/***************************************************************************
* 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"
#include "utils.h"
/*****************************************************************************
Name: string_edit
Purpose: Clears string and puts player into editing mode.
Called by: none
****************************************************************************/
void string_edit(CHAR_DATA * ch, char **pString)
{
send_to_char("-========- Entering EDIT Mode -=========-\n\r", ch);
send_to_char(" Type .h on a new line for help\n\r", ch);
send_to_char(" Terminate with a ~ or @ on a blank line.\n\r", ch);
send_to_char("-=======================================-\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)
{
send_to_char("-=======- Entering APPEND Mode -========-\n\r", ch);
send_to_char(" Type .h on a new line for help\n\r", ch);
send_to_char(" Terminate with a ~ or @ on a blank line.\n\r", ch);
send_to_char("-=======================================-\n\r", ch);
if (*pString == NULL) {
*pString = str_dup("");
}
send_to_char(*pString, ch);
if (*(*pString + strlen(*pString) - 1) != '\r')
send_to_char("\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);
}
/*****************************************************************************
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];
int len;
bool found = FALSE;
/*
* 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("String cleared.\n\r", ch);
**ch->desc->pString = '\0';
return;
}
if (!str_cmp(arg1, ".s")) {
send_to_char("String so far:\n\r", ch);
send_to_char(*ch->desc->pString, ch);
return;
}
if (!str_cmp(arg1, ".r")) {
if (arg2[0] == '\0') {
send_to_char
("usage: .r \"old string\" \"new string\"\n\r", ch);
return;
}
smash_tilde(arg3); /* Just to be sure -- Hugin */
*ch->desc->pString =
string_replace(*ch->desc->pString, arg2, arg3);
sprintf(buf, "'%s' replaced with '%s'.\n\r", arg2, arg3);
send_to_char(buf, ch);
return;
}
if (!str_cmp(arg1, ".f")) {
*ch->desc->pString = format_string(*ch->desc->pString);
send_to_char("String formatted.\n\r", ch);
return;
}
if (!str_cmp(arg1, ".h")) {
send_to_char("Sedit help (commands on blank line): \n\r",
ch);
send_to_char(".r 'old' 'new' - replace a substring \n\r",
ch);
send_to_char(" (requires '', \"\") \n\r",
ch);
send_to_char(".h - get help (this info)\n\r",
ch);
send_to_char(".s - show string so far \n\r",
ch);
send_to_char(".f - (word wrap) string \n\r",
ch);
send_to_char(".c - clear string so far \n\r",
ch);
send_to_char(".d - clear last line \n\r",
ch);
send_to_char("@ - end string \n\r",
ch);
return;
}
if (!str_cmp(arg1, ".d")) {
if (*ch->desc->pString == NULL
|| *ch->desc->pString[0] == '\0') {
send_to_char("No lines left to remove.\n\r", ch);
return;
}
strcpy(buf, *ch->desc->pString);
for (len = strlen(buf); len > 0; len--) {
if (buf[len] == '\r') {
if (!found) { /* back it up */
if (len > 0)
len--;
found = TRUE;
} else { /* found the second one */
buf[len + 1] = '\0';
free_string(*ch->desc->pString);
*ch->desc->pString = str_dup(buf);
return;
}
}
}
buf[0] = '\0';
free_string(*ch->desc->pString);
*ch->desc->pString = str_dup(buf);
return;
}
send_to_char("SEdit: Invalid dot command.\n\r", ch);
return;
}
if (*argument == '~' || *argument == '@') {
ch->desc->pString = NULL;
return;
}
strcpy(buf, *ch->desc->pString);
/*
* Truncate strings to MAX_STRING_LENGTH.
* --------------------------------------
*/
if (strlen(buf) + strlen(argument) >= (MAX_STRING_LENGTH - 4)) {
send_to_char("String too long, last line skipped.\n\r", ch);
/* Force character out of editing mode. */
ch->desc->pString = NULL;
return;
}
/*
* Ensure no tilde's inside string.
* --------------------------------
*/
smash_tilde(argument);
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;
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;
}