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Module nanohttp from libxml2

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minimal HTTP implementation allowing to fetch resources like external subset.

Table of Contents

const char *	xmlNanoHTTPAuthHeader	(void * ctx)
void	xmlNanoHTTPCleanup		(void)
void	xmlNanoHTTPClose		(void * ctx)
int	xmlNanoHTTPContentLength	(void * ctx)
const char *	xmlNanoHTTPEncoding	(void * ctx)
int	xmlNanoHTTPFetch		(const char * URL, 
					 const char * filename, 
					 char ** contentType)
void	xmlNanoHTTPInit			(void)
void *	xmlNanoHTTPMethod		(const char * URL, 
					 const char * method, 
					 const char * input, 
					 char ** contentType, 
					 const char * headers, 
					 int ilen)
void *	xmlNanoHTTPMethodRedir		(const char * URL, 
					 const char * method, 
					 const char * input, 
					 char ** contentType, 
					 char ** redir, 
					 const char * headers, 
					 int ilen)
const char *	xmlNanoHTTPMimeType	(void * ctx)
void *	xmlNanoHTTPOpen			(const char * URL, 
					 char ** contentType)
void *	xmlNanoHTTPOpenRedir		(const char * URL, 
					 char ** contentType, 
					 char ** redir)
int	xmlNanoHTTPRead			(void * ctx, 
					 void * dest, 
					 int len)
const char *	xmlNanoHTTPRedir	(void * ctx)
int	xmlNanoHTTPReturnCode		(void * ctx)
int	xmlNanoHTTPSave			(void * ctxt, 
					 const char * filename)
void	xmlNanoHTTPScanProxy		(const char * URL)

Description

Function: xmlNanoHTTPAuthHeader

const char *	xmlNanoHTTPAuthHeader	(void * ctx)

Get the authentication header of an HTTP context

ctx:the HTTP context
Returns:the stashed value of the WWW-Authenticate or Proxy-Authenticate header.

Function: xmlNanoHTTPCleanup

void	xmlNanoHTTPCleanup		(void)

Cleanup the HTTP protocol layer.

Function: xmlNanoHTTPClose

void	xmlNanoHTTPClose		(void * ctx)

This function closes an HTTP context, it ends up the connection and free all data related to it.

ctx:the HTTP context

Function: xmlNanoHTTPContentLength

int	xmlNanoHTTPContentLength	(void * ctx)

Provides the specified content length from the HTTP header.

ctx:the HTTP context
Returns:the specified content length from the HTTP header. Note that a value of -1 indicates that the content length element was not included in the response header.

Function: xmlNanoHTTPEncoding

const char *	xmlNanoHTTPEncoding	(void * ctx)

Provides the specified encoding if specified in the HTTP headers.

ctx:the HTTP context
Returns:the specified encoding or NULL if not available

Function: xmlNanoHTTPFetch

int	xmlNanoHTTPFetch		(const char * URL, 
					 const char * filename, 
					 char ** contentType)

This function try to fetch the indicated resource via HTTP GET and save it's content in the file.

URL:The URL to load
filename:the filename where the content should be saved
contentType:if available the Content-Type information will be returned at that location
Returns:-1 in case of failure, 0 in case of success. The contentType, if provided must be freed by the caller

Function: xmlNanoHTTPInit

void	xmlNanoHTTPInit			(void)

Initialize the HTTP protocol layer. Currently it just checks for proxy information

Function: xmlNanoHTTPMethod

void *	xmlNanoHTTPMethod		(const char * URL, 
					 const char * method, 
					 const char * input, 
					 char ** contentType, 
					 const char * headers, 
					 int ilen)

This function try to open a connection to the indicated resource via HTTP using the given @method, adding the given extra headers and the input buffer for the request content.

URL:The URL to load
method:the HTTP method to use
input:the input string if any
contentType:the Content-Type information IN and OUT
headers:the extra headers
ilen:input length
Returns:NULL in case of failure, otherwise a request handler. The contentType, if provided must be freed by the caller

Function: xmlNanoHTTPMethodRedir

void *	xmlNanoHTTPMethodRedir		(const char * URL, 
					 const char * method, 
					 const char * input, 
					 char ** contentType, 
					 char ** redir, 
					 const char * headers, 
					 int ilen)

This function try to open a connection to the indicated resource via HTTP using the given @method, adding the given extra headers and the input buffer for the request content.

URL:The URL to load
method:the HTTP method to use
input:the input string if any
contentType:the Content-Type information IN and OUT
redir:the redirected URL OUT
headers:the extra headers
ilen:input length
Returns:NULL in case of failure, otherwise a request handler. The contentType, or redir, if provided must be freed by the caller

Function: xmlNanoHTTPMimeType

const char *	xmlNanoHTTPMimeType	(void * ctx)

Provides the specified Mime-Type if specified in the HTTP headers.

ctx:the HTTP context
Returns:the specified Mime-Type or NULL if not available

Function: xmlNanoHTTPOpen

void *	xmlNanoHTTPOpen			(const char * URL, 
					 char ** contentType)

This function try to open a connection to the indicated resource via HTTP GET.

URL:The URL to load
contentType:if available the Content-Type information will be