<feat>(plugin): allow multiple write format

Author: joelbraga

.gitignore

@@ -1 +1,2 @@
 .DS_Store
+.idea

src/ios/CDVSocketPlugin.m

@@ -222,6 +222,7 @@ -(void)send: (CDVInvokedUrlCommand *) command {
             CDVPluginResult* result= nil;
             Connection* socket = nil;
             NSString* data = nil;
+            NSString* format = nil;
             NSString* key = nil;
 
             @try {
@@ -243,7 +244,14 @@ -(void)send: (CDVInvokedUrlCommand *) command {
                 } else {
                     // writting on output stream
                     data = [command.arguments objectAtIndex:1];
-                    [socket write:data];
+                    if ([command.arguments count] > 2) {
+                        format = [command.arguments objectAtIndex:2];
+                    }
+                    if ([format  isEqual: @"base64"]) {
+                        [socket writeBase64:data];
+                    } else {
+                        [socket write:data];
+                    }
 
                     //formatting success response
                     result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsString:key];
@@ -277,4 +285,4 @@ -(void) sendMessage :(NSString *)host :(int)port :(NSString *)chunk {
     [self.commandDelegate evalJs:receiveHook];
 
 }
-@end
+@end

src/ios/Connection.h

@@ -22,6 +22,7 @@
 - (void) open;
 - (void) close;
 - (void) write : (NSString*) data;
+- (void) writeBase64 : (NSString*) data;
 
 - (void) stream : (NSStream *) theStream handleEvent : (NSStreamEvent) streamEvent;
 

src/ios/Connection.m

@@ -61,6 +61,11 @@ - (void) write : (NSString *) data {
     [writer write : [pChunk bytes] maxLength : [pChunk length]];
 }
 
+- (void) writeBase64 : (NSString *) data {
+    NSData *decodedData = [[NSData alloc] initWithBase64EncodedString:data options:0];
+    [writer write : [decodedData bytes] maxLength : [decodedData length]];
+}
+
 - (void) stream : (NSStream *) theStream handleEvent : (NSStreamEvent) streamEvent {
     switch (streamEvent) {
         case NSStreamEventOpenCompleted:

www/socket.js

@@ -28,9 +28,9 @@ Socket.prototype.disconnectAll = function (successCallback, errorCallback) {
 };
 
 //
-Socket.prototype.send = function (successCallback, errorCallback, connectionId, data) {
+Socket.prototype.send = function (successCallback, errorCallback, connectionId, data, format) {
     'use strict';
-    exec(successCallback, errorCallback, this.pluginRef, 'send', [connectionId, typeof data == 'string' ? data : JSON.stringify(data)]);
+    exec(successCallback, errorCallback, this.pluginRef, 'send', [connectionId, typeof data == 'string' ? data : JSON.stringify(data), format]);
 };
 
 //