Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(690)

Unified Diff: Source/core/html/StepRange.cpp

Issue 24246011: Move form-related 78 files to core/html/forms/. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 3 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « Source/core/html/StepRange.h ('k') | Source/core/html/SubmitInputType.h » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: Source/core/html/StepRange.cpp
diff --git a/Source/core/html/StepRange.cpp b/Source/core/html/StepRange.cpp
deleted file mode 100644
index cc3768b56fcd0a094ddd7272900630743739ef92..0000000000000000000000000000000000000000
--- a/Source/core/html/StepRange.cpp
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#include "config.h"
-#include "core/html/StepRange.h"
-
-#include "HTMLNames.h"
-#include "core/html/parser/HTMLParserIdioms.h"
-#include "wtf/MathExtras.h"
-#include "wtf/text/WTFString.h"
-#include <float.h>
-
-using namespace std;
-
-namespace WebCore {
-
-using namespace HTMLNames;
-
-StepRange::StepRange()
- : m_maximum(100)
- , m_minimum(0)
- , m_step(1)
- , m_stepBase(0)
- , m_hasStep(false)
-{
-}
-
-StepRange::StepRange(const StepRange& stepRange)
- : m_maximum(stepRange.m_maximum)
- , m_minimum(stepRange.m_minimum)
- , m_step(stepRange.m_step)
- , m_stepBase(stepRange.m_stepBase)
- , m_stepDescription(stepRange.m_stepDescription)
- , m_hasStep(stepRange.m_hasStep)
-{
-}
-
-StepRange::StepRange(const Decimal& stepBase, const Decimal& minimum, const Decimal& maximum, const Decimal& step, const StepDescription& stepDescription)
- : m_maximum(maximum)
- , m_minimum(minimum)
- , m_step(step.isFinite() ? step : 1)
- , m_stepBase(stepBase.isFinite() ? stepBase : 1)
- , m_stepDescription(stepDescription)
- , m_hasStep(step.isFinite())
-{
- ASSERT(m_maximum.isFinite());
- ASSERT(m_minimum.isFinite());
- ASSERT(m_step.isFinite());
- ASSERT(m_stepBase.isFinite());
-}
-
-Decimal StepRange::acceptableError() const
-{
- // FIXME: We should use DBL_MANT_DIG instead of FLT_MANT_DIG regarding to HTML5 specification.
- DEFINE_STATIC_LOCAL(const Decimal, twoPowerOfFloatMantissaBits, (Decimal::Positive, 0, UINT64_C(1) << FLT_MANT_DIG));
- return m_stepDescription.stepValueShouldBe == StepValueShouldBeReal ? m_step / twoPowerOfFloatMantissaBits : Decimal(0);
-}
-
-Decimal StepRange::alignValueForStep(const Decimal& currentValue, const Decimal& newValue) const
-{
- DEFINE_STATIC_LOCAL(const Decimal, tenPowerOf21, (Decimal::Positive, 21, 1));
- if (newValue >= tenPowerOf21)
- return newValue;
-
- return stepMismatch(currentValue) ? newValue : roundByStep(newValue, m_stepBase);
-}
-
-Decimal StepRange::clampValue(const Decimal& value) const
-{
- const Decimal inRangeValue = max(m_minimum, min(value, m_maximum));
- if (!m_hasStep)
- return inRangeValue;
- // Rounds inRangeValue to minimum + N * step.
- const Decimal roundedValue = roundByStep(inRangeValue, m_minimum);
- const Decimal clampedValue = roundedValue > m_maximum ? roundedValue - m_step : roundedValue;
- ASSERT(clampedValue >= m_minimum);
- ASSERT(clampedValue <= m_maximum);
- return clampedValue;
-}
-
-Decimal StepRange::parseStep(AnyStepHandling anyStepHandling, const StepDescription& stepDescription, const String& stepString)
-{
- if (stepString.isEmpty())
- return stepDescription.defaultValue();
-
- if (equalIgnoringCase(stepString, "any")) {
- switch (anyStepHandling) {
- case RejectAny:
- return Decimal::nan();
- case AnyIsDefaultStep:
- return stepDescription.defaultValue();
- default:
- ASSERT_NOT_REACHED();
- }
- }
-
- Decimal step = parseToDecimalForNumberType(stepString);
- if (!step.isFinite() || step <= 0)
- return stepDescription.defaultValue();
-
- switch (stepDescription.stepValueShouldBe) {
- case StepValueShouldBeReal:
- step *= stepDescription.stepScaleFactor;
- break;
- case ParsedStepValueShouldBeInteger:
- // For date, month, and week, the parsed value should be an integer for some types.
- step = max(step.round(), Decimal(1));
- step *= stepDescription.stepScaleFactor;
- break;
- case ScaledStepValueShouldBeInteger:
- // For datetime, datetime-local, time, the result should be an integer.
- step *= stepDescription.stepScaleFactor;
- step = max(step.round(), Decimal(1));
- break;
- default:
- ASSERT_NOT_REACHED();
- }
-
- ASSERT(step > 0);
- return step;
-}
-
-Decimal StepRange::roundByStep(const Decimal& value, const Decimal& base) const
-{
- return base + ((value - base) / m_step).round() * m_step;
-}
-
-bool StepRange::stepMismatch(const Decimal& valueForCheck) const
-{
- if (!m_hasStep)
- return false;
- if (!valueForCheck.isFinite())
- return false;
- const Decimal value = (valueForCheck - m_stepBase).abs();
- if (!value.isFinite())
- return false;
- // Decimal's fractional part size is DBL_MAN_DIG-bit. If the current value
- // is greater than step*2^DBL_MANT_DIG, the following computation for
- // remainder makes no sense.
- DEFINE_STATIC_LOCAL(const Decimal, twoPowerOfDoubleMantissaBits, (Decimal::Positive, 0, UINT64_C(1) << DBL_MANT_DIG));
- if (value / twoPowerOfDoubleMantissaBits > m_step)
- return false;
- // The computation follows HTML5 4.10.7.2.10 `The step attribute' :
- // ... that number subtracted from the step base is not an integral multiple
- // of the allowed value step, the element is suffering from a step mismatch.
- const Decimal remainder = (value - m_step * (value / m_step).round()).abs();
- // Accepts erros in lower fractional part which IEEE 754 single-precision
- // can't represent.
- const Decimal computedAcceptableError = acceptableError();
- return computedAcceptableError < remainder && remainder < (m_step - computedAcceptableError);
-}
-
-} // namespace WebCore
« no previous file with comments | « Source/core/html/StepRange.h ('k') | Source/core/html/SubmitInputType.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698