example_uri.c File Reference

Example of using the librnr URI utilities. More...

#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdarg.h>
#include "rnr/rnrconfig.h"
#include "rnr/new.h"
#include "rnr/uri.h"

Go to the source code of this file.

Macros
#define	SAFESTR(s)   ((s) != NULL? s: "")
	Make a safe string. More...

Functions
static char *	strip (char *s)
	Strip leading and trailing white space. More...
int	main (int argc, char *argv[])
	Example main. More...

Detailed Description

Example of using the librnr URI utilities.

LastChangedDate

2011-11-18 13:30:34 -0700 (Fri, 18 Nov 2011)

Rev

1577

Author

Robin Knight (robin.nosp@m..kni.nosp@m.ght@r.nosp@m.oadn.nosp@m.arrow.nosp@m.s.co.nosp@m.m)

Copyright

© 2011-2018. RoadNarrows LLC..
http://www.roadnarrows.com
All Rights Reserved

Definition in file example_uri.c.

Macro Definition Documentation

#define SAFESTR

(

s

)

((s) != NULL? s: "")

Make a safe string.

Parameters

s	String to safe.

Definition at line 58 of file example_uri.c.

Referenced by main().

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

Example main.

Parameters

argc	Command-line argument count.
argv	Command-line argument list.

Exit Status:

Program exits with 0 success, > 0 on failure.

Definition at line 109 of file example_uri.c.

References uri_struct_t::m_nPortNum, uri_struct_t::m_sHostName, uri_struct_t::m_sPath, uri_struct_t::m_sQuery, uri_struct_t::m_sScheme, uri_struct_t::m_sUserInfo, SAFESTR, strip(), UriDelete(), UriParseNew(), and UriStrNew().

{
  char    buf[256];
  char   *sCmd;
  Uri_T  *pUri;
  char   *sUri;

  printf("Uniform Resource Indentifier Example.\n");
  printf("  (enter 'quit' to quit programe)\n\n");

  // process user commands
  for(;;)
  {
    printf("enter uri> ");

    // read user input
    if( !fgets(buf, (int)sizeof(buf), stdin) )
    {
      break;
    }

    sCmd = strip(buf);

    // null command
    if( (*sCmd == '\0') || (*sCmd == '\n') )
    {
      continue;
    }

    else if( !strcmp(sCmd, "quit") )
    {
      break;
    }

    else
    {
      pUri = UriParseNew(sCmd);
      printf("UriParseNew() ->\n");
      printf("{\n");
      printf("  m_sScheme   = \"%s\"\n", SAFESTR(pUri->m_sScheme));
      printf("  m_sUserInfo = \"%s\"\n", SAFESTR(pUri->m_sUserInfo));
      printf("  m_sHostName = \"%s\"\n", SAFESTR(pUri->m_sHostName));
      printf("  m_nPortNum  = %d\n",     pUri->m_nPortNum);
      printf("  m_sPath     = \"%s\"\n", SAFESTR(pUri->m_sPath));
      printf("  m_sQuery    = \"%s\"\n", SAFESTR(pUri->m_sQuery));
      printf("}\n");

      sUri = UriStrNew(pUri);
      printf("UriStrNew() -> \"%s\"\n", SAFESTR(sUri));
      delete(sUri);

      UriDelete(pUri);
      printf("UriDelete() -> deleted\n");
    }
  }

  return 0;
}

static char* strip ( char *  s )

static

Strip leading and trailing white space.

An 0 is insterted to strip the trailing white space.

Parameters

[out]

s

String to strip.

Returns

Returns pointer to start of non-white space token.

Definition at line 69 of file example_uri.c.

Referenced by main().

{
  size_t  n;
  char   *t;

  while( *s && isspace((int)*s))
  {
    s++;
  }

  if( *s == '\0' )
  {
    return s;
  }

  n = strlen(s);

  t = s + n - 1;
  
  while( (t > s) && isspace((int)*t))
  {
    t--;
  }

  t++;

  *t = '\0';

  return s;
}