87 lines
3.0 KiB
Objective-C
87 lines
3.0 KiB
Objective-C
// Copyright 2004-present Facebook. All Rights Reserved.
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#import "RCTLog.h"
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#import "RCTBridge.h"
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__unsafe_unretained NSString *RCTLogLevels[] = {
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@"info",
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@"warn",
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@"error",
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@"mustfix"
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};
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static void (^RCTInjectedLogFunction)(NSString *msg);
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void RCTInjectLogFunction(void (^logFunction)(NSString *msg)) {
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RCTInjectedLogFunction = logFunction;
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}
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static inline NSString *_RCTLogPreamble(const char *file, int lineNumber, const char *funcName)
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{
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NSString *threadName = [[NSThread currentThread] name];
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NSString *fileName=[[NSString stringWithUTF8String:file] lastPathComponent];
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if (!threadName || threadName.length <= 0) {
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threadName = [NSString stringWithFormat:@"%p", [NSThread currentThread]];
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}
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return [NSString stringWithFormat:@"[RCTLog][tid:%@][%@:%d]>", threadName, fileName, lineNumber];
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}
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// TODO (#5906496): // kinda ugly that this is tied to RCTBridge
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NSString *RCTLogObjects(NSArray *objects, NSString *level)
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{
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NSString *str = objects[0];
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#if TARGET_IPHONE_SIMULATOR
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if ([RCTBridge hasValidJSExecutor]) {
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fprintf(stderr, "%s\n", [str UTF8String]); // don't print timestamps and other junk
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[RCTBridge log:objects level:level];
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} else
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#endif
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{
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// Print normal errors with timestamps when not in simulator.
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// Non errors are already compiled out above, so log as error here.
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if (RCTInjectedLogFunction) {
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RCTInjectedLogFunction(str);
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} else {
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NSLog(@">\n %@", str);
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}
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}
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return str;
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}
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// Returns array of objects. First arg is a simple string to print, remaining args
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// are objects to pass through to the debugger so they are inspectable in the console.
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NSArray *RCTLogFormat(const char *file, int lineNumber, const char *funcName, NSString *format, ...)
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{
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va_list args;
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va_start(args, format);
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NSString *preamble = _RCTLogPreamble(file, lineNumber, funcName);
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// Pull out NSObjects so we can pass them through as inspectable objects to the js debugger
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NSArray *formatParts = [format componentsSeparatedByString:@"%"];
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NSMutableArray *objects = [NSMutableArray arrayWithObject:preamble];
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BOOL valid = YES;
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for (int i = 0; i < formatParts.count; i++) {
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if (i == 0) { // first part is always a string
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[objects addObject:formatParts[i]];
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} else {
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if (valid && [formatParts[i] length] && [formatParts[i] characterAtIndex:0] == '@') {
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id obj = va_arg(args, id);
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[objects addObject:obj ?: @"null"];
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[objects addObject:[formatParts[i] substringFromIndex:1]]; // remove formatting char
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} else {
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// We could determine the type (double, int?) of the va_arg by parsing the formatPart, but for now we just bail.
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valid = NO;
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[objects addObject:[NSString stringWithFormat:@"unknown object for %%%@", formatParts[i]]];
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}
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}
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}
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va_end(args);
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va_start(args, format);
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NSString *strOut = [preamble stringByAppendingString:[[NSString alloc] initWithFormat:format arguments:args]];
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va_end(args);
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NSMutableArray *objectsOut = [NSMutableArray arrayWithObject:strOut];
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[objectsOut addObjectsFromArray:objects];
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return objectsOut;
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}
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