Implement emoji for local posts

src/controller/api/emoji.c

@@ -36,11 +36,9 @@ bool route_custom_emojis( struct http_request* req )
 			char* remain = NULL;
 			char* shortcode = strtok_r(filename, ".", &remain );
 
-			struct emoji e;
-			e.shortcode = shortcode;
-			e.url = aformat( "https://%s/emoji/%s", g_server_name, shortcode );
-			api_Emoji_write( &e, f, 1 );
-			free(e.url);
+			struct emoji* e = emoji_from_shortcode( shortcode );
+			api_Emoji_write( e, f, 1 );
+			emoji_free(e);
 			free(filename);
 
 			first = false;

src/model/emoji.c

@@ -1,6 +1,9 @@
 #include "emoji.h"
 
 #include "json/layout.h"
+#include "format.h"
+
+#include "model/server.h"
 
 #include <dirent.h>
 #include <string.h>
@@ -32,6 +35,20 @@ char* filename_for_shortcode( const char* shortcode )
 	return NULL;
 }
 
+struct emoji* emoji_from_shortcode( const char* shortcode )
+{
+	char* filename = filename_for_shortcode( shortcode );
+	if( !filename ) { return NULL; }
+
+	struct emoji* e;
+	e = malloc(sizeof(*e));
+	memset(e,0,sizeof(*e));
+
+	e->shortcode = strdup(shortcode);
+	e->url = aformat( "https://%s/emoji/%s", g_server_name, shortcode );
+
+	return e;
+}
 void emoji_free( struct emoji* e )
 {
 	if( !e ) { return; }

src/model/emoji.h

@@ -10,6 +10,8 @@ struct emoji
 	char* url;
 };
 
+struct emoji* emoji_from_shortcode( const char* shortcode );
+
 void emoji_free( struct emoji* e );
 
 extern struct json_object_field emoji_layout[];

src/model/status/render.c

@@ -1,6 +1,9 @@
 #include "model/status.h"
 
+#include "collections/array.h"
+
 #include "model/account.h"
+#include "model/emoji.h"
 
 #include <string.h>
 #include <stdlib.h>
@@ -52,6 +55,28 @@ char* status_render_source( struct status* s )
 				fprintf( f, "%s", handle );
 			}
 			free(handle);
+		} else if( *i == ':' ) {
+			// Emoji
+			++i;
+			char* start = i;
+			while( *i && !index(" ,:",*i) ) ++i;
+
+			char* shortcode = strndup( start, i - start );
+
+			// Check if shortcode is already present in status
+			for( int i = 0; i < s->emoji.count; ++i ) {
+				struct emoji* e = s->emoji.items[i];
+				if( 0 == strcmp( e->shortcode, shortcode ) ) { goto already_has_emoji; }
+			}
+
+			struct emoji* e = emoji_from_shortcode( shortcode );
+			if( e ) {
+				array_append( &s->emoji, sizeof(e), &e );
+			}
+
+			already_has_emoji:
+			fprintf( f, ":%s", shortcode );
+			free(shortcode);
 		} else if( *i == '\n' ) {
 			fprintf( f, "<br/>" );
 			continue;