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[package] | ||
name = "xml-rs" | ||
version = "0.8.18" | ||
version = "0.8.19" | ||
authors = ["Vladimir Matveev <[email protected]>"] | ||
license = "MIT" | ||
description = "An XML library in pure Rust" | ||
|
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//! See <https://lib.rs/crates/svg-hush> for a real-world example. | ||
use xml::EmitterConfig; | ||
use std::fs::File; | ||
use std::io::BufReader; | ||
use std::path::Path; | ||
use xml::reader::{ParserConfig, Result}; | ||
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fn main() -> Result<(), Box<dyn std::error::Error>> { | ||
let arg = std::env::args_os().nth(1); | ||
let file_path = Path::new(arg.as_deref().unwrap_or("tests/documents/sample_1.xml".as_ref())); | ||
let file = BufReader::new(File::open(file_path) | ||
.map_err(|e| format!("Can't open {}: {e}", file_path.display()))?); | ||
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let mut reader = ParserConfig::default() | ||
.ignore_root_level_whitespace(true) | ||
.ignore_comments(false) | ||
.cdata_to_characters(true) | ||
.coalesce_characters(true) | ||
.create_reader(file); | ||
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let stdout = std::io::stdout().lock(); | ||
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let mut writer = EmitterConfig::default() | ||
.create_writer(stdout); | ||
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loop { | ||
let reader_event = reader.next()?; | ||
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match reader_event { | ||
xml::reader::XmlEvent::EndDocument => break, | ||
xml::reader::XmlEvent::StartElement { name, mut attributes, namespace } => { | ||
let event = xml::writer::XmlEvent::StartElement { | ||
name: name.borrow(), | ||
namespace: namespace.borrow(), | ||
attributes: attributes.iter_mut().map(|attr| { | ||
attr.value = alternating_caps(&attr.value); | ||
attr.borrow() | ||
}).collect(), | ||
}; | ||
writer.write(event)?; | ||
}, | ||
xml::reader::XmlEvent::Characters(text) => { | ||
let text = alternating_caps(&text); | ||
let event = xml::writer::XmlEvent::Characters(&text); | ||
writer.write(event)?; | ||
}, | ||
xml::reader::XmlEvent::Comment(text) => { | ||
let text = alternating_caps(&text); | ||
let event = xml::writer::XmlEvent::Comment(&text); | ||
writer.write(event)?; | ||
}, | ||
other => { | ||
if let Some(writer_event) = other.as_writer_event() { | ||
writer.write(writer_event)?; | ||
} | ||
} | ||
} | ||
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} | ||
Ok(()) | ||
} | ||
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fn alternating_caps(text: &str) -> String { | ||
text.chars().enumerate() | ||
.map(|(i, ch)| if i&1==0 { ch.to_ascii_uppercase() } else { ch.to_ascii_lowercase() }) | ||
.collect() | ||
} |
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