RED|FOREGROUND_GREEN|FOREGROUND_BLUE;
|
||||
break;
|
||||
}
|
||||
|
||||
SetConsoleTextAttribute(current_console, current_attributes);
|
||||
if (!SetConsoleTextAttribute(current_console, current_attributes)) {
|
||||
mark_failed_with_errno(env, "could not set text attributes", result);
|
||||
}
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_left(JNIEnv *env, jclass target, jint count, jobject result) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO console_info;
|
||||
if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
|
||||
mark_failed_with_errno(env, "could not get console buffer", result);
|
||||
return;
|
||||
}
|
||||
console_info.dwCursorPosition.X -= count;
|
||||
if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
|
||||
mark_failed_with_errno(env, "could not set cursor position", result);
|
||||
}
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_right(JNIEnv *env, jclass target, jint count, jobject result) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO console_info;
|
||||
if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
|
||||
mark_failed_with_errno(env, "could not get console buffer", result);
|
||||
return;
|
||||
}
|
||||
console_info.dwCursorPosition.X += count;
|
||||
if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
|
||||
mark_failed_with_errno(env, "could not set cursor position", result);
|
||||
}
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_up(JNIEnv *env, jclass target, jint count, jobject result) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO console_info;
|
||||
if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
|
||||
mark_failed_with_errno(env, "could not get console buffer", result);
|
||||
return;
|
||||
}
|
||||
console_info.dwCursorPosition.Y -= count;
|
||||
if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
|
||||
mark_failed_with_errno(env, "could not set cursor position", result);
|
||||
}
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_down(JNIEnv *env, jclass target, jint count, jobject result) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO console_info;
|
||||
if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
|
||||
mark_failed_with_errno(env, "could not get console buffer", result);
|
||||
return;
|
||||
}
|
||||
console_info.dwCursorPosition.Y += count;
|
||||
if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
|
||||
mark_failed_with_errno(env, "could not set cursor position", result);
|
||||
}
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_startLine(JNIEnv *env, jclass target, jobject result) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO console_info;
|
||||
if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
|
||||
mark_failed_with_errno(env, "could not get console buffer", result);
|
||||
return;
|
||||
}
|
||||
console_info.dwCursorPosition.X = 0;
|
||||
if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
|
||||
mark_failed_with_errno(env, "could not set cursor position", result);
|
||||
}
|
||||
}
|
||||
|
||||
JNIEXPORT void JNICALL
|
||||
Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_clearToEndOfLine(JNIEnv *env, jclass target, jobject result) {
|
||||
CONSOLE_SCREEN_BUFFER_INFO console_info;
|
||||
if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
|
||||
mark_failed_with_errno(env, "could not get console buffer", result);
|
||||
return;
|
||||
}
|
||||
DWORD count;
|
||||
if (!FillConsoleOutputCharacterW(current_console, L' ', console_info.dwSize.X - console_info.dwCursorPosition.X, console_info.dwCursorPosition, &count)) {
|
||||
mark_failed_with_errno(env, "could not clear console", result);
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user