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 55 of file fileio.h.

Member Function Documentation

Delete()

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

static

Definition at line 104 of file fileio.cpp.

                                                  {
 WIN32_FIND_DATA data;
 BOOL result = TRUE;
 HANDLE handle = FindFirstFile(pattern, &data);
 bool all_deleted = true;
 if (handle != INVALID_HANDLE_VALUE) {
   for (; result; result = FindNextFile(handle, &data)) {
      all_deleted &= File::Delete(data.cFileName);
   }
   FindClose(handle);

DeleteMatchingFiles()

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

static

Definition at line 133 of file fileio.cpp.

  : stream_(stream) {
}
 
InputBuffer::InputBuffer(FILE* stream, size_t)
  : stream_(stream) {
}

JoinPath()

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

static

Definition at line 98 of file fileio.cpp.

                   {
    tprintf("ERROR: Unable to delete file '%s$: %s\n", pathname,
            strerror(errno));
    return false;
  }

Open()

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

static

Definition at line 54 of file fileio.cpp.

OpenOrDie()

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

static

Definition at line 58 of file fileio.cpp.

                         {
    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);
}

Readable()

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

static

Definition at line 80 of file fileio.cpp.

                                                                         {
  return (prefix.empty() || prefix[prefix.size() - 1] == '/')

ReadFileToString()

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

static

Definition at line 89 of file fileio.cpp.

             : prefix + "/" + suffix;
}
 
bool File::Delete(const char* pathname) {
#if !defined(_WIN32) || defined(__MINGW32__)
  const int status = unlink(pathname);
#else
  const int status = _unlink(pathname);

WriteStringToFileOrDie()

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

static

Definition at line 68 of file fileio.cpp.

                                             {
  FILE* stream = fopen(filename.c_str(), "rb");
  if (stream == nullptr) {
    return false;
  }
  fclose(stream);
  return true;
}
 
bool File::ReadFileToString(const std::string& filename, std::string* out) {
  FILE* stream = File::Open(filename.c_str(), "rb");

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

• /tesseract/src/training/fileio.h
• /tesseract/src/training/fileio.cpp