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mdesk layer extensions for mutable tree manipulations

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This commit is contained in:
Ryan Fleury
2024-09-13 17:16:42 -07:00
parent 4b526db0dd
commit f396a88bac
2 changed files with 37 additions and 0 deletions
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src/mdesk/mdesk.c
+34
View File
@@ -197,6 +197,21 @@ md_push_node(Arena *arena, MD_NodeKind kind, MD_NodeFlags flags, String8 string,
return node;
}
internal void
md_node_insert_child(MD_Node *parent, MD_Node *prev_child, MD_Node *node)
{
node->parent = parent;
DLLInsert_NPZ(&md_nil_node, parent->first, parent->last, prev_child, node, next, prev);
}
internal void
md_node_insert_tag(MD_Node *parent, MD_Node *prev_child, MD_Node *node)
{
node->kind = MD_NodeKind_Tag;
node->parent = parent;
DLLInsert_NPZ(&md_nil_node, parent->first_tag, parent->last_tag, prev_child, node, next, prev);
}
internal void
md_node_push_child(MD_Node *parent, MD_Node *node)
{
@@ -207,10 +222,29 @@ md_node_push_child(MD_Node *parent, MD_Node *node)
internal void
md_node_push_tag(MD_Node *parent, MD_Node *node)
{
node->kind = MD_NodeKind_Tag;
node->parent = parent;
DLLPushBack_NPZ(&md_nil_node, parent->first_tag, parent->last_tag, node, next, prev);
}
internal void
md_unhook(MD_Node *node)
{
MD_Node *parent = node->parent;
if(!md_node_is_nil(parent))
{
if(node->kind == MD_NodeKind_Tag)
{
DLLRemove_NPZ(&md_nil_node, parent->first_tag, parent->last_tag, node, next, prev);
}
else
{
DLLRemove_NPZ(&md_nil_node, parent->first, parent->last, node, next, prev);
}
node->parent = &md_nil_node;
}
}
//- rjf: tree introspection
internal MD_Node *
src/mdesk/mdesk.h
+3
View File
@@ -270,8 +270,11 @@ internal MD_NodeRec md_node_rec_depth_first(MD_Node *node, MD_Node *subtree_root
//- rjf: tree building
internal MD_Node *md_push_node(Arena *arena, MD_NodeKind kind, MD_NodeFlags flags, String8 string, String8 raw_string, U64 src_offset);
internal void md_node_insert_child(MD_Node *parent, MD_Node *prev_child, MD_Node *node);
internal void md_node_insert_tag(MD_Node *parent, MD_Node *prev_child, MD_Node *node);
internal void md_node_push_child(MD_Node *parent, MD_Node *node);
internal void md_node_push_tag(MD_Node *parent, MD_Node *node);
internal void md_unhook(MD_Node *node);
//- rjf: tree introspection
internal MD_Node * md_node_from_chain_string(MD_Node *first, MD_Node *opl, String8 string, StringMatchFlags flags);