From f68394668174492caa599442e9f7bd344a84d9d8 Mon Sep 17 00:00:00 2001 From: Maxime Coste Date: Mon, 28 Apr 2014 21:54:00 +0100 Subject: [PATCH] Extract insert completion code to insert_completer.{cc,hh} --- src/input_handler.cc | 380 ++------------------------------------- src/insert_completer.cc | 384 ++++++++++++++++++++++++++++++++++++++++ src/insert_completer.hh | 53 ++++++ 3 files changed, 448 insertions(+), 369 deletions(-) create mode 100644 src/insert_completer.cc create mode 100644 src/insert_completer.hh diff --git a/src/input_handler.cc b/src/input_handler.cc index 560d2d11..b0f3bcc5 100644 --- a/src/input_handler.cc +++ b/src/input_handler.cc @@ -1,18 +1,16 @@ #include "input_handler.hh" -#include "window.hh" -#include "utf8.hh" -#include "user_interface.hh" #include "buffer_manager.hh" -#include "register_manager.hh" -#include "normal.hh" -#include "event_manager.hh" +#include "buffer_utils.hh" #include "client.hh" #include "color_registry.hh" -#include "file.hh" -#include "word_db.hh" -#include "buffer_utils.hh" -#include "debug.hh" +#include "event_manager.hh" +#include "insert_completer.hh" +#include "normal.hh" +#include "register_manager.hh" +#include "user_interface.hh" +#include "utf8.hh" +#include "window.hh" #include @@ -616,359 +614,6 @@ private: KeyCallback m_callback; }; -struct InsertCompletion -{ - BufferCoord begin; - BufferCoord end; - CandidateList candidates; - size_t timestamp; - - bool is_valid() const { return not candidates.empty(); } -}; - -class InsertCompleter : public OptionManagerWatcher_AutoRegister -{ -public: - InsertCompleter(const Context& context) - : OptionManagerWatcher_AutoRegister(context.options()), m_context(context) - {} - InsertCompleter(const InsertCompleter&) = delete; - InsertCompleter& operator=(const InsertCompleter&) = delete; - - void select(int offset) - { - if (not setup_ifn()) - return; - - auto& buffer = m_context.buffer(); - m_current_candidate = (m_current_candidate + offset) % (int)m_matching_candidates.size(); - if (m_current_candidate < 0) - m_current_candidate += m_matching_candidates.size(); - const String& candidate = m_matching_candidates[m_current_candidate]; - const auto& cursor_pos = m_context.selections().main().cursor(); - const auto prefix_len = buffer.distance(m_completions.begin, cursor_pos); - const auto suffix_len = std::max(0_byte, buffer.distance(cursor_pos, m_completions.end)); - const auto buffer_len = buffer.byte_count(); - - auto ref = buffer.string(m_completions.begin, m_completions.end); - for (auto& sel : m_context.selections()) - { - auto offset = buffer.offset(sel.cursor()); - auto pos = buffer.iterator_at(sel.cursor()); - if (offset >= prefix_len and offset + suffix_len < buffer_len and - std::equal(ref.begin(), ref.end(), pos - prefix_len)) - { - pos = buffer.erase(pos - prefix_len, pos + suffix_len); - buffer.insert(pos, candidate); - } - } - m_completions.end = cursor_pos; - m_completions.begin = buffer.advance(m_completions.end, -candidate.length()); - m_completions.timestamp = buffer.timestamp(); - if (m_context.has_ui()) - m_context.ui().menu_select(m_current_candidate); - - // when we select a match, remove non displayed matches from the candidates - // which are considered as invalid with the new completion timestamp - m_completions.candidates.clear(); - std::copy(m_matching_candidates.begin(), m_matching_candidates.end()-1, - std::back_inserter(m_completions.candidates)); - } - - void update() - { - if (m_completions.is_valid()) - { - ByteCount longest_completion = 0; - for (auto& candidate : m_completions.candidates) - longest_completion = std::max(longest_completion, candidate.length()); - - BufferCoord cursor = m_context.selections().main().cursor(); - BufferCoord compl_beg = m_completions.begin; - if (cursor.line == compl_beg.line and - is_in_range(cursor.column - compl_beg.column, - ByteCount{0}, longest_completion-1)) - { - String prefix = m_context.buffer().string(compl_beg, cursor); - - if (m_context.buffer().timestamp() == m_completions.timestamp) - m_matching_candidates = m_completions.candidates; - else - { - m_matching_candidates.clear(); - for (auto& candidate : m_completions.candidates) - { - if (candidate.substr(0, prefix.length()) == prefix) - m_matching_candidates.push_back(candidate); - } - } - if (not m_matching_candidates.empty()) - { - m_current_candidate = m_matching_candidates.size(); - m_completions.end = cursor; - menu_show(); - m_matching_candidates.push_back(prefix); - return; - } - } - } - reset(); - setup_ifn(); - } - - void reset() - { - m_completions = InsertCompletion{}; - if (m_context.has_ui()) - m_context.ui().menu_hide(); - } - - template - bool try_complete(CompleteFunc complete_func) - { - auto& buffer = m_context.buffer(); - BufferCoord cursor_pos = m_context.selections().main().cursor(); - try - { - m_completions = complete_func(buffer, cursor_pos); - } - catch (runtime_error& e) - { - write_debug("error while trying to run completer: "_str + e.what()); - return false; - } - if (not m_completions.is_valid()) - return false; - - kak_assert(cursor_pos >= m_completions.begin); - m_matching_candidates = m_completions.candidates; - m_current_candidate = m_matching_candidates.size(); - menu_show(); - m_matching_candidates.push_back(buffer.string(m_completions.begin, m_completions.end)); - return true; - } - using StringList = std::vector; - - static WordDB& get_word_db(const Buffer& buffer) - { - static const ValueId word_db_id = ValueId::get_free_id(); - Value& cache_val = buffer.values()[word_db_id]; - if (not cache_val) - cache_val = Value(WordDB{buffer}); - return cache_val.as(); - } - - template - InsertCompletion complete_word(const Buffer& buffer, BufferCoord cursor_pos) - { - auto pos = buffer.iterator_at(cursor_pos); - if (pos == buffer.begin() or not is_word(*utf8::previous(pos))) - return {}; - - auto end = buffer.iterator_at(cursor_pos); - auto begin = end-1; - while (begin != buffer.begin() and is_word(*begin)) - --begin; - if (not is_word(*begin)) - ++begin; - - String prefix{begin, end}; - - while (end != buffer.end() and is_word(*end)) - ++end; - - String current_word{begin, end}; - - auto& word_db = get_word_db(buffer); - std::unordered_set matches; - auto bufmatches = word_db.find_prefix(prefix); - matches.insert(bufmatches.begin(), bufmatches.end()); - - if (word_db.get_word_occurences(current_word) <= 1) - matches.erase(current_word); - - if (other_buffers) - { - for (const auto& buf : BufferManager::instance()) - { - if (buf.get() == &buffer) - continue; - bufmatches = get_word_db(*buf).find_prefix(prefix); - matches.insert(bufmatches.begin(), bufmatches.end()); - } - } - matches.erase(prefix); - CandidateList result; - std::copy(matches.begin(), matches.end(), - inserter(result, result.begin())); - std::sort(result.begin(), result.end()); - return { begin.coord(), end.coord(), std::move(result), buffer.timestamp() }; - } - - template - InsertCompletion complete_filename(const Buffer& buffer, BufferCoord cursor_pos) - { - auto pos = buffer.iterator_at(cursor_pos); - auto begin = pos; - - auto is_filename = [](char c) - { - return isalnum(c) or c == '/' or c == '.' or c == '_' or c == '-'; - }; - while (begin != buffer.begin() and is_filename(*(begin-1))) - --begin; - - if (begin == pos) - return {}; - - String prefix{begin, pos}; - if (require_slash and not contains(prefix, '/')) - return {}; - - StringList res; - if (prefix.front() == '/') - res = Kakoune::complete_filename(prefix, Regex{}); - else - { - for (auto dir : options()["path"].get()) - { - if (not dir.empty() and dir.back() != '/') - dir += '/'; - for (auto& filename : Kakoune::complete_filename(dir + prefix, Regex{})) - res.push_back(filename.substr(dir.length())); - } - } - if (res.empty()) - return {}; - return { begin.coord(), pos.coord(), std::move(res), buffer.timestamp() }; - } - - InsertCompletion complete_option(const Buffer& buffer, BufferCoord cursor_pos, const String& option_name) - { - const StringList& opt = options()[option_name].get();; - if (opt.empty()) - return {}; - - auto& desc = opt[0]; - static const Regex re(R"((\d+)\.(\d+)(?:\+(\d+))?@(\d+))"); - boost::smatch match; - if (boost::regex_match(desc.begin(), desc.end(), match, re)) - { - BufferCoord coord{ str_to_int(match[1].str()) - 1, str_to_int(match[2].str()) - 1 }; - if (not buffer.is_valid(coord)) - return {}; - auto end = coord; - if (match[3].matched) - { - ByteCount len = str_to_int(match[3].str()); - end = buffer.advance(coord, len); - } - size_t timestamp = (size_t)str_to_int(match[4].str()); - - ByteCount longest_completion = 0; - for (auto it = opt.begin() + 1; it != opt.end(); ++it) - longest_completion = std::max(longest_completion, it->length()); - - if (timestamp == buffer.timestamp() and - cursor_pos.line == coord.line and cursor_pos.column >= coord.column and - buffer.distance(coord, cursor_pos) < longest_completion) - return { coord, end, { opt.begin() + 1, opt.end() }, timestamp }; - } - return {}; - } - - InsertCompletion complete_line(const Buffer& buffer, BufferCoord cursor_pos) - { - String prefix = buffer[cursor_pos.line].substr(0_byte, cursor_pos.column); - StringList res; - for (LineCount l = 0_line; l < buffer.line_count(); ++l) - { - if (l == cursor_pos.line) - continue; - ByteCount len = buffer[l].length(); - if (len > cursor_pos.column and std::equal(prefix.begin(), prefix.end(), buffer[l].begin())) - res.push_back(buffer[l].substr(0_byte, len-1)); - } - if (res.empty()) - return {}; - std::sort(res.begin(), res.end()); - res.erase(std::unique(res.begin(), res.end()), res.end()); - return { cursor_pos.line, cursor_pos, std::move(res), buffer.timestamp() }; - } - -private: - void on_option_changed(const Option& opt) override - { - auto& completers = options()["completers"].get(); - StringList option_names; - for (auto& completer : completers) - { - if (completer.substr(0_byte, 7_byte) == "option=") - option_names.emplace_back(completer.substr(7_byte)); - } - if (contains(option_names, opt.name())) - { - reset(); - setup_ifn(); - } - } - - void menu_show() - { - if (not m_context.has_ui()) - return; - DisplayCoord menu_pos = m_context.window().display_position(m_completions.begin); - - const CharCount tabstop = m_context.options()["tabstop"].get(); - const CharCount column = get_column(m_context.buffer(), tabstop, - m_completions.begin); - std::vector menu_entries; - for (auto& candidate : m_matching_candidates) - menu_entries.push_back(expand_tabs(candidate, tabstop, column)); - - m_context.ui().menu_show(menu_entries, menu_pos, - get_color("MenuForeground"), - get_color("MenuBackground"), - MenuStyle::Inline); - m_context.ui().menu_select(m_current_candidate); - } - - bool setup_ifn() - { - using namespace std::placeholders; - if (not m_completions.is_valid()) - { - auto& completers = options()["completers"].get(); - for (auto& completer : completers) - { - if (completer == "filename" and - try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) - { return complete_filename(buffer, cursor_pos); })) - return true; - if (completer.substr(0_byte, 7_byte) == "option=" and - try_complete([&, this](const Buffer& buffer, BufferCoord cursor_pos) - { return complete_option(buffer, cursor_pos, completer.substr(7_byte)); })) - return true; - if (completer == "word=buffer" and - try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) - { return complete_word(buffer, cursor_pos); })) - return true; - if (completer == "word=all" and - try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) - { return complete_word(buffer, cursor_pos); })) - return true; - } - return false; - } - return true; - } - - const Context& m_context; - InsertCompletion m_completions; - CandidateList m_matching_candidates; - int m_current_candidate = -1; -}; - class Insert : public InputMode { public: @@ -1003,14 +648,11 @@ public: if (m_mode == Mode::Complete) { if (key.key == 'f') - m_completer.try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) - { return m_completer.complete_filename(buffer, cursor_pos); }); + m_completer.explicit_file_complete(); if (key.key == 'w') - m_completer.try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) - { return m_completer.complete_word(buffer, cursor_pos); }); + m_completer.explicit_word_complete(); if (key.key == 'l') - m_completer.try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) - { return m_completer.complete_line(buffer, cursor_pos); }); + m_completer.explicit_line_complete(); m_mode = Mode::Default; return; } diff --git a/src/insert_completer.cc b/src/insert_completer.cc new file mode 100644 index 00000000..2cf687bc --- /dev/null +++ b/src/insert_completer.cc @@ -0,0 +1,384 @@ +#include "insert_completer.hh" + +#include "buffer_manager.hh" +#include "buffer_utils.hh" +#include "color_registry.hh" +#include "context.hh" +#include "debug.hh" +#include "display_buffer.hh" +#include "file.hh" +#include "user_interface.hh" +#include "window.hh" +#include "word_db.hh" + +namespace Kakoune +{ + +using StringList = std::vector; + +namespace +{ + +WordDB& get_word_db(const Buffer& buffer) +{ + static const ValueId word_db_id = ValueId::get_free_id(); + Value& cache_val = buffer.values()[word_db_id]; + if (not cache_val) + cache_val = Value(WordDB{buffer}); + return cache_val.as(); +} + +template +InsertCompletion complete_word(const Buffer& buffer, BufferCoord cursor_pos) +{ + auto pos = buffer.iterator_at(cursor_pos); + if (pos == buffer.begin() or not is_word(*utf8::previous(pos))) + return {}; + + auto end = buffer.iterator_at(cursor_pos); + auto begin = end-1; + while (begin != buffer.begin() and is_word(*begin)) + --begin; + if (not is_word(*begin)) + ++begin; + + String prefix{begin, end}; + + while (end != buffer.end() and is_word(*end)) + ++end; + + String current_word{begin, end}; + + auto& word_db = get_word_db(buffer); + std::unordered_set matches; + auto bufmatches = word_db.find_prefix(prefix); + matches.insert(bufmatches.begin(), bufmatches.end()); + + if (word_db.get_word_occurences(current_word) <= 1) + matches.erase(current_word); + + if (other_buffers) + { + for (const auto& buf : BufferManager::instance()) + { + if (buf.get() == &buffer) + continue; + bufmatches = get_word_db(*buf).find_prefix(prefix); + matches.insert(bufmatches.begin(), bufmatches.end()); + } + } + matches.erase(prefix); + CandidateList result; + std::copy(matches.begin(), matches.end(), + inserter(result, result.begin())); + std::sort(result.begin(), result.end()); + return { begin.coord(), end.coord(), std::move(result), buffer.timestamp() }; +} + +template +InsertCompletion complete_filename(const Buffer& buffer, BufferCoord cursor_pos, + OptionManager& options) +{ + auto pos = buffer.iterator_at(cursor_pos); + auto begin = pos; + + auto is_filename = [](char c) + { + return isalnum(c) or c == '/' or c == '.' or c == '_' or c == '-'; + }; + while (begin != buffer.begin() and is_filename(*(begin-1))) + --begin; + + if (begin == pos) + return {}; + + String prefix{begin, pos}; + if (require_slash and not contains(prefix, '/')) + return {}; + + StringList res; + if (prefix.front() == '/') + res = Kakoune::complete_filename(prefix, Regex{}); + else + { + for (auto dir : options["path"].get()) + { + if (not dir.empty() and dir.back() != '/') + dir += '/'; + for (auto& filename : Kakoune::complete_filename(dir + prefix, Regex{})) + res.push_back(filename.substr(dir.length())); + } + } + if (res.empty()) + return {}; + return { begin.coord(), pos.coord(), std::move(res), buffer.timestamp() }; +} + +InsertCompletion complete_option(const Buffer& buffer, BufferCoord cursor_pos, + OptionManager& options, const String& option_name) +{ + const StringList& opt = options[option_name].get();; + if (opt.empty()) + return {}; + + auto& desc = opt[0]; + static const Regex re(R"((\d+)\.(\d+)(?:\+(\d+))?@(\d+))"); + boost::smatch match; + if (boost::regex_match(desc.begin(), desc.end(), match, re)) + { + BufferCoord coord{ str_to_int(match[1].str()) - 1, str_to_int(match[2].str()) - 1 }; + if (not buffer.is_valid(coord)) + return {}; + auto end = coord; + if (match[3].matched) + { + ByteCount len = str_to_int(match[3].str()); + end = buffer.advance(coord, len); + } + size_t timestamp = (size_t)str_to_int(match[4].str()); + + ByteCount longest_completion = 0; + for (auto it = opt.begin() + 1; it != opt.end(); ++it) + longest_completion = std::max(longest_completion, it->length()); + + if (timestamp == buffer.timestamp() and + cursor_pos.line == coord.line and cursor_pos.column >= coord.column and + buffer.distance(coord, cursor_pos) < longest_completion) + return { coord, end, { opt.begin() + 1, opt.end() }, timestamp }; + } + return {}; +} + +InsertCompletion complete_line(const Buffer& buffer, BufferCoord cursor_pos) +{ + String prefix = buffer[cursor_pos.line].substr(0_byte, cursor_pos.column); + StringList res; + for (LineCount l = 0_line; l < buffer.line_count(); ++l) + { + if (l == cursor_pos.line) + continue; + ByteCount len = buffer[l].length(); + if (len > cursor_pos.column and std::equal(prefix.begin(), prefix.end(), buffer[l].begin())) + res.push_back(buffer[l].substr(0_byte, len-1)); + } + if (res.empty()) + return {}; + std::sort(res.begin(), res.end()); + res.erase(std::unique(res.begin(), res.end()), res.end()); + return { cursor_pos.line, cursor_pos, std::move(res), buffer.timestamp() }; +} + +} + +InsertCompleter::InsertCompleter(const Context& context) + : OptionManagerWatcher_AutoRegister(context.options()), + m_context(context) +{} + +void InsertCompleter::select(int offset) +{ + if (not setup_ifn()) + return; + + auto& buffer = m_context.buffer(); + m_current_candidate = (m_current_candidate + offset) % (int)m_matching_candidates.size(); + if (m_current_candidate < 0) + m_current_candidate += m_matching_candidates.size(); + const String& candidate = m_matching_candidates[m_current_candidate]; + const auto& cursor_pos = m_context.selections().main().cursor(); + const auto prefix_len = buffer.distance(m_completions.begin, cursor_pos); + const auto suffix_len = std::max(0_byte, buffer.distance(cursor_pos, m_completions.end)); + const auto buffer_len = buffer.byte_count(); + + auto ref = buffer.string(m_completions.begin, m_completions.end); + for (auto& sel : m_context.selections()) + { + auto offset = buffer.offset(sel.cursor()); + auto pos = buffer.iterator_at(sel.cursor()); + if (offset >= prefix_len and offset + suffix_len < buffer_len and + std::equal(ref.begin(), ref.end(), pos - prefix_len)) + { + pos = buffer.erase(pos - prefix_len, pos + suffix_len); + buffer.insert(pos, candidate); + } + } + m_completions.end = cursor_pos; + m_completions.begin = buffer.advance(m_completions.end, -candidate.length()); + m_completions.timestamp = buffer.timestamp(); + if (m_context.has_ui()) + m_context.ui().menu_select(m_current_candidate); + + // when we select a match, remove non displayed matches from the candidates + // which are considered as invalid with the new completion timestamp + m_completions.candidates.clear(); + std::copy(m_matching_candidates.begin(), m_matching_candidates.end()-1, + std::back_inserter(m_completions.candidates)); +} + +void InsertCompleter::update() +{ + if (m_completions.is_valid()) + { + ByteCount longest_completion = 0; + for (auto& candidate : m_completions.candidates) + longest_completion = std::max(longest_completion, candidate.length()); + + BufferCoord cursor = m_context.selections().main().cursor(); + BufferCoord compl_beg = m_completions.begin; + if (cursor.line == compl_beg.line and + is_in_range(cursor.column - compl_beg.column, + ByteCount{0}, longest_completion-1)) + { + String prefix = m_context.buffer().string(compl_beg, cursor); + + if (m_context.buffer().timestamp() == m_completions.timestamp) + m_matching_candidates = m_completions.candidates; + else + { + m_matching_candidates.clear(); + for (auto& candidate : m_completions.candidates) + { + if (candidate.substr(0, prefix.length()) == prefix) + m_matching_candidates.push_back(candidate); + } + } + if (not m_matching_candidates.empty()) + { + m_current_candidate = m_matching_candidates.size(); + m_completions.end = cursor; + menu_show(); + m_matching_candidates.push_back(prefix); + return; + } + } + } + reset(); + setup_ifn(); +} + +void InsertCompleter::reset() +{ + m_completions = InsertCompletion{}; + if (m_context.has_ui()) + m_context.ui().menu_hide(); +} + +bool InsertCompleter::setup_ifn() +{ + using namespace std::placeholders; + if (not m_completions.is_valid()) + { + auto& completers = options()["completers"].get(); + for (auto& completer : completers) + { + if (completer == "filename" and + try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) { + return complete_filename(buffer, cursor_pos, + options()); + })) + return true; + if (completer.substr(0_byte, 7_byte) == "option=" and + try_complete([&,this](const Buffer& buffer, BufferCoord cursor_pos) { + return complete_option(buffer, cursor_pos, + options(), completer.substr(7_byte)); + })) + return true; + if (completer == "word=buffer" and + try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) { + return complete_word(buffer, cursor_pos); + })) + return true; + if (completer == "word=all" and + try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) { + return complete_word(buffer, cursor_pos); + })) + return true; + } + return false; + } + return true; +} + +void InsertCompleter::menu_show() +{ + if (not m_context.has_ui()) + return; + DisplayCoord menu_pos = m_context.window().display_position(m_completions.begin); + + const CharCount tabstop = m_context.options()["tabstop"].get(); + const CharCount column = get_column(m_context.buffer(), tabstop, + m_completions.begin); + std::vector menu_entries; + for (auto& candidate : m_matching_candidates) + menu_entries.push_back(expand_tabs(candidate, tabstop, column)); + + m_context.ui().menu_show(menu_entries, menu_pos, + get_color("MenuForeground"), + get_color("MenuBackground"), + MenuStyle::Inline); + m_context.ui().menu_select(m_current_candidate); +} + +void InsertCompleter::on_option_changed(const Option& opt) +{ + auto& completers = options()["completers"].get(); + StringList option_names; + for (auto& completer : completers) + { + if (completer.substr(0_byte, 7_byte) == "option=") + option_names.emplace_back(completer.substr(7_byte)); + } + if (contains(option_names, opt.name())) + { + reset(); + setup_ifn(); + } +} + +template +bool InsertCompleter::try_complete(CompleteFunc complete_func) +{ + auto& buffer = m_context.buffer(); + BufferCoord cursor_pos = m_context.selections().main().cursor(); + try + { + m_completions = complete_func(buffer, cursor_pos); + } + catch (runtime_error& e) + { + write_debug("error while trying to run completer: "_str + e.what()); + return false; + } + if (not m_completions.is_valid()) + return false; + + kak_assert(cursor_pos >= m_completions.begin); + m_matching_candidates = m_completions.candidates; + m_current_candidate = m_matching_candidates.size(); + menu_show(); + m_matching_candidates.push_back(buffer.string(m_completions.begin, m_completions.end)); + return true; +} + +void InsertCompleter::explicit_file_complete() +{ + try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) { + return complete_filename(buffer, cursor_pos, options()); + }); +} + +void InsertCompleter::explicit_word_complete() +{ + try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) { + return complete_word(buffer, cursor_pos); + }); +} + +void InsertCompleter::explicit_line_complete() +{ + try_complete([this](const Buffer& buffer, BufferCoord cursor_pos) { + return complete_line(buffer, cursor_pos); + }); +} + +} diff --git a/src/insert_completer.hh b/src/insert_completer.hh new file mode 100644 index 00000000..d05f8c96 --- /dev/null +++ b/src/insert_completer.hh @@ -0,0 +1,53 @@ +#ifndef insert_completer_hh_INCLUDED +#define insert_completer_hh_INCLUDED + +#include "buffer.hh" +#include "option_manager.hh" + +namespace Kakoune +{ + +struct InsertCompletion +{ + BufferCoord begin; + BufferCoord end; + CandidateList candidates; + size_t timestamp; + + bool is_valid() const { return not candidates.empty(); } +}; + +class InsertCompleter : public OptionManagerWatcher_AutoRegister +{ +public: + InsertCompleter(const Context& context); + InsertCompleter(const InsertCompleter&) = delete; + InsertCompleter& operator=(const InsertCompleter&) = delete; + + void select(int offset); + void update(); + void reset(); + + void explicit_file_complete(); + void explicit_word_complete(); + void explicit_line_complete(); + +private: + bool setup_ifn(); + + template + bool try_complete(CompleteFunc complete_func); + void on_option_changed(const Option& opt) override; + + void menu_show(); + + const Context& m_context; + InsertCompletion m_completions; + CandidateList m_matching_candidates; + int m_current_candidate = -1; +}; + +} + +#endif // insert_completer_hh_INCLUDED +