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Add QPDF::processFile that takes an open FILE*

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This commit is contained in:
Jay Berkenbilt 2012-06-21 07:59:56 -04:00
parent ed6a56a3cd
commit bc1c4bb578
5 changed files with 58 additions and 3 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2012-06-21 Jay Berkenbilt <ejb@ql.org>
* libqpdf/QPDF.cc: new processFile method that takes an open FILE*
instead of a filename.
2012-06-20 Jay Berkenbilt <ejb@ql.org>
* Add new array mutation routines to QPDFObjectHandle.

10
include/qpdf/QPDF.hh
View File

@ -52,6 +52,14 @@ class QPDF
QPDF_DLL
void processFile(char const* filename, char const* password = 0);
// Parse a PDF from a stdio FILE*. The FILE must be open in
// binary mode and must be seekable. It may be open read only.
// This works exactly like processFile except that the PDF file is
// read from an already opened FILE*. The caller is responsible
// for closing the file.
QPDF_DLL
void processFile(FILE* file, char const* password = 0);
// Parse a PDF file loaded into a memory buffer. This works
// exactly like processFile except that the PDF file is in memory
// instead of on disk. The description appears in any warning or
@ -400,6 +408,7 @@ class QPDF
public:
FileInputSource();
void setFilename(char const* filename);
void setFile(FILE* filep);
virtual ~FileInputSource();
virtual std::string const& getName() const;
virtual off_t tell();
@ -414,6 +423,7 @@ class QPDF
void destroy();
bool close_file;
std::string filename;
FILE* file;
};

23
libqpdf/QPDF.cc
View File

@ -80,6 +80,7 @@ QPDF::InputSource::readLine()
}
QPDF::FileInputSource::FileInputSource() :
close_file(false),
file(0)
{
}
@ -89,10 +90,21 @@ QPDF::FileInputSource::setFilename(char const* filename)
{
destroy();
this->filename = filename;
this->close_file = true;
this->file = QUtil::fopen_wrapper(std::string("open ") + this->filename,
fopen(this->filename.c_str(), "rb"));
}
void
QPDF::FileInputSource::setFile(FILE* f)
{
destroy();
this->filename = "stdio FILE";
this->close_file = false;
this->file = f;
this->seek(0, SEEK_SET);
}
QPDF::FileInputSource::~FileInputSource()
{
destroy();
@ -101,7 +113,7 @@ QPDF::FileInputSource::~FileInputSource()
void
QPDF::FileInputSource::destroy()
{
if (this->file)
if (this->file && this->close_file)
{
fclose(this->file);
this->file = 0;
@ -316,6 +328,15 @@ QPDF::processFile(char const* filename, char const* password)
parse(password);
}
void
QPDF::processFile(FILE* filep, char const* password)
{
FileInputSource* fi = new FileInputSource();
this->file = fi;
fi->setFile(filep);
parse(password);
}
void
QPDF::processMemoryFile(char const* description,
char const* buf, size_t length,

3
qpdf/qpdf.testcov
View File

@ -200,3 +200,6 @@ qpdf-c set_info_key to null 0
qpdf-c set-info-key use existing info 0
qpdf-c add info to trailer 0
qpdf-c called qpdf_init_write_memory 0
exercise processFile(name) 0
exercise processFile(FILE*) 0
exercise processMemoryFile 0

20
qpdf/test_driver.cc
View File

@ -60,17 +60,29 @@ void runtest(int n, char const* filename)
{
QPDF pdf;
PointerHolder<char> file_buf;
FILE* filep = 0;
if (n == 0)
{
pdf.setAttemptRecovery(false);
}
if (n % 2 == 0)
{
pdf.processFile(filename);
if (n % 4 == 0)
{
QTC::TC("qpdf", "exercise processFile(name)");
pdf.processFile(filename);
}
else
{
QTC::TC("qpdf", "exercise processFile(FILE*)");
filep = QUtil::fopen_wrapper(std::string("open ") + filename,
fopen(filename, "rb"));
pdf.processFile(filep);
}
}
else
{
// Exercise processMemoryFile
QTC::TC("qpdf", "exercise processMemoryFile");
FILE* f = QUtil::fopen_wrapper(std::string("open ") + filename,
fopen(filename, "rb"));
fseek(f, 0, SEEK_END);
@ -623,6 +635,10 @@ void runtest(int n, char const* filename)
QUtil::int_to_string(n));
}
if (filep)
{
fclose(filep);
}
std::cout << "test " << n << " done" << std::endl;
}