LOWDOWN_TREE_RNDR(3)

NAME
lowdown_tree_rndr - render Markdown into debugging output

LIBRARY
liblowdown

SYNOPSIS
#include <sys/queue.h>
#include <stdio.h>
#include <lowdown.h>
int
lowdown_tree_rndr(struct lowdown_buf *out, const struct lowdown_node *n, const struct lowdown_opts *opts);

DESCRIPTION
Renders a node tree n created by lowdown_doc_parse(3) or lowdown_diff(3). The output is written into out, which must be initialised and freed by the caller.

The output consists of an UTF-8 tree. The format is not standardised and subject to change.

Unlike other renderers, lowdown_tree_rndr() accepts no options and thus has no context.

RETURN VALUES
Returns zero on failure to allocate memory, non-zero on success.

EXAMPLES
The following parses b of length bsz and outputs the parse tree.

    struct lowdown_buf *out;
    struct lowdown_doc *doc;
    struct lowdown_node *n;
    void *rndr;

    if ((doc = lowdown_doc_new(NULL)) == NULL)
    	err(1, NULL);
    if ((n = lowdown_doc_parse(doc, NULL, b, bsz, NULL)) == NULL)
    	err(1, NULL);
    if ((out = lowdown_buf_new(256)) == NULL)
    	err(1, NULL);
    if (!lowdown_tree_rndr(out, n))
    	err(1, NULL);

    fwrite(out->data, 1, out->size, stdout);

    lowdown_buf_free(out);
    lowdown_node_free(n);
    lowdown_doc_free(doc);

SEE ALSO
lowdown(3)