Add structopt dependency in version 0.3.7

This patch series replaces argparse with structopt in the argument
handling code. As a first step, we need structopt as a dependency.

Import subrepo structopt/:structopt at efbdda4753592e27bc430fb01f7b9650b2f3174d
Import subrepo bitflags/:bitflags at 30668016aca6bd3b02c766e8347e0b4080d4c296
Import subrepo clap/:clap at 784524f7eb193e35f81082cc69454c8c21b948f7
Import subrepo heck/:heck at 093d56fbf001e1506e56dbfa38631d99b1066df1
Import subrepo proc-macro-error/:proc-macro-error at 6c4cfe79a622c5de8ae68557993542be46eacae2
Import subrepo proc-macro2/:proc-macro2 at d5d48eddca4566e5438e8a2cbed4a74e049544de
Import subrepo quote/:quote at 727436c6c137b20f0f34dde5d8fda2679b9747ad
Import subrepo rustversion/:rustversion at 0c5663313516263059ce9059ef81fc7a1cf655ca
Import subrepo syn-mid/:syn-mid at 5d3d85414a9e6674e1857ec22a87b96e04a6851a
Import subrepo syn/:syn at e87c27e87f6f4ef8919d0372bdb056d53ef0d8f3
Import subrepo textwrap/:textwrap at abcd618beae3f74841032aa5b53c1086b0a57ca2
Import subrepo unicode-segmentation/:unicode-segmentation at 637c9874c4fe0c205ff27787faf150a40295c6c3
Import subrepo unicode-width/:unicode-width at 3033826f8bf05e82724140a981d5941e48fce393
Import subrepo unicode-xid/:unicode-xid at 4baae9fffb156ba229665b972a9cd5991787ceb7

1 files changed, 219 insertions, 0 deletions

diff --git a/clap/src/completions/bash.rs b/clap/src/completions/bash.rs
new file mode 100644
index 0000000..37dfa66
--- /dev/null
+++ b/clap/src/completions/bash.rs
@@ -0,0 +1,219 @@
+// Std
+use std::io::Write;
+
+// Internal
+use app::parser::Parser;
+use args::OptBuilder;
+use completions;
+
+pub struct BashGen<'a, 'b>
+where
+    'a: 'b,
+{
+    p: &'b Parser<'a, 'b>,
+}
+
+impl<'a, 'b> BashGen<'a, 'b> {
+    pub fn new(p: &'b Parser<'a, 'b>) -> Self { BashGen { p: p } }
+
+    pub fn generate_to<W: Write>(&self, buf: &mut W) {
+        w!(
+            buf,
+            format!(
+                r#"_{name}() {{
+    local i cur prev opts cmds
+    COMPREPLY=()
+    cur="${{COMP_WORDS[COMP_CWORD]}}"
+    prev="${{COMP_WORDS[COMP_CWORD-1]}}"
+    cmd=""
+    opts=""
+
+    for i in ${{COMP_WORDS[@]}}
+    do
+        case "${{i}}" in
+            {name})
+                cmd="{name}"
+                ;;
+            {subcmds}
+            *)
+                ;;
+        esac
+    done
+
+    case "${{cmd}}" in
+        {name})
+            opts="{name_opts}"
+            if [[ ${{cur}} == -* || ${{COMP_CWORD}} -eq 1 ]] ; then
+                COMPREPLY=( $(compgen -W "${{opts}}" -- "${{cur}}") )
+                return 0
+            fi
+            case "${{prev}}" in
+                {name_opts_details}
+                *)
+                    COMPREPLY=()
+                    ;;
+            esac
+            COMPREPLY=( $(compgen -W "${{opts}}" -- "${{cur}}") )
+            return 0
+            ;;
+        {subcmd_details}
+    esac
+}}
+
+complete -F _{name} -o bashdefault -o default {name}
+"#,
+                name = self.p.meta.bin_name.as_ref().unwrap(),
+                name_opts = self.all_options_for_path(self.p.meta.bin_name.as_ref().unwrap()),
+                name_opts_details =
+                    self.option_details_for_path(self.p.meta.bin_name.as_ref().unwrap()),
+                subcmds = self.all_subcommands(),
+                subcmd_details = self.subcommand_details()
+            ).as_bytes()
+        );
+    }
+
+    fn all_subcommands(&self) -> String {
+        debugln!("BashGen::all_subcommands;");
+        let mut subcmds = String::new();
+        let scs = completions::all_subcommand_names(self.p);
+
+        for sc in &scs {
+            subcmds = format!(
+                r#"{}
+            {name})
+                cmd+="__{fn_name}"
+                ;;"#,
+                subcmds,
+                name = sc,
+                fn_name = sc.replace("-", "__")
+            );
+        }
+
+        subcmds
+    }
+
+    fn subcommand_details(&self) -> String {
+        debugln!("BashGen::subcommand_details;");
+        let mut subcmd_dets = String::new();
+        let mut scs = completions::get_all_subcommand_paths(self.p, true);
+        scs.sort();
+        scs.dedup();
+
+        for sc in &scs {
+            subcmd_dets = format!(
+                r#"{}
+        {subcmd})
+            opts="{sc_opts}"
+            if [[ ${{cur}} == -* || ${{COMP_CWORD}} -eq {level} ]] ; then
+                COMPREPLY=( $(compgen -W "${{opts}}" -- "${{cur}}") )
+                return 0
+            fi
+            case "${{prev}}" in
+                {opts_details}
+                *)
+                    COMPREPLY=()
+                    ;;
+            esac
+            COMPREPLY=( $(compgen -W "${{opts}}" -- "${{cur}}") )
+            return 0
+            ;;"#,
+                subcmd_dets,
+                subcmd = sc.replace("-", "__"),
+                sc_opts = self.all_options_for_path(&*sc),
+                level = sc.split("__").map(|_| 1).fold(0, |acc, n| acc + n),
+                opts_details = self.option_details_for_path(&*sc)
+            );
+        }
+
+        subcmd_dets
+    }
+
+    fn option_details_for_path(&self, path: &str) -> String {
+        debugln!("BashGen::option_details_for_path: path={}", path);
+        let mut p = self.p;
+        for sc in path.split("__").skip(1) {
+            debugln!("BashGen::option_details_for_path:iter: sc={}", sc);
+            p = &find_subcmd!(p, sc).unwrap().p;
+        }
+        let mut opts = String::new();
+        for o in p.opts() {
+            if let Some(l) = o.s.long {
+                opts = format!(
+                    "{}
+                --{})
+                    COMPREPLY=({})
+                    return 0
+                    ;;",
+                    opts,
+                    l,
+                    self.vals_for(o)
+                );
+            }
+            if let Some(s) = o.s.short {
+                opts = format!(
+                    "{}
+                    -{})
+                    COMPREPLY=({})
+                    return 0
+                    ;;",
+                    opts,
+                    s,
+                    self.vals_for(o)
+                );
+            }
+        }
+        opts
+    }
+
+    fn vals_for(&self, o: &OptBuilder) -> String {
+        debugln!("BashGen::vals_for: o={}", o.b.name);
+        use args::AnyArg;
+        if let Some(vals) = o.possible_vals() {
+            format!(r#"$(compgen -W "{}" -- "${{cur}}")"#, vals.join(" "))
+        } else {
+            String::from(r#"$(compgen -f "${cur}")"#)
+        }
+    }
+
+    fn all_options_for_path(&self, path: &str) -> String {
+        debugln!("BashGen::all_options_for_path: path={}", path);
+        let mut p = self.p;
+        for sc in path.split("__").skip(1) {
+            debugln!("BashGen::all_options_for_path:iter: sc={}", sc);
+            p = &find_subcmd!(p, sc).unwrap().p;
+        }
+        let mut opts = shorts!(p).fold(String::new(), |acc, s| format!("{} -{}", acc, s));
+        opts = format!(
+            "{} {}",
+            opts,
+            longs!(p).fold(String::new(), |acc, l| format!("{} --{}", acc, l))
+        );
+        opts = format!(
+            "{} {}",
+            opts,
+            p.positionals
+                .values()
+                .fold(String::new(), |acc, p| format!("{} {}", acc, p))
+        );
+        opts = format!(
+            "{} {}",
+            opts,
+            p.subcommands
+                .iter()
+                .fold(String::new(), |acc, s| format!("{} {}", acc, s.p.meta.name))
+        );
+        for sc in &p.subcommands {
+            if let Some(ref aliases) = sc.p.meta.aliases {
+                opts = format!(
+                    "{} {}",
+                    opts,
+                    aliases
+                        .iter()
+                        .map(|&(n, _)| n)
+                        .fold(String::new(), |acc, a| format!("{} {}", acc, a))
+                );
+            }
+        }
+        opts
+    }
+}