Work on new traversal.

[idzebra-moved-to-github.git] / index / trav.c

diff --git a/index/trav.c b/index/trav.c
index f2f4f35..faf7571 100644 (file)
--- a/index/trav.c
+++ b/index/trav.c
@@ -4,7 +4,10 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: trav.c,v $
- * Revision 1.6  1995-11-17 15:54:42  adam
+ * Revision 1.7  1995-11-20 11:56:28  adam
+ * Work on new traversal.
+ *
+ * Revision 1.6  1995/11/17  15:54:42  adam
  * Started work on virtual directory structure.
  *
  * Revision 1.5  1995/10/17  18:02:09  adam
@@ -287,6 +290,148 @@ void repository_update_r (int cmd, char *dst, char *src, char *databaseName)
     dir_free (&e_src);
 }
 
+static int repComp (const char *a, const char *b, size_t len)
+{
+    if (!len)
+        return 0;
+    return memcmp (a, b, len);
+}
+
+static void repositoryUpdateR (struct dirs_info *di, struct dirs_entry *dst,
+                               const char *base, char *src, char *databaseName)
+{
+    struct dir_entry *e_src;
+    int i_src = 0;
+    static char tmppath[256];
+    size_t src_len = strlen (src);
+
+    sprintf (tmppath, "%s%s", base, src);
+    e_src = dir_open (tmppath);
+
+#if 1
+    if (!dst || repComp (dst->path, src, src_len))
+#else
+    if (!dst || strcmp (dst->path, src))
+#endif
+    {
+        if (!e_src)
+            return;
+#if 1
+        if (src_len && src[src_len-1] == '/')
+            --src_len;
+        else
+            src[src_len] = '/';
+        src[src_len+1] = '\0';
+#endif
+        dirs_mkdir (di, src, 0);
+        dst = NULL;
+    }
+    else if (!e_src)
+    {
+        /* delete tree dst */
+        return;
+    }
+    else
+    {
+#if 1
+        if (src_len && src[src_len-1] == '/')
+            --src_len;
+        else
+            src[src_len] = '/';
+        src[src_len+1] = '\0';
+#endif
+        dst = dirs_read (di); 
+    }
+    dir_sort (e_src);
+
+    while (1)
+    {
+        int sd;
+
+        if (dst && !repComp (dst->path, src, src_len))
+        {
+            if (e_src[i_src].name)
+            {
+                logf (LOG_DEBUG, "dst=%s src=%s", dst->path + src_len+1, 
+                     e_src[i_src].name);
+                sd = strcmp (dst->path + src_len+1, e_src[i_src].name);
+            }
+            else
+                sd = -1;
+        }
+        else if (e_src[i_src].name)
+            sd = 1;
+        else
+            break;
+        logf (LOG_DEBUG, "trav sd=%d", sd);
+        if (sd == 0)
+        {
+            strcpy (src + src_len+1, e_src[i_src].name);
+            sprintf (tmppath, "%s%s", base, src);
+            
+            switch (e_src[i_src].kind)
+            {
+            case dirs_file:
+                if (e_src[i_src].ctime > dst->ctime)
+                {
+                    file_extract ('d', tmppath, tmppath, databaseName);
+                    file_extract ('a', tmppath, tmppath, databaseName);
+                    dirs_add (di, src, dst->sysno, e_src[i_src].ctime);
+                }
+                dst = dirs_read (di); 
+                break;
+            case dirs_dir:
+                repositoryUpdateR (di, dst, base, src, databaseName);
+                dst = dirs_last (di);
+                logf (LOG_DEBUG, "last is %s", dst ? dst->path : "null");
+                break;
+            default:
+                dst = dirs_read (di); 
+            }
+            i_src++;
+        }
+        else if (sd > 0)
+        {
+            SYSNO sysno;
+            strcpy (src + src_len+1, e_src[i_src].name);
+            sprintf (tmppath, "%s%s", base, src);
+
+            switch (e_src[i_src].kind)
+            {
+            case dirs_file:
+                sysno = file_extract ('a', tmppath, tmppath, databaseName);
+                dirs_add (di, src, sysno, e_src[i_src].ctime);            
+                break;
+            case dirs_dir:
+                repositoryUpdateR (di, dst, base, src, databaseName);
+                break;
+            }
+            i_src++;
+        }
+        else  /* sd < 0 */
+        {
+            assert (0);
+        }
+    }
+    dir_free (&e_src);
+}
+
+void repositoryUpdate (const char *path, char *databaseName)
+{
+    struct dirs_info *di;
+    char src[256];
+    Dict dict;
+
+    dict = dict_open ("repdict", 40, 1);
+    
+    di = dirs_open (dict, path);
+    strcpy (src, "");
+    repositoryUpdateR (di, dirs_read (di), path, src, databaseName);
+    dirs_free (&di);
+
+    dict_close (dict);
+}
+
 void repository (int cmd, const char *rep, const char *base_path,
                  char *databaseName)
 {
@@ -303,15 +448,3 @@ void repository (int cmd, const char *rep, const char *base_path,
         repository_extract_r (cmd, rep_tmp1, databaseName);
 }
 
-void repositoryUpdate (const char *src, char *databaseName)
-{
-    struct dir_entry *e_src;
-    int i_src = 0;
-    struct stat fs_src;
-    size_t src_len = strlen (src);
-
-    e_src = dir_open (src);
-
-    if (!e_src)
-        return;
-}