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lightning-sunbird  0.9+nobinonly
Public Member Functions | Public Attributes
RegistryEntry Struct Reference
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List of all members.

Public Member Functions

 RegistryEntry (HKEY baseKey, const char *keyName, const char *valueName, const char *setting)
PRBool isAlreadySet () const
nsresult set ()
nsresult reset ()
nsCString currentSetting (PRBool *currentUndefined=0) const
const char * valueNameArg () const
nsCString fullName () const

Public Attributes

HKEY baseKey
PRBool isNull
nsCString keyName
nsCString valueName
nsCString setting

Detailed Description

Definition at line 128 of file nsWindowsHooksUtil.cpp.


Constructor & Destructor Documentation

RegistryEntry::RegistryEntry ( HKEY  baseKey,
const char *  keyName,
const char *  valueName,
const char *  setting 
) [inline]

Definition at line 137 of file nsWindowsHooksUtil.cpp.

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Member Function Documentation

nsCString RegistryEntry::currentSetting ( PRBool currentUndefined = 0) const

Definition at line 725 of file nsWindowsHooksUtil.cpp.

                                                                          {
    nsCString result;

    if ( currentlyUndefined ) {
        *currentlyUndefined = PR_TRUE;
    }

    HKEY   key;
    LONG   rc = ::RegOpenKey( baseKey, keyName.get(), &key );
    if ( rc == ERROR_SUCCESS ) {
        if (!IsNT()) {
            char buffer[4096] = { 0 };
            DWORD len = sizeof buffer;
            rc = ::RegQueryValueExA( key, valueNameArg(), NULL, NULL,
                 (LPBYTE)buffer, &len );
            if ( rc == ERROR_SUCCESS ) {
                nsAutoString uResult;
                NS_CopyNativeToUnicode(nsDependentCString(buffer), uResult);
                CopyUTF16toUTF8(uResult, result);
                if ( currentlyUndefined ) {
                    *currentlyUndefined = PR_FALSE; // Indicate entry is present
                }
            }
        } else {
            PRUnichar buffer[4096] = { 0 };
            DWORD len = sizeof buffer;
            rc = ::RegQueryValueExW( key,
                 NS_ConvertASCIItoUTF16(valueNameArg()).get(), NULL, NULL,
                 (LPBYTE)buffer, &len );
            if ( rc == ERROR_SUCCESS ) {
                CopyUTF16toUTF8(buffer, result);
                if ( currentlyUndefined ) {
                    *currentlyUndefined = PR_FALSE; // Indicate entry is present
                }
            }
        }
        ::RegCloseKey( key );
    }

    return result;
}

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Definition at line 302 of file nsWindowsHooksUtil.cpp.

                                        {
    nsCString result;
    if ( baseKey == HKEY_CURRENT_USER ) {
        result = "HKEY_CURRENT_USER\\";
    } else if ( baseKey == HKEY_LOCAL_MACHINE ) {
        result = "HKEY_LOCAL_MACHINE\\";
    } else {
        result = "\\";
    }
    result += keyName;
    if ( !valueName.IsEmpty() ) {
        result += "[";
        result += valueName;
        result += "]";
    }
    return result;
}

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Definition at line 321 of file nsWindowsHooksUtil.cpp.

                                         {
    PRBool result = FALSE;

    nsCAutoString current( currentSetting() );

    result = ( current == setting );

    return result;
}

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Reimplemented in FileTypeRegistryEntry, DDERegistryEntry, ProtocolRegistryEntry, and SavedRegistryEntry.

Definition at line 545 of file nsWindowsHooksUtil.cpp.

                              {
    HKEY key;
    LONG rc = ::RegOpenKey( baseKey, keyName.get(), &key );
    if ( rc == ERROR_SUCCESS ) {
        rc = ::RegDeleteValue( key, valueNameArg() );
#ifdef DEBUG_law
if ( rc == ERROR_SUCCESS ) printf( "Deleting key=%s\n", (const char*)fullName().get() );
#endif
    }
    return NS_OK;
}

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Reimplemented in EditableFileTypeRegistryEntry, FileTypeRegistryEntry, DDERegistryEntry, ProtocolRegistryEntry, and SavedRegistryEntry.

Definition at line 332 of file nsWindowsHooksUtil.cpp.

                            {
#ifdef DEBUG_law
if ( isNull && setting.IsEmpty() ) printf( "Deleting %s\n", fullName().get() );
else printf( "Setting %s=%s\n", fullName().get(), setting.get() );
#endif
    nsresult result = NS_ERROR_FAILURE;

    HKEY   key;
    LONG   rc = ::RegOpenKey( baseKey, keyName.get(), &key );

    // See if key doesn't exist yet...
    if ( rc == ERROR_FILE_NOT_FOUND ) {
        rc = ::RegCreateKey( baseKey, keyName.get(), &key );
    }
    if ( rc == ERROR_SUCCESS ) {
        if ( isNull && setting.IsEmpty() ) {
            // This means we need to actually remove the value, not merely set it to an
            // empty string.
            rc = ::RegDeleteValue( key, valueNameArg() );
            if ( rc == ERROR_SUCCESS ) {
                result = NS_OK;
            }
        } else {
            NS_ConvertUTF8toUTF16 utf16Setting(setting);
            if (!IsNT()) {
                // Get current value to see if it is set properly already.
               char buffer[4096] = { 0 };
               DWORD len = sizeof buffer;
               rc = ::RegQueryValueExA( key, valueNameArg(), NULL, NULL,
                    (LPBYTE)buffer, &len );
               nsCAutoString cSetting;
               NS_CopyUnicodeToNative(utf16Setting, cSetting);
               if ( rc != ERROR_SUCCESS || !cSetting.Equals(buffer)) {
                   rc = ::RegSetValueExA( key, valueNameArg(), 0, REG_SZ,
                        (LPBYTE)cSetting.get(), cSetting.Length() );
#ifdef DEBUG_law
                   NS_WARN_IF_FALSE( rc == ERROR_SUCCESS, fullName().get() );
#endif
                   if ( rc == ERROR_SUCCESS ) {
                      result = NS_OK;
                   }
               } else {
                   // Already has desired setting.
                   result = NS_OK;
               }
           } else {
                // Get current value to see if it is set properly already.
               PRUnichar buffer[4096] = { 0 };
               DWORD len = sizeof buffer;
               NS_ConvertASCIItoUTF16 wValueName(valueNameArg());
               rc = ::RegQueryValueExW( key, wValueName.get(), NULL,
                    NULL, (LPBYTE)buffer, &len );
               if ( rc != ERROR_SUCCESS || !utf16Setting.Equals(buffer) ) {
                   rc = ::RegSetValueExW( key, wValueName.get(), 0, REG_SZ,
                        (LPBYTE) (utf16Setting.get()),
                        utf16Setting.Length() * 2);
                   if ( rc == ERROR_SUCCESS ) {
                      result = NS_OK;
                   }
               } else {
                   // Already has desired setting.
                   result = NS_OK;
               }
           }  // NT
        }
        ::RegCloseKey( key );
    } else {
#ifdef DEBUG_law
NS_WARN_IF_FALSE( rc == ERROR_SUCCESS, fullName().get() );
#endif
    }
    return result;
}

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const char* RegistryEntry::valueNameArg ( ) const [inline]

Definition at line 148 of file nsWindowsHooksUtil.cpp.

                                     {
        return valueName.IsEmpty() ? NULL : valueName.get();
    }

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Member Data Documentation

Definition at line 129 of file nsWindowsHooksUtil.cpp.

Definition at line 130 of file nsWindowsHooksUtil.cpp.

Definition at line 131 of file nsWindowsHooksUtil.cpp.

Definition at line 133 of file nsWindowsHooksUtil.cpp.

Definition at line 132 of file nsWindowsHooksUtil.cpp.


The documentation for this struct was generated from the following file: