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Added support for HKEY_CURRENT_USER to the registry access routines.

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This commit is contained in:
Doug Schaefer 2007-05-24 04:08:08 +00:00
parent 0eb470fd43
commit 4082f4efa8
3 changed files with 94 additions and 27 deletions
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85
core/org.eclipse.cdt.core.win32/library/winreg/winreg.cpp
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@ -1,5 +1,5 @@
/******************************************************************************* /*******************************************************************************
* Copyright (c) 2005, 2006 QNX Software Systems * Copyright (c) 2005, 2007 QNX Software Systems
* All rights reserved. This program and the accompanying materials * All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0 * are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at * which accompanies this distribution, and is available at
@ -12,25 +12,22 @@
#include <jni.h> #include <jni.h>
#include <string.h> #include <string.h>
extern "C" static jstring getValue(JNIEnv * env, HKEY key, jstring subkey, jstring name) {
JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getLocalMachineValue(
JNIEnv * env, jobject obj, jstring subkey, jstring name)
{
const jchar * csubkey = env->GetStringChars(subkey, NULL); const jchar * csubkey = env->GetStringChars(subkey, NULL);
const jchar * cname = env->GetStringChars(name, NULL); const jchar * cname = env->GetStringChars(name, NULL);
jstring result = NULL; jstring result = NULL;
HKEY key; HKEY skey;
LONG rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, (const wchar_t *)csubkey, 0, KEY_READ, &key); LONG rc = RegOpenKeyEx(key, (const wchar_t *)csubkey, 0, KEY_READ, &skey);
if (rc == ERROR_SUCCESS) { if (rc == ERROR_SUCCESS) {
DWORD type; DWORD type;
wchar_t buffer[256]; wchar_t buffer[256];
DWORD len = sizeof(buffer); DWORD len = sizeof(buffer);
rc = RegQueryValueEx(key, (const wchar_t *)cname, NULL, &type, (BYTE *)&buffer, &len); rc = RegQueryValueEx(skey, (const wchar_t *)cname, NULL, &type, (BYTE *)&buffer, &len);
if (rc == ERROR_SUCCESS) { if (rc == ERROR_SUCCESS) {
result = env->NewString((jchar *)buffer, wcslen(buffer)); result = env->NewString((jchar *)buffer, wcslen(buffer));
} }
RegCloseKey(key); RegCloseKey(skey);
} }
env->ReleaseStringChars(subkey, csubkey); env->ReleaseStringChars(subkey, csubkey);
@ -39,28 +36,39 @@ JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getLocalMac
return result; return result;
} }
extern "C"
JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getLocalMachineValue(
JNIEnv * env, jobject obj, jstring subkey, jstring name)
{
return getValue(env, HKEY_LOCAL_MACHINE, subkey, name);
}
extern "C"
JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getCurrentUserValue(
JNIEnv * env, jobject obj, jstring subkey, jstring name)
{
return getValue(env, HKEY_CURRENT_USER, subkey, name);
}
/* /*
* Given a subkey (string) under HKEY_LOCAL_MACHINE, and an index (starting from 0) * Given a subkey (string) under HKEY_LOCAL_MACHINE, and an index (starting from 0)
* to the key's array of values, return the name of the indexed value. * to the key's array of values, return the name of the indexed value.
* The return value is null on any error or when the index is invalid. * The return value is null on any error or when the index is invalid.
*/ */
extern "C" static jstring getValueName(JNIEnv * env, HKEY key, jstring subkey, jint index) {
JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getLocalMachineValueName(
JNIEnv * env, jobject obj, jstring subkey, jint index)
{
const jchar * csubkey = env->GetStringChars(subkey, NULL); const jchar * csubkey = env->GetStringChars(subkey, NULL);
jstring result = NULL; jstring result = NULL;
HKEY key; HKEY skey;
LONG rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, (const wchar_t *)csubkey, 0, KEY_READ, &key); LONG rc = RegOpenKeyEx(key, (const wchar_t *)csubkey, 0, KEY_READ, &skey);
if (rc != ERROR_SUCCESS) if (rc != ERROR_SUCCESS)
return NULL; return NULL;
wchar_t valueName[256]; wchar_t valueName[256];
DWORD nameSize = sizeof(valueName) + 2; DWORD nameSize = sizeof(valueName) + 2;
rc = RegEnumValue(key, index, rc = RegEnumValue(skey, index,
valueName, // UNICODE string valueName, // UNICODE string
&nameSize, &nameSize,
NULL, NULL, NULL, NULL,
@ -72,35 +80,46 @@ JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getLocalMac
result = env->NewString((jchar *)valueName, nameSize); result = env->NewString((jchar *)valueName, nameSize);
} }
RegCloseKey(key); RegCloseKey(skey);
env->ReleaseStringChars(subkey, csubkey); env->ReleaseStringChars(subkey, csubkey);
return result; return result;
} }
extern "C"
JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getLocalMachineValueName(
JNIEnv * env, jobject obj, jstring subkey, jint index)
{
return getValueName(env, HKEY_LOCAL_MACHINE, subkey, index);
}
extern "C"
JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getCurrentUserValueName(
JNIEnv * env, jobject obj, jstring subkey, jint index)
{
return getValueName(env, HKEY_CURRENT_USER, subkey, index);
}
/* /*
* Given a subkey (string) under HKEY_LOCAL_MACHINE, and an index (starting from 0) * Given a subkey (string) under HKEY_LOCAL_MACHINE, and an index (starting from 0)
* to the key's array of keys, return the name of the indexed key. * to the key's array of keys, return the name of the indexed key.
* The return value is null on any error or when the index is invalid. * The return value is null on any error or when the index is invalid.
*/ */
extern "C" static jstring getKeyName(JNIEnv * env, HKEY key, jstring subkey, jint index) {
JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getLocalMachineKeyName(
JNIEnv * env, jobject obj, jstring subkey, jint index)
{
const jchar * csubkey = env->GetStringChars(subkey, NULL); const jchar * csubkey = env->GetStringChars(subkey, NULL);
jstring result = NULL; jstring result = NULL;
HKEY key; HKEY skey;
LONG rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, (const wchar_t *)csubkey, 0, KEY_READ, &key); LONG rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, (const wchar_t *)csubkey, 0, KEY_READ, &skey);
if (rc != ERROR_SUCCESS) if (rc != ERROR_SUCCESS)
return NULL; return NULL;
wchar_t keyName[256]; wchar_t keyName[256];
DWORD nameSize = sizeof(keyName) + 2; DWORD nameSize = sizeof(keyName) + 2;
rc = RegEnumKeyEx(key, index, rc = RegEnumKeyEx(skey, index,
keyName, // UNICODE string keyName, // UNICODE string
&nameSize, &nameSize,
NULL, NULL, NULL, NULL,
@ -112,9 +131,23 @@ JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getLocalMac
result = env->NewString((jchar *)keyName, nameSize); result = env->NewString((jchar *)keyName, nameSize);
} }
RegCloseKey(key); RegCloseKey(skey);
env->ReleaseStringChars(subkey, csubkey); env->ReleaseStringChars(subkey, csubkey);
return result; return result;
} }
extern "C"
JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getLocalMachineKeyName(
JNIEnv * env, jobject obj, jstring subkey, jint index)
{
return getKeyName(env, HKEY_LOCAL_MACHINE, subkey, index);
}
extern "C"
JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getCurrentUserKeyName(
JNIEnv * env, jobject obj, jstring subkey, jint index)
{
return getKeyName(env, HKEY_CURRENT_USER, subkey, index);
}

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core/org.eclipse.cdt.core.win32/os/win32/x86/winreg.dll
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36
core/org.eclipse.cdt.core/utils/org/eclipse/cdt/utils/WindowsRegistry.java
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@ -72,10 +72,44 @@ public class WindowsRegistry {
* The return value is null on any error or when the index is invalid. * The return value is null on any error or when the index is invalid.
* The key name can be used in the above getLocalMachineValueName() * The key name can be used in the above getLocalMachineValueName()
* to retrieve value names. * to retrieve value names.
* @param subkey subkey of HKEY_LOCAL_MACHINE * @param subkey subkey of HKEY_CURRENT_USER
* @param index index to the subkey's array of values, starting from 0. * @param index index to the subkey's array of values, starting from 0.
* @return name of registry value or null if not found * @return name of registry value or null if not found
*/ */
public native String getLocalMachineKeyName(String subkey, int index); public native String getLocalMachineKeyName(String subkey, int index);
/**
* Gets the registry value for the subkey of HKEY_CURRENT_USER with the
* given name. If problems occur, like the name is not found, null is returned.
*
* @param subkey subkey of HKEY_CURRENT_USER
* @param name name of the registry value
* @return registry value or null if not found
*/
public native String getCurrentUserValue(String subkey, String name);
/**
* Given a subkey of HKEY_CURRENT_USER, and an index (starting from 0)
* to the key's array of values, return the name of the indexed value.
* The return value is null on any error or when the index is invalid.
* The value name can be used in the above getCurrentUserValue() to retrieve
* the value data.
* @param subkey subkey of HKEY_CURRENT_USER
* @param index index to the subkey's array of values, starting from 0.
* @return name of registry value or null if not found
*/
public native String getCurrentUserValueName(String subkey, int index);
/**
* Given a subkey of HKEY_CURRENT_USER, and an index (starting from 0)
* to the key's array of sub keys, return the name of the indexed key.
* The return value is null on any error or when the index is invalid.
* The key name can be used in the above getCurrentUserValueName()
* to retrieve value names.
* @param subkey subkey of HKEY_CURRENT_USER
* @param index index to the subkey's array of values, starting from 0.
* @return name of registry value or null if not found
*/
public native String getCurrentUserKeyName(String subkey, int index);
} }