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mirror of https://github.com/irssi/irssi.git synced 2024-06-23 06:35:36 +00:00

cmd_get_params() fixes:

- arguments and optional channel flags couldn't be used together
- -- argument treats the rest of the text as non-arguments, like
  /topic -- -hello- sets the topic to -hello-.


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@256 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen 2000-06-01 16:46:50 +00:00 committed by cras
parent bf8616ee26
commit e5385ceb35

View File

@ -160,22 +160,31 @@ static char *get_opt_args(char **data)
{
/* -cmd1 -cmd2 -cmd3 ... */
char *p, *ret;
int stopnext;
g_return_val_if_fail(data != NULL, NULL);
g_return_val_if_fail(*data != NULL, NULL);
stopnext = FALSE;
ret = NULL;
for (p = *data;;) {
if (*p != '-') {
if (*p != '-' || stopnext) {
if (p == *data) return "";
while (isspace(p[-1]) && p > *data) p--;
if (*p != '\0') *p++ = '\0';
ret = *data;
*data = p;
while (isspace(p[-1]) && p > ret) p--;
if (*p != '\0') *p = '\0';
return ret;
}
if (p[1] == '-') {
/* -- argument means end of arguments even if
next word starts with - */
stopnext = TRUE;
}
while (!isspace(*p) && *p != '\0') p++;
while (isspace(*p)) p++;
}
@ -224,7 +233,7 @@ int arg_find(char **array, const char *item)
return -1;
}
static int get_multi_args(char **data, va_list va)
static int get_multi_args(char **data, int checkonly, va_list va)
{
/* -cmd1 arg1 -cmd2 "argument two" -cmd3 */
GString *returnargs;
@ -256,7 +265,16 @@ static int get_multi_args(char **data, va_list va)
nextarg = NULL;
for (;;) {
if (**data == '-') {
(*data)++; arg = cmd_get_param(data);
(*data)++;
if (**data == '-') {
/* -- argument means end of arguments even
if next word starts with - */
(*data)++;
while (isspace(**data)) (*data)++;
break;
}
arg = cmd_get_param(data);
g_string_sprintfa(returnargs, "-%s ", arg);
/* check if this argument can have parameter */
@ -280,19 +298,22 @@ static int get_multi_args(char **data, va_list va)
while (isspace(**data)) (*data)++;
}
/* ok, this is a bit stupid. this will pack the arguments in `data'
like "-arg1 subarg -arg2 sub2\0" -> "-arg1 -arg2\0subarg\0sub2\0"
this is because it's easier to free only _one_ string instead of
two (`args') when using PARAM_FLAG_MULTIARGS. */
if (origdata == *data)
*args = "";
else {
cmd_params_pack(subargs, **data == '\0' ? *data : (*data)-1,
origdata, origdata+returnargs->len);
if (!checkonly) {
/* ok, this is a bit stupid. this will pack the arguments in
`data' like "-arg1 subarg -arg2 sub2\0" ->
"-arg1 -arg2\0subarg\0sub2\0" this is because it's easier
to free only _one_ string instead of two (`args') when
using PARAM_FLAG_MULTIARGS. */
if (returnargs->len == 0)
*args = "";
else {
cmd_params_pack(subargs, **data == '\0' ? *data : (*data)-1,
origdata, origdata+returnargs->len);
g_string_truncate(returnargs, returnargs->len-1);
strcpy(origdata, returnargs->str);
*args = origdata;
g_string_truncate(returnargs, returnargs->len-1);
strcpy(origdata, returnargs->str);
*args = origdata;
}
}
g_string_free(returnargs, TRUE);
@ -322,28 +343,51 @@ char *cmd_get_callfuncs(const char *data, int *count, va_list *args)
char *cmd_get_params(const char *data, int count, ...)
{
char **str, *arg, *ret, *datad;
char **str, *arg, *datad, *old;
va_list args;
int cnt, eat;
int cnt, eat, len;
g_return_val_if_fail(data != NULL, NULL);
va_start(args, count);
ret = datad = cmd_get_callfuncs(data, &count, &args);
/* get the length of the arguments in string */
old = datad = g_strdup(data);
if (count & PARAM_FLAG_MULTIARGS)
get_multi_args(&datad, TRUE, args);
else if (count & PARAM_FLAG_OPTARGS)
get_opt_args(&datad);
len = (int) (datad-old);
g_free(old);
/* send the text to custom functions to handle - skip arguments */
old = datad = cmd_get_callfuncs(data+len, &count, &args);
if (len > 0) {
/* put the arguments + the new data to one string */
datad = g_malloc(len+1 + strlen(old)+1);
memcpy(datad, data, len);
datad[len] = ' ';
memcpy(datad+len+1, old, strlen(old)+1);
g_free(old);
old = datad;
}
/* and now handle the string */
cnt = PARAM_WITHOUT_FLAGS(count);
while (cnt-- > 0) {
if (count & PARAM_FLAG_OPTARGS) {
arg = get_opt_args(&datad);
count &= ~PARAM_FLAG_OPTARGS;
} else if (count & PARAM_FLAG_MULTIARGS) {
eat = get_multi_args(&datad, args)+1;
if (count & PARAM_FLAG_MULTIARGS) {
eat = get_multi_args(&datad, FALSE, args)+1;
count &= ~PARAM_FLAG_MULTIARGS;
cnt -= eat-1;
while (eat-- > 0)
str = (char **) va_arg(args, char **);
continue;
} else if (count & PARAM_FLAG_OPTARGS) {
arg = get_opt_args(&datad);
count &= ~PARAM_FLAG_OPTARGS;
} else if (cnt == 0 && count & PARAM_FLAG_GETREST) {
/* get rest */
arg = datad;
@ -356,7 +400,7 @@ char *cmd_get_params(const char *data, int count, ...)
}
va_end(args);
return ret;
return old;
}
void cmd_get_add_func(CMD_GET_FUNC func)