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- /**************************************************************************/
- /* Extract Utility */
- /* */
- /* M\Cooper */
- /* 3425 Chestnut Ridge Rd. */
- /* Grantsville, MD 21536-9801 */
- /* -------------------------- */
- /* Email: thegrendel@aol.com */
- /* */
- /* $2.00 to register the entire WORDY package */
- /* */
- /**************************************************************************/
-
-
- /**********************************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 */
- /**************************************************************************/
-
- #include <conio.h>
- #include "srch.h"
-
-
- #define FILE_OPENING_ERROR 3
- #define FILENAME_MAXLEN 8
- #define CR "\n"
- #define FILE_SUFFIX ".xtr"
- #define MAXLEN 30
- #define LINE_LEN 80
- #define NOARGS 1
- #define INCREMENT 1
- #define SPACE ' '
- #define NOT "~!"
-
- #define BUFFERSIZE 8192
- /*******8K buffer******/
-
- char ad[] =
- "XTRACT tool by M\\Cooper, 3425 Chestnut Ridge Rd., Grantsville, MD 21536";
-
- typedef enum { FALSE, TRUE } Boolean;
-
- void getword( char *lset, char *nlset, char *wrdfile );
- void center( char *strng );
- void parse( char *argument, char *lset, char *not_letterset );
- Boolean wordtest( char *letterset, char *word );
- char *nw_test( char *nlset, char *word );
-
-
- void main( int argc, char **argv )
- {
-
- char letterset[ MAXLEN ],
- n_letterset[ MAXLEN ],
- input_set[ MAXLEN ],
- wfile [ MAXLEN ];
-
- strcpy ( n_letterset, NULL );
-
- if( argc == NOARGS )
- {
- clrscr();
- puts( "Enter a LETTERSET to test [~ or ! for excluded letters]..." );
- gets( input_set );
- parse( input_set, letterset, n_letterset );
-
- printf( "\n\n" );
- puts( "Enter the name of the word file to search... " );
- gets( wfile );
-
- }
- else
- parse( argv[1], letterset, n_letterset );
-
- if( argc == NOARGS + 1 )
- strcpy( wfile, "word.lst" );
- else
- if( argc == NOARGS + 2 )
- strcpy( wfile, argv [2] );
-
- getword( letterset, n_letterset, wfile );
- }
-
-
-
- Boolean wordtest( char *letterset, char *word )
- {
- char temp [MAXLEN],
- *t;
- Boolean error_flag = TRUE;
-
- if( *letterset == NULL )
- return( error_flag ); //All valid if no specs given
-
- strcpy( temp, word ); //Preserve WORD
-
- while( *letterset )
- {
- t = strchr( temp, *letterset++ );
-
- if( !t )
- {
- error_flag = FALSE;
- return( error_flag );
- }
-
- *t = '*'; //Remove occurrence of letter
- }
-
- return( error_flag );
- }
-
- char *nw_test( char *nlset, char *word )
- {
- char *ptr;
-
- ptr = ( strpbrk( word, nlset ) );
-
- return( ptr );
- }
- /*************************************************************/
- void getword( char *letter_set, char *nlset, char *wordfile )
- {
-
- char l_set [ MAXLEN ],
- word [ MAXLEN ],
- tempstr [ MAXLEN + 1 ],
- targetfile [ MAXLEN ],
- bar [ LINE_LEN + 1 ],
- double_bar [ LINE_LEN + 1 ];
-
- FILE *fptr,
- *tfile;
- int fnamelen;
- long wcount = 0L;
-
- memset( bar, '-', LINE_LEN );
- *( bar + LINE_LEN ) = NULL;
- memset( double_bar, '=', 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 */
- /*********************************************************/
- fnamelen = strlen( l_set );
-
- if( fnamelen > 0 )
- {
- if( fnamelen > FILENAME_MAXLEN )
- fnamelen = FILENAME_MAXLEN;
- strncpy( targetfile, l_set, fnamelen );
- *( targetfile + fnamelen ) = NULL;
- //NULL-terminate string, so strcat works, ha, ha.
- }
- else
- strcpy( targetfile, "not" );
-
- strcat( targetfile, FILE_SUFFIX );
- /*********************************************************/
-
- if( !( fptr = fopen( wordfile, "rt" ) ) )
- {
- printf( "\7\7\7Cannot open Wordfile!" );
- exit( FILE_OPENING_ERROR );
- }
- if( setvbuf( fptr, NULL, _IOFBF, 2 * BUFFERSIZE ) )
- exit( FILE_OPENING_ERROR );
-
- if( !( tfile = fopen( targetfile, "wt" ) ) )
- {
- printf( "\7\7\7Cannot open file to save words in!" );
- exit ( FILE_OPENING_ERROR + 1 );
- }
- if( setvbuf( tfile, NULL, _IOFBF, BUFFERSIZE ) )
- exit( FILE_OPENING_ERROR );
-
- /**************'Wait' Message************/
- printf( CR CR );
- printf( "WORKING...\n\n" );
- printf( "This will take from 10 seconds or less [fast 486 machine]\n" );
- printf( "to 5 minutes or more [slow 8088 with old hard drive].\n\n" );
- printf( "Now searching word file %s\nand writing file of valid words containing -%s-",
- wordfile, letter_set );
-
- if( *nlset )
- printf( " but NOT -%s-", nlset );
-
- printf( ".\n\n" );
- /*****************************************/
-
-
-
-
-
- sprintf( tempstr, "Words containing: %s", strupr( l_set ) );
- if( *nlset )
- {
- strcat( tempstr, ", but NOT -" );
- strcat( tempstr, nlset );
- strcat( tempstr, "-" );
- }
- strcat( tempstr, CR );
-
- 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( wordtest( letter_set, word ) )
- if( !nw_test( nlset, word ) )
- {
- fprintf( tfile, "%s", word );
- wcount++;
- }
- /*******************************************/
-
- fprintf( tfile, bar );
- sprintf( tempstr, "%ld words contain %s.",
- wcount, l_set );
- if( *nlset )
- {
- strcat( tempstr, ".. but NOT --- " );
- strcat( tempstr, nlset );
- strcat( tempstr, "." );
- }
-
- center( tempstr );
- fprintf( tfile, tempstr );
- fprintf( tfile, "\n\n" );
-
- center( ad );
- fprintf( tfile, ad );
-
- fcloseall();
-
- sprintf( tempstr,
- "The file %s has %ld words containing %s.",
- targetfile, wcount, l_set );
- if( *nlset )
- {
- strcat( tempstr, ".. but NOT --> " );
- strcat( tempstr, nlset );
- strcat( tempstr, "." );
- }
-
- center( tempstr );
- printf( CR CR );
- printf( tempstr );
- printf( "\7" ); //Bell
-
- }
-
-
-
- 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;
- }
-
- void parse( char *arg, char *letterset, char *nls )
- {
- char *p;
-
- if( *arg == '~' || *arg == '!' )
- {
- *letterset = NULL;
- strcpy( nls, ++arg );
- return;
- }
-
- p = strtok( arg, NOT );
- strcpy( letterset, p );
-
- p = strtok( NULL, NULL );
- if( *p )
- strcpy( nls, p );
-
- return;
- }
-