/***************************************************************************
* File: string.c *
* *
* Much time and thought has gone into this software and you are *
* benefitting. We hope that you share your changes too. What goes *
* around, comes around. *
* *
* This code was freely distributed with the The Isles 1.1 source code, *
* and has been used here for OLC - OLC would not be what it is without *
* all the previous coders who released their source code. *
* *
***************************************************************************/
#if defined(macintosh)
#include <types.h>
#else
#include <sys/types.h>
#endif
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "merc.h"
/*****************************************************************************
Name: string_append
Purpose: Clears string and puts player into editing mode.
Called by: none
****************************************************************************/
void string_edit( CHAR_DATA *ch, char **pString )
{
act(AT_BLUE, "$n begins editing some text.", ch, NULL, NULL, TO_ROOM );
send_to_char(AT_WHITE, "-========- Entering EDIT Mode -=========-\n\r", ch );
send_to_char(AT_WHITE, " Type .h on a new line for help\n\r", ch );
send_to_char(AT_WHITE, " Terminate with a ~ or @ on a blank line.\n\r", ch );
send_to_char(AT_WHITE, "-=======================================-\n\r", ch );
if ( *pString == NULL )
{
*pString = str_dup( "" );
}
else
{
**pString = '\0';
}
ch->desc->pString = pString;
return;
}
/*****************************************************************************
Name: string_append
Purpose: Puts player into append mode for given string.
Called by: (many)olc_act.c
****************************************************************************/
void string_append( CHAR_DATA *ch, char **pString )
{
act( AT_BLUE, "$n begins editing some text.", ch, NULL, NULL, TO_ROOM );
send_to_char(AT_WHITE, "-=======- Entering APPEND Mode -========-\n\r", ch );
send_to_char(AT_WHITE, " Type .h on a new line for help\n\r", ch );
send_to_char(AT_WHITE, " Terminate with a ~ or @ on a blank line.\n\r", ch );
send_to_char(AT_WHITE, "-=======================================-\n\r", ch );
if ( *pString == NULL )
{
*pString = str_dup( "" );
}
send_to_char(AT_GREEN, *pString, ch );
if ( *(*pString + strlen( *pString ) - 1) != '\r' )
send_to_char(AT_GREEN, "\n\r", ch );
ch->desc->pString = pString;
return;
}
/*****************************************************************************
Name: string_replace
Purpose: Substitutes one string for another.
Called by: string_add(string.c) (aedit_builder)olc_act.c.
****************************************************************************/
char * string_replace( char * orig, char * old, char * new )
{
char xbuf[MAX_STRING_LENGTH];
int i;
xbuf[0] = '\0';
strcpy( xbuf, orig );
if ( strstr( orig, old ) != NULL )
{
i = strlen( orig ) - strlen( strstr( orig, old ) );
xbuf[i] = '\0';
strcat( xbuf, new );
strcat( xbuf, &orig[i+strlen( old )] );
free_string( orig );
}
return str_dup( xbuf );
}
/* OLC 1.1b */
/*****************************************************************************
Name: string_add
Purpose: Interpreter for string editing.
Called by: game_loop_xxxx(comm.c).
****************************************************************************/
void string_add( CHAR_DATA *ch, char *argument )
{
char buf[MAX_STRING_LENGTH];
/*
* Thanks to James Seng
*/
smash_tilde( argument );
if ( *argument == '.' )
{
char arg1 [MAX_INPUT_LENGTH];
char arg2 [MAX_INPUT_LENGTH];
char arg3 [MAX_INPUT_LENGTH];
argument = one_argument( argument, arg1 );
argument = first_arg( argument, arg2, FALSE );
argument = first_arg( argument, arg3, FALSE );
if ( !str_cmp( arg1, ".c" ) )
{
send_to_char(AT_YELLOW, "String cleared.\n\r", ch );
**ch->desc->pString = '\0';
return;
}
if ( !str_cmp( arg1, ".s" ) )
{
send_to_char(AT_YELLOW, "String so far:\n\r", ch );
send_to_char(AT_GREEN, *ch->desc->pString, ch );
return;
}
if ( !str_cmp( arg1, ".r" ) )
{
if ( arg2[0] == '\0' )
{
send_to_char(AT_YELLOW,
"usage: .r \"old string\" \"new string\"\n\r", ch );
return;
}
*ch->desc->pString =
string_replace( *ch->desc->pString, arg2, arg3 );
sprintf( buf, "'%s' replaced with '%s'.\n\r", arg2, arg3 );
send_to_char(AT_GREEN, buf, ch );
return;
}
if ( !str_cmp( arg1, ".d" ) )
{
*ch->desc->pString = string_delline( ch, arg2,
*ch->desc->pString );
return;
}
if ( !str_cmp( arg1, ".f" ) )
{
*ch->desc->pString = format_string( *ch->desc->pString );
send_to_char(AT_YELLOW, "String formatted.\n\r", ch );
return;
}
if ( !str_cmp( arg1, ".h" ) )
{
send_to_char(AT_WHITE, "Sedit help (commands on blank line): \n\r", ch );
send_to_char(AT_WHITE, ".r 'old' 'new' - replace a substring \n\r", ch );
send_to_char(AT_WHITE, " (requires '', \"\") \n\r", ch );
send_to_char(AT_WHITE, ".h - get help (this info)\n\r", ch );
send_to_char(AT_WHITE, ".s - show string so far \n\r", ch );
send_to_char(AT_WHITE, ".f - (word wrap) string \n\r", ch );
send_to_char(AT_WHITE, ".c - clear string so far \n\r", ch );
send_to_char(AT_WHITE, ".d # - delete line number #\n\r", ch );
send_to_char(AT_WHITE, " ( 0 - ? ) \n\r", ch );
send_to_char(AT_WHITE, "@ - end string \n\r", ch );
return;
}
send_to_char(C_DEFAULT, "SEdit: Invalid dot command.\n\r", ch );
return;
}
if ( *argument == '@' )
{
ch->desc->pString = NULL;
return;
}
/*
* Truncate strings to MAX_STRING_LENGTH.
* --------------------------------------
*/
if ( strlen( *ch->desc->pString ) + strlen( argument ) >= ( MAX_STRING_LENGTH - 100 ) )
{
send_to_char(C_DEFAULT, "String too long, last line skipped.\n\r", ch );
/* Force character out of editing mode. */
ch->desc->pString = NULL;
return;
}
strcpy( buf, *ch->desc->pString );
strcat( buf, argument );
strcat( buf, "\n\r" );
free_string( *ch->desc->pString );
*ch->desc->pString = str_dup( buf );
return;
}
/*
* Thanks to Kalgen for the new procedure (no more bug!)
* Original wordwrap() written by Surreality.
*/
/*****************************************************************************
Name: format_string
Purpose: Special string formating and word-wrapping.
Called by: string_add(string.c) (many)olc_act.c
****************************************************************************/
char *format_string( char *oldstring /*, bool fSpace */)
{
char xbuf[MAX_STRING_LENGTH];
char xbuf2[MAX_STRING_LENGTH];
char *rdesc;
int i=0;
bool cap=TRUE;
xbuf[0]=xbuf2[0]=0;
i=0;
if ( strlen(oldstring) >= (MAX_STRING_LENGTH - 100) ) /* OLC 1.1b */
{
bug( "String to format_string() longer than MAX_STRING_LENGTH.", 0 );
return (oldstring);
}
for (rdesc = oldstring; *rdesc; rdesc++)
{
if (*rdesc=='\n')
{
if (xbuf[i-1] != ' ')
{
xbuf[i]=' ';
i++;
}
}
else if (*rdesc=='\r') ;
else if (*rdesc==' ')
{
if (xbuf[i-1] != ' ')
{
xbuf[i]=' ';
i++;
}
}
else if (*rdesc==')')
{
if (xbuf[i-1]==' ' && xbuf[i-2]==' ' &&
(xbuf[i-3]=='.' || xbuf[i-3]=='?' || xbuf[i-3]=='!'))
{
xbuf[i-2]=*rdesc;
xbuf[i-1]=' ';
xbuf[i]=' ';
i++;
}
else
{
xbuf[i]=*rdesc;
i++;
}
}
else if (*rdesc=='.' || *rdesc=='?' || *rdesc=='!') {
if (xbuf[i-1]==' ' && xbuf[i-2]==' ' &&
(xbuf[i-3]=='.' || xbuf[i-3]=='?' || xbuf[i-3]=='!')) {
xbuf[i-2]=*rdesc;
if (*(rdesc+1) != '\"')
{
xbuf[i-1]=' ';
xbuf[i]=' ';
i++;
}
else
{
xbuf[i-1]='\"';
xbuf[i]=' ';
xbuf[i+1]=' ';
i+=2;
rdesc++;
}
}
else
{
xbuf[i]=*rdesc;
if (*(rdesc+1) != '\"')
{
xbuf[i+1]=' ';
xbuf[i+2]=' ';
i += 3;
}
else
{
xbuf[i+1]='\"';
xbuf[i+2]=' ';
xbuf[i+3]=' ';
i += 4;
rdesc++;
}
}
cap = TRUE;
}
else
{
xbuf[i]=*rdesc;
if ( cap )
{
cap = FALSE;
xbuf[i] = UPPER( xbuf[i] );
}
i++;
}
}
xbuf[i]=0;
strcpy(xbuf2,xbuf);
rdesc=xbuf2;
xbuf[0]=0;
for ( ; ; )
{
for (i=0; i<77; i++)
{
if (!*(rdesc+i)) break;
}
if (i<77)
{
break;
}
for (i=(xbuf[0]?76:73) ; i ; i--)
{
if (*(rdesc+i)==' ') break;
}
if (i)
{
*(rdesc+i)=0;
strcat(xbuf,rdesc);
strcat(xbuf,"\n\r");
rdesc += i+1;
while (*rdesc == ' ') rdesc++;
}
else
{
bug ("No spaces", 0);
*(rdesc+75)=0;
strcat(xbuf,rdesc);
strcat(xbuf,"-\n\r");
rdesc += 76;
}
}
while (*(rdesc+i) && (*(rdesc+i)==' '||
*(rdesc+i)=='\n'||
*(rdesc+i)=='\r'))
i--;
*(rdesc+i+1)=0;
strcat(xbuf,rdesc);
if (xbuf[strlen(xbuf)-2] != '\n')
strcat(xbuf,"\n\r");
free_string(oldstring);
return(str_dup(xbuf));
}
/*
* Used above in string_add. Because this function does not
* modify case if fCase is FALSE and because it understands
* parenthesis, it would probably make a nice replacement
* for one_argument.
*/
/*****************************************************************************
Name: first_arg
Purpose: Pick off one argument from a string and return the rest.
Understands quates, parenthesis (barring ) ('s) and
percentages.
Called by: string_add(string.c)
****************************************************************************/
char *first_arg( char *argument, char *arg_first, bool fCase )
{
char cEnd;
while ( *argument == ' ' )
argument++;
cEnd = ' ';
if ( *argument == '\'' || *argument == '"'
|| *argument == '%' || *argument == '(' )
{
if ( *argument == '(' )
{
cEnd = ')';
argument++;
}
else cEnd = *argument++;
}
while ( *argument != '\0' )
{
if ( *argument == cEnd )
{
argument++;
break;
}
if ( fCase ) *arg_first = LOWER(*argument);
else *arg_first = *argument;
arg_first++;
argument++;
}
*arg_first = '\0';
while ( *argument == ' ' )
argument++;
return argument;
}
/*
* Used in olc_act.c for aedit_builders.
*/
char * string_unpad( char * argument )
{
char buf[MAX_STRING_LENGTH];
char *s;
s = argument;
while ( *s == ' ' )
s++;
strcpy( buf, s );
s = buf;
if ( *s != '\0' )
{
while ( *s != '\0' )
s++;
s--;
while( *s == ' ' )
s--;
s++;
*s = '\0';
}
free_string( argument );
return str_dup( buf );
}
/*
* Same as capitalize but changes the pointer's data.
* Used in olc_act.c in aedit_builder.
*/
char * string_proper( char * argument )
{
char *s;
s = argument;
while ( *s != '\0' )
{
if ( *s != ' ' )
{
*s = UPPER(*s);
while ( *s != ' ' && *s != '\0' )
s++;
}
else
{
s++;
}
}
return argument;
}
/*
* Returns an all-caps string. OLC 1.1b
*/
char* all_capitalize( const char *str )
{
static char strcap [ MAX_STRING_LENGTH ];
int i;
for ( i = 0; str[i] != '\0'; i++ )
strcap[i] = UPPER( str[i] );
strcap[i] = '\0';
return strcap;
}
char *string_delline( CHAR_DATA *ch, char *argument, char *old )
{
char arg[MAX_INPUT_LENGTH];
char buf[MAX_STRING_LENGTH];
char *dline;
int count = 0;
int ln;
argument = one_argument( argument, arg );
if ( !is_number( arg ) )
{
send_to_char(AT_WHITE, "Delete which line?\n\r",ch);
return old;
}
ln = atoi(arg);
buf[0] = '\0';
for ( dline = old; *dline != '\0'; )
{
char oneline[MAX_INPUT_LENGTH];
int curr = 0;
for ( ; dline != '\0' && *dline != '\n'; dline++, curr++ )
{
oneline[curr] = *dline;
}
if ( *dline == '\n' )
{
oneline[curr] = *dline;
dline++, curr++;
}
if ( *dline == '\r' )
{
oneline[curr] = *dline;
dline++, curr++;
}
oneline[curr] = '\0';
curr++;
if ( count != ln )
strcat(buf, oneline);
count++;
}
if ( count <= ln )
{
send_to_char(AT_WHITE, "Line doesn't exist.\n\r",ch);
return old;
}
send_to_char(AT_WHITE, "Line deleted.\n\r", ch );
free_string(old);
return str_dup(buf);
}
char *string_insline( CHAR_DATA *ch, char *argument, char *old )
{
char arg[MAX_INPUT_LENGTH];
char string[MAX_INPUT_LENGTH];
char buf[MAX_STRING_LENGTH];
char *dline;
char *oline;
int count = 0;
int ln = 0;
bool inserted = FALSE;
argument = one_argument( argument, arg );
if ( is_number( arg ) )
ln = atoi( arg );
else
{
send_to_char( AT_WHITE, "Syntax: .i # [newstring]\n\r", ch );
return old;
}
strcpy( string, argument );
buf[0] = '\0';
for ( dline = old; *dline != '\0'; )
{
char oneline[MAX_INPUT_LENGTH];
int curr = 0;
for ( ; *dline != '\0' && *dline != '\n'; dline++, curr++ )
{
oneline[curr] = *dline;
}
if ( *dline == '\n' )
{
oneline[curr] = *dline;
dline++, curr++;
}
if ( *dline == '\r' )
{
oneline[curr] = *dline;
dline++, curr++;
}
oneline[curr] = '\0';
curr++;
if ( count != ln )
strcat( buf, oneline );
else
{
char online[MAX_INPUT_LENGTH];
int noc = 0;
oline = string;
for ( ; *oline != '\0'; )
{
for ( ; *oline != '\0' && *oline != '\n'; oline++, noc++ )
{
online[noc] = *oline;
}
if ( *oline == '\n' )
{
online[noc] = *oline;
oline++, noc++;
}
if ( *oline == '\r' )
{
online[noc] = *oline;
oline++, noc++;
}
for ( ; noc < 80 ; noc++ )
online[noc] = ' ';
noc++;
online[noc] = '\0';
strcat( buf, online );
}
}
if ( count != ln )
count++;
if ( count == ln )
{
int curr = 0;
for ( ; curr < 80; dline-- );
}
if ( ( count == ln ) && inserted )
count++;
}
if ( count <= ln )
{
send_to_char( AT_WHITE, "Line doesn't exist.\n\r", ch );
return old;
}
send_to_char( AT_WHITE, "Line inserted.\n\r", ch );
free_string( old );
return str_dup( buf );
}