Add argparse 0.2.2 as a dependency

This patch adds the crate rust-argparse [0] in version 0.2.2 as a
dependency, as discussed in issue #4.

[0]  https://github.com/tailhook/rust-argparse

Import subrepo argparse/:argparse at 0de60a5e6d9ee1a3570d6089afd3ccd6ed7480c5

1 files changed, 196 insertions, 0 deletions

diff --git a/argparse/src/test_pos.rs b/argparse/src/test_pos.rs
new file mode 100644
index 0000000..2542050
--- /dev/null
+++ b/argparse/src/test_pos.rs
@@ -0,0 +1,196 @@
+use parser::ArgumentParser;
+use super::{Store, List};
+use test_parser::{check_ok};
+
+fn parse_pos(args: &[&str]) -> isize {
+    let mut val = 0;
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val)
+            .add_argument("value", Store, "The value");
+        check_ok(&ap, args);
+    }
+    return val;
+}
+
+
+#[test]
+fn test_argument() {
+    assert_eq!(parse_pos(&["./argparse_test", "10"]), 10);
+}
+
+#[test]
+#[should_panic]
+fn too_much_args() {
+    parse_pos(&["./argparse_test", "10", "20"]);
+}
+
+#[test]
+#[should_panic]
+fn wrong_value() {
+    parse_pos(&["./argparse_test", "test", "20"]);
+}
+
+#[test]
+#[should_panic]
+fn float_value() {
+    parse_pos(&["./argparse_test", "1.5"]);
+}
+
+fn parse_two(args: &[&str]) -> (isize, isize) {
+    let mut val1 = 1;
+    let mut val2 = 2;
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val1)
+            .add_argument("v1", Store, "The value 1");
+        ap.refer(&mut val2)
+            .add_argument("v2", Store, "The value 2");
+        check_ok(&ap, args);
+    }
+    return (val1, val2);
+}
+
+#[test]
+fn test_two() {
+    assert_eq!(parse_two(&["./argparse_test", "10"]), (10, 2));
+    assert_eq!(parse_two(&["./argparse_test", "11", "21"]), (11, 21));
+}
+
+#[test]
+#[should_panic]
+fn test_two_fail_many() {
+    parse_two(&["./argparse_test", "10", "20", "30"]);
+}
+
+#[test]
+#[should_panic]
+fn test_two_fail_value() {
+    parse_two(&["./argparse_test", "test", "20"]);
+}
+
+#[test]
+#[should_panic]
+fn test_two_fail_float() {
+    parse_two(&["./argparse_test", "1.5"]);
+}
+
+fn parse_pos_opt(args: &[&str]) -> (isize, isize) {
+    let mut val1 = 1;
+    let mut val2 = 2;
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val1)
+            .add_option(&["--v1"], Store, "The value 1")
+            .add_argument("v1", Store, "The value 1");
+        ap.refer(&mut val2)
+            .add_argument("v2", Store, "The value 2");
+        check_ok(&ap, args);
+    }
+    return (val1, val2);
+}
+
+#[test]
+fn test_positional_optional() {
+    assert_eq!(parse_pos_opt(&["./argparse_test", "10"]), (10, 2));
+    assert_eq!(parse_pos_opt(&["./argparse_test", "11", "21"]), (11, 21));
+    assert_eq!(parse_pos_opt(&["./argparse_test", "--v1=7", "8"]), (7, 8));
+    assert_eq!(parse_pos_opt(&["./argparse_test", "10", "--v1=9"]), (9, 10));
+}
+
+#[test]
+#[should_panic]
+fn test_pos_opt_err() {
+    parse_pos_opt(&["./argparse_test", "--v1=10", "20", "30"]);
+}
+
+fn parse_pos_req(args: &[&str]) -> (isize, isize) {
+    let mut val1 = 1;
+    let mut val2 = 2;
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val1)
+            .add_option(&["--v1"], Store, "The value 1")
+            .add_argument("v1", Store, "The value 1")
+            .required();
+        ap.refer(&mut val2)
+            .add_argument("v2", Store, "The value 2");
+        check_ok(&ap, args);
+    }
+    return (val1, val2);
+}
+
+#[test]
+fn test_positional_required() {
+    assert_eq!(parse_pos_req(&["./argparse_test", "10"]), (10, 2));
+    assert_eq!(parse_pos_req(&["./argparse_test", "11", "21"]), (11, 21));
+    assert_eq!(parse_pos_req(&["./argparse_test", "--v1=7"]), (7, 2));
+    assert_eq!(parse_pos_req(&["./argparse_test", "10", "--v1=9"]), (9, 10));
+}
+
+#[test]
+#[should_panic]
+fn test_pos_extra() {
+    parse_pos_req(&["./argparse_test", "--v1=10", "20", "30"]);
+}
+
+#[test]
+#[should_panic]
+fn test_pos_no_req() {
+    parse_pos_req(&["./argparse_test"]);
+}
+
+fn pos_stop(args: &[&str]) -> (isize, Vec<String>) {
+    let mut val1 = 1;
+    let mut val2 = Vec::new();
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val1)
+            .add_option(&["--v1"], Store, "The value 1")
+            .add_argument("v1", Store, "The value 1")
+            .required();
+        ap.refer(&mut val2)
+            .add_argument("v2", List, "The value 2");
+        ap.stop_on_first_argument(true);
+        check_ok(&ap, args);
+    }
+    return (val1, val2);
+}
+
+#[test]
+fn test_pos_stop() {
+    assert_eq!(pos_stop(&["./argparse_test", "10"]), (10, vec!()));
+    assert_eq!(pos_stop(&["./argparse_test", "11", "21"]),
+        (11, vec!("21".to_string())));
+    assert_eq!(pos_stop(&["./argparse_test", "--v1=7"]), (7, vec!()));
+    assert_eq!(pos_stop(&["./argparse_test", "10", "--v1=9", "--whatever"]),
+        (10, vec!("--v1=9".to_string(), "--whatever".to_string())));
+}
+
+#[test]
+#[should_panic]
+fn test_test() {
+    pos_stop(&["./argparse_test"]);
+}
+
+fn pos_dash(args: &[&str], dash: bool) -> Vec<String> {
+    let mut val = Vec::new();
+    {
+        let mut ap = ArgumentParser::new();
+        ap.refer(&mut val)
+            .add_argument("v1", List, "The value");
+        ap.silence_double_dash(dash);
+        check_ok(&ap, args);
+    }
+    return val;
+}
+
+#[test]
+fn test_pos_dash() {
+    assert_eq!(pos_dash(&["./argparse_test", "1"], true),
+        vec!("1".to_string()));
+    assert_eq!(pos_dash(&["./argparse_test", "--", "1"], true),
+        vec!("1".to_string()));
+    assert_eq!(pos_dash(&["./argparse_test", "--", "1"], false),
+        vec!("--".to_string(), "1".to_string()));
+}