2016-09-21 23:02:20 +02:00
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extern crate glob;
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use std::path::{Path,PathBuf};
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use self::glob::{Pattern,PatternError};
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pub struct Filter {
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cwd: PathBuf,
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filters: Vec<Pattern>,
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ignores: Vec<Pattern>
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}
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impl Filter {
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pub fn new(current_dir: &Path) -> Filter {
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Filter {
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cwd: current_dir.to_path_buf(),
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filters: vec![],
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ignores: vec![]
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}
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}
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2016-09-23 19:59:57 +02:00
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pub fn add_extension(&mut self, extension: &str) -> Result<(), PatternError> {
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let mut pattern = String::new();
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for ext in extension.split(",") {
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pattern.clear();
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pattern.push_str("*");
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if !ext.starts_with(".") {
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pattern.push_str(".");
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}
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pattern.push_str(ext);
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try!(self.add_filter(&pattern));
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}
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Ok(())
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}
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2016-09-21 23:02:20 +02:00
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pub fn add_filter(&mut self, pattern: &str) -> Result<Pattern, PatternError> {
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let compiled = try!(self.pattern_for(pattern));
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self.filters.push(compiled.clone());
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Ok(compiled)
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}
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pub fn add_ignore(&mut self, pattern: &str) -> Result<Pattern, PatternError> {
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let compiled = try!(self.pattern_for(pattern));
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self.ignores.push(compiled.clone());
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Ok(compiled)
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}
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fn pattern_for(&self, p: &str) -> Result<Pattern, PatternError> {
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let mut path = PathBuf::from(p);
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if path.is_relative() {
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path = self.cwd.join(path.as_path());
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}
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if let Ok(metadata) = path.metadata() {
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if metadata.is_dir() {
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path = path.join("*");
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}
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}
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Pattern::new(path.to_str().unwrap())
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}
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pub fn is_excluded(&self, path: &Path) -> bool {
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let path_as_str = path.to_str().unwrap();
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for pattern in &self.ignores {
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if pattern.matches(path_as_str) {
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return true;
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}
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}
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for pattern in &self.filters {
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if pattern.matches(path_as_str) {
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return false;
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}
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}
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self.filters.len() > 0
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}
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}
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