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Pull request overview
此 PR 为 ByteBuffer 类添加了字符串读写方法,并改进了错误处理机制,使读取操作在越界时能够抛出错误而不是崩溃。
Changes:
- 为
ByteBuffer添加了readString(_:)和writeString(_:)方法以支持 UTF-8 字符串操作 - 为所有读取方法(
readData、readUInt8、readUInt16、readUInt32)添加了throws关键字 - 新增了两个错误类型:
noEnoughBytes和failedToDecodeString,并提供了中英文本地化支持 - 更新了现有代码以使用新的字符串读写方法和错误处理机制
- 移除了
Response.text属性,改为使用新的parse(using:)方法
Reviewed changes
Copilot reviewed 8 out of 8 changed files in this pull request and generated 5 comments.
Show a summary per file
| File | Description |
|---|---|
| Sources/SwiftScaffolding/Util/ByteBuffer.swift | 核心变更:添加字符串读写方法,为读取方法添加错误处理,参数类型从 Int 改为 any BinaryInteger |
| Sources/SwiftScaffolding/Errors.swift | 新增 noEnoughBytes 和 failedToDecodeString 两个错误枚举值及其本地化描述 |
| Sources/SwiftScaffolding/zh-Hans.lproj/Localizable.strings | 添加新错误的中文本地化字符串 |
| Sources/SwiftScaffolding/en.lproj/Localizable.strings | 添加新错误的英文本地化字符串 |
| Sources/SwiftScaffolding/Server/ScaffoldingServer.swift | 更新以使用新的错误处理和 readString 方法 |
| Sources/SwiftScaffolding/Server/RequestHandler.swift | 使用 writeString 替代手动编码 |
| Sources/SwiftScaffolding/Scaffolding.swift | 添加 Response.parse 方法,移除 text 属性,更新错误处理 |
| Sources/SwiftScaffolding/Client/ScaffoldingClient.swift | 使用新的 parse 和 readString 方法简化代码 |
Comments suppressed due to low confidence (8)
Sources/SwiftScaffolding/Util/ByteBuffer.swift:38
- 在
readData方法中缺少对负数长度的检查。当传入负数的length时,Int.init(exactly:)可能会成功(对于符合范围的负数),但随后的intLength == 0检查会跳过,导致在第 39 行的边界检查中产生意外行为。建议在第 38 行之后添加对intLength < 0的检查,并在这种情况下抛出ConnectionError.noEnoughBytes错误。
Sources/SwiftScaffolding/Util/ByteBuffer.swift:73 - 文档注释不完整。
readString方法的length参数描述为"字符串长度",但没有说明这是以字节为单位还是以字符为单位。由于实际实现是以字节为单位读取 UTF-8 编码的数据,建议将文档改为"字符串的字节长度(UTF-8 编码)"以避免歧义。此外,应该添加- Returns:文档说明返回值,以及- Throws:文档说明可能抛出的错误。
Sources/SwiftScaffolding/Util/ByteBuffer.swift:115 writeString方法缺少文档注释中的参数说明和功能描述。建议添加- Parameter str:来描述输入参数的含义,并且如果该方法改为可抛出错误的话,还需要添加- Throws:说明。
Sources/SwiftScaffolding/Util/ByteBuffer.swift:36- 错误枚举名称存在拼写错误。
noEnoughBytes应该改为notEnoughBytes,因为正确的英语表达是 "not enough" 而不是 "no enough"。这个命名问题也需要在对应的本地化字符串键中同步修改。
Sources/SwiftScaffolding/Util/ByteBuffer.swift:40 - 错误枚举名称存在拼写错误。
noEnoughBytes应该改为notEnoughBytes,因为正确的英语表达是 "not enough" 而不是 "no enough"。这个命名问题也需要在对应的本地化字符串键中同步修改。
Sources/SwiftScaffolding/Util/ByteBuffer.swift:116 - 在
writeString方法中使用了强制解包 (!)。虽然将 Swift 字符串转换为 UTF-8 数据在正常情况下不会失败,但为了与 API 的其他部分保持一致(例如readString会抛出错误),建议使该方法也能够抛出错误。建议将签名改为public func writeString(_ str: String) throws,并在转换失败时抛出适当的错误。
Sources/SwiftScaffolding/Util/ByteBuffer.swift:74 - 在
readString方法中,当没有提供length参数时,默认值使用data.count,这可能会导致意外行为。由于 ByteBuffer 维护了一个内部的index,如果之前已经读取了部分数据,data.count仍然表示整个缓冲区的长度,而不是剩余未读取的数据长度。建议将默认值改为data.count - index,以读取从当前位置到缓冲区末尾的所有剩余数据。
Sources/SwiftScaffolding/Util/ByteBuffer.swift:68 - 由于
readData、readUInt8、readUInt16和readUInt32方法现在都抛出错误,应该在它们的文档注释中添加- Throws:说明来描述可能抛出的错误类型和条件。这对于 API 的使用者理解错误处理至关重要。
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本 PR 为
ByteBuffer添加了readString(_:)和writeString(_:)方法,并为其它读取函数添加了throws关键字以便在越界时抛出错误。closes #23