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d9ff1769aa
Summary: I was shamed by Sebastian's sebmarkbage concerns (totally unrelated to this topic) about introducing another level of indirection into the system and decided to change my original plan not to support text attributes for the <Paragraph> component. So, now <Paragraph> shares <View>, <Text> and <Paragraph> itself capabilities. That reduces the minimum amount of required components for trivial text fragment from three (Paragraph, Text, RawText) to two (Paragraph and RawText). Special thanks for C++ for supporting multiple inheritance. Reviewed By: mdvacca Differential Revision: D7785889 fbshipit-source-id: dd9f2e2650bfbfd76d7d4b538adaf409f9429df3
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "BaseTextShadowNode.h"
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#include <fabric/debug/DebugStringConvertibleItem.h>
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#include "RawTextShadowNode.h"
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#include "RawTextProps.h"
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#include "TextShadowNode.h"
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#include "TextProps.h"
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namespace facebook {
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namespace react {
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AttributedString BaseTextShadowNode::getAttributedString(
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const TextAttributes &textAttributes,
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const SharedShadowNodeSharedList &childNodes
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) const {
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// TODO: Implement caching.
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AttributedString attributedString;
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for (auto &&childNode : *childNodes) {
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// RawShadowNode
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SharedRawTextShadowNode rawTextShadowNode = std::dynamic_pointer_cast<const RawTextShadowNode>(childNode);
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if (rawTextShadowNode) {
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AttributedString::Fragment fragment;
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fragment.string = rawTextShadowNode->getProps()->getText();
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fragment.textAttributes = textAttributes;
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attributedString.appendFragment(fragment);
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continue;
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}
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// TextShadowNode
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SharedTextShadowNode textShadowNode = std::dynamic_pointer_cast<const TextShadowNode>(childNode);
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if (textShadowNode) {
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TextAttributes localTextAttributes = textAttributes;
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localTextAttributes.apply(textShadowNode->getProps()->getTextAttributes());
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attributedString.appendAttributedString(textShadowNode->getAttributedString(localTextAttributes, textShadowNode->getChildren()));
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continue;
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}
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// Any other kind of ShadowNode
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AttributedString::Fragment fragment;
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fragment.shadowNode = childNode;
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fragment.textAttributes = textAttributes;
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attributedString.appendFragment(fragment);
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}
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return attributedString;
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}
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} // namespace react
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} // namespace facebook
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