diff options
Diffstat (limited to 'src/cmark.c')
-rw-r--r-- | src/cmark.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/cmark.c b/src/cmark.c index e7f6899..768d462 100644 --- a/src/cmark.c +++ b/src/cmark.c @@ -7,6 +7,72 @@ #include "buffer.h" #include "ast.h" +// AST traversal and manipulation functions + +cmark_node_block *cmark_block_next(cmark_node_block *current) +{ + return current->next; +} + +cmark_node_block *cmark_block_previous(cmark_node_block *current) +{ + return current->prev; +} + +cmark_node_block *cmark_block_parent(cmark_node_block *current) +{ + return current->parent; +} + +cmark_node_block *cmark_block_children(cmark_node_block *current) +{ + return current->children; +} + +void cmark_block_delete(cmark_node_block *current) +{ + if (current->prev) { + current->prev->next = current->next; + } + if (current->next) { + current->next->prev = current->prev; + } + current->next = NULL; + cmark_free_blocks(current); +} + +void cmark_block_insert_before(cmark_node_block *new, cmark_node_block *current) +{ + // Find last node in new: + cmark_node_block *new_last = new; + while (new_last->next) { + new_last = new_last->next; + } + new_last->next = current; + current->prev = new_last; + if (current->prev) { + current->prev->next = new; + new->prev = current->prev; + } +} + +void cmark_block_insert_after(cmark_node_block *current, cmark_node_block *new) +{ + // Find last node in new: + cmark_node_block *new_last = new; + while (new_last->next) { + new_last = new_last->next; + } + if (current->next) { + new_last->next = current->next; + current->next->prev = new_last; + } + current->next = new; + new->prev = current; +} + +/* * */ + unsigned char *cmark_markdown_to_html(unsigned char *text, int len) { node_block *blocks; |