example_cpp.cxx File Reference

Nonsensical example that merely test compiling and linking a C++ applciation agains librnr C library. More...

#include <iostream>
#include <string>
#include <libgen.h>
#include "rnr/rnrconfig.h"
#include "rnr/log.h"
#include "rnr/opts.h"
#include "version.h"
#include "rnr/assoc.h"
#include "rnr/char.h"
#include "rnr/config.h"
#include "rnr/dliststr.h"
#include "rnr/hash.h"
#include "rnr/new.h"

Go to the source code of this file.

Enumerations
enum	BodyId_T {   unknown,   Sun,   Mercury,   Venus,   Earth,   Moon,   Mars,   Phobos,   Deimos,   Ceres,   Jupiter,   Io,   Europa,   Ganymede,   Callisto,   Saturn,   Titan,   Uranus,   Titania,   Neptune,   Triton,   Pluto,   Charon,   Eris,   NumBodies,   unknown,   Sun,   Mercury,   Venus,   Earth,   Moon,   Mars,   Phobos,   Deimos,   Ceres,   Jupiter,   Io,   Europa,   Ganymede,   Callisto,   Saturn,   Titan,   Uranus,   Titania,   Neptune,   Triton,   Pluto,   Charon,   Eris,   NumBodies }
	Major and minor solar body ids (partial, of course).

Functions
static void	logtest_num1 (void *p, const char *sFruit, int n, int half, double f, int hex, bool_t bAreRipe)
	Log test number 1. More...
static int	logtest_num2 (int count)
	Log test number 2. More...
static int	runlogtests ()
	Run log test(s). More...
void	test_assoc (BodyId_T oid)
	Test value to name association. More...
void	test_assoc (const char *name)
	Test name to value association. More...
void	test_char ()
	Test character routine(s).
void	test_config (string inifile)
	Test INI configuration routines.
void	test_dlist ()
	Test doubly-linked list routines.
void	del_node_data (void *key, void *val)
	Delete node data - both key and value are dynamically allocated. More...
void	test_hash ()
	Test hash and new routines.
static int	init (int argc, char *argv[])
	Main initialization. More...
int	main (int argc, char *argv[])
	Example main. More...

Variables
static char *	Argv0
	the command
static int	OptsTest = 1
	test option value
static OptsPgmInfo_T	LogExamplePgmInfo
	Program information. More...
static OptsInfo_T	LogExampleOptsInfo []
Nvp_T	SolarBodyNames []
	Solar body name-id pairs (partial). More...
static string	Colorado14ers [][2]
	Colorado's 14,000+ foot mountains. More...

Detailed Description

Nonsensical example that merely test compiling and linking a C++ applciation agains librnr C library.

$LastChangedDate$ $Rev$

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

© 2010-2018. RoadNarrows LLC..
http://www.roadnarrows.com
All Rights Reserved
All Rights Reserved

Definition in file example_cpp.cxx.

Function Documentation

void del_node_data	(	void *	key,
		void *	val
	)

Delete node data - both key and value are dynamically allocated.

Parameters

key	Data key.
val	Data value.

Definition at line 410 of file example_cpp.cxx.

Referenced by test_hash().

{
  delete((char *)key);
  delete((char *)val);
}

static int init ( int  argc, char *  argv[]  )

static

Main initialization.

Parameters

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

Returns

1 on success, exits on failure.

Definition at line 465 of file example_cpp.cxx.

References Argv0, CHKEXPR_INT, LOG_GET_LOGFP(), LOG_LEVEL_DIAG1, LOGABLE, LOGDIAG1, OptsGet(), OptsTest, and PkgInfo.

Referenced by main().

{
  FILE  *fp;
  int    i;

  // name of this process
  Argv0 = basename(argv[0]);

  // parse input options
  argv = OptsGet(Argv0, &PkgInfo, &LogExamplePgmInfo, LogExampleOptsInfo, true,
                 &argc, argv);

  // test log helper macro
  CHKEXPR_INT(OptsTest, ((OptsTest >= 0) || (OptsTest <= 3)), 0);

  // test complicated logging
  if( LOGABLE(LOG_LEVEL_DIAG1) )
  {
    LOGDIAG1("Post options processed non-option arguments:");
    fp = LOG_GET_LOGFP();
    for(i=0; i<argc; ++i)
    {
      fprintf(fp, "  argv[%d]=\"%s\"\n", i, argv[i]);
    }
  }
 
  return 1;
}

static void logtest_num1 ( void *  p, const char *  sFruit, int  n, int  half, double  f, int  hex, bool_t  bAreRipe  )

static

Log test number 1.

Parameters

p	Void pointer.
sFruit	Character pointer.
n	Integer.
half	Short.
f	Double.
hex	Integer in hex.
bAreRipe	Boolean.

Definition at line 128 of file example_cpp.cxx.

References _TBOOL, _TFLOAT, _THEX, _TINT, _TPTR, _TSHORT, _TSTR, LOGDIAG1CALL, and LOGDIAG2.

Referenced by runlogtests().

{
  // test log function call diagnostics 1
  LOGDIAG1CALL(_TPTR(p), _TSTR(sFruit), _TINT(n), _TSHORT(half), _TFLOAT(f),
      _THEX(hex), _TBOOL(bAreRipe));

  // test diagnostic 2 test
  if( bAreRipe )
  {
    LOGDIAG2("There are %d juicy %s in %s", n, sFruit, "Tuscany");
  }
  else
  {
    LOGDIAG2("There are %d green %s in %s", n, sFruit, "Utah");
  }
}

static int logtest_num2 ( int  count )

static

Log test number 2.

Parameters

count

Count.

Definition at line 151 of file example_cpp.cxx.

References _TINT, LOGDIAG2CALL, LOGDIAG4, LOGERROR, LOGSYSERROR, and NULL.

Referenced by runlogtests().

{
  FILE        *fp;
  const char  *sFileName = "PackingShedOnStrike.newsflash";

  // test log function call diagnostics 2
  LOGDIAG2CALL(_TINT(count));

  // test error logging
  while( count-- > 0 )
  {
    LOGERROR("Salmonella scare %d...", count);
  }

  // test system error logging
  if( (fp = fopen(sFileName, "r")) == NULL )
  {
    LOGSYSERROR("%s", sFileName);
  }
  else
  {
    LOGDIAG4("%s: what a pleasant surprise", sFileName);
    fclose(fp);
  }
}

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 503 of file example_cpp.cxx.

References init(), runlogtests(), test_assoc(), test_char(), test_config(), test_dlist(), and test_hash().

{
  cout  << "Testing librnr Linkage" << endl
        << "----------------------" << endl;

  cout << "* Validate options and logging." << endl;
  if( !init(argc, argv) )
  {
    return 3;
  }
  runlogtests();

  cout << "* Validate associative mapping." << endl;
  test_assoc(Titania);
  test_assoc("Moon");
  cout << endl;

  cout << "* Validate char." << endl;
  test_char();
  cout << endl;

  cout << "* Validate config (ini)." << endl;
  test_config("example.ini");
  cout << endl;

  cout << "* Validate string dlist." << endl;
  test_dlist();
  cout << endl;

  cout << "* Validate hash and new." << endl;
  test_hash();
  cout << endl;

  return 0;
}

static int runlogtests ( )

static

Run log test(s).

Returns

1 on success, > 0 on failure.

Definition at line 182 of file example_cpp.cxx.

References LOGERROR, logtest_num1(), logtest_num2(), and OptsTest.

Referenced by main().

{
  short   h = 10;
  int     i = 12;

  switch( OptsTest )
  {
    case 0:
      break;
    case 1:
      logtest_num1(&i, "apples", 53, h, 123.5, 0xdead, false);
      break;
    case 2:
      logtest_num2(3);
      break;
    case 3:
      logtest_num1(&h, "pears", 12, h, -1.5E-2, 0xf1, true);
      logtest_num2(3);
      break;
    default:
      LOGERROR("bug: %d: unexpected test", OptsTest);
      return 0;
  }
  return 1;
}

void test_assoc

(

BodyId_T

oid

)

Test value to name association.

Parameters

oid

Value.

Definition at line 273 of file example_cpp.cxx.

References arraysize, and NvpVal2Name().

Referenced by main().

{
  cout  << oid << " --> " 
        << NvpVal2Name(SolarBodyNames, arraysize(SolarBodyNames), (int)oid)
        << endl;
}

void test_assoc

(

const char *

name

)

Test name to value association.

Parameters

name

Name.

Definition at line 285 of file example_cpp.cxx.

References arraysize, and NvpName2Val().

{
  cout  << name << " --> " 
        << NvpName2Val(SolarBodyNames, arraysize(SolarBodyNames), name)
        << endl;
}

Variable Documentation

string Colorado14ers[][2]

static

Initial value:

=
{
  {"mt_elbert",         "14,433"},
  {"mt_massive",        "14,421"},
  {"mt_harvard",        "14,420"},
  {"blanca_peak",       "14,345"},
  {"la_plata_peak",     "14,336"},
  {"uncompahgre_peak",  "14,309"},
  {"crestone_peak",     "14,294"},
  {"mt_lincoln",        "14,286"},
  {"grays_peak",        "14,270"},
  {"mt_antero",         "14,269"},
  {"torreys_peak",      "14,267"},
  {"castle_peak",       "14,265"},
  {"quandary_peak",     "14,265"},
  {"mt_evans",          "14,264"},
  {"longs_peak",        "14,255"},
  {"mt_wilson",         "14,246"}
}

Colorado's 14,000+ foot mountains.

N.B. there are 53 of them, I'm stopping at the highest 16.

Definition at line 384 of file example_cpp.cxx.

Referenced by test_hash().

OptsInfo_T LogExampleOptsInfo[]

static

Initial value:

=
{
  
  {
    "test",             
    't',                
    required_argument,  
    true,               
    &OptsTest,          
    OptsCvtArgInt,      
    OptsFmtInt,         
    "<test>",           
                        
    "Set the logging test(s) to conduct.\n"
    "%A is one of:\n"
    "  0   - No tests.\n"
    "  1   - Test #1.\n"
    "  2   - Test #2.\n"
    "  3   - All tests."
  },

  {NULL, }
}

Definition at line 93 of file example_cpp.cxx.

OptsPgmInfo_T LogExamplePgmInfo

static

Initial value:

= 
{
  
  NULL,

  
  "Example of C++ using librnr grab bag of goodies.",

  
  "The %P command demonstrates compiling-linking C++ with librnr facilities.",

  
  NULL
}

Program information.

Note

The dot initialization of C is far superior to C++ fixed order for complex fixed structures.

Definition at line 75 of file example_cpp.cxx.

Nvp_T SolarBodyNames[]

Initial value:

=
{
  {"unknown",   unknown}, 
  {"Sun",       Sun},
  {"Mercury",   Mercury},
  {"Venus",     Venus},
  {"Earth",     Earth},
  {"Moon",      Moon},
  {"Mars",      Mars},
  {"Phobos",    Phobos},
  {"Deimos",    Deimos},
  {"Jupiter",   Jupiter},
  {"Io",        Io},
  {"Europa",    Europa},
  {"Ganymede",  Ganymede},
  {"Callisto",  Callisto},
  {"Saturn",    Saturn},
  {"Titan",     Titan},
  {"Uranus",    Uranus},
  {"Titania",   Titania},
  {"Neptune",   Neptune},
  {"Triton",    Triton},
  {"Ceres",     Ceres},
  {"Pluto",     Pluto},
  {"Charon",    Charon}
}

Solar body name-id pairs (partial).

Definition at line 241 of file example_cpp.cxx.