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openvrml::doc Class Reference

List of all members.

Detailed Description

A class to contain document references.

This is just a shell until a real http protocol library is found...


Public Member Functions

 doc (const std::string &url=std::string(), const doc *relative=0)
 Constructor.
 doc (const std::string &url, const doc2 *relative)
 Constructor.
 ~doc ()
 Destructor.
void seturl (const char *url, const doc *relative=0)
 Set the URL.
void seturl (const char *url, const doc2 *relative=0)
 Set the URL.
const char * url () const
 Get the URL.
const char * url_base () const
 Get the portion of the path likely to correspond to a file name without its extension.
const char * url_ext () const
 Get the portion of the path likely to correspond to a file name extension.
const char * url_path () const
 Get the URL without the last component of the path.
const char * url_protocol () const
 Get the URL scheme.
const char * url_modifier () const
 Get the fragment identifier.
const char * local_name ()
 Get the fully qualified name of a local file that is the downloaded resource at url_.
const char * local_path ()
 Get the path of the local file that is the downloaded resource at url_.
FILE * fopen (const char *mode)
 Open a file.
void fclose ()
 Close a file.
std::ostream & output_stream ()
 Get an output stream for writing to the resource.

Private Member Functions

bool filename (char *fn, int nfn)
 Converts a url into a local filename.

Private Attributes

char * url_
 The URL.
std::ostream * out_
 A pointer to a std::ostream used for writing the resource.
FILE * fp_
 A file descriptor for reading the local copy of the resource.
char * tmpfile_
 Name of the temporary file created for the local copy of the resource.

Constructor & Destructor Documentation

openvrml::doc::doc const std::string &  url = std::string(),
const doc relative = 0
[explicit]
 

Constructor.

Parameters:
url an HTTP or file URL.
relative the doc that url is relative to, or 0 if url is an absolute URL.

openvrml::doc::doc const std::string &  url,
const doc2 relative
 

Constructor.

Parameters:
url an HTTP or file URL.
relative the doc2 that url is relative to, or 0 if url is an absolute URL.

openvrml::doc::~doc  ) 
 

Destructor.


Member Function Documentation

void openvrml::doc::seturl const char *  url,
const doc relative = 0
 

Set the URL.

Parameters:
url the new URL.
relative the doc that url is relative to, or 0 if url is an absolute URL.

void openvrml::doc::seturl const char *  url,
const doc2 relative = 0
 

Set the URL.

Parameters:
url the new URL.
relative the doc2 that url is relative to, or 0 if url is an absolute URL.

const char * openvrml::doc::url  )  const
 

Get the URL.

Returns:
the URL.

const char * openvrml::doc::url_base  )  const
 

Get the portion of the path likely to correspond to a file name without its extension.

Returns:
the portion of the last path element preceding the last '.' in the path, or an empty string if the last path element is empty.

const char * openvrml::doc::url_ext  )  const
 

Get the portion of the path likely to correspond to a file name extension.

Returns:
the portion of the last path element succeeding the last '.' in the path, or an empty string if the last path element includes no '.'.

const char * openvrml::doc::url_path  )  const
 

Get the URL without the last component of the path.

In spite of its name, this method does not return the URL's path.

Returns:
the portion of the URL including the scheme, the authority, and all but the last component of the path.

const char * openvrml::doc::url_protocol  )  const
 

Get the URL scheme.

Returns:
the URL scheme.

const char * openvrml::doc::url_modifier  )  const
 

Get the fragment identifier.

Returns:
the fragment identifier, including the leading '#', or an empty string if there is no fragment identifier.

const char * openvrml::doc::local_name  ) 
 

Get the fully qualified name of a local file that is the downloaded resource at url_.

Returns:
the fully qualified name of a local file that is the downloaded resource at url_.

const char * openvrml::doc::local_path  ) 
 

Get the path of the local file that is the downloaded resource at url_.

Returns:
the path of the local file that is the downloaded resource at url_.

FILE * openvrml::doc::fopen const char *  mode  ) 
 

Open a file.

Returns:
a pointer to a FILE struct for the opened file.
Having both fopen and outputStream is dumb.

void openvrml::doc::fclose  ) 
 

Close a file.

Closes the file opened with doc::fopen.

std::ostream & openvrml::doc::output_stream  ) 
 

Get an output stream for writing to the resource.

Returns:
an output stream.

bool openvrml::doc::filename char *  fn,
int  nfn
[private]
 

Converts a url into a local filename.

Return values:
fn a character buffer to hold the local filename.
Parameters:
nfn the number of elements in the buffer fn points to.

Member Data Documentation

char * openvrml::doc::url_ [private]
 

The URL.

std::ostream * openvrml::doc::out_ [private]
 

A pointer to a std::ostream used for writing the resource.

FILE * openvrml::doc::fp_ [private]
 

A file descriptor for reading the local copy of the resource.

char * openvrml::doc::tmpfile_ [private]
 

Name of the temporary file created for the local copy of the resource.