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Diffstat (limited to 'tdeioslave/man/kio_man.cpp')
| -rw-r--r-- | tdeioslave/man/kio_man.cpp | 1533 |
1 files changed, 1533 insertions, 0 deletions
diff --git a/tdeioslave/man/kio_man.cpp b/tdeioslave/man/kio_man.cpp new file mode 100644 index 000000000..d2ef8cb94 --- /dev/null +++ b/tdeioslave/man/kio_man.cpp @@ -0,0 +1,1533 @@ +/* This file is part of the KDE libraries + Copyright (c) 2000 Matthias Hoelzer-Kluepfel <mhk@caldera.de> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ +#include <stdio.h> +#include <stdlib.h> +#include <sys/stat.h> +#include <string.h> +#include <dirent.h> + +#include <tqdir.h> +#include <tqfile.h> +#include <tqtextstream.h> +#include <tqdatastream.h> +#include <tqcstring.h> +#include <tqptrlist.h> +#include <tqmap.h> +#include <tqregexp.h> + +#include <kdebug.h> +#include <kinstance.h> +#include <kglobal.h> +#include <kstandarddirs.h> +#include <kprocess.h> +#include <klocale.h> +#include <kmimetype.h> + +#include "kio_man.h" +#include "kio_man.moc" +#include "man2html.h" +#include <assert.h> +#include <kfilterbase.h> +#include <kfilterdev.h> + +using namespace TDEIO; + +MANProtocol *MANProtocol::_self = 0; + +#define SGML2ROFF_DIRS "/usr/lib/sgml" + +/* + * Drop trailing ".section[.gz]" from name + */ +static +void stripExtension( TQString *name ) +{ + int pos = name->length(); + + if ( name->find(".gz", -3) != -1 ) + pos -= 3; + else if ( name->find(".z", -2, false) != -1 ) + pos -= 2; + else if ( name->find(".bz2", -4) != -1 ) + pos -= 4; + else if ( name->find(".bz", -3) != -1 ) + pos -= 3; + + if ( pos > 0 ) + pos = name->findRev('.', pos-1); + + if ( pos > 0 ) + name->truncate( pos ); +} + +static +bool parseUrl(const TQString& _url, TQString &title, TQString §ion) +{ + section = TQString::null; + + TQString url = _url; + if (url.at(0) == '/') { + if (KStandardDirs::exists(url)) { + title = url; + return true; + } else + { + // If the directory does not exist, then it is perhaps a normal man page + kdDebug(7107) << url << " does not exist" << endl; + } + } + + while (url.at(0) == '/') + url.remove(0,1); + + title = url; + + int pos = url.find('('); + if (pos < 0) + return true; + + title = title.left(pos); + + section = url.mid(pos+1); + section = section.left(section.length()-1); + + return true; +} + + +MANProtocol::MANProtocol(const TQCString &pool_socket, const TQCString &app_socket) + : TQObject(), SlaveBase("man", pool_socket, app_socket) +{ + assert(!_self); + _self = this; + const TQString common_dir = TDEGlobal::dirs()->findResourceDir( "html", "en/common/kde-common.css" ); + const TQString strPath=TQString( "file:%1/en/common" ).arg( common_dir ); + m_htmlPath=strPath.local8Bit(); // ### TODO encode for HTML + m_cssPath=strPath.local8Bit(); // ### TODO encode for CSS + section_names << "1" << "2" << "3" << "3n" << "3p" << "4" << "5" << "6" << "7" + << "8" << "9" << "l" << "n"; + m_manCSSFile = locate( "data", "kio_man/tdeio_man.css" ); +} + +MANProtocol *MANProtocol::self() { return _self; } + +MANProtocol::~MANProtocol() +{ + _self = 0; +} + +void MANProtocol::parseWhatIs( TQMap<TQString, TQString> &i, TQTextStream &t, const TQString &mark ) +{ + TQRegExp re( mark ); + TQString l; + while ( !t.atEnd() ) + { + l = t.readLine(); + int pos = re.search( l ); + if (pos != -1) + { + TQString names = l.left(pos); + TQString descr = l.mid(pos + re.matchedLength()); + while ((pos = names.find(",")) != -1) + { + i[names.left(pos++)] = descr; + while (names[pos] == ' ') + pos++; + names = names.mid(pos); + } + i[names] = descr; + } + } +} + +bool MANProtocol::addWhatIs(TQMap<TQString, TQString> &i, const TQString &name, const TQString &mark) +{ + TQFile f(name); + if (!f.open(IO_ReadOnly)) + return false; + TQTextStream t(&f); + parseWhatIs( i, t, mark ); + return true; +} + +TQMap<TQString, TQString> MANProtocol::buildIndexMap(const TQString §ion) +{ + TQMap<TQString, TQString> i; + TQStringList man_dirs = manDirectories(); + // Supplementary places for whatis databases + man_dirs += m_mandbpath; + if (man_dirs.find("/var/cache/man")==man_dirs.end()) + man_dirs << "/var/cache/man"; + if (man_dirs.find("/var/catman")==man_dirs.end()) + man_dirs << "/var/catman"; + + TQStringList names; + names << "whatis.db" << "whatis"; + TQString mark = "\\s+\\(" + section + "[a-z]*\\)\\s+-\\s+"; + + for ( TQStringList::ConstIterator it_dir = man_dirs.begin(); + it_dir != man_dirs.end(); + ++it_dir ) + { + if ( TQFile::exists( *it_dir ) ) { + TQStringList::ConstIterator it_name; + for ( it_name = names.begin(); + it_name != names.end(); + it_name++ ) + { + if (addWhatIs(i, (*it_dir) + "/" + (*it_name), mark)) + break; + } + if ( it_name == names.end() ) { + TDEProcess proc; + proc << "whatis" << "-M" << (*it_dir) << "-w" << "*"; + myStdStream = TQString::null; + connect( &proc, TQT_SIGNAL( receivedStdout(TDEProcess *, char *, int ) ), + TQT_SLOT( slotGetStdOutput( TDEProcess *, char *, int ) ) ); + proc.start( TDEProcess::Block, TDEProcess::Stdout ); + TQTextStream t( &myStdStream, IO_ReadOnly ); + parseWhatIs( i, t, mark ); + } + } + } + return i; +} + +TQStringList MANProtocol::manDirectories() +{ + checkManPaths(); + // + // Build a list of man directories including translations + // + TQStringList man_dirs; + + for ( TQStringList::ConstIterator it_dir = m_manpath.begin(); + it_dir != m_manpath.end(); + it_dir++ ) + { + // Translated pages in "<mandir>/<lang>" if the directory + // exists + TQStringList languages = TDEGlobal::locale()->languageList(); + + for (TQStringList::ConstIterator it_lang = languages.begin(); + it_lang != languages.end(); + it_lang++ ) + { + if ( !(*it_lang).isEmpty() && (*it_lang) != TQString("C") ) { + TQString dir = (*it_dir) + '/' + (*it_lang); + + struct stat sbuf; + + if ( ::stat( TQFile::encodeName( dir ), &sbuf ) == 0 + && S_ISDIR( sbuf.st_mode ) ) + { + const TQString p = TQDir(dir).canonicalPath(); + if (!man_dirs.contains(p)) man_dirs += p; + } + } + } + + // Untranslated pages in "<mandir>" + const TQString p = TQDir(*it_dir).canonicalPath(); + if (!man_dirs.contains(p)) man_dirs += p; + } + return man_dirs; +} + +TQStringList MANProtocol::findPages(const TQString &_section, + const TQString &title, + bool full_path) +{ + TQString section = _section; + + TQStringList list; + + // kdDebug() << "findPages '" << section << "' '" << title << "'\n"; + if (title.at(0) == '/') { + list.append(title); + return list; + } + + const TQString star( "*" ); + + // + // Find man sections in this directory + // + TQStringList sect_list; + if ( section.isEmpty() ) + section = star; + + if ( section != star ) + { + // + // Section given as argument + // + sect_list += section; + while (section.at(section.length() - 1).isLetter()) { + section.truncate(section.length() - 1); + sect_list += section; + } + } else { + sect_list += section; + } + + TQStringList man_dirs = manDirectories(); + + // + // Find man pages in the sections listed above + // + for ( TQStringList::ConstIterator it_sect = sect_list.begin(); + it_sect != sect_list.end(); + it_sect++ ) + { + TQString it_real = (*it_sect).lower(); + // + // Find pages + // + for ( TQStringList::ConstIterator it_dir = man_dirs.begin(); + it_dir != man_dirs.end(); + it_dir++ ) + { + TQString man_dir = (*it_dir); + + // + // Sections = all sub directories "man*" and "sman*" + // + DIR *dp = ::opendir( TQFile::encodeName( man_dir ) ); + + if ( !dp ) + continue; + + struct dirent *ep; + + const TQString man = TQString("man"); + const TQString sman = TQString("sman"); + + while ( (ep = ::readdir( dp )) != 0L ) { + const TQString file = TQFile::decodeName( ep->d_name ); + TQString sect = TQString::null; + + if ( file.startsWith( man ) ) + sect = file.mid(3); + else if (file.startsWith(sman)) + sect = file.mid(4); + + if (sect.lower()==it_real) it_real = sect; + + // Only add sect if not already contained, avoid duplicates + if (!sect_list.contains(sect) && _section.isEmpty()) { + kdDebug() << "another section " << sect << endl; + sect_list += sect; + } + } + + ::closedir( dp ); + + if ( *it_sect != star ) { // in that case we only look around for sections + const TQString dir = man_dir + TQString("/man") + (it_real) + '/'; + const TQString sdir = man_dir + TQString("/sman") + (it_real) + '/'; + + findManPagesInSection(dir, title, full_path, list); + findManPagesInSection(sdir, title, full_path, list); + } + } + } + +// kdDebug(7107) << "finished " << list << " " << sect_list << endl; + + return list; +} + +void MANProtocol::findManPagesInSection(const TQString &dir, const TQString &title, bool full_path, TQStringList &list) +{ + kdDebug() << "findManPagesInSection " << dir << " " << title << endl; + bool title_given = !title.isEmpty(); + + DIR *dp = ::opendir( TQFile::encodeName( dir ) ); + + if ( !dp ) + return; + + struct dirent *ep; + + while ( (ep = ::readdir( dp )) != 0L ) { + if ( ep->d_name[0] != '.' ) { + + TQString name = TQFile::decodeName( ep->d_name ); + + // check title if we're looking for a specific page + if ( title_given ) { + if ( !name.startsWith( title ) ) { + continue; + } + else { + // beginning matches, do a more thorough check... + TQString tmp_name = name; + stripExtension( &tmp_name ); + if ( tmp_name != title ) + continue; + } + } + + if ( full_path ) + name.prepend( dir ); + + list += name ; + } + } + ::closedir( dp ); +} + +void MANProtocol::output(const char *insert) +{ + if (insert) + { + m_outputBuffer.writeBlock(insert,strlen(insert)); + } + if (!insert || m_outputBuffer.at() >= 2048) + { + m_outputBuffer.close(); + data(m_outputBuffer.buffer()); + m_outputBuffer.setBuffer(TQByteArray()); + m_outputBuffer.open(IO_WriteOnly); + } +} + +// called by man2html +char *read_man_page(const char *filename) +{ + return MANProtocol::self()->readManPage(filename); +} + +// called by man2html +void output_real(const char *insert) +{ + MANProtocol::self()->output(insert); +} + +static TQString text2html(const TQString& txt) +{ + TQString reply = txt; + + reply = reply.replace('&', "&"); + reply = reply.replace('<', "<"); + reply = reply.replace('>', ">"); + reply = reply.replace('"', "&dquot;"); + reply = reply.replace('\'', """); + return reply; +} + +void MANProtocol::get(const KURL& url ) +{ + kdDebug(7107) << "GET " << url.url() << endl; + + TQString title, section; + + if (!parseUrl(url.path(), title, section)) + { + showMainIndex(); + return; + } + + // see if an index was requested + if (url.query().isEmpty() && (title.isEmpty() || title == "/" || title == ".")) + { + if (section == "index" || section.isEmpty()) + showMainIndex(); + else + showIndex(section); + return; + } + + // tell the mimetype + mimeType("text/html"); + + const TQStringList foundPages=findPages(section, title); + bool pageFound=true; + if (foundPages.isEmpty()) + { + outputError(i18n("No man page matching to %1 found.<br><br>" + "Check that you have not mistyped the name of the page that you want.\n" + "Be careful that you must take care about upper case and lower case characters!<br>" + "If everything looks correct, then perhaps you need to set a better search path " + "for man pages, be it by the environment variable MANPATH or a matching file " + "in the directory /etc .").arg(text2html(title))); + pageFound=false; + } + else if (foundPages.count()>1) + { + pageFound=false; + //check for the case that there is foo.1 and foo.1.gz found: + // ### TODO make it more generic (other extensions) + if ((foundPages.count()==2) && + (((foundPages[0]+".gz") == foundPages[1]) || + (foundPages[0] == (foundPages[1]+".gz")))) + pageFound=true; + else + outputMatchingPages(foundPages); + } + //yes, we found exactly one man page + + if (pageFound) + { + setResourcePath(m_htmlPath,m_cssPath); + m_outputBuffer.open(IO_WriteOnly); + const TQCString filename=TQFile::encodeName(foundPages[0]); + char *buf = readManPage(filename); + + if (!buf) + { + outputError(i18n("Open of %1 failed.").arg(title)); + finished(); + return; + } + // will call output_real + scan_man_page(buf); + delete [] buf; + + output(0); // flush + + m_outputBuffer.close(); + data(m_outputBuffer.buffer()); + m_outputBuffer.setBuffer(TQByteArray()); + // tell we are done + data(TQByteArray()); + } + finished(); +} + +void MANProtocol::slotGetStdOutput(TDEProcess* /* p */, char *s, int len) +{ + myStdStream += TQString::fromLocal8Bit(s, len); +} + +void MANProtocol::slotGetStdOutputUtf8(TDEProcess* /* p */, char *s, int len) +{ + myStdStream += TQString::fromUtf8(s, len); +} + +char *MANProtocol::readManPage(const char *_filename) +{ + TQCString filename = _filename; + + char *buf = NULL; + + /* Determine type of man page file by checking its path. Determination by + * MIME type with KMimeType doesn't work reliablely. E.g., Solaris 7: + * /usr/man/sman7fs/pcfs.7fs -> text/x-csrc : WRONG + * If the path name constains the string sman, assume that it's SGML and + * convert it to roff format (used on Solaris). */ + //TQString file_mimetype = KMimeType::findByPath(TQString(filename), 0, false)->name(); + if (filename.contains("sman", false)) //file_mimetype == "text/html" || ) + { + myStdStream =TQString::null; + TDEProcess proc; + + /* Determine path to sgml2roff, if not already done. */ + getProgramPath(); + proc << mySgml2RoffPath << filename; + + TQApplication::connect(&proc, TQT_SIGNAL(receivedStdout (TDEProcess *, char *, int)), + this, TQT_SLOT(slotGetStdOutput(TDEProcess *, char *, int))); + proc.start(TDEProcess::Block, TDEProcess::All); + + const TQCString cstr=myStdStream.latin1(); + const int len = cstr.size()-1; + buf = new char[len + 4]; + tqmemmove(buf + 1, cstr.data(), len); + buf[0]=buf[len]='\n'; // Start and end with a end of line + buf[len+1]=buf[len+2]='\0'; // Two additional NUL characters at end + } + else + { + if (TQDir::isRelativePath(filename)) { + kdDebug(7107) << "relative " << filename << endl; + filename = TQDir::cleanDirPath(lastdir + "/" + filename).utf8(); + if (!KStandardDirs::exists(filename)) { // exists perhaps with suffix + lastdir = filename.left(filename.findRev('/')); + TQDir mandir(lastdir); + mandir.setNameFilter(filename.mid(filename.findRev('/') + 1) + ".*"); + filename = lastdir + "/" + TQFile::encodeName(mandir.entryList().first()); + } + kdDebug(7107) << "resolved to " << filename << endl; + } + lastdir = filename.left(filename.findRev('/')); + + myStdStream = TQString::null; + TDEProcess proc; + /* TODO: detect availability of 'man --recode' so that this can go + * upstream */ + proc << "man" << "--recode" << "UTF-8" << filename; + + TQApplication::connect(&proc, TQT_SIGNAL(receivedStdout (TDEProcess *, char *, int)), + this, TQT_SLOT(slotGetStdOutputUtf8(TDEProcess *, char *, int))); + proc.start(TDEProcess::Block, TDEProcess::All); + + const TQCString cstr=myStdStream.utf8(); + const int len = cstr.size()-1; + buf = new char[len + 4]; + tqmemmove(buf + 1, cstr.data(), len); + buf[0]=buf[len]='\n'; // Start and end with a end of line + buf[len+1]=buf[len+2]='\0'; // Two NUL characters at end + } + return buf; +} + + +void MANProtocol::outputError(const TQString& errmsg) +{ + TQByteArray array; + TQTextStream os(array, IO_WriteOnly); + os.setEncoding(TQTextStream::UnicodeUTF8); + + os << "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Strict//EN\">" << endl; + os << "<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">" << endl; + os << "<title>" << i18n("Man output") << "</title>\n" << endl; + if ( !m_manCSSFile.isEmpty() ) + os << "<link href=\"file:///" << m_manCSSFile << "\" type=\"text/css\" rel=\"stylesheet\">" << endl; + os << "</head>" << endl; + os << i18n("<body><h1>TDE Man Viewer Error</h1>") << errmsg << "</body>" << endl; + os << "</html>" << endl; + + data(array); +} + +void MANProtocol::outputMatchingPages(const TQStringList &matchingPages) +{ + TQByteArray array; + TQTextStream os(array, IO_WriteOnly); + os.setEncoding(TQTextStream::UnicodeUTF8); + + os << "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Strict//EN\">" << endl; + os << "<html>\n<head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">"<<endl; + os << "<title>" << i18n("Man output") <<"</title>" << endl; + if ( !m_manCSSFile.isEmpty() ) + os << "<link href=\"file:///" << m_manCSSFile << "\" type=\"text/css\" rel=\"stylesheet\">" << endl; + os << "</head>" <<endl; + os << "<body><h1>" << i18n("There is more than one matching man page."); + os << "</h1>\n<ul>\n"; + + int acckey=1; + for (TQStringList::ConstIterator it = matchingPages.begin(); it != matchingPages.end(); ++it) + { + os<<"<li><a href='man:"<<(*it)<<"' accesskey='"<< acckey <<"'>"<< *it <<"</a><br>\n<br>\n"; + acckey++; + } + os << "</ul>\n"; + os << "<hr>\n"; + os << "<p>" << i18n("Note: if you read a man page in your language," + " be aware it can contain some mistakes or be obsolete." + " In case of doubt, you should have a look at the English version.") << "</p>"; + + os << "</body>\n</html>"<<endl; + + data(array); + finished(); +} + +void MANProtocol::stat( const KURL& url) +{ + kdDebug(7107) << "ENTERING STAT " << url.url() << endl; + + TQString title, section; + + if (!parseUrl(url.path(), title, section)) + { + error(TDEIO::ERR_MALFORMED_URL, url.url()); + return; + } + + kdDebug(7107) << "URL " << url.url() << " parsed to title='" << title << "' section=" << section << endl; + + UDSEntry entry; + UDSAtom atom; + + atom.m_uds = UDS_NAME; + atom.m_long = 0; + atom.m_str = title; + entry.append(atom); + + atom.m_uds = UDS_FILE_TYPE; + atom.m_str = ""; + atom.m_long = S_IFREG; + entry.append(atom); + + atom.m_uds = UDS_URL; + atom.m_long = 0; + TQString newUrl = "man:"+title; + if (!section.isEmpty()) + newUrl += TQString("(%1)").arg(section); + atom.m_str = newUrl; + entry.append(atom); + + atom.m_uds = UDS_MIME_TYPE; + atom.m_long = 0; + atom.m_str = "text/html"; + entry.append(atom); + + statEntry(entry); + + finished(); +} + + +extern "C" +{ + + int KDE_EXPORT kdemain( int argc, char **argv ) { + + TDEInstance instance("kio_man"); + + kdDebug(7107) << "STARTING " << getpid() << endl; + + if (argc != 4) + { + fprintf(stderr, "Usage: kio_man protocol domain-socket1 domain-socket2\n"); + exit(-1); + } + + MANProtocol slave(argv[2], argv[3]); + slave.dispatchLoop(); + + kdDebug(7107) << "Done" << endl; + + return 0; + } + +} + +void MANProtocol::mimetype(const KURL & /*url*/) +{ + mimeType("text/html"); + finished(); +} + +static TQString sectionName(const TQString& section) +{ + if (section == "1") + return i18n("User Commands"); + else if (section == "2") + return i18n("System Calls"); + else if (section == "3") + return i18n("Subroutines"); + else if (section == "3p") + return i18n("Perl Modules"); + else if (section == "3n") + return i18n("Network Functions"); + else if (section == "4") + return i18n("Devices"); + else if (section == "5") + return i18n("File Formats"); + else if (section == "6") + return i18n("Games"); + else if (section == "7") + return i18n("Miscellaneous"); + else if (section == "8") + return i18n("System Administration"); + else if (section == "9") + return i18n("Kernel"); + else if (section == "l") + return i18n("Local Documentation"); + else if (section == "n") + return i18n("New"); + + return TQString::null; +} + +TQStringList MANProtocol::buildSectionList(const TQStringList& dirs) const +{ + TQStringList l; + + for (TQStringList::ConstIterator it = section_names.begin(); + it != section_names.end(); ++it) + { + for (TQStringList::ConstIterator dir = dirs.begin(); + dir != dirs.end(); ++dir) + { + TQDir d((*dir)+"/man"+(*it)); + if (d.exists()) + { + l << *it; + break; + } + } + } + return l; +} + +void MANProtocol::showMainIndex() +{ + TQByteArray array; + TQTextStream os(array, IO_WriteOnly); + os.setEncoding(TQTextStream::UnicodeUTF8); + + // print header + os << "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Strict//EN\">" << endl; + os << "<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">" << endl; + os << "<title>" << i18n("UNIX Manual Index") << "</title>" << endl; + if (!m_manCSSFile.isEmpty()) + os << "<link href=\"file:///" << m_manCSSFile << "\" type=\"text/css\" rel=\"stylesheet\">" << endl; + os << "</head>" << endl; + os << "<body><h1>" << i18n("UNIX Manual Index") << "</h1>" << endl; + + // ### TODO: why still the environment variable + const TQString sectList = getenv("MANSECT"); + TQStringList sections; + if (sectList.isEmpty()) + sections = buildSectionList(manDirectories()); + else + sections = TQStringList::split(':', sectList); + + os << "<table>" << endl; + + TQStringList::ConstIterator it; + for (it = sections.begin(); it != sections.end(); ++it) + os << "<tr><td><a href=\"man:(" << *it << ")\" accesskey=\"" << + (((*it).length()==1)?(*it):(*it).right(1))<<"\">" << i18n("Section ") + << *it << "</a></td><td> </td><td> " << sectionName(*it) << "</td></tr>" << endl; + + os << "</table>" << endl; + + // print footer + os << "</body></html>" << endl; + + data(array); + finished(); +} + +void MANProtocol::constructPath(TQStringList& constr_path, TQStringList constr_catmanpath) +{ + TQMap<TQString, TQString> manpath_map; + TQMap<TQString, TQString> mandb_map; + + // Add paths from /etc/man.conf + // + // Explicit manpaths may be given by lines starting with "MANPATH" or + // "MANDATORY_MANPATH" (depending on system ?). + // Mappings from $PATH to manpath are given by lines starting with + // "MANPATH_MAP" + + TQRegExp manpath_regex( "^MANPATH\\s" ); + TQRegExp mandatory_regex( "^MANDATORY_MANPATH\\s" ); + TQRegExp manpath_map_regex( "^MANPATH_MAP\\s" ); + TQRegExp mandb_map_regex( "^MANDB_MAP\\s" ); + //TQRegExp section_regex( "^SECTION\\s" ); + TQRegExp space_regex( "\\s+" ); // for parsing manpath map + + TQFile mc("/etc/man.conf"); // Caldera + if (!mc.exists()) + mc.setName("/etc/manpath.config"); // SuSE, Debian + if (!mc.exists()) + mc.setName("/etc/man.config"); // Mandrake + + if (mc.open(IO_ReadOnly)) + { + TQTextStream is(&mc); + is.setEncoding(TQTextStream::Locale); + + while (!is.eof()) + { + const TQString line = is.readLine(); + if ( manpath_regex.search(line, 0) == 0 ) + { + const TQString path = line.mid(8).stripWhiteSpace(); + constr_path += path; + } + else if ( mandatory_regex.search(line, 0) == 0 ) + { + const TQString path = line.mid(18).stripWhiteSpace(); + constr_path += path; + } + else if ( manpath_map_regex.search(line, 0) == 0 ) + { + // The entry is "MANPATH_MAP <path> <manpath>" + const TQStringList mapping = + TQStringList::split(space_regex, line); + + if ( mapping.count() == 3 ) + { + const TQString dir = TQDir::cleanDirPath( mapping[1] ); + const TQString mandir = TQDir::cleanDirPath( mapping[2] ); + + manpath_map[ dir ] = mandir; + } + } + else if ( mandb_map_regex.search(line, 0) == 0 ) + { + // The entry is "MANDB_MAP <manpath> <catmanpath>" + const TQStringList mapping = + TQStringList::split(space_regex, line); + + if ( mapping.count() == 3 ) + { + const TQString mandir = TQDir::cleanDirPath( mapping[1] ); + const TQString catmandir = TQDir::cleanDirPath( mapping[2] ); + + mandb_map[ mandir ] = catmandir; + } + } + /* sections are not used + else if ( section_regex.find(line, 0) == 0 ) + { + if ( !conf_section.isEmpty() ) + conf_section += ':'; + conf_section += line.mid(8).stripWhiteSpace(); + } + */ + } + mc.close(); + } + + // Default paths + static const char *manpaths[] = { + "/usr/X11/man", + "/usr/X11R6/man", + "/usr/man", + "/usr/local/man", + "/usr/exp/man", + "/usr/openwin/man", + "/usr/dt/man", + "/opt/freetool/man", + "/opt/local/man", + "/usr/tex/man", + "/usr/www/man", + "/usr/lang/man", + "/usr/gnu/man", + "/usr/share/man", + "/usr/motif/man", + "/usr/titools/man", + "/usr/sunpc/man", + "/usr/ncd/man", + "/usr/newsprint/man", + NULL }; + + + int i = 0; + while (manpaths[i]) { + if ( constr_path.findIndex( TQString( manpaths[i] ) ) == -1 ) + constr_path += TQString( manpaths[i] ); + i++; + } + + // Directories in $PATH + // - if a manpath mapping exists, use that mapping + // - if a directory "<path>/man" or "<path>/../man" exists, add it + // to the man path (the actual existence check is done further down) + + if ( ::getenv("PATH") ) { + const TQStringList path = + TQStringList::split( ":", + TQString::fromLocal8Bit( ::getenv("PATH") ) ); + + for ( TQStringList::const_iterator it = path.begin(); + it != path.end(); + ++it ) + { + const TQString dir = TQDir::cleanDirPath( *it ); + TQString mandir = manpath_map[ dir ]; + + if ( !mandir.isEmpty() ) { + // a path mapping exists + if ( constr_path.findIndex( mandir ) == -1 ) + constr_path += mandir; + } + else { + // no manpath mapping, use "<path>/man" and "<path>/../man" + + mandir = dir + TQString( "/man" ); + if ( constr_path.findIndex( mandir ) == -1 ) + constr_path += mandir; + + int pos = dir.findRev( '/' ); + if ( pos > 0 ) { + mandir = dir.left( pos ) + TQString("/man"); + if ( constr_path.findIndex( mandir ) == -1 ) + constr_path += mandir; + } + } + TQString catmandir = mandb_map[ mandir ]; + if ( !mandir.isEmpty() ) + { + if ( constr_catmanpath.findIndex( catmandir ) == -1 ) + constr_catmanpath += catmandir; + } + else + { + // What is the default mapping? + catmandir = mandir; + catmandir.replace("/usr/share/","/var/cache/"); + if ( constr_catmanpath.findIndex( catmandir ) == -1 ) + constr_catmanpath += catmandir; + } + } + } +} + +void MANProtocol::checkManPaths() +{ + static bool inited = false; + + if (inited) + return; + + inited = true; + + const TQString manpath_env = TQString::fromLocal8Bit( ::getenv("MANPATH") ); + //TQString mansect_env = TQString::fromLocal8Bit( ::getenv("MANSECT") ); + + // Decide if $MANPATH is enough on its own or if it should be merged + // with the constructed path. + // A $MANPATH starting or ending with ":", or containing "::", + // should be merged with the constructed path. + + bool construct_path = false; + + if ( manpath_env.isEmpty() + || manpath_env[0] == ':' + || manpath_env[manpath_env.length()-1] == ':' + || manpath_env.contains( "::" ) ) + { + construct_path = true; // need to read config file + } + + // Constucted man path -- consists of paths from + // /etc/man.conf + // default dirs + // $PATH + TQStringList constr_path; + TQStringList constr_catmanpath; // catmanpath + + TQString conf_section; + + if ( construct_path ) + { + constructPath(constr_path, constr_catmanpath); + } + + m_mandbpath=constr_catmanpath; + + // Merge $MANPATH with the constructed path to form the + // actual manpath. + // + // The merging syntax with ":" and "::" in $MANPATH will be + // satisfied if any empty string in path_list_env (there + // should be 1 or 0) is replaced by the constructed path. + + const TQStringList path_list_env = TQStringList::split( ':', manpath_env , true ); + + for ( TQStringList::const_iterator it = path_list_env.begin(); + it != path_list_env.end(); + ++it ) + { + struct stat sbuf; + + TQString dir = (*it); + + if ( !dir.isEmpty() ) { + // Add dir to the man path if it exists + if ( m_manpath.findIndex( dir ) == -1 ) { + if ( ::stat( TQFile::encodeName( dir ), &sbuf ) == 0 + && S_ISDIR( sbuf.st_mode ) ) + { + m_manpath += dir; + } + } + } + else { + // Insert constructed path ($MANPATH was empty, or + // there was a ":" at an end or "::") + + for ( TQStringList::Iterator it2 = constr_path.begin(); + it2 != constr_path.end(); + it2++ ) + { + dir = (*it2); + + if ( !dir.isEmpty() ) { + if ( m_manpath.findIndex( dir ) == -1 ) { + if ( ::stat( TQFile::encodeName( dir ), &sbuf ) == 0 + && S_ISDIR( sbuf.st_mode ) ) + { + m_manpath += dir; + } + } + } + } + } + } + +/* sections are not used + // Sections + TQStringList m_mansect = TQStringList::split( ':', mansect_env, true ); + + const char* default_sect[] = + { "1", "2", "3", "4", "5", "6", "7", "8", "9", "n", 0L }; + + for ( int i = 0; default_sect[i] != 0L; i++ ) + if ( m_mansect.findIndex( TQString( default_sect[i] ) ) == -1 ) + m_mansect += TQString( default_sect[i] ); +*/ + +} + + +//#define _USE_OLD_CODE + +#ifdef _USE_OLD_CODE +#warning "using old code" +#else + +// Define this, if you want to compile with qsort from stdlib.h +// else the Qt Heapsort will be used. +// Note, qsort seems to be a bit faster (~10%) on a large man section +// eg. man section 3 +#define _USE_QSORT + +// Setup my own structure, with char pointers. +// from now on only pointers are copied, no strings +// +// containing the whole path string, +// the beginning of the man page name +// and the length of the name +struct man_index_t { + char *manpath; // the full path including man file + const char *manpage_begin; // pointer to the begin of the man file name in the path + int manpage_len; // len of the man file name +}; +typedef man_index_t *man_index_ptr; + +#ifdef _USE_QSORT +int compare_man_index(const void *s1, const void *s2) +{ + struct man_index_t *m1 = *(struct man_index_t **)s1; + struct man_index_t *m2 = *(struct man_index_t **)s2; + int i; + // Compare the names of the pages + // with the shorter length. + // Man page names are not '\0' terminated, so + // this is a bit tricky + if ( m1->manpage_len > m2->manpage_len) + { + i = tqstrnicmp( m1->manpage_begin, + m2->manpage_begin, + m2->manpage_len); + if (!i) + return 1; + return i; + } + + if ( m1->manpage_len < m2->manpage_len) + { + i = tqstrnicmp( m1->manpage_begin, + m2->manpage_begin, + m1->manpage_len); + if (!i) + return -1; + return i; + } + + return tqstrnicmp( m1->manpage_begin, + m2->manpage_begin, + m1->manpage_len); +} + +#else /* !_USE_QSORT */ +#warning using heapsort +// Set up my own man page list, +// with a special compare function to sort itself +typedef TQPtrList<struct man_index_t> QManIndexListBase; +typedef TQPtrListIterator<struct man_index_t> QManIndexListIterator; + +class QManIndexList : public QManIndexListBase +{ +public: +private: + int compareItems( TQPtrCollection::Item s1, TQPtrCollection::Item s2 ) + { + struct man_index_t *m1 = (struct man_index_t *)s1; + struct man_index_t *m2 = (struct man_index_t *)s2; + int i; + // compare the names of the pages + // with the shorter length + if (m1->manpage_len > m2->manpage_len) + { + i = tqstrnicmp(m1->manpage_begin, + m2->manpage_begin, + m2->manpage_len); + if (!i) + return 1; + return i; + } + + if (m1->manpage_len > m2->manpage_len) + { + + i = tqstrnicmp(m1->manpage_begin, + m2->manpage_begin, + m1->manpage_len); + if (!i) + return -1; + return i; + } + + return tqstrnicmp(m1->manpage_begin, + m2->manpage_begin, + m1->manpage_len); + } +}; + +#endif /* !_USE_QSORT */ +#endif /* !_USE_OLD_CODE */ + + + + +void MANProtocol::showIndex(const TQString& section) +{ + TQByteArray array; + TQTextStream os(array, IO_WriteOnly); + os.setEncoding(TQTextStream::UnicodeUTF8); + + // print header + os << "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Strict//EN\">" << endl; + os << "<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">" << endl; + os << "<title>" << i18n("UNIX Manual Index") << "</title>" << endl; + if ( !m_manCSSFile.isEmpty() ) + os << "<link href=\"file:///" << m_manCSSFile << "\" type=\"text/css\" rel=\"stylesheet\">" << endl; + os << "</head>" << endl; + os << "<body><div class=\"secidxmain\">" << endl; + os << "<h1>" << i18n( "Index for Section %1: %2").arg(section).arg(sectionName(section)) << "</h1>" << endl; + + // compose list of search paths ------------------------------------------------------------- + + checkManPaths(); + infoMessage(i18n("Generating Index")); + + // search for the man pages + TQStringList pages = findPages( section, TQString::null ); + + TQMap<TQString, TQString> indexmap = buildIndexMap(section); + + // print out the list + os << "<table>" << endl; + +#ifdef _USE_OLD_CODE + pages.sort(); + + TQMap<TQString, TQString> pagemap; + + TQStringList::ConstIterator page; + for (page = pages.begin(); page != pages.end(); ++page) + { + TQString fileName = *page; + + stripExtension( &fileName ); + + pos = fileName.findRev('/'); + if (pos > 0) + fileName = fileName.mid(pos+1); + + if (!fileName.isEmpty()) + pagemap[fileName] = *page; + + } + + for (TQMap<TQString,TQString>::ConstIterator it = pagemap.begin(); + it != pagemap.end(); ++it) + { + os << "<tr><td><a href=\"man:" << it.data() << "\">\n" + << it.key() << "</a></td><td> </td><td> " + << (indexmap.contains(it.key()) ? indexmap[it.key()] : "" ) + << "</td></tr>" << endl; + } + +#else /* ! _USE_OLD_CODE */ + +#ifdef _USE_QSORT + + int listlen = pages.count(); + man_index_ptr *indexlist = new man_index_ptr[listlen]; + listlen = 0; + +#else /* !_USE_QSORT */ + + QManIndexList manpages; + manpages.setAutoDelete(TRUE); + +#endif /* _USE_QSORT */ + + TQStringList::const_iterator page; + for (page = pages.begin(); page != pages.end(); ++page) + { + // I look for the beginning of the man page name + // i.e. "bla/pagename.3.gz" by looking for the last "/" + // Then look for the end of the name by searching backwards + // for the last ".", not counting zip extensions. + // If the len of the name is >0, + // store it in the list structure, to be sorted later + + char *manpage_end; + struct man_index_t *manindex = new man_index_t; + manindex->manpath = strdup((*page).utf8()); + + manindex->manpage_begin = strrchr(manindex->manpath, '/'); + if (manindex->manpage_begin) + { + manindex->manpage_begin++; + assert(manindex->manpage_begin >= manindex->manpath); + } + else + { + manindex->manpage_begin = manindex->manpath; + assert(manindex->manpage_begin >= manindex->manpath); + } + + // Skip extension ".section[.gz]" + + char *begin = (char*)(manindex->manpage_begin); + int len = strlen( begin ); + char *end = begin+(len-1); + + if ( len >= 3 && strcmp( end-2, ".gz" ) == 0 ) + end -= 3; + else if ( len >= 2 && strcmp( end-1, ".Z" ) == 0 ) + end -= 2; + else if ( len >= 2 && strcmp( end-1, ".z" ) == 0 ) + end -= 2; + else if ( len >= 4 && strcmp( end-3, ".bz2" ) == 0 ) + end -= 4; + + while ( end >= begin && *end != '.' ) + end--; + + if ( end < begin ) + manpage_end = 0; + else + manpage_end = end; + + if (NULL == manpage_end) + { + // no '.' ending ??? + // set the pointer past the end of the filename + manindex->manpage_len = (*page).length(); + manindex->manpage_len -= (manindex->manpage_begin - manindex->manpath); + assert(manindex->manpage_len >= 0); + } + else + { + manindex->manpage_len = (manpage_end - manindex->manpage_begin); + assert(manindex->manpage_len >= 0); + } + + if (0 < manindex->manpage_len) + { + +#ifdef _USE_QSORT + + indexlist[listlen] = manindex; + listlen++; + +#else /* !_USE_QSORT */ + + manpages.append(manindex); + +#endif /* _USE_QSORT */ + + } + } + + // + // Now do the sorting on the page names + // and the printout afterwards + // While printing avoid duplicate man page names + // + + struct man_index_t dummy_index = {0l,0l,0}; + struct man_index_t *last_index = &dummy_index; + +#ifdef _USE_QSORT + + // sort and print + qsort(indexlist, listlen, sizeof(struct man_index_t *), compare_man_index); + + TQChar firstchar, tmp; + TQString indexLine="<div class=\"secidxshort\">\n"; + if (indexlist[0]->manpage_len>0) + { + firstchar=TQChar((indexlist[0]->manpage_begin)[0]).lower(); + + const TQString appendixstr = TQString( + " [<a href=\"#%1\" accesskey=\"%2\">%3</a>]\n" + ).arg(firstchar).arg(firstchar).arg(firstchar); + indexLine.append(appendixstr); + } + os << "<tr><td class=\"secidxnextletter\"" << " colspan=\"3\">\n <a name=\"" + << firstchar << "\">" << firstchar <<"</a>\n</td></tr>" << endl; + + for (int i=0; i<listlen; i++) + { + struct man_index_t *manindex = indexlist[i]; + + // tqstrncmp(): + // "last_man" has already a \0 string ending, but + // "manindex->manpage_begin" has not, + // so do compare at most "manindex->manpage_len" of the strings. + if (last_index->manpage_len == manindex->manpage_len && + !tqstrncmp(last_index->manpage_begin, + manindex->manpage_begin, + manindex->manpage_len) + ) + { + continue; + } + + tmp=TQChar((manindex->manpage_begin)[0]).lower(); + if (firstchar != tmp) + { + firstchar = tmp; + os << "<tr><td class=\"secidxnextletter\"" << " colspan=\"3\">\n <a name=\"" + << firstchar << "\">" << firstchar << "</a>\n</td></tr>" << endl; + + const TQString appendixstr = TQString( + " [<a href=\"#%1\" accesskey=\"%2\">%3</a>]\n" + ).arg(firstchar).arg(firstchar).arg(firstchar); + indexLine.append(appendixstr); + } + os << "<tr><td><a href=\"man:" + << manindex->manpath << "\">\n"; + + ((char *)manindex->manpage_begin)[manindex->manpage_len] = '\0'; + os << manindex->manpage_begin + << "</a></td><td> </td><td> " + << (indexmap.contains(manindex->manpage_begin) ? indexmap[manindex->manpage_begin] : "" ) + << "</td></tr>" << endl; + last_index = manindex; + } + indexLine.append("</div>"); + + for (int i=0; i<listlen; i++) { + ::free(indexlist[i]->manpath); // allocated by strdup + delete indexlist[i]; + } + + delete [] indexlist; + +#else /* !_USE_QSORT */ + + manpages.sort(); // using + + for (QManIndexListIterator mit(manpages); + mit.current(); + ++mit ) + { + struct man_index_t *manindex = mit.current(); + + // tqstrncmp(): + // "last_man" has already a \0 string ending, but + // "manindex->manpage_begin" has not, + // so do compare at most "manindex->manpage_len" of the strings. + if (last_index->manpage_len == manindex->manpage_len && + !tqstrncmp(last_index->manpage_begin, + manindex->manpage_begin, + manindex->manpage_len) + ) + { + continue; + } + + os << "<tr><td><a href=\"man:" + << manindex->manpath << "\">\n"; + + manindex->manpage_begin[manindex->manpage_len] = '\0'; + os << manindex->manpage_begin + << "</a></td><td> </td><td> " + << (indexmap.contains(manindex->manpage_begin) ? indexmap[manindex->manpage_begin] : "" ) + << "</td></tr>" << endl; + last_index = manindex; + } +#endif /* _USE_QSORT */ +#endif /* _USE_OLD_CODE */ + + os << "</table></div>" << endl; + + os << indexLine << endl; + + // print footer + os << "</body></html>" << endl; + + infoMessage(TQString::null); + mimeType("text/html"); + data(array); + finished(); +} + +void MANProtocol::listDir(const KURL &url) +{ + kdDebug( 7107 ) << "ENTER listDir: " << url.prettyURL() << endl; + + TQString title; + TQString section; + + if ( !parseUrl(url.path(), title, section) ) { + error( TDEIO::ERR_MALFORMED_URL, url.url() ); + return; + } + + TQStringList list = findPages( section, TQString::null, false ); + + UDSEntryList uds_entry_list; + UDSEntry uds_entry; + UDSAtom uds_atom; + + uds_atom.m_uds = TDEIO::UDS_NAME; // we only do names... + uds_entry.append( uds_atom ); + + TQStringList::Iterator it = list.begin(); + TQStringList::Iterator end = list.end(); + + for ( ; it != end; ++it ) { + stripExtension( &(*it) ); + + uds_entry[0].m_str = *it; + uds_entry_list.append( uds_entry ); + } + + listEntries( uds_entry_list ); + finished(); +} + +void MANProtocol::getProgramPath() +{ + if (!mySgml2RoffPath.isEmpty()) + return; + + mySgml2RoffPath = TDEGlobal::dirs()->findExe("sgml2roff"); + if (!mySgml2RoffPath.isEmpty()) + return; + + /* sgml2roff isn't found in PATH. Check some possible locations where it may be found. */ + mySgml2RoffPath = TDEGlobal::dirs()->findExe("sgml2roff", TQString(SGML2ROFF_DIRS)); + if (!mySgml2RoffPath.isEmpty()) + return; + + /* Cannot find sgml2roff programm: */ + outputError(i18n("Could not find the sgml2roff program on your system. Please install it, if necessary, and extend the search path by adjusting the environment variable PATH before starting TDE.")); + finished(); + exit(); +} |