Allow setting fields in fs subtree. Use for an application tag used for starting a specialized viewer

src/common/rclconfig.cpp

@@ -386,7 +386,7 @@ bool RclConfig::inStopSuffixes(const string& fni)
     }
 }
 
-string RclConfig::getMimeTypeFromSuffix(const string &suff)
+string RclConfig::getMimeTypeFromSuffix(const string& suff)
 {
     string mtype;
     mimemap->get(suff, mtype, m_keydir);
@@ -611,10 +611,14 @@ string RclConfig::fieldCanon(const string& f)
     return fld;
 }
 
-string RclConfig::getMimeViewerDef(const string &mtype)
+string RclConfig::getMimeViewerDef(const string &mtype, const string& apptag)
 {
+    LOGDEB(("RclConfig::getMimeViewerDef: mtype %s apptag %s\n",
+            mtype.c_str(), apptag.c_str()));
     string hs;
-    mimeview->get(mtype, hs, "view");
+    if (apptag.empty() || !mimeview->get(mtype + string("|") + apptag,
+                                         hs, "view"))
+        mimeview->get(mtype, hs, "view");
     return hs;
 }
 
@@ -624,7 +628,7 @@ bool RclConfig::getMimeViewerDefs(vector<pair<string, string> >& defs)
 	return false;
     list<string>tps = mimeview->getNames("view");
     for (list<string>::const_iterator it = tps.begin(); it != tps.end();it++) {
-	defs.push_back(pair<string, string>(*it, getMimeViewerDef(*it)));
+	defs.push_back(pair<string, string>(*it, getMimeViewerDef(*it, "")));
     }
     return true;
 }

src/common/rclconfig.h

@@ -176,7 +176,7 @@ class RclConfig {
     const map<string, string>& getXattrToField() {return m_xattrtofld;}
     
     /** mimeview: get/set external viewer exec string(s) for mimetype(s) */
-    string getMimeViewerDef(const string &mimetype);
+    string getMimeViewerDef(const string &mimetype, const string& apptag);
     bool getMimeViewerDefs(vector<pair<string, string> >&);
     bool setMimeViewerDef(const string& mimetype, const string& cmd);
 

src/qtgui/rclmain_w.cpp

@@ -918,9 +918,13 @@ void RclMain::startNativeViewer(Rcl::Doc doc)
     // Look for appropriate viewer
     string cmd;
     if (prefs.useDesktopOpen) {
-	cmd = rclconfig->getMimeViewerDef("application/x-all");
+	cmd = rclconfig->getMimeViewerDef("application/x-all", "");
     } else {
-	cmd = rclconfig->getMimeViewerDef(doc.mimetype);
+        string apptag;
+        map<string,string>::const_iterator it;
+        if ((it = doc.meta.find("apptag")) != doc.meta.end())
+            apptag = it->second;
+	cmd = rclconfig->getMimeViewerDef(doc.mimetype, apptag);
     }
 
     if (cmd.length() == 0) {

src/query/reslistpager.cpp

@@ -217,7 +217,13 @@ void ResListPager::displayPage()
 	    linksbuf += string("<a href=") + vlbuf + ">" + trans("Preview") 
 		+ "</a>&nbsp;&nbsp;";
 	}
-	if (!RclConfig::getMainConfig()->getMimeViewerDef(doc.mimetype).empty()) {
+
+        string apptag;
+        map<string,string>::const_iterator it;
+        if ((it = doc.meta.find("apptag")) != doc.meta.end())
+            apptag = it->second;
+
+	if (!RclConfig::getMainConfig()->getMimeViewerDef(doc.mimetype, apptag).empty()) {
 	    sprintf(vlbuf, "E%d", docnumforlinks);
 	    linksbuf += string("<a href=") + vlbuf + ">" + trans("Open")
 		+ "</a>";

src/sampleconf/fields

@@ -35,10 +35,11 @@ recipient = XTO
 #
 # Some fields are stored by default, don't add them here, else they will be
 # stored twice: caption, keywords, abstract, filename, mimetype, url
-# "author" used to be stored by default, now set here as optional
 # Only canonical names should be used here, not aliases.
+# "author" used to be stored by default, now set here as optional
+# "apptag" is used for viewer specialization (depending on local config)
 [stored]
-stored = author
+stored = author apptag
 
 ##########################
 # This section defines field names aliases or synonyms. Any right hand side