Add configuration traits

libimagrt/src/configuration.rs

@@ -22,6 +22,7 @@ use std::result::Result as RResult;
 use std::ops::Deref;
 
 use toml::Value;
+use clap::App;
 
 use error::RuntimeErrorKind as REK;
 use libimagerror::into::IntoError;
@@ -72,24 +73,22 @@ impl Configuration {
     /// with all variants.
     ///
     /// If that doesn't work either, an error is returned.
-    pub fn new(rtp: &PathBuf) -> Result<Configuration> {
-        fetch_config(&rtp).map(|cfg| {
-            let verbosity   = get_verbosity(&cfg);
-            let editor      = get_editor(&cfg);
-            let editor_opts = get_editor_opts(&cfg);
+    pub fn new(toml_config: Value) -> Configuration {
+        let verbosity   = get_verbosity(&toml_config);
+        let editor      = get_editor(&toml_config);
+        let editor_opts = get_editor_opts(&toml_config);
 
-            debug!("Building configuration");
-            debug!("  - verbosity  : {:?}", verbosity);
-            debug!("  - editor     : {:?}", editor);
-            debug!("  - editor-opts: {}", editor_opts);
+        debug!("Building configuration");
+        debug!("  - verbosity  : {:?}", verbosity);
+        debug!("  - editor     : {:?}", editor);
+        debug!("  - editor-opts: {}", editor_opts);
 
-            Configuration {
-                config: cfg,
-                verbosity: verbosity,
-                editor: editor,
-                editor_opts: editor_opts,
-            }
-        })
+        Configuration {
+            config: toml_config,
+            verbosity: verbosity,
+            editor: editor,
+            editor_opts: editor_opts,
+        }
     }
 
     /// Get the Editor setting from the configuration
@@ -274,3 +273,23 @@ fn fetch_config(rtp: &PathBuf) -> Result<Value> {
         .nth(0)
         .ok_or(ConfigErrorKind::NoConfigFileFound.into())
 }
+
+pub trait GetConfiguration {
+    fn get_configuration(rtp: &PathBuf) -> Result<Configuration> {
+        fetch_config(rtp).map(Configuration::new)
+    }
+}
+
+impl<'a> GetConfiguration for App<'a, 'a> {}
+
+pub trait InternalConfiguration {
+    fn enable_hooks() -> bool {
+        true
+    }
+
+    fn enable_logging() -> bool {
+        true
+    }
+}
+
+impl<'a> InternalConfiguration for App<'a, 'a> {}

libimagrt/src/runtime.rs

@@ -29,7 +29,7 @@ use clap::{Arg, ArgMatches};
 use log;
 use log::LogLevelFilter;
 
-use configuration::Configuration;
+use configuration::{Configuration, GetConfiguration, InternalConfiguration};
 use error::RuntimeError;
 use error::RuntimeErrorKind;
 use error::MapErrInto;
@@ -55,8 +55,10 @@ impl<'a> Runtime<'a> {
     /// in $HOME/.imag/config, $XDG_CONFIG_DIR/imag/config or from env("$IMAG_CONFIG")
     /// and builds the Runtime object with it.
     ///
-    /// The cli_spec object should be initially build with the ::get_default_cli_builder() function.
-    pub fn new<C: Clone + CliSpec<'a>>(mut cli_spec: C) -> Result<Runtime<'a>, RuntimeError> {
+    /// The cli_app object should be initially build with the ::get_default_cli_builder() function.
+    pub fn new<C>(mut cli_app: C) -> Result<Runtime<'a>, RuntimeError>
+        where C: Clone + CliSpec<'a> + GetConfiguration + InternalConfiguration
+    {
         use std::env;
         use std::io::stdout;
 
@@ -67,20 +69,22 @@ impl<'a> Runtime<'a> {
 
         use configuration::error::ConfigErrorKind;
 
-        let matches = cli_spec.clone().matches();
+        let matches = cli_app.clone().matches();
 
         let is_debugging = matches.is_present("debugging");
         let is_verbose   = matches.is_present("verbosity");
         let colored      = !matches.is_present("no-color-output");
 
-        Runtime::init_logger(is_debugging, is_verbose, colored);
+        if C::enable_logging() {
+            Runtime::init_logger(is_debugging, is_verbose, colored);
+        }
 
         match matches.value_of(Runtime::arg_generate_compl()) {
             Some(shell) => {
                 debug!("Generating shell completion script, writing to stdout");
                 let shell   = shell.parse::<Shell>().unwrap(); // clap has our back here.
-                let appname = String::from(cli_spec.name());
-                cli_spec.completions(appname, shell, &mut stdout());
+                let appname = String::from(cli_app.name());
+                cli_app.completions(appname, shell, &mut stdout());
             },
             _ => debug!("Not generating shell completion script"),
         }
@@ -108,7 +112,7 @@ impl<'a> Runtime<'a> {
         debug!("Store path  = {:?}", storepath);
         debug!("Config path = {:?}", configpath);
 
-        let cfg = match Configuration::new(&configpath) {
+        let cfg = match C::get_configuration(&configpath) {
             Err(e) => if e.err_type() != ConfigErrorKind::NoConfigFileFound {
                 return Err(RuntimeErrorKind::Instantiate.into_error_with_cause(Box::new(e)));
             } else {