GT2/Ejectable/node_modules/react-native/ReactCommon/fabric/attributedstring/AttributedString.cpp

152 lines
3.5 KiB
C++

/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include "AttributedString.h"
#include <react/debug/DebugStringConvertibleItem.h>
namespace facebook {
namespace react {
using Fragment = AttributedString::Fragment;
using Fragments = AttributedString::Fragments;
#pragma mark - Fragment
std::string Fragment::AttachmentCharacter() {
return "\uFFFC"; // Unicode `OBJECT REPLACEMENT CHARACTER`
}
bool Fragment::isAttachment() const {
return string == AttachmentCharacter();
}
bool Fragment::operator==(const Fragment &rhs) const {
return std::tie(
string,
textAttributes,
parentShadowView.tag,
parentShadowView.layoutMetrics) ==
std::tie(
rhs.string,
rhs.textAttributes,
rhs.parentShadowView.tag,
rhs.parentShadowView.layoutMetrics);
}
bool Fragment::operator!=(const Fragment &rhs) const {
return !(*this == rhs);
}
#pragma mark - AttributedString
void AttributedString::appendFragment(const Fragment &fragment) {
ensureUnsealed();
if (fragment.string.empty()) {
return;
}
fragments_.push_back(fragment);
}
void AttributedString::prependFragment(const Fragment &fragment) {
ensureUnsealed();
if (fragment.string.empty()) {
return;
}
fragments_.insert(fragments_.begin(), fragment);
}
void AttributedString::appendAttributedString(
const AttributedString &attributedString) {
ensureUnsealed();
fragments_.insert(
fragments_.end(),
attributedString.fragments_.begin(),
attributedString.fragments_.end());
}
void AttributedString::prependAttributedString(
const AttributedString &attributedString) {
ensureUnsealed();
fragments_.insert(
fragments_.begin(),
attributedString.fragments_.begin(),
attributedString.fragments_.end());
}
Fragments const &AttributedString::getFragments() const {
return fragments_;
}
Fragments &AttributedString::getFragments() {
return fragments_;
}
std::string AttributedString::getString() const {
auto string = std::string{};
for (const auto &fragment : fragments_) {
string += fragment.string;
}
return string;
}
bool AttributedString::isEmpty() const {
return fragments_.empty();
}
bool AttributedString::compareTextAttributesWithoutFrame(
const AttributedString &rhs) const {
if (fragments_.size() != rhs.fragments_.size()) {
return false;
}
for (unsigned i = 0; i < fragments_.size(); i++) {
if (fragments_[i].textAttributes != rhs.fragments_[i].textAttributes ||
fragments_[i].string != rhs.fragments_[i].string) {
return false;
}
}
return true;
}
bool AttributedString::operator==(const AttributedString &rhs) const {
return fragments_ == rhs.fragments_;
}
bool AttributedString::operator!=(const AttributedString &rhs) const {
return !(*this == rhs);
}
#pragma mark - DebugStringConvertible
#if RN_DEBUG_STRING_CONVERTIBLE
SharedDebugStringConvertibleList AttributedString::getDebugChildren() const {
auto list = SharedDebugStringConvertibleList{};
for (auto &&fragment : fragments_) {
auto propsList =
fragment.textAttributes.DebugStringConvertible::getDebugProps();
list.push_back(std::make_shared<DebugStringConvertibleItem>(
"Fragment",
fragment.string,
SharedDebugStringConvertibleList(),
propsList));
}
return list;
}
#endif
} // namespace react
} // namespace facebook