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/*
* Copyright (c) 2010 Kevin Smith
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <SwifTools/TabComplete.h>
#include <algorithm>
#include <boost/algorithm/string.hpp>
#include <Swiften/Base/foreach.h>
namespace Swift {
void TabComplete::addWord(const std::string& word) {
words_.erase(std::remove(words_.begin(), words_.end(), word), words_.end());
words_.insert(words_.begin(), word);
if (boost::starts_with(boost::to_lower_copy(word), lastShort_)) {
lastCompletionCandidates_.insert(lastCompletionCandidates_.begin(), word);
}
}
void TabComplete::removeWord(const std::string& word) {
words_.erase(std::remove(words_.begin(), words_.end(), word), words_.end());
lastCompletionCandidates_.erase(std::remove(lastCompletionCandidates_.begin(), lastCompletionCandidates_.end(), word), lastCompletionCandidates_.end());
}
std::string TabComplete::completeWord(const std::string& word) {
if (word == lastCompletion_) {
if (!lastCompletionCandidates_.empty()) {
size_t match = 0;
for (match = 0; match < lastCompletionCandidates_.size(); match++) {
if (lastCompletionCandidates_[match] == lastCompletion_) {
break;
}
}
size_t nextIndex = match + 1;
nextIndex = nextIndex >= lastCompletionCandidates_.size() ? 0 : nextIndex;
lastCompletion_ = lastCompletionCandidates_[nextIndex];
}
} else {
lastShort_ = boost::to_lower_copy(word);
lastCompletionCandidates_.clear();
foreach (std::string candidate, words_) {
if (boost::starts_with(boost::to_lower_copy(candidate), boost::to_lower_copy(word))) {
lastCompletionCandidates_.push_back(candidate);
}
}
lastCompletion_ = !lastCompletionCandidates_.empty() ? lastCompletionCandidates_[0] : word;
}
return lastCompletion_;
}
}
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