dan/robotparser-rs
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Correct the usage of RefCell.borrow

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This commit is contained in:
messense 2015-06-28 01:39:03 +08:00
parent 7c7f09012e
commit 6153773f24
1 changed files with 10 additions and 10 deletions
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20
src/lib.rs
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@ -72,8 +72,8 @@ impl Entry {
/// check if this entry applies to the specified agent
fn applies_to(&self, useragent: &str) -> bool {
let ua = useragent.split("/").nth(0).unwrap_or("");
let useragents = self.useragents.borrow().clone();
for agent in &useragents {
let useragents = self.useragents.borrow();
for agent in &*useragents {
if agent == "*" {
return true;
}
@ -89,8 +89,8 @@ impl Entry {
/// - our agent applies to this entry
/// - filename is URL decoded
fn allowance(&self, filename: &str) -> bool {
let rulelines = self.rulelines.borrow().clone();
for line in &rulelines {
let rulelines = self.rulelines.borrow();
for line in &*rulelines {
if line.applies_to(filename) {
return line.allowance
}
@ -109,13 +109,13 @@ impl Entry {
}
fn has_useragent(&self, useragent: &str) -> bool {
let useragents = self.useragents.borrow().clone();
let useragents = self.useragents.borrow();
useragents.contains(&useragent.to_owned())
}
fn is_empty(&self) -> bool {
let useragents = self.useragents.borrow().clone();
let rulelines = self.rulelines.borrow().clone();
let useragents = self.useragents.borrow();
let rulelines = self.rulelines.borrow();
useragents.is_empty() && rulelines.is_empty()
}
}
@ -303,14 +303,14 @@ impl RobotFileParser {
ref u if !u.is_empty() => u.to_owned(),
_ => "/".to_owned(),
};
let entries = self.entries.borrow().clone();
for entry in &entries {
let entries = self.entries.borrow();
for entry in &*entries {
if entry.applies_to(useragent) {
return entry.allowance(&url_str);
}
}
// try the default entry last
let default_entry = self.default_entry.borrow().clone();
let default_entry = self.default_entry.borrow();
if !default_entry.is_empty() {
return default_entry.allowance(&url_str);
}