Move wapp to vendor dir

src/vendor/wapp/log/log.c

@@ -0,0 +1,137 @@
+// vim:fileencoding=utf-8:foldmethod=marker
+
+#include "log.h"
+#include "../base/strings/str8/str8.h"
+#include "../common/aliases/aliases.h"
+#include "../common/assert/assert.h"
+#include "../common/misc/misc_utils.h"
+#include "../os/file/file.h"
+#include <time.h>
+
+#define MIN_LOG_MSG_LENGTH 32
+#define TIME_BUF_CAPACITY 70
+
+wp_intern WpStr8RO L_BRACKET         = wpStr8LitRo("[");
+wp_intern WpStr8RO R_BRACKET_SPACE   = wpStr8LitRo("] ");
+wp_intern WpStr8RO R_BRACKET_NEWLINE = wpStr8LitRo("]\n");
+
+typedef struct {
+	WpFile *outlog;
+	WpFile *errlog;
+	WpLogLevel level;
+
+	wpMiscUtilsReservePadding(2 * sizeof(WpFile *) + sizeof(WpLogLevel));
+} LogConfig;
+
+wp_intern LogConfig LOG_CONFIG = {
+	.level = WP_LOG_LEVEL_DEBUG,
+};
+wp_intern WpStr8RO LOG_LEVEL_STRINGS[COUNT_LOG_LEVEL] = {
+	[WP_LOG_LEVEL_FATAL]    = wpStr8LitRoInitialiserList("fatal    "),
+	[WP_LOG_LEVEL_CRITICAL] = wpStr8LitRoInitialiserList("critical "),
+	[WP_LOG_LEVEL_ERROR]    = wpStr8LitRoInitialiserList("error    "),
+	[WP_LOG_LEVEL_WARNING]  = wpStr8LitRoInitialiserList("warning  "),
+	[WP_LOG_LEVEL_INFO]     = wpStr8LitRoInitialiserList("info     "),
+	[WP_LOG_LEVEL_DEBUG]    = wpStr8LitRoInitialiserList("debug    "),
+};
+
+wp_intern void _get_current_time_string(WpStr8 *dst);
+wp_intern void _write_log_line(WpFile *fp, const WpLogger *logger, WpStr8 msg, WpLogLevel level);
+
+void wpLogSetLevel(WpLogLevel level) {
+	LOG_CONFIG.level = level;
+}
+
+void wpLogConfigure(WpFile *outlog, WpFile *errlog, WpLogLevel level) {
+	LOG_CONFIG.outlog = outlog;
+	LOG_CONFIG.errlog = errlog;
+	LOG_CONFIG.level  = level;
+}
+
+WpLogger wpLogMakeLogger(WpStr8 name) {
+	return (WpLogger){ .name = name };
+}
+
+void wpLogDebug(const WpLogger *logger, WpStr8 msg) {
+	wpDebugAssert(logger != NULL, "`logger` should not be NULL");
+	if (LOG_CONFIG.level < WP_LOG_LEVEL_DEBUG) { return; }
+
+	WpFile *fp = LOG_CONFIG.outlog != NULL ? LOG_CONFIG.outlog : wpFileStdout();
+	_write_log_line(fp, logger, msg, WP_LOG_LEVEL_DEBUG);
+}
+
+void wpLogInfo(const WpLogger *logger, WpStr8 msg) {
+	wpDebugAssert(logger != NULL, "`logger` should not be NULL");
+	if (LOG_CONFIG.level < WP_LOG_LEVEL_INFO) { return; }
+
+	WpFile *fp = LOG_CONFIG.outlog != NULL ? LOG_CONFIG.outlog : wpFileStdout();
+	_write_log_line(fp, logger, msg, WP_LOG_LEVEL_INFO);
+}
+
+void wpLogWarning(const WpLogger *logger, WpStr8 msg) {
+	wpDebugAssert(logger != NULL, "`logger` should not be NULL");
+	if (LOG_CONFIG.level < WP_LOG_LEVEL_WARNING) { return; }
+
+	WpFile *fp = LOG_CONFIG.outlog != NULL ? LOG_CONFIG.outlog : wpFileStdout();
+	_write_log_line(fp, logger, msg, WP_LOG_LEVEL_WARNING);
+}
+
+void wpLogError(const WpLogger *logger, WpStr8 msg) {
+	wpDebugAssert(logger != NULL, "`logger` should not be NULL");
+	if (LOG_CONFIG.level < WP_LOG_LEVEL_ERROR) { return; }
+
+	WpFile *fp = LOG_CONFIG.errlog != NULL ? LOG_CONFIG.errlog : wpFileStderr();
+	_write_log_line(fp, logger, msg, WP_LOG_LEVEL_ERROR);
+}
+
+void wpLogCritical(const WpLogger *logger, WpStr8 msg) {
+	wpDebugAssert(logger != NULL, "`logger` should not be NULL");
+	if (LOG_CONFIG.level < WP_LOG_LEVEL_CRITICAL) { return; }
+
+	WpFile *fp = LOG_CONFIG.errlog != NULL ? LOG_CONFIG.errlog : wpFileStderr();
+	_write_log_line(fp, logger, msg, WP_LOG_LEVEL_CRITICAL);
+}
+
+void wpLogFatal(const WpLogger *logger, WpStr8 msg) {
+	wpDebugAssert(logger != NULL, "`logger` should not be NULL");
+	if (LOG_CONFIG.level < WP_LOG_LEVEL_FATAL) { return; }
+
+	WpFile *fp = LOG_CONFIG.errlog != NULL ? LOG_CONFIG.errlog : wpFileStderr();
+	_write_log_line(fp, logger, msg, WP_LOG_LEVEL_FATAL);
+}
+
+wp_intern void _get_current_time_string(WpStr8 *dst) {
+	// TODO (Abdelrahman): Replace with proper date/time utilities
+	char buf[TIME_BUF_CAPACITY];
+	time_t now = time(NULL);
+	struct tm utc;
+	gmtime_r(&now, &utc);
+	strftime(buf, sizeof(buf), "%FT%TZ ", &utc);
+	wpStr8CopyCstrCapped(dst, buf);
+}
+
+wp_intern void _write_log_line(WpFile *fp, const WpLogger *logger, WpStr8 msg, WpLogLevel level) {
+	WpStr8 padding     = wpStr8Buf(MIN_LOG_MSG_LENGTH);
+	u32 padding_size = msg.size < MIN_LOG_MSG_LENGTH ? MIN_LOG_MSG_LENGTH - msg.size + 1 : 0;
+	wpStr8Format(&padding, "%-*s", padding_size, " ");
+
+	WpStr8 time_str = wpStr8Buf(TIME_BUF_CAPACITY);
+	_get_current_time_string(&time_str);
+
+	WpStr8RO **strings = wpArray(
+		WpStr8RO *,
+		&time_str,
+		&L_BRACKET,
+		&LOG_LEVEL_STRINGS[level],
+		&R_BRACKET_SPACE,
+		&msg,
+		&padding,
+		&L_BRACKET,
+		&logger->name,
+		&R_BRACKET_NEWLINE
+	);
+
+	for (u64 i = 0; i < wpArrayCount(strings); ++i) {
+		wpFileWriteStr8(strings[i], fp);
+	}
+}