Title: [197389] trunk
Revision
197389
Author
[email protected]
Date
2016-02-29 23:37:16 -0800 (Mon, 29 Feb 2016)

Log Message

Have parseHTMLInteger() / parseHTMLNonNegativeInteger() use WTF::Optional
https://bugs.webkit.org/show_bug.cgi?id=154845

Reviewed by Ryosuke Niwa.

Source/WebCore:

Have parseHTMLInteger() / parseHTMLNonNegativeInteger() use
WTF::Optional.

* dom/Element.cpp:
(WebCore::Element::getIntegralAttribute):
(WebCore::Element::getUnsignedIntegralAttribute):
(WebCore::Element::setUnsignedIntegralAttribute): Deleted.
* html/HTMLElement.cpp:
(WebCore::HTMLElement::parseBorderWidthAttribute):
(WebCore::HTMLElement::parseAttribute):
* html/HTMLInputElement.cpp:
(WebCore::HTMLInputElement::parseMaxLengthAttribute):
* html/HTMLInputElement.h:
* html/HTMLOListElement.cpp:
(WebCore::HTMLOListElement::parseAttribute):
* html/HTMLTextAreaElement.cpp:
(WebCore::HTMLTextAreaElement::maxLength):
* html/ImageInputType.cpp:
(WebCore::ImageInputType::height):
(WebCore::ImageInputType::width):
* html/parser/HTMLParserIdioms.cpp:
(WebCore::parseHTMLIntegerInternal):
(WebCore::parseHTMLInteger):
(WebCore::parseHTMLNonNegativeInteger):
* html/parser/HTMLParserIdioms.h:
(WebCore::limitToOnlyHTMLNonNegativeNumbersGreaterThanZero):
(WebCore::limitToOnlyHTMLNonNegative):
* svg/SVGElement.cpp:
(WebCore::SVGElement::parseAttribute):

Tools:

Update API tests accordingly.

* TestWebKitAPI/Tests/WebCore/HTMLParserIdioms.cpp:
(TestWebKitAPI::testParseHTMLInteger):
(TestWebKitAPI::parseHTMLIntegerFails):
(TestWebKitAPI::testParseHTMLNonNegativeInteger):
(TestWebKitAPI::parseHTMLNonNegativeIntegerFails):
(TestWebKitAPI::TEST): Deleted.

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (197388 => 197389)


--- trunk/Source/WebCore/ChangeLog	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Source/WebCore/ChangeLog	2016-03-01 07:37:16 UTC (rev 197389)
@@ -1,3 +1,40 @@
+2016-02-29  Chris Dumez  <[email protected]>
+
+        Have parseHTMLInteger() / parseHTMLNonNegativeInteger() use WTF::Optional
+        https://bugs.webkit.org/show_bug.cgi?id=154845
+
+        Reviewed by Ryosuke Niwa.
+
+        Have parseHTMLInteger() / parseHTMLNonNegativeInteger() use
+        WTF::Optional.
+
+        * dom/Element.cpp:
+        (WebCore::Element::getIntegralAttribute):
+        (WebCore::Element::getUnsignedIntegralAttribute):
+        (WebCore::Element::setUnsignedIntegralAttribute): Deleted.
+        * html/HTMLElement.cpp:
+        (WebCore::HTMLElement::parseBorderWidthAttribute):
+        (WebCore::HTMLElement::parseAttribute):
+        * html/HTMLInputElement.cpp:
+        (WebCore::HTMLInputElement::parseMaxLengthAttribute):
+        * html/HTMLInputElement.h:
+        * html/HTMLOListElement.cpp:
+        (WebCore::HTMLOListElement::parseAttribute):
+        * html/HTMLTextAreaElement.cpp:
+        (WebCore::HTMLTextAreaElement::maxLength):
+        * html/ImageInputType.cpp:
+        (WebCore::ImageInputType::height):
+        (WebCore::ImageInputType::width):
+        * html/parser/HTMLParserIdioms.cpp:
+        (WebCore::parseHTMLIntegerInternal):
+        (WebCore::parseHTMLInteger):
+        (WebCore::parseHTMLNonNegativeInteger):
+        * html/parser/HTMLParserIdioms.h:
+        (WebCore::limitToOnlyHTMLNonNegativeNumbersGreaterThanZero):
+        (WebCore::limitToOnlyHTMLNonNegative):
+        * svg/SVGElement.cpp:
+        (WebCore::SVGElement::parseAttribute):
+
 2016-02-29  Zan Dobersek  <[email protected]>
 
         TextureMapperGL: simplify TransformationMatrix copies in draw(), beginClip()

Modified: trunk/Source/WebCore/dom/Element.cpp (197388 => 197389)


--- trunk/Source/WebCore/dom/Element.cpp	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Source/WebCore/dom/Element.cpp	2016-03-01 07:37:16 UTC (rev 197389)
@@ -2765,9 +2765,7 @@
 
 int Element::getIntegralAttribute(const QualifiedName& attributeName) const
 {
-    int value = 0;
-    parseHTMLInteger(getAttribute(attributeName), value);
-    return value;
+    return parseHTMLInteger(getAttribute(attributeName)).valueOr(0);
 }
 
 void Element::setIntegralAttribute(const QualifiedName& attributeName, int value)
@@ -2777,9 +2775,7 @@
 
 unsigned Element::getUnsignedIntegralAttribute(const QualifiedName& attributeName) const
 {
-    unsigned value = 0;
-    parseHTMLNonNegativeInteger(getAttribute(attributeName), value);
-    return value;
+    return parseHTMLNonNegativeInteger(getAttribute(attributeName)).valueOr(0);
 }
 
 void Element::setUnsignedIntegralAttribute(const QualifiedName& attributeName, unsigned value)

Modified: trunk/Source/WebCore/html/HTMLElement.cpp (197388 => 197389)


--- trunk/Source/WebCore/html/HTMLElement.cpp	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Source/WebCore/html/HTMLElement.cpp	2016-03-01 07:37:16 UTC (rev 197389)
@@ -133,10 +133,8 @@
 
 unsigned HTMLElement::parseBorderWidthAttribute(const AtomicString& value) const
 {
-    unsigned borderWidth = 0;
-    if (value.isEmpty() || !parseHTMLNonNegativeInteger(value, borderWidth))
-        return hasTagName(tableTag) ? 1 : borderWidth;
-    return borderWidth;
+    auto optionalBorderWidth = value.isEmpty() ? Nullopt : parseHTMLNonNegativeInteger(value);
+    return optionalBorderWidth.valueOr(hasTagName(tableTag) ? 1 : 0);
 }
 
 void HTMLElement::applyBorderAttributeToStyle(const AtomicString& value, MutableStyleProperties& style)
@@ -451,12 +449,11 @@
     }
 
     if (name == tabindexAttr) {
-        int tabIndex = 0;
         if (value.isEmpty())
             clearTabIndexExplicitlyIfNeeded();
-        else if (parseHTMLInteger(value, tabIndex)) {
+        else if (auto optionalTabIndex = parseHTMLInteger(value)) {
             // Clamp tab index to a 16-bit value to match Firefox's behavior.
-            setTabIndexExplicitly(std::max(-0x8000, std::min(tabIndex, 0x7FFF)));
+            setTabIndexExplicitly(std::max(-0x8000, std::min(optionalTabIndex.value(), 0x7FFF)));
         }
         return;
     }

Modified: trunk/Source/WebCore/html/HTMLInputElement.cpp (197388 => 197389)


--- trunk/Source/WebCore/html/HTMLInputElement.cpp	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Source/WebCore/html/HTMLInputElement.cpp	2016-03-01 07:37:16 UTC (rev 197389)
@@ -89,7 +89,7 @@
 // large. However, due to https://bugs.webkit.org/show_bug.cgi?id=14536 things
 // get rather sluggish when a text field has a larger number of characters than
 // this, even when just clicking in the text field.
-const int HTMLInputElement::maximumLength = 524288;
+const unsigned HTMLInputElement::maximumLength = 524288;
 const int defaultSize = 20;
 const int maxSavedResults = 256;
 
@@ -1742,11 +1742,7 @@
 
 void HTMLInputElement::parseMaxLengthAttribute(const AtomicString& value)
 {
-    int maxLength;
-    if (!parseHTMLInteger(value, maxLength))
-        maxLength = maximumLength;
-    if (maxLength < 0 || maxLength > maximumLength)
-        maxLength = maximumLength;
+    int maxLength = std::min(parseHTMLNonNegativeInteger(value).valueOr(maximumLength), maximumLength);
     int oldMaxLength = m_maxLength;
     m_maxLength = maxLength;
     if (oldMaxLength != maxLength)

Modified: trunk/Source/WebCore/html/HTMLInputElement.h (197388 => 197389)


--- trunk/Source/WebCore/html/HTMLInputElement.h	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Source/WebCore/html/HTMLInputElement.h	2016-03-01 07:37:16 UTC (rev 197389)
@@ -289,7 +289,7 @@
     bool shouldUseMediaCapture() const;
 #endif
 
-    static const int maximumLength;
+    static const unsigned maximumLength;
 
     unsigned height() const;
     unsigned width() const;

Modified: trunk/Source/WebCore/html/HTMLOListElement.cpp (197388 => 197389)


--- trunk/Source/WebCore/html/HTMLOListElement.cpp	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Source/WebCore/html/HTMLOListElement.cpp	2016-03-01 07:37:16 UTC (rev 197389)
@@ -80,11 +80,7 @@
 {
     if (name == startAttr) {
         int oldStart = start();
-        int parsedStart;
-        if (parseHTMLInteger(value, parsedStart))
-            m_start = parsedStart;
-        else
-            m_start = Nullopt;
+        m_start = parseHTMLInteger(value);
         if (oldStart == start())
             return;
         updateItemValues();

Modified: trunk/Source/WebCore/html/HTMLTextAreaElement.cpp (197388 => 197389)


--- trunk/Source/WebCore/html/HTMLTextAreaElement.cpp	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Source/WebCore/html/HTMLTextAreaElement.cpp	2016-03-01 07:37:16 UTC (rev 197389)
@@ -423,10 +423,10 @@
 
 int HTMLTextAreaElement::maxLength() const
 {
-    unsigned result;
-    if (parseHTMLNonNegativeInteger(fastGetAttribute(maxlengthAttr), result))
-        return result;
-    return -1;
+    auto optionalMaxLength = parseHTMLNonNegativeInteger(fastGetAttribute(maxlengthAttr));
+    if (!optionalMaxLength)
+        return -1;
+    return optionalMaxLength.value();
 }
 
 void HTMLTextAreaElement::setMaxLength(int newValue, ExceptionCode& ec)

Modified: trunk/Source/WebCore/html/ImageInputType.cpp (197388 => 197389)


--- trunk/Source/WebCore/html/ImageInputType.cpp	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Source/WebCore/html/ImageInputType.cpp	2016-03-01 07:37:16 UTC (rev 197389)
@@ -176,9 +176,8 @@
 
     if (!element->renderer()) {
         // Check the attribute first for an explicit pixel value.
-        unsigned height;
-        if (parseHTMLNonNegativeInteger(element->fastGetAttribute(heightAttr), height))
-            return height;
+        if (auto optionalHeight = parseHTMLNonNegativeInteger(element->fastGetAttribute(heightAttr)))
+            return optionalHeight.value();
 
         // If the image is available, use its height.
         HTMLImageLoader* imageLoader = element->imageLoader();
@@ -198,9 +197,8 @@
 
     if (!element->renderer()) {
         // Check the attribute first for an explicit pixel value.
-        unsigned width;
-        if (parseHTMLNonNegativeInteger(element->fastGetAttribute(widthAttr), width))
-            return width;
+        if (auto optionalWidth = parseHTMLNonNegativeInteger(element->fastGetAttribute(widthAttr)))
+            return optionalWidth.value();
 
         // If the image is available, use its width.
         HTMLImageLoader* imageLoader = element->imageLoader();

Modified: trunk/Source/WebCore/html/parser/HTMLParserIdioms.cpp (197388 => 197389)


--- trunk/Source/WebCore/html/parser/HTMLParserIdioms.cpp	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Source/WebCore/html/parser/HTMLParserIdioms.cpp	2016-03-01 07:37:16 UTC (rev 197389)
@@ -153,13 +153,13 @@
 }
 
 template <typename CharacterType>
-static bool parseHTMLIntegerInternal(const CharacterType* position, const CharacterType* end, int& value)
+static Optional<int> parseHTMLIntegerInternal(const CharacterType* position, const CharacterType* end)
 {
     while (position < end && isHTMLSpace(*position))
         ++position;
 
     if (position == end)
-        return false;
+        return Nullopt;
 
     bool isNegative = false;
     if (*position == '-') {
@@ -169,7 +169,7 @@
         ++position;
 
     if (position == end || !isASCIIDigit(*position))
-        return false;
+        return Nullopt;
 
     constexpr int intMax = std::numeric_limits<int>::max();
     constexpr int base = 10;
@@ -180,41 +180,39 @@
         int digitValue = *position - '0';
 
         if (result > maxMultiplier || (result == maxMultiplier && digitValue > (intMax % base) + isNegative))
-            return false;
+            return Nullopt;
 
         result = base * result + digitValue;
         ++position;
     } while (position < end && isASCIIDigit(*position));
 
-    value = isNegative ? -result : result;
-    return true;
+    return isNegative ? -result : result;
 }
 
 // https://html.spec.whatwg.org/multipage/infrastructure.html#rules-for-parsing-integers
-bool parseHTMLInteger(const String& input, int& value)
+Optional<int> parseHTMLInteger(const String& input)
 {
     unsigned length = input.length();
     if (!length)
-        return false;
+        return Nullopt;
 
     if (LIKELY(input.is8Bit())) {
         auto* start = input.characters8();
-        return parseHTMLIntegerInternal(start, start + length, value);
+        return parseHTMLIntegerInternal(start, start + length);
     }
 
     auto* start = input.characters16();
-    return parseHTMLIntegerInternal(start, start + length, value);
+    return parseHTMLIntegerInternal(start, start + length);
 }
 
 // https://html.spec.whatwg.org/multipage/infrastructure.html#rules-for-parsing-non-negative-integers
-bool parseHTMLNonNegativeInteger(const String& input, unsigned& value)
+Optional<unsigned> parseHTMLNonNegativeInteger(const String& input)
 {
-    int signedValue;
-    if (!parseHTMLInteger(input, signedValue) || signedValue < 0)
-        return false;
+    Optional<int> signedValue = parseHTMLInteger(input);
+    if (!signedValue || signedValue.value() < 0)
+        return Nullopt;
 
-    value = signedValue;
-    return true;
+    return signedValue.value();
 }
 
 static bool threadSafeEqual(const StringImpl& a, const StringImpl& b)

Modified: trunk/Source/WebCore/html/parser/HTMLParserIdioms.h (197388 => 197389)


--- trunk/Source/WebCore/html/parser/HTMLParserIdioms.h	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Source/WebCore/html/parser/HTMLParserIdioms.h	2016-03-01 07:37:16 UTC (rev 197389)
@@ -27,6 +27,7 @@
 
 #include <unicode/uchar.h>
 #include <wtf/Forward.h>
+#include <wtf/Optional.h>
 
 namespace WebCore {
 
@@ -60,10 +61,10 @@
 double parseToDoubleForNumberType(const String&, double fallbackValue);
 
 // http://www.whatwg.org/specs/web-apps/current-work/#rules-for-parsing-integers
-WEBCORE_EXPORT bool parseHTMLInteger(const String&, int&);
+WEBCORE_EXPORT Optional<int> parseHTMLInteger(const String&);
 
 // http://www.whatwg.org/specs/web-apps/current-work/#rules-for-parsing-non-negative-integers
-WEBCORE_EXPORT bool parseHTMLNonNegativeInteger(const String&, unsigned&);
+WEBCORE_EXPORT Optional<unsigned> parseHTMLNonNegativeInteger(const String&);
 
 // https://html.spec.whatwg.org/multipage/infrastructure.html#cors-settings-attribute
 String parseCORSSettingsAttribute(const AtomicString&);
@@ -120,9 +121,8 @@
 
 inline unsigned limitToOnlyHTMLNonNegativeNumbersGreaterThanZero(const String& stringValue, unsigned defaultValue = 1)
 {
-    unsigned value;
-    if (!parseHTMLNonNegativeInteger(stringValue, value) || !value)
-        value = defaultValue;
+    auto optionalValue = parseHTMLNonNegativeInteger(stringValue);
+    unsigned value = optionalValue && optionalValue.value() ? optionalValue.value() : defaultValue;
     ASSERT(value > 0 && value <= maxHTMLNonNegativeInteger);
     return value;
 }
@@ -135,9 +135,7 @@
 
 inline unsigned limitToOnlyHTMLNonNegative(const String& stringValue, unsigned defaultValue = 0)
 {
-    unsigned value;
-    if (!parseHTMLNonNegativeInteger(stringValue, value))
-        value = defaultValue;
+    unsigned value = parseHTMLNonNegativeInteger(stringValue).valueOr(defaultValue);
     ASSERT(value <= maxHTMLNonNegativeInteger);
     return value;
 }

Modified: trunk/Source/WebCore/svg/SVGElement.cpp (197388 => 197389)


--- trunk/Source/WebCore/svg/SVGElement.cpp	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Source/WebCore/svg/SVGElement.cpp	2016-03-01 07:37:16 UTC (rev 197389)
@@ -516,12 +516,11 @@
     }
 
     if (name == HTMLNames::tabindexAttr) {
-        int tabindex = 0;
         if (value.isEmpty())
             clearTabIndexExplicitlyIfNeeded();
-        else if (parseHTMLInteger(value, tabindex)) {
+        else if (auto optionalTabIndex = parseHTMLInteger(value)) {
             // Clamp tabindex to the range of 'short' to match Firefox's behavior.
-            setTabIndexExplicitly(std::max(static_cast<int>(std::numeric_limits<short>::min()), std::min(tabindex, static_cast<int>(std::numeric_limits<short>::max()))));
+            setTabIndexExplicitly(std::max(static_cast<int>(std::numeric_limits<short>::min()), std::min(optionalTabIndex.value(), static_cast<int>(std::numeric_limits<short>::max()))));
         }
         return;
     }

Modified: trunk/Tools/ChangeLog (197388 => 197389)


--- trunk/Tools/ChangeLog	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Tools/ChangeLog	2016-03-01 07:37:16 UTC (rev 197389)
@@ -1,3 +1,19 @@
+2016-02-29  Chris Dumez  <[email protected]>
+
+        Have parseHTMLInteger() / parseHTMLNonNegativeInteger() use WTF::Optional
+        https://bugs.webkit.org/show_bug.cgi?id=154845
+
+        Reviewed by Ryosuke Niwa.
+
+        Update API tests accordingly.
+
+        * TestWebKitAPI/Tests/WebCore/HTMLParserIdioms.cpp:
+        (TestWebKitAPI::testParseHTMLInteger):
+        (TestWebKitAPI::parseHTMLIntegerFails):
+        (TestWebKitAPI::testParseHTMLNonNegativeInteger):
+        (TestWebKitAPI::parseHTMLNonNegativeIntegerFails):
+        (TestWebKitAPI::TEST): Deleted.
+
 2016-02-29  Simon Fraser  <[email protected]>
 
         Remove the experimental feature of antialiased font dilation

Modified: trunk/Tools/TestWebKitAPI/Tests/WebCore/HTMLParserIdioms.cpp (197388 => 197389)


--- trunk/Tools/TestWebKitAPI/Tests/WebCore/HTMLParserIdioms.cpp	2016-03-01 07:36:02 UTC (rev 197388)
+++ trunk/Tools/TestWebKitAPI/Tests/WebCore/HTMLParserIdioms.cpp	2016-03-01 07:37:16 UTC (rev 197389)
@@ -35,16 +35,14 @@
 
 static int testParseHTMLInteger(const String& input)
 {
-    int result = 0;
-    bool success = parseHTMLInteger(input, result);
-    EXPECT_TRUE(success);
-    return result;
+    auto optionalResult = parseHTMLInteger(input);
+    EXPECT_TRUE(!!optionalResult);
+    return optionalResult.valueOr(0);
 }
 
 static bool parseHTMLIntegerFails(const String& input)
 {
-    int result = 0;
-    return !parseHTMLInteger(input, result);
+    return !parseHTMLInteger(input);
 }
 
 TEST(WebCoreHTMLParserIdioms, parseHTMLInteger)
@@ -101,16 +99,14 @@
 
 static unsigned testParseHTMLNonNegativeInteger(const String& input)
 {
-    unsigned result = 0;
-    bool success = parseHTMLNonNegativeInteger(input, result);
-    EXPECT_TRUE(success);
-    return result;
+    auto optionalResult = parseHTMLNonNegativeInteger(input);
+    EXPECT_TRUE(!!optionalResult);
+    return optionalResult.valueOr(0);
 }
 
 static bool parseHTMLNonNegativeIntegerFails(const String& input)
 {
-    unsigned result = 0;
-    return !parseHTMLNonNegativeInteger(input, result);
+    return !parseHTMLNonNegativeInteger(input);
 }
 
 TEST(WebCoreHTMLParserIdioms, parseHTMLNonNegativeInteger)
_______________________________________________
webkit-changes mailing list
[email protected]
https://lists.webkit.org/mailman/listinfo/webkit-changes

Reply via email to