Begin defining command line options

2 files changed, 24 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 01e6693..4f190e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,4 +4,5 @@ version = "0.0.1"
 edition = "2018"
 
 [dependencies]
+getopts = "0.2.21"
 lopdf = "0.26.0"
diff --git a/src/main.rs b/src/main.rs
index ddbf2f7..e9e198d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,30 @@
+use getopts::Options;
 use lopdf::{Document, Object};
 
+use std::env;
+
 
 fn main() {
+    let args: Vec<String> = env::args().collect();
+
+    let mut opts = Options::new();
+    opts.reqopt("f", "find", "original font", "");
+    opts.reqopt("r", "replace", "replacement font", "");
+    opts.optopt("o", "output", "output file", "FILE");
+
+    opts.optflag("h", "help", "print this help menu");
+    opts.optflag("V", "version", "show the program version");
+
+    let opt_matches = opts.parse(&args[1..])?;
+
+    let input_pdf = if opt_matches.free.is_empty() {
+        "-"
+    } else {
+        opt_matches.free[0]
+    };
+
+    let output_pdf = opt_matches.opt_str("output").unwrap_or("-");
+
     let mut doc = Document::load("./f1040.pdf").unwrap();
 
     for (_, mut obj) in &mut doc.objects {