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-rw-r--r--khelpcenter/htmlsearch/htmlsearch.cpp487
1 files changed, 487 insertions, 0 deletions
diff --git a/khelpcenter/htmlsearch/htmlsearch.cpp b/khelpcenter/htmlsearch/htmlsearch.cpp
new file mode 100644
index 000000000..02d09d142
--- /dev/null
+++ b/khelpcenter/htmlsearch/htmlsearch.cpp
@@ -0,0 +1,487 @@
+#include <qregexp.h>
+#include <qdir.h>
+#include <assert.h>
+
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kstandarddirs.h>
+#include <kprocess.h>
+#include <klocale.h>
+#include <kconfig.h>
+
+
+#include "progressdialog.h"
+#include "htmlsearch.moc"
+
+
+HTMLSearch::HTMLSearch()
+ : QObject(), _proc(0)
+{
+}
+
+
+QString HTMLSearch::dataPath(const QString& _lang)
+{
+ return kapp->dirs()->saveLocation("data", QString("khelpcenter/%1").arg(_lang));
+}
+
+
+void HTMLSearch::scanDir(const QString& dir)
+{
+ assert( dir.at( dir.length() - 1 ) == '/' );
+
+ QStringList::ConstIterator it;
+
+ if ( KStandardDirs::exists( dir + "index.docbook" ) ) {
+ _files.append(dir + "index.docbook");
+ progress->setFilesScanned(++_filesScanned);
+ } else {
+ QDir d(dir, "*.html", QDir::Name|QDir::IgnoreCase, QDir::Files | QDir::Readable);
+ QStringList const &list = d.entryList();
+ QString adir = d.canonicalPath () + "/";
+ QString file;
+ for (it=list.begin(); it != list.end(); ++it)
+ {
+ file = adir + *it;
+ if ( !_files.contains( file ) ) {
+ _files.append(file);
+ progress->setFilesScanned(++_filesScanned);
+ }
+ }
+ }
+
+ QDir d2(dir, QString::null, QDir::Name|QDir::IgnoreCase, QDir::Dirs);
+ QStringList const &dlist = d2.entryList();
+ for (it=dlist.begin(); it != dlist.end(); ++it)
+ if (*it != "." && *it != "..")
+ {
+ scanDir(dir + *it + "/");
+ kapp->processEvents();
+ }
+}
+
+
+bool HTMLSearch::saveFilesList(const QString& _lang)
+{
+ QStringList dirs;
+
+ // throw away old files list
+ _files.clear();
+
+ // open config file
+ KConfig *config = new KConfig("khelpcenterrc");
+ config->setGroup("Scope");
+
+ // add KDE help dirs
+ if (config->readBoolEntry("KDE", true))
+ dirs = kapp->dirs()->findDirs("html", _lang + "/");
+ kdDebug() << "got " << dirs.count() << " dirs\n";
+
+ // TODO: Man and Info!!
+
+ // add local urls
+ QStringList add = config->readListEntry("Paths");
+ QStringList::Iterator it;
+ for (it = add.begin(); it != add.end(); ++it) {
+ if ( ( *it ).at( ( *it ).length() - 1 ) != '/' )
+ ( *it ) += '/';
+ dirs.append(*it);
+ }
+
+ _filesScanned = 0;
+
+ for (it = dirs.begin(); it != dirs.end(); ++it)
+ scanDir(*it);
+
+ delete config;
+
+ return true;
+}
+
+
+bool HTMLSearch::createConfig(const QString& _lang)
+{
+ QString fname = dataPath(_lang) + "/htdig.conf";
+
+ // locate the common dir
+ QString wrapper = locate("data", QString("khelpcenter/%1/wrapper.html").arg(_lang));
+ if (wrapper.isEmpty())
+ wrapper = locate("data", QString("khelpcenter/en/wrapper.html"));
+ if (wrapper.isEmpty())
+ return false;
+ wrapper = wrapper.left(wrapper.length() - 12);
+
+ // locate the image dir
+ QString images = locate("data", "khelpcenter/pics/star.png");
+ if (images.isEmpty())
+ return false;
+ images = images.left(images.length() - 8);
+
+ // This is an example replacement for the default bad_words file
+ // distributed with ht://Dig. It was compiled by Marjolein Katsma
+ // <HSH@taxon.demon.nl>.
+ QString bad_words = i18n( "List of words to exclude from index",
+ "above:about:according:across:actually:\n"
+ "adj:after:afterwards:again:against:all:\n"
+ "almost:alone:along:already:also:although:\n"
+ "always:among:amongst:and:another:any:\n"
+ "anyhow:anyone:anything:anywhere:are:aren:\n"
+ "arent:around:became:because:become:\n"
+ "becomes:becoming:been:before:beforehand:\n"
+ "begin:beginning:behind:being:below:beside:\n"
+ "besides:between:beyond:billion:both:but:\n"
+ "can:cant:cannot:caption:could:couldnt:\n"
+ "did:didnt:does:doesnt:dont:down:during:\n"
+ "each:eight:eighty:either:else:elsewhere:\n"
+ "end:ending:enough:etc:even:ever:every:\n"
+ "everyone:everything:everywhere:except:few:\n"
+ "fifty:first:five:for:former:formerly:forty:\n"
+ "found:four:from:further:had:has:hasnt:have:\n"
+ "havent:hence:her:here:hereafter:hereby:\n"
+ "herein:heres:hereupon:hers:herself:hes:him:\n"
+ "himself:his:how:however:hundred:\n"
+ "inc:indeed:instead:into:isnt:its:\n"
+ "itself:last:later:latter:latterly:least:\n"
+ "less:let:like:likely:ltd:made:make:makes:\n"
+ "many:may:maybe:meantime:meanwhile:might:\n"
+ "million:miss:more:moreover:most:mostly:\n"
+ "mrs:much:must:myself:namely:neither:\n"
+ "never:nevertheless:next:nine:ninety:\n"
+ "nobody:none:nonetheless:noone:nor:not:\n"
+ "nothing:now:nowhere:off:often:once:\n"
+ "one:only:onto:others:otherwise:our:ours:\n"
+ "ourselves:out:over:overall:own:page:per:\n"
+ "perhaps:rather:recent:recently:same:\n"
+ "seem:seemed:seeming:seems:seven:seventy:\n"
+ "several:she:shes:should:shouldnt:since:six:\n"
+ "sixty:some:somehow:someone:something:\n"
+ "sometime:sometimes:somewhere:still:stop:\n"
+ "such:taking:ten:than:that:the:their:them:\n"
+ "themselves:then:thence:there:thereafter:\n"
+ "thereby:therefore:therein:thereupon:these:\n"
+ "they:thirty:this:those:though:thousand:\n"
+ "three:through:throughout:thru:thus:tips:\n"
+ "together:too:toward:towards:trillion:\n"
+ "twenty:two:under:unless:unlike:unlikely:\n"
+ "until:update:updated:updates:upon:\n"
+ "used:using:very:via:want:wanted:wants:\n"
+ "was:wasnt:way:ways:wed:well:were:\n"
+ "werent:what:whats:whatever:when:whence:\n"
+ "whenever:where:whereafter:whereas:whereby:\n"
+ "wherein:whereupon:wherever:wheres:whether:\n"
+ "which:while:whither:who:whoever:whole:\n"
+ "whom:whomever:whose:why:will:with:within:\n"
+ "without:wont:work:worked:works:working:\n"
+ "would:wouldnt:yes:yet:you:youd:youll:your:\n"
+ "youre:yours:yourself:yourselves:youve" );
+
+ QFile f;
+ f.setName( dataPath(_lang) + "/bad_words" );
+ if (f.open(IO_WriteOnly))
+ {
+ QTextStream ts( &f );
+ QStringList words = QStringList::split ( QRegExp ( "[\n:]" ),
+ bad_words, false);
+ for ( QStringList::ConstIterator it = words.begin();
+ it != words.end(); ++it )
+ ts << *it << endl;
+ f.close();
+ }
+
+ f.setName(fname);
+ if (f.open(IO_WriteOnly))
+ {
+ kdDebug() << "Writing config for " << _lang << " to " << fname << endl;
+
+ QTextStream ts(&f);
+
+ ts << "database_dir:\t\t" << dataPath(_lang) << endl;
+ ts << "start_url:\t\t`" << dataPath(_lang) << "/files`" << endl;
+ ts << "local_urls:\t\tfile:/=/" << endl;
+ ts << "local_urls_only:\ttrue" << endl;
+ ts << "maximum_pages:\t\t1" << endl;
+ ts << "image_url_prefix:\t" << images << endl;
+ ts << "star_image:\t\t" << images << "star.png" << endl;
+ ts << "star_blank:\t\t" << images << "star_blank.png" << endl;
+ ts << "compression_level:\t6" << endl;
+ ts << "max_hop_count:\t\t0" << endl;
+
+ ts << "search_results_wrapper:\t" << wrapper << "wrapper.html" << endl;
+ ts << "nothing_found_file:\t" << wrapper << "nomatch.html" << endl;
+ ts << "syntax_error_file:\t" << wrapper << "syntax.html" << endl;
+ ts << "bad_word_list:\t\t" << dataPath(_lang) << "/bad_words" << endl;
+ ts << "external_parsers:\t" << "text/xml\t" << locate( "data", "khelpcenter/meinproc_wrapper" ) << endl;
+ f.close();
+ return true;
+ }
+
+ return false;
+}
+
+
+#define CHUNK_SIZE 15
+
+bool HTMLSearch::generateIndex(QString _lang, QWidget *parent)
+{
+ if (_lang == "C")
+ _lang = "en";
+
+ if (!createConfig(_lang))
+ return false;
+
+ // create progress dialog
+ progress = new ProgressDialog(parent);
+ progress->show();
+ kapp->processEvents();
+
+ // create files list ----------------------------------------------
+ if (!saveFilesList(_lang))
+ return false;
+
+ progress->setState(1);
+
+ // run htdig ------------------------------------------------------
+ KConfig *config = new KConfig("khelpcenterrc", true);
+ KConfigGroupSaver saver(config, "htdig");
+ QString exe = config->readPathEntry("htdig", kapp->dirs()->findExe("htdig"));
+
+ if (exe.isEmpty())
+ {
+ delete config;
+ return false;
+ }
+ bool initial = true;
+ bool done = false;
+ int count = 0;
+
+ _filesToDig = _files.count();
+ progress->setFilesToDig(_filesToDig);
+ _filesDigged = 0;
+
+ QDir d; d.mkdir(dataPath(_lang));
+
+ while (!done)
+ {
+ // kill old process
+ delete _proc;
+
+ // prepare new process
+ _proc = new KProcess();
+ *_proc << exe << "-v" << "-c" << dataPath(_lang)+"/htdig.conf";
+ if (initial)
+ {
+ *_proc << "-i";
+ initial = false;
+ }
+
+ kdDebug() << "Running htdig" << endl;
+
+ connect(_proc, SIGNAL(receivedStdout(KProcess *,char*,int)),
+ this, SLOT(htdigStdout(KProcess *,char*,int)));
+
+ connect(_proc, SIGNAL(processExited(KProcess *)),
+ this, SLOT(htdigExited(KProcess *)));
+
+ _htdigRunning = true;
+
+ // write out file
+ QFile f(dataPath(_lang)+"/files");
+ if (f.open(IO_WriteOnly))
+ {
+ QTextStream ts(&f);
+
+ for (int i=0; i<CHUNK_SIZE; ++i, ++count)
+ if (count < _filesToDig) {
+ ts << "file://" + _files[count] << endl;
+ } else {
+ done = true;
+ break;
+ }
+ f.close();
+ }
+ else
+ {
+ kdDebug() << "Could not open `files` for writing" << endl;
+ delete config;
+ return false;
+ }
+
+
+ // execute htdig
+ _proc->start(KProcess::NotifyOnExit, KProcess::Stdout );
+
+ kapp->enter_loop();
+
+ if (!_proc->normalExit() || _proc->exitStatus() != 0)
+ {
+ delete _proc;
+ delete progress;
+ delete config;
+ return false;
+ }
+
+ // _filesDigged += CHUNK_SIZE;
+ progress->setFilesDigged(_filesDigged);
+ kapp->processEvents();
+ }
+
+ progress->setState(2);
+
+ // run htmerge -----------------------------------------------------
+ exe = config->readPathEntry("htmerge", kapp->dirs()->findExe("htmerge"));
+ if (exe.isEmpty())
+ {
+ delete config;
+ return false;
+ }
+ delete _proc;
+ _proc = new KProcess();
+ *_proc << exe << "-c" << dataPath(_lang)+"/htdig.conf";
+
+ kdDebug() << "Running htmerge" << endl;
+
+ connect(_proc, SIGNAL(processExited(KProcess *)),
+ this, SLOT(htmergeExited(KProcess *)));
+
+ _htmergeRunning = true;
+
+ _proc->start(KProcess::NotifyOnExit, KProcess::Stdout);
+
+ kapp->enter_loop();
+
+ if (!_proc->normalExit() || _proc->exitStatus() != 0)
+ {
+ delete _proc;
+ delete progress;
+ delete config;
+ return false;
+ }
+
+ delete _proc;
+
+ progress->setState(3);
+ kapp->processEvents();
+
+ delete progress;
+ delete config;
+
+ return true;
+}
+
+
+
+void HTMLSearch::htdigStdout(KProcess *, char *buffer, int len)
+{
+ QString line = QString(buffer).left(len);
+
+ int cnt=0, index=-1;
+ while ( (index = line.find("file://", index+1)) > 0)
+ cnt++;
+ _filesDigged += cnt;
+
+ cnt=0;
+ index=-1;
+ while ( (index = line.find("not changed", index+1)) > 0)
+ cnt++;
+ _filesDigged -= cnt;
+
+ progress->setFilesDigged(_filesDigged);
+}
+
+
+void HTMLSearch::htdigExited(KProcess *p)
+{
+ kdDebug() << "htdig terminated " << p->exitStatus() << endl;
+ _htdigRunning = false;
+ kapp->exit_loop();
+}
+
+
+void HTMLSearch::htmergeExited(KProcess *)
+{
+ kdDebug() << "htmerge terminated" << endl;
+ _htmergeRunning = false;
+ kapp->exit_loop();
+}
+
+
+void HTMLSearch::htsearchStdout(KProcess *, char *buffer, int len)
+{
+ _searchResult += QString::fromLocal8Bit(buffer,len);
+}
+
+
+void HTMLSearch::htsearchExited(KProcess *)
+{
+ kdDebug() << "htsearch terminated" << endl;
+ _htsearchRunning = false;
+ kapp->exit_loop();
+}
+
+
+QString HTMLSearch::search(QString _lang, QString words, QString method, int matches,
+ QString format, QString sort)
+{
+ if (_lang == "C")
+ _lang = "en";
+
+ createConfig(_lang);
+
+ QString result = dataPath(_lang)+"/result.html";
+
+ // run htsearch ----------------------------------------------------
+ KConfig *config = new KConfig("khelpcenterrc", true);
+ KConfigGroupSaver saver(config, "htdig");
+ QString exe = config->readPathEntry("htsearch", kapp->dirs()->findExe("htsearch"));
+ if (exe.isEmpty())
+ {
+ delete config;
+ return QString::null;
+ }
+ _proc = new KProcess();
+ *_proc << exe << "-c" << dataPath(_lang)+"/htdig.conf" <<
+ QString("words=%1;method=%2;matchesperpage=%3;format=%4;sort=%5").arg(words).arg(method).arg(matches).arg(format).arg(sort);
+
+ kdDebug() << "Running htsearch" << endl;
+
+ connect(_proc, SIGNAL(receivedStdout(KProcess *,char*,int)),
+ this, SLOT(htsearchStdout(KProcess *,char*,int)));
+ connect(_proc, SIGNAL(processExited(KProcess *)),
+ this, SLOT(htsearchExited(KProcess *)));
+
+ _htsearchRunning = true;
+ _searchResult = "";
+
+ _proc->start(KProcess::NotifyOnExit, KProcess::Stdout);
+
+ kapp->enter_loop();
+
+ if (!_proc->normalExit() || _proc->exitStatus() != 0)
+ {
+ kdDebug() << "Error running htsearch... returning now" << endl;
+ delete _proc;
+ delete config;
+ return QString::null;
+ }
+
+ delete _proc;
+
+ // modify the search result
+ _searchResult = _searchResult.replace("http://localhost/", "file:/");
+ _searchResult = _searchResult.replace("Content-type: text/html", QString::null);
+
+ // dump the search result
+ QFile f(result);
+ if (f.open(IO_WriteOnly))
+ {
+ QTextStream ts(&f);
+
+ ts << _searchResult << endl;
+
+ f.close();
+ delete config;
+ return result;
+ }
+ delete config;
+ return QString::null;
+}
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