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[SR-5889] [XMLNode] nodes(forXPath:) returns inappropriate empty array in some cases on Linux #3806

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YOCKOW opened this issue Sep 15, 2017 · 1 comment
Open

[SR-5889] [XMLNode] nodes(forXPath:) returns inappropriate empty array in some cases on Linux #3806

YOCKOW opened this issue Sep 15, 2017 · 1 comment
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bug Foundation Linux

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@YOCKOW
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YOCKOW commented Sep 15, 2017

Previous ID SR-5889
Radar None
Original Reporter @YOCKOW
Type Bug
Environment

  • OS: Ubuntu 16.04

  • Swift: 3.1.1 / 4.0-dev

Additional Detail from JIRA
Votes 0
Component/s Foundation
Labels Bug, Linux
Assignee None
Priority Medium

md5: 3c26eaabe35a2aae7cc091e4f4284901

Issue Description:

`nodes(forXPath: )` returns empty array when tag name is specified even if there should be some nodes.

[Sample Code]

import Foundation

let s = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n<!DOCTYPE html>\n<html xmlns=\"http://www.w3.org/1999/xhtml\"><head><title>My Title</title></head><body><div>My Body.</div></body></html>"

let xml = try! XMLDocument(xmlString:s, options:[])

let nodes1 = try! xml.nodes(forXPath:"/*/*[2]")
let nodes2 = try! xml.nodes(forXPath:"/*/body")
let nodes3 = try! xml.nodes(forXPath:"//body")

Although `nodes1`, `nodes2`, and `nodes3` should be the same, `nodes2` and `nodes3` are empty on Linux. (Swift 3.1.1, Swift 4.0-dev)

There's no problem on macOS.
@belkadan
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@phausler, who owns the corelibs XML stuff?

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@shahmishal shahmishal transferred this issue from apple/swift May 5, 2022
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@belkadan @YOCKOW