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Bug 526402: Stop accepting unitless 0 for angles, times, and frequencies. r=zwol

This commit is contained in:
L. David Baron 2009-11-04 18:36:18 -08:00
Родитель b6aed71369
Коммит 43155b03e4
5 изменённых файлов: 35 добавлений и 38 удалений
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32
layout/style/nsCSSParser.cpp
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@ -112,6 +112,8 @@
#define VARIANT_CUBIC_BEZIER 0x400000 // CSS transition timing function
#define VARIANT_ALL 0x800000 //
#define VARIANT_IMAGE_RECT 0x01000000 // eCSSUnit_Function
// This is an extra bit that says that a VARIANT_ANGLE allows unitless zero:
#define VARIANT_ZERO_ANGLE 0x02000000 // unitless zero for angles
// Common combinations of variants
#define VARIANT_AL (VARIANT_AUTO | VARIANT_LENGTH)
@ -147,6 +149,7 @@
#define VARIANT_HOS (VARIANT_INHERIT | VARIANT_NONE | VARIANT_STRING)
#define VARIANT_TIMING_FUNCTION (VARIANT_KEYWORD | VARIANT_CUBIC_BEZIER)
#define VARIANT_UK (VARIANT_URL | VARIANT_KEYWORD)
#define VARIANT_ANGLE_OR_ZERO (VARIANT_ANGLE | VARIANT_ZERO_ANGLE)
//----------------------------------------------------------------------
@ -1806,12 +1809,12 @@ CSSParserImpl::ParseMediaQueryExpression(nsMediaQuery* aQuery)
}
break;
case nsMediaFeature::eResolution:
rv = GetToken(PR_TRUE) && mToken.IsDimension() &&
rv = GetToken(PR_TRUE) && mToken.mType == eCSSToken_Dimension &&
mToken.mIntegerValid && mToken.mNumber > 0.0f;
if (rv) {
// No worries about whether unitless zero is allowed, since the
// value must be positive (and we checked that above).
NS_ASSERTION(!mToken.mIdent.IsEmpty(), "IsDimension lied");
NS_ASSERTION(!mToken.mIdent.IsEmpty(), "unit lied");
if (mToken.mIdent.LowerCaseEqualsLiteral("dpi")) {
expr->mValue.SetFloatValue(mToken.mNumber, eCSSUnit_Inch);
} else if (mToken.mIdent.LowerCaseEqualsLiteral("dpcm")) {
@ -4294,17 +4297,11 @@ CSSParserImpl::TranslateDimension(nsCSSValue& aValue,
type = VARIANT_LENGTH;
}
else if ((VARIANT_ANGLE & aVariantMask) != 0) {
NS_ASSERTION(aVariantMask & VARIANT_ZERO_ANGLE,
"must have allowed zero angle");
units = eCSSUnit_Degree;
type = VARIANT_ANGLE;
}
else if ((VARIANT_FREQUENCY & aVariantMask) != 0) {
units = eCSSUnit_Hertz;
type = VARIANT_FREQUENCY;
}
else if ((VARIANT_TIME & aVariantMask) != 0) {
units = eCSSUnit_Seconds;
type = VARIANT_TIME;
}
else {
NS_ERROR("Variant mask does not include dimension; why were we called?");
return PR_FALSE;
@ -4466,8 +4463,12 @@ CSSParserImpl::ParseVariant(nsCSSValue& aValue,
}
}
}
if (((aVariantMask & (VARIANT_LENGTH | VARIANT_ANGLE | VARIANT_FREQUENCY | VARIANT_TIME)) != 0) &&
tk->IsDimension()) {
if (((aVariantMask & (VARIANT_LENGTH | VARIANT_ANGLE |
VARIANT_FREQUENCY | VARIANT_TIME)) != 0 &&
eCSSToken_Dimension == tk->mType) ||
((aVariantMask & (VARIANT_LENGTH | VARIANT_ZERO_ANGLE)) != 0 &&
eCSSToken_Number == tk->mType &&
tk->mNumber == 0.0f)) {
if (TranslateDimension(aValue, aVariantMask, tk->mNumber, tk->mIdent)) {
return PR_TRUE;
}
@ -6475,7 +6476,8 @@ CSSParserImpl::ParseBackgroundItem(CSSParserImpl::BackgroundItem& aItem,
eCSSProperty_background_image)) {
return PR_FALSE;
}
} else if (mToken.IsDimension() || tt == eCSSToken_Percentage) {
} else if (tt == eCSSToken_Dimension || tt == eCSSToken_Number ||
tt == eCSSToken_Percentage) {
if (havePosition)
return PR_FALSE;
havePosition = PR_TRUE;
@ -7631,8 +7633,8 @@ static PRBool GetFunctionParseInformation(nsCSSKeyword aToken,
static const PRInt32 kVariantMasks[eNumVariantMasks][kMaxElemsPerFunction] = {
{VARIANT_LENGTH | VARIANT_PERCENT},
{VARIANT_LENGTH | VARIANT_PERCENT, VARIANT_LENGTH | VARIANT_PERCENT},
{VARIANT_ANGLE},
{VARIANT_ANGLE, VARIANT_ANGLE},
{VARIANT_ANGLE_OR_ZERO},
{VARIANT_ANGLE_OR_ZERO, VARIANT_ANGLE_OR_ZERO},
{VARIANT_NUMBER},
{VARIANT_NUMBER, VARIANT_NUMBER},
{VARIANT_NUMBER, VARIANT_NUMBER, VARIANT_NUMBER, VARIANT_NUMBER,

5
layout/style/nsCSSScanner.h
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@ -120,11 +120,6 @@ struct nsCSSToken {
nsCSSToken();
PRBool IsDimension() {
return PRBool((eCSSToken_Dimension == mType) ||
((eCSSToken_Number == mType) && (mNumber == 0.0f)));
}
PRBool IsSymbol(PRUnichar aSymbol) {
return PRBool((eCSSToken_Symbol == mType) && (mSymbol == aSymbol));
}

20
layout/style/test/property_database.js
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@ -1745,27 +1745,27 @@ var gCSSProperties = {
backend_only: true,
type: CSS_TYPE_TRUE_SHORTHAND,
subproperties: [ "pause-before", "pause-after" ],
initial_values: [ "0", "0s", "0ms", "0 0", "0s 0ms", "0ms 0" ],
initial_values: [ "0s", "0ms", "0s 0ms" ],
other_values: [ "1s", "200ms", "-2s", "50%", "-10%", "10% 200ms", "-3s -5%" ],
invalid_values: [ "0px" ]
invalid_values: [ "0", "0px", "0 0", "0ms 0" ]
},
"pause-after": {
domProp: "pauseAfter",
inherited: false,
backend_only: true,
type: CSS_TYPE_LONGHAND,
initial_values: [ "0", "0s", "0ms" ],
initial_values: [ "0s", "0ms" ],
other_values: [ "1s", "200ms", "-2s", "50%", "-10%" ],
invalid_values: [ "0px" ]
invalid_values: [ "0", "0px" ]
},
"pause-before": {
domProp: "pauseBefore",
inherited: false,
backend_only: true,
type: CSS_TYPE_LONGHAND,
initial_values: [ "0", "0s", "0ms" ],
initial_values: [ "0s", "0ms" ],
other_values: [ "1s", "200ms", "-2s", "50%", "-10%" ],
invalid_values: [ "0px" ]
invalid_values: [ "0", "0px" ]
},
"pitch": {
domProp: "pitch",
@ -1972,17 +1972,17 @@ var gCSSProperties = {
domProp: "MozTransitionDelay",
inherited: false,
type: CSS_TYPE_LONGHAND,
initial_values: [ "0", "0s", "0ms" ],
initial_values: [ "0s", "0ms" ],
other_values: [ "1s", "250ms", "-100ms", "-1s", "1s, 250ms, 2.3s"],
invalid_values: []
invalid_values: [ "0", "0px" ]
},
"-moz-transition-duration": {
domProp: "MozTransitionDuration",
inherited: false,
type: CSS_TYPE_LONGHAND,
initial_values: [ "0", "0s", "0ms" ],
initial_values: [ "0s", "0ms" ],
other_values: [ "1s", "250ms", "-1ms", "-2s", "1s, 250ms, 2.3s"],
invalid_values: []
invalid_values: [ "0", "0px" ]
},
"-moz-transition-property": {
domProp: "MozTransitionProperty",

12
layout/style/test/test_shorthand_property_getters.html
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@ -148,17 +148,17 @@ e.setAttribute("style", "-moz-background-clip: border, border, border; -moz-back
is(e.style.background, "", "should not have background shorthand (-moz-background-size too long)");
// Check that we only serialize transition when the lists are the same length.
e.setAttribute("style", "-moz-transition-property: color, width; -moz-transition-duration: 1s, 200ms; -moz-transition-timing-function: ease-in, linear; -moz-transition-delay: 0, 1s");
e.setAttribute("style", "-moz-transition-property: color, width; -moz-transition-duration: 1s, 200ms; -moz-transition-timing-function: ease-in, linear; -moz-transition-delay: 0s, 1s");
isnot(e.style.MozTransition, "", "should have -moz-transition shorthand (lists same length)");
e.setAttribute("style", "-moz-transition-property: color, width, left; -moz-transition-duration: 1s, 200ms; -moz-transition-timing-function: ease-in, linear; -moz-transition-delay: 0, 1s");
e.setAttribute("style", "-moz-transition-property: color, width, left; -moz-transition-duration: 1s, 200ms; -moz-transition-timing-function: ease-in, linear; -moz-transition-delay: 0s, 1s");
is(e.style.MozTransition, "", "should not have -moz-transition shorthand (lists different lengths)");
e.setAttribute("style", "-moz-transition-property: all; -moz-transition-duration: 1s, 200ms; -moz-transition-timing-function: ease-in, linear; -moz-transition-delay: 0, 1s");
e.setAttribute("style", "-moz-transition-property: all; -moz-transition-duration: 1s, 200ms; -moz-transition-timing-function: ease-in, linear; -moz-transition-delay: 0s, 1s");
is(e.style.MozTransition, "", "should not have -moz-transition shorthand (lists different lengths)");
e.setAttribute("style", "-moz-transition-property: color, width; -moz-transition-duration: 1s, 200ms, 300ms; -moz-transition-timing-function: ease-in, linear; -moz-transition-delay: 0, 1s");
e.setAttribute("style", "-moz-transition-property: color, width; -moz-transition-duration: 1s, 200ms, 300ms; -moz-transition-timing-function: ease-in, linear; -moz-transition-delay: 0s, 1s");
is(e.style.MozTransition, "", "should not have -moz-transition shorthand (lists different lengths)");
e.setAttribute("style", "-moz-transition-property: color, width; -moz-transition-duration: 1s, 200ms; -moz-transition-timing-function: ease-in, linear, ease-out; -moz-transition-delay: 0, 1s");
e.setAttribute("style", "-moz-transition-property: color, width; -moz-transition-duration: 1s, 200ms; -moz-transition-timing-function: ease-in, linear, ease-out; -moz-transition-delay: 0s, 1s");
is(e.style.MozTransition, "", "should not have -moz-transition shorthand (lists different lengths)");
e.setAttribute("style", "-moz-transition-property: color, width; -moz-transition-duration: 1s, 200ms; -moz-transition-timing-function: ease-in, linear; -moz-transition-delay: 0, 1s, 0");
e.setAttribute("style", "-moz-transition-property: color, width; -moz-transition-duration: 1s, 200ms; -moz-transition-timing-function: ease-in, linear; -moz-transition-delay: 0s, 1s, 0s");
is(e.style.MozTransition, "", "should not have -moz-transition shorthand (lists different lengths)");

4
layout/style/test/test_transitions_computed_value_combinations.html
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@ -43,7 +43,7 @@ var values = {
[
{ lone: true, specified: "-moz-initial" },
{ lone: false, specified: "2s" },
{ lone: false, specified: "0" },
{ lone: false, specified: "0s" },
{ lone: false, specified: "430ms" },
{ lone: false, specified: "-1s" },
],
@ -70,7 +70,7 @@ var values = {
[
{ lone: true, specified: "-moz-initial" },
{ lone: false, specified: "2s" },
{ lone: false, specified: "0" },
{ lone: false, specified: "0s" },
{ lone: false, specified: "430ms" },
{ lone: false, specified: "-1s" },
],