mirror of
https://github.com/qpdf/qpdf.git
synced 2024-11-01 03:12:29 +00:00
118 lines
2.4 KiB
C++
118 lines
2.4 KiB
C++
#include <qpdf/Pl_Flate.hh>
|
|
#include <qpdf/Pl_StdioFile.hh>
|
|
#include <qpdf/QUtil.hh>
|
|
#include <qpdf/QPDF.hh>
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <iostream>
|
|
#include <stdlib.h>
|
|
#include <fcntl.h>
|
|
|
|
static char const* whoami = 0;
|
|
|
|
void usage()
|
|
{
|
|
std::cerr << "Usage: " << whoami << " { -uncompress | -compress[=n] }"
|
|
<< std::endl
|
|
<< "If n is specified with -compress, it is a"
|
|
<< " zlib compression level from" << std::endl
|
|
<< "1 to 9 where lower numbers are faster and"
|
|
<< " less compressed and higher" << std::endl
|
|
<< "numbers are slower and more compressed"
|
|
<< std::endl;
|
|
exit(2);
|
|
}
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
if ((whoami = strrchr(argv[0], '/')) == NULL)
|
|
{
|
|
whoami = argv[0];
|
|
}
|
|
else
|
|
{
|
|
++whoami;
|
|
}
|
|
// For libtool's sake....
|
|
if (strncmp(whoami, "lt-", 3) == 0)
|
|
{
|
|
whoami += 3;
|
|
}
|
|
|
|
if ((argc == 2) && (strcmp(argv[1], "--version") == 0))
|
|
{
|
|
std::cout << whoami << " from qpdf version "
|
|
<< QPDF::QPDFVersion() << std::endl;
|
|
exit(0);
|
|
}
|
|
|
|
if (argc != 2)
|
|
{
|
|
usage();
|
|
}
|
|
|
|
Pl_Flate::action_e action = Pl_Flate::a_inflate;
|
|
|
|
if ((strcmp(argv[1], "-uncompress") == 0))
|
|
{
|
|
// okay
|
|
}
|
|
else if ((strcmp(argv[1], "-compress") == 0))
|
|
{
|
|
action = Pl_Flate::a_deflate;
|
|
}
|
|
else if ((strncmp(argv[1], "-compress=", 10) == 0))
|
|
{
|
|
action = Pl_Flate::a_deflate;
|
|
int level = QUtil::string_to_int(argv[1] + 10);
|
|
Pl_Flate::setCompressionLevel(level);
|
|
}
|
|
else
|
|
{
|
|
usage();
|
|
}
|
|
|
|
QUtil::binary_stdout();
|
|
QUtil::binary_stdin();
|
|
PointerHolder<Pl_StdioFile> out = new Pl_StdioFile("stdout", stdout);
|
|
PointerHolder<Pl_Flate> flate =
|
|
new Pl_Flate("flate", out.getPointer(), action);
|
|
bool warn = false;
|
|
flate->setWarnCallback([&warn](char const* msg, int code) {
|
|
warn = true;
|
|
std::cerr << whoami << ": WARNING: zlib code " << code
|
|
<< ", msg = " << msg << std::endl;
|
|
});
|
|
|
|
try
|
|
{
|
|
unsigned char buf[10000];
|
|
bool done = false;
|
|
while (! done)
|
|
{
|
|
size_t len = fread(buf, 1, sizeof(buf), stdin);
|
|
if (len <= 0)
|
|
{
|
|
done = true;
|
|
}
|
|
else
|
|
{
|
|
flate->write(buf, len);
|
|
}
|
|
}
|
|
flate->finish();
|
|
}
|
|
catch (std::exception& e)
|
|
{
|
|
std::cerr << whoami << ": " << e.what() << std::endl;
|
|
exit(2);
|
|
}
|
|
|
|
if (warn)
|
|
{
|
|
exit(3);
|
|
}
|
|
return 0;
|
|
}
|