void get_basename(SkString* basename, const SkString& path) {
if (path.size() == 0) {
basename->reset();
return;
}
size_t end = path.size() - 1;
// Paths pointing to directories often have a trailing slash,
// we remove it so the name is not empty
if (is_path_seperator(path[end])) {
if (end == 0) {
basename->reset();
return;
}
end -= 1;
}
size_t i = end;
do {
--i;
if (is_path_seperator(path[i])) {
const char* basenameStart = path.c_str() + i + 1;
size_t basenameLength = end - i;
basename->set(basenameStart, basenameLength);
return;
}
} while (i > 0);
basename->set(path.c_str(), end + 1);
}
void get_parent_directory(Value* filename, Value* result)
{
int end = string_length(filename);
// Advance past trailing seperators.
while (end > 0 && is_path_seperator(string_get(filename, end - 1)))
end--;
bool foundSep = false;
while (end > 0) {
while (end > 0 && is_path_seperator(string_get(filename, end - 1))) {
foundSep = true;
end--;
}
if (foundSep)
break;
end--;
}
if (end == 0) {
if (is_absolute_path(filename))
set_string(result, "/");
else
set_string(result, ".");
} else
string_slice(filename, 0, end, result);
}
void join_path(Value* left, Value* right)
{
const char* leftStr = as_cstring(left);
const char* rightStr = as_cstring(right);
int left_len = (int) strlen(leftStr);
int right_len = (int) strlen(leftStr);
if (string_equals(left, "") || string_equals(left, ".")) {
copy(right, left);
return;
}
if (string_equals(right, ""))
return;
int seperatorCount = 0;
if (left_len > 0 && is_path_seperator(leftStr[left_len-1]))
seperatorCount++;
if (right_len > 0 && is_path_seperator(rightStr[0]))
seperatorCount++;
if (seperatorCount == 2)
string_resize(left, left_len - 1);
else if (seperatorCount == 0)
string_append(left, "/");
string_append(left, right);
}
void get_just_filename_for_path(Value* path, Value* filenameOut)
{
int start = string_length(path) - 1;
while (start > 0 && !is_path_seperator(string_get(path, start - 1)))
start--;
string_slice(path, start, -1, filenameOut);
}
