apple.c

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/* Storage capacities in elements; text buffers include the terminating NUL. */
#define LOG_APPLE_CLEAN_BUFFER_SIZE 4096
 
#include <os/log.h>
#include <string.h>
#include <ascii-chat/log/log.h>
#include <ascii-chat/util/string.h>
 
#define APPLE_LOG_SUBSYSTEM "com.ascii-chat"
#define APPLE_LOG_CATEGORY "default"
 
static os_log_t apple_log = NULL;
 
static os_log_t get_apple_log(void) {
  if (!apple_log) {
    apple_log = os_log_create(APPLE_LOG_SUBSYSTEM, APPLE_LOG_CATEGORY);
  }
  return apple_log;
}
 
static os_log_type_t level_to_os_log_type(log_level_t level) {
  switch (level) {
  case LOG_DEV:
  case LOG_DEBUG:
    return OS_LOG_TYPE_DEBUG;
  case LOG_INFO:
    return OS_LOG_TYPE_INFO;
  case LOG_WARN:
    // OS_LOG_TYPE_DEFAULT is the closest to "warning" in os_log;
    // os_log has no dedicated warning level.
    return OS_LOG_TYPE_DEFAULT;
  case LOG_ERROR:
    return OS_LOG_TYPE_ERROR;
  case LOG_FATAL:
    return OS_LOG_TYPE_FAULT;
  default:
    return OS_LOG_TYPE_DEFAULT;
  }
}
 
// Platform hook called by the logging system after each message is formatted.
// The message contains the full formatted log line with ANSI color codes.
// We strip ANSI codes before sending to os_log for clean output.
void platform_log_hook(log_level_t level, const char *message) {
  if (!message) {
    return;
  }
 
  os_log_t log = get_apple_log();
 
  // Strip ANSI escape codes for clean system log output
  char clean[LOG_APPLE_CLEAN_BUFFER_SIZE];
  strip_ansi_codes(message, clean, sizeof(clean));
 
  os_log_with_type(log, level_to_os_log_type(level), "%{public}s", clean);
}