ESP Tree view.

espReader/ESPReader.h

@@ -247,7 +247,7 @@ extern "C" {
          */
         struct meta_node {
                 Node n;
-                MetaNode *parent;
+                void *user;
                 MetaNode *first_child;
                 MetaNode *last_child;
                 MetaNode *prev;
@@ -255,6 +255,9 @@ extern "C" {
         };
 
         struct meta_tree {
+                // hack, not usable when modifying tree
+                SizedBuf tree;
+                SizedBuf esp;
                 MetaNode *root;
                 size_t size;
         };
@@ -395,6 +398,8 @@ extern "C" {
 
         void espr_serialize(MetaTree tree, SizedBuf out);
 
+        void espr_meta_string(MetaNode *m, SizedBuf str_buf);
+
 // End C++ guard
 #ifdef __cplusplus
 }

espReader/Reader.c

@@ -11,6 +11,7 @@
 #include <string.h>
 #include <intrin.h>
 #include <ammintrin.h>
+#include <crtdbg.h>
 
 #include <io.h>
 
@@ -468,8 +469,10 @@ void litcopy(struct str_buf *sb, struct str_lit lit)
 
 void num_str(struct str_buf *sb, unsigned long num, int radix)
 {
+        _CrtSetDebugFillThreshold(0);
         errno_t ret = _ultoa_s(num, sb->buf, sb->size, radix);
         assert(ret == 0);
+        _CrtSetDebugFillThreshold(SIZE_MAX);
         int len = (int)strlen(sb->buf);
         sb->size -= len;
         sb->buf += len;
@@ -629,6 +632,8 @@ Timestamp convert_ts(uint16_t ts)
 
 MetaTree espr_create_tree(SizedBuf in, SizedBuf tree)
 {
+        MetaTree mtree = { .esp = in, .tree = tree };
+
         // create root node
         MetaNode *root = NULL;
         {
@@ -641,7 +646,10 @@ MetaTree espr_create_tree(SizedBuf in, SizedBuf tree)
         struct walker_callbacks cb = { .pre = create_tree_cb, .data = &tree };
         espr_walk(in, cb, root);
 
-        return (MetaTree) { .root = root, .size = in.size };
+        mtree.root = root;
+        mtree.size = in.size;
+
+        return mtree;
 }
 
 void create_tree_cb(
@@ -667,7 +675,6 @@ void create_tree_cb(
         // construct new node
         *m = (MetaNode){ 0 }; // zero/null unused
         m->n = n;
-        m->parent = p;
         m->prev = p->last_child;
         // the linked list of children may not already exist
         if (p->last_child)
@@ -730,3 +737,33 @@ void serialize_cb(MetaNode *m, void *data) {
         }
 }
 
+void espr_meta_string(MetaNode *m, SizedBuf str_buf)
+{
+        // root node
+        if (!m->n.data) {
+                snprintf(str_buf.data, str_buf.size, "Root");
+                return;
+        }
+
+        char buf[1024] = { 0 };
+        struct str_buf sb = { .buf = buf, .size = 1024 };
+
+        switch (m->n.type) {
+        case NT_GROUP:
+        {
+                group_label_str(&sb, m->n.header.group);
+                const char *lbl = group_type_strings[m->n.header.group->type].lit;
+                snprintf(str_buf.data, str_buf.size, "GRUP; %s; %s", lbl, buf);
+                break;
+        }
+        case NT_RECORD:
+        {
+                type_str(&sb, m->n.header.record->type);
+                snprintf(str_buf.data, str_buf.size, "%s; FormID[%08x]", buf, m->n.header.record->formid);
+                break;
+        }
+        default:
+                assert(false);
+        }
+}
+