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- /**************************************************************************/
- /* 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 );
- }
-