w_string_t *w_query_ctx_get_wholename(
struct w_query_ctx *ctx
)
{
w_string_t *full_name;
uint32_t name_start;
if (ctx->wholename) {
return ctx->wholename;
}
if (ctx->query->relative_root != NULL) {
// At this point every path should start with the relative root, so this is
// legal
name_start = ctx->query->relative_root->len + 1;
} else {
name_start = ctx->root->root_path->len + 1;
}
full_name = w_string_path_cat(compute_parent_path(ctx, ctx->file),
w_file_get_name(ctx->file));
// Record the name relative to the root
ctx->wholename = w_string_slice(full_name, name_start,
full_name->len - name_start);
w_string_delref(full_name);
return ctx->wholename;
}
w_string_t *w_string_canon_path(w_string_t *str)
{
int end;
int trim = 0;
for (end = str->len - 1; end >= 0 && str->buf[end] == '/'; end--) {
trim++;
}
if (trim) {
return w_string_slice(str, 0, str->len - trim);
}
w_string_addref(str);
return str;
}
w_string_t *w_string_dirname(w_string_t *str)
{
int end;
/* can't use libc strXXX functions because we may be operating
* on a slice */
for (end = str->len - 1; end >= 0; end--) {
if (str->buf[end] == '/') {
/* found the end of the parent dir */
return w_string_slice(str, 0, end);
}
}
return NULL;
}
w_string_t *w_string_basename(w_string_t *str)
{
int end;
/* can't use libc strXXX functions because we may be operating
* on a slice */
for (end = str->len - 1; end >= 0; end--) {
if (str->buf[end] == '/') {
/* found the end of the parent dir */
return w_string_slice(str, end + 1, str->len - (end + 1));
}
}
w_string_addref(str);
return str;
}
w_string_t *w_query_ctx_get_wholename(
struct w_query_ctx *ctx
)
{
w_string_t *full_name;
uint32_t name_start;
if (ctx->wholename) {
return ctx->wholename;
}
name_start = ctx->root->root_path->len + 1;
full_name = w_string_path_cat(ctx->file->parent->path, ctx->file->name);
// Record the name relative to the root
ctx->wholename = w_string_slice(full_name, name_start,
full_name->len - name_start);
w_string_delref(full_name);
return ctx->wholename;
}
w_string w_string::slice(uint32_t start, uint32_t len) const {
return w_string(w_string_slice(str_, start, len), false);
}
