1 files changed, 101 insertions, 0 deletions
diff --git a/src/mmo/utils.cpp b/src/mmo/utils.cpp
new file mode 100644
index 0000000..0dbf145
--- /dev/null
+++ b/src/mmo/utils.cpp
@@ -0,0 +1,101 @@
+#include "utils.hpp"
+
+#include <netinet/in.h>
+#include <sys/time.h>
+
+#include <algorithm>
+
+#include "../strings/astring.hpp"
+#include "../strings/zstring.hpp"
+#include "../strings/xstring.hpp"
+
+#include "../io/cxxstdio.hpp"
+#include "../io/write.hpp"
+
+#include "extract.hpp"
+
+#include "../poison.hpp"
+
+//---------------------------------------------------
+// E-mail check: return 0 (not correct) or 1 (valid).
+//---------------------------------------------------
+bool e_mail_check(XString email)
+{
+    // athena limits
+    if (email.size() < 3 || email.size() > 39)
+        return 0;
+
+    // part of RFC limits (official reference of e-mail description)
+    XString::iterator at = std::find(email.begin(), email.end(), '@');
+    if (at == email.end())
+        return 0;
+    XString username = email.xislice_h(at);
+    XString hostname = email.xislice_t(at + 1);
+    if (!username || !hostname)
+        return 0;
+    if (hostname.contains('@'))
+        return 0;
+    if (hostname.front() == '.' || hostname.back() == '.')
+        return 0;
+    if (hostname.contains_seq(".."))
+        return 0;
+    if (email.contains_any(" ;"))
+        return 0;
+    return email.is_print();
+}
+
+//-------------------------------------------------
+// Return numerical value of a switch configuration
+// on/off, english, français, deutsch, español
+//-------------------------------------------------
+int config_switch(ZString str)
+{
+    if (str == "true" || str == "on" || str == "yes"
+        || str == "oui" || str == "ja"
+        || str == "si")
+        return 1;
+    if (str == "false" || str == "off" || str == "no"
+        || str == "non" || str == "nein")
+        return 0;
+
+    int rv;
+    if (extract(str, &rv))
+        return rv;
+    FPRINTF(stderr, "Fatal: bad option value %s", str);
+    abort();
+}
+
+static_assert(sizeof(timestamp_seconds_buffer) == 20, "seconds buffer");
+static_assert(sizeof(timestamp_milliseconds_buffer) == 24, "millis buffer");
+
+void stamp_time(timestamp_seconds_buffer& out, const TimeT *t)
+{
+    struct tm when = t ? *t : TimeT::now();
+    char buf[20];
+    strftime(buf, 20, "%Y-%m-%d %H:%M:%S", &when);
+    out = stringish<timestamp_seconds_buffer>(const_(buf));
+}
+void stamp_time(timestamp_milliseconds_buffer& out)
+{
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+    struct tm when = TimeT(tv.tv_sec);
+    char buf[24];
+    strftime(buf, 20, "%Y-%m-%d %H:%M:%S", &when);
+    sprintf(buf + 19, ".%03d", static_cast<int>(tv.tv_usec / 1000));
+    out = stringish<timestamp_milliseconds_buffer>(const_(buf));
+}
+
+void log_with_timestamp(io::WriteFile& out, XString line)
+{
+    if (!line)
+    {
+        out.put('\n');
+        return;
+    }
+    timestamp_milliseconds_buffer tmpstr;
+    stamp_time(tmpstr);
+    out.really_put(tmpstr.data(), tmpstr.size());
+    out.really_put(": ", 2);
+    out.put_line(line);
+}