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Add find_for_range function for Nodes

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This commit is contained in:
Max Brunsfeld 2014-08-25 09:31:27 -07:00
parent b1a7886225
commit cef6827182
3 changed files with 49 additions and 21 deletions
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12
src/runtime/node.c
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@ -77,19 +77,19 @@ TSNode *ts_node_child(TSNode *parent, size_t index) {
parent->names);
}
TSNode *ts_node_find_pos(TSNode *parent, size_t position) {
TSNode *ts_node_find_for_range(TSNode *parent, size_t min, size_t max) {
size_t child_count;
TSChildWithPosition *children =
ts_tree_visible_children(parent->content, &child_count);
for (size_t i = 0; i < child_count; i++) {
TSChildWithPosition child = children[i];
size_t child_left = child.position + child.tree->offset;
if (child_left > position)
if (child_left > min)
break;
if (child_left + child.tree->size > position) {
if (child_left + child.tree->size >= max) {
TSNode *node =
ts_node_make(child.tree, parent, i, child.position, parent->names);
TSNode *result = ts_node_find_pos(node, position);
TSNode *result = ts_node_find_for_range(node, min, max);
ts_node_release(node);
return result;
}
@ -98,3 +98,7 @@ TSNode *ts_node_find_pos(TSNode *parent, size_t position) {
ts_node_retain(parent);
return parent;
}
TSNode *ts_node_find_for_pos(TSNode *parent, size_t position) {
return ts_node_find_for_range(parent, position, position);
}