> OK. I will appreciate it if you can figure out the component() memeber
> function problem. If you can not, I will post to the boost
> mailinglist.
That function template needs to be instantiated explicitly. The
problem has been corrected, updated patch attached.
Bo
Index: src/lyxlex_pimpl.C
===================================================================
--- src/lyxlex_pimpl.C (revision 13701)
+++ src/lyxlex_pimpl.C (working copy)
@@ -144,14 +144,15 @@
// The check only outputs a debug message, because it triggers
// a bug in compaq cxx 6.2, where is_open() returns 'true' for
// a fresh new filebuf. (JMarc)
- if (gz_.is_open() || istream::off_type(is.tellg()) > -1)
+ if (!gz_.empty() || istream::off_type(is.tellg()) > -1)
lyxerr[Debug::LYXLEX] << "Error in LyXLex::setFile: "
"file or stream already set." << endl;
- gz_.open(filename.c_str(), ios::in);
+ gz_.push(io::gzip_decompressor());
+ gz_.push(io::file_source(filename));
is.rdbuf(&gz_);
name = filename;
lineno = 0;
- return gz_.is_open() && is.good();
+ return gz_.component<io::file_source>(1)->is_open() && is.good();
#else
return false;
#endif
Index: src/buffer.C
===================================================================
--- src/buffer.C (revision 13701)
+++ src/buffer.C (working copy)
@@ -69,7 +69,10 @@
#include "support/filetools.h"
#include "support/fs_extras.h"
#ifdef USE_COMPRESSION
-# include "support/gzstream.h"
+# include <boost/iostreams/filtering_stream.hpp>
+# include <boost/iostreams/filter/gzip.hpp>
+# include <boost/iostreams/device/file.hpp>
+namespace io = boost::iostreams;
#endif
#include "support/lyxlib.h"
#include "support/os.h"
@@ -735,7 +738,7 @@
if (params().compressed) {
#ifdef USE_COMPRESSION
- gz::ogzstream ofs(fname.c_str(), ios::out|ios::trunc);
+ io::filtering_ostream ofs(io::gzip_compressor() | io::file_sink(fname));
if (!ofs)
return false;
Index: src/lyxlex_pimpl.h
===================================================================
--- src/lyxlex_pimpl.h (revision 13701)
+++ src/lyxlex_pimpl.h (working copy)
@@ -15,7 +15,10 @@
#include "lyxlex.h"
#ifdef USE_COMPRESSION
-# include "support/gzstream.h"
+# include <boost/iostreams/filtering_streambuf.hpp>
+# include <boost/iostreams/filter/gzip.hpp>
+# include <boost/iostreams/device/file.hpp>
+namespace io = boost::iostreams;
#endif
#include <boost/utility.hpp>
@@ -63,7 +66,7 @@
#ifdef USE_COMPRESSION
/// gz_ is only used to open files, the stream is accessed through is.
- gz::gzstreambuf gz_;
+ io::filtering_istreambuf gz_;
#endif
/// the stream that we use.
Index: src/Makefile.am
===================================================================
--- src/Makefile.am (revision 13701)
+++ src/Makefile.am (working copy)
@@ -25,7 +25,7 @@
graphics/libgraphics.la \
support/libsupport.la
-BOOST_LIBS = $(BOOST_REGEX) $(BOOST_SIGNALS) $(BOOST_FILESYSTEM)
+BOOST_LIBS = $(BOOST_REGEX) $(BOOST_SIGNALS) $(BOOST_FILESYSTEM) $(BOOST_IOSTREAMS)
OTHERLIBS = $(BOOST_LIBS) $(INTLLIBS) $(AIKSAURUS_LIBS) @LIBS@ $(SOCKET_LIBS)
Index: src/support/gzstream.h
===================================================================
--- src/support/gzstream.h (revision 13701)
+++ src/support/gzstream.h (working copy)
@@ -1,125 +0,0 @@
-// ============================================================================
-// gzstream, C++ iostream classes wrapping the zlib compression library.
-// Copyright (C) 2001 Deepak Bandyopadhyay, Lutz Kettner
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License, or (at your option) any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-// ============================================================================
-//
-// File : gzstream.h
-// Revision : $Revision: 1.2 $
-// Revision_date : $Date: 2005/04/26 10:30:24 $
-// Author(s) : Deepak Bandyopadhyay, Lutz Kettner
-//
-// Standard streambuf implementation following Nicolai Josuttis, "The
-// Standard C++ Library".
-// ============================================================================
-
-#ifndef GZSTREAM_H
-#define GZSTREAM_H 1
-
-// standard C++ with new header file names and std:: namespace
-#include <iostream>
-#include <fstream>
-#ifdef HAVE_ZLIB_H
-# include <zlib.h>
-#endif
-
-// For LyX
-#define GZSTREAM_NAMESPACE gz
-
-#ifdef GZSTREAM_NAMESPACE
-namespace GZSTREAM_NAMESPACE {
-#endif
-
-// ----------------------------------------------------------------------------
-// Internal classes to implement gzstream. See below for user classes.
-// ----------------------------------------------------------------------------
-
-class gzstreambuf : public std::streambuf {
-private:
- static const int bufferSize = 47+256; // size of data buff
- // totals 512 bytes under g++ for igzstream at the end.
-
- gzFile file; // file handle for compressed file
- char buffer[bufferSize]; // data buffer
- char opened; // open/close state of stream
- int mode; // I/O mode
-
- int flush_buffer();
-public:
- gzstreambuf() : opened(0) {
- setp( buffer, buffer + (bufferSize-1));
- setg( buffer + 4, // beginning of putback area
- buffer + 4, // read position
- buffer + 4); // end position
- // ASSERT: both input & output capabilities will not be used together
- }
- int is_open() { return opened; }
- gzstreambuf* open( const char* name, int open_mode);
- gzstreambuf* close();
- ~gzstreambuf() { close(); }
-
- virtual int overflow( int c = EOF);
- virtual int underflow();
- virtual int sync();
-};
-
-class gzstreambase : virtual public std::ios {
-protected:
- gzstreambuf buf;
-public:
- gzstreambase() { init(&buf); }
- gzstreambase( const char* name, int open_mode);
- ~gzstreambase();
- void open( const char* name, int open_mode);
- void close();
- gzstreambuf* rdbuf() { return &buf; }
-};
-
-// ----------------------------------------------------------------------------
-// User classes. Use igzstream and ogzstream analogously to ifstream and
-// ofstream respectively. They read and write files based on the gz*
-// function interface of the zlib. Files are compatible with gzip compression.
-// ----------------------------------------------------------------------------
-
-class igzstream : public gzstreambase, public std::istream {
-public:
- igzstream() : std::istream( &buf) {}
- igzstream( const char* name, int open_mode = std::ios::in)
- : gzstreambase( name, open_mode), std::istream( &buf) {}
- gzstreambuf* rdbuf() { return gzstreambase::rdbuf(); }
- void open( const char* name, int open_mode = std::ios::in) {
- gzstreambase::open( name, open_mode);
- }
-};
-
-class ogzstream : public gzstreambase, public std::ostream {
-public:
- ogzstream() : std::ostream( &buf) {}
- ogzstream( const char* name, int mode = std::ios::out)
- : gzstreambase( name, mode), std::ostream( &buf) {}
- gzstreambuf* rdbuf() { return gzstreambase::rdbuf(); }
- void open( const char* name, int open_mode = std::ios::out) {
- gzstreambase::open( name, open_mode);
- }
-};
-
-#ifdef GZSTREAM_NAMESPACE
-} // namespace GZSTREAM_NAMESPACE
-#endif
-
-#endif // GZSTREAM_H
-// ============================================================================
-// EOF //
Index: src/support/Makefile.am
===================================================================
--- src/support/Makefile.am (revision 13701)
+++ src/support/Makefile.am (working copy)
@@ -9,10 +9,6 @@
noinst_LTLIBRARIES = libsupport.la
-if USE_COMPRESSION
-COMPRESSION = gzstream.C gzstream.h
-endif
-
BUILT_SOURCES = $(PCH_FILE) package.C
AM_CPPFLAGS += $(PCH_FLAGS) -I$(srcdir)/.. $(BOOST_INCLUDES)
@@ -46,7 +42,7 @@
fs_extras.C \
fs_extras.h \
getcwd.C \
- $(COMPRESSION) kill.C \
+ kill.C \
limited_stack.h \
lstrings.C \
lstrings.h \
Index: src/support/gzstream.C
===================================================================
--- src/support/gzstream.C (revision 13701)
+++ src/support/gzstream.C (working copy)
@@ -1,169 +0,0 @@
-// ============================================================================
-// gzstream, C++ iostream classes wrapping the zlib compression library.
-// Copyright (C) 2001 Deepak Bandyopadhyay, Lutz Kettner
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License, or (at your option) any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-// ============================================================================
-//
-// File : gzstream.C
-// Revision : $Revision: 1.4 $
-// Revision_date : $Date: 2005/04/26 10:30:24 $
-// Author(s) : Deepak Bandyopadhyay, Lutz Kettner
-//
-// Standard streambuf implementation following Nicolai Josuttis, "The
-// Standard C++ Library".
-// ============================================================================
-
-#include <config.h>
-
-#include "gzstream.h"
-#include <iostream>
-#ifdef HAVE_STRING_H
-# include <string.h> // for memcpy
-#endif
-
-#ifdef GZSTREAM_NAMESPACE
-namespace GZSTREAM_NAMESPACE {
-#endif
-
-// ----------------------------------------------------------------------------
-// Internal classes to implement gzstream. See header file for user classes.
-// ----------------------------------------------------------------------------
-
-// --------------------------------------
-// class gzstreambuf:
-// --------------------------------------
-
-gzstreambuf* gzstreambuf::open( const char* name, int open_mode) {
- if ( is_open())
- return (gzstreambuf*)0;
- mode = open_mode;
- // no append nor read/write mode
- if ((mode & std::ios::ate) || (mode & std::ios::app)
- || ((mode & std::ios::in) && (mode & std::ios::out)))
- return (gzstreambuf*)0;
- char fmode[10];
- char* fmodeptr = fmode;
- if ( mode & std::ios::in)
- *fmodeptr++ = 'r';
- else if ( mode & std::ios::out)
- *fmodeptr++ = 'w';
- *fmodeptr++ = 'b';
- *fmodeptr = '\0';
- file = gzopen( name, fmode);
- if (file == 0)
- return (gzstreambuf*)0;
- opened = 1;
- return this;
-}
-
-gzstreambuf * gzstreambuf::close() {
- if ( is_open()) {
- sync();
- opened = 0;
- if ( gzclose( file) == Z_OK)
- return this;
- }
- return (gzstreambuf*)0;
-}
-
-int gzstreambuf::underflow() { // used for input buffer only
- if ( gptr() && ( gptr() < egptr()))
- return * reinterpret_cast<unsigned char *>( gptr());
-
- if ( ! (mode & std::ios::in) || ! opened)
- return EOF;
- // Josuttis' implementation of inbuf
- int n_putback = gptr() - eback();
- if ( n_putback > 4)
- n_putback = 4;
- memcpy( buffer + (4 - n_putback), gptr() - n_putback, n_putback);
-
- int num = gzread( file, buffer+4, bufferSize-4);
- if (num <= 0) // ERROR or EOF
- return EOF;
-
- // reset buffer pointers
- setg( buffer + (4 - n_putback), // beginning of putback area
- buffer + 4, // read position
- buffer + 4 + num); // end of buffer
-
- // return next character
- return * reinterpret_cast<unsigned char *>( gptr());
-}
-
-int gzstreambuf::flush_buffer() {
- // Separate the writing of the buffer from overflow() and
- // sync() operation.
- int w = pptr() - pbase();
- if ( gzwrite( file, pbase(), w) != w)
- return EOF;
- pbump( -w);
- return w;
-}
-
-int gzstreambuf::overflow( int c) { // used for output buffer only
- if ( ! ( mode & std::ios::out) || ! opened)
- return EOF;
- if (c != EOF) {
- *pptr() = c;
- pbump(1);
- }
- if ( flush_buffer() == EOF)
- return EOF;
- return c;
-}
-
-int gzstreambuf::sync() {
- // Changed to use flush_buffer() instead of overflow( EOF)
- // which caused improper behavior with std::endl and flush(),
- // bug reported by Vincent Ricard.
- if ( pptr() && pptr() > pbase()) {
- if ( flush_buffer() == EOF)
- return -1;
- }
- return 0;
-}
-
-// --------------------------------------
-// class gzstreambase:
-// --------------------------------------
-
-gzstreambase::gzstreambase( const char* name, int mode) {
- init( &buf);
- open( name, mode);
-}
-
-gzstreambase::~gzstreambase() {
- buf.close();
-}
-
-void gzstreambase::open( const char* name, int open_mode) {
- if ( ! buf.open( name, open_mode))
- clear( rdstate() | std::ios::badbit);
-}
-
-void gzstreambase::close() {
- if ( buf.is_open())
- if ( ! buf.close())
- clear( rdstate() | std::ios::badbit);
-}
-
-#ifdef GZSTREAM_NAMESPACE
-} // namespace GZSTREAM_NAMESPACE
-#endif
-
-// ============================================================================
-// EOF //
Index: src/tex2lyx/Makefile.am
===================================================================
--- src/tex2lyx/Makefile.am (revision 13701)
+++ src/tex2lyx/Makefile.am (working copy)
@@ -18,7 +18,7 @@
AM_CPPFLAGS += $(PCH_FLAGS) -I$(srcdir)/.. $(BOOST_INCLUDES)
-BOOST_LIBS = $(BOOST_REGEX) $(BOOST_FILESYSTEM)
+BOOST_LIBS = $(BOOST_REGEX) $(BOOST_FILESYSTEM) $(BOOST_IOSTREAMS)
if USE_COMPRESSION
COMPRESSIONLIB = -lz
Index: config/common.am
===================================================================
--- config/common.am (revision 13701)
+++ config/common.am (working copy)
@@ -33,11 +33,13 @@
BOOST_FILESYSTEM = $(top_builddir)/boost/libs/filesystem/src/libboost_filesystem.la
BOOST_REGEX = $(top_builddir)/boost/libs/regex/src/libboost_regex.la
BOOST_SIGNALS = $(top_builddir)/boost/libs/signals/src/libboost_signals.la
+BOOST_IOSTREAMS = $(top_builddir)/boost/libs/iostreams/src/libboost_iostreams.la
else
BOOST_INCLUDES =
BOOST_FILESYSTEM = -lboost_filesystem
BOOST_REGEX = -lboost_regex
BOOST_SIGNALS = -lboost_signals
+BOOST_IOSTREAMS = -lboost_iostreams
endif
LIBS =
