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https://github.com/textmate/textmate.git
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86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
#include "meta_data.h"
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#include <bundles/bundles.h>
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#include <oak/oak.h>
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#include <text/ctype.h>
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#include <oak/duration.h>
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#include <ns/spellcheck.h>
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#include <oak/debug.h>
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OAK_DEBUG_VAR(Buffer_Spelling);
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namespace ng
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{
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bool spelling_t::misspelled_at (size_t i) const
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{
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tree_t::iterator it = _misspellings.upper_bound(i);
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return it != _misspellings.begin() ? (--it)->second : false;
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}
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void spelling_t::did_parse (buffer_t const* buffer, size_t from, size_t to)
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{
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auto first = buffer->_scopes.lower_bound(from);
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auto last = buffer->_scopes.upper_bound(to);
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if(first != buffer->_scopes.begin() && from < first->first)
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--from;
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std::set<scope::scope_t> enabled, disabled;
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foreach(pair, first, last)
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{
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if(enabled.find(pair->second) != enabled.end() || disabled.find(pair->second) != disabled.end())
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continue;
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bundles::item_ptr spellCheckingItem;
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plist::any_t const& spellCheckingValue = bundles::value_for_setting("spellChecking", pair->second, &spellCheckingItem);
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if(spellCheckingItem && !plist::is_true(spellCheckingValue))
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disabled.insert(pair->second);
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else enabled.insert(pair->second);
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}
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std::vector< std::pair<size_t, size_t> > ranges;
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while(first != last)
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{
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scope::scope_t scope = first->second;
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size_t i = std::max<ssize_t>(from, first->first);
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size_t j = ++first == last ? to : first->first;
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if(enabled.find(scope) != enabled.end())
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{
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if(ranges.empty() || ranges.back().second != i)
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ranges.push_back(std::make_pair(i, j));
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else ranges.back().second = j;
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}
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}
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// TODO We should delay checking to the misspellings function. This way we won’t spell check entire document on load etc.
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_misspellings.remove(_misspellings.lower_bound(from), _misspellings.upper_bound(to));
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iterate(r, ranges)
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{
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std::string const& text = buffer->substr(r->first, r->second);
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D(DBF_Buffer_Spelling, bug("check: ‘%s’ (%s)\n", text.c_str(), buffer->spelling_language().c_str()););
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citerate(range, ns::spellcheck(text.data(), text.data() + text.size(), buffer->spelling_language(), buffer->spelling_tag()))
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{
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_misspellings.set(r->first + range->first, true);
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_misspellings.set(r->first + range->last, false);
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D(DBF_Buffer_Spelling, bug("bad: ‘%s’\n", text.substr(range->first, range->last - range->first).c_str()););
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}
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}
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}
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void spelling_t::replace (buffer_t* buffer, size_t from, size_t to, std::string const& str)
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{
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// TODO We need to keep a list of dirty ranges to minimize work done in did_parse — these ranges should be extended to “surrounding words”, e.g. if user inserts space into “sho‸rtcut” we need to re-check “sho” even though it is not included in the changed range.
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_misspellings.replace(from, to, str.size());
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}
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std::map<size_t, bool> spelling_t::misspellings (buffer_t const* buffer, size_t from, size_t to) const
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{
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ASSERT_LE(from, to);
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std::map<size_t, bool> res;
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foreach(it, _misspellings.lower_bound(from), _misspellings.lower_bound(to))
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res[it->first < from ? 0 : it->first - from] = it->second;
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if(!res.empty() && res.begin()->second == false)
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res[0] = true;
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return res;
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}
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} /* ng */
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