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#[cfg(test)]
#[path = "./crateinfo_test.rs"]
mod crateinfo_test;
use glob::glob;
use std::fs::File;
use std::io::Read;
use std::path::Path;
use toml;
use types::{CrateDependency, CrateInfo};
fn expand_glob_members(glob_member: &str) -> Vec<String> {
match glob(glob_member) {
Ok(entries) => {
let mut members = vec![];
for entry in entries {
match entry {
Ok(path) => {
let mut updated_path = path.to_str().unwrap().to_string();
updated_path = updated_path.replace("\\", "/");
members.push(updated_path);
}
_ => (),
};
}
members
}
_ => vec![],
}
}
fn normalize_members(crate_info: &mut CrateInfo) {
match crate_info.workspace {
Some(ref mut workspace) => {
match workspace.members {
Some(ref mut members) => {
let existing_members = members.clone();
let mut index = 0;
for member in existing_members.iter() {
if member.contains("*") {
let mut expanded_members = expand_glob_members(&member);
members.remove(index);
members.append(&mut expanded_members);
} else {
index = index + 1;
}
}
}
None => (),
};
}
None => (),
}
}
fn get_members_from_dependencies(crate_info: &CrateInfo) -> Vec<String> {
let mut members = vec![];
match crate_info.dependencies {
Some(ref dependencies) => for value in dependencies.values() {
match *value {
CrateDependency::Info(ref info) => match info.path {
Some(ref path) => {
if path.starts_with("./") {
let member_path = path.chars().skip(2).take(path.len() - 2).collect();
members.push(member_path);
}
}
None => (),
},
_ => (),
};
},
None => (),
};
members
}
fn add_members(crate_info: &mut CrateInfo, new_members: Vec<String>) {
if new_members.len() > 0 {
match crate_info.workspace {
Some(ref mut workspace) => match workspace.members {
Some(ref mut members) => for new_member in new_members.iter() {
let member_string = new_member.to_string();
match members.iter().position(|member| *member == member_string) {
None => members.push(member_string),
_ => (),
}
},
None => workspace.members = Some(new_members),
},
None => (),
}
}
}
fn remove_excludes(crate_info: &mut CrateInfo) -> bool {
let mut removed = false;
match crate_info.workspace {
Some(ref mut workspace) => match workspace.exclude {
Some(ref excludes) => match workspace.members {
Some(ref mut members) => for exclude in excludes.iter() {
let exclude_string = exclude.to_string();
let result = members.iter().position(|member| *member == exclude_string);
match result {
Some(index) => {
members.remove(index);
removed = true;
()
}
None => (),
};
},
None => (),
},
None => (),
},
None => (),
};
removed
}
fn load_workspace_members(crate_info: &mut CrateInfo) {
if crate_info.workspace.is_some() {
normalize_members(crate_info);
let dependencies = get_members_from_dependencies(&crate_info);
add_members(crate_info, dependencies);
remove_excludes(crate_info);
}
}
pub(crate) fn load() -> CrateInfo {
let file_path = Path::new("Cargo.toml");
if file_path.exists() {
debug!("Opening file: {:#?}", &file_path);
let mut file = match File::open(&file_path) {
Ok(value) => value,
Err(error) => panic!("Unable to open Cargo.toml, error: {}", error),
};
let mut crate_info_string = String::new();
file.read_to_string(&mut crate_info_string).unwrap();
let mut crate_info: CrateInfo = match toml::from_str(&crate_info_string) {
Ok(value) => value,
Err(error) => panic!("Unable to parse Cargo.toml, {}", error),
};
load_workspace_members(&mut crate_info);
debug!("Loaded Cargo.toml: {:#?}", &crate_info);
crate_info
} else {
CrateInfo::new()
}
}