GLEGram 12.5 — Initial public release

Based on Swiftgram 12.5 (Telegram iOS 12.5).
All GLEGram features ported and organized in GLEGram/ folder.

Features: Ghost Mode, Saved Deleted Messages, Content Protection Bypass,
Font Replacement, Fake Profile, Chat Export, Plugin System, and more.

See CHANGELOG_12.5.md for full details.

submodules/MtProtoKit/Sources/MTLogging.m

@@ -0,0 +1,57 @@
+#import <MtProtoKit/MTLogging.h>
+
+static void (*loggingFunction)(NSString *) = NULL;
+static void (*shortLoggingFunction)(NSString *) = NULL;
+static bool MTLogEnabledValue = true;
+
+bool MTLogEnabled() {
+    return loggingFunction != NULL && MTLogEnabledValue;
+}
+
+void MTLog(NSString *format, ...) {
+    va_list L;
+    va_start(L, format);
+    if (loggingFunction != NULL) {
+        NSString *string = [[NSString alloc] initWithFormat:format arguments:L];
+        loggingFunction(string);
+    }
+    va_end(L);
+}
+
+void MTLogWithPrefix(NSString *(^getLogPrefix)(), NSString *format, ...) {
+    va_list L;
+    va_start(L, format);
+    if (loggingFunction != NULL) {
+        NSString *string = [[NSString alloc] initWithFormat:format arguments:L];
+        if (getLogPrefix) {
+            NSString *prefix = getLogPrefix();
+            if (prefix) {
+                string = [prefix stringByAppendingString:string];
+            }
+        }
+        loggingFunction(string);
+    }
+    va_end(L);
+}
+
+void MTShortLog(NSString *format, ...) {
+    va_list L;
+    va_start(L, format);
+    if (shortLoggingFunction != NULL) {
+        NSString *string = [[NSString alloc] initWithFormat:format arguments:L];
+        shortLoggingFunction(string);
+    }
+    va_end(L);
+}
+
+void MTLogSetLoggingFunction(void (*function)(NSString *)) {
+    loggingFunction = function;
+}
+
+void MTLogSetShortLoggingFunction(void (*function)(NSString *)) {
+    shortLoggingFunction = function;
+}
+
+void MTLogSetEnabled(bool enabled) {
+    MTLogEnabledValue = enabled;
+}