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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#include "precompiled.h"
#include "PropertyParserNumber.h"
namespace Rocket {
namespace Core {
PropertyParserNumber::PropertyParserNumber()
{
unit_suffixes.push_back(UnitSuffix(Property::PX, "px"));
unit_suffixes.push_back(UnitSuffix(Property::REM, "rem"));
unit_suffixes.push_back(UnitSuffix(Property::EM, "em"));
unit_suffixes.push_back(UnitSuffix(Property::INCH, "in"));
unit_suffixes.push_back(UnitSuffix(Property::CM, "cm"));
unit_suffixes.push_back(UnitSuffix(Property::MM, "mm"));
unit_suffixes.push_back(UnitSuffix(Property::PT, "pt"));
unit_suffixes.push_back(UnitSuffix(Property::PC, "pc"));
unit_suffixes.push_back(UnitSuffix(Property::PERCENT, "%"));
}
PropertyParserNumber::~PropertyParserNumber()
{
}
// Called to parse a RCSS number declaration.
bool PropertyParserNumber::ParseValue(Property& property, const String& value, const ParameterMap& ROCKET_UNUSED_PARAMETER(parameters)) const
{
ROCKET_UNUSED(parameters);
// Default to a simple number.
property.unit = Property::NUMBER;
String value_str = value;
// Check for a unit declaration at the end of the number.
for (size_t i = 0; i < unit_suffixes.size(); i++)
{
const UnitSuffix& unit_suffix = unit_suffixes[i];
if (value.Length() < unit_suffix.second.Length())
continue;
if (strcasecmp(value.CString() + (value.Length() - unit_suffix.second.Length()), unit_suffix.second.CString()) == 0)
{
property.unit = unit_suffix.first;
value_str = value.Substring(0, value.Length() - unit_suffix.second.Length());
break;
}
}
try {
property.value = std::stof(value_str.CString());
return true;
}
catch (const std::exception&) {
return false;
}
}
// Destroys the parser.
void PropertyParserNumber::Release()
{
delete this;
}
}
}
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