michael@0: /* ***** BEGIN LICENSE BLOCK *****
michael@0:  * 
michael@0:  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  * 1. Redistributions of source code must retain the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer.
michael@0:  * 2. Redistributions in binary form must reproduce the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer in the
michael@0:  *    documentation and/or other materials provided with the distribution.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
michael@0:  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
michael@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
michael@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
michael@0:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
michael@0:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
michael@0:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
michael@0:  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
michael@0:  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0:  * 
michael@0:  * Contributor(s):
michael@0:  *   Josh Aas <josh@mozilla.com>
michael@0:  * 
michael@0:  * ***** END LICENSE BLOCK ***** */
michael@0: 
michael@0: #include "nptest_utils.h"
michael@0: 
michael@0: #include <stdlib.h>
michael@0: #include <string.h>
michael@0: #include <assert.h>
michael@0: #include "mozilla/NullPtr.h"
michael@0: 
michael@0: NPUTF8*
michael@0: createCStringFromNPVariant(const NPVariant* variant)
michael@0: {
michael@0:   size_t length = NPVARIANT_TO_STRING(*variant).UTF8Length;
michael@0:   NPUTF8* result = (NPUTF8*)malloc(length + 1);
michael@0:   memcpy(result, NPVARIANT_TO_STRING(*variant).UTF8Characters, length);
michael@0:   result[length] = '\0';
michael@0:   return result;
michael@0: }
michael@0: 
michael@0: NPIdentifier
michael@0: variantToIdentifier(NPVariant variant)
michael@0: {
michael@0:   if (NPVARIANT_IS_STRING(variant))
michael@0:     return stringVariantToIdentifier(variant);
michael@0:   else if (NPVARIANT_IS_INT32(variant))
michael@0:     return int32VariantToIdentifier(variant);
michael@0:   else if (NPVARIANT_IS_DOUBLE(variant))
michael@0:     return doubleVariantToIdentifier(variant);
michael@0:   return 0;
michael@0: }
michael@0: 
michael@0: NPIdentifier
michael@0: stringVariantToIdentifier(NPVariant variant)
michael@0: {
michael@0:   assert(NPVARIANT_IS_STRING(variant));
michael@0:   NPUTF8* utf8String = createCStringFromNPVariant(&variant);
michael@0:   NPIdentifier identifier = NPN_GetStringIdentifier(utf8String);
michael@0:   free(utf8String);
michael@0:   return identifier;
michael@0: }
michael@0: 
michael@0: NPIdentifier
michael@0: int32VariantToIdentifier(NPVariant variant)
michael@0: {
michael@0:   assert(NPVARIANT_IS_INT32(variant));
michael@0:   int32_t integer = NPVARIANT_TO_INT32(variant);
michael@0:   return NPN_GetIntIdentifier(integer);
michael@0: }
michael@0: 
michael@0: NPIdentifier
michael@0: doubleVariantToIdentifier(NPVariant variant)
michael@0: {
michael@0:   assert(NPVARIANT_IS_DOUBLE(variant));
michael@0:   double value = NPVARIANT_TO_DOUBLE(variant);
michael@0:   // sadly there is no "getdoubleidentifier"
michael@0:   int32_t integer = static_cast<int32_t>(value);
michael@0:   return NPN_GetIntIdentifier(integer);
michael@0: }
michael@0: 
michael@0: /*
michael@0:  * Parse a color in hex format, #AARRGGBB or AARRGGBB.
michael@0:  */
michael@0: uint32_t
michael@0: parseHexColor(const char* color, int len)
michael@0: {
michael@0:   uint8_t bgra[4] = { 0, 0, 0, 0xFF };
michael@0:   int i = 0;
michael@0: 
michael@0:   // Ignore unsupported formats.
michael@0:   if (len != 9 && len != 8)
michael@0:     return 0;
michael@0: 
michael@0:   // start from the right and work to the left
michael@0:   while (len >= 2) { // we have at least #AA or AA left.
michael@0:     char byte[3];
michael@0:     // parse two hex digits
michael@0:     byte[0] = color[len - 2];
michael@0:     byte[1] = color[len - 1];
michael@0:     byte[2] = '\0';
michael@0: 
michael@0:     bgra[i] = (uint8_t)(strtoul(byte, nullptr, 16) & 0xFF);
michael@0:     i++;
michael@0:     len -= 2;
michael@0:   }
michael@0:   return (bgra[3] << 24) | (bgra[2] << 16) | (bgra[1] << 8) | bgra[0];
michael@0: }