void ListFiles(Client client, uint8_t flags) { // This code is just copied from SdFile.cpp in the SDFat library // and tweaked to print to the client output in html! dir_t p; root.rewind(); while (root.readDir(p) > 0) { // done if past last used entry if (p.name[0] == DIR_NAME_FREE) break; // skip deleted entry and entries for . and .. if (p.name[0] == DIR_NAME_DELETED || p.name[0] == '.') continue; // only list subdirectories and files if (!DIR_IS_FILE_OR_SUBDIR(&p)) continue; // print file name with possible blank fill //root.printDirName(*p, flags & (LS_DATE | LS_SIZE) ? 14 : 0); for (uint8_t i = 0; i < 11; i++) { if (p.name[i] == ' ') continue; if (i == 8) { client.print('.'); } client.print(p.name[i]); } if (DIR_IS_SUBDIR(&p)) { client.print('/'); } // print modify date/time if requested if (flags & LS_DATE) { root.printFatDate(p.lastWriteDate); client.print(' '); root.printFatTime(p.lastWriteTime); } // print size if requested if (!DIR_IS_SUBDIR(&p) && (flags & LS_SIZE)) { client.print(' '); client.print(p.fileSize); } client.println("<br>"); } }
void CardReader::lsDive(const char *prepend,SdFile parent) { dir_t p; uint8_t cnt=0; while (parent.readDir(p, longFilename) > 0) { if( DIR_IS_SUBDIR(&p) && lsAction!=LS_Count && lsAction!=LS_GetFilename) // hence LS_SerialPrint { char path[13*2]; char lfilename[13]; createFilename(lfilename,p); path[0]=0; if(strlen(prepend)==0) //avoid leading / if already in prepend { strcat(path,"/"); } strcat(path,prepend); strcat(path,lfilename); strcat(path,"/"); //Serial.print(path); SdFile dir; if(!dir.open(parent,lfilename, O_READ)) { if(lsAction==LS_SerialPrint) { SERIAL_ECHO_START; SERIAL_ECHOLN(MSG_SD_CANT_OPEN_SUBDIR); SERIAL_ECHOLN(lfilename); } } lsDive(path,dir); //close done automatically by destructor of SdFile } else { if (p.name[0] == DIR_NAME_FREE) break; if (p.name[0] == DIR_NAME_DELETED || p.name[0] == '.'|| p.name[0] == '_') continue; if ( p.name[0] == '.') { if ( p.name[1] != '.') continue; } if (!DIR_IS_FILE_OR_SUBDIR(&p)) continue; filenameIsDir=DIR_IS_SUBDIR(&p); if(!filenameIsDir) { if(p.name[8]!='G') continue; if(p.name[9]=='~') continue; } //if(cnt++!=nr) continue; createFilename(filename,p); if(lsAction==LS_SerialPrint) { SERIAL_PROTOCOL(prepend); SERIAL_PROTOCOLLN(filename); } else if(lsAction==LS_Count) { nrFiles++; } else if(lsAction==LS_GetFilename) { if(cnt==nrFiles) return; cnt++; } } } }
/** * Dive into a folder and recurse depth-first to perform a pre-set operation lsAction: * LS_Count - Add +1 to nrFiles for every file within the parent * LS_GetFilename - Get the filename of the file indexed by nrFiles * LS_SerialPrint - Print the full path of each file to serial output */ void CardReader::lsDive(const char *prepend, SdFile parent, const char * const match/*=NULL*/) { dir_t p; uint8_t cnt = 0; // Read the next entry from a directory while (parent.readDir(p, longFilename) > 0) { // If the entry is a directory and the action is LS_SerialPrint if (DIR_IS_SUBDIR(&p) && lsAction != LS_Count && lsAction != LS_GetFilename) { // Get the short name for the item, which we know is a folder char lfilename[FILENAME_LENGTH]; createFilename(lfilename, p); // Allocate enough stack space for the full path to a folder, trailing slash, and nul boolean prepend_is_empty = (prepend[0] == '\0'); int len = (prepend_is_empty ? 1 : strlen(prepend)) + strlen(lfilename) + 1 + 1; char path[len]; // Append the FOLDERNAME12/ to the passed string. // It contains the full path to the "parent" argument. // We now have the full path to the item in this folder. strcpy(path, prepend_is_empty ? "/" : prepend); // root slash if prepend is empty strcat(path, lfilename); // FILENAME_LENGTH-1 characters maximum strcat(path, "/"); // 1 character // Serial.print(path); // Get a new directory object using the full path // and dive recursively into it. SdFile dir; if (!dir.open(parent, lfilename, O_READ)) { if (lsAction == LS_SerialPrint) { ECHO_LMV(ER, MSG_SD_CANT_OPEN_SUBDIR, lfilename); } } lsDive(path, dir); // close() is done automatically by destructor of SdFile } else { char pn0 = p.name[0]; if (pn0 == DIR_NAME_FREE) break; if (pn0 == DIR_NAME_DELETED || pn0 == '.') continue; if (longFilename[0] == '.') continue; if (!DIR_IS_FILE_OR_SUBDIR(&p)) continue; filenameIsDir = DIR_IS_SUBDIR(&p); if (!filenameIsDir && (p.name[8] != 'G' || p.name[9] == '~')) continue; switch (lsAction) { case LS_Count: nrFiles++; break; case LS_SerialPrint: createFilename(filename, p); ECHO_V(prepend); ECHO_EV(filename); break; case LS_GetFilename: createFilename(filename, p); if (match != NULL) { if (strcasecmp(match, filename) == 0) return; } else if (cnt == nrFiles) return; cnt++; break; } } } // while readDir }