Files
textmate/Frameworks/editor/src/write.cc
2016-08-21 12:09:30 +02:00

76 lines
2.9 KiB
C++

#include "write.h"
#include <text/utf8.h>
#include <text/ctype.h>
namespace ng
{
static size_t count_columns (buffer_api_t const& buffer, index_t caret, size_t tabSize)
{
std::string const str = buffer.substr(buffer.begin(buffer.convert(caret.index).line), caret.index);
size_t len = 0;
citerate(ch, diacritics::make_range(str.data(), str.data() + str.size()))
len += *ch == '\t' ? tabSize - (len % tabSize) : (text::is_east_asian_width(*ch) ? 2 : 1);
return len + caret.carry;
}
ng::ranges_t write_unit_to_fd (buffer_api_t const& buffer, ranges_t const& ranges, size_t tabSize, int fd, input::type unit, input::type fallbackUnit, input_format::type format, scope::selector_t const& scopeSelector, std::map<std::string, std::string>& variables, bool* inputWasSelection) // TODO Move write_unit_to_fd to command framework.
{
bool noSelection = true;
for(auto const& range : ranges)
noSelection = noSelection && range.empty();
input::type actualUnit = unit == input::selection && noSelection && (ranges.size() == 1 || fallbackUnit != input::entire_document) ? fallbackUnit : unit;
*inputWasSelection = actualUnit == input::selection;
ng::ranges_t res;
for(auto range : ranges)
{
switch(actualUnit)
{
case input::character: range = extend_if_empty(buffer, range, kSelectionExtendRight).last(); break;
case input::word: range = word_at(buffer, range); break;
case input::line: range = extend_if_empty(buffer, range, kSelectionExtendToLineExclLF).last(); break;
case input::scope: range = select_scope(buffer, range, scopeSelector).last(); break;
case input::entire_document: range = extend(buffer, range, kSelectionExtendToAll).last(); break;
};
res.push_back(range);
}
if(res.size() != 1)
res = sanitize(buffer, res);
if(res.size() != 1 || !res.last().empty())
{
std::string str = "";
bool first = true;
for(auto const& range : dissect_columnar(buffer, res))
{
if(!std::exchange(first, false))
str += "\n";
str += format == input_format::xml ? buffer.xml_substr(range.min().index, range.max().index) : buffer.substr(range.min().index, range.max().index);
}
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
if(write(fd, str.data(), str.size()) == -1)
perror("ng::write_unit_to_fd: write");
close(fd);
});
}
else
{
close(fd);
}
if(res.size() == 1 && !res.last().empty() && actualUnit != input::entire_document)
{
text::pos_t const& pos = buffer.convert(res.last().min().index);
variables.emplace("TM_INPUT_START_LINE", std::to_string(pos.line + 1));
variables.emplace("TM_INPUT_START_LINE_INDEX", std::to_string(pos.column));
variables.emplace("TM_INPUT_START_COLUMN", std::to_string(count_columns(buffer, res.last().min(), tabSize) + 1));
}
return res;
}
} /* ng */