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use utils;
use errors::Errors;
use std::cmp::Ordering;
use std::path::Path;
#[derive(Debug)]
struct Elem<'a> {
name: &'a str,
lower: String,
pos: usize,
}
impl<'a> Elem<'a> {
fn new(name: &str, pos: usize) -> Elem {
Elem {
name,
lower: name.to_lowercase(),
pos,
}
}
}
impl<'a> Eq for Elem<'a> {}
impl<'a> PartialEq for Elem<'a> {
fn eq(&self, other: &Elem) -> bool {
self.lower == other.lower
}
}
impl<'a> PartialOrd for Elem<'a> {
fn partial_cmp(&self, other: &Elem) -> Option<Ordering> {
Some(self.cmp(other))
}
}
impl<'a> Ord for Elem<'a> {
fn cmp(&self, other: &Elem) -> Ordering {
if self.lower.ends_with("*") {
Ordering::Less
} else {
self.lower.cmp(&other.lower)
}
}
}
pub fn check_gir_content(content: &str) -> Errors {
let lines = content.lines().collect::<Vec<_>>();
let mut elems: Vec<Elem> = Vec::with_capacity(10);
let mut objects = Vec::with_capacity(10);
let mut in_list = None;
let mut in_object = false;
let mut errors = 0;
let mut messages = Vec::with_capacity(10);
for pos in 0..lines.len() {
if lines[pos].ends_with("[") {
in_list = Some(pos);
continue
} else if in_list.is_some() && lines[pos].trim() == "]" {
if !elems.is_empty() {
let mut local_errors = 0;
for it in 0..elems.len() - 1 {
if elems[it] > elems[it + 1] {
messages.push(format!("ERROR: \"{}\" should be after \"{}\"",
elems[it].name,
elems[it + 1].name));
local_errors += 1;
}
}
if local_errors > 0 {
elems.sort();
messages.push(format!("\n== Expected output ==\n{}\n{}]",
lines[in_list.unwrap()],
elems.iter()
.map(|l| format!("{}\n", lines[l.pos]))
.collect::<String>()));
errors += local_errors;
}
}
elems.clear();
in_list = None;
} else if in_list.is_some() {
let trimmed = lines[pos].trim();
let mut len = trimmed.len();
if trimmed.ends_with("\",") {
len -= 2;
} else if trimmed.ends_with(",") {
len -= 1;
} else if trimmed.ends_with("\"") {
len -= 1;
}
let start = if trimmed.starts_with("\"") { 1 } else { 0 };
elems.push(Elem::new(&trimmed[start..len], pos));
} else if lines[pos] == "[[object]]" {
in_object = true;
} else if in_object == true && lines[pos].starts_with("name = \"") {
let trimmed = lines[pos].trim();
let len = trimmed.len() - 1;
objects.push(Elem::new(&lines[pos].trim()[8..len], pos));
} else if lines[pos].trim().is_empty() {
in_object = false;
}
}
if !objects.is_empty() {
let mut local_errors = 0;
for it in 0..objects.len() - 1 {
if objects[it] > objects[it + 1] {
messages.push(format!("ERROR: \"{}\" should be after \"{}\"",
objects[it].name,
objects[it + 1].name));
local_errors += 1;
}
}
if local_errors > 0 {
objects.sort();
messages.push(format!("\n== Expected order ==\n{}",
objects.iter()
.map(|l| format!("{}\n", l.name))
.collect::<String>()));
errors += local_errors;
}
}
Errors {
nb_errors: errors,
messages,
}
}
pub fn check_gir_file<P: AsRef<Path>>(p: P) -> Errors {
let content = utils::read_file(p);
check_gir_content(&content)
}