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Introduce ctl::to_string()

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This commit is contained in:
Justine Tunney 2024-07-01 05:40:38 -07:00
parent acbabedf27
commit e627bfa359
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GPG key ID: BE714B4575D6E328
11 changed files with 432 additions and 40 deletions
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73
ctl/ostream.cc
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@ -17,11 +17,15 @@
// PERFORMANCE OF THIS SOFTWARE.
#include "ostream.h"
#include "dubble.h"
#include "libc/fmt/itoa.h"
#include "libc/stdio/stdio.h"
#include "string_view.h"
namespace ctl {
extern const double_conversion::DoubleToStringConverter kDoubleToPrintfG;
ostream cout(stdout);
ostream cerr(stderr);
@ -50,7 +54,7 @@ ostream&
ostream::operator<<(const char* str)
{
if (good() && str)
if (fprintf(file_, "%s", str) < 0)
if (fputs(str, file_) < 0)
setstate(badbit);
return *this;
}
@ -67,35 +71,84 @@ ostream::operator<<(char c)
ostream&
ostream::operator<<(int n)
{
if (good())
if (fprintf(file_, "%d", n) < 0)
if (good()) {
char buf[12];
FormatInt32(buf, n);
if (fputs(buf, file_) < 0)
setstate(badbit);
}
return *this;
}
ostream&
ostream::operator<<(unsigned n)
{
if (good()) {
char buf[12];
FormatUint32(buf, n);
if (fputs(buf, file_) < 0)
setstate(badbit);
}
return *this;
}
ostream&
ostream::operator<<(long n)
{
if (good())
if (fprintf(file_, "%ld", n) < 0)
if (good()) {
char buf[21];
FormatInt64(buf, n);
if (fputs(buf, file_) < 0)
setstate(badbit);
}
return *this;
}
ostream&
ostream::operator<<(unsigned long n)
{
if (good()) {
char buf[21];
FormatUint64(buf, n);
if (fputs(buf, file_) < 0)
setstate(badbit);
}
return *this;
}
ostream&
ostream::operator<<(float f)
{
if (good()) {
char buf[128];
double_conversion::StringBuilder b(buf, sizeof(buf));
kDoubleToPrintfG.ToShortestSingle(f, &b);
b.Finalize();
if (fputs(buf, file_) < 0)
setstate(badbit);
}
return *this;
}
ostream&
ostream::operator<<(double d)
{
if (good())
if (fprintf(file_, "%f", d) < 0)
if (good()) {
char buf[128];
double_conversion::StringBuilder b(buf, sizeof(buf));
kDoubleToPrintfG.ToShortest(d, &b);
b.Finalize();
if (fputs(buf, file_) < 0)
setstate(badbit);
}
return *this;
}
ostream&
ostream::operator<<(const string_view& s)
{
if (good())
if (fprintf(file_, "%.*s", (int)s.size(), s.data()) < 0)
if (good() && s.size())
if (!fwrite(s.data(), s.size(), 1, file_))
setstate(badbit);
return *this;
}
@ -106,7 +159,7 @@ ostream::operator<<(bool b)
if (good()) {
const char* value =
(flags() & boolalpha) ? (b ? "true" : "false") : (b ? "1" : "0");
if (fprintf(file_, "%s", value) < 0)
if (fputs(value, file_) < 0)
setstate(badbit);
}
return *this;