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-rw-r--r--src/icaltool.rs171
-rw-r--r--src/main.rs146
2 files changed, 176 insertions, 141 deletions
diff --git a/src/icaltool.rs b/src/icaltool.rs
new file mode 100644
index 0000000..6776c0b
--- /dev/null
+++ b/src/icaltool.rs
@@ -0,0 +1,171 @@
+// icaltool - a tool to get information out of ical/ics files.
+// Copyright (C) 2018 Harald Eilertsen <haraldei@anduin.net>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+use chrono::{DateTime, TimeZone, Utc};
+use ical::{
+ IcalParser,
+ parser::ical::component::{
+ IcalCalendar,
+ IcalEvent,
+ },
+};
+use regex::RegexBuilder;
+use std::error::Error;
+use std::fs::File;
+use std::io::BufReader;
+use std::path::PathBuf;
+
+pub struct Icaltool {
+ filename: PathBuf,
+ pattern: String,
+}
+
+impl Icaltool {
+ pub fn run() -> Result<(), Box<dyn Error>> {
+ let icaltool = Self::parse_args()?;
+
+ let calendars = icaltool.read_icalendar_from_file()?;
+ println!("Found {} calendard in file...", calendars.len());
+
+ for c in calendars {
+ for e in c.events.iter().filter(|e| match_event(&e, &icaltool.pattern)) {
+ print_event(&e);
+ }
+ }
+
+ Ok(())
+ }
+
+ fn parse_args() -> Result<Icaltool, Box<dyn Error>> {
+ let mut args = std::env::args().skip(1);
+
+ let filename = args.next().ok_or("Missing filename")?.into();
+ let pattern = args.next().ok_or("Missing pattern.")?;
+
+ Ok(Icaltool{ filename, pattern })
+ }
+
+ fn read_icalendar_from_file(&self) -> std::io::Result<Vec<IcalCalendar>> {
+ let buf = BufReader::new(File::open(&self.filename)?);
+ Ok(IcalParser::new(buf)
+ .filter_map(|c| c.ok())
+ .collect())
+ }
+}
+
+fn parse_datetime(datetime: Option<String>) -> Option<DateTime<Utc>> {
+ if let Some(mut dt) = datetime {
+ if dt.is_empty() {
+ return None;
+ }
+
+ if !dt.contains('T') {
+ dt += "T000000";
+ }
+ Utc.datetime_from_str(&dt, "%Y%m%dT%H%M%S").ok()
+ }
+ else {
+ None
+ }
+}
+
+fn print_event(event: &IcalEvent) {
+ let mut start: Option<DateTime<Utc>> = None;
+ let mut end: Option<DateTime<Utc>> = None;
+ let mut summary = String::new();
+
+ for p in &event.properties {
+ match p.name.as_ref() {
+ "DTSTART" => start = parse_datetime(p.value.clone()),
+ "DTEND" => end = parse_datetime(p.value.clone()),
+ "SUMMARY" => summary = p.value.clone().unwrap_or_default(),
+ _ => (),
+ }
+ }
+
+ println!("---> {} - {}: {}",
+ start.unwrap_or_else(Utc::now),
+ end.unwrap_or_else(Utc::now),
+ summary);
+}
+
+fn match_event(event: &IcalEvent, pattern: &str) -> bool {
+ if pattern == "*" {
+ true
+ }
+ else {
+ let parts: Vec<&str> = pattern.split(':').collect();
+
+ let (key, pat) = if parts.len() == 2 {
+ (parts[0].to_uppercase(), parts[1])
+ } else {
+ (String::from("*"), parts[0])
+ };
+
+ let re = RegexBuilder::new(&pat)
+ .case_insensitive(true)
+ .build()
+ .unwrap();
+
+ event.properties.iter()
+ .filter(|ref p| (&key == "*" || p.name == key) && re.is_match(&p.value.clone().unwrap()))
+ .count() > 0
+ }
+}
+
+#[cfg(test)]
+fn test_match_event_helper(pattern: &str) -> Vec<IcalEvent> {
+ let icaltool = Icaltool {
+ filename: PathBuf::from("test/fixtures/events.ics"),
+ pattern: String::new(),
+ };
+
+ let cal = icaltool.read_icalendar_from_file().unwrap();
+ cal[0].events.iter()
+ .filter_map(|event| {
+ if match_event(&event, pattern) {
+ Some(event.clone())
+ }
+ else {
+ None
+ }
+ })
+ .collect()
+}
+
+#[test]
+fn match_all_events() {
+ let events:Vec<_> = test_match_event_helper("*");
+ assert_eq!(3, events.len());
+}
+
+#[test]
+fn match_events_by_summary() {
+ let events:Vec<_> = test_match_event_helper("summary:All");
+ assert_eq!(2, events.len());
+}
+
+#[test]
+fn match_events_by_regex() {
+ let events:Vec<_> = test_match_event_helper("summary:^All.+1$");
+ assert_eq!(1, events.len());
+}
+
+#[test]
+fn match_events_regardless_of_case() {
+ let events:Vec<_> = test_match_event_helper("summary:^aLl.+1$");
+ assert_eq!(1, events.len());
+}
diff --git a/src/main.rs b/src/main.rs
index 30534dc..5030857 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,149 +14,13 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
-use ical;
-use chrono::{DateTime, TimeZone, Utc};
-use regex::RegexBuilder;
-use std::error::Error;
-use std::fs::File;
-use std::io::BufReader;
-use std::path::{Path, PathBuf};
+mod icaltool;
-fn parse_datetime(datetime: Option<String>) -> Option<DateTime<Utc>> {
- if let Some(mut dt) = datetime {
- if dt.is_empty() {
- return None;
- }
-
- if !dt.contains('T') {
- dt += "T000000";
- }
- Utc.datetime_from_str(&dt, "%Y%m%dT%H%M%S").ok()
- }
- else {
- None
- }
-}
-
-fn print_event(event: &ical::parser::ical::component::IcalEvent) {
- let mut start: Option<DateTime<Utc>> = None;
- let mut end: Option<DateTime<Utc>> = None;
- let mut summary = String::new();
-
- for p in &event.properties {
- match p.name.as_ref() {
- "DTSTART" => start = parse_datetime(p.value.clone()),
- "DTEND" => end = parse_datetime(p.value.clone()),
- "SUMMARY" => summary = p.value.clone().unwrap_or_default(),
- _ => (),
- }
- }
-
- println!("---> {} - {}: {}",
- start.unwrap_or_else(Utc::now),
- end.unwrap_or_else(Utc::now),
- summary);
-}
-
-fn read_icalendar_from_file(filename: &Path) -> std::io::Result<Vec<ical::parser::ical::component::IcalCalendar>> {
- let buf = BufReader::new(File::open(filename)?);
- Ok(ical::IcalParser::new(buf)
- .filter_map(|c| c.ok())
- .collect())
-}
-
-fn match_event(event: &ical::parser::ical::component::IcalEvent, pattern: &str) -> bool {
- if pattern == "*" {
- true
- }
- else {
- let parts: Vec<&str> = pattern.split(':').collect();
-
- let (key, pat) = if parts.len() == 2 {
- (parts[0].to_uppercase(), parts[1])
- } else {
- (String::from("*"), parts[0])
- };
-
- let re = RegexBuilder::new(&pat)
- .case_insensitive(true)
- .build()
- .unwrap();
-
- event.properties.iter()
- .filter(|ref p| (&key == "*" || p.name == key) && re.is_match(&p.value.clone().unwrap()))
- .count() > 0
- }
-}
-
-#[cfg(test)]
-fn test_match_event_helper(pattern: &str) -> Vec<ical::parser::ical::component::IcalEvent> {
- let cal = read_icalendar_from_file(&PathBuf::from("test/fixtures/events.ics")).unwrap();
- cal[0].events.iter()
- .filter_map(|event| {
- if match_event(&event, pattern) {
- Some(event.clone())
- }
- else {
- None
- }
- })
- .collect()
-}
-
-#[test]
-fn match_all_events() {
- let events:Vec<_> = test_match_event_helper("*");
- assert_eq!(3, events.len());
-}
-
-#[test]
-fn match_events_by_summary() {
- let events:Vec<_> = test_match_event_helper("summary:All");
- assert_eq!(2, events.len());
-}
-
-#[test]
-fn match_events_by_regex() {
- let events:Vec<_> = test_match_event_helper("summary:^All.+1$");
- assert_eq!(1, events.len());
-}
-
-#[test]
-fn match_events_regardless_of_case() {
- let events:Vec<_> = test_match_event_helper("summary:^aLl.+1$");
- assert_eq!(1, events.len());
-}
-
-struct IcaltoolArgs {
- filename: PathBuf,
- pattern: String,
-}
-
-fn parse_args() -> Result<IcaltoolArgs, Box<dyn Error>> {
- let mut args = std::env::args().skip(1);
-
- let filename = args.next().ok_or("Missing filename")?.into();
- let pattern = args.next().ok_or("Missing pattern.")?;
-
- Ok(IcaltoolArgs{ filename, pattern })
-}
+use icaltool::Icaltool;
fn main() {
- match parse_args() {
- Ok(args) => {
- let calendars = read_icalendar_from_file(&args.filename).unwrap();
- println!("Found {} calendard in file...", calendars.len());
-
- for c in calendars {
- for e in c.events.iter().filter(|e| match_event(&e, &args.pattern)) {
- print_event(&e);
- }
- }
- },
- Err(e) => {
- println!("[-] Error: {}", e);
- println!("Usage: icaltool <filename> <patterns>");
- }
+ if let Err(e) = Icaltool::run() {
+ println!("[-] Error: {}", e);
+ println!("Usage: icaltool <filename> <patterns>");
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-14 14:18:01 +0000