1
Fork 0
hare-playground/vendor/hare-logfmt/log/logfmt/logfmt.ha

64 lines
1.7 KiB
Hare
Raw Normal View History

2024-06-01 14:46:01 +00:00
use io;
use log;
use fmt;
use time::date;
use os;
use encoding::utf8;
use strings;
// Implements the log::logger for outputting logs in Logfmt format.
export type logfmtlogger = struct {
log::logger,
handle: io::handle,
};
// creates a new instace of logfmtlogger to be use with [[log::setlogger]].
export fn new(handle: io::handle) logfmtlogger = {
return logfmtlogger {
println = &log_println,
printfln = &log_printfln,
handle = handle,
};
};
fn log_println(logger: *log::logger, fields: fmt::formattable...) void = {
const logger = logger: *logfmtlogger;
assert(logger.println == &log_println);
const now = date::now();
fmt::fprint(logger.handle, "ts="): void;
date::format(logger.handle, date::RFC3339, &now): void;
fmt::fprint(logger.handle, " "): void;
for (let i = 0z; i < len(fields); i+= 1) {
if (i % 2 == 0) {
fmt::fprint(logger.handle, fields[i]): void;
fmt::fprint(logger.handle, "="): void;
} else {
fmt::fprint(logger.handle, fields[i]): void;
fmt::fprint(logger.handle, " "): void;
};
};
fmt::fprintln(logger.handle, ""): void;
};
fn log_printfln(logger: *log::logger, fmt: str, fields: fmt::field...) void = {
const logger = logger: *logfmtlogger;
assert(logger.printfln == &log_printfln);
const now = date::now();
fmt::fprint(logger.handle, "ts="): void;
date::format(logger.handle, date::RFC3339, &now): void;
fmt::fprint(logger.handle, " "): void;
for (let i = 0z; i < len(fields); i+= 1) {
if (i % 2 == 0) {
fmt::fprintf(logger.handle, "{}", fields[i]): void;
fmt::fprint(logger.handle, "="): void;
} else {
fmt::fprintf(logger.handle, "{}", fields[i]): void;
fmt::fprint(logger.handle, " "): void;
};
};
fmt::fprintln(logger.handle, ""): void;
};