Files
mould-rs/src/format/properties.rs
2026-03-19 10:02:22 +01:00

134 lines
4.7 KiB
Rust

use super::{ConfigItem, FormatHandler, ItemStatus, ValueType, PathSegment};
use java_properties::{LineContent, PropertiesIter, PropertiesWriter};
use std::fs::File;
use std::io::{BufReader, BufWriter};
use std::path::Path;
pub struct PropertiesHandler;
impl FormatHandler for PropertiesHandler {
fn parse(&self, path: &Path) -> anyhow::Result<Vec<ConfigItem>> {
let file = File::open(path)?;
let reader = BufReader::new(file);
let iter = PropertiesIter::new(reader);
let mut vars = Vec::new();
let mut groups = std::collections::HashSet::new();
for line_result in iter {
let line = line_result?;
if let LineContent::KVPair(path, value) = line.consume_content() {
// Add groups based on dot notation
let parts: Vec<&str> = path.split('.').collect();
let mut current_path = Vec::new();
for (i, part) in parts.iter().enumerate().take(parts.len().saturating_sub(1)) {
current_path.push(PathSegment::Key(part.to_string()));
if groups.insert(current_path.clone()) {
vars.push(ConfigItem {
key: part.to_string(),
path: current_path.clone(),
value: None,
template_value: None,
default_value: None,
depth: i,
is_group: true,
status: ItemStatus::Present,
value_type: ValueType::Null,
});
}
}
let mut final_path = current_path.clone();
let last_key = parts.last().unwrap_or(&"").to_string();
final_path.push(PathSegment::Key(last_key.clone()));
vars.push(ConfigItem {
key: last_key,
path: final_path,
value: Some(value.clone()),
template_value: Some(value.clone()),
default_value: Some(value.clone()),
depth: parts.len().saturating_sub(1),
is_group: false,
status: ItemStatus::Present,
value_type: ValueType::String,
});
}
}
Ok(vars)
}
fn write(&self, path: &Path, vars: &[ConfigItem]) -> anyhow::Result<()> {
let file = File::create(path)?;
let writer = BufWriter::new(file);
let mut prop_writer = PropertiesWriter::new(writer);
for var in vars {
if !var.is_group {
let val = var.value.as_deref()
.or(var.template_value.as_deref())
.unwrap_or("");
prop_writer.write(&var.path_string(), val)?;
}
}
prop_writer.finish()?;
Ok(())
}
}
#[cfg(test)]
mod tests {
use super::*;
use tempfile::NamedTempFile;
use std::io::Write;
#[test]
fn test_group_rename_write() {
let handler = PropertiesHandler;
let mut vars = vec![
ConfigItem {
key: "server".to_string(),
path: vec![PathSegment::Key("server".to_string())],
value: None,
template_value: None,
default_value: None,
depth: 0,
is_group: true,
status: ItemStatus::Present,
value_type: ValueType::Null,
},
ConfigItem {
key: "port".to_string(),
path: vec![PathSegment::Key("server".to_string()), PathSegment::Key("port".to_string())],
value: Some("8080".to_string()),
template_value: Some("8080".to_string()),
default_value: Some("8080".to_string()),
depth: 1,
is_group: false,
status: ItemStatus::Present,
value_type: ValueType::String,
}
];
// Rename "server" to "srv"
vars[0].key = "srv".to_string();
vars[0].path = vec![PathSegment::Key("srv".to_string())];
// Update child path
vars[1].path = vec![PathSegment::Key("srv".to_string()), PathSegment::Key("port".to_string())];
let file = NamedTempFile::new().unwrap();
handler.write(file.path(), &vars).unwrap();
let content = std::fs::read_to_string(file.path()).unwrap();
assert!(content.contains("srv.port=8080"));
assert!(!content.contains("server.port=8080"));
}
}