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Patch for Ken Ryall - 186436 - add getLocalMachineKeyName() native method.

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This commit is contained in:
Doug Schaefer 2007-05-16 17:02:45 +00:00
parent fddd30f6bc
commit c773868cfd
3 changed files with 52 additions and 0 deletions
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40
core/org.eclipse.cdt.core.win32/library/winreg/winreg.cpp
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@ -78,3 +78,43 @@ JNIEXPORT jstring JNICALL Java_org_eclipse_cdt_utils_WindowsRegistry_getLocalMac
return result; return result;
} }
/*
* 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.
* The return value is null on any error or when the index is invalid.
*/
extern "C"
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);
jstring result = NULL;
HKEY key;
LONG rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, (const wchar_t *)csubkey, 0, KEY_READ, &key);
if (rc != ERROR_SUCCESS)
return NULL;
wchar_t keyName[256];
DWORD nameSize = sizeof(keyName) + 2;
rc = RegEnumKeyEx(key, index,
keyName, // UNICODE string
&nameSize,
NULL, NULL,
NULL,
NULL); // size in BYTE of data.
if (rc == ERROR_SUCCESS)
{
result = env->NewString((jchar *)keyName, nameSize);
}
RegCloseKey(key);
env->ReleaseStringChars(subkey, csubkey);
return result;
}

BIN
core/org.eclipse.cdt.core.win32/os/win32/x86/winreg.dll
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12
core/org.eclipse.cdt.core/utils/org/eclipse/cdt/utils/WindowsRegistry.java
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@ -66,4 +66,16 @@ public class WindowsRegistry {
*/ */
public native String getLocalMachineValueName(String subkey, int index); public native String getLocalMachineValueName(String subkey, int index);
/**
* Given a subkey of HKEY_LOCAL_MACHINE, 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 getLocalMachineValueName()
* to retrieve value names.
* @param subkey subkey of HKEY_LOCAL_MACHINE
* @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 getLocalMachineKeyName(String subkey, int index);
} }