kakoune/src/completion.cc

55 lines
1.3 KiB
C++

#include "completion.hh"
#include "buffer_manager.hh"
#include "utils.hh"
#include <dirent.h>
#include <algorithm>
namespace Kakoune
{
CandidateList complete_filename(const String& prefix,
size_t cursor_pos)
{
String real_prefix = prefix.substr(0, cursor_pos);
auto dir_end = std::find(real_prefix.begin(), real_prefix.end(), '/');
String dirname = "./";
String dirprefix;
String fileprefix = real_prefix;
if (dir_end != real_prefix.end())
{
dirname = String(real_prefix.begin(), dir_end + 1);
dirprefix = dirname;
fileprefix = String(dir_end + 1, real_prefix.end());
}
DIR* dir = opendir(dirname.c_str());
auto closeDir = on_scope_end([=](){ closedir(dir); });
CandidateList result;
if (not dir)
return result;
while (dirent* entry = readdir(dir))
{
String filename = entry->d_name;
if (filename.empty())
continue;
if (filename.substr(0, fileprefix.length()) == fileprefix)
{
String name = dirprefix + filename;
if (entry->d_type == DT_DIR)
name += '/';
if (fileprefix.length() or filename[0] != '.')
result.push_back(name);
}
}
std::sort(result.begin(), result.end());
return result;
}
}