Modification to r3891 to respect -g option on exiv2 command-line.

src/version.cpp

@@ -69,9 +69,15 @@ EXIV2_RCSID("@(#) $Id$")
 # include <XMP.incl_cpp>
 #include "xmp.hpp"
 
-static XMP_Status namespaceDumper ( void* /*refCon*/
+typedef struct {
-                  , XMP_StringPtr buffer
+    std::ostream& os;
-                  , XMP_StringLen bufferSize
+    const char*   name;
+} NSDumper;
+
+static XMP_Status namespaceDumper
+( void*         refCon
+, XMP_StringPtr buffer
+, XMP_StringLen bufferSize
 ) {
     XMP_Status result = 0 ;
     std::string out(buffer,bufferSize);
@@ -83,9 +89,10 @@ static XMP_Status namespaceDumper ( void* /*refCon*/
     bool bHttp = out.find("http://") != std::string::npos ;
     bool bNS   = out.find(":") != std::string::npos && !bHttp;
     if ( bHttp || bNS ) {
-		if ( bNS )   std::cout << "xmlns=" ;
+        NSDumper* nsDumper = (NSDumper*) refCon;
-		             std::cout <<  out     ;
+        if ( bNS )   nsDumper->os << nsDumper->name << "=" ;
-		if ( bHttp ) std::cout << std::endl;
+                     nsDumper->os <<  out     ;
+        if ( bHttp ) nsDumper->os << std::endl;
     }
     return     result;
 }
@@ -165,7 +172,7 @@ typedef string_v::iterator  string_i;
   };
 #endif
 
-static void output(std::ostream& os,const exv_grep_keys_t& greps,const char* name,const std::string& value)
+static bool shouldOutput(const exv_grep_keys_t& greps,const char* name,const std::string& value)
 {
     bool bPrint = greps.empty();
     for( exv_grep_keys_t::const_iterator g = greps.begin();
@@ -179,7 +186,12 @@ static void output(std::ostream& os,const exv_grep_keys_t& greps,const char* nam
         bPrint = std::string(name).find(*g) != std::string::npos || value.find(*g) != std::string::npos;
 #endif
     }
-    if ( bPrint ) os << name << "=" << value << endl;
+    return bPrint;
+}
+
+static void output(std::ostream& os,const exv_grep_keys_t& greps,const char* name,const std::string& value)
+{
+    if ( shouldOutput(greps,name,value) ) os << name << "=" << value << endl;
 }
 
 static void output(std::ostream& os,const exv_grep_keys_t& greps,const char* name,int value)
@@ -545,7 +557,11 @@ void Exiv2::dumpLibraryInfo(std::ostream& os,const exv_grep_keys_t& keys)
 
 #ifdef EXV_HAVE_XMP_TOOLKIT
     Exiv2::XmpParser::initialize();
-    SXMPMeta::DumpNamespaces(namespaceDumper,NULL);
+    const char* name = "xmlns";
+    NSDumper nsDumper = { os,name };
+    if ( shouldOutput(keys,name,"") ) {
+        SXMPMeta::DumpNamespaces(namespaceDumper,&nsDumper);
+    }
 #endif
 
 #if defined(__linux__)