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/* Nanar <nanardon@mandrake.org>
* $Id$
*/
#include <string.h>
#define RPMCONSTANT_INTERNAL
#include "rpmconstant.h"
rpmconst rpmconstNew()
{
rpmconst c = NULL;
c = xcalloc(1, sizeof(*c));
c->list = NULL;
c->constant = NULL;
return c;
}
rpmconst rpmconstFree(rpmconst c)
{
free(c);
return c = NULL;
}
void rpmconstInitC(rpmconst c)
{
c->constant = NULL;
}
int rpmconstNextC(rpmconst c)
{
if (c->list == NULL)
return 0;
c->constant = c->constant == NULL ?
rpmConstantListC(c->list) :
rpmConstantNext(c->constant);
return c->constant == NULL ? 0 : 1;
}
void rpmconstInitL(rpmconst c)
{
c->list = NULL;
c->constant = NULL;
}
int rpmconstNextL(rpmconst c)
{
c->list = c->list == NULL ?
(void *) rpmconstanttype :
rpmConstantListNext(c->list);
c->constant = NULL;
return c->list == NULL ? 0 : 1;
}
const char * rpmconstContext(rpmconst c)
{
return rpmConstantListContext(c->list);
}
const char * rpmconstPrefix(rpmconst c)
{
return rpmConstantListPrefix(c->list);
}
const char * rpmconstName(rpmconst c, int stripprefix)
{
char * name;
int len;
name = rpmConstantName(c->constant);
if (stripprefix && name && rpmConstantListPrefix(c->list)) {
len = strlen(rpmConstantListPrefix(c->list));
name += len < strlen(name) ? len : 0;
}
return name;
}
int rpmconstValue(rpmconst c)
{
return rpmConstantValue(c->constant);
}
int rpmconstInitToContext(rpmconst c, const char * context)
{
char * lccontext = strdup(context);
char * ptr;
int rc = 0;
for (ptr = lccontext; *ptr != 0; ptr++)
*ptr = tolower(*ptr);
if (!context) return 0; /* programmer error */
rpmconstInitL(c);
while (rpmconstNextL(c)) {
if (!strcmp(lccontext, rpmconstContext(c))) {
rc = 1;
break;
}
}
free(lccontext);
return rc; /* not found */
}
int rpmconstNameMatch(rpmconst c, const char * name, int prefixed)
{
char * uc;
int rc = 0;
char * ucname = strdup(name);
for (uc = ucname; *uc != 0; uc++)
*uc = toupper(*uc);
if (!prefixed) prefixed = ALLCASE_PREFIX;
if (prefixed & WITH_PREFIX)
if (strcmp(ucname, rpmconstName(c, PREFIXED_YES)) == 0)
rc = 1;
if (!rc && (prefixed & WITHOUT_PREFIX))
if (strcmp(ucname, rpmconstName(c, PREFIXED_NO)) == 0)
rc = 1;
free(ucname);
return rc;
}
int rpmconstFindValue(rpmconst c, const int val)
{
rpmconstInitC(c);
while (rpmconstNextC(c)) {
if (val == rpmconstValue(c))
return 1;
}
return 0;
}
int rpmconstFindMask(rpmconst c, const int val)
{
rpmconstInitC(c);
while (rpmconstNextC(c)) {
if (!rpmconstValue(c))
continue;
if (rpmconstValue(c) & val)
return 1;
}
return 0;
}
int rpmconstFindName(rpmconst c, const char * name, int prefixed)
{
rpmconstInitC(c);
while (rpmconstNextC(c)) {
if (rpmconstNameMatch(c, name, prefixed))
return 1;
}
return 0;
}
int rpmconstantFindValue(char * context, const int val, const char **name, int prefixed)
{
int rc = 0;
rpmconst c = rpmconstNew();
if (rpmconstInitToContext(c, context))
if (rpmconstFindValue(c, val)) {
*name = rpmconstName(c, prefixed);
rc = 1;
}
c = rpmconstFree(c);
return rc;
}
int rpmconstantFindMask(char * context, const int val, const char **name, int prefixed)
{
int rc = 0;
rpmconst c = rpmconstNew();
if (rpmconstInitToContext(c, context))
if (rpmconstFindMask(c, val)) {
*name = rpmconstName(c, prefixed);
rc = rpmconstValue(c);
}
c = rpmconstFree(c);
return rc;
}
int rpmconstantFindName(char * context, const char * name, int *val, int prefixed)
{
int rc = 0;
rpmconst c = rpmconstNew();
if (rpmconstInitToContext(c, context)) {
if (rpmconstFindName(c, name, prefixed)) {
*val |= rpmconstValue(c);
rc = 1;
}
}
c = rpmconstFree(c);
return rc;
}
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