gecko-dev/dom/plugins/test/testplugin/nptest_utils.cpp

114 lines
3.5 KiB
C++

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