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sync: from linuxdeepin/dtkdeclarative #224

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Synchronize source files from linuxdeepin/dtkdeclarative.

Source-pull-request: linuxdeepin/dtkdeclarative#454

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: deepin-ci-robot

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deepin pr auto review

代码审查意见:

  1. 线程安全性

    • initialize函数中,m_config被设置为config,但没有检查m_config是否已经被设置。如果m_config已经被设置,可能会导致资源泄露或竞态条件。
    • updateValue函数中,m_config.loadRelaxed()被多次调用,建议将其结果存储在一个局部变量中,以减少对原子指针的访问次数。
  2. 资源管理

    • dconf-example_meta的析构函数中,m_config.loadRelaxed()被调用,但没有检查m_config是否已经被设置。如果m_config没有被设置,会导致空指针解引用。
    • initialize函数中,config被移动到当前线程,但没有检查config是否已经被移动。如果config已经被移动,会导致资源泄露。
  3. 代码重复

    • 构造函数中存在大量重复代码,建议提取公共逻辑到一个单独的函数中,以减少代码重复和提高可维护性。
  4. 错误处理

    • initialize函数中,如果DConfig::create失败,应该抛出异常或返回错误码,而不是简单地返回。
    • updateValue函数中,如果key不是"key2""key3",应该抛出异常或返回错误码,而不是简单地返回。
  5. 性能优化

    • markPropertySettestPropertySet函数中,使用了fetchAndOrOrderedloadRelaxed,这些操作可能不是线程安全的。建议使用线程安全的原子操作,如fetchAndStoreOrderedloadAcquire
  6. 代码注释

    • initialize函数中,Q_ASSERT(!m_config.loadRelaxed())的注释应该更详细地说明为什么需要这个断言。
  7. 命名规范

    • 变量名m_propertySetStatus0m_config应该使用驼峰命名法,而不是下划线命名法。
  8. 代码风格

    • initialize函数中,config->setValuem_config.loadRelaxed()->setValue的调用应该使用QMetaObject::invokeMethod的异步版本,以避免阻塞当前线程。

综上所述,建议对代码进行重构,以提高代码的可读性、可维护性和性能。同时,应该对错误处理和资源管理进行改进,以避免潜在的bug和资源泄露。

Synchronize source files from linuxdeepin/dtkdeclarative.

Source-pull-request: linuxdeepin/dtkdeclarative#454
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deepin-bot bot commented Jan 14, 2025

TAG Bot

New tag: 6.0.28
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #226

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deepin-bot bot commented Jan 23, 2025

TAG Bot

New tag: 6.0.29
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #227

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