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Diffstat (limited to 'src/blocks.c')
-rw-r--r--src/blocks.c201
1 files changed, 100 insertions, 101 deletions
diff --git a/src/blocks.c b/src/blocks.c
index 024b8f0..8d6fd06 100644
--- a/src/blocks.c
+++ b/src/blocks.c
@@ -47,13 +47,13 @@ bool is_blank(strbuf *s, int offset)
{
while (offset < s->size) {
switch (s->ptr[offset]) {
- case '\n':
- return true;
- case ' ':
- offset++;
- break;
- default:
- return false;
+ case '\n':
+ return true;
+ case ' ':
+ offset++;
+ break;
+ default:
+ return false;
}
}
@@ -63,17 +63,17 @@ bool is_blank(strbuf *s, int offset)
static inline bool can_contain(int parent_type, int child_type)
{
return ( parent_type == BLOCK_DOCUMENT ||
- parent_type == BLOCK_BQUOTE ||
- parent_type == BLOCK_LIST_ITEM ||
- (parent_type == BLOCK_LIST && child_type == BLOCK_LIST_ITEM) );
+ parent_type == BLOCK_BQUOTE ||
+ parent_type == BLOCK_LIST_ITEM ||
+ (parent_type == BLOCK_LIST && child_type == BLOCK_LIST_ITEM) );
}
static inline bool accepts_lines(int block_type)
{
return (block_type == BLOCK_PARAGRAPH ||
- block_type == BLOCK_ATX_HEADER ||
- block_type == BLOCK_INDENTED_CODE ||
- block_type == BLOCK_FENCED_CODE);
+ block_type == BLOCK_ATX_HEADER ||
+ block_type == BLOCK_INDENTED_CODE ||
+ block_type == BLOCK_FENCED_CODE);
}
static void add_line(node_block* node_block, chunk *ch, int offset)
@@ -87,7 +87,7 @@ static void remove_trailing_blank_lines(strbuf *ln)
int i;
for (i = ln->size - 1; i >= 0; --i) {
- char c = ln->ptr[i];
+ unsigned char c = ln->ptr[i];
if (c != ' ' && c != '\t' && c != '\r' && c != '\n')
break;
@@ -156,77 +156,77 @@ static void finalize(node_block* b, int line_number)
}
switch (b->tag) {
- case BLOCK_PARAGRAPH:
- pos = 0;
- while (strbuf_at(&b->string_content, 0) == '[' &&
- (pos = parse_reference_inline(&b->string_content, b->top->as.document.refmap))) {
-
- strbuf_drop(&b->string_content, pos);
- }
- if (is_blank(&b->string_content, 0)) {
- b->tag = BLOCK_REFERENCE_DEF;
- }
- break;
+ case BLOCK_PARAGRAPH:
+ pos = 0;
+ while (strbuf_at(&b->string_content, 0) == '[' &&
+ (pos = parse_reference_inline(&b->string_content, b->top->as.document.refmap))) {
- case BLOCK_INDENTED_CODE:
- remove_trailing_blank_lines(&b->string_content);
- strbuf_putc(&b->string_content, '\n');
- break;
-
- case BLOCK_FENCED_CODE:
- // first line of contents becomes info
- firstlinelen = strbuf_strchr(&b->string_content, '\n', 0);
-
- strbuf_init(&b->as.code.info, 0);
- houdini_unescape_html_f(
- &b->as.code.info,
- b->string_content.ptr,
- firstlinelen
+ strbuf_drop(&b->string_content, pos);
+ }
+ if (is_blank(&b->string_content, 0)) {
+ b->tag = BLOCK_REFERENCE_DEF;
+ }
+ break;
+
+ case BLOCK_INDENTED_CODE:
+ remove_trailing_blank_lines(&b->string_content);
+ strbuf_putc(&b->string_content, '\n');
+ break;
+
+ case BLOCK_FENCED_CODE:
+ // first line of contents becomes info
+ firstlinelen = strbuf_strchr(&b->string_content, '\n', 0);
+
+ strbuf_init(&b->as.code.info, 0);
+ houdini_unescape_html_f(
+ &b->as.code.info,
+ b->string_content.ptr,
+ firstlinelen
);
- strbuf_drop(&b->string_content, firstlinelen + 1);
+ strbuf_drop(&b->string_content, firstlinelen + 1);
- strbuf_trim(&b->as.code.info);
- strbuf_unescape(&b->as.code.info);
- break;
+ strbuf_trim(&b->as.code.info);
+ strbuf_unescape(&b->as.code.info);
+ break;
- case BLOCK_LIST: // determine tight/loose status
- b->as.list.tight = true; // tight by default
- item = b->children;
+ case BLOCK_LIST: // determine tight/loose status
+ b->as.list.tight = true; // tight by default
+ item = b->children;
- while (item) {
- // check for non-final non-empty list item ending with blank line:
- if (item->last_line_blank && item->next) {
+ while (item) {
+ // check for non-final non-empty list item ending with blank line:
+ if (item->last_line_blank && item->next) {
+ b->as.list.tight = false;
+ break;
+ }
+ // recurse into children of list item, to see if there are
+ // spaces between them:
+ subitem = item->children;
+ while (subitem) {
+ if (ends_with_blank_line(subitem) &&
+ (item->next || subitem->next)) {
b->as.list.tight = false;
break;
}
- // recurse into children of list item, to see if there are
- // spaces between them:
- subitem = item->children;
- while (subitem) {
- if (ends_with_blank_line(subitem) &&
- (item->next || subitem->next)) {
- b->as.list.tight = false;
- break;
- }
- subitem = subitem->next;
- }
- if (!(b->as.list.tight)) {
- break;
- }
- item = item->next;
+ subitem = subitem->next;
}
+ if (!(b->as.list.tight)) {
+ break;
+ }
+ item = item->next;
+ }
- break;
+ break;
- default:
- break;
+ default:
+ break;
}
}
// Add a node_block as child of another. Return pointer to child.
static node_block* add_child(node_block* parent,
- int block_type, int start_line, int start_column)
+ int block_type, int start_line, int start_column)
{
assert(parent);
@@ -276,14 +276,14 @@ void stmd_free_nodes(node_block *e)
void process_inlines(node_block* cur, reference_map *refmap)
{
switch (cur->tag) {
- case BLOCK_PARAGRAPH:
- case BLOCK_ATX_HEADER:
- case BLOCK_SETEXT_HEADER:
- cur->inline_content = parse_inlines(&cur->string_content, refmap);
- break;
-
- default:
- break;
+ case BLOCK_PARAGRAPH:
+ case BLOCK_ATX_HEADER:
+ case BLOCK_SETEXT_HEADER:
+ cur->inline_content = parse_inlines(&cur->string_content, refmap);
+ break;
+
+ default:
+ break;
}
node_block *child = cur->children;
@@ -362,9 +362,9 @@ static int parse_list_marker(chunk *input, int pos, struct ListData ** dataptr)
static int lists_match(struct ListData *list_data, struct ListData *item_data)
{
return (list_data->list_type == item_data->list_type &&
- list_data->delimiter == item_data->delimiter &&
- // list_data->marker_offset == item_data.marker_offset &&
- list_data->bullet_char == item_data->bullet_char);
+ list_data->delimiter == item_data->delimiter &&
+ // list_data->marker_offset == item_data.marker_offset &&
+ list_data->bullet_char == item_data->bullet_char);
}
static node_block *finalize_document(node_block *document, int linenum)
@@ -493,7 +493,7 @@ static void incorporate_line(strbuf *line, int line_number, node_block** curptr)
} else if (container->tag == BLOCK_LIST_ITEM) {
if (indent >= container->as.list.marker_offset +
- container->as.list.padding) {
+ container->as.list.padding) {
offset += container->as.list.marker_offset +
container->as.list.padding;
} else if (blank) {
@@ -513,7 +513,7 @@ static void incorporate_line(strbuf *line, int line_number, node_block** curptr)
}
} else if (container->tag == BLOCK_ATX_HEADER ||
- container->tag == BLOCK_SETEXT_HEADER) {
+ container->tag == BLOCK_SETEXT_HEADER) {
// a header can never contain more than one line
all_matched = false;
@@ -557,7 +557,7 @@ static void incorporate_line(strbuf *line, int line_number, node_block** curptr)
// unless last matched container is code node_block, try new container starts:
while (container->tag != BLOCK_FENCED_CODE && container->tag != BLOCK_INDENTED_CODE &&
- container->tag != BLOCK_HTML) {
+ container->tag != BLOCK_HTML) {
first_nonspace = offset;
while (peek_at(&input, first_nonspace) == ' ')
@@ -610,17 +610,17 @@ static void incorporate_line(strbuf *line, int line_number, node_block** curptr)
// note, we don't adjust offset because the tag is part of the text
} else if (container->tag == BLOCK_PARAGRAPH &&
- (lev = scan_setext_header_line(&input, first_nonspace)) &&
- // check that there is only one line in the paragraph:
- strbuf_strrchr(&container->string_content, '\n',
- strbuf_len(&container->string_content) - 2) < 0) {
+ (lev = scan_setext_header_line(&input, first_nonspace)) &&
+ // check that there is only one line in the paragraph:
+ strbuf_strrchr(&container->string_content, '\n',
+ strbuf_len(&container->string_content) - 2) < 0) {
container->tag = BLOCK_SETEXT_HEADER;
container->as.header.level = lev;
offset = input.len - 1;
} else if (!(container->tag == BLOCK_PARAGRAPH && !all_matched) &&
- (matched = scan_hrule(&input, first_nonspace))) {
+ (matched = scan_hrule(&input, first_nonspace))) {
// it's only now that we know the line is not part of a setext header:
container = add_child(container, BLOCK_HRULE, line_number, first_nonspace + 1);
@@ -653,16 +653,16 @@ static void incorporate_line(strbuf *line, int line_number, node_block** curptr)
data->marker_offset = indent;
if (container->tag != BLOCK_LIST ||
- !lists_match(&container->as.list, data)) {
+ !lists_match(&container->as.list, data)) {
container = add_child(container, BLOCK_LIST, line_number,
- first_nonspace + 1);
+ first_nonspace + 1);
memcpy(&container->as.list, data, sizeof(*data));
}
// add the list item
container = add_child(container, BLOCK_LIST_ITEM, line_number,
- first_nonspace + 1);
+ first_nonspace + 1);
/* TODO: static */
memcpy(&container->as.list, data, sizeof(*data));
free(data);
@@ -691,11 +691,11 @@ static void incorporate_line(strbuf *line, int line_number, node_block** curptr)
// lists or breaking out of lists. we also don't set last_line_blank
// on an empty list item.
container->last_line_blank = (blank &&
- container->tag != BLOCK_BQUOTE &&
- container->tag != BLOCK_FENCED_CODE &&
- !(container->tag == BLOCK_LIST_ITEM &&
- container->children == NULL &&
- container->start_line == line_number));
+ container->tag != BLOCK_BQUOTE &&
+ container->tag != BLOCK_FENCED_CODE &&
+ !(container->tag == BLOCK_LIST_ITEM &&
+ container->children == NULL &&
+ container->start_line == line_number));
node_block *cont = container;
while (cont->parent) {
@@ -704,10 +704,10 @@ static void incorporate_line(strbuf *line, int line_number, node_block** curptr)
}
if (cur != last_matched_container &&
- container == last_matched_container &&
- !blank &&
- cur->tag == BLOCK_PARAGRAPH &&
- strbuf_len(&cur->string_content) > 0) {
+ container == last_matched_container &&
+ !blank &&
+ cur->tag == BLOCK_PARAGRAPH &&
+ strbuf_len(&cur->string_content) > 0) {
add_line(cur, &input, offset);
@@ -728,7 +728,7 @@ static void incorporate_line(strbuf *line, int line_number, node_block** curptr)
matched = 0;
if (indent <= 3 &&
- peek_at(&input, first_nonspace) == container->as.code.fence_char) {
+ peek_at(&input, first_nonspace) == container->as.code.fence_char) {
int fence_len = scan_close_code_fence(&input, first_nonspace);
if (fence_len > container->as.code.fence_length)
matched = 1;
@@ -774,4 +774,3 @@ static void incorporate_line(strbuf *line, int line_number, node_block** curptr)
*curptr = container;
}
}
-