//======================================================================== // // gfile.h // // Miscellaneous file and directory name manipulation. // // Copyright 1996-2003 Glyph & Cog, LLC // //======================================================================== //======================================================================== // // Modified under the Poppler project - http://poppler.freedesktop.org // // All changes made under the Poppler project to this file are licensed // under GPL version 2 or later // // Copyright (C) 2006 Kristian Høgsberg // Copyright (C) 2009, 2011, 2012, 2017, 2018 Albert Astals Cid // Copyright (C) 2009 Kovid Goyal // Copyright (C) 2013 Adam Reichold // Copyright (C) 2013, 2017 Adrian Johnson // Copyright (C) 2014 Bogdan Cristea // Copyright (C) 2014 Peter Breitenlohner // Copyright (C) 2017 Christoph Cullmann // Copyright (C) 2017 Thomas Freitag // // To see a description of the changes please see the Changelog file that // came with your tarball or type make ChangeLog if you are building from git // //======================================================================== #ifndef GFILE_H #define GFILE_H #include "poppler-config.h" #include #include #include extern "C" { #if defined(_WIN32) # include # ifdef FPTEX # include # else # ifndef NOMINMAX # define NOMINMAX # endif # include # endif #elif defined(ACORN) #elif defined(MACOS) # include #else # if defined(__NetBSD__) # include # endif # include # include # if defined(VMS) # include "vms_dirent.h" # elif defined(HAVE_DIRENT_H) # include # define NAMLEN(d) strlen((d)->d_name) # else # define dirent direct # define NAMLEN(d) (d)->d_namlen # ifdef HAVE_SYS_NDIR_H # include # endif # ifdef HAVE_SYS_DIR_H # include # endif # ifdef HAVE_NDIR_H # include # endif # endif #endif } #include "gtypes.h" class GooString; //------------------------------------------------------------------------ // Get current directory. extern GooString *getCurrentDir(); // Append a file name to a path string. may be an empty // string, denoting the current directory). Returns . extern GooString *appendToPath(GooString *path, const char *fileName); // Grab the path from the front of the file name. If there is no // directory component in , returns an empty string. extern GooString *grabPath(char *fileName); // Is this an absolute path or file name? extern GBool isAbsolutePath(char *path); // Get the modification time for . Returns 0 if there is an // error. extern time_t getModTime(char *fileName); // Create a temporary file and open it for writing. If is not // NULL, it will be used as the file name extension. Returns both the // name and the file pointer. For security reasons, all writing // should be done to the returned file pointer; the file may be // reopened later for reading, but not for writing. The string // should be "w" or "wb". Returns true on success. extern GBool openTempFile(GooString **name, FILE **f, const char *mode); #ifdef _WIN32 // Convert a file name from Latin-1 to UTF-8. extern GooString *fileNameToUTF8(char *path); // Convert a file name from UCS-2 to UTF-8. extern GooString *fileNameToUTF8(wchar_t *path); #endif // Open a file. On Windows, this converts the path from UTF-8 to // UCS-2 and calls _wfopen (if available). On other OSes, this simply // calls fopen. extern FILE *openFile(const char *path, const char *mode); // Just like fgets, but handles Unix, Mac, and/or DOS end-of-line // conventions. extern char *getLine(char *buf, int size, FILE *f); // Like fseek/ftell but uses platform specific variants that support large files extern int Gfseek(FILE *f, Goffset offset, int whence); extern Goffset Gftell(FILE *f); // Largest offset supported by Gfseek/Gftell extern Goffset GoffsetMax(); //------------------------------------------------------------------------ // GooFile //------------------------------------------------------------------------ class GooFile { public: GooFile(const GooFile &) = delete; GooFile& operator=(const GooFile &other) = delete; int read(char *buf, int n, Goffset offset) const; Goffset size() const; static GooFile *open(const GooString *fileName); #ifdef _WIN32 static GooFile *open(const wchar_t *fileName); ~GooFile() { CloseHandle(handle); } // Asuming than on windows you can't change files that are already open bool modificationTimeChangedSinceOpen() const; private: GooFile(HANDLE handleA); HANDLE handle; struct _FILETIME modifiedTimeOnOpen; #else ~GooFile() { close(fd); } bool modificationTimeChangedSinceOpen() const; private: GooFile(int fdA); int fd; struct timespec modifiedTimeOnOpen; #endif // _WIN32 }; //------------------------------------------------------------------------ // GDir and GDirEntry //------------------------------------------------------------------------ class GDirEntry { public: GDirEntry(char *dirPath, char *nameA, GBool doStat); ~GDirEntry(); GooString *getName() { return name; } GooString *getFullPath() { return fullPath; } GBool isDir() { return dir; } private: GDirEntry(const GDirEntry &other); GDirEntry& operator=(const GDirEntry &other); GooString *name; // dir/file name GooString *fullPath; GBool dir; // is it a directory? }; class GDir { public: GDir(char *name, GBool doStatA = gTrue); ~GDir(); GDirEntry *getNextEntry(); void rewind(); private: GDir(const GDir &other); GDir& operator=(const GDir &other); GooString *path; // directory path GBool doStat; // call stat() for each entry? #if defined(_WIN32) WIN32_FIND_DATAA ffd; HANDLE hnd; #elif defined(ACORN) #elif defined(MACOS) #else DIR *dir; // the DIR structure from opendir() #ifdef VMS GBool needParent; // need to return an entry for [-] #endif #endif }; #endif