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JCSM Shareware Collection 1996 September
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JCSM Shareware Collection (JCS Distribution) (September 1996).ISO
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gameothr
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wordy411.zip
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PATTERN.C
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C/C++ Source or Header
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1995-12-17
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9KB
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342 lines
/**************************************************************************/
/* PATTERN-MATCH UTILITY */
/* */
/* M\Cooper */
/* 3425 Chestnut Ridge Rd. */
/* Grantsville, MD 21536-9801 */
/* -------------------------- */
/* Email: thegrendel@aol.com */
/* */
/* $2.00 to register the entire WORDY package */
/* */
/**************************************************************************/
#include <conio.h>
#include <ctype.h>
#include "srch.h"
//srch.h (source) is part of the WORDY package
#define FILE_OPENING_ERROR 3
#define FILENAME_MAXLEN 40
#define CR "\n"
#define FILE_SUFFIX ".pat"
#define MAXLEN 30
#define MAXWORDLEN 30
#define LINE_LEN 80
#define NOARGS 1
#define INCREMENT 1
#define SPACE ' '
#define DBLBAR 205
#define WILDCARD '?'
//Wildcard character in command line, may be changed
#define WRONG_SPECS 10
#define PATTERN_TOO_LONG 20
#define BUFFERSIZE 8192
char ad[] =
"PATTERN MATCH util. : M\\Cooper, 3425 Chestnut Ridge Rd., Grantsville, MD 21536";
typedef enum { FALSE, TRUE } Boolean;
typedef enum { OFF, ON } Flag;
Boolean qualify( char *In );
void getword( char *lset, char *filename );
void center( char *strng );
Boolean is_valid_word( char *Pattern, char *Word );
void main( int argc, char **argv )
{
char letterset [MAXLEN],
iset [5 * MAXLEN],
filename [FILENAME_MAXLEN];
if( argc == NOARGS )
{
clrscr();
puts( "Enter a LETTER PATTERN to test [example 1231234] " );
gets( iset );
if( strlen( iset ) >= MAXWORDLEN - 2 )
{
printf( "\n\nPattern too long!\n" );
exit( PATTERN_TOO_LONG );
}
strcpy( letterset, iset );
strcpy( filename, "word.lst" ); //default
}
else
if( argc == NOARGS + 1 )
{
if( strlen( *(argv +1) ) >= MAXWORDLEN - 2 )
{
printf( "\n\nPattern too long!\n" );
exit( PATTERN_TOO_LONG);
}
strcpy( letterset, *(argv + 1) );
strcpy( filename, "word.lst" ); //default
}
else
{
if( strlen( *(argv +1) ) >= MAXWORDLEN - 2 )
{
printf( "\n\nPattern too long!\n" );
exit( PATTERN_TOO_LONG);
}
strcpy( letterset, *(argv + 1) );
strcpy( filename, *(argv + 2) );
}
if( !qualify( letterset ) )
{
printf( "\nInput to program must be a string of digits\n" );
printf( "in *ascending* order, beginning with '1'.\n" );
printf( "Previously used digits may be repeated.\n" );
exit( WRONG_SPECS );
}
getword( letterset, filename );
}
/**********************************WORDTEST********************************/
/* Function tests if word is constructible from Letterset */
/* Args in: char *letterset, char *word */
/* Returns: error_flag == TRUE (1) if constructible, FALSE (0) if not */
/**************************************************************************/
Boolean wordtest( char *letterset, char *word )
{
Boolean error_flag;
static char dup_lset[ MAXLEN ];
register unsigned int cnt = 0,
u,
v;
strcpy( dup_lset, letterset );
u = strlen( word );
v = strlen( letterset );
while( ( *letterset == *word ) || *letterset == WILDCARD )
{
letterset++;
word++;
cnt++;
}
if( u <= cnt && u == v )
error_flag = TRUE;
else
error_flag = FALSE;
return( error_flag );
}
/**************************************************************************/
void getword( char *letter_set, char *filename )
{
char l_set [ MAXLEN ],
word [ MAXLEN ],
tempstr [ MAXLEN + 1 ],
targetfile [ MAXLEN ],
bar [ LINE_LEN + 1 ],
double_bar [ LINE_LEN + 1 ],
messg [7];
FILE *fptr,
*tfile;
int fnamelen;
long wcount = 0L;
memset( bar, '*', LINE_LEN );
*( bar + LINE_LEN ) = NULL;
memset( double_bar, DBLBAR, LINE_LEN );
*( double_bar + LINE_LEN ) = NULL;
/*************opening credits*************/
clrscr();
printf( double_bar );
strcpy( tempstr, ad );
center ( tempstr );
printf( tempstr );
printf( CR );
printf( double_bar );
printf( CR );
/****************************************/
strcpy ( l_set, letter_set );
strcat ( letter_set, CR );
/* Create name of file to store derived words in */
/*********************************************************/
strcpy( targetfile, "matched.pat" );
/*********************************************************/
if( !( fptr = fopen( filename, "rt" ) ) )
{
printf( "\7\7\7Cannot open word file %s!", filename );
exit( FILE_OPENING_ERROR );
}
if( setvbuf( fptr, NULL, _IOFBF, 2 * BUFFERSIZE ) )
exit( FILE_OPENING_ERROR + 1 );
if( !( tfile = fopen( targetfile, "wt" ) ) )
{
printf( "\7\7\7Cannot open file to save words in!" );
exit ( FILE_OPENING_ERROR + 1 );
}
if( setvbuf( fptr, NULL, _IOFBF, BUFFERSIZE ) )
exit( FILE_OPENING_ERROR + 2 );
/**************'Wait' Message************/
printf( CR CR );
printf( "WORKING...\n\n" );
printf( "This will take a few seconds...\n" );
printf( "Please be patient.\n\n" );
printf( "Now searching 100,000+ word file and writing file of valid words.\n\n" );
/*****************************************/
sprintf( tempstr, "Words fitting the pattern of: %s\n", strupr( l_set ) );
center( tempstr );
fprintf( tfile, double_bar );
fprintf( tfile, CR );
fprintf( tfile, tempstr );
fprintf( tfile, double_bar );
fprintf( tfile, CR );
/*********************Main Loop*************/
while( fgets( word, MAXLEN, fptr ) != NULL )
if( is_valid_word( letter_set, word ) )
{
fprintf( tfile, "%s", word );
wcount++;
}
/*******************************************/
if( wcount == INCREMENT )
strcpy( messg, "word" );
else
strcpy( messg, "words" );
fprintf( tfile, bar );
fprintf( tfile, CR );
sprintf( tempstr, "%ld %s fit the pattern of %s.",
wcount, messg, l_set );
center( tempstr );
fprintf( tfile, tempstr );
fprintf( tfile, "\n\n" );
center( ad );
fprintf( tfile, ad );
fcloseall();
sprintf( tempstr,
"The file %s has %ld %s fitting the pattern of %s\7.",
targetfile, wcount, messg, l_set );
center( tempstr );
printf( CR CR );
printf( tempstr );
}
void center( char *str )
{
int padding;
char st [ LINE_LEN + INCREMENT ];
padding = LINE_LEN / 2 - strlen( str ) / 2;
memset( st, SPACE, padding );
*( st + padding ) = NULL; //Terminate string
strcat( st, str );
strcpy( str, st );
return;
}
Boolean is_valid_word( char *pattern, char *word )
{
char letter,
wd [MAXWORDLEN],
*index;
int wlen,
n,
cindex = 0;
strcpy( wd, word ); //wd is working copy of word.
wlen = strlen( wd );
for( n = 0; n < wlen; n++ )
{
letter = *( wd + n );
if( !isalpha( letter ) )
continue;
cindex++;
while( NULL != ( index = strchr( wd, letter) ) )
*index = cindex + '0';
//Replace all instances of that letter with appropriate 'number'.
}
if( !strcmp( wd, pattern ) )
return( TRUE );
else
return( FALSE );
}
Boolean qualify( char *Input )
{
size_t l;
int i,
n;
Flag F [MAXWORDLEN];
for( i = 2; i < MAXWORDLEN; i++ )
F[i] = OFF;
F[0] = F[1] = ON;
l = strlen ( Input );
for( i = 0; i < l; i++ )
if( !isdigit( *(Input +i) ) )
return( FALSE );
if( *Input != '1' )
return( FALSE );
for( i = 1; i < l; i++ )
{
n = Input[i] - '0';
if( F[n] ) //Number already used. Is o.k.
continue;
if( F[n-1] ) //Previous consecutive number already used. Is o.k.
{
F[n] = ON;
continue;
}
return( FALSE ); //Default.
}
return( TRUE );
}