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Move names for aliases from gAliases into kCSSRawProperties. (Bug 849656, patch 2) r=bzbarsky

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This commit is contained in:
L. David Baron 2013-03-13 09:58:39 -07:00
parent 03b97f192d
commit 5f639edc78
1 changed files with 26 additions and 56 deletions
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82
layout/style/nsCSSProps.cpp
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@ -30,7 +30,7 @@ using namespace mozilla;
extern const char* const kCSSRawProperties[];
// define an array of all CSS properties
const char* const kCSSRawProperties[] = {
const char* const kCSSRawProperties[eCSSProperty_COUNT_with_aliases] = {
#define CSS_PROP(name_, id_, method_, flags_, pref_, parsevariant_, kwtable_, \
stylestruct_, stylestructoffset_, animtype_) \
#name_,
@ -39,6 +39,9 @@ const char* const kCSSRawProperties[] = {
#define CSS_PROP_SHORTHAND(name_, id_, method_, flags_, pref_) #name_,
#include "nsCSSPropList.h"
#undef CSS_PROP_SHORTHAND
#define CSS_PROP_ALIAS(aliasname_, id_, method_, pref_) #aliasname_,
#include "nsCSSPropAliasList.h"
#undef CSS_PROP_ALIAS
};
using namespace mozilla;
@ -77,53 +80,22 @@ SortPropertyAndCount(const void* s1, const void* s2, void *closure)
// We need eCSSAliasCount so we can make gAliases nonzero size when there
// are no aliases.
enum {
#define CSS_PROP_ALIAS(aliasname_, propid_, aliasmethod_, pref_) \
eCSSAliasCountBefore_##aliasmethod_,
#include "nsCSSPropAliasList.h"
#undef CSS_PROP_ALIAS
eCSSAliasCount
};
// Use a macro in the definitions below to ensure compile-time constants
// in all the necessary places.
#define CSS_MAX(x, y) ((x) > (y) ? (x) : (y))
enum {
// We want the largest sizeof(#aliasname_). To find that, we use the
// auto-incrementing behavior of C++ enums (a value without an
// initializer is one larger than the previous value, or 0 at the
// start of the enum), and for each alias we define two values:
// eMaxCSSAliasNameSizeBefore_##aliasmethod_ is the largest
// sizeof(#aliasname_) before that alias. The first one is
// conveniently zero.
// eMaxCSSAliasNameSizeWith_##aliasmethod_ is **one less than** the
// largest sizeof(#aliasname_) before or including that alias.
#define CSS_PROP_ALIAS(aliasname_, propid_, aliasmethod_, pref_) \
eMaxCSSAliasNameSizeBefore_##aliasmethod_, \
eMaxCSSAliasNameSizeWith_##aliasmethod_ = \
CSS_MAX(sizeof(#aliasname_), eMaxCSSAliasNameSizeBefore_##aliasmethod_) - 1,
#include "nsCSSPropAliasList.h"
#undef CSS_PROP_ALIAS
eMaxCSSAliasNameSize
eCSSAliasCount = eCSSProperty_COUNT_with_aliases - eCSSProperty_COUNT
};
struct CSSPropertyAlias {
const char name[CSS_MAX(eMaxCSSAliasNameSize, 1)];
const nsCSSProperty id;
bool enabled;
};
static CSSPropertyAlias gAliases[CSS_MAX(eCSSAliasCount, 1)] = {
// The names are in kCSSRawProperties.
static CSSPropertyAlias gAliases[eCSSAliasCount != 0 ? eCSSAliasCount : 1] = {
#define CSS_PROP_ALIAS(aliasname_, propid_, aliasmethod_, pref_) \
{ #aliasname_, eCSSProperty_##propid_, true },
{ eCSSProperty_##propid_, true },
#include "nsCSSPropAliasList.h"
#undef CSS_PROP_ALIAS
};
#undef CSS_MAX
void
nsCSSProps::AddRefTable(void)
{
@ -136,7 +108,7 @@ nsCSSProps::AddRefTable(void)
#ifdef DEBUG
{
// let's verify the table...
for (int32_t index = 0; index < eCSSProperty_COUNT; ++index) {
for (int32_t index = 0; index < eCSSProperty_COUNT_with_aliases; ++index) {
nsAutoCString temp1(kCSSRawProperties[index]);
nsAutoCString temp2(kCSSRawProperties[index]);
ToLowerCase(temp1);
@ -146,7 +118,7 @@ nsCSSProps::AddRefTable(void)
}
}
#endif
gPropertyTable->Init(kCSSRawProperties, eCSSProperty_COUNT);
gPropertyTable->Init(kCSSRawProperties, eCSSProperty_COUNT_with_aliases);
}
gFontDescTable = new nsStaticCaseInsensitiveNameTable();
@ -393,15 +365,14 @@ nsCSSProps::LookupProperty(const nsACString& aProperty,
nsCSSProperty res = nsCSSProperty(gPropertyTable->Lookup(aProperty));
// Check eCSSAliasCount against 0 to make it easy for the
// compiler to optimize away the 0-aliases case.
if (eCSSAliasCount != 0 && res == eCSSProperty_UNKNOWN) {
for (const CSSPropertyAlias *alias = gAliases,
*alias_end = ArrayEnd(gAliases);
alias < alias_end; ++alias) {
if (aProperty.LowerCaseEqualsASCII(alias->name) &&
(alias->enabled || aEnabled == eAny)) {
res = alias->id;
break;
}
if (eCSSAliasCount != 0 && res >= eCSSProperty_COUNT) {
MOZ_STATIC_ASSERT(eCSSProperty_UNKNOWN < eCSSProperty_COUNT,
"assuming eCSSProperty_UNKNOWN doesn't hit this code");
const CSSPropertyAlias &alias = gAliases[res - eCSSProperty_COUNT];
if (alias.enabled || aEnabled == eAny) {
res = alias.id;
} else {
res = eCSSProperty_UNKNOWN;
}
}
if (res != eCSSProperty_UNKNOWN && aEnabled == eEnabled && !IsEnabled(res)) {
@ -420,15 +391,14 @@ nsCSSProps::LookupProperty(const nsAString& aProperty, EnabledState aEnabled)
nsCSSProperty res = nsCSSProperty(gPropertyTable->Lookup(aProperty));
// Check eCSSAliasCount against 0 to make it easy for the
// compiler to optimize away the 0-aliases case.
if (eCSSAliasCount != 0 && res == eCSSProperty_UNKNOWN) {
for (const CSSPropertyAlias *alias = gAliases,
*alias_end = ArrayEnd(gAliases);
alias < alias_end; ++alias) {
if (aProperty.LowerCaseEqualsASCII(alias->name) &&
(alias->enabled || aEnabled == eAny)) {
res = alias->id;
break;
}
if (eCSSAliasCount != 0 && res >= eCSSProperty_COUNT) {
MOZ_STATIC_ASSERT(eCSSProperty_UNKNOWN < eCSSProperty_COUNT,
"assuming eCSSProperty_UNKNOWN doesn't hit this code");
const CSSPropertyAlias &alias = gAliases[res - eCSSProperty_COUNT];
if (alias.enabled || aEnabled == eAny) {
res = alias.id;
} else {
res = eCSSProperty_UNKNOWN;
}
}
if (res != eCSSProperty_UNKNOWN && aEnabled == eEnabled && !IsEnabled(res)) {