106 строки
2.7 KiB
C++
106 строки
2.7 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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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 "DebugStringConvertible.h"
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namespace facebook {
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namespace react {
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#if RN_DEBUG_STRING_CONVERTIBLE
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std::string DebugStringConvertible::getDebugChildrenDescription(
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DebugStringConvertibleOptions options,
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int depth) const {
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if (depth >= options.maximumDepth) {
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return "";
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}
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std::string childrenString = "";
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for (auto child : getDebugChildren()) {
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if (!child) {
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continue;
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}
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childrenString += child->getDebugDescription(options, depth + 1);
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}
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return childrenString;
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}
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std::string DebugStringConvertible::getDebugPropsDescription(
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DebugStringConvertibleOptions options,
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int depth) const {
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if (depth >= options.maximumDepth) {
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return "";
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}
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std::string propsString = "";
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for (auto prop : getDebugProps()) {
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if (!prop) {
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continue;
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}
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auto name = prop->getDebugName();
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auto value = prop->getDebugValue();
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auto children = prop->getDebugPropsDescription(options, depth + 1);
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auto valueAndChildren =
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value + (children.empty() ? "" : "(" + children + ")");
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propsString +=
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" " + name + (valueAndChildren.empty() ? "" : "=" + valueAndChildren);
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}
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if (!propsString.empty()) {
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// Removing leading space character.
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propsString.erase(propsString.begin());
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}
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return propsString;
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}
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std::string DebugStringConvertible::getDebugDescription(
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DebugStringConvertibleOptions options,
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int depth) const {
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auto nameString = getDebugName();
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auto valueString = getDebugValue();
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auto childrenString = getDebugChildrenDescription(options, depth);
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auto propsString = getDebugPropsDescription(options, depth);
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auto leading = options.format ? std::string(depth * 2, ' ') : std::string{""};
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auto trailing = options.format ? std::string{"\n"} : std::string{""};
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return leading + "<" + nameString +
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(valueString.empty() ? "" : "=" + valueString) +
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(propsString.empty() ? "" : " " + propsString) +
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(childrenString.empty() ? "/>" + trailing
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: ">" + trailing + childrenString + leading +
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"</" + nameString + ">" + trailing);
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}
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std::string DebugStringConvertible::getDebugName() const {
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return "Node";
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}
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std::string DebugStringConvertible::getDebugValue() const {
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return "";
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}
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SharedDebugStringConvertibleList DebugStringConvertible::getDebugChildren()
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const {
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return SharedDebugStringConvertibleList();
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}
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SharedDebugStringConvertibleList DebugStringConvertible::getDebugProps() const {
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return SharedDebugStringConvertibleList();
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}
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#endif
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} // namespace react
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} // namespace facebook
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