[FIX] : size and date was not retrieved for file pata name with non utf8 chars (#202)

[ADD] : add a new method in IFileSystem interface for retrieve file size and date (#202)

Author: aiekick

FileSystemBoost.hpp

@@ -171,6 +171,26 @@ class FileSystemBoost : public IGFD::IFileSystem {
     bool IsDirectory(const std::string& vFilePathName) override {
         return fs::is_directory(vFilePathName);
     }
+    void GetFileDateAndSize(const std::string& vFilePathName, const IGFD::FileType& vFileType, std::string& voDate, size_t& voSize) override {
+        namespace fs = boost::filesystem;
+		fs::path fpath(vFilePathName);
+		// date
+		size_t len{};
+		std::time_t cftime = fs::last_write_time(fpath);
+		static char timebuf[100];
+		if (std::strftime(timebuf, sizeof(timebuf), DateTimeFormat, std::localtime(&cftime))) {
+			voDate.assign(timebuf);
+		}
+		// size
+		if (!vFileType.isDir()) {
+			try {
+				voSize = static_cast<size_t>(fs::file_size(fpath));
+			}
+			catch (const fs::filesystem_error&) {
+				voSize = 0; // fallback en cas d'erreur
+			}
+		}
+    }
 };
 
 #define FILE_SYSTEM_OVERRIDE FileSystemBoost

ImGuiFileDialog

@@ -0,0 +1,5 @@
+Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent egestas ut dui id feugiat. 
+Maecenas blandit, nisl et porta tincidunt, erat risus ultricies lectus, et tincidunt dolor risus quis enim. 
+Maecenas urna leo, cursus id dolor quis, molestie pulvinar diam. Vivamus scelerisque nibh sit amet lacus ornare rutrum eget non ligula. 
+Vestibulum tempor libero ipsum. Proin velit mauris, faucibus eu bibendum eu, fringilla id nulla. 
+Vivamus id lectus orci. Nam vitae sagittis ipsum. 

samples/unicode/chinese_Ä║.txt

@@ -729,8 +729,8 @@ void DemoDialog::display(const ImVec4& vDisplayRect) {
                                                                       fileSize.second.c_str(),                               //
                                                                       (vFileInfosPtr->fileNameLevels[0] + ".bin").c_str(),   //
                                                                       statInfosSize.first.c_str(),                           //
-                                                                      statInfosSize.second.c_str());                         //
-                                vFileInfosPtr->tooltipColumn  = 2; // size column
+                                                                      statInfosSize.second.c_str());
+                                vFileInfosPtr->tooltipColumn  = 2;  // size column
                                 vFileInfosPtr->fileSize += (size_t)statInfos.st_size;
                             } else {
                                 // no bin, so escaped.