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Fix prefix completion in prompt

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This commit is contained in:
Maxime Coste 2013-12-21 12:48:13 +00:00
parent c0973075fa
commit a0d4a44dd5
1 changed files with 27 additions and 13 deletions
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28
src/input_handler.cc
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@ -421,26 +421,40 @@ public:
if (candidates.empty()) if (candidates.empty())
return; return;
}
bool use_common_prefix = context().options()["complete_prefix"].get<bool>(); bool did_prefix = false;
String prefix = use_common_prefix ? common_prefix(candidates) : String(); if (m_current_completion == -1 and
context().options()["complete_prefix"].get<bool>())
{
const String& line = m_line_editor.line();
CandidateList& candidates = m_completions.candidates;
String prefix = common_prefix(candidates);
if (m_completions.end - m_completions.start > prefix.length()) if (m_completions.end - m_completions.start > prefix.length())
prefix = line.substr(m_completions.start, prefix = line.substr(m_completions.start,
m_completions.end - m_completions.start); m_completions.end - m_completions.start);
if (not prefix.empty())
{
auto it = find(candidates, prefix); auto it = find(candidates, prefix);
if (it == candidates.end()) if (it == candidates.end())
{ {
m_current_completion = use_common_prefix ? candidates.size() : 0; m_current_completion = candidates.size();
candidates.push_back(std::move(prefix)); candidates.push_back(prefix);
} }
else else
m_current_completion = use_common_prefix ? it - candidates.begin() : 0; m_current_completion = it - candidates.begin();
CharCount start = line.char_count_to(m_completions.start);
did_prefix = prefix != line.substr(start, m_line_editor.cursor_pos() - start);
} }
else if (not reverse and ++m_current_completion >= candidates.size()) }
if (not did_prefix)
{
if (not reverse and ++m_current_completion >= candidates.size())
m_current_completion = 0; m_current_completion = 0;
else if (reverse and --m_current_completion < 0) else if (reverse and --m_current_completion < 0)
m_current_completion = candidates.size()-1; m_current_completion = candidates.size()-1;
}
const String& completion = candidates[m_current_completion]; const String& completion = candidates[m_current_completion];
if (context().has_ui()) if (context().has_ui())