99 lines
2.6 KiB
C++
99 lines
2.6 KiB
C++
#include "completion.hh"
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#include "buffer_manager.hh"
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#include "utils.hh"
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#include "file.hh"
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#include "context.hh"
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#include <dirent.h>
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#include <algorithm>
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#include <boost/regex.hpp>
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namespace Kakoune
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{
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static boost::regex make_regex_ifp(const String& ex)
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{
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boost::regex result;
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if (not ex.empty())
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{
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try
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{
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result = boost::regex(ex.c_str());
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}
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catch(boost::regex_error&) {}
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}
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return result;
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}
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CandidateList complete_filename(const Context& context,
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const String& prefix,
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ByteCount cursor_pos)
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{
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String real_prefix = parse_filename(prefix.substr(0, cursor_pos));
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String dirname = "./";
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String dirprefix;
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String fileprefix = real_prefix;
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boost::regex ignored_files = make_regex_ifp(context.options()["ignored_files"].as_string());
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ByteCount dir_end = -1;
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for (ByteCount i = 0; i < real_prefix.length(); ++i)
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{
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if (real_prefix[i] == '/')
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dir_end = i;
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}
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if (dir_end != -1)
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{
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dirname = real_prefix.substr(0, dir_end + 1);
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dirprefix = dirname;
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fileprefix = real_prefix.substr(dir_end + 1);
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}
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DIR* dir = opendir(dirname.c_str());
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auto closeDir = on_scope_end([=]{ closedir(dir); });
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CandidateList result;
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if (not dir)
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return result;
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const bool check_ignored_files = not ignored_files.empty() and
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not boost::regex_match(fileprefix.c_str(), ignored_files);
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boost::regex file_regex = make_regex_ifp(fileprefix);
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CandidateList regex_result;
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while (dirent* entry = readdir(dir))
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{
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String filename = entry->d_name;
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if (filename.empty())
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continue;
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if (check_ignored_files and boost::regex_match(filename.c_str(), ignored_files))
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continue;
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const bool match_prefix = (filename.substr(0, fileprefix.length()) == fileprefix);
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const bool match_regex = not file_regex.empty() and
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boost::regex_match(filename.c_str(), file_regex);
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if (match_prefix or match_regex)
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{
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String name = dirprefix + filename;
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if (entry->d_type == DT_DIR)
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name += '/';
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if (fileprefix.length() != 0 or filename[0] != '.')
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{
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if (match_prefix)
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result.push_back(escape(name));
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if (match_regex)
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regex_result.push_back(escape(name));
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}
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}
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}
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CandidateList& real_result = result.empty() ? regex_result : result;
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std::sort(real_result.begin(), real_result.end());
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return real_result;
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}
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}
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