1 files changed, 191 insertions, 0 deletions
diff --git a/rpmconstant/rpmconstant.c b/rpmconstant/rpmconstant.c
new file mode 100644
index 0000000..910cb5f
--- /dev/null
+++ b/rpmconstant/rpmconstant.c
@@ -0,0 +1,191 @@
+/* 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;
+}