/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "gfxFontFeatures.h" #include "nsUnicharUtils.h" #include "nsHashKeys.h" using namespace mozilla; gfxFontFeatureValueSet::gfxFontFeatureValueSet() : mFontFeatureValues(8) { } bool gfxFontFeatureValueSet::GetFontFeatureValuesFor(const nsAString& aFamily, uint32_t aVariantProperty, const nsAString& aName, nsTArray<uint32_t>& aValues) { nsAutoString family(aFamily), name(aName); ToLowerCase(family); ToLowerCase(name); FeatureValueHashKey key(family, aVariantProperty, name); aValues.Clear(); FeatureValueHashEntry *entry = mFontFeatureValues.GetEntry(key); if (entry) { NS_ASSERTION(entry->mValues.Length() > 0, "null array of font feature values"); aValues.AppendElements(entry->mValues); return true; } return false; } void gfxFontFeatureValueSet::AddFontFeatureValues(const nsAString& aFamily, const nsTArray<gfxFontFeatureValueSet::FeatureValues>& aValues) { nsAutoString family(aFamily); ToLowerCase(family); uint32_t i, numFeatureValues = aValues.Length(); for (i = 0; i < numFeatureValues; i++) { const FeatureValues& fv = aValues.ElementAt(i); uint32_t alternate = fv.alternate; uint32_t j, numValues = fv.valuelist.Length(); for (j = 0; j < numValues; j++) { const ValueList& v = fv.valuelist.ElementAt(j); nsAutoString name(v.name); ToLowerCase(name); FeatureValueHashKey key(family, alternate, name); FeatureValueHashEntry *entry = mFontFeatureValues.PutEntry(key); entry->mKey = key; entry->mValues = v.featureSelectors; } } } bool gfxFontFeatureValueSet::FeatureValueHashEntry::KeyEquals( const KeyTypePointer aKey) const { return aKey->mPropVal == mKey.mPropVal && aKey->mFamily.Equals(mKey.mFamily) && aKey->mName.Equals(mKey.mName); } PLDHashNumber gfxFontFeatureValueSet::FeatureValueHashEntry::HashKey( const KeyTypePointer aKey) { return HashString(aKey->mFamily) + HashString(aKey->mName) + aKey->mPropVal * uint32_t(0xdeadbeef); }