From 5a54774474f43ae29716751d6415563a59b92c7d Mon Sep 17 00:00:00 2001
From: pk33 <pk33@pk33.space>
Date: Mon, 11 Nov 2024 18:06:18 +0100
Subject: tidying up and basic input

---
 src/logger33.c | 111 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 src/logger33.c

(limited to 'src/logger33.c')

diff --git a/src/logger33.c b/src/logger33.c
new file mode 100644
index 0000000..d9b0d8d
--- /dev/null
+++ b/src/logger33.c
@@ -0,0 +1,111 @@
+#include <linux/vt.h>
+
+#include "fcntl.h"
+#include "stdarg.h"
+#include "errno.h"
+#include "time.h"
+#include "unistd.h"
+#include "stdio.h"
+#include "string.h"
+
+#include "options33.h"
+#include "strings33.h"
+#include "logger33.h"
+#include "ui33.h"
+
+
+typedef struct {
+  Size fd;
+} Logger;
+
+Logger logger_t;
+
+
+static char *_ansiColourPrefix[5] = {
+  "[\x1b[36mD\x1b[37m]",
+  "[\x1b[32mI\x1b[37m]",
+  "[\x1b[35mW\x1b[37m]",
+  "[\x1b[33mE\x1b[37m]",
+  "[\x1b[31mF\x1b[37m]"
+};
+
+static char _uiColourPrefix[5][5] = {
+  { UI33_CYAN, 'D', UI33_WHITE, ':', '\0' },
+  { UI33_GREEN, 'I', UI33_WHITE, ':', '\0' },
+  { UI33_YELLOW, 'W', UI33_WHITE, ':', '\0' },
+  { UI33_ORANGE, 'E', UI33_WHITE, ':', '\0' },
+  { UI33_RED, 'F', UI33_WHITE, ':', '\0' }
+};
+
+
+Size logger33_init( void )
+{
+  String logFile[ _STRING_MAX ];
+
+  if( E33_LOG_FILE[0] == '~' ) {
+    snprintf(logFile,  _STRING_MAX , "%s/%s", getenv("HOME"), E33_LOG_FILE+1);
+  } else {
+    snprintf(logFile,  _STRING_MAX , "%s", E33_LOG_FILE);
+  }
+
+  logger_t.fd = open(logFile,
+    O_CREAT | O_TRUNC | O_WRONLY | O_NOCTTY | O_TTY_INIT,
+    0644 );
+
+  if( logger_t.fd < 0 ) {
+    printf( "Unable to initialize logger. Exiting." );
+    return E33_EXIT_FAILURE;
+  }
+
+  ui33_add_message( "Welcome to Engine33!" );
+  dprintf( logger_t.fd, "\033[3J\033[1;1HWelcome to Engine33!\r\n\r\n" );
+
+  return E33_EXIT_SUCCESS;
+}
+
+void logger33_term( void )
+{
+  LOGI( "Goodbye!" );
+  close( logger_t.fd );
+}
+
+void _logger( Size level, String file, int line , String func, const char *fmt, ... )
+{
+  char uiStringTemp[ _STRING_MAX ];
+  char uiString[ _STRING_MAX ];
+
+  time_t currentTime;
+  struct tm *mTime;
+
+
+  va_list args;
+  va_start(args, fmt);
+
+
+  time(&currentTime);
+  mTime = localtime(&currentTime);
+
+
+  dprintf( logger_t.fd, "Engine33 [%02d:%02d:%02d] [%s:%d @%s()] -",
+    mTime->tm_hour, mTime->tm_min, mTime->tm_sec, file, line, func );
+
+  dprintf( logger_t.fd, " %s ", _ansiColourPrefix[level] );
+  vdprintf(logger_t.fd, fmt, args);
+
+  if( (level > _INFO) && errno )
+  {
+    dprintf( logger_t.fd, " [%s]", strerror(errno) );
+    errno = 0;
+  }
+  dprintf( logger_t.fd, "\r\n" );
+
+
+  snprintf( uiStringTemp,  _STRING_MAX , "%s %s", _uiColourPrefix[level], fmt );
+  vsnprintf( uiString,  _STRING_MAX , uiStringTemp, args );
+
+  ui33_add_message( uiString );
+
+
+  va_end(args);
+}
+
-- 
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