/**
- * \file GraphicsConverter.C
- * Copyright 2002 the LyX Team
- * Read the file COPYING
+ * \file GraphicsConverter.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * \author Angus Leeming <leeming@lyx.org>
+ * \author Angus Leeming
+ *
+ * Full author contact details are available in file CREDITS.
*/
#include <config.h>
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
#include "GraphicsConverter.h"
#include "converter.h"
#include "debug.h"
+#include "format.h"
#include "support/filetools.h"
-#include "support/forkedcall.h"
+#include "support/forkedcallqueue.h"
+#include "support/tostr.h"
+#include "support/lstrings.h"
#include "support/lyxlib.h"
#include <boost/bind.hpp>
-#include <boost/signals/trackable.hpp>
-#include "Lsstream.h"
-#include "support/LOstream.h"
+#include "support/std_sstream.h"
#include <fstream>
-#include <sys/types.h> // needed for pid_t
+
+namespace support = lyx::support;
+
+using support::ChangeExtension;
+using support::Forkedcall;
+using support::ForkedCallQueue;
+using support::LibFileSearch;
+using support::LibScriptSearch;
+using support::OnlyPath;
+using support::OnlyFilename;
+using support::QuoteName;
+using support::subst;
+using support::tempName;
+using support::unlink;
using std::endl;
using std::ostream;
+using std::ostringstream;
-namespace grfx {
+
+namespace lyx {
+namespace graphics {
struct Converter::Impl : public boost::signals::trackable {
///
* Cleans-up the temporary files, emits the finishedConversion
* signal and removes the Converter from the list of all processes.
*/
- void converted(string const & cmd, pid_t pid, int retval);
+ void converted(pid_t pid, int retval);
/** At the end of the conversion process inform the outside world
* by emitting a signal.
{}
+// Empty d-tor out-of-line to keep boost::scoped_ptr happy.
Converter::~Converter()
{}
return pimpl_->finished_ ? pimpl_->to_file_ : empty;
}
-} // namespace grfx
+} // namespace graphics
+} // namespace lyx
+
//------------------------------
// Implementation details follow
} // namespace anon
-namespace grfx {
+namespace lyx {
+namespace graphics {
Converter::Impl::Impl(string const & from_file, string const & to_file_base,
string const & from_format, string const & to_format)
<< "\n\tfrom_format: " << from_format
<< "\n\tto_format: " << to_format << endl;
+ // The converted image is to be stored in this file (we do not
+ // use ChangeExtension because this is a basename which may
+ // nevertheless contain a '.')
+ to_file_ = to_file_base + '.' + formats.extension(to_format);
+
// The conversion commands are stored in a stringstream
ostringstream script;
script << "#!/bin/sh\n";
bool const success = build_script(from_file, to_file_base,
from_format, to_format, script);
- // The converted image is to be stored in this file
- to_file_ = ChangeExtension(to_file_base, formats.extension(to_format));
-
if (!success) {
- script_file_ = string();
- if (from_format == "lyxpreview") {
- script_command_ =
- LibFileSearch("scripts", "lyxpreview2xpm.sh")
- + " " +from_file + " " + to_file_;
- lyxerr[Debug::GRAPHICS]
- << "\tI use lyxpreview2xpm for the conversion\n\t"
- << script_command_ << endl;
- } else {
- script_command_ =
- LibFileSearch("scripts", "convertDefault.sh") +
- ' ' + from_format + ':' + from_file + ' ' +
- to_format + ':' + to_file_;
- lyxerr[Debug::GRAPHICS]
- << "\tNo converter defined! I use convertDefault.sh\n\t"
- << script_command_ << endl;
- }
+ script_command_ =
+ "sh " + LibFileSearch("scripts", "convertDefault.sh") +
+ ' ' + from_format + ':' + from_file + ' ' +
+ to_format + ':' + to_file_;
+
+ lyxerr[Debug::GRAPHICS]
+ << "\tNo converter defined! I use convertDefault.sh\n\t"
+ << script_command_ << endl;
+
} else {
lyxerr[Debug::GRAPHICS] << "\tConversion script:"
- << "\n--------------------------------------\n"
- << script.str().c_str()
- << "\n--------------------------------------\n";
+ << "\n--------------------------------------\n"
+ << script.str()
+ << "\n--------------------------------------\n";
// Output the script to file.
static int counter = 0;
if (!fs.good())
return;
- fs << script.str().c_str();
+ fs << script.str();
fs.close();
// The command needed to run the conversion process
// We create a dummy command for ease of understanding of the
// list of forked processes.
- // Note that 'sh ' is absolutely essential, or execvp will fail.
- script_command_ = "sh " + script_file_ + " " +
- OnlyFilename(from_file) + " " + to_format;
+ // Note: 'sh ' is absolutely essential, or execvp will fail.
+ script_command_ = "sh " + script_file_ + ' ' +
+ OnlyFilename(from_file) + ' ' + to_format;
}
// All is ready to go
valid_process_ = true;
void Converter::Impl::startConversion()
{
if (!valid_process_) {
- converted(string(), 0, 1);
+ converted(0, 1);
return;
}
- // Initiate the conversion
- Forkedcall::SignalTypePtr convert_ptr;
- convert_ptr.reset(new Forkedcall::SignalType);
+ Forkedcall::SignalTypePtr
+ ptr = ForkedCallQueue::get().add(script_command_);
- convert_ptr->connect(
- boost::bind(&Impl::converted, this, _1, _2, _3));
+ ptr->connect(boost::bind(&Impl::converted, this, _1, _2));
- Forkedcall call;
- int retval = call.startscript(script_command_, convert_ptr);
- if (retval > 0) {
- // Unable to even start the script, so clean-up the mess!
- converted(string(), 0, 1);
- }
}
-
-void Converter::Impl::converted(string const & /* cmd */,
- pid_t /* pid */, int retval)
+void Converter::Impl::converted(pid_t /* pid */, int retval)
{
if (finished_)
// We're done already!
finished_ = true;
// Clean-up behind ourselves
- lyx::unlink(script_file_);
+ unlink(script_file_);
if (retval > 0) {
- lyx::unlink(to_file_);
+ unlink(to_file_);
to_file_.erase();
finishedConversion(false);
} else {
}
}
-} // namespace grfx
+} // namespace graphics
+} // namespace lyx
namespace {
ostringstream command;
command << "fromfile=" << from_file << "\n"
<< "tofile=" << to_file << "\n\n"
- << "'mv' -f ${fromfile} ${tofile}\n"
- << "if [ $? -ne 0 ]; then\n"
- << "\t'cp' -f ${fromfile} ${tofile}\n"
- << "\tif [ $? -ne 0 ]; then\n"
+ << "'mv' -f ${fromfile} ${tofile} ||\n"
+ << "{\n"
+ << "\t'cp' -f ${fromfile} ${tofile} ||\n"
+ << "\t{\n"
<< "\t\texit 1\n"
- << "\tfi\n"
+ << "\t}\n"
<< "\t'rm' -f ${fromfile}\n"
- << "fi\n";
+ << "}\n";
- return command.str().c_str();
+ return command.str();
}
lyxerr[Debug::GRAPHICS] << "build_script ... ";
typedef Converters::EdgePath EdgePath;
- string const to_file = ChangeExtension(to_file_base,
- formats.extension(to_format));
+ // we do not use ChangeExtension because this is a basename
+ // which may nevertheless contain a '.'
+ string const to_file = to_file_base + '.'
+ + formats.extension(to_format);
if (from_format == to_format) {
script << move_file(QuoteName(from_file), QuoteName(to_file));
// Remember to remove the temp file because we only want the name...
static int counter = 0;
string const tmp = "gconvert" + tostr(counter++);
- string const to_base = lyx::tempName(string(), tmp);
- lyx::unlink(to_base);
+ string const to_base = tempName(string(), tmp);
+ unlink(to_base);
string outfile = from_file;
command = LibScriptSearch(command);
// Store in the shell script
- script << "\n" << command << "\n\n";
+ script << "\n" << command << " ||\n";
// Test that this was successful. If not, remove
// ${outfile} and exit the shell script
- script << "if [ $? -ne 0 ]; then\n"
+ script << "{\n"
<< "\t'rm' -f ${outfile}\n"
<< "\texit 1\n"
- << "fi\n\n";
+ << "}\n\n";
// Test that the outfile exists.
// ImageMagick's convert will often create ${outfile}.0,
projects / lyx.git / blobdiff