std::find to find template

std::find in C++20 can use ranges, which is equivalent here. Less error
prone.

Namespace is properly to avoid any conflicts with std::find or others

Signed-off-by: Rosen Penev <rosenp@gmail.com>

app/exiv2.cpp

@@ -41,12 +41,19 @@ constexpr auto emptyYodAdjust_ = std::array{
 };
 
 //! List of all command identifiers and corresponding strings
-constexpr auto cmdIdAndString = std::array{
-    std::pair(CmdId::add, "add"),
-    std::pair(CmdId::set, "set"),
-    std::pair(CmdId::del, "del"),
-    std::pair(CmdId::reg, "reg"),
-    std::pair(CmdId::invalid, "invalidCmd"),  // End of list marker
+constexpr struct CmdIdAndString {
+  CmdId cmdId_;
+  const char* string_;
+  //! Comparison operator for \em string
+  bool operator==(const std::string& string) const {
+    return string == string_;
+  }
+} cmdIdAndString[] = {
+    {CmdId::add, "add"},
+    {CmdId::set, "set"},
+    {CmdId::del, "del"},
+    {CmdId::reg, "reg"},
+    {CmdId::invalid, "invalidCmd"},  // End of list marker
 };
 
 // Return a command Id for a command string
@@ -1433,8 +1440,8 @@ bool parseLine(ModifyCmd& modifyCmd, const std::string& line, int num) {
 }  // parseLine
 
 CmdId commandId(const std::string& cmdString) {
-  auto it = std::find_if(cmdIdAndString.begin(), cmdIdAndString.end(), [&](auto cs) { return cs.second == cmdString; });
-  return it != cmdIdAndString.end() ? it->first : CmdId::invalid;
+  auto it = Exiv2::find(cmdIdAndString, cmdString);
+  return it ? it->cmdId_ : CmdId::invalid;
 }
 
 std::string parseEscapes(const std::string& input) {

src/asfvideo.cpp

@@ -265,7 +265,6 @@ void AsfVideo::readMetadata() {
 void AsfVideo::decodeBlock() {
   DataBuf buf(BUFF_MIN_SIZE + 1);
   uint64_t size = 0;
-  const Internal::TagVocabulary* tv;
   uint64_t cur_pos = io_->tell();
 
   byte guidBuf[GUI_SIZE];
@@ -278,12 +277,11 @@ void AsfVideo::decodeBlock() {
 
   char GUID[GUID_SIZE] = "";  // the getGUID function write the GUID[36],
 
-  getGUID(guidBuf, GUID);
-  tv = find(GUIDReferenceTags, GUID);
-
   io_->read(buf.data(), BUFF_MIN_SIZE);
   size = Util::getUint64_t(buf);
 
+  getGUID(guidBuf, GUID);
+  auto tv = Exiv2::find(GUIDReferenceTags, GUID);
   if (tv) {
     auto tagDecoder = [&](const Internal::TagVocabulary* tv, uint64_t size) {
       uint64_t cur_pos = io_->tell();
@@ -392,7 +390,7 @@ void AsfVideo::contentDescription(uint64_t size) {
     io_->read(buf.data(), length[i]);
     if (io_->error() || io_->eof())
       throw Error(ErrorCode::kerFailedToReadImageData);
-    const TagDetails* td = find(contentDescriptionTags, i);
+    auto td = Exiv2::find(contentDescriptionTags, i);
     assert(td);
     std::string str(reinterpret_cast<const char*>(buf.data()), length[i]);
     if (convertStringCharset(str, "UCS-2LE", "UTF-8")) {
@@ -414,8 +412,7 @@ void AsfVideo::streamProperties() {
   char streamType[GUID_SIZE] = "";
 
   getGUID(guidBuf, streamType);
-  const TagVocabulary* tv;
-  tv = find(GUIDReferenceTags, streamType);
+  auto tv = Exiv2::find(GUIDReferenceTags, streamType);
   io_->read(guidBuf, GUI_SIZE);
 
   if (compareTag(exvGettext(tv->label_), "Audio_Media"))
@@ -632,7 +629,7 @@ void AsfVideo::fileProperties() {
   const TagDetails* td;
 
   while (count--) {
-    td = find(filePropertiesTags, (count + 1));
+    td = Exiv2::find(filePropertiesTags, (count + 1));
     io_->read(buf.data(), BUFF_MIN_SIZE);
 
     if (count == 0) {

src/convert.cpp

@@ -1553,8 +1553,8 @@ const ConvFctList convFctList[] = {
 
 [[maybe_unused]] bool convertStringCharsetWindows(std::string& str, const char* from, const char* to) {
   bool ret = false;
-  const ConvFctList* p = find(convFctList, std::pair(from, to));
   std::string tmpstr = str;
+  auto p = Exiv2::find(convFctList, std::pair(from, to));
   if (p)
     ret = p->convFct_(tmpstr);
 #ifndef SUPPRESS_WARNINGS

src/fujimn_int.cpp

@@ -241,7 +241,7 @@ std::ostream& printFujiDriveSetting(std::ostream& os, const Value& value, const
   auto byte3 = (value.toInt64() >> 16) & 0xff;
   auto fps = value.toInt64() >> 24;
 
-  auto setting = find(fujiDriveSettingByte1, byte1);
+  auto setting = Exiv2::find(fujiDriveSettingByte1, byte1);
   if (setting) {
     os << exvGettext(setting->label_);
   } else {
@@ -347,7 +347,7 @@ std::ostream& printFujiFaceElementTypes(std::ostream& os, const Value& value, co
         longValue -= '0';
       }
 
-      auto td = find(fujiFaceElementType, longValue);
+      auto td = Exiv2::find(fujiFaceElementType, longValue);
       if (n != 0) {
         os << " ";
       }

src/makernote_int.cpp

@@ -137,16 +137,16 @@ bool TiffMnRegistry::operator==(IfdId key) const {
 
 TiffComponent* TiffMnCreator::create(uint16_t tag, IfdId group, const std::string& make, const byte* pData, size_t size,
                                      ByteOrder byteOrder) {
-  auto tmr = std::find(std::begin(registry_), std::end(registry_), make);
-  if (tmr != std::end(registry_)) {
-    return tmr->newMnFct_(tag, group, tmr->mnGroup_, pData, size, byteOrder);
+  auto tmr = Exiv2::find(registry_, make);
+  if (!tmr) {
+    return nullptr;
   }
-  return nullptr;
+  return tmr->newMnFct_(tag, group, tmr->mnGroup_, pData, size, byteOrder);
 }  // TiffMnCreator::create
 
 TiffComponent* TiffMnCreator::create(uint16_t tag, IfdId group, IfdId mnGroup) {
-  auto tmr = std::find(std::begin(registry_), std::end(registry_), mnGroup);
-  if (tmr != std::end(registry_)) {
+  auto tmr = Exiv2::find(registry_, mnGroup);
+  if (tmr) {
     if (tmr->newMnFct2_) {
       return tmr->newMnFct2_(tag, group, mnGroup);
     }

src/minoltamn_int.cpp

@@ -1483,7 +1483,7 @@ static bool inRange(long value, long min, long max) {
 }
 
 static std::ostream& resolvedLens(std::ostream& os, long lensID, long index) {
-  const TagDetails* td = find(minoltaSonyLensID, lensID);
+  auto td = Exiv2::find(minoltaSonyLensID, lensID);
   std::vector<std::string> tokens = split(td[0].label_, "|");
   return os << exvGettext(trim(tokens.at(index - 1)).c_str());
 }

src/nikonmn_int.cpp

@@ -3791,7 +3791,7 @@ std::ostream& Nikon3MakerNote::print0x009e(std::ostream& os, const Value& value,
     if (l != 0)
       trim = false;
     std::string d = s.empty() ? "" : "; ";
-    const TagDetails* td = find(nikonRetouchHistory, l);
+    auto td = Exiv2::find(nikonRetouchHistory, l);
     if (td) {
       s = std::string(exvGettext(td->label_)).append(d).append(s);
     } else {

src/pentaxmn_int.cpp

@@ -1096,7 +1096,7 @@ std::ostream& resolveLens0x32c(std::ostream& os, const Value& value, const ExifD
 
     if (index > 0) {
       const unsigned long lensID = 0x32c;
-      const TagDetails* td = find(pentaxLensType, lensID);
+      auto td = Exiv2::find(pentaxLensType, lensID);
       os << exvGettext(td[index].label_);
       return os;
     }
@@ -1160,7 +1160,7 @@ std::ostream& resolveLens0x3ff(std::ostream& os, const Value& value, const ExifD
 
     if (index > 0) {
       const unsigned long lensID = 0x3ff;
-      const TagDetails* td = find(pentaxLensType, lensID);
+      auto td = Exiv2::find(pentaxLensType, lensID);
       os << exvGettext(td[index].label_);
       return os;
     }
@@ -1187,7 +1187,7 @@ std::ostream& resolveLens0x8ff(std::ostream& os, const Value& value, const ExifD
 
     if (index > 0) {
       const unsigned long lensID = 0x8ff;
-      const TagDetails* td = find(pentaxLensType, lensID);
+      auto td = Exiv2::find(pentaxLensType, lensID);
       os << exvGettext(td[index].label_);
       return os;
     }
@@ -1221,7 +1221,7 @@ std::ostream& resolveLens0x319(std::ostream& os, const Value& value, const ExifD
 
     if (index > 0) {
       const unsigned long lensID = 0x319;
-      const TagDetails* td = find(pentaxLensType, lensID);
+      auto td = Exiv2::find(pentaxLensType, lensID);
       os << exvGettext(td[index].label_);
       return os;
     }

src/pentaxmn_int.hpp

@@ -70,7 +70,7 @@ std::ostream& printCombiTag(std::ostream& os, const Value& value, const ExifData
     }
     l += (value.toUint32(c) << ((count - c - 1) * 8));
   }
-  const TagDetails* td = find(array, l);
+  auto td = Exiv2::find(array, l);
   if (td) {
     os << exvGettext(td->label_);
   } else {

src/properties.cpp

@@ -5003,7 +5003,7 @@ std::string XmpProperties::prefix(const std::string& ns) {
   if (i != nsRegistry_.end()) {
     p = i->second.prefix_;
   } else {
-    const XmpNsInfo* xn = find(xmpNsInfo, XmpNsInfo::Ns(ns2));
+    auto xn = Exiv2::find(xmpNsInfo, XmpNsInfo::Ns(ns2));
     if (xn)
       p = std::string(xn->prefix_);
   }
@@ -5082,7 +5082,7 @@ const XmpNsInfo* XmpProperties::nsInfoUnsafe(const std::string& prefix) {
   const XmpNsInfo::Prefix pf(prefix);
   const XmpNsInfo* xn = lookupNsRegistryUnsafe(pf);
   if (!xn)
-    xn = find(xmpNsInfo, pf);
+    xn = Exiv2::find(xmpNsInfo, pf);
   if (!xn)
     throw Error(ErrorCode::kerNoNamespaceInfoForXmpPrefix, prefix);
   return xn;
@@ -5108,7 +5108,7 @@ void XmpProperties::printProperties(std::ostream& os, const std::string& prefix)
 std::ostream& XmpProperties::printProperty(std::ostream& os, const std::string& key, const Value& value) {
   PrintFct fct = printValue;
   if (value.count() != 0) {
-    const XmpPrintInfo* info = find(xmpPrintInfo, key);
+    auto info = Exiv2::find(xmpPrintInfo, key);
     if (info)
       fct = info->printFct_;
   }

src/quicktimevideo.cpp

@@ -775,7 +775,7 @@ void QuickTimeVideo::CameraTagsDecoder(size_t size_external) {
         buf.read_uint32(0, littleEndian) / static_cast<double>(buf2.read_uint32(0, littleEndian));
     io_->readOrThrow(buf.data(), 10);
     io_->readOrThrow(buf.data(), 4);
-    td = find(whiteBalance, buf.read_uint32(0, littleEndian));
+    td = Exiv2::find(whiteBalance, buf.read_uint32(0, littleEndian));
     if (td)
       xmpData_["Xmp.video.WhiteBalance"] = exvGettext(td->label_);
     io_->readOrThrow(buf.data(), 4);
@@ -814,9 +814,9 @@ void QuickTimeVideo::userDataDecoder(size_t size_external) {
 
     if (buf.data()[0] == 169)
       buf.data()[0] = ' ';
-    td = find(userDatatags, Exiv2::toString(buf.data()));
+    td = Exiv2::find(userDatatags, Exiv2::toString(buf.data()));
 
-    tv = find(userDataReferencetags, Exiv2::toString(buf.data()));
+    tv = Exiv2::find(userDataReferencetags, Exiv2::toString(buf.data()));
 
     if (size <= 12)
       break;
@@ -840,7 +840,7 @@ void QuickTimeVideo::userDataDecoder(size_t size_external) {
       enforce(tv, Exiv2::ErrorCode::kerCorruptedMetadata);
       io_->readOrThrow(buf.data(), 2);
       buf.data()[2] = '\0';
-      tv_internal = find(cameraByteOrderTags, Exiv2::toString(buf.data()));
+      tv_internal = Exiv2::find(cameraByteOrderTags, Exiv2::toString(buf.data()));
 
       if (tv_internal)
         xmpData_[exvGettext(tv->label_)] = exvGettext(tv_internal->label_);
@@ -870,7 +870,7 @@ void QuickTimeVideo::NikonTagsDecoder(size_t size_external) {
   for (int i = 0; i < 100; i++) {
     io_->readOrThrow(buf.data(), 4);
     TagID = buf.read_uint32(0, bigEndian);
-    td = find(NikonNCTGTags, TagID);
+    td = Exiv2::find(NikonNCTGTags, TagID);
 
     io_->readOrThrow(buf.data(), 2);
     dataType = buf.read_uint16(0, bigEndian);
@@ -893,40 +893,40 @@ void QuickTimeVideo::NikonTagsDecoder(size_t size_external) {
       std::memset(buf.data(), 0x0, buf.size());
 
       io_->readOrThrow(buf.data(), 1);
-      td2 = find(PictureControlAdjust, static_cast<int>(buf.data()[0]) & 7);
+      td2 = Exiv2::find(PictureControlAdjust, static_cast<int>(buf.data()[0]) & 7);
       if (td2)
         xmpData_["Xmp.video.PictureControlAdjust"] = exvGettext(td2->label_);
       else
         xmpData_["Xmp.video.PictureControlAdjust"] = static_cast<int>(buf.data()[0]) & 7;
 
       io_->readOrThrow(buf.data(), 1);
-      td2 = find(NormalSoftHard, static_cast<int>(buf.data()[0]) & 7);
+      td2 = Exiv2::find(NormalSoftHard, static_cast<int>(buf.data()[0]) & 7);
       if (td2)
         xmpData_["Xmp.video.PictureControlQuickAdjust"] = exvGettext(td2->label_);
 
       io_->readOrThrow(buf.data(), 1);
-      td2 = find(NormalSoftHard, static_cast<int>(buf.data()[0]) & 7);
+      td2 = Exiv2::find(NormalSoftHard, static_cast<int>(buf.data()[0]) & 7);
       if (td2)
         xmpData_["Xmp.video.Sharpness"] = exvGettext(td2->label_);
       else
         xmpData_["Xmp.video.Sharpness"] = static_cast<int>(buf.data()[0]) & 7;
 
       io_->readOrThrow(buf.data(), 1);
-      td2 = find(NormalSoftHard, static_cast<int>(buf.data()[0]) & 7);
+      td2 = Exiv2::find(NormalSoftHard, static_cast<int>(buf.data()[0]) & 7);
       if (td2)
         xmpData_["Xmp.video.Contrast"] = exvGettext(td2->label_);
       else
         xmpData_["Xmp.video.Contrast"] = static_cast<int>(buf.data()[0]) & 7;
 
       io_->readOrThrow(buf.data(), 1);
-      td2 = find(NormalSoftHard, static_cast<int>(buf.data()[0]) & 7);
+      td2 = Exiv2::find(NormalSoftHard, static_cast<int>(buf.data()[0]) & 7);
       if (td2)
         xmpData_["Xmp.video.Brightness"] = exvGettext(td2->label_);
       else
         xmpData_["Xmp.video.Brightness"] = static_cast<int>(buf.data()[0]) & 7;
 
       io_->readOrThrow(buf.data(), 1);
-      td2 = find(Saturation, static_cast<int>(buf.data()[0]) & 7);
+      td2 = Exiv2::find(Saturation, static_cast<int>(buf.data()[0]) & 7);
       if (td2)
         xmpData_["Xmp.video.Saturation"] = exvGettext(td2->label_);
       else
@@ -936,14 +936,14 @@ void QuickTimeVideo::NikonTagsDecoder(size_t size_external) {
       xmpData_["Xmp.video.HueAdjustment"] = static_cast<int>(buf.data()[0]) & 7;
 
       io_->readOrThrow(buf.data(), 1);
-      td2 = find(FilterEffect, static_cast<int>(buf.data()[0]));
+      td2 = Exiv2::find(FilterEffect, static_cast<int>(buf.data()[0]));
       if (td2)
         xmpData_["Xmp.video.FilterEffect"] = exvGettext(td2->label_);
       else
         xmpData_["Xmp.video.FilterEffect"] = static_cast<int>(buf.data()[0]);
 
       io_->readOrThrow(buf.data(), 1);
-      td2 = find(ToningEffect, static_cast<int>(buf.data()[0]));
+      td2 = Exiv2::find(ToningEffect, static_cast<int>(buf.data()[0]));
       if (td2)
         xmpData_["Xmp.video.ToningEffect"] = exvGettext(td2->label_);
       else
@@ -963,12 +963,12 @@ void QuickTimeVideo::NikonTagsDecoder(size_t size_external) {
       io_->readOrThrow(buf.data(), 2);
       xmpData_["Xmp.video.TimeZone"] = Exiv2::getShort(buf.data(), bigEndian);
       io_->readOrThrow(buf.data(), 1);
-      td2 = find(YesNo, static_cast<int>(buf.data()[0]));
+      td2 = Exiv2::find(YesNo, static_cast<int>(buf.data()[0]));
       if (td2)
         xmpData_["Xmp.video.DayLightSavings"] = exvGettext(td2->label_);
 
       io_->readOrThrow(buf.data(), 1);
-      td2 = find(DateDisplayFormat, static_cast<int>(buf.data()[0]));
+      td2 = Exiv2::find(DateDisplayFormat, static_cast<int>(buf.data()[0]));
       if (td2)
         xmpData_["Xmp.video.DateDisplayFormat"] = exvGettext(td2->label_);
 
@@ -1143,14 +1143,14 @@ void QuickTimeVideo::audioDescDecoder() {
     io_->readOrThrow(buf.data(), 4);
     switch (i) {
       case AudioFormat:
-        td = find(qTimeFileType, Exiv2::toString(buf.data()));
+        td = Exiv2::find(qTimeFileType, Exiv2::toString(buf.data()));
         if (td)
           xmpData_["Xmp.audio.Compressor"] = exvGettext(td->label_);
         else
           xmpData_["Xmp.audio.Compressor"] = Exiv2::toString(buf.data());
         break;
       case AudioVendorID:
-        td = find(vendorIDTags, Exiv2::toString(buf.data()));
+        td = Exiv2::find(vendorIDTags, Exiv2::toString(buf.data()));
         if (td)
           xmpData_["Xmp.audio.VendorID"] = exvGettext(td->label_);
         break;
@@ -1183,14 +1183,14 @@ void QuickTimeVideo::imageDescDecoder() {
 
     switch (i) {
       case codec:
-        td = find(qTimeFileType, Exiv2::toString(buf.data()));
+        td = Exiv2::find(qTimeFileType, Exiv2::toString(buf.data()));
         if (td)
           xmpData_["Xmp.video.Codec"] = exvGettext(td->label_);
         else
           xmpData_["Xmp.video.Codec"] = Exiv2::toString(buf.data());
         break;
       case VendorID:
-        td = find(vendorIDTags, Exiv2::toString(buf.data()));
+        td = Exiv2::find(vendorIDTags, Exiv2::toString(buf.data()));
         if (td)
           xmpData_["Xmp.video.VendorID"] = exvGettext(td->label_);
         break;
@@ -1247,7 +1247,7 @@ void QuickTimeVideo::videoHeaderDecoder(size_t size) {
 
     switch (i) {
       case GraphicsMode:
-        td = find(graphicsModetags, buf.read_uint16(0, bigEndian));
+        td = Exiv2::find(graphicsModetags, buf.read_uint16(0, bigEndian));
         if (td)
           xmpData_["Xmp.video.GraphicsMode"] = exvGettext(td->label_);
         break;
@@ -1274,7 +1274,7 @@ void QuickTimeVideo::handlerDecoder(size_t size) {
 
     switch (i) {
       case HandlerClass:
-        tv = find(handlerClassTags, Exiv2::toString(buf.data()));
+        tv = Exiv2::find(handlerClassTags, Exiv2::toString(buf.data()));
         if (tv) {
           if (currentStream_ == Video)
             xmpData_["Xmp.video.HandlerClass"] = exvGettext(tv->label_);
@@ -1283,7 +1283,7 @@ void QuickTimeVideo::handlerDecoder(size_t size) {
         }
         break;
       case HandlerType:
-        tv = find(handlerTypeTags, Exiv2::toString(buf.data()));
+        tv = Exiv2::find(handlerTypeTags, Exiv2::toString(buf.data()));
         if (tv) {
           if (currentStream_ == Video)
             xmpData_["Xmp.video.HandlerType"] = exvGettext(tv->label_);
@@ -1292,7 +1292,7 @@ void QuickTimeVideo::handlerDecoder(size_t size) {
         }
         break;
       case HandlerVendorID:
-        tv = find(vendorIDTags, Exiv2::toString(buf.data()));
+        tv = Exiv2::find(vendorIDTags, Exiv2::toString(buf.data()));
         if (tv) {
           if (currentStream_ == Video)
             xmpData_["Xmp.video.HandlerVendorID"] = exvGettext(tv->label_);
@@ -1314,7 +1314,7 @@ void QuickTimeVideo::fileTypeDecoder(size_t size) {
 
   for (int i = 0; size / 4 != 0; size -= 4, i++) {
     io_->readOrThrow(buf.data(), 4);
-    td = find(qTimeFileType, Exiv2::toString(buf.data()));
+    td = Exiv2::find(qTimeFileType, Exiv2::toString(buf.data()));
 
     switch (i) {
       case 0:
@@ -1598,7 +1598,7 @@ bool isQTimeType(BasicIo& iIo, bool advance) {
       // we only match if we actually know the video type. This is done
       // to avoid matching just on ftyp because bmffimage also has that
       // header.
-      auto td = find(qTimeFileType, std::string{buf.c_str(8), 4});
+      auto td = Exiv2::find(qTimeFileType, std::string{buf.c_str(8), 4});
       if (td) {
         matched = true;
       }

src/riffvideo.cpp

@@ -772,7 +772,7 @@ void RiffVideo::nikonTagsHandler() {
         io_->read(buf.data(), 2);
         dataSize = Exiv2::getULong(buf.data(), littleEndian);
         temp -= (RIFF_TAG_SIZE + dataSize);
-        td = find(nikonAVITags, tagID);
+        td = Exiv2::find(nikonAVITags, tagID);
 
         if (dataSize <= 0) {
 #ifndef SUPPRESS_WARNINGS
@@ -861,7 +861,7 @@ void RiffVideo::infoTagsHandler() {
     size -= RIFF_TAG_SIZE;
     if (!Exiv2::getULong(buf.data(), littleEndian))
       break;
-    tv = find(infoTags, Exiv2::toString(buf.data()));
+    tv = Exiv2::find(infoTags, Exiv2::toString(buf.data()));
     io_->read(buf.data(), RIFF_TAG_SIZE);
     size -= RIFF_TAG_SIZE;
     infoSize = Exiv2::getULong(buf.data(), littleEndian);
@@ -1132,7 +1132,7 @@ void RiffVideo::streamFormatHandler(size_t size) {
 
       switch (tag) {
         case encoding:
-          td = find(audioEncodingValues, Exiv2::getUShort(buf.data(), littleEndian));
+          td = Exiv2::find(audioEncodingValues, Exiv2::getUShort(buf.data(), littleEndian));
           if (td) {
             xmpData_["Xmp.audio.Compressor"] = exvGettext(td->label_);
           } else {
@@ -1175,8 +1175,7 @@ double RiffVideo::returnSampleRate(Exiv2::DataBuf& buf, size_t divisor) {
 }  // RiffVideo::returnSampleRate
 
 const char* RiffVideo::printAudioEncoding(uint64_t i) {
-  const TagDetails* td;
-  td = find(audioEncodingValues, i);
+  auto td = Exiv2::find(audioEncodingValues, i);
   if (td)
     return exvGettext(td->label_);
 

src/tags_int.cpp

@@ -2320,7 +2320,7 @@ const TagInfo* mnTagList() {
 
 bool isMakerIfd(IfdId ifdId) {
   bool rc = false;
-  const GroupInfo* ii = find(groupInfo, ifdId);
+  auto ii = Exiv2::find(groupInfo, ifdId);
   if (ii && 0 == strcmp(ii->ifdName_, "Makernote")) {
     rc = true;
   }
@@ -2364,7 +2364,7 @@ void taglist(std::ostream& os, IfdId ifdId) {
 }  // taglist
 
 const TagInfo* tagList(IfdId ifdId) {
-  const GroupInfo* ii = find(groupInfo, ifdId);
+  auto ii = Exiv2::find(groupInfo, ifdId);
   if (!ii || !ii->tagList_)
     return nullptr;
   return ii->tagList_();
@@ -2399,21 +2399,21 @@ const TagInfo* tagInfo(const std::string& tagName, IfdId ifdId) {
 
 IfdId groupId(const std::string& groupName) {
   IfdId ifdId = IfdId::ifdIdNotSet;
-  const GroupInfo* ii = find(groupInfo, GroupInfo::GroupName(groupName));
+  auto ii = Exiv2::find(groupInfo, GroupInfo::GroupName(groupName));
   if (ii)
     ifdId = static_cast<IfdId>(ii->ifdId_);
   return ifdId;
 }
 
 const char* ifdName(IfdId ifdId) {
-  const GroupInfo* ii = find(groupInfo, ifdId);
+  auto ii = Exiv2::find(groupInfo, ifdId);
   if (!ii)
     return groupInfo[0].ifdName_;
   return ii->ifdName_;
 }
 
 const char* groupName(IfdId ifdId) {
-  const GroupInfo* ii = find(groupInfo, ifdId);
+  auto ii = Exiv2::find(groupInfo, ifdId);
   if (!ii)
     return groupInfo[0].groupName_;
   return ii->groupName_;
@@ -3047,7 +3047,7 @@ const GroupInfo* groupList() {
 }
 
 const TagInfo* tagList(const std::string& groupName) {
-  const GroupInfo* ii = find(groupInfo, GroupInfo::GroupName(groupName));
+  auto ii = Exiv2::find(groupInfo, GroupInfo::GroupName(groupName));
   if (!ii || !ii->tagList_) {
     return nullptr;
   }

src/tags_int.hpp

@@ -95,7 +95,7 @@ struct TagVocabulary {
  */
 template <size_t N, const StringTagDetails (&array)[N]>
 std::ostream& printTagString(std::ostream& os, const std::string value, const ExifData*) {
-  const StringTagDetails* td = find(array, value);
+  auto td = Exiv2::find(array, value);
   if (td) {
     os << exvGettext(td->label_);
   } else {
@@ -152,7 +152,7 @@ std::ostream& printTagString4(std::ostream& os, const Value& value, const ExifDa
  */
 template <size_t N, const TagDetails (&array)[N]>
 std::ostream& printTagNoError(std::ostream& os, const int64_t value, const ExifData*) {
-  const TagDetails* td = find(array, value);
+  auto td = Exiv2::find(array, value);
   if (td) {
     os << exvGettext(td->label_);
   } else {
@@ -179,7 +179,7 @@ std::ostream& printTagNoError(std::ostream& os, const Value& value, const ExifDa
  */
 template <size_t N, const TagDetails (&array)[N]>
 std::ostream& printTag(std::ostream& os, const int64_t value, const ExifData*) {
-  const TagDetails* td = find(array, value);
+  auto td = Exiv2::find(array, value);
   if (td) {
     os << exvGettext(td->label_);
   } else {
@@ -300,7 +300,7 @@ std::ostream& printTagBitlistAllLE(std::ostream& os, const Value& value, const E
  */
 template <size_t N, const TagVocabulary (&array)[N]>
 std::ostream& printTagVocabulary(std::ostream& os, const Value& value, const ExifData*) {
-  const TagVocabulary* td = find(array, value.toString());
+  auto td = Exiv2::find(array, value.toString());
   if (td) {
     os << exvGettext(td->label_);
   } else {
@@ -322,7 +322,7 @@ std::ostream& printTagVocabularyMulti(std::ostream& os, const Value& value, cons
   for (size_t i = 0; i < value.count(); i++) {
     if (i != 0)
       os << ", ";
-    const TagVocabulary* td = find(array, value.toString(i));
+    auto td = Exiv2::find(array, value.toString(i));
     if (td) {
       os << exvGettext(td->label_);
     } else {

src/tiffimage_int.cpp

@@ -1967,7 +1967,7 @@ const TiffMappingInfo TiffMapping::tiffMappingInfo_[] = {
 
 DecoderFct TiffMapping::findDecoder(const std::string& make, uint32_t extendedTag, IfdId group) {
   DecoderFct decoderFct = &TiffDecoder::decodeStdTiffEntry;
-  const TiffMappingInfo* td = find(tiffMappingInfo_, TiffMappingInfo::Key(make, extendedTag, group));
+  auto td = Exiv2::find(tiffMappingInfo_, TiffMappingInfo::Key(make, extendedTag, group));
   if (td) {
     // This may set decoderFct to 0, meaning that the tag should not be decoded
     decoderFct = td->decoderFct_;
@@ -1977,7 +1977,7 @@ DecoderFct TiffMapping::findDecoder(const std::string& make, uint32_t extendedTa
 
 EncoderFct TiffMapping::findEncoder(const std::string& make, uint32_t extendedTag, IfdId group) {
   EncoderFct encoderFct = nullptr;
-  const TiffMappingInfo* td = find(tiffMappingInfo_, TiffMappingInfo::Key(make, extendedTag, group));
+  auto td = Exiv2::find(tiffMappingInfo_, TiffMappingInfo::Key(make, extendedTag, group));
   if (td) {
     // Returns 0 if no special encoder function is found
     encoderFct = td->encoderFct_;

src/types.cpp

@@ -22,7 +22,7 @@
 // *****************************************************************************
 namespace {
 //! Information pertaining to the defined %Exiv2 value type identifiers.
-struct TypeInfoTable {
+constexpr struct TypeInfoTable {
   Exiv2::TypeId typeId_;  //!< Type id
   const char* name_;      //!< Name of the type
   size_t size_;           //!< Bytes per data entry
@@ -34,34 +34,32 @@ struct TypeInfoTable {
   bool operator==(const std::string& name) const {
     return name == name_;
   }
-};  // struct TypeInfoTable
-
-//! Lookup list with information of Exiv2 types
-constexpr auto typeInfoTable = std::array{
-    TypeInfoTable{Exiv2::invalidTypeId, "Invalid", 0},
-    TypeInfoTable{Exiv2::unsignedByte, "Byte", 1},
-    TypeInfoTable{Exiv2::asciiString, "Ascii", 1},
-    TypeInfoTable{Exiv2::unsignedShort, "Short", 2},
-    TypeInfoTable{Exiv2::unsignedLong, "Long", 4},
-    TypeInfoTable{Exiv2::unsignedRational, "Rational", 8},
-    TypeInfoTable{Exiv2::signedByte, "SByte", 1},
-    TypeInfoTable{Exiv2::undefined, "Undefined", 1},
-    TypeInfoTable{Exiv2::signedShort, "SShort", 2},
-    TypeInfoTable{Exiv2::signedLong, "SLong", 4},
-    TypeInfoTable{Exiv2::signedRational, "SRational", 8},
-    TypeInfoTable{Exiv2::tiffFloat, "Float", 4},
-    TypeInfoTable{Exiv2::tiffDouble, "Double", 8},
-    TypeInfoTable{Exiv2::tiffIfd, "Ifd", 4},
-    TypeInfoTable{Exiv2::string, "String", 1},
-    TypeInfoTable{Exiv2::date, "Date", 8},
-    TypeInfoTable{Exiv2::time, "Time", 11},
-    TypeInfoTable{Exiv2::comment, "Comment", 1},
-    TypeInfoTable{Exiv2::directory, "Directory", 1},
-    TypeInfoTable{Exiv2::xmpText, "XmpText", 1},
-    TypeInfoTable{Exiv2::xmpAlt, "XmpAlt", 1},
-    TypeInfoTable{Exiv2::xmpBag, "XmpBag", 1},
-    TypeInfoTable{Exiv2::xmpSeq, "XmpSeq", 1},
-    TypeInfoTable{Exiv2::langAlt, "LangAlt", 1},
+} typeInfoTable[] = {
+    //! Lookup list with information of Exiv2 types
+    {Exiv2::invalidTypeId, "Invalid", 0},
+    {Exiv2::unsignedByte, "Byte", 1},
+    {Exiv2::asciiString, "Ascii", 1},
+    {Exiv2::unsignedShort, "Short", 2},
+    {Exiv2::unsignedLong, "Long", 4},
+    {Exiv2::unsignedRational, "Rational", 8},
+    {Exiv2::signedByte, "SByte", 1},
+    {Exiv2::undefined, "Undefined", 1},
+    {Exiv2::signedShort, "SShort", 2},
+    {Exiv2::signedLong, "SLong", 4},
+    {Exiv2::signedRational, "SRational", 8},
+    {Exiv2::tiffFloat, "Float", 4},
+    {Exiv2::tiffDouble, "Double", 8},
+    {Exiv2::tiffIfd, "Ifd", 4},
+    {Exiv2::string, "String", 1},
+    {Exiv2::date, "Date", 8},
+    {Exiv2::time, "Time", 11},
+    {Exiv2::comment, "Comment", 1},
+    {Exiv2::directory, "Directory", 1},
+    {Exiv2::xmpText, "XmpText", 1},
+    {Exiv2::xmpAlt, "XmpAlt", 1},
+    {Exiv2::xmpBag, "XmpBag", 1},
+    {Exiv2::xmpSeq, "XmpSeq", 1},
+    {Exiv2::langAlt, "LangAlt", 1},
 };
 
 }  // namespace
@@ -70,22 +68,22 @@ constexpr auto typeInfoTable = std::array{
 // class member definitions
 namespace Exiv2 {
 const char* TypeInfo::typeName(TypeId typeId) {
-  auto tit = std::find(typeInfoTable.begin(), typeInfoTable.end(), typeId);
-  if (tit == typeInfoTable.end())
+  auto tit = Exiv2::find(typeInfoTable, typeId);
+  if (!tit)
     return nullptr;
   return tit->name_;
 }
 
 TypeId TypeInfo::typeId(const std::string& typeName) {
-  auto tit = std::find(typeInfoTable.begin(), typeInfoTable.end(), typeName);
-  if (tit == typeInfoTable.end())
+  auto tit = Exiv2::find(typeInfoTable, typeName);
+  if (!tit)
     return invalidTypeId;
   return tit->typeId_;
 }
 
 size_t TypeInfo::typeSize(TypeId typeId) {
-  auto tit = std::find(typeInfoTable.begin(), typeInfoTable.end(), typeId);
-  if (tit == typeInfoTable.end())
+  auto tit = Exiv2::find(typeInfoTable, typeId);
+  if (!tit)
     return 0;
   return tit->size_;
 }