29 virtual std::string
pathname()
const = 0;
53 virtual bool foreach(std::function<
bool(
const BinaryMessage&)> dest) = 0;
56 virtual void write(
const std::string& msg) = 0;
68 static std::unique_ptr<File>
create(
const std::string&
pathname,
const char* mode);
99 static std::unique_ptr<File>
create(FILE* file,
bool close_on_exit,
const std::string& name=
"(fp)");
117 static std::unique_ptr<File>
create(
Encoding type, FILE* file,
bool close_on_exit,
const std::string& name=
"(fp)");
153 : encoding(encoding) {}
156 operator bool()
const;
Encoding
Supported encodings.
Definition: file.h:20
virtual BinaryMessage read()=0
Read a message from the file.
Common base types used by most of DB-All.e code.
int index
Index of the message from the beginning of the file.
Definition: file.h:150
off_t offset
Start offset of this message inside the file.
Definition: file.h:147
Copyright (C) 2008–2010 ARPA-SIM urpsim@smr.arpa.emr.it
Definition: cmdline.h:17
virtual Encoding encoding() const =0
Get the file encoding.
virtual void write(const std::string &msg)=0
Append the binary message to the file.
static Encoding parse_encoding(const char *s)
Return the Encoding corresponding to the given name.
static std::unique_ptr< File > create(const std::string &pathname, const char *mode)
Open a file from the filesystem, autodetecting the encoding type.
std::string data
Binary message data.
Definition: file.h:137
Binary message.
Definition: file.h:131
static const char * encoding_name(Encoding enc)
Return a string with the name of this encoding.
File::Encoding encoding
Format of the binary data.
Definition: file.h:134
std::string pathname
Pathname of the file from where the BinaryMessage has been read.
Definition: file.h:144
virtual std::string pathname() const =0
Get the file pathname.
File object for doing I/O on binary message streams.
Definition: file.h:17