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-rw-r--r--src/patree.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/src/patree.c b/src/patree.c
index d91ee6a..bcda57f 100644
--- a/src/patree.c
+++ b/src/patree.c
@@ -32,9 +32,9 @@ typedef struct _ZixPatreeNode {
char* label_first; /* Start of incoming label */
char* label_last; /* End of incoming label */
char* str; /* String stored at this node */
+ char* children_index;
struct _ZixPatreeNode* children; /* Children of this node */
n_edges_t num_children; /* Number of outgoing edges */
- char label_first_char; /* First char of label_first */
} ZixPatreeNode;
struct _ZixPatree {
@@ -120,7 +120,7 @@ static bool
patree_find_edge(const ZixPatreeNode* n, const char c, n_edges_t* const index)
{
for (n_edges_t i = 0; i < n->num_children; ++i) {
- if (n->children[i].label_first_char == c) {
+ if (n->children_index[i] == c) {
*index = i;
return true;
}
@@ -146,8 +146,12 @@ patree_add_edge(ZixPatreeNode* n,
n->children[n->num_children].label_last = last;
n->children[n->num_children].str = str;
n->children[n->num_children].children = NULL;
+ n->children[n->num_children].children_index = NULL;
n->children[n->num_children].num_children = 0;
- n->children[n->num_children].label_first_char = first[0];
+
+ n->children_index = realloc(n->children_index, (n->num_children + 1));
+ n->children_index[n->num_children] = first[0];
+
++n->num_children;
}
@@ -165,12 +169,15 @@ patree_split_edge(ZixPatreeNode* child,
child->children = malloc(sizeof(ZixPatreeNode));
child->children[0].children = children;
+ child->children[0].children_index = child->children_index;
child->children[0].num_children = num_children;
child->children[0].str = child->str;
child->children[0].label_first = first;
child->children[0].label_last = last;
- child->children[0].label_first_char = first[0];
+ child->children_index = malloc(1);
+ child->children_index[0] = first[0];
+
child->label_last = child->label_first + (index - 1); // chop end
child->num_children = 1;
@@ -244,8 +251,6 @@ zix_patree_find(const ZixPatree* t, const char* const str, char** match)
register const char* p = str;
- *match = NULL;
-
while (*p != '\0') {
if (patree_find_edge(n, p[0], &child_i)) {
assert(child_i <= n->num_children);