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replaced popen and stdio functions with qse_pcp_t functions in StdAwk.cpp

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hyung-hwan
2009-01-17 08:57:27 +00:00
parent 07d8efa7c2
commit 6aac3f59cf
5 changed files with 85 additions and 87 deletions
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98
qse/lib/awk/StdAwk.cpp
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@ -19,6 +19,7 @@
#include <qse/awk/StdAwk.hpp>
#include <qse/cmn/str.h>
#include <qse/cmn/time.h>
#include <qse/cmn/pcp.h>
#include <qse/utl/stdio.h>
#include <stdlib.h>
@ -281,104 +282,57 @@ int StdAwk::system (Run& run, Return& ret, const Argument* args, size_t nargs,
int StdAwk::openPipe (Pipe& io)
{
Awk::Pipe::Mode mode = io.getMode();
FILE* fp = NULL;
qse_pcp_t* pcp = QSE_NULL;
int flags;
switch (mode)
{
case Awk::Pipe::READ:
fp = qse_popen (io.getName(), QSE_T("r"));
/* TODO: should we specify ERRTOOUT? */
flags = QSE_PCP_READOUT |
QSE_PCP_ERRTOOUT;
break;
case Awk::Pipe::WRITE:
fp = qse_popen (io.getName(), QSE_T("w"));
flags = QSE_PCP_WRITEIN;
break;
case Awk::Pipe::RW:
flags = QSE_PCP_READOUT |
QSE_PCP_ERRTOOUT |
QSE_PCP_WRITEIN;
break;
}
if (fp == NULL) return -1;
pcp = qse_pcp_open (
io.getAwk()->getMmgr(),
0,
io.getName(),
flags|QSE_PCP_TEXT|QSE_PCP_SHELL
);
if (pcp == QSE_NULL) return -1;
io.setHandle (fp);
io.setHandle (pcp);
return 1;
}
int StdAwk::closePipe (Pipe& io)
{
fclose ((FILE*)io.getHandle());
qse_pcp_close ((qse_pcp_t*)io.getHandle());
return 0;
}
StdAwk::ssize_t StdAwk::readPipe (Pipe& io, char_t* buf, size_t len)
{
FILE* fp = (FILE*)io.getHandle();
ssize_t n = 0;
while (n < (ssize_t)len)
{
qse_cint_t c = qse_fgetc (fp);
if (c == QSE_CHAR_EOF)
{
if (qse_ferror(fp)) n = -1;
break;
}
buf[n++] = c;
if (c == QSE_T('\n')) break;
}
return n;
return qse_pcp_read ((qse_pcp_t*)io.getHandle(), buf, len, QSE_PCP_OUT);
}
StdAwk::ssize_t StdAwk::writePipe (Pipe& io, char_t* buf, size_t len)
StdAwk::ssize_t StdAwk::writePipe (Pipe& io, const char_t* buf, size_t len)
{
FILE* fp = (FILE*)io.getHandle();
size_t left = len;
while (left > 0)
{
if (*buf == QSE_T('\0'))
{
#if defined(QSE_CHAR_IS_WCHAR) && defined(__linux)
if (fputc ('\0', fp) == EOF)
#else
if (qse_fputc (*buf, fp) == QSE_CHAR_EOF)
#endif
{
return -1;
}
left -= 1; buf += 1;
}
else
{
#if defined(QSE_CHAR_IS_WCHAR) && defined(__linux)
// fwprintf seems to return an error with the file
// pointer opened by popen, as of this writing.
// anyway, hopefully the following replacement
// will work all the way.
int chunk = (left > QSE_TYPE_MAX(int))? QSE_TYPE_MAX(int): (int)left;
int n = fprintf (fp, "%.*ls", chunk, buf);
if (n >= 0)
{
size_t x;
for (x = 0; x < chunk; x++)
{
if (buf[x] == QSE_T('\0')) break;
}
n = x;
}
#else
int chunk = (left > QSE_TYPE_MAX(int))? QSE_TYPE_MAX(int): (int)left;
int n = qse_fprintf (fp, QSE_T("%.*s"), chunk, buf);
#endif
if (n < 0 || n > chunk) return -1;
left -= n; buf += n;
}
}
return len;
return qse_pcp_write ((qse_pcp_t*)io.getHandle(), buf, len, QSE_PCP_IN);
}
int StdAwk::flushPipe (Pipe& io)
{
return ::fflush ((FILE*)io.getHandle());
return qse_pcp_flush ((qse_pcp_t*)io.getHandle(), QSE_PCP_IN);
}
// file io handlers
@ -433,7 +387,7 @@ StdAwk::ssize_t StdAwk::readFile (File& io, char_t* buf, size_t len)
return n;
}
StdAwk::ssize_t StdAwk::writeFile (File& io, char_t* buf, size_t len)
StdAwk::ssize_t StdAwk::writeFile (File& io, const char_t* buf, size_t len)
{
FILE* fp = (FILE*)io.getHandle();
size_t left = len;