FdoLiteralValue* ExpressionFunctionLookup::Evaluate(FdoLiteralValueCollection *literalValues)
{
// make sure we have 2 or more arguments, and that there are 2 plus a multiple of 2
if (literalValues->GetCount() < 2 || (literalValues->GetCount()-2) % 2 != 0)
{
MgResources* resources = MgResources::GetInstance();
assert(NULL != resources);
STRING message = MgUtil::GetResourceMessage(MgResources::Stylization, L"MgIncorrectNumberOfArguments");
MgStringCollection arguments;
arguments.Add(L"LOOKUP"); // NOXLATE
message = resources->FormatMessage(message, &arguments);
throw FdoExpressionException::Create(message.c_str());
}
// the first parameter is the key we seek
FdoPtr<FdoLiteralValue> key = literalValues->GetItem(0);
// look for our key in remaining pairs, return matching value if found
for (int i=2; i<literalValues->GetCount(); i += 2)
{
FdoPtr<FdoLiteralValue> thisKey = literalValues->GetItem(i);
if (ExpressionHelper::Compare(key, thisKey) == 0)
return literalValues->GetItem(i+1);
}
// we didn't find a match - return the default
return literalValues->GetItem(1);
}
XmlInputStream* MgXmlSchemaResolver::resolveSchema(
XmlTransaction *txn, XmlManager &mgr,
const std::string &schemaLocation, const std::string &nameSpace) const
{
// Verify the existance of the schema file if XML validation is enabled.
XmlInputStream* xmlInputStream = NULL;
if (m_validationEnabled)
{
if (schemaLocation.empty())
{
// TODO: Add MgResources::GetMessage.
STRING message = MgUtil::GetResourceMessage(
MgResources::ResourceService, L"MgSchemaFileNotSpecified");
throw XmlException(XmlException::INDEXER_PARSER_ERROR,
MgUtil::WideCharToMultiByte(message), __FILE__, __LINE__);
}
else
{
STRING schemaPathname = m_schemaFilePath;
schemaPathname += MgUtil::MultiByteToWideChar(schemaLocation);
if (MgFileUtil::PathnameExists(schemaPathname))
{
xmlInputStream = mgr.createLocalFileInputStream(
MgUtil::WideCharToMultiByte(schemaPathname));
}
else
{
MgResources* resources = MgResources::GetInstance();
assert(NULL != resources);
// TODO: Add MgResources::GetMessage.
STRING message = MgUtil::GetResourceMessage(
MgResources::ResourceService, L"MgSchemaFileNotFound");
MgStringCollection arguments;
arguments.Add(schemaPathname);
message = resources->FormatMessage(message, &arguments);
throw XmlException(XmlException::INDEXER_PARSER_ERROR,
MgUtil::WideCharToMultiByte(message), __FILE__, __LINE__);
}
}
}
return xmlInputStream;
}
FdoLiteralValue* ExpressionFunctionLayerId::Evaluate(FdoLiteralValueCollection* literalValues)
{
// make sure we have zero arguments
if (literalValues->GetCount() != 0)
{
MgResources* resources = MgResources::GetInstance();
assert(NULL != resources);
STRING message = MgUtil::GetResourceMessage(MgResources::Stylization, L"MgIncorrectNumberOfArguments");
MgStringCollection arguments;
arguments.Add(L"LAYERID"); // NOXLATE
message = resources->FormatMessage(message, &arguments);
throw FdoExpressionException::Create(message.c_str());
}
return FDO_SAFE_ADDREF(m_layerIdValue);
}
FdoLiteralValue* ExpressionFunctionHtmlColor::Evaluate(FdoLiteralValueCollection* literalValues)
{
// make sure we have three arguments
if (literalValues->GetCount() != 3)
{
MgResources* resources = MgResources::GetInstance();
assert(NULL != resources);
STRING message = MgUtil::GetResourceMessage(MgResources::Stylization, L"MgIncorrectNumberOfArguments");
MgStringCollection arguments;
arguments.Add(L"HTMLCOLOR"); // NOXLATE
message = resources->FormatMessage(message, &arguments);
throw FdoExpressionException::Create(message.c_str());
}
FdoPtr<FdoLiteralValue> arg1 = literalValues->GetItem(0);
FdoPtr<FdoLiteralValue> arg2 = literalValues->GetItem(1);
FdoPtr<FdoLiteralValue> arg3 = literalValues->GetItem(2);
FdoInt32 red = ExpressionHelper::GetAsInt32(arg1);
FdoInt32 green = ExpressionHelper::GetAsInt32(arg2);
FdoInt32 blue = ExpressionHelper::GetAsInt32(arg3);
// clean up
red &= 0xFF;
green &= 0xFF;
blue &= 0xFF;
wchar_t tmp[32] = { 0 };
std::wstring str;
swprintf(tmp, 32, L"%0.2x", red);
str.append(&tmp[0]);
swprintf(tmp, 32, L"%0.2x", green);
str.append(&tmp[0]);
swprintf(tmp, 32, L"%0.2x", blue);
str.append(&tmp[0]);
m_htmlColorValue->SetString(str.c_str());
return FDO_SAFE_ADDREF(m_htmlColorValue);
}
FdoLiteralValue* ExpressionFunctionArgb::Evaluate(FdoLiteralValueCollection* literalValues)
{
// make sure we have four arguments
if (literalValues->GetCount() != 4)
{
MgResources* resources = MgResources::GetInstance();
assert(NULL != resources);
STRING message = MgUtil::GetResourceMessage(MgResources::Stylization, L"MgIncorrectNumberOfArguments");
MgStringCollection arguments;
arguments.Add(L"ARGB"); // NOXLATE
message = resources->FormatMessage(message, &arguments);
throw FdoExpressionException::Create(message.c_str());
}
FdoPtr<FdoLiteralValue> arg1 = literalValues->GetItem(0);
FdoPtr<FdoLiteralValue> arg2 = literalValues->GetItem(1);
FdoPtr<FdoLiteralValue> arg3 = literalValues->GetItem(2);
FdoPtr<FdoLiteralValue> arg4 = literalValues->GetItem(3);
FdoInt32 alpha = ExpressionHelper::GetAsInt32(arg1);
FdoInt32 red = ExpressionHelper::GetAsInt32(arg2);
FdoInt32 green = ExpressionHelper::GetAsInt32(arg3);
FdoInt32 blue = ExpressionHelper::GetAsInt32(arg4);
// clean up
red &= 0xFF;
green &= 0xFF;
blue &= 0xFF;
alpha &= 0xFF;
FdoInt32 color = (alpha << 24) | (red << 16) | (green << 8) | blue;
m_argbValue->SetInt32(color);
return FDO_SAFE_ADDREF(m_argbValue);
}