Files
react-native/ReactCommon/fabric/attributedstring/conversions.h
T
Jiayan Zhuang 550c66ea64 Change accessibilityRole to an enum
Summary:
Changelog:
[Internal] - Change the accessibilityRole from a string to an enum.

The change aims to save storage especially when scaling. Also, the enum makes it more difficult to input wrong because it gets checked when compiling.

Reviewed By: sammy-SC

Differential Revision: D22396351

fbshipit-source-id: b46ce0bd156c7705020ef5b061d8ac29e2cf3948
2020-07-14 09:55:32 -07:00

667 lines
19 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.
*/
#pragma once
#include <folly/Conv.h>
#include <folly/dynamic.h>
#include <react/attributedstring/AttributedString.h>
#include <react/attributedstring/ParagraphAttributes.h>
#include <react/attributedstring/TextAttributes.h>
#include <react/attributedstring/conversions.h>
#include <react/attributedstring/primitives.h>
#include <react/core/LayoutableShadowNode.h>
#include <react/core/ShadowNode.h>
#include <react/core/conversions.h>
#include <react/core/propsConversions.h>
#include <react/graphics/Geometry.h>
#include <react/graphics/conversions.h>
#include <cmath>
#include <glog/logging.h>
namespace facebook {
namespace react {
inline std::string toString(const EllipsizeMode &ellipsisMode) {
switch (ellipsisMode) {
case EllipsizeMode::Clip:
return "clip";
case EllipsizeMode::Head:
return "head";
case EllipsizeMode::Tail:
return "tail";
case EllipsizeMode::Middle:
return "middle";
}
}
inline void fromRawValue(const RawValue &value, EllipsizeMode &result) {
auto string = (std::string)value;
if (string == "clip") {
result = EllipsizeMode::Clip;
return;
}
if (string == "head") {
result = EllipsizeMode::Head;
return;
}
if (string == "tail") {
result = EllipsizeMode::Tail;
return;
}
if (string == "middle") {
result = EllipsizeMode::Middle;
return;
}
abort();
}
inline std::string toString(const TextBreakStrategy &textBreakStrategy) {
switch (textBreakStrategy) {
case TextBreakStrategy::Simple:
return "simple";
case TextBreakStrategy::HighQuality:
return "highQuality";
case TextBreakStrategy::Balanced:
return "balanced";
}
}
inline void fromRawValue(const RawValue &value, TextBreakStrategy &result) {
auto string = (std::string)value;
if (string == "simple") {
result = TextBreakStrategy::Simple;
return;
}
if (string == "highQuality") {
result = TextBreakStrategy::HighQuality;
return;
}
if (string == "balanced") {
result = TextBreakStrategy::Balanced;
return;
}
abort();
}
inline void fromRawValue(const RawValue &value, FontWeight &result) {
auto string = (std::string)value;
if (string == "normal") {
result = FontWeight::Regular;
return;
}
if (string == "regular") {
result = FontWeight::Regular;
return;
}
if (string == "bold") {
result = FontWeight::Bold;
return;
}
if (string == "100") {
result = FontWeight::Weight100;
return;
}
if (string == "200") {
result = FontWeight::Weight200;
return;
}
if (string == "300") {
result = FontWeight::Weight300;
return;
}
if (string == "400") {
result = FontWeight::Weight400;
return;
}
if (string == "500") {
result = FontWeight::Weight500;
return;
}
if (string == "600") {
result = FontWeight::Weight600;
return;
}
if (string == "700") {
result = FontWeight::Weight700;
return;
}
if (string == "800") {
result = FontWeight::Weight800;
return;
}
if (string == "900") {
result = FontWeight::Weight900;
return;
}
abort();
}
inline std::string toString(const FontWeight &fontWeight) {
return folly::to<std::string>((int)fontWeight);
}
inline void fromRawValue(const RawValue &value, FontStyle &result) {
auto string = (std::string)value;
if (string == "normal") {
result = FontStyle::Normal;
return;
}
if (string == "italic") {
result = FontStyle::Italic;
return;
}
if (string == "oblique") {
result = FontStyle::Oblique;
return;
}
abort();
}
inline std::string toString(const FontStyle &fontStyle) {
switch (fontStyle) {
case FontStyle::Normal:
return "normal";
case FontStyle::Italic:
return "italic";
case FontStyle::Oblique:
return "oblique";
}
}
inline void fromRawValue(const RawValue &value, FontVariant &result) {
assert(value.hasType<std::vector<std::string>>());
result = FontVariant::Default;
auto items = std::vector<std::string>{value};
for (const auto &item : items) {
if (item == "small-caps") {
result = (FontVariant)((int)result | (int)FontVariant::SmallCaps);
continue;
}
if (item == "oldstyle-nums") {
result = (FontVariant)((int)result | (int)FontVariant::OldstyleNums);
continue;
}
if (item == "lining-nums") {
result = (FontVariant)((int)result | (int)FontVariant::LiningNums);
continue;
}
if (item == "tabular-nums") {
result = (FontVariant)((int)result | (int)FontVariant::TabularNums);
continue;
}
if (item == "proportional-nums") {
result = (FontVariant)((int)result | (int)FontVariant::ProportionalNums);
continue;
}
}
}
inline std::string toString(const FontVariant &fontVariant) {
auto result = std::string{};
auto separator = std::string{", "};
if ((int)fontVariant & (int)FontVariant::SmallCaps) {
result += "small-caps" + separator;
}
if ((int)fontVariant & (int)FontVariant::OldstyleNums) {
result += "oldstyle-nums" + separator;
}
if ((int)fontVariant & (int)FontVariant::LiningNums) {
result += "lining-nums" + separator;
}
if ((int)fontVariant & (int)FontVariant::TabularNums) {
result += "tabular-nums" + separator;
}
if ((int)fontVariant & (int)FontVariant::ProportionalNums) {
result += "proportional-nums" + separator;
}
if (!result.empty()) {
result.erase(result.length() - separator.length());
}
return result;
}
inline void fromRawValue(const RawValue &value, TextAlignment &result) {
auto string = (std::string)value;
if (string == "auto") {
result = TextAlignment::Natural;
return;
}
if (string == "left") {
result = TextAlignment::Left;
return;
}
if (string == "center") {
result = TextAlignment::Center;
return;
}
if (string == "right") {
result = TextAlignment::Right;
return;
}
if (string == "justify") {
result = TextAlignment::Justified;
return;
}
abort();
}
inline std::string toString(const TextAlignment &textAlignment) {
switch (textAlignment) {
case TextAlignment::Natural:
return "natural";
case TextAlignment::Left:
return "left";
case TextAlignment::Center:
return "center";
case TextAlignment::Right:
return "right";
case TextAlignment::Justified:
return "justified";
}
}
inline void fromRawValue(const RawValue &value, WritingDirection &result) {
auto string = (std::string)value;
if (string == "natural") {
result = WritingDirection::Natural;
return;
}
if (string == "ltr") {
result = WritingDirection::LeftToRight;
return;
}
if (string == "rtl") {
result = WritingDirection::RightToLeft;
return;
}
abort();
}
inline std::string toString(const WritingDirection &writingDirection) {
switch (writingDirection) {
case WritingDirection::Natural:
return "natural";
case WritingDirection::LeftToRight:
return "ltr";
case WritingDirection::RightToLeft:
return "rtl";
}
}
inline void fromRawValue(
const RawValue &value,
TextDecorationLineType &result) {
auto string = (std::string)value;
if (string == "none") {
result = TextDecorationLineType::None;
return;
}
if (string == "underline") {
result = TextDecorationLineType::Underline;
return;
}
// TODO: remove "line-through" after deprecation
if (string == "strikethrough" || string == "line-through") {
result = TextDecorationLineType::Strikethrough;
return;
}
// TODO: remove "underline line-through" after "line-through" deprecation
if (string == "underline-strikethrough" ||
string == "underline line-through") {
result = TextDecorationLineType::UnderlineStrikethrough;
return;
}
abort();
}
inline std::string toString(
const TextDecorationLineType &textDecorationLineType) {
switch (textDecorationLineType) {
case TextDecorationLineType::None:
return "none";
case TextDecorationLineType::Underline:
return "underline";
case TextDecorationLineType::Strikethrough:
return "strikethrough";
case TextDecorationLineType::UnderlineStrikethrough:
return "underline-strikethrough";
}
}
inline void fromRawValue(
const RawValue &value,
TextDecorationLineStyle &result) {
auto string = (std::string)value;
if (string == "single") {
result = TextDecorationLineStyle::Single;
return;
}
if (string == "thick") {
result = TextDecorationLineStyle::Thick;
return;
}
if (string == "double") {
result = TextDecorationLineStyle::Double;
return;
}
abort();
}
inline std::string toString(
const TextDecorationLineStyle &textDecorationLineStyle) {
switch (textDecorationLineStyle) {
case TextDecorationLineStyle::Single:
return "single";
case TextDecorationLineStyle::Thick:
return "thick";
case TextDecorationLineStyle::Double:
return "double";
}
}
inline void fromRawValue(
const RawValue &value,
TextDecorationLinePattern &result) {
auto string = (std::string)value;
if (string == "solid") {
result = TextDecorationLinePattern::Solid;
return;
}
if (string == "dot") {
result = TextDecorationLinePattern::Dot;
return;
}
if (string == "dash") {
result = TextDecorationLinePattern::Dash;
return;
}
if (string == "dash-dot") {
result = TextDecorationLinePattern::DashDot;
return;
}
if (string == "dash-dot-dot") {
result = TextDecorationLinePattern::DashDotDot;
return;
}
abort();
}
inline std::string toString(
const TextDecorationLinePattern &textDecorationLinePattern) {
switch (textDecorationLinePattern) {
case TextDecorationLinePattern::Solid:
return "solid";
case TextDecorationLinePattern::Dot:
return "dot";
case TextDecorationLinePattern::Dash:
return "dash";
case TextDecorationLinePattern::DashDot:
return "dash-dot";
case TextDecorationLinePattern::DashDotDot:
return "dash-dot-dot";
}
}
inline std::string toString(const AccessibilityRole &accessibilityRole) {
switch (accessibilityRole) {
case AccessibilityRole::Link:
return "link";
case AccessibilityRole::Button:
return "button";
case AccessibilityRole::Image:
return "image";
}
}
inline void fromRawValue(const RawValue &value, AccessibilityRole &result) {
auto string = (std::string)value;
if (string == "link") {
result = AccessibilityRole::Link;
return;
}
if (string == "button") {
result = AccessibilityRole::Button;
return;
}
if (string == "image") {
result = AccessibilityRole::Image;
return;
}
abort();
}
inline ParagraphAttributes convertRawProp(
RawProps const &rawProps,
ParagraphAttributes const &sourceParagraphAttributes,
ParagraphAttributes const &defaultParagraphAttributes) {
auto paragraphAttributes = ParagraphAttributes{};
paragraphAttributes.maximumNumberOfLines = convertRawProp(
rawProps,
"numberOfLines",
sourceParagraphAttributes.maximumNumberOfLines,
defaultParagraphAttributes.maximumNumberOfLines);
paragraphAttributes.ellipsizeMode = convertRawProp(
rawProps,
"ellipsizeMode",
sourceParagraphAttributes.ellipsizeMode,
defaultParagraphAttributes.ellipsizeMode);
paragraphAttributes.textBreakStrategy = convertRawProp(
rawProps,
"textBreakStrategy",
sourceParagraphAttributes.textBreakStrategy,
defaultParagraphAttributes.textBreakStrategy);
paragraphAttributes.adjustsFontSizeToFit = convertRawProp(
rawProps,
"adjustsFontSizeToFit",
sourceParagraphAttributes.adjustsFontSizeToFit,
defaultParagraphAttributes.adjustsFontSizeToFit);
paragraphAttributes.minimumFontSize = convertRawProp(
rawProps,
"minimumFontSize",
sourceParagraphAttributes.minimumFontSize,
defaultParagraphAttributes.minimumFontSize);
paragraphAttributes.maximumFontSize = convertRawProp(
rawProps,
"maximumFontSize",
sourceParagraphAttributes.maximumFontSize,
defaultParagraphAttributes.maximumFontSize);
paragraphAttributes.includeFontPadding = convertRawProp(
rawProps,
"includeFontPadding",
sourceParagraphAttributes.includeFontPadding,
defaultParagraphAttributes.includeFontPadding);
return paragraphAttributes;
}
inline void fromRawValue(
RawValue const &value,
AttributedString::Range &result) {
auto map = (better::map<std::string, int>)value;
auto start = map.find("start");
if (start != map.end()) {
result.location = start->second;
}
auto end = map.find("end");
if (end != map.end()) {
result.length = start->second - result.location;
}
}
inline std::string toString(AttributedString::Range const &range) {
return "{location: " + folly::to<std::string>(range.location) +
", length: " + folly::to<std::string>(range.length) + "}";
}
#ifdef ANDROID
inline folly::dynamic toDynamic(
const ParagraphAttributes &paragraphAttributes) {
auto values = folly::dynamic::object();
values("maximumNumberOfLines", paragraphAttributes.maximumNumberOfLines);
values("ellipsizeMode", toString(paragraphAttributes.ellipsizeMode));
values("textBreakStrategy", toString(paragraphAttributes.textBreakStrategy));
values("adjustsFontSizeToFit", paragraphAttributes.adjustsFontSizeToFit);
values("includeFontPadding", paragraphAttributes.includeFontPadding);
return values;
}
inline folly::dynamic toDynamic(const FontVariant &fontVariant) {
auto result = folly::dynamic::array();
if ((int)fontVariant & (int)FontVariant::SmallCaps) {
result.push_back("small-caps");
}
if ((int)fontVariant & (int)FontVariant::OldstyleNums) {
result.push_back("oldstyle-nums");
}
if ((int)fontVariant & (int)FontVariant::LiningNums) {
result.push_back("lining-nums");
}
if ((int)fontVariant & (int)FontVariant::TabularNums) {
result.push_back("tabular-nums");
}
if ((int)fontVariant & (int)FontVariant::ProportionalNums) {
result.push_back("proportional-nums");
}
return result;
}
inline folly::dynamic toDynamic(const TextAttributes &textAttributes) {
auto _textAttributes = folly::dynamic::object();
if (textAttributes.foregroundColor) {
_textAttributes(
"foregroundColor", toDynamic(textAttributes.foregroundColor));
}
if (textAttributes.backgroundColor) {
_textAttributes(
"backgroundColor", toDynamic(textAttributes.backgroundColor));
}
if (!std::isnan(textAttributes.opacity)) {
_textAttributes("opacity", textAttributes.opacity);
}
if (!textAttributes.fontFamily.empty()) {
_textAttributes("fontFamily", textAttributes.fontFamily);
}
if (!std::isnan(textAttributes.fontSize)) {
_textAttributes("fontSize", textAttributes.fontSize);
}
if (!std::isnan(textAttributes.fontSizeMultiplier)) {
_textAttributes("fontSizeMultiplier", textAttributes.fontSizeMultiplier);
}
if (textAttributes.fontWeight.has_value()) {
_textAttributes("fontWeight", toString(*textAttributes.fontWeight));
}
if (textAttributes.fontStyle.has_value()) {
_textAttributes("fontStyle", toString(*textAttributes.fontStyle));
}
if (textAttributes.fontVariant.has_value()) {
_textAttributes("fontVariant", toDynamic(*textAttributes.fontVariant));
}
if (textAttributes.allowFontScaling.has_value()) {
_textAttributes("allowFontScaling", *textAttributes.allowFontScaling);
}
if (!std::isnan(textAttributes.letterSpacing)) {
_textAttributes("letterSpacing", textAttributes.letterSpacing);
}
if (!std::isnan(textAttributes.lineHeight)) {
_textAttributes("lineHeight", textAttributes.lineHeight);
}
if (textAttributes.alignment.has_value()) {
_textAttributes("alignment", toString(*textAttributes.alignment));
}
if (textAttributes.baseWritingDirection.has_value()) {
_textAttributes(
"baseWritingDirection", toString(*textAttributes.baseWritingDirection));
}
// Decoration
if (textAttributes.textDecorationColor) {
_textAttributes(
"textDecorationColor", toDynamic(textAttributes.textDecorationColor));
}
if (textAttributes.textDecorationLineType.has_value()) {
_textAttributes(
"textDecorationLine", toString(*textAttributes.textDecorationLineType));
}
if (textAttributes.textDecorationLineStyle.has_value()) {
_textAttributes(
"textDecorationLineStyle",
toString(*textAttributes.textDecorationLineStyle));
}
if (textAttributes.textDecorationLinePattern.has_value()) {
_textAttributes(
"textDecorationLinePattern",
toString(*textAttributes.textDecorationLinePattern));
}
// Shadow
// textShadowOffset = textAttributes.textShadowOffset.has_value() ?
// textAttributes.textShadowOffset.value() : textShadowOffset;
if (!std::isnan(textAttributes.textShadowRadius)) {
_textAttributes("textShadowRadius", textAttributes.textShadowRadius);
}
if (textAttributes.textShadowColor) {
_textAttributes(
"textShadowColor", toDynamic(textAttributes.textShadowColor));
}
// Special
if (textAttributes.isHighlighted.has_value()) {
_textAttributes("isHighlighted", *textAttributes.isHighlighted);
}
if (textAttributes.layoutDirection.has_value()) {
_textAttributes(
"layoutDirection", toString(*textAttributes.layoutDirection));
}
return _textAttributes;
}
inline folly::dynamic toDynamic(const AttributedString &attributedString) {
auto value = folly::dynamic::object();
auto fragments = folly::dynamic::array();
for (auto fragment : attributedString.getFragments()) {
folly::dynamic dynamicFragment = folly::dynamic::object();
dynamicFragment["string"] = fragment.string;
if (fragment.parentShadowView.componentHandle) {
dynamicFragment["reactTag"] = fragment.parentShadowView.tag;
}
if (fragment.isAttachment()) {
dynamicFragment["isAttachment"] = true;
dynamicFragment["width"] =
fragment.parentShadowView.layoutMetrics.frame.size.width;
dynamicFragment["height"] =
fragment.parentShadowView.layoutMetrics.frame.size.height;
}
dynamicFragment["textAttributes"] = toDynamic(fragment.textAttributes);
fragments.push_back(dynamicFragment);
}
value("fragments", fragments);
value(
"hash", std::hash<facebook::react::AttributedString>{}(attributedString));
value("string", attributedString.getString());
return value;
}
inline folly::dynamic toDynamic(AttributedString::Range const &range) {
folly::dynamic dynamicValue = folly::dynamic::object();
dynamicValue["location"] = range.location;
dynamicValue["length"] = range.length;
return dynamicValue;
}
#endif
} // namespace react
} // namespace facebook