1 files changed, 0 insertions, 154 deletions
diff --git a/src/references.c b/src/references.c
deleted file mode 100644
index 37bf4cb..0000000
--- a/src/references.c
+++ /dev/null
@@ -1,154 +0,0 @@
-#include "cmark.h"
-#include "utf8.h"
-#include "parser.h"
-#include "references.h"
-#include "inlines.h"
-#include "chunk.h"
-
-static unsigned int
-refhash(const unsigned char *link_ref)
-{
-	unsigned int hash = 0;
-
-	while (*link_ref)
-		hash = (*link_ref++) + (hash << 6) + (hash << 16) - hash;
-
-	return hash;
-}
-
-static void reference_free(cmark_reference *ref)
-{
-	if(ref != NULL) {
-		free(ref->label);
-		free(ref->url);
-		free(ref->title);
-		free(ref);
-	}
-}
-
-// normalize reference:  collapse internal whitespace to single space,
-// remove leading/trailing whitespace, case fold
-// Return NULL if the reference name is actually empty (i.e. composed
-// solely from whitespace)
-static unsigned char *normalize_reference(cmark_chunk *ref)
-{
-	cmark_strbuf normalized = GH_BUF_INIT;
-	unsigned char *result;
-
-	if(ref == NULL)
-		return NULL;
-
-	if (ref->len == 0)
-		return NULL;
-
-	utf8proc_case_fold(&normalized, ref->data, ref->len);
-	cmark_strbuf_trim(&normalized);
-	cmark_strbuf_normalize_whitespace(&normalized);
-
-	result = cmark_strbuf_detach(&normalized);
-	assert(result);
-
-	if (result[0] == '\0') {
-		free(result);
-		return NULL;
-	}
-
-	return result;
-}
-
-static void add_reference(cmark_reference_map *map, cmark_reference* ref)
-{
-	cmark_reference *t = ref->next = map->table[ref->hash % REFMAP_SIZE];
-
-	while (t) {
-		if (t->hash == ref->hash &&
-		    !strcmp((char *)t->label, (char *)ref->label)) {
-			reference_free(ref);
-			return;
-		}
-
-		t = t->next;
-	}
-
-	map->table[ref->hash % REFMAP_SIZE] = ref;
-}
-
-void cmark_reference_create(cmark_reference_map *map, cmark_chunk *label, cmark_chunk *url,
-                            cmark_chunk *title)
-{
-	cmark_reference *ref;
-	unsigned char *reflabel = normalize_reference(label);
-
-	/* empty reference name, or composed from only whitespace */
-	if (reflabel == NULL)
-		return;
-
-	ref = (cmark_reference *)calloc(1, sizeof(*ref));
-	if(ref != NULL) {
-		ref->label = reflabel;
-		ref->hash = refhash(ref->label);
-		ref->url = cmark_clean_url(url);
-		ref->title = cmark_clean_title(title);
-		ref->next = NULL;
-
-		add_reference(map, ref);
-	}
-}
-
-// Returns reference if refmap contains a reference with matching
-// label, otherwise NULL.
-cmark_reference* cmark_reference_lookup(cmark_reference_map *map, cmark_chunk *label)
-{
-	cmark_reference *ref = NULL;
-	unsigned char *norm;
-	unsigned int hash;
-
-	if (label->len > MAX_LINK_LABEL_LENGTH)
-		return NULL;
-
-	if (map == NULL)
-		return NULL;
-
-	norm = normalize_reference(label);
-	if (norm == NULL)
-		return NULL;
-
-	hash = refhash(norm);
-	ref = map->table[hash % REFMAP_SIZE];
-
-	while (ref) {
-		if (ref->hash == hash &&
-		    !strcmp((char *)ref->label, (char *)norm))
-			break;
-		ref = ref->next;
-	}
-
-	free(norm);
-	return ref;
-}
-
-void cmark_reference_map_free(cmark_reference_map *map)
-{
-	unsigned int i;
-
-	if(map == NULL)
-		return;
-
-	for (i = 0; i < REFMAP_SIZE; ++i) {
-		cmark_reference *ref = map->table[i];
-		cmark_reference *next;
-
-		while (ref) {
-			next = ref->next;
-			reference_free(ref);
-			ref = next;
-		}
-	}
-
-	free(map);
-}
-
-cmark_reference_map *cmark_reference_map_new(void)
-{
-	return (cmark_reference_map *)calloc(1, sizeof(cmark_reference_map));
-}