tesseract::File Class Reference

#include <fileio.h>

Inheritance diagram for tesseract::File:

Static Public Member Functions
static FILE *	OpenOrDie (const std::string &filename, const std::string &mode)
static FILE *	Open (const std::string &filename, const std::string &mode)
static void	WriteStringToFileOrDie (const std::string &str, const std::string &filename)
static bool	Readable (const std::string &filename)
static bool	ReadFileToString (const std::string &filename, std::string *out)
static std::string	JoinPath (const std::string &prefix, const std::string &suffix)
static bool	Delete (const char *pathname)
static bool	DeleteMatchingFiles (const char *pattern)

Detailed Description

Definition at line 44 of file fileio.h.

Member Function Documentation

Delete()

bool tesseract::File::Delete ( const char *  pathname )

static

Definition at line 89 of file fileio.cpp.

                                      {
#if !defined(_WIN32) || defined(__MINGW32__)
  const int status = unlink(pathname);
#else
  const int status = _unlink(pathname);
#endif
  if (status != 0) {
    tprintf("ERROR: Unable to delete file '%s$: %s\n", pathname, strerror(errno));
    return false;
  }
  return true;
}

DeleteMatchingFiles()

bool tesseract::File::DeleteMatchingFiles ( const char *  pattern )

static

Definition at line 117 of file fileio.cpp.

                                                  {
  glob_t pglob;
  char **paths;
  bool all_deleted = true;
  if (glob(pattern, 0, nullptr, &pglob) == 0) {
    for (paths = pglob.gl_pathv; *paths != nullptr; paths++) {
      all_deleted &= File::Delete(*paths);
    }
    globfree(&pglob);
  }
  return all_deleted;
}

JoinPath()

std::string tesseract::File::JoinPath ( const std::string &  prefix, const std::string &  suffix  )

static

Definition at line 84 of file fileio.cpp.

                                                                         {
  return (prefix.empty() || prefix[prefix.size() - 1] == '/') ? prefix + suffix
                                                              : prefix + "/" + suffix;
}

Open()

FILE * tesseract::File::Open ( const std::string &  filename, const std::string &  mode  )

static

Definition at line 41 of file fileio.cpp.

                                                                 {
  return fopen(filename.c_str(), mode.c_str());
}

OpenOrDie()

FILE * tesseract::File::OpenOrDie ( const std::string &  filename, const std::string &  mode  )

static

Definition at line 45 of file fileio.cpp.

                                                                      {
  FILE *stream = fopen(filename.c_str(), mode.c_str());
  if (stream == nullptr) {
    tprintf("Unable to open '%s' in mode '%s': %s\n", filename.c_str(), mode.c_str(),
            strerror(errno));
  }
  return stream;
}

Readable()

bool tesseract::File::Readable ( const std::string &  filename )

static

Definition at line 64 of file fileio.cpp.

                                             {
  FILE *stream = fopen(filename.c_str(), "rb");
  if (stream == nullptr) {
    return false;
  }
  fclose(stream);
  return true;
}

ReadFileToString()

bool tesseract::File::ReadFileToString ( const std::string &  filename, std::string *  out  )

static

Definition at line 73 of file fileio.cpp.

                                                                     {
  FILE *stream = File::Open(filename.c_str(), "rb");
  if (stream == nullptr) {
    return false;
  }
  InputBuffer in(stream);
  *out = "";
  in.Read(out);
  return in.CloseFile();
}

WriteStringToFileOrDie()

void tesseract::File::WriteStringToFileOrDie ( const std::string &  str, const std::string &  filename  )

static

Definition at line 54 of file fileio.cpp.

                                                                                 {
  FILE *stream = fopen(filename.c_str(), "wb");
  if (stream == nullptr) {
    tprintf("Unable to open '%s' for writing: %s\n", filename.c_str(), strerror(errno));
    return;
  }
  fputs(str.c_str(), stream);
  ASSERT_HOST(fclose(stream) == 0);
}

---

The documentation for this class was generated from the following files:

• /media/home/debian/src/github/tesseract-ocr/tesseract/src/training/unicharset/fileio.h
• /media/home/debian/src/github/tesseract-ocr/tesseract/src/training/unicharset/fileio.cpp