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Doc Class Reference

A class to contain document references. More...

List of all members.

Public Methods
	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)
const char *	url () const
	Get the URL.
const char *	urlBase () const
	Get the portion of the path likely to correspond to a file name without its extension.
const char *	urlExt () const
	Get the portion of the path likely to correspond to a file name extension.
const char *	urlPath () const
	Get the URL without the last component of the path.
const char *	urlProtocol () const
	Get the URL scheme.
const char *	urlModifier () const
	Get the fragment identifier.
const char *	localName ()
	Get the fully qualified name of a local file that is the downloaded resource at d_url.
const char *	localPath ()
	Get the path of the local file that is the downloaded resource at d_url.
FILE *	fopen (const char *mode)
	Open a file.
void	fclose ()
	Close a file.
std::ostream &	outputStream ()
	Get an output stream for writing to the resource.
Private Methods
	Doc (Doc const &)
Doc &	operator= (Doc const &)
bool	filename (char *fn, int nfn)
	Converts a url into a local filename.
Private Attributes
char *	d_url
	The URL.
std::ostream *	d_ostream
	A pointer to a std::ostream used for writing the resource.
FILE *	d_fp
	A file descriptor for reading the local copy of the resource.
char *	d_tmpfile
	Name of the temporary file created for the local copy of the resource.

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Detailed Description

A class to contain document references.

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

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Constructor & Destructor Documentation

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.

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.

~Doc (    )

Destructor.

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Member Function Documentation

void fclose (    )

Close a file. Closes the file opened with Doc::fopen.

bool 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.

FILE * 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.

const char * localName (    )

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

const char * localPath (    )

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

std::ostream & outputStream (    )

Get an output stream for writing to the resource. Returns: an output stream.

void 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.

const char * url (    )  const

Get the URL. Returns: the URL.

const char * urlBase (    )  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 * urlExt (    )  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 * urlModifier (    )  const

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

const char * urlPath (    )  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 * urlProtocol (    )  const

Get the URL scheme. Returns: the URL scheme.

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Member Data Documentation

FILE * d_fp [private]

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

std::ostream * d_ostream [private]

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

char * d_tmpfile [private]

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

char * d_url [private]

The URL.