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Made some cmd functions to be private methods

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Borys Levytskyi
2015-04-05 13:39:51 +03:00
parent a5b0bf40e0
commit 7f5134dd59
1 changed files with 40 additions and 37 deletions
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77
app/cmd/cmd.js
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@@ -9,22 +9,21 @@ app.compose(function() {
return {
execute: function(rawInput) {
var input = rawInput.trim().toLowerCase();
var handler = this.findHandler(input);
var handler = findHandler(input);
if(handler != null) {
if(app.debugMode) {
this.invokeHandler(input, handler);
invokeHandler(input, handler);
} else {
try {
this.invokeHandler(input, handler);
invokeHandler(input, handler);
} catch (e) {
this.displayCommandError(input, "Error: " + e);
displayCommandError(input, "Error: " + e);
}
}
}
else {
this.displayCommandError(input, "Unsupported expression: " + input.trim());
displayCommandError(input, "Unsupported expression: " + input.trim());
}
},
commands: function(catalog) {
@@ -35,7 +34,7 @@ app.compose(function() {
}
},
command: function(cmd, handler) {
var h = this.createHandler(cmd, handler);
var h = createHandler(cmd, handler);
if(h == null){
console.warn('unexpected set of arguments: ', Array.prototype.splice.call(arguments));
return;
@@ -53,39 +52,43 @@ app.compose(function() {
handlers.push(h);
},
createHandler: function(cmd, handler) {
if(is.plainObject(cmd)) {
return cmd;
}
if(is.string(cmd)) {
return { canHandle: function (input) { return input === cmd; }, handle: handler };
}
return null;
},
findHandler: function (input) {
var i= 0;
for(i;i<handlers.length; i++) {
if(handlers[i].canHandle(input)) {
return handlers[i];
}
}
},
invokeHandler: function (input, handler) {
var cmdResult = handler.handle(input);
if(cmdResult != null) {
var r = new app.models.DisplayResult(input, cmdResult);
cmdController.display(r);
}
},
displayCommandError: function (input, message) {
var error = new app.models.ErrorResult(message);
cmdController.display(new app.models.DisplayResult(input, error));
},
clear: function() {
cmdController.clear();
}
};
function displayCommandError(input, message) {
var error = new app.models.ErrorResult(message);
cmdController.display(new app.models.DisplayResult(input, error));
}
function invokeHandler (input, handler) {
var cmdResult = handler.handle(input);
if(cmdResult != null) {
var r = new app.models.DisplayResult(input, cmdResult);
cmdController.display(r);
}
}
function createHandler (cmd, handler) {
if(is.plainObject(cmd)) {
return cmd;
}
if(is.string(cmd)) {
return { canHandle: function (input) { return input === cmd; }, handle: handler };
}
return null;
}
function findHandler (input) {
var i= 0;
for(i;i<handlers.length; i++) {
if(handlers[i].canHandle(input)) {
return handlers[i];
}
}
}
});
});