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Work On Issue 10828 - datetime toString functions should accept sink

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This commit is contained in:
Jack Stouffer 2018-01-30 15:52:08 -05:00
parent a267043210
commit b503bb4acd
1 changed files with 93 additions and 43 deletions
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136
std/datetime/date.d
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@ -2799,28 +2799,43 @@ public:
/++
Converts this $(LREF DateTime) to a string with the format YYYYMMDDTHHMMSS.
Converts this $(LREF DateTime) to a string with the format `YYYYMMDDTHHMMSS`.
If `writer` is set, the resulting string will be written directly to it.
Params:
writer = A `char` accepting
$(REF_ALTTEXT output range, isOutputRange, std, range, primitives)
Returns:
A `string` when not using an output range; `void` otherwise.
+/
string toISOString() const @safe pure nothrow
{
import std.format : format;
import std.array : appender;
auto w = appender!string();
w.reserve(18);
try
{
return format!("%sT%02d%02d%02d")(
_date.toISOString(),
_tod._hour,
_tod._minute,
_tod._second
);
}
toISOString(w);
catch (Exception e)
{
assert(0, "format() threw.");
}
assert(0, "formattedWrite() threw.");
return w.data;
}
/// ditto
void toISOString(W)(ref W writer) const
if (isOutputRange!(W, char))
{
import std.format : formattedWrite;
_date.toISOString(writer);
formattedWrite!("T%02d%02d%02d")(
writer,
_tod._hour,
_tod._minute,
_tod._second
);
}
///
@safe unittest
@safe pure nothrow unittest
{
assert(DateTime(Date(2010, 7, 4), TimeOfDay(7, 6, 12)).toISOString() ==
"20100704T070612");
@ -2861,28 +2876,43 @@ public:
/++
Converts this $(LREF DateTime) to a string with the format
YYYY-MM-DDTHH:MM:SS.
`YYYY-MM-DDTHH:MM:SS`. If `writer` is set, the resulting
string will be written directly to it.
Params:
writer = A `char` accepting
$(REF_ALTTEXT output range, isOutputRange, std, range, primitives)
Returns:
A `string` when not using an output range; `void` otherwise.
+/
string toISOExtString() const @safe pure nothrow
{
import std.format : format;
import std.array : appender;
auto w = appender!string();
w.reserve(20);
try
{
return format!("%sT%02d:%02d:%02d")(
_date.toISOExtString(),
_tod._hour,
_tod._minute,
_tod._second
);
}
toISOExtString(w);
catch (Exception e)
{
assert(0, "format() threw.");
}
assert(0, "formattedWrite() threw.");
return w.data;
}
/// ditto
void toISOExtString(W)(ref W writer) const
if (isOutputRange!(W, char))
{
import std.format : formattedWrite;
_date.toISOExtString(writer);
formattedWrite!("T%02d:%02d:%02d")(
writer,
_tod._hour,
_tod._minute,
_tod._second
);
}
///
@safe unittest
@safe pure nothrow unittest
{
assert(DateTime(Date(2010, 7, 4), TimeOfDay(7, 6, 12)).toISOExtString() ==
"2010-07-04T07:06:12");
@ -2922,28 +2952,43 @@ public:
/++
Converts this $(LREF DateTime) to a string with the format
YYYY-Mon-DD HH:MM:SS.
`YYYY-Mon-DD HH:MM:SS`. If `writer` is set, the resulting
string will be written directly to it.
Params:
writer = A `char` accepting
$(REF_ALTTEXT output range, isOutputRange, std, range, primitives)
Returns:
A `string` when not using an output range; `void` otherwise.
+/
string toSimpleString() const @safe pure nothrow
{
import std.format : format;
import std.array : appender;
auto w = appender!string();
w.reserve(22);
try
{
return format!("%s %02d:%02d:%02d")(
_date.toSimpleString(),
_tod._hour,
_tod._minute,
_tod._second
);
}
toSimpleString(w);
catch (Exception e)
{
assert(0, "format() threw.");
}
assert(0, "formattedWrite() threw.");
return w.data;
}
/// ditto
void toSimpleString(W)(ref W writer) const
if (isOutputRange!(W, char))
{
import std.format : formattedWrite;
_date.toSimpleString(writer);
formattedWrite!(" %02d:%02d:%02d")(
writer,
_tod._hour,
_tod._minute,
_tod._second
);
}
///
@safe unittest
@safe pure nothrow unittest
{
assert(DateTime(Date(2010, 7, 4), TimeOfDay(7, 6, 12)).toSimpleString() ==
"2010-Jul-04 07:06:12");
@ -3020,7 +3065,12 @@ public:
assert(idt.toString());
}
/// ditto
void toString(W)(ref W writer) const
if (isOutputRange!(W, char))
{
toSimpleString(writer);
}
/++
Creates a $(LREF DateTime) from a string with the format YYYYMMDDTHHMMSS.