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new-link: Add reference parsing

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Xavier Mendez 2014-12-29 12:07:04 +01:00
parent f1f0d5c697
commit 18800f0f6a
1 changed files with 96 additions and 1 deletions
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97
src/document.c
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@ -1409,9 +1409,104 @@ static inline int test_link_reference(const uint8_t *data, size_t size) {
size >= 4 && (data[3] == '[')))))));
}
static inline size_t parse_link_reference_title(hoedown_document *doc, hoedown_buffer *title, const uint8_t *data, size_t size) {
size_t i = 0, mark;
// Mandatory spacing, up to one newline
mark = i;
while (i < size && data[i] == ' ') i++;
if (i < size && data[i] == '\n') {
i++;
while (i < size && data[i] == ' ') i++;
}
if (mark == i) return 0;
// Title!
mark = i;
i += parse_link_title(doc, title, data + i, size - i);
if (mark == i) return 0;
return i;
}
static inline size_t parse_link_reference_content(hoedown_document *doc, struct link_ref *ref, const uint8_t *data, size_t size) {
size_t i = 0, mark;
// Optional spacing, up to one newline
while (i < size && data[i] == ' ') i++;
if (i < size && data[i] == '\n') {
i++;
while (i < size && data[i] == ' ') i++;
}
// Destination!
mark = i;
i += parse_link_destination(doc, ref->dest, data + i, size - i);
if (mark == i) return 0;
// Optional whitespace and title
mark = i;
i += parse_link_reference_title(doc, ref->title, data + i, size - i);
ref->has_title = (mark < i);
// Optional spaces
while (i < size && data[i] == ' ') i++;
return i;
}
// Marker parsing method.
static inline size_t parse_link_reference(hoedown_document *doc, void *target, const uint8_t *data, size_t parsed, size_t start, size_t size) {
//TODO
size_t i = start, mark;
hoedown_buffer *label;
struct link_ref *ref;
// Skip three optional spaces
if (unlikely(i + 3 > size)) return 0;
if (data[i] == ' ') { i++;
if (data[i] == ' ') { i++;
if (data[i] == ' ') { i++;
}}}
// Link label and colon
label = hoedown_pool_get(&doc->buffers_inline);
mark = i;
i += parse_link_label(label, data + i, size - i);
if (i > mark && i < size && data[i] == ':') i++;
else {
hoedown_pool_pop(&doc->buffers_inline, label);
return 0;
}
// Contents (destination and title) and newline or EOF
ref = hoedown_pool_get(&doc->marker_link_refs);
mark = i;
i += parse_link_reference_content(doc, ref, data + i, size - i);
if (i > mark && (i >= size || data[i] == '\n')) i++;
else {
hoedown_pool_pop(&doc->buffers_inline, label);
hoedown_pool_pop(&doc->marker_link_refs, ref);
return 0;
}
// Store!
if (doc->mode == MARKER_PARSING) {
ref->id = hash_string(label->data, label->size);
hoedown_pool_pop(&doc->buffers_inline, label);
if (find_link_ref(doc, ref->id))
hoedown_pool_pop(&doc->marker_link_refs, ref);
else
add_link_ref(doc, ref);
} else if (doc->mode == NORMAL_PARSING) {
hoedown_pool_pop(&doc->buffers_inline, label);
hoedown_pool_pop(&doc->marker_link_refs, ref);
parse_paragraph(doc, target, data + parsed, start - parsed);
}
return i;
}
static inline size_t parse_quote_block_prefix(const uint8_t *data, size_t size) {