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|
use crate::cli::Cli;
use anyhow::{anyhow, Context, Result};
use codemap::CodeMap;
use codemap_diagnostic::Diagnostic;
use serde_derive::{Deserialize, Serialize};
use structopt::StructOpt;
use thiserror::Error;
use std::path::{Path, PathBuf};
use std::sync::Arc;
pub(super) const DEFAULT_PROJECT_CONFIGURATION_FILE_NAME: &str = "poseidoc.toml";
#[derive(Debug, Clone, StructOpt, Deserialize, Serialize)]
#[structopt(rename_all = "kebab-case")]
#[serde(rename_all = "kebab-case", default)]
pub(crate) struct Config {
#[structopt(skip)]
pub(crate) name: Option<String>,
#[structopt(long)]
pub(crate) compile_commands_location: Option<PathBuf>,
#[structopt(skip = vec![])]
pub(crate) extra_clang_args: Vec<String>,
#[structopt(flatten)]
pub(crate) class: ClassConfig,
}
impl Config {
pub(crate) fn merge_cli(self, cli: Cli) -> Self {
Config {
name: cli.common_options.name.or(self.name),
compile_commands_location: cli
.common_options
.compile_commands_location
.or(self.compile_commands_location),
extra_clang_args: cli
.extra_arg
.into_iter()
.flatten()
.chain(self.extra_clang_args)
.collect(),
class: self.class.merge_cli(cli.common_options.class),
}
}
}
impl Default for Config {
fn default() -> Self {
Config {
name: Some(String::from("My Project")),
compile_commands_location: Some(PathBuf::from(r".")),
extra_clang_args: Vec::new(),
class: ClassConfig::default(),
}
}
}
#[derive(Debug, Clone, StructOpt, Deserialize, Serialize)]
#[structopt(rename_all = "kebab-case")]
#[serde(rename_all = "kebab-case", default)]
pub(crate) struct ClassConfig {
}
impl ClassConfig {
fn merge_cli(self, _cli: ClassConfig) -> Self {
ClassConfig {
}
}
}
impl Default for ClassConfig {
fn default() -> Self {
ClassConfig {
}
}
}
pub(super) fn load_config(location: impl AsRef<Path>, codemap: &mut CodeMap) -> Result<Config> {
let location = location.as_ref();
let final_path = if location.is_dir() {
location.join(DEFAULT_PROJECT_CONFIGURATION_FILE_NAME)
} else if !location.exists() {
return Err(anyhow!("File {:?} does not exists", location))
.with_context(|| format!("Failed to open project configuration: {:?}", location));
} else {
location.to_owned()
};
let config_str =
std::fs::read_to_string(&final_path).map_err(|err| ConfigLoadError::IoError {
file_name: final_path.clone(),
source: err,
})?;
Ok(
toml::from_str(&config_str).map_err(|err| ConfigLoadError::TomlDeserialzation {
file: codemap.add_file(final_path.to_string_lossy().into(), config_str),
source: err,
})?,
)
}
#[derive(Debug, Error)]
#[error("Error loading project configuration")]
pub(crate) enum ConfigLoadError {
#[error("Failed to read project configuration: {:?}", file_name)]
IoError {
file_name: PathBuf,
source: std::io::Error,
},
#[error("Failed to parse project configuration: {:?}", file.name())]
TomlDeserialzation {
file: Arc<codemap::File>,
source: toml::de::Error,
},
}
impl From<&ConfigLoadError> for Diagnostic {
fn from(err: &ConfigLoadError) -> Diagnostic {
use codemap_diagnostic::{Level, SpanLabel, SpanStyle};
use std::convert::TryInto;
let message = err.to_string();
let spans = match err {
ConfigLoadError::IoError { .. } => vec![],
ConfigLoadError::TomlDeserialzation { file, source, .. } => {
if let Some((line, col)) = source.line_col() {
let line_span = file.line_span(line);
let col = col.try_into().unwrap();
let span = line_span.subspan(col, col);
vec![SpanLabel {
span,
label: None,
style: SpanStyle::Primary,
}]
} else {
vec![]
}
}
};
Diagnostic {
level: Level::Error,
message,
code: None,
spans,
}
}
}
|
