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cmd: Simplify WCMD_parameter function.

This commit is contained in:
Frédéric Delanoy 2011-09-06 19:19:41 +02:00 committed by Alexandre Julliard
parent 40c6ff8abe
commit 7b9af22682
1 changed files with 26 additions and 48 deletions
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68
programs/cmd/batch.c
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@ -138,58 +138,36 @@ void WCMD_batch (WCHAR *file, WCHAR *command, int called, WCHAR *startLabel, HAN
*/
WCHAR *WCMD_parameter (WCHAR *s, int n, WCHAR **where) {
int i = 0;
int curParamNb = 0;
static WCHAR param[MAX_PATH];
WCHAR *p;
WCHAR *p = s, *q;
BOOL quotesDelimited;
if (where != NULL) *where = NULL;
p = param;
param[0] = '\0';
while (TRUE) {
switch (*s) {
case ' ': /* Skip leading spaces */
case '\t': /* Treat tabs as spaces */
s++;
break;
case '"':
if (where != NULL && i==n) *where = s;
s++;
while ((*s != '\0') && (*s != '"')) {
*p++ = *s++;
}
if (i == n) {
*p = '\0';
return param;
}
if (*s == '"') s++;
param[0] = '\0';
i++;
p = param;
break;
/* The code to handle bracketed parms is removed because it should no longer
be necessary after the multiline support has been added and the for loop
set of data is now parseable individually. */
case '\0':
return param;
default:
/* Only return where if it is for the right parameter */
if (where != NULL && i==n) *where = s;
while ((*s != '\0') && (*s != ' ') && (*s != ',') && (*s != '=') && (*s != '\t')) {
*p++ = *s++;
}
if (i == n && (p!=param)) {
*p = '\0';
return param;
}
/* Skip double delimiters, eg. dir a.a,,,,,b.b */
if (p != param) {
param[0] = '\0';
i++;
while (*p && ((*p == ' ') || (*p == ',') || (*p == '=') || (*p == '\t')))
p++;
if (*p == '\0') return param;
quotesDelimited = (*p == '"');
if (where != NULL && curParamNb == n) *where = p;
if (quotesDelimited) {
q = ++p;
while (*p && *p != '"') p++;
} else {
s++; /* Skip delimiter */
q = p;
while (*p && (*p != ' ') && (*p != ',') && (*p != '=') && (*p != '\t'))
p++;
}
p = param;
if (curParamNb == n) {
memcpy(param, q, (p - q) * sizeof(WCHAR));
param[p-q] = '\0';
return param;
}
if (quotesDelimited && *p == '"') p++;
curParamNb++;
}
}