src/cli/command.rs: move code into separate file

This commit is contained in:
Dietmar Maurer 2018-12-10 13:36:52 +01:00
parent 211fabd795
commit b7329c8a1a
3 changed files with 92 additions and 87 deletions

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@ -1,95 +1,9 @@
extern crate apitest; extern crate apitest;
use failure::*;
use std::collections::HashMap; use std::collections::HashMap;
//use std::sync::Arc;
use apitest::api::schema::*;
use apitest::api::router::*;
use apitest::api::config::*;
use apitest::getopts;
use apitest::api3; use apitest::api3;
use apitest::cli::command::*;
fn print_cli_usage() {
eprintln!("Usage: TODO");
}
fn handle_simple_command(cli_cmd: &CliCommand, args: Vec<String>) -> Result<(), Error> {
let (params, rest) = getopts::parse_arguments(
&args, &cli_cmd.arg_param, &cli_cmd.info.parameters)?;
if !rest.is_empty() {
bail!("got additional arguments: {:?}", rest);
}
let res = (cli_cmd.info.handler)(params, &cli_cmd.info)?;
println!("Result: {}", serde_json::to_string_pretty(&res).unwrap());
Ok(())
}
fn handle_nested_command(def: &HashMap<String, CmdDef>, mut args: Vec<String>) -> Result<(), Error> {
if args.len() < 1 {
let mut cmds: Vec<&String> = def.keys().collect();
cmds.sort();
let list = cmds.iter().fold(String::new(),|mut s,item| {
if !s.is_empty() { s+= ", "; }
s += item;
s
});
bail!("expected command argument, but no command specified.\nPossible commands: {}", list);
}
let command = args.remove(0);
let sub_cmd = match def.get(&command) {
Some(cmd) => cmd,
None => {
bail!("no such command '{}'", command);
}
};
match sub_cmd {
CmdDef::Simple(cli_cmd) => {
handle_simple_command(cli_cmd, args)?;
}
CmdDef::Nested(map) => {
handle_nested_command(map, args)?;
}
}
Ok(())
}
fn run_cli_command(def: &CmdDef) -> Result<(), Error> {
let args: Vec<String> = std::env::args().skip(1).collect();
match def {
CmdDef::Simple(cli_cmd) => handle_simple_command(cli_cmd, args),
CmdDef::Nested(map) => handle_nested_command(map, args),
}
}
struct CliCommand {
info: ApiMethod,
arg_param: Vec<&'static str>,
fixed_param: Vec<&'static str>,
}
enum CmdDef {
Simple(CliCommand),
Nested(HashMap<String, CmdDef>),
}
fn datastore_commands() -> CmdDef { fn datastore_commands() -> CmdDef {

85
src/cli/command.rs Normal file
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@ -0,0 +1,85 @@
use failure::*;
use std::collections::HashMap;
use crate::api::schema::*;
use crate::api::router::*;
use crate::api::config::*;
use crate::getopts;
pub fn print_cli_usage() {
eprintln!("Usage: TODO");
}
fn handle_simple_command(cli_cmd: &CliCommand, args: Vec<String>) -> Result<(), Error> {
let (params, rest) = getopts::parse_arguments(
&args, &cli_cmd.arg_param, &cli_cmd.info.parameters)?;
if !rest.is_empty() {
bail!("got additional arguments: {:?}", rest);
}
let res = (cli_cmd.info.handler)(params, &cli_cmd.info)?;
println!("Result: {}", serde_json::to_string_pretty(&res).unwrap());
Ok(())
}
fn handle_nested_command(def: &HashMap<String, CmdDef>, mut args: Vec<String>) -> Result<(), Error> {
if args.len() < 1 {
let mut cmds: Vec<&String> = def.keys().collect();
cmds.sort();
let list = cmds.iter().fold(String::new(),|mut s,item| {
if !s.is_empty() { s+= ", "; }
s += item;
s
});
bail!("expected command argument, but no command specified.\nPossible commands: {}", list);
}
let command = args.remove(0);
let sub_cmd = match def.get(&command) {
Some(cmd) => cmd,
None => {
bail!("no such command '{}'", command);
}
};
match sub_cmd {
CmdDef::Simple(cli_cmd) => {
handle_simple_command(cli_cmd, args)?;
}
CmdDef::Nested(map) => {
handle_nested_command(map, args)?;
}
}
Ok(())
}
pub fn run_cli_command(def: &CmdDef) -> Result<(), Error> {
let args: Vec<String> = std::env::args().skip(1).collect();
match def {
CmdDef::Simple(cli_cmd) => handle_simple_command(cli_cmd, args),
CmdDef::Nested(map) => handle_nested_command(map, args),
}
}
pub struct CliCommand {
pub info: ApiMethod,
pub arg_param: Vec<&'static str>,
pub fixed_param: Vec<&'static str>,
}
pub enum CmdDef {
Simple(CliCommand),
Nested(HashMap<String, CmdDef>),
}

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@ -50,4 +50,10 @@ pub mod storage {
pub mod getopts; pub mod getopts;
pub mod cli {
pub mod command;
}
pub mod api3; pub mod api3;