Implement the gui category filters as query language fragments instead of hard-coding them. This allows implementing other kinds of filtering (ie:on directory) just by changing a configuration file

src/common/rclconfig.cpp

@@ -576,6 +576,24 @@ string RclConfig::getMimeHandlerDef(const string &mtype, bool filtertypes)
     return hs;
 }
 
+bool RclConfig::getGuiFilterNames(list<string>& cats) 
+{
+    if (!mimeconf)
+	return false;
+    cats = mimeconf->getNamesShallow("guifilters");
+    return true;
+}
+
+bool RclConfig::getGuiFilter(const string& catfiltername, string& frag)
+{
+    frag.clear();
+    if (!mimeconf)
+	return false;
+    if (!mimeconf->get(catfiltername, frag, "guifilters"))
+	return false;
+    return true;
+}
+
 bool RclConfig::valueSplitAttributes(const string& whole, string& value, 
 				     ConfSimple& attrs)
 {

src/common/rclconfig.h

@@ -202,6 +202,11 @@ class RclConfig {
     /** mimeconf: get list of mime types for category */
     bool getMimeCatTypes(const string& cat, list<string>&);
 
+    /** mimeconf: get list of gui filters (doc cats by default */
+    bool getGuiFilterNames(list<string>&);
+    /** mimeconf: get query lang frag for named filter */
+    bool getGuiFilter(const string& filtername, string& frag);
+
     /** fields: get field prefix from field name */
     bool getFieldTraits(const string& fldname, const FieldTraits **);
     const set<string>& getStoredFields() {return m_storedFields;}

src/qtgui/rclmain_w.cpp

@@ -176,7 +176,7 @@ void RclMain::init()
     connect(bgrp, SIGNAL(buttonClicked(int)), this, SLOT(catgFilter(int)));
     allRDB->setChecked(true);
     list<string> cats;
-    theconfig->getMimeCategories(cats);
+    theconfig->getGuiFilterNames(cats);
     // Text for button 0 is not used. Next statement just avoids unused
     // variable compiler warning for catg_strings
     m_catgbutvec.push_back(catg_strings[0]);
@@ -1626,7 +1626,7 @@ void RclMain::showDocHistory()
 	new DocSequenceHistory(rcldb, g_dynconf, 
 			       string(tr("Document history").toUtf8()));
     src->setDescription((const char *)tr("History data").toUtf8());
-    DocSource *source = new DocSource(RefCntr<DocSequence>(src));
+    DocSource *source = new DocSource(theconfig, RefCntr<DocSequence>(src));
     m_source = RefCntr<DocSequence>(source);
     m_source->setSortSpec(m_sortspec);
     m_source->setFiltSpec(m_filtspec);
@@ -1695,7 +1695,8 @@ void RclMain::showQueryDetails()
 	return;
     string oq = breakIntoLines(m_source->getDescription(), 100, 50);
     QString str;
-    QString desc = tr("Result count (est.)") + ": " + str.setNum(m_source->getResCnt()) + "<br>";
+    QString desc = tr("Result count (est.)") + ": " + 
+	str.setNum(m_source->getResCnt()) + "<br>";
     desc += tr("Query details") + ": " + QString::fromUtf8(oq.c_str());
     QMessageBox::information(this, tr("Query details"), desc);
 }
@@ -1711,12 +1712,11 @@ void RclMain::catgFilter(int id)
 
     if (id != 0)  {
 	string catg = m_catgbutvec[id];
-	list<string> tps;
-	theconfig->getMimeCatTypes(catg, tps);
-	for (list<string>::const_iterator it = tps.begin();
-	     it != tps.end(); it++) 
-	    m_filtspec.orCrit(DocSeqFiltSpec::DSFS_MIMETYPE, *it);
+	string frag;
+	theconfig->getGuiFilter(catg, frag);
+	m_filtspec.orCrit(DocSeqFiltSpec::DSFS_QLANG, frag);
     }
+    LOGDEB(("RclMain::catgFilter: calling setFiltSpec\n"));
     if (m_source.isNotNull())
 	m_source->setFiltSpec(m_filtspec);
     initiateQuery();

src/qtgui/reslist.cpp

@@ -315,7 +315,7 @@ extern "C" int XFlush(void *);
 void ResList::setDocSource(RefCntr<DocSequence> nsource)
 {
     LOGDEB(("ResList::setDocSource()\n"));
-    m_source = RefCntr<DocSequence>(new DocSource(nsource));
+    m_source = RefCntr<DocSequence>(new DocSource(theconfig, nsource));
 }
 
 // A query was executed, or the filtering/sorting parameters changed,

src/qtgui/restable.cpp

@@ -298,7 +298,7 @@ void RecollModel::setDocSource(RefCntr<DocSequence> nsource)
     if (nsource.isNull()) {
 	m_source = RefCntr<DocSequence>();
     } else {
-	m_source = RefCntr<DocSequence>(new DocSource(nsource));
+	m_source = RefCntr<DocSequence>(new DocSource(theconfig, nsource));
 	m_hdata.reset();
 	m_source->getTerms(m_hdata.terms, m_hdata.groups, m_hdata.gslks);
     }

src/query/docseq.cpp

@@ -62,7 +62,7 @@ bool DocSource::buildStack()
     } else {
 	if (m_fspec.isNotNull()) {
 	    m_seq = 
-		RefCntr<DocSequence>(new DocSeqFiltered(m_seq, m_fspec));
+		RefCntr<DocSequence>(new DocSeqFiltered(m_config, m_seq, m_fspec));
 	} 
     }
     

src/query/docseq.h

@@ -49,7 +49,7 @@ class DocSeqSortSpec {
 class DocSeqFiltSpec {
  public:
     DocSeqFiltSpec() {}
-    enum Crit {DSFS_MIMETYPE};
+    enum Crit {DSFS_MIMETYPE, DSFS_QLANG, DSFS_PASSALL};
     void orCrit(Crit crit, const string& value) {
 	crits.push_back(crit);
 	values.push_back(value);
@@ -191,12 +191,13 @@ protected:
     RefCntr<DocSequence>    m_seq;
 };
 
+class RclConfig;
 // A DocSource can juggle docseqs of different kinds to implement
 // sorting and filtering in ways depending on the base seqs capabilities
 class DocSource : public DocSeqModifier {
 public:
-    DocSource(RefCntr<DocSequence> iseq) 
-	: DocSeqModifier(iseq)
+    DocSource(RclConfig *config, RefCntr<DocSequence> iseq) 
+	: DocSeqModifier(iseq), m_config(config)
     {}
     virtual bool canFilter() {return true;}
     virtual bool canSort() {return true;}
@@ -218,6 +219,7 @@ public:
 private:
     bool buildStack();
     void stripStack();
+    RclConfig *m_config;
     DocSeqFiltSpec  m_fspec;
     DocSeqSortSpec  m_sspec;
 };

src/query/docseqdb.cpp

@@ -21,6 +21,7 @@
 #include "rcldb.h"
 #include "debuglog.h"
 #include "internfile.h"
+#include "wasatorcl.h"
 
 DocSequenceDb::DocSequenceDb(RefCntr<Rcl::Query> q, const string &t, 
 			     RefCntr<Rcl::SearchData> sdata) 
@@ -126,6 +127,26 @@ bool DocSequenceDb::setFiltSpec(const DocSeqFiltSpec &fs)
 	    switch (fs.crits[i]) {
 	    case DocSeqFiltSpec::DSFS_MIMETYPE:
 		m_fsdata->addFiletype(fs.values[i]);
+		break;
+	    case DocSeqFiltSpec::DSFS_QLANG:
+	    {
+		if (m_q.isNull())
+		    break;
+		    
+		string reason;
+		Rcl::SearchData *sd = 
+		    wasaStringToRcl(m_q->whatDb()->getConf(), 
+				    fs.values[i], reason);
+		if (sd)  {
+		    Rcl::SearchDataClauseSub *cl1 = 
+			new Rcl::SearchDataClauseSub(Rcl::SCLT_SUB, 
+						     RefCntr<Rcl::SearchData>(sd));
+		    m_fsdata->addClause(cl1);
+		}
+	    }
+	    break;
+	    default:
+		break;
 	    }
 	}
 	m_isFiltered = true;

src/query/filtseq.cpp

@@ -14,39 +14,87 @@
  *   Free Software Foundation, Inc.,
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
-#include <algorithm>
 
 #include "debuglog.h"
 #include "filtseq.h"
+#include "rclconfig.h"
 
 using std::string;
 
 static bool filter(const DocSeqFiltSpec& fs, const Rcl::Doc *x)
 {
+    LOGDEB2(("  Filter: ncrits %d\n", fs.crits.size()));
     // Compare using each criterion in term. We're doing an or:
     // 1st ok ends 
     for (unsigned int i = 0; i < fs.crits.size(); i++) {
 	switch (fs.crits[i]) {
 	case DocSeqFiltSpec::DSFS_MIMETYPE:
-	    LOGDEB1((" MIMETYPE\n"));
+	    LOGDEB2((" filter: MIMETYPE: me [%s] doc [%s]\n",
+		    fs.values[i].c_str(), x->mimetype.c_str()));
 	    if (x->mimetype == fs.values[i])
-		return 1;
+		return true;
+	    break;
+	case DocSeqFiltSpec::DSFS_QLANG:
+	{
+	    LOGDEB((" filter: QLANG [%s]!!\n", fs.values[i].c_str()));
+	}
+	break;
+	case DocSeqFiltSpec::DSFS_PASSALL:
+	    return true;
 	}
     }
     // Did all comparisons
-    return 0;
+    return false;
 } 
 
+DocSeqFiltered::DocSeqFiltered(RclConfig *conf, RefCntr<DocSequence> iseq, 
+			       DocSeqFiltSpec &filtspec)
+    :  DocSeqModifier(iseq), m_config(conf)
+{
+    setFiltSpec(filtspec);
+}
+
 bool DocSeqFiltered::setFiltSpec(DocSeqFiltSpec &filtspec)
 {
-    m_spec = filtspec;
+    LOGDEB0(("DocSeqFiltered::setFiltSpec\n"));
+    for (unsigned int i = 0; i < filtspec.crits.size(); i++) {
+	switch (filtspec.crits[i]) {
+	case DocSeqFiltSpec::DSFS_MIMETYPE:
+	    m_spec.orCrit(filtspec.crits[i], filtspec.values[i]);
+	    break;
+	case DocSeqFiltSpec::DSFS_QLANG:
+	{
+	    // There are very few lang constructs that we can
+	    // interpret. The default config uses rclcat:value
+	    // only. That will be all for now...
+	    string val = filtspec.values[i];
+	    if (val.find("rclcat:") == 0) {
+		string catg = val.substr(7);
+		list<string> tps;
+		m_config->getMimeCatTypes(catg, tps);
+		for (list<string>::const_iterator it = tps.begin();
+		     it != tps.end(); it++) {
+		    LOGDEB2(("Adding mime: [%s]\n", it->c_str()));
+		    m_spec.orCrit(DocSeqFiltSpec::DSFS_MIMETYPE, *it);
+		}
+	    }
+	}
+	break;
+	default:
+	    break;
+	}
+    }
+    // If m_spec ends up empty, pass everything, better than filtering all.
+    if (m_spec.crits.empty()) {
+	m_spec.orCrit(DocSeqFiltSpec::DSFS_PASSALL, "");
+    }
     m_dbindices.clear();
     return true;
 }
 
 bool DocSeqFiltered::getDoc(int idx, Rcl::Doc &doc, string *)
 {
-    LOGDEB1(("DocSeqFiltered: fetching %d\n", idx));
+    LOGDEB2(("DocSeqFiltered::getDoc() fetching %d\n", idx));
 
     if (idx >= (int)m_dbindices.size()) {
 	// Have to fetch docs and filter until we get enough or

src/query/filtseq.h

@@ -19,10 +19,13 @@
 
 #include <vector>
 #include <string>
+using std::string;
+using std::vector;
 
 #include "refcntr.h"
 #include "docseq.h"
 
+class RclConfig;
 
 /** 
  * A filtered sequence is created from another one by selecting entries
@@ -30,17 +33,17 @@
  */
 class DocSeqFiltered : public DocSeqModifier {
 public:
-    DocSeqFiltered(RefCntr<DocSequence> iseq, DocSeqFiltSpec &filtspec)
-	:  DocSeqModifier(iseq), m_spec(filtspec)
-    {}
+    DocSeqFiltered(RclConfig *conf, RefCntr<DocSequence> iseq, 
+		   DocSeqFiltSpec &filtspec);
     virtual ~DocSeqFiltered() {}
     virtual bool canFilter() {return true;}
     virtual bool setFiltSpec(DocSeqFiltSpec &filtspec);
     virtual bool getDoc(int num, Rcl::Doc &doc, string *sh = 0);
     virtual int getResCnt() {return m_seq->getResCnt();}
  private:
-    DocSeqFiltSpec          m_spec;
-    vector<int>             m_dbindices;
+    RclConfig     *m_config;    
+    DocSeqFiltSpec m_spec;
+    vector<int>    m_dbindices;
 };
 
 #endif /* _FILTSEQ_H_INCLUDED_ */

src/sampleconf/mimeconf

@@ -194,7 +194,12 @@ text/x-purple-html-log = pidgin
 text/x-python = text-x-python
 
 [categories]
-
+# Categories group mime types by "kind". They can be used from the query
+# language as an "rclcat" clause. This is fully dynamic, you can change the
+# names and groups as you wish, only the mime types are stored in the index.
+#
+# If you add/remove categories, you may also want to change the
+# "guifilters" section below.
 text = \
       application/msword \
       application/pdf \
@@ -280,3 +285,26 @@ other = application/vnd.sun.xml.draw \
         application/x-rar \
         application/x-webarchive \
 	application/zip \
+
+[guifilters]
+# This defines the top level filters in the GUI (accessed by the the
+# radiobuttons above the results area, or a toolbar combobox).
+# Each entry defines a label and a query language fragment that will be
+# applied to filter the current query if the option is activated.
+#
+# This does not really belong in mimeconf, but it does belong in the index
+# config (not the GUI one), because it's not necessarily the same in all
+# configs, it has to go somewhere, and it's not worth a separate config
+# file...
+#
+# By default this filters by document category (see above), but any
+# language fragment should be ok. Be aware though that the "document
+# history" queries only know about simple "rclcat" filtering.
+
+text = rclcat:text
+spreadsheet = rclcat:spreadsheet
+presentation = rclcat:presentation
+media = rclcat:media
+message = rclcat:message
+other = rclcat:other
+