Revamp (and hopefully fix) resattr management

Signed-off-by: Laurent Bercot <ska@appnovation.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/src/libtipidee/tipidee_conf_get_resattr.c b/src/libtipidee/tipidee_conf_get_resattr.c
new file mode 100644
index 0000000..9b33208
--- /dev/null
+++ b/src/libtipidee/tipidee_conf_get_resattr.c
@@ -0,0 +1,62 @@
+/* ISC license. */
+
+#include <string.h>
+
+#include <skalibs/bytestr.h>
+
+#include <tipidee/conf.h>
+#include <tipidee/resattr.h>
+
+#define FULLMASK ((1 << TIPIDEE_RA_BITS) - 1)
+
+int tipidee_conf_get_resattr (tipidee_conf const *conf, char const *res, tipidee_resattr *ra)
+{
+  tipidee_resattr rra = TIPIDEE_RESATTR_ZERO ;
+  size_t len = strlen(res) + 2 ;
+  char key[len + 1] ;
+  key[0] = 'A' ; key[1] = ':' ;
+  memcpy(key + 2, res, len - 2) ;
+  key[len] = '/' ;
+  while (len > 2 && (rra.mask & FULLMASK) != FULLMASK)
+  {
+    tipidee_resattr atom ;
+    int r ;
+    while (len > 2 && key[len] != '/') len-- ;
+    if (len <= 2) break ;
+    key[len--] = 0 ;
+    r = tipidee_conf_get_resattr1(conf, key, &atom) ;
+    if (r == -1) return 0 ;
+    if (r)
+    {
+      rra.flags = (~rra.mask & atom.mask & atom.flags) | ((rra.mask | ~atom.mask) & rra.flags) ;  /* yup */
+      rra.mask |= atom.mask ;
+      if (!rra.content_type) rra.content_type = atom.content_type ;
+    }
+    key[0] = 'a' ;
+  }
+
+  if (!(rra.mask & TIPIDEE_RA_FLAG_NPH))
+  {
+    char const *nphprefix ;
+    char *p = strchr(key+2, '/') ;
+    if (p) *p = 0 ;
+    key[0] = 'N' ;
+    nphprefix = tipidee_conf_get_string(conf, key) ;
+    if (nphprefix)
+    {
+      char const *base = strrchr(res, '/') ;
+      if (base && str_start(base + 1, nphprefix)) rra.flags |= 1 << TIPIDEE_RA_FLAG_NPH ;
+      else rra.flags &= ~(1 << TIPIDEE_RA_FLAG_NPH) ;
+      rra.mask |= 1 << TIPIDEE_RA_FLAG_NPH ;
+    }
+  }
+
+  if (!(rra.flags & TIPIDEE_RA_FLAG_CGI) && !rra.content_type)
+  {
+    rra.content_type = tipidee_conf_get_content_type(conf, res) ;
+    if (!rra.content_type) return 0 ;
+  }
+
+  *ra = rra ;
+  return 1 ;
+}