| 1 | // Copyright (C) 2022 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 |
| 3 | |
| 4 | #include "qqmljsmetatypes_p.h" |
| 5 | #include "qqmljstyperesolver_p.h" |
| 6 | |
| 7 | #include "QtQml/private/qqmltranslation_p.h" |
| 8 | |
| 9 | QT_BEGIN_NAMESPACE |
| 10 | |
| 11 | /*! |
| 12 | \internal |
| 13 | A binding is valid when it has both a target (m_propertyName is set) |
| 14 | and some content set (m_bindingType != Invalid). |
| 15 | */ |
| 16 | bool QQmlJSMetaPropertyBinding::isValid() const |
| 17 | { |
| 18 | return !m_propertyName.isEmpty() && bindingType() != QQmlSA::BindingType::Invalid; |
| 19 | } |
| 20 | |
| 21 | QString QQmlJSMetaPropertyBinding::literalTypeName() const |
| 22 | { |
| 23 | if (std::holds_alternative<Content::BoolLiteral>(v: m_bindingContent)) |
| 24 | return QLatin1String("bool"); |
| 25 | else if (std::holds_alternative<Content::NumberLiteral>(v: m_bindingContent)) |
| 26 | return QLatin1String("double"); |
| 27 | else if (std::holds_alternative<Content::StringLiteral>(v: m_bindingContent)) |
| 28 | return QLatin1String("string"); |
| 29 | else if (std::holds_alternative<Content::RegexpLiteral>(v: m_bindingContent)) |
| 30 | return QLatin1String("regexp"); |
| 31 | else if (std::holds_alternative<Content::Null>(v: m_bindingContent)) |
| 32 | return QLatin1String("$internal$.std::nullptr_t"); |
| 33 | return {}; |
| 34 | } |
| 35 | |
| 36 | bool QQmlJSMetaPropertyBinding::boolValue() const |
| 37 | { |
| 38 | if (auto boolLit = std::get_if<Content::BoolLiteral>(ptr: &m_bindingContent)) |
| 39 | return boolLit->value; |
| 40 | // warn |
| 41 | return false; |
| 42 | } |
| 43 | |
| 44 | double QQmlJSMetaPropertyBinding::numberValue() const |
| 45 | { |
| 46 | if (auto numberLit = std::get_if<Content::NumberLiteral>(ptr: &m_bindingContent)) |
| 47 | return numberLit->value; |
| 48 | // warn |
| 49 | return 0; |
| 50 | } |
| 51 | |
| 52 | QString QQmlJSMetaPropertyBinding::stringValue() const |
| 53 | { |
| 54 | if (auto stringLiteral = std::get_if<Content::StringLiteral>(ptr: &m_bindingContent)) |
| 55 | return stringLiteral->value; |
| 56 | // warn |
| 57 | return {}; |
| 58 | } |
| 59 | |
| 60 | QString QQmlJSMetaPropertyBinding::regExpValue() const |
| 61 | { |
| 62 | if (auto regexpLiteral = std::get_if<Content::RegexpLiteral>(ptr: &m_bindingContent)) |
| 63 | return regexpLiteral->value; |
| 64 | // warn |
| 65 | return {}; |
| 66 | } |
| 67 | |
| 68 | /*! |
| 69 | * Extracts the information about translations from a binding. |
| 70 | * An additional context string is needed for text based translation (e.g. with qsTr()) |
| 71 | * and can be obtained from the name of the qml file. |
| 72 | * |
| 73 | * \sa QQmlTranslation |
| 74 | */ |
| 75 | QQmlTranslation QQmlJSMetaPropertyBinding::translationDataValue(QString qmlFileNameForContext) const |
| 76 | { |
| 77 | QQmlTranslation::Data data; |
| 78 | if (auto translation = std::get_if<Content::TranslationById>(ptr: &m_bindingContent)) { |
| 79 | data = QQmlTranslation::QsTrIdData(translation->id, translation->number); |
| 80 | } else if (auto translation = std::get_if<Content::TranslationString>(ptr: &m_bindingContent)) { |
| 81 | const QString context = translation->context.isEmpty() |
| 82 | ? QQmlTranslation::contextFromQmlFilename(qmlFilename: qmlFileNameForContext) |
| 83 | : translation->context; |
| 84 | data = QQmlTranslation::QsTrData(context, translation->text, translation->comment, |
| 85 | translation->number); |
| 86 | } |
| 87 | return QQmlTranslation(data); |
| 88 | } |
| 89 | |
| 90 | /*! |
| 91 | \internal |
| 92 | Uses \a resolver to return the correct type for the stored literal |
| 93 | and a null scope pointer if the binding does not contain a literal |
| 94 | */ |
| 95 | QSharedPointer<const QQmlJSScope> QQmlJSMetaPropertyBinding::literalType(const QQmlJSTypeResolver *resolver) const |
| 96 | { |
| 97 | Q_ASSERT(resolver); |
| 98 | switch (bindingType()) { |
| 99 | case BindingType::BoolLiteral: |
| 100 | return resolver->boolType(); |
| 101 | case BindingType::NumberLiteral: |
| 102 | return resolver->typeForName(name: QLatin1String("double")); |
| 103 | case BindingType::Translation: // translations are strings |
| 104 | case BindingType::TranslationById: |
| 105 | case BindingType::StringLiteral: |
| 106 | return resolver->stringType(); |
| 107 | case BindingType::RegExpLiteral: |
| 108 | return resolver->typeForName(name: QLatin1String("regexp")); |
| 109 | case BindingType::Null: |
| 110 | return resolver->nullType(); |
| 111 | case BindingType::Invalid: |
| 112 | case BindingType::Script: |
| 113 | case BindingType::Object: |
| 114 | case BindingType::Interceptor: |
| 115 | case BindingType::ValueSource: |
| 116 | case BindingType::AttachedProperty: |
| 117 | case BindingType::GroupProperty: |
| 118 | return {}; |
| 119 | } |
| 120 | Q_UNREACHABLE_RETURN({}); |
| 121 | } |
| 122 | |
| 123 | QQmlJSMetaPropertyBinding::QQmlJSMetaPropertyBinding() = default; |
| 124 | |
| 125 | QT_END_NAMESPACE |
| 126 |