add license informations

1 files changed, 47 insertions, 38 deletions

diff --git a/src/backend/bib.rs b/src/backend/bib.rs
index aa7272f..6e913fd 100644
--- a/src/backend/bib.rs
+++ b/src/backend/bib.rs
@@ -1,51 +1,60 @@
+// bibiman - a TUI for managing BibLaTeX databases
+// Copyright (C) 2024  lukeflo
+//
+// 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 biblatex::Bibliography;
-use regex::Regex;
-use std::{
-    fs,
-    path::{Path, PathBuf},
-};
+use std::{fs, path::PathBuf};
 
-use super::cliargs::{CLIArgs, PosArgs};
+use super::cliargs::PosArgs;
 
 // Set necessary fields
 // TODO: can surely be made more efficient/simpler
-pub struct Bibi {
-    pub citekeys: Vec<String>,
-    // pub bibliography: Bibliography,
-}
-
-pub fn get_bibfile(filename: impl AsRef<Path>) -> String {
-    let bibfile = fs::read_to_string(&filename).unwrap();
-    bibfile
-}
-
-pub fn get_citekeys(bibstring: &Bibliography) -> Vec<String> {
-    // let bib = Bibliography::parse(&get_bibfile(CLIArgs::parse_cli_args().bibfilearg)).unwrap();
-    // // Define Regex to match citekeys
-    // let re = Regex::new(r"(?m)^\@[a-zA-Z]*\{(.*)\,").unwrap();
-    // // Declare empty vector to fill with captured keys
-    // // Has to be Vec<&str> because of captures_iter method
-    // let mut keys = vec![];
-    // for (_, [key]) in re.captures_iter(&bibfilestring).map(|c| c.extract()) {
-    //     keys.push(key);
-    // }
-    // // Transform Vec<&str> to Vec<String> which is needed by the struct Bibi
-    // let mut citekeys: Vec<String> = keys.into_iter().map(String::from).collect();
-    // // Sort vector items case-insensitive
-    // citekeys.sort_by_key(|name| name.to_lowercase());
-    // citekeys
-    let mut citekeys: Vec<String> = bibstring.iter().map(|entry| entry.to_owned().key).collect();
-    citekeys.sort_by_key(|name| name.to_lowercase());
-    citekeys
+pub struct BibiMain {
+    pub bibfile: PathBuf,           // path to bibfile
+    pub bibfilestring: String,      // content of bibfile as string
+    pub bibliography: Bibliography, // parsed bibliography
+    pub citekeys: Vec<String>,      // list of all citekeys
 }
 
-impl Bibi {
+impl BibiMain {
     pub fn new() -> Self {
         // TODO: Needs check for config file path as soon as config file is impl
-        let bib = Bibliography::parse(&get_bibfile(PosArgs::parse_pos_args().bibfilearg)).unwrap();
+        let bibfile = PosArgs::parse_pos_args().bibfilearg;
+        let bibfilestring = fs::read_to_string(&bibfile).unwrap();
+        let bibliography = biblatex::Bibliography::parse(&bibfilestring).unwrap();
+        let citekeys = Self::get_citekeys(&bibliography);
         Self {
-            citekeys: get_citekeys(&bib),
-            // bibliography: biblatex::Bibliography::parse(&bibfilestring).unwrap(),
+            bibfile,
+            bibfilestring,
+            bibliography,
+            citekeys,
         }
     }
+
+    // get list of citekeys from the given bibfile
+    // this list is the base for further operations on the bibentries
+    // since it is the entry point of the biblatex crate.
+    pub fn get_citekeys(bibstring: &Bibliography) -> Vec<String> {
+        let mut citekeys: Vec<String> =
+            bibstring.iter().map(|entry| entry.to_owned().key).collect();
+        citekeys.sort_by_key(|name| name.to_lowercase());
+        citekeys
+    }
+}
+
+pub struct BibiData {
+    pub citekey: Vec<String>,
 }