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// This file is part of The New Aspell
// Copyright (C) 2002,2011 by Kevin Atkinson under the GNU LGPL license
// version 2.0 or 2.1. You should have received a copy of the LGPL
// license along with this library if you did not you can find
// it at http://www.gnu.org/.
#include <assert.h>
#include "checker_string.hpp"
#include "speller.hpp"
#include "document_checker.hpp"
#include "asc_ctype.hpp"
#include "convert.hpp"
extern Conv dconv;
extern Conv uiconv;
static int get_line(FILE * in, CheckerString::Line & d)
{
d.clear();
int i;
while ((i = getc(in)), i != EOF)
{
d.real.push_back(static_cast<char>(i));
if (i == '\n') break;
}
if (dconv.conv) {
dconv.conv->convert(d.real.str(), d.real.size(), d.buf, dconv.buf0);
d.disp.str = d.buf.str();
d.disp.size = d.buf.size();
} else {
d.disp.str = d.real.str();
d.disp.size = d.real.size();
}
return d.real.size();
}
CheckerString::CheckerString(AspellSpeller * speller,
FILE * in, FILE * out,
int num_lines)
: in_(in), out_(out), speller_(speller)
{
lines_.reserve(num_lines + 1);
for (; num_lines > 0; --num_lines)
{
lines_.resize(lines_.size() + 1);
int s = get_line(in_, lines_.back());
if (s == 0) break;
}
if (lines_.back().real.size() != 0)
lines_.resize(lines_.size() + 1);
end_ = lines_.end() - 1;
cur_line_ = lines_.begin();
diff_ = 0;
has_repl_ = false;
checker_.reset(new_document_checker(reinterpret_cast<Speller *>(speller)));
checker_->process(cur_line_->real.data(), cur_line_->real.size());
}
void CheckerString::abort() {
fclose(in_);
in_ = 0;
if (out_) {
fclose(out_);
out_ = 0;
}
}
CheckerString::~CheckerString()
{
if (!in_ && !out_)
return;
if (out_)
for (cur_line_ = first_line(); !off_end(cur_line_); next_line(cur_line_))
{
fwrite(cur_line_->real.data(), cur_line_->real.size(), 1, out_);
cur_line_->clear();
}
if (in_ != stdin)
fclose(in_);
if (out_ && out_ != stdout && out_ != stdout)
fclose(out_);
}
bool CheckerString::read_next_line()
{
if (feof(in_)) return false;
Lines::iterator next = end_;
inc(next);
if (next == cur_line_) return false;
int s = get_line(in_, *end_);
if (s == 0) return false;
end_ = next;
if (out_ && end_->real.size() > 0)
fwrite(end_->real.data(), end_->real.size(), 1, out_);
end_->clear();
return true;
}
bool CheckerString::next_misspelling()
{
if (off_end(cur_line_)) return false;
if (has_repl_) {
has_repl_ = false;
CharVector word;
bool correct = false;
// FIXME: This is a hack to avoid trying to check a word with a space
// in it. The correct action is to reparse to string and
// check each word individually. However doing so involves
// an API enhancement in Checker.
for (int i = 0; i != real_word_size_; ++i) {
if (asc_isspace(*(real_word_begin_ + i)))
correct = true;
}
if (!correct)
correct = aspell_speller_check(speller_, &*real_word_begin_, real_word_size_);
diff_ += real_word_size_ - tok_.len;
tok_.len = real_word_size_;
if (!correct)
return true;
}
while ((tok_ = checker_->next_misspelling()).len == 0) {
next_line(cur_line_);
diff_ = 0;
if (off_end(cur_line_)) return false;
checker_->process(cur_line_->real.data(), cur_line_->real.size());
}
real_word_begin_ = cur_line_->real.begin() + tok_.offset + diff_;
real_word_size_ = tok_.len;
fix_display_str();
return true;
}
void CheckerString::replace(ParmString repl)
{
assert(real_word_size_ > 0);
int offset = real_word_begin_ - cur_line_->real.begin();
aspell_speller_store_replacement(speller_, &*real_word_begin_, real_word_size_,
repl.str(), repl.size());
cur_line_->real.replace(real_word_begin_, real_word_begin_ + real_word_size_,
repl.str(), repl.str() + repl.size());
real_word_begin_ = cur_line_->real.begin() + offset;
real_word_size_ = repl.size();
fix_display_str();
has_repl_ = true;
}
void CheckerString::fix_display_str()
{
if (dconv.conv) {
cur_line_->buf.clear();
int s = real_word_begin_ - cur_line_->real.begin();
if (s > 0) dconv.conv->convert(cur_line_->real.data(), s,
cur_line_->buf, dconv.buf0);
int off = cur_line_->buf.size();
dconv.conv->convert(real_word_begin_, real_word_size_,
cur_line_->buf, dconv.buf0);
disp_word_size_ = cur_line_->buf.size() - off;
s = cur_line_->real.end() - (real_word_begin_ + real_word_size_);
if (s > 0) dconv.conv->convert(cur_line_->real.data() + (cur_line_->real.size() - s),
s, cur_line_->buf, dconv.buf0);
cur_line_->disp.str = cur_line_->buf.str();
cur_line_->disp.size = cur_line_->buf.size();
disp_word_begin_ = cur_line_->buf.data() + off;
} else {
cur_line_->disp.str = cur_line_->real.str();
cur_line_->disp.size = cur_line_->real.size();
disp_word_size_ = real_word_size_;
disp_word_begin_ = real_word_begin_;
}
}
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