This commit is contained in:
elkowar 2020-11-21 22:17:21 +01:00
parent 90944eb0ef
commit 3458a25104
2 changed files with 74 additions and 53 deletions

12
.vimspector.json Normal file
View file

@ -0,0 +1,12 @@
{
"configurations": {
"launch": {
"adapter": "CodeLLDB",
"configuration": {
"request": "launch",
"program": "${workspaceRoot}/target/debug/eww",
"args": ["open", "main_window"]
}
}
}
}

View file

@ -25,8 +25,7 @@ pub struct EwwConfig {
}
impl EwwConfig {
pub fn merge_includes(eww_config: EwwConfig, includes: Vec<EwwConfig>) -> Result<EwwConfig> {
let mut eww_config = eww_config.clone();
pub fn merge_includes(mut eww_config: EwwConfig, includes: Vec<EwwConfig>) -> Result<EwwConfig> {
for config in includes {
eww_config.widgets.extend(config.widgets);
eww_config.windows.extend(config.windows);
@ -37,18 +36,21 @@ impl EwwConfig {
}
pub fn read_from_file<P: AsRef<std::path::Path>>(path: P) -> Result<Self> {
let result: Result<_> = try {
let content = util::replace_env_var_references(std::fs::read_to_string(path.as_ref())?);
let document = roxmltree::Document::parse(&content)
.with_context(|| format!("error parsing xml config at: {}", path.as_ref().display()))?;
let result = EwwConfig::from_xml_element(XmlNode::from(document.root_element()).as_element()?.clone(), path.as_ref());
result
let document = roxmltree::Document::parse(&content)?;
let root_node = XmlNode::from(document.root_element());
let root_element = root_node.as_element()?;
EwwConfig::from_xml_element(root_element.clone(), path.as_ref())?
};
result.with_context(|| format!("Failed to parse xml config in {}", path.as_ref().display()))
}
pub fn from_xml_element<P: AsRef<std::path::Path>>(xml: XmlElement, path: P) -> Result<Self> {
let path = path.as_ref();
let includes = match xml.child("includes") {
Ok(tag) => tag
let includes = match xml.child("includes").ok() {
Some(tag) => tag
.child_elements()
.map(|child| {
let childpath = child.attr("path")?;
@ -57,53 +59,37 @@ impl EwwConfig {
})
.collect::<Result<Vec<_>>>()
.context(format!("error handling include definitions at: {}", path.display()))?,
Err(_) => Vec::new(),
None => Default::default(),
};
let definitions = xml
.child("definitions")?
let definitions = match xml.child("definitions").ok() {
Some(tag) => tag
.child_elements()
.map(|child| {
let def = WidgetDefinition::from_xml_element(child)?;
Ok((def.name.clone(), def))
})
.collect::<Result<HashMap<_, _>>>()
.with_context(|| format!("error parsing widget definitions at: {}", path.display()))?;
.with_context(|| format!("error parsing widget definitions at: {}", path.display()))?,
None => Default::default(),
};
let windows = xml
.child("windows")?
let windows = match xml.child("windows").ok() {
Some(tag) => tag
.child_elements()
.map(|child| {
let def = EwwWindowDefinition::from_xml_element(child)?;
Ok((def.name.to_owned(), def))
})
.collect::<Result<HashMap<_, _>>>()
.with_context(|| format!("error parsing window definitions at: {}", path.display()))?;
.with_context(|| format!("error parsing window definitions at: {}", path.display()))?,
None => Default::default(),
};
let variables_block = xml.child("variables").ok();
let mut initial_variables = HashMap::new();
let mut script_vars = Vec::new();
if let Some(variables_block) = variables_block {
for node in variables_block.child_elements() {
match node.tag_name() {
"var" => {
initial_variables.insert(
VarName(node.attr("name")?.to_owned()),
PrimitiveValue::from_string(
node.only_child()
.map(|c| c.as_text_or_sourcecode())
.unwrap_or_else(|_| String::new()),
),
);
}
"script-var" => {
script_vars.push(ScriptVar::from_xml_element(node)?);
}
_ => bail!("Illegal element in variables block: {}", node.as_tag_string()),
}
}
}
let (initial_variables, script_vars) = match xml.child("variables").ok() {
Some(tag) => parse_variables_block(tag)?,
None => Default::default(),
};
let current_config = EwwConfig {
widgets: definitions,
@ -153,6 +139,28 @@ impl EwwConfig {
}
}
fn parse_variables_block(xml: XmlElement) -> Result<(HashMap<VarName, PrimitiveValue>, Vec<ScriptVar>)> {
let mut normal_vars = HashMap::new();
let mut script_vars = Vec::new();
for node in xml.child_elements() {
match node.tag_name() {
"var" => {
let var_name = VarName(node.attr("name")?.to_owned());
let value = node
.only_child()
.map(|c| c.as_text_or_sourcecode())
.unwrap_or_else(|_| String::new());
normal_vars.insert(var_name, PrimitiveValue::from_string(value));
}
"script-var" => {
script_vars.push(ScriptVar::from_xml_element(node)?);
}
_ => bail!("Illegal element in variables block: {}", node.as_tag_string()),
}
}
Ok((normal_vars, script_vars))
}
#[cfg(test)]
mod test {
use crate::config::{EwwConfig, XmlNode};
@ -217,6 +225,7 @@ mod test {
windows: HashMap::new(),
initial_variables: HashMap::new(),
script_vars: Vec::new(),
filepath: "test_path".into(),
};
let merged_config = EwwConfig::merge_includes(base_config, vec![config1.unwrap(), config2.unwrap()]).unwrap();