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Diffstat (limited to 'src/html/html.c')
-rw-r--r--src/html/html.c61
1 files changed, 45 insertions, 16 deletions
diff --git a/src/html/html.c b/src/html/html.c
index 404a946..5f08506 100644
--- a/src/html/html.c
+++ b/src/html/html.c
@@ -16,6 +16,7 @@ typedef struct RenderStack {
node_block *block;
} next_sibling;
bool tight;
+ bool trim;
} render_stack;
static void free_render_stack(render_stack * rstack)
@@ -40,13 +41,16 @@ static render_stack* push_inline(render_stack* rstack,
newstack->previous = rstack;
newstack->next_sibling.inl = inl;
newstack->literal = literal;
+ newstack->tight = false;
+ newstack->trim = false;
return newstack;
}
static render_stack* push_block(render_stack* rstack,
node_block* block,
char* literal,
- bool tight)
+ bool tight,
+ bool trim)
{
render_stack* newstack;
newstack = (render_stack*)malloc(sizeof(render_stack));
@@ -57,6 +61,7 @@ static render_stack* push_block(render_stack* rstack,
newstack->next_sibling.block = block;
newstack->literal = literal;
newstack->tight = tight;
+ newstack->trim = trim;
return newstack;
}
@@ -101,10 +106,11 @@ static inline void cr(strbuf *html)
static void inlines_to_plain_html(strbuf *html, node_inl* ils)
{
node_inl* children;
+ bool visit_children;
render_stack* rstack = NULL;
while(ils != NULL) {
- children = NULL;
+ visit_children = false;
switch(ils->tag) {
case INL_STRING:
case INL_CODE:
@@ -120,16 +126,18 @@ static void inlines_to_plain_html(strbuf *html, node_inl* ils)
case INL_LINK:
case INL_IMAGE:
children = ils->content.inlines;
+ visit_children = true;
rstack = push_inline(rstack, ils->next, "");
break;
case INL_STRONG:
case INL_EMPH:
children = ils->content.inlines;
+ visit_children = true;
rstack = push_inline(rstack, ils->next, "");
break;
}
- if (children) {
+ if (visit_children) {
ils = children;
} else {
ils = ils->next;
@@ -237,14 +245,19 @@ static void inlines_to_html(strbuf *html, node_inl* ils)
}
// Convert a node_block list to HTML. Returns 0 on success, and sets result.
-static void blocks_to_html(strbuf *html, node_block *b, bool tight)
+static void blocks_to_html(strbuf *html, node_block *b)
{
struct ListData *data;
+ render_stack* rstack = NULL;
+ bool visit_children = false;
+ bool tight = false;
while(b != NULL) {
+ visit_children = false;
switch(b->tag) {
case BLOCK_DOCUMENT:
- blocks_to_html(html, b->children, false);
+ rstack = push_block(rstack, b->next, "", false, false);
+ visit_children = true;
break;
case BLOCK_PARAGRAPH:
@@ -261,16 +274,16 @@ static void blocks_to_html(strbuf *html, node_block *b, bool tight)
case BLOCK_BQUOTE:
cr(html);
strbuf_puts(html, "<blockquote>\n");
- blocks_to_html(html, b->children, false);
- strbuf_puts(html, "</blockquote>\n");
+ rstack = push_block(rstack, b->next, "</blockquote>\n", tight, false);
+ tight = false;
+ visit_children = true;
break;
case BLOCK_LIST_ITEM:
cr(html);
strbuf_puts(html, "<li>");
- blocks_to_html(html, b->children, tight);
- strbuf_trim(html); /* TODO: rtrim */
- strbuf_puts(html, "</li>\n");
+ rstack = push_block(rstack, b->next, "</li>\n", tight, true);
+ visit_children = true;
break;
case BLOCK_LIST:
@@ -286,9 +299,11 @@ static void blocks_to_html(strbuf *html, node_block *b, bool tight)
strbuf_puts(html, data->list_type == bullet ? "<ul>\n" : "<ol>\n");
}
- blocks_to_html(html, b->children, data->tight);
- strbuf_puts(html, data->list_type == bullet ? "</ul>" : "</ol>");
- strbuf_putc(html, '\n');
+ rstack = push_block(rstack, b->next,
+ data->list_type == bullet ?
+ "\n</ul>\n" : "\n</ol>\n", tight, false);
+ tight = data->tight;
+ visit_children = true;
break;
case BLOCK_ATX_HEADER:
@@ -338,12 +353,26 @@ static void blocks_to_html(strbuf *html, node_block *b, bool tight)
default:
assert(false);
}
-
- b = b->next;
+ if (visit_children) {
+ b = b->children;
+ } else {
+ b = b->next;
+ }
+ while (b == NULL && rstack != NULL) {
+ strbuf_puts(html, rstack->literal);
+ if (rstack->trim) {
+ strbuf_rtrim(html);
+ }
+ tight = rstack->tight;
+ b = rstack->next_sibling.block;
+ rstack = pop_render_stack(rstack);
+ }
}
+
+ free_render_stack(rstack);
}
void cmark_render_html(strbuf *html, node_block *root)
{
- blocks_to_html(html, root, false);
+ blocks_to_html(html, root);
}