mirror of
https://git.lyx.org/repos/lyx.git
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1536 lines
47 KiB
C++
1536 lines
47 KiB
C++
/**
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* \file lyxfind.cpp
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* This file is part of LyX, the document processor.
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* License details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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* \author John Levon
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* \author Jürgen Vigna
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* \author Alfredo Braunstein
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* \author Tommaso Cucinotta
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "lyxfind.h"
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#include "Buffer.h"
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#include "buffer_funcs.h"
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#include "BufferList.h"
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#include "BufferParams.h"
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#include "BufferView.h"
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#include "Changes.h"
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#include "Cursor.h"
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#include "CutAndPaste.h"
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#include "FuncRequest.h"
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#include "LyX.h"
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#include "output_latex.h"
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#include "OutputParams.h"
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#include "Paragraph.h"
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#include "ParIterator.h"
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#include "TexRow.h"
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#include "Text.h"
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#include "frontends/Application.h"
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#include "frontends/alert.h"
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#include "mathed/InsetMath.h"
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#include "mathed/InsetMathGrid.h"
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#include "mathed/InsetMathHull.h"
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#include "mathed/MathStream.h"
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#include "mathed/MathSupport.h"
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#include "support/convert.h"
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#include "support/debug.h"
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#include "support/docstream.h"
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#include "support/FileName.h"
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#include "support/gettext.h"
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#include "support/lassert.h"
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#include "support/lstrings.h"
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#include "support/regex.h"
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using namespace std;
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using namespace lyx::support;
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namespace lyx {
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namespace {
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bool parse_bool(docstring & howto)
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{
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if (howto.empty())
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return false;
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docstring var;
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howto = split(howto, var, ' ');
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return var == "1";
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}
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class MatchString : public binary_function<Paragraph, pos_type, int>
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{
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public:
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MatchString(docstring const & str, bool cs, bool mw)
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: str(str), case_sens(cs), whole_words(mw)
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{}
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// returns true if the specified string is at the specified position
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// del specifies whether deleted strings in ct mode will be considered
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int operator()(Paragraph const & par, pos_type pos, bool del = true) const
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{
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return par.find(str, case_sens, whole_words, pos, del);
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}
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private:
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// search string
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docstring str;
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// case sensitive
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bool case_sens;
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// match whole words only
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bool whole_words;
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};
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int findForward(DocIterator & cur, MatchString const & match,
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bool find_del = true)
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{
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for (; cur; cur.forwardChar())
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if (cur.inTexted()) {
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int len = match(cur.paragraph(), cur.pos(), find_del);
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if (len > 0)
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return len;
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}
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return 0;
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}
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int findBackwards(DocIterator & cur, MatchString const & match,
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bool find_del = true)
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{
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while (cur) {
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cur.backwardChar();
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if (cur.inTexted()) {
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int len = match(cur.paragraph(), cur.pos(), find_del);
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if (len > 0)
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return len;
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}
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}
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return 0;
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}
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bool searchAllowed(docstring const & str)
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{
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if (str.empty()) {
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frontend::Alert::error(_("Search error"), _("Search string is empty"));
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return false;
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}
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return true;
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}
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bool findOne(BufferView * bv, docstring const & searchstr,
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bool case_sens, bool whole, bool forward, bool find_del = true)
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{
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if (!searchAllowed(searchstr))
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return false;
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DocIterator cur = forward
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? bv->cursor().selectionEnd()
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: bv->cursor().selectionBegin();
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MatchString const match(searchstr, case_sens, whole);
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int match_len = forward
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? findForward(cur, match, find_del)
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: findBackwards(cur, match, find_del);
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if (match_len > 0)
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bv->putSelectionAt(cur, match_len, !forward);
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return match_len > 0;
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}
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int replaceAll(BufferView * bv,
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docstring const & searchstr, docstring const & replacestr,
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bool case_sens, bool whole)
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{
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Buffer & buf = bv->buffer();
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if (!searchAllowed(searchstr) || buf.isReadonly())
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return 0;
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DocIterator cur_orig(bv->cursor());
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MatchString const match(searchstr, case_sens, whole);
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int num = 0;
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int const rsize = replacestr.size();
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int const ssize = searchstr.size();
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Cursor cur(*bv);
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cur.setCursor(doc_iterator_begin(&buf));
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int match_len = findForward(cur, match, false);
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while (match_len > 0) {
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// Backup current cursor position and font.
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pos_type const pos = cur.pos();
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Font const font = cur.paragraph().getFontSettings(buf.params(), pos);
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cur.recordUndo();
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int striked = ssize -
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cur.paragraph().eraseChars(pos, pos + match_len,
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buf.params().track_changes);
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cur.paragraph().insert(pos, replacestr, font,
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Change(buf.params().track_changes
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? Change::INSERTED
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: Change::UNCHANGED));
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for (int i = 0; i < rsize + striked; ++i)
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cur.forwardChar();
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++num;
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match_len = findForward(cur, match, false);
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}
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bv->putSelectionAt(doc_iterator_begin(&buf), 0, false);
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cur_orig.fixIfBroken();
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bv->setCursor(cur_orig);
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return num;
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}
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// the idea here is that we are going to replace the string that
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// is selected IF it is the search string.
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// if there is a selection, but it is not the search string, then
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// we basically ignore it. (FIXME We ought to replace only within
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// the selection.)
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// if there is no selection, then:
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// (i) if some search string has been provided, then we find it.
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// (think of how the dialog works when you hit "replace" the
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// first time.)
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// (ii) if no search string has been provided, then we treat the
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// word the cursor is in as the search string. (why? i have no
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// idea.) but this only works in text?
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//
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// returns the number of replacements made (one, if any) and
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// whether anything at all was done.
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pair<bool, int> replaceOne(BufferView * bv, docstring searchstr,
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docstring const & replacestr, bool case_sens,
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bool whole, bool forward, bool findnext)
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{
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Cursor & cur = bv->cursor();
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if (!cur.selection()) {
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// no selection, non-empty search string: find it
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if (!searchstr.empty()) {
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findOne(bv, searchstr, case_sens, whole, forward);
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return make_pair(true, 0);
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}
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// empty search string
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if (!cur.inTexted())
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// bail in math
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return make_pair(false, 0);
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// select current word and treat it as the search string.
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// This causes a minor bug as undo will restore this selection,
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// which the user did not create (#8986).
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cur.innerText()->selectWord(cur, WHOLE_WORD);
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searchstr = cur.selectionAsString(false);
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}
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// if we still don't have a search string, report the error
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// and abort.
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if (!searchAllowed(searchstr))
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return make_pair(false, 0);
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bool have_selection = cur.selection();
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docstring const selected = cur.selectionAsString(false);
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bool match =
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case_sens
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? searchstr == selected
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: compare_no_case(searchstr, selected) == 0;
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// no selection or current selection is not search word:
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// just find the search word
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if (!have_selection || !match) {
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findOne(bv, searchstr, case_sens, whole, forward);
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return make_pair(true, 0);
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}
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// we're now actually ready to replace. if the buffer is
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// read-only, we can't, though.
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if (bv->buffer().isReadonly())
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return make_pair(false, 0);
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cap::replaceSelectionWithString(cur, replacestr);
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if (forward) {
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cur.pos() += replacestr.length();
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LASSERT(cur.pos() <= cur.lastpos(),
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cur.pos() = cur.lastpos());
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}
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if (findnext)
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findOne(bv, searchstr, case_sens, whole, forward, false);
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return make_pair(true, 1);
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}
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} // namespace anon
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docstring const find2string(docstring const & search,
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bool casesensitive, bool matchword, bool forward)
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{
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odocstringstream ss;
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ss << search << '\n'
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<< int(casesensitive) << ' '
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<< int(matchword) << ' '
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<< int(forward);
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return ss.str();
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}
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docstring const replace2string(docstring const & replace,
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docstring const & search,
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bool casesensitive, bool matchword,
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bool all, bool forward, bool findnext)
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{
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odocstringstream ss;
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ss << replace << '\n'
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<< search << '\n'
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<< int(casesensitive) << ' '
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<< int(matchword) << ' '
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<< int(all) << ' '
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<< int(forward) << ' '
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<< int(findnext);
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return ss.str();
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}
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bool lyxfind(BufferView * bv, FuncRequest const & ev)
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{
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if (!bv || ev.action() != LFUN_WORD_FIND)
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return false;
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//lyxerr << "find called, cmd: " << ev << endl;
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// data is of the form
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// "<search>
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// <casesensitive> <matchword> <forward>"
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docstring search;
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docstring howto = split(ev.argument(), search, '\n');
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bool casesensitive = parse_bool(howto);
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bool matchword = parse_bool(howto);
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bool forward = parse_bool(howto);
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return findOne(bv, search, casesensitive, matchword, forward);
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}
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bool lyxreplace(BufferView * bv,
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FuncRequest const & ev, bool has_deleted)
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{
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if (!bv || ev.action() != LFUN_WORD_REPLACE)
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return false;
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// data is of the form
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// "<search>
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// <replace>
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// <casesensitive> <matchword> <all> <forward> <findnext>"
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docstring search;
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docstring rplc;
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docstring howto = split(ev.argument(), rplc, '\n');
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howto = split(howto, search, '\n');
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bool casesensitive = parse_bool(howto);
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bool matchword = parse_bool(howto);
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bool all = parse_bool(howto);
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bool forward = parse_bool(howto);
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bool findnext = howto.empty() ? true : parse_bool(howto);
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int replace_count = 0;
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bool update = false;
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if (!has_deleted) {
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if (all) {
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replace_count = replaceAll(bv, search, rplc, casesensitive, matchword);
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update = replace_count > 0;
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} else {
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pair<bool, int> rv =
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replaceOne(bv, search, rplc, casesensitive, matchword, forward, findnext);
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update = rv.first;
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replace_count = rv.second;
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}
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Buffer const & buf = bv->buffer();
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if (!update) {
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// emit message signal.
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buf.message(_("String not found."));
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} else {
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if (replace_count == 0) {
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buf.message(_("String found."));
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} else if (replace_count == 1) {
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buf.message(_("String has been replaced."));
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} else {
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docstring const str =
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bformat(_("%1$d strings have been replaced."), replace_count);
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buf.message(str);
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}
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}
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} else if (findnext) {
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// if we have deleted characters, we do not replace at all, but
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// rather search for the next occurence
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if (findOne(bv, search, casesensitive, matchword, forward))
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update = true;
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else
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bv->message(_("String not found."));
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}
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bv->buffer().updatePreviews();
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return update;
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}
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bool findNextChange(DocIterator & cur)
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{
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for (; cur; cur.forwardPos())
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if (cur.inTexted() && cur.paragraph().isChanged(cur.pos()))
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return true;
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return false;
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}
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bool findPreviousChange(DocIterator & cur)
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{
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for (cur.backwardPos(); cur; cur.backwardPos()) {
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if (cur.inTexted() && cur.paragraph().isChanged(cur.pos()))
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return true;
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}
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return false;
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}
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bool selectChange(Cursor & cur, bool forward)
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{
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if (!cur.inTexted() || !cur.paragraph().isChanged(cur.pos()))
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return false;
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Change ch = cur.paragraph().lookupChange(cur.pos());
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CursorSlice tip1 = cur.top();
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for (; tip1.pit() < tip1.lastpit() || tip1.pos() < tip1.lastpos(); tip1.forwardPos()) {
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Change ch2 = tip1.paragraph().lookupChange(tip1.pos());
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if (!ch2.isSimilarTo(ch))
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break;
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}
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CursorSlice tip2 = cur.top();
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for (; tip2.pit() > 0 || tip2.pos() > 0;) {
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tip2.backwardPos();
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Change ch2 = tip2.paragraph().lookupChange(tip2.pos());
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if (!ch2.isSimilarTo(ch)) {
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// take a step forward to correctly set the selection
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tip2.forwardPos();
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break;
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}
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}
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if (forward)
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swap(tip1, tip2);
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cur.top() = tip1;
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cur.bv().mouseSetCursor(cur, false);
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cur.top() = tip2;
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cur.bv().mouseSetCursor(cur, true);
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return true;
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}
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namespace {
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bool findChange(BufferView * bv, bool forward)
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{
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Cursor cur(*bv);
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cur.setCursor(forward ? bv->cursor().selectionEnd()
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: bv->cursor().selectionBegin());
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forward ? findNextChange(cur) : findPreviousChange(cur);
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return selectChange(cur, forward);
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}
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}
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bool findNextChange(BufferView * bv)
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{
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return findChange(bv, true);
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}
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bool findPreviousChange(BufferView * bv)
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{
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return findChange(bv, false);
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}
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namespace {
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typedef vector<pair<string, string> > Escapes;
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/// A map of symbols and their escaped equivalent needed within a regex.
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/// @note Beware of order
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Escapes const & get_regexp_escapes()
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{
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typedef std::pair<std::string, std::string> P;
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static Escapes escape_map;
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if (escape_map.empty()) {
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escape_map.push_back(P("$", "_x_$"));
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escape_map.push_back(P("{", "_x_{"));
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escape_map.push_back(P("}", "_x_}"));
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escape_map.push_back(P("[", "_x_["));
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escape_map.push_back(P("]", "_x_]"));
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escape_map.push_back(P("(", "_x_("));
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escape_map.push_back(P(")", "_x_)"));
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escape_map.push_back(P("+", "_x_+"));
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escape_map.push_back(P("*", "_x_*"));
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escape_map.push_back(P(".", "_x_."));
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escape_map.push_back(P("\\", "(?:\\\\|\\\\backslash)"));
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escape_map.push_back(P("~", "(?:\\\\textasciitilde|\\\\sim)"));
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escape_map.push_back(P("^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex)"));
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escape_map.push_back(P("_x_", "\\"));
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}
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return escape_map;
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}
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/// A map of lyx escaped strings and their unescaped equivalent.
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Escapes const & get_lyx_unescapes()
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{
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typedef std::pair<std::string, std::string> P;
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static Escapes escape_map;
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if (escape_map.empty()) {
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escape_map.push_back(P("\\%", "%"));
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escape_map.push_back(P("\\mathcircumflex ", "^"));
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escape_map.push_back(P("\\mathcircumflex", "^"));
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escape_map.push_back(P("\\backslash ", "\\"));
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escape_map.push_back(P("\\backslash", "\\"));
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escape_map.push_back(P("\\\\{", "_x_<"));
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escape_map.push_back(P("\\\\}", "_x_>"));
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escape_map.push_back(P("\\sim ", "~"));
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escape_map.push_back(P("\\sim", "~"));
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}
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return escape_map;
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}
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/// A map of escapes turning a regexp matching text to one matching latex.
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Escapes const & get_regexp_latex_escapes()
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{
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typedef std::pair<std::string, std::string> P;
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static Escapes escape_map;
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if (escape_map.empty()) {
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escape_map.push_back(P("\\\\", "(?:\\\\\\\\|\\\\backslash|\\\\textbackslash\\{\\})"));
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escape_map.push_back(P("(<?!\\\\\\\\textbackslash)\\{", "\\\\\\{"));
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escape_map.push_back(P("(<?!\\\\\\\\textbackslash\\\\\\{)\\}", "\\\\\\}"));
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escape_map.push_back(P("\\[", "\\{\\[\\}"));
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escape_map.push_back(P("\\]", "\\{\\]\\}"));
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escape_map.push_back(P("\\^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex)"));
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escape_map.push_back(P("%", "\\\\\\%"));
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}
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return escape_map;
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}
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|
|
/** @todo Probably the maps need to be migrated to regexps, in order to distinguish if
|
|
** the found occurrence were escaped.
|
|
**/
|
|
string apply_escapes(string s, Escapes const & escape_map)
|
|
{
|
|
LYXERR(Debug::FIND, "Escaping: '" << s << "'");
|
|
Escapes::const_iterator it;
|
|
for (it = escape_map.begin(); it != escape_map.end(); ++it) {
|
|
// LYXERR(Debug::FIND, "Escaping " << it->first << " as " << it->second);
|
|
unsigned int pos = 0;
|
|
while (pos < s.length() && (pos = s.find(it->first, pos)) < s.length()) {
|
|
s.replace(pos, it->first.length(), it->second);
|
|
LYXERR(Debug::FIND, "After escape: " << s);
|
|
pos += it->second.length();
|
|
// LYXERR(Debug::FIND, "pos: " << pos);
|
|
}
|
|
}
|
|
LYXERR(Debug::FIND, "Escaped : '" << s << "'");
|
|
return s;
|
|
}
|
|
|
|
|
|
/// Within \regexp{} apply get_lyx_unescapes() only (i.e., preserve regexp semantics of the string),
|
|
/// while outside apply get_lyx_unescapes()+get_regexp_escapes().
|
|
/// If match_latex is true, then apply regexp_latex_escapes() to \regexp{} contents as well.
|
|
string escape_for_regex(string s, bool match_latex)
|
|
{
|
|
size_t pos = 0;
|
|
while (pos < s.size()) {
|
|
size_t new_pos = s.find("\\regexp{", pos);
|
|
if (new_pos == string::npos)
|
|
new_pos = s.size();
|
|
LYXERR(Debug::FIND, "new_pos: " << new_pos);
|
|
string t = apply_escapes(s.substr(pos, new_pos - pos), get_lyx_unescapes());
|
|
LYXERR(Debug::FIND, "t [lyx]: " << t);
|
|
t = apply_escapes(t, get_regexp_escapes());
|
|
LYXERR(Debug::FIND, "t [rxp]: " << t);
|
|
s.replace(pos, new_pos - pos, t);
|
|
new_pos = pos + t.size();
|
|
LYXERR(Debug::FIND, "Regexp after escaping: " << s);
|
|
LYXERR(Debug::FIND, "new_pos: " << new_pos);
|
|
if (new_pos == s.size())
|
|
break;
|
|
// Might fail if \\endregexp{} is preceeded by unexpected stuff (weird escapes)
|
|
size_t end_pos = s.find("\\endregexp{}}", new_pos + 8);
|
|
LYXERR(Debug::FIND, "end_pos: " << end_pos);
|
|
t = s.substr(new_pos + 8, end_pos - (new_pos + 8));
|
|
LYXERR(Debug::FIND, "t in regexp : " << t);
|
|
t = apply_escapes(t, get_lyx_unescapes());
|
|
LYXERR(Debug::FIND, "t in regexp [lyx]: " << t);
|
|
if (match_latex) {
|
|
t = apply_escapes(t, get_regexp_latex_escapes());
|
|
LYXERR(Debug::FIND, "t in regexp [ltx]: " << t);
|
|
}
|
|
if (end_pos == s.size()) {
|
|
s.replace(new_pos, end_pos - new_pos, t);
|
|
pos = s.size();
|
|
LYXERR(Debug::FIND, "Regexp after \\regexp{} removal: " << s);
|
|
break;
|
|
}
|
|
s.replace(new_pos, end_pos + 13 - new_pos, t);
|
|
LYXERR(Debug::FIND, "Regexp after \\regexp{...\\endregexp{}} removal: " << s);
|
|
pos = new_pos + t.size();
|
|
LYXERR(Debug::FIND, "pos: " << pos);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
|
|
/// Wrapper for lyx::regex_replace with simpler interface
|
|
bool regex_replace(string const & s, string & t, string const & searchstr,
|
|
string const & replacestr)
|
|
{
|
|
lyx::regex e(searchstr);
|
|
ostringstream oss;
|
|
ostream_iterator<char, char> it(oss);
|
|
lyx::regex_replace(it, s.begin(), s.end(), e, replacestr);
|
|
// tolerate t and s be references to the same variable
|
|
bool rv = (s != oss.str());
|
|
t = oss.str();
|
|
return rv;
|
|
}
|
|
|
|
|
|
/** Checks if supplied string segment is well-formed from the standpoint of matching open-closed braces.
|
|
**
|
|
** Verify that closed braces exactly match open braces. This avoids that, for example,
|
|
** \frac{.*}{x} matches \frac{x+\frac{y}{x}}{z} with .* being 'x+\frac{y'.
|
|
**
|
|
** @param unmatched
|
|
** Number of open braces that must remain open at the end for the verification to succeed.
|
|
**/
|
|
bool braces_match(string::const_iterator const & beg,
|
|
string::const_iterator const & end,
|
|
int unmatched = 0)
|
|
{
|
|
int open_pars = 0;
|
|
string::const_iterator it = beg;
|
|
LYXERR(Debug::FIND, "Checking " << unmatched << " unmatched braces in '" << string(beg, end) << "'");
|
|
for (; it != end; ++it) {
|
|
// Skip escaped braces in the count
|
|
if (*it == '\\') {
|
|
++it;
|
|
if (it == end)
|
|
break;
|
|
} else if (*it == '{') {
|
|
++open_pars;
|
|
} else if (*it == '}') {
|
|
if (open_pars == 0) {
|
|
LYXERR(Debug::FIND, "Found unmatched closed brace");
|
|
return false;
|
|
} else
|
|
--open_pars;
|
|
}
|
|
}
|
|
if (open_pars != unmatched) {
|
|
LYXERR(Debug::FIND, "Found " << open_pars
|
|
<< " instead of " << unmatched
|
|
<< " unmatched open braces at the end of count");
|
|
return false;
|
|
}
|
|
LYXERR(Debug::FIND, "Braces match as expected");
|
|
return true;
|
|
}
|
|
|
|
|
|
/** The class performing a match between a position in the document and the FindAdvOptions.
|
|
**/
|
|
class MatchStringAdv {
|
|
public:
|
|
MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt);
|
|
|
|
/** Tests if text starting at the supplied position matches with the one provided to the MatchStringAdv
|
|
** constructor as opt.search, under the opt.* options settings.
|
|
**
|
|
** @param at_begin
|
|
** If set, then match is searched only against beginning of text starting at cur.
|
|
** If unset, then match is searched anywhere in text starting at cur.
|
|
**
|
|
** @return
|
|
** The length of the matching text, or zero if no match was found.
|
|
**/
|
|
int operator()(DocIterator const & cur, int len = -1, bool at_begin = true) const;
|
|
|
|
public:
|
|
/// buffer
|
|
lyx::Buffer * p_buf;
|
|
/// first buffer on which search was started
|
|
lyx::Buffer * const p_first_buf;
|
|
/// options
|
|
FindAndReplaceOptions const & opt;
|
|
|
|
private:
|
|
/// Auxiliary find method (does not account for opt.matchword)
|
|
int findAux(DocIterator const & cur, int len = -1, bool at_begin = true) const;
|
|
|
|
/** Normalize a stringified or latexified LyX paragraph.
|
|
**
|
|
** Normalize means:
|
|
** <ul>
|
|
** <li>if search is not casesensitive, then lowercase the string;
|
|
** <li>remove any newline at begin or end of the string;
|
|
** <li>replace any newline in the middle of the string with a simple space;
|
|
** <li>remove stale empty styles and environments, like \emph{} and \textbf{}.
|
|
** </ul>
|
|
**
|
|
** @todo Normalization should also expand macros, if the corresponding
|
|
** search option was checked.
|
|
**/
|
|
string normalize(docstring const & s, bool hack_braces) const;
|
|
// normalized string to search
|
|
string par_as_string;
|
|
// regular expression to use for searching
|
|
lyx::regex regexp;
|
|
// same as regexp, but prefixed with a ".*"
|
|
lyx::regex regexp2;
|
|
// leading format material as string
|
|
string lead_as_string;
|
|
// par_as_string after removal of lead_as_string
|
|
string par_as_string_nolead;
|
|
// unmatched open braces in the search string/regexp
|
|
int open_braces;
|
|
// number of (.*?) subexpressions added at end of search regexp for closing
|
|
// environments, math mode, styles, etc...
|
|
int close_wildcards;
|
|
// Are we searching with regular expressions ?
|
|
bool use_regexp;
|
|
};
|
|
|
|
|
|
static docstring buffer_to_latex(Buffer & buffer)
|
|
{
|
|
OutputParams runparams(&buffer.params().encoding());
|
|
TexRow texrow;
|
|
odocstringstream ods;
|
|
otexstream os(ods, texrow);
|
|
runparams.nice = true;
|
|
runparams.flavor = OutputParams::LATEX;
|
|
runparams.linelen = 80; //lyxrc.plaintext_linelen;
|
|
// No side effect of file copying and image conversion
|
|
runparams.dryrun = true;
|
|
pit_type const endpit = buffer.paragraphs().size();
|
|
for (pit_type pit = 0; pit != endpit; ++pit) {
|
|
TeXOnePar(buffer, buffer.text(), pit, os, runparams);
|
|
LYXERR(Debug::FIND, "searchString up to here: " << ods.str());
|
|
}
|
|
return ods.str();
|
|
}
|
|
|
|
|
|
static docstring stringifySearchBuffer(Buffer & buffer, FindAndReplaceOptions const & opt)
|
|
{
|
|
docstring str;
|
|
if (!opt.ignoreformat) {
|
|
str = buffer_to_latex(buffer);
|
|
} else {
|
|
OutputParams runparams(&buffer.params().encoding());
|
|
runparams.nice = true;
|
|
runparams.flavor = OutputParams::LATEX;
|
|
runparams.linelen = 100000; //lyxrc.plaintext_linelen;
|
|
runparams.dryrun = true;
|
|
runparams.for_search = true;
|
|
for (pos_type pit = pos_type(0); pit < (pos_type)buffer.paragraphs().size(); ++pit) {
|
|
Paragraph const & par = buffer.paragraphs().at(pit);
|
|
LYXERR(Debug::FIND, "Adding to search string: '"
|
|
<< par.asString(pos_type(0), par.size(),
|
|
AS_STR_INSETS | AS_STR_SKIPDELETE | AS_STR_PLAINTEXT,
|
|
&runparams)
|
|
<< "'");
|
|
str += par.asString(pos_type(0), par.size(),
|
|
AS_STR_INSETS | AS_STR_SKIPDELETE | AS_STR_PLAINTEXT,
|
|
&runparams);
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
|
|
|
|
/// Return separation pos between the leading material and the rest
|
|
static size_t identifyLeading(string const & s)
|
|
{
|
|
string t = s;
|
|
// @TODO Support \item[text]
|
|
while (regex_replace(t, t, "^\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)\\*?\\{", "")
|
|
|| regex_replace(t, t, "^\\$", "")
|
|
|| regex_replace(t, t, "^\\\\\\[ ", "")
|
|
|| regex_replace(t, t, "^\\\\item ", "")
|
|
|| regex_replace(t, t, "^\\\\begin\\{[a-zA-Z_]*\\*?\\} ", ""))
|
|
LYXERR(Debug::FIND, " after removing leading $, \\[ , \\emph{, \\textbf{, etc.: '" << t << "'");
|
|
return s.find(t);
|
|
}
|
|
|
|
|
|
// Remove trailing closure of math, macros and environments, so to catch parts of them.
|
|
static int identifyClosing(string & t)
|
|
{
|
|
int open_braces = 0;
|
|
do {
|
|
LYXERR(Debug::FIND, "identifyClosing(): t now is '" << t << "'");
|
|
if (regex_replace(t, t, "(.*[^\\\\])\\$\\'", "$1"))
|
|
continue;
|
|
if (regex_replace(t, t, "(.*[^\\\\]) \\\\\\]\\'", "$1"))
|
|
continue;
|
|
if (regex_replace(t, t, "(.*[^\\\\]) \\\\end\\{[a-zA-Z_]*\\*?\\}\\'", "$1"))
|
|
continue;
|
|
if (regex_replace(t, t, "(.*[^\\\\])\\}\\'", "$1")) {
|
|
++open_braces;
|
|
continue;
|
|
}
|
|
break;
|
|
} while (true);
|
|
return open_braces;
|
|
}
|
|
|
|
|
|
MatchStringAdv::MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt)
|
|
: p_buf(&buf), p_first_buf(&buf), opt(opt)
|
|
{
|
|
Buffer & find_buf = *theBufferList().getBuffer(FileName(to_utf8(opt.find_buf_name)), true);
|
|
docstring const & ds = stringifySearchBuffer(find_buf, opt);
|
|
use_regexp = lyx::to_utf8(ds).find("\\regexp{") != std::string::npos;
|
|
// When using regexp, braces are hacked already by escape_for_regex()
|
|
par_as_string = normalize(ds, !use_regexp);
|
|
open_braces = 0;
|
|
close_wildcards = 0;
|
|
|
|
size_t lead_size = 0;
|
|
if (opt.ignoreformat) {
|
|
if (!use_regexp) {
|
|
// if par_as_string_nolead were emty,
|
|
// the following call to findAux will always *find* the string
|
|
// in the checked data, and thus always using the slow
|
|
// examining of the current text part.
|
|
par_as_string_nolead = par_as_string;
|
|
}
|
|
} else {
|
|
lead_size = identifyLeading(par_as_string);
|
|
lead_as_string = par_as_string.substr(0, lead_size);
|
|
par_as_string_nolead = par_as_string.substr(lead_size, par_as_string.size() - lead_size);
|
|
}
|
|
|
|
if (!use_regexp) {
|
|
open_braces = identifyClosing(par_as_string);
|
|
identifyClosing(par_as_string_nolead);
|
|
LYXERR(Debug::FIND, "Open braces: " << open_braces);
|
|
LYXERR(Debug::FIND, "Built MatchStringAdv object: par_as_string = '" << par_as_string << "'");
|
|
} else {
|
|
string lead_as_regexp;
|
|
if (lead_size > 0) {
|
|
// @todo No need to search for \regexp{} insets in leading material
|
|
lead_as_regexp = escape_for_regex(par_as_string.substr(0, lead_size), !opt.ignoreformat);
|
|
par_as_string = par_as_string_nolead;
|
|
LYXERR(Debug::FIND, "lead_as_regexp is '" << lead_as_regexp << "'");
|
|
LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
|
|
}
|
|
par_as_string = escape_for_regex(par_as_string, !opt.ignoreformat);
|
|
// Insert (.*?) before trailing closure of math, macros and environments, so to catch parts of them.
|
|
LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
|
|
if (
|
|
// Insert .* before trailing '\$' ('$' has been escaped by escape_for_regex)
|
|
regex_replace(par_as_string, par_as_string, "(.*[^\\\\])(\\\\\\$)\\'", "$1(.*?)$2")
|
|
// Insert .* before trailing '\\\]' ('\]' has been escaped by escape_for_regex)
|
|
|| regex_replace(par_as_string, par_as_string, "(.*[^\\\\])( \\\\\\\\\\\\\\])\\'", "$1(.*?)$2")
|
|
// Insert .* before trailing '\\end\{...}' ('\end{...}' has been escaped by escape_for_regex)
|
|
|| regex_replace(par_as_string, par_as_string,
|
|
"(.*[^\\\\])( \\\\\\\\end\\\\\\{[a-zA-Z_]*)(\\\\\\*)?(\\\\\\})\\'", "$1(.*?)$2$3$4")
|
|
// Insert .* before trailing '\}' ('}' has been escaped by escape_for_regex)
|
|
|| regex_replace(par_as_string, par_as_string, "(.*[^\\\\])(\\\\\\})\\'", "$1(.*?)$2")
|
|
) {
|
|
++close_wildcards;
|
|
}
|
|
LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
|
|
LYXERR(Debug::FIND, "Open braces: " << open_braces);
|
|
LYXERR(Debug::FIND, "Close .*? : " << close_wildcards);
|
|
LYXERR(Debug::FIND, "Replaced text (to be used as regex): " << par_as_string);
|
|
// If entered regexp must match at begin of searched string buffer
|
|
string regexp_str = string("\\`") + lead_as_regexp + par_as_string;
|
|
LYXERR(Debug::FIND, "Setting regexp to : '" << regexp_str << "'");
|
|
regexp = lyx::regex(regexp_str);
|
|
|
|
// If entered regexp may match wherever in searched string buffer
|
|
string regexp2_str = string("\\`.*") + lead_as_regexp + ".*" + par_as_string;
|
|
LYXERR(Debug::FIND, "Setting regexp2 to: '" << regexp2_str << "'");
|
|
regexp2 = lyx::regex(regexp2_str);
|
|
}
|
|
}
|
|
|
|
|
|
int MatchStringAdv::findAux(DocIterator const & cur, int len, bool at_begin) const
|
|
{
|
|
if (at_begin &&
|
|
(opt.restr == FindAndReplaceOptions::R_ONLY_MATHS && !cur.inMathed()) )
|
|
return 0;
|
|
docstring docstr = stringifyFromForSearch(opt, cur, len);
|
|
LYXERR(Debug::FIND, "Matching against '" << lyx::to_utf8(docstr) << "'");
|
|
string str = normalize(docstr, true);
|
|
LYXERR(Debug::FIND, "After normalization: '" << str << "'");
|
|
if (! use_regexp) {
|
|
LYXERR(Debug::FIND, "Searching in normal mode: par_as_string='" << par_as_string << "', str='" << str << "'");
|
|
LYXERR(Debug::FIND, "Searching in normal mode: lead_as_string='" << lead_as_string << "', par_as_string_nolead='" << par_as_string_nolead << "'");
|
|
if (at_begin) {
|
|
LYXERR(Debug::FIND, "size=" << par_as_string.size() << ", substr='" << str.substr(0, par_as_string.size()) << "'");
|
|
if (str.substr(0, par_as_string.size()) == par_as_string)
|
|
return par_as_string.size();
|
|
} else {
|
|
size_t pos = str.find(par_as_string_nolead);
|
|
if (pos != string::npos)
|
|
return par_as_string.size();
|
|
}
|
|
} else {
|
|
LYXERR(Debug::FIND, "Searching in regexp mode: at_begin=" << at_begin);
|
|
// Try all possible regexp matches,
|
|
//until one that verifies the braces match test is found
|
|
regex const *p_regexp = at_begin ? ®exp : ®exp2;
|
|
sregex_iterator re_it(str.begin(), str.end(), *p_regexp);
|
|
sregex_iterator re_it_end;
|
|
for (; re_it != re_it_end; ++re_it) {
|
|
match_results<string::const_iterator> const & m = *re_it;
|
|
// Check braces on the segment that matched the entire regexp expression,
|
|
// plus the last subexpression, if a (.*?) was inserted in the constructor.
|
|
if (!braces_match(m[0].first, m[0].second, open_braces))
|
|
return 0;
|
|
// Check braces on segments that matched all (.*?) subexpressions,
|
|
// except the last "padding" one inserted by lyx.
|
|
for (size_t i = 1; i < m.size() - 1; ++i)
|
|
if (!braces_match(m[i].first, m[i].second))
|
|
return false;
|
|
// Exclude from the returned match length any length
|
|
// due to close wildcards added at end of regexp
|
|
if (close_wildcards == 0)
|
|
return m[0].second - m[0].first;
|
|
else
|
|
return m[m.size() - close_wildcards].first - m[0].first;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
int MatchStringAdv::operator()(DocIterator const & cur, int len, bool at_begin) const
|
|
{
|
|
int res = findAux(cur, len, at_begin);
|
|
LYXERR(Debug::FIND,
|
|
"res=" << res << ", at_begin=" << at_begin
|
|
<< ", matchword=" << opt.matchword
|
|
<< ", inTexted=" << cur.inTexted());
|
|
if (res == 0 || !at_begin || !opt.matchword || !cur.inTexted())
|
|
return res;
|
|
Paragraph const & par = cur.paragraph();
|
|
bool ws_left = (cur.pos() > 0)
|
|
? par.isWordSeparator(cur.pos() - 1)
|
|
: true;
|
|
bool ws_right = (cur.pos() + res < par.size())
|
|
? par.isWordSeparator(cur.pos() + res)
|
|
: true;
|
|
LYXERR(Debug::FIND,
|
|
"cur.pos()=" << cur.pos() << ", res=" << res
|
|
<< ", separ: " << ws_left << ", " << ws_right
|
|
<< endl);
|
|
if (ws_left && ws_right)
|
|
return res;
|
|
return 0;
|
|
}
|
|
|
|
|
|
string MatchStringAdv::normalize(docstring const & s, bool hack_braces) const
|
|
{
|
|
string t;
|
|
if (! opt.casesensitive)
|
|
t = lyx::to_utf8(lowercase(s));
|
|
else
|
|
t = lyx::to_utf8(s);
|
|
// Remove \n at begin
|
|
while (!t.empty() && t[0] == '\n')
|
|
t = t.substr(1);
|
|
// Remove \n at end
|
|
while (!t.empty() && t[t.size() - 1] == '\n')
|
|
t = t.substr(0, t.size() - 1);
|
|
size_t pos;
|
|
// Replace all other \n with spaces
|
|
while ((pos = t.find("\n")) != string::npos)
|
|
t.replace(pos, 1, " ");
|
|
// Remove stale empty \emph{}, \textbf{} and similar blocks from latexify
|
|
LYXERR(Debug::FIND, "Removing stale empty \\emph{}, \\textbf{}, \\*section{} macros from: " << t);
|
|
while (regex_replace(t, t, "\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)(\\{\\})+", ""))
|
|
LYXERR(Debug::FIND, " further removing stale empty \\emph{}, \\textbf{} macros from: " << t);
|
|
|
|
// FIXME - check what preceeds the brace
|
|
if (hack_braces) {
|
|
if (opt.ignoreformat)
|
|
while (regex_replace(t, t, "\\{", "_x_<")
|
|
|| regex_replace(t, t, "\\}", "_x_>"))
|
|
LYXERR(Debug::FIND, "After {} replacement: '" << t << "'");
|
|
else
|
|
while (regex_replace(t, t, "\\\\\\{", "_x_<")
|
|
|| regex_replace(t, t, "\\\\\\}", "_x_>"))
|
|
LYXERR(Debug::FIND, "After {} replacement: '" << t << "'");
|
|
}
|
|
|
|
return t;
|
|
}
|
|
|
|
|
|
docstring stringifyFromCursor(DocIterator const & cur, int len)
|
|
{
|
|
LYXERR(Debug::FIND, "Stringifying with len=" << len << " from cursor at pos: " << cur);
|
|
if (cur.inTexted()) {
|
|
Paragraph const & par = cur.paragraph();
|
|
// TODO what about searching beyond/across paragraph breaks ?
|
|
// TODO Try adding a AS_STR_INSERTS as last arg
|
|
pos_type end = ( len == -1 || cur.pos() + len > int(par.size()) ) ?
|
|
int(par.size()) : cur.pos() + len;
|
|
OutputParams runparams(&cur.buffer()->params().encoding());
|
|
odocstringstream os;
|
|
runparams.nice = true;
|
|
runparams.flavor = OutputParams::LATEX;
|
|
runparams.linelen = 100000; //lyxrc.plaintext_linelen;
|
|
// No side effect of file copying and image conversion
|
|
runparams.dryrun = true;
|
|
LYXERR(Debug::FIND, "Stringifying with cur: "
|
|
<< cur << ", from pos: " << cur.pos() << ", end: " << end);
|
|
return par.asString(cur.pos(), end,
|
|
AS_STR_INSETS | AS_STR_SKIPDELETE | AS_STR_PLAINTEXT,
|
|
&runparams);
|
|
} else if (cur.inMathed()) {
|
|
docstring s;
|
|
CursorSlice cs = cur.top();
|
|
MathData md = cs.cell();
|
|
MathData::const_iterator it_end =
|
|
(( len == -1 || cs.pos() + len > int(md.size()))
|
|
? md.end()
|
|
: md.begin() + cs.pos() + len );
|
|
for (MathData::const_iterator it = md.begin() + cs.pos();
|
|
it != it_end; ++it)
|
|
s = s + asString(*it);
|
|
LYXERR(Debug::FIND, "Stringified math: '" << s << "'");
|
|
return s;
|
|
}
|
|
LYXERR(Debug::FIND, "Don't know how to stringify from here: " << cur);
|
|
return docstring();
|
|
}
|
|
|
|
|
|
/** Computes the LaTeX export of buf starting from cur and ending len positions
|
|
* after cur, if len is positive, or at the paragraph or innermost inset end
|
|
* if len is -1.
|
|
*/
|
|
docstring latexifyFromCursor(DocIterator const & cur, int len)
|
|
{
|
|
LYXERR(Debug::FIND, "Latexifying with len=" << len << " from cursor at pos: " << cur);
|
|
LYXERR(Debug::FIND, " with cur.lastpost=" << cur.lastpos() << ", cur.lastrow="
|
|
<< cur.lastrow() << ", cur.lastcol=" << cur.lastcol());
|
|
Buffer const & buf = *cur.buffer();
|
|
LBUFERR(buf.params().isLatex());
|
|
|
|
TexRow texrow;
|
|
odocstringstream ods;
|
|
otexstream os(ods, texrow);
|
|
OutputParams runparams(&buf.params().encoding());
|
|
runparams.nice = false;
|
|
runparams.flavor = OutputParams::LATEX;
|
|
runparams.linelen = 8000; //lyxrc.plaintext_linelen;
|
|
// No side effect of file copying and image conversion
|
|
runparams.dryrun = true;
|
|
|
|
if (cur.inTexted()) {
|
|
// @TODO what about searching beyond/across paragraph breaks ?
|
|
pos_type endpos = cur.paragraph().size();
|
|
if (len != -1 && endpos > cur.pos() + len)
|
|
endpos = cur.pos() + len;
|
|
TeXOnePar(buf, *cur.innerText(), cur.pit(), os, runparams,
|
|
string(), cur.pos(), endpos);
|
|
LYXERR(Debug::FIND, "Latexified text: '" << lyx::to_utf8(ods.str()) << "'");
|
|
} else if (cur.inMathed()) {
|
|
// Retrieve the math environment type, and add '$' or '$[' or others (\begin{equation}) accordingly
|
|
for (int s = cur.depth() - 1; s >= 0; --s) {
|
|
CursorSlice const & cs = cur[s];
|
|
if (cs.asInsetMath() && cs.asInsetMath() && cs.asInsetMath()->asHullInset()) {
|
|
WriteStream ws(ods);
|
|
cs.asInsetMath()->asHullInset()->header_write(ws);
|
|
break;
|
|
}
|
|
}
|
|
|
|
CursorSlice const & cs = cur.top();
|
|
MathData md = cs.cell();
|
|
MathData::const_iterator it_end =
|
|
((len == -1 || cs.pos() + len > int(md.size()))
|
|
? md.end()
|
|
: md.begin() + cs.pos() + len);
|
|
for (MathData::const_iterator it = md.begin() + cs.pos();
|
|
it != it_end; ++it)
|
|
ods << asString(*it);
|
|
|
|
// Retrieve the math environment type, and add '$' or '$]'
|
|
// or others (\end{equation}) accordingly
|
|
for (int s = cur.depth() - 1; s >= 0; --s) {
|
|
CursorSlice const & cs = cur[s];
|
|
InsetMath * inset = cs.asInsetMath();
|
|
if (inset && inset->asHullInset()) {
|
|
WriteStream ws(ods);
|
|
inset->asHullInset()->footer_write(ws);
|
|
break;
|
|
}
|
|
}
|
|
LYXERR(Debug::FIND, "Latexified math: '" << lyx::to_utf8(ods.str()) << "'");
|
|
} else {
|
|
LYXERR(Debug::FIND, "Don't know how to stringify from here: " << cur);
|
|
}
|
|
return ods.str();
|
|
}
|
|
|
|
|
|
/** Finalize an advanced find operation, advancing the cursor to the innermost
|
|
** position that matches, plus computing the length of the matching text to
|
|
** be selected
|
|
**/
|
|
int findAdvFinalize(DocIterator & cur, MatchStringAdv const & match)
|
|
{
|
|
// Search the foremost position that matches (avoids find of entire math
|
|
// inset when match at start of it)
|
|
size_t d;
|
|
DocIterator old_cur(cur.buffer());
|
|
do {
|
|
LYXERR(Debug::FIND, "Forwarding one step (searching for innermost match)");
|
|
d = cur.depth();
|
|
old_cur = cur;
|
|
cur.forwardPos();
|
|
} while (cur && cur.depth() > d && match(cur) > 0);
|
|
cur = old_cur;
|
|
LASSERT(match(cur) > 0, return 0);
|
|
LYXERR(Debug::FIND, "Ok");
|
|
|
|
// Compute the match length
|
|
int len = 1;
|
|
if (cur.pos() + len > cur.lastpos())
|
|
return 0;
|
|
LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
|
|
while (cur.pos() + len <= cur.lastpos() && match(cur, len) == 0) {
|
|
++len;
|
|
LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
|
|
}
|
|
// Length of matched text (different from len param)
|
|
int old_len = match(cur, len);
|
|
int new_len;
|
|
// Greedy behaviour while matching regexps
|
|
while ((new_len = match(cur, len + 1)) > old_len) {
|
|
++len;
|
|
old_len = new_len;
|
|
LYXERR(Debug::FIND, "verifying match with len = " << len);
|
|
}
|
|
return len;
|
|
}
|
|
|
|
|
|
/// Finds forward
|
|
int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
|
|
{
|
|
if (!cur)
|
|
return 0;
|
|
while (!theApp()->longOperationCancelled() && cur) {
|
|
LYXERR(Debug::FIND, "findForwardAdv() cur: " << cur);
|
|
int match_len = match(cur, -1, false);
|
|
LYXERR(Debug::FIND, "match_len: " << match_len);
|
|
if (match_len) {
|
|
for (; !theApp()->longOperationCancelled() && cur; cur.forwardPos()) {
|
|
LYXERR(Debug::FIND, "Advancing cur: " << cur);
|
|
int match_len = match(cur);
|
|
LYXERR(Debug::FIND, "match_len: " << match_len);
|
|
if (match_len) {
|
|
// Sometimes in finalize we understand it wasn't a match
|
|
// and we need to continue the outest loop
|
|
int len = findAdvFinalize(cur, match);
|
|
if (len > 0)
|
|
return len;
|
|
}
|
|
}
|
|
if (!cur)
|
|
return 0;
|
|
}
|
|
if (cur.pit() < cur.lastpit()) {
|
|
LYXERR(Debug::FIND, "Advancing par: cur=" << cur);
|
|
cur.forwardPar();
|
|
} else {
|
|
// This should exit nested insets, if any, or otherwise undefine the currsor.
|
|
cur.pos() = cur.lastpos();
|
|
LYXERR(Debug::FIND, "Advancing pos: cur=" << cur);
|
|
cur.forwardPos();
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
/// Find the most backward consecutive match within same paragraph while searching backwards.
|
|
int findMostBackwards(DocIterator & cur, MatchStringAdv const & match)
|
|
{
|
|
DocIterator cur_begin = doc_iterator_begin(cur.buffer());
|
|
DocIterator tmp_cur = cur;
|
|
int len = findAdvFinalize(tmp_cur, match);
|
|
Inset & inset = cur.inset();
|
|
for (; cur != cur_begin; cur.backwardPos()) {
|
|
LYXERR(Debug::FIND, "findMostBackwards(): cur=" << cur);
|
|
DocIterator new_cur = cur;
|
|
new_cur.backwardPos();
|
|
if (new_cur == cur || &new_cur.inset() != &inset || !match(new_cur))
|
|
break;
|
|
int new_len = findAdvFinalize(new_cur, match);
|
|
if (new_len == len)
|
|
break;
|
|
len = new_len;
|
|
}
|
|
LYXERR(Debug::FIND, "findMostBackwards(): exiting with cur=" << cur);
|
|
return len;
|
|
}
|
|
|
|
|
|
/// Finds backwards
|
|
int findBackwardsAdv(DocIterator & cur, MatchStringAdv & match)
|
|
{
|
|
if (! cur)
|
|
return 0;
|
|
// Backup of original position
|
|
DocIterator cur_begin = doc_iterator_begin(cur.buffer());
|
|
if (cur == cur_begin)
|
|
return 0;
|
|
cur.backwardPos();
|
|
DocIterator cur_orig(cur);
|
|
bool found_match;
|
|
bool pit_changed = false;
|
|
found_match = false;
|
|
do {
|
|
cur.pos() = 0;
|
|
found_match = match(cur, -1, false);
|
|
|
|
if (found_match) {
|
|
if (pit_changed)
|
|
cur.pos() = cur.lastpos();
|
|
else
|
|
cur.pos() = cur_orig.pos();
|
|
LYXERR(Debug::FIND, "findBackAdv2: cur: " << cur);
|
|
DocIterator cur_prev_iter;
|
|
do {
|
|
found_match = match(cur);
|
|
LYXERR(Debug::FIND, "findBackAdv3: found_match="
|
|
<< found_match << ", cur: " << cur);
|
|
if (found_match)
|
|
return findMostBackwards(cur, match);
|
|
|
|
// Stop if begin of document reached
|
|
if (cur == cur_begin)
|
|
break;
|
|
cur_prev_iter = cur;
|
|
cur.backwardPos();
|
|
} while (true);
|
|
}
|
|
if (cur == cur_begin)
|
|
break;
|
|
if (cur.pit() > 0)
|
|
--cur.pit();
|
|
else
|
|
cur.backwardPos();
|
|
pit_changed = true;
|
|
} while (!theApp()->longOperationCancelled());
|
|
return 0;
|
|
}
|
|
|
|
|
|
} // anonym namespace
|
|
|
|
|
|
docstring stringifyFromForSearch(FindAndReplaceOptions const & opt,
|
|
DocIterator const & cur, int len)
|
|
{
|
|
LASSERT(cur.pos() >= 0 && cur.pos() <= cur.lastpos(),
|
|
return docstring());
|
|
if (!opt.ignoreformat)
|
|
return latexifyFromCursor(cur, len);
|
|
else
|
|
return stringifyFromCursor(cur, len);
|
|
}
|
|
|
|
|
|
FindAndReplaceOptions::FindAndReplaceOptions(
|
|
docstring const & find_buf_name, bool casesensitive,
|
|
bool matchword, bool forward, bool expandmacros, bool ignoreformat,
|
|
docstring const & repl_buf_name, bool keep_case,
|
|
SearchScope scope, SearchRestriction restr)
|
|
: find_buf_name(find_buf_name), casesensitive(casesensitive), matchword(matchword),
|
|
forward(forward), expandmacros(expandmacros), ignoreformat(ignoreformat),
|
|
repl_buf_name(repl_buf_name), keep_case(keep_case), scope(scope), restr(restr)
|
|
{
|
|
}
|
|
|
|
|
|
namespace {
|
|
|
|
|
|
/** Check if 'len' letters following cursor are all non-lowercase */
|
|
static bool allNonLowercase(Cursor const & cur, int len)
|
|
{
|
|
pos_type beg_pos = cur.selectionBegin().pos();
|
|
pos_type end_pos = cur.selectionBegin().pos() + len;
|
|
if (len > cur.lastpos() + 1 - beg_pos) {
|
|
LYXERR(Debug::FIND, "This should not happen, more debug needed");
|
|
len = cur.lastpos() + 1 - beg_pos;
|
|
}
|
|
for (pos_type pos = beg_pos; pos != end_pos; ++pos)
|
|
if (isLowerCase(cur.paragraph().getChar(pos)))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
|
|
/** Check if first letter is upper case and second one is lower case */
|
|
static bool firstUppercase(Cursor const & cur)
|
|
{
|
|
char_type ch1, ch2;
|
|
pos_type pos = cur.selectionBegin().pos();
|
|
if (pos >= cur.lastpos() - 1) {
|
|
LYXERR(Debug::FIND, "No upper-case at cur: " << cur);
|
|
return false;
|
|
}
|
|
ch1 = cur.paragraph().getChar(pos);
|
|
ch2 = cur.paragraph().getChar(pos + 1);
|
|
bool result = isUpperCase(ch1) && isLowerCase(ch2);
|
|
LYXERR(Debug::FIND, "firstUppercase(): "
|
|
<< "ch1=" << ch1 << "(" << char(ch1) << "), ch2="
|
|
<< ch2 << "(" << char(ch2) << ")"
|
|
<< ", result=" << result << ", cur=" << cur);
|
|
return result;
|
|
}
|
|
|
|
|
|
/** Make first letter of supplied buffer upper-case, and the rest lower-case.
|
|
**
|
|
** \fixme What to do with possible further paragraphs in replace buffer ?
|
|
**/
|
|
static void changeFirstCase(Buffer & buffer, TextCase first_case, TextCase others_case)
|
|
{
|
|
ParagraphList::iterator pit = buffer.paragraphs().begin();
|
|
LASSERT(pit->size() >= 1, /**/);
|
|
pos_type right = pos_type(1);
|
|
pit->changeCase(buffer.params(), pos_type(0), right, first_case);
|
|
right = pit->size();
|
|
pit->changeCase(buffer.params(), pos_type(1), right, others_case);
|
|
}
|
|
|
|
} // anon namespace
|
|
|
|
///
|
|
static void findAdvReplace(BufferView * bv, FindAndReplaceOptions const & opt, MatchStringAdv & matchAdv)
|
|
{
|
|
Cursor & cur = bv->cursor();
|
|
if (opt.repl_buf_name == docstring())
|
|
return;
|
|
|
|
DocIterator sel_beg = cur.selectionBegin();
|
|
DocIterator sel_end = cur.selectionEnd();
|
|
if (&sel_beg.inset() != &sel_end.inset()
|
|
|| sel_beg.pit() != sel_end.pit()
|
|
|| sel_beg.idx() != sel_end.idx())
|
|
return;
|
|
int sel_len = sel_end.pos() - sel_beg.pos();
|
|
LYXERR(Debug::FIND, "sel_beg: " << sel_beg << ", sel_end: " << sel_end
|
|
<< ", sel_len: " << sel_len << endl);
|
|
if (sel_len == 0)
|
|
return;
|
|
LASSERT(sel_len > 0, return);
|
|
|
|
if (!matchAdv(sel_beg, sel_len))
|
|
return;
|
|
|
|
// Build a copy of the replace buffer, adapted to the KeepCase option
|
|
Buffer & repl_buffer_orig = *theBufferList().getBuffer(FileName(to_utf8(opt.repl_buf_name)), true);
|
|
ostringstream oss;
|
|
repl_buffer_orig.write(oss);
|
|
string lyx = oss.str();
|
|
Buffer repl_buffer("", false);
|
|
repl_buffer.setUnnamed(true);
|
|
LASSERT(repl_buffer.readString(lyx), return);
|
|
if (opt.keep_case && sel_len >= 2) {
|
|
LYXERR(Debug::FIND, "keep_case true: cur.pos()=" << cur.pos() << ", sel_len=" << sel_len);
|
|
if (cur.inTexted()) {
|
|
if (firstUppercase(cur))
|
|
changeFirstCase(repl_buffer, text_uppercase, text_lowercase);
|
|
else if (allNonLowercase(cur, sel_len))
|
|
changeFirstCase(repl_buffer, text_uppercase, text_uppercase);
|
|
}
|
|
}
|
|
cap::cutSelection(cur, false, false);
|
|
if (cur.inTexted()) {
|
|
repl_buffer.changeLanguage(
|
|
repl_buffer.language(),
|
|
cur.getFont().language());
|
|
LYXERR(Debug::FIND, "Replacing by pasteParagraphList()ing repl_buffer");
|
|
LYXERR(Debug::FIND, "Before pasteParagraphList() cur=" << cur << endl);
|
|
cap::pasteParagraphList(cur, repl_buffer.paragraphs(),
|
|
repl_buffer.params().documentClassPtr(),
|
|
bv->buffer().errorList("Paste"));
|
|
LYXERR(Debug::FIND, "After pasteParagraphList() cur=" << cur << endl);
|
|
sel_len = repl_buffer.paragraphs().begin()->size();
|
|
} else if (cur.inMathed()) {
|
|
TexRow texrow;
|
|
odocstringstream ods;
|
|
otexstream os(ods, texrow);
|
|
OutputParams runparams(&repl_buffer.params().encoding());
|
|
runparams.nice = false;
|
|
runparams.flavor = OutputParams::LATEX;
|
|
runparams.linelen = 8000; //lyxrc.plaintext_linelen;
|
|
runparams.dryrun = true;
|
|
TeXOnePar(repl_buffer, repl_buffer.text(), 0, os, runparams);
|
|
//repl_buffer.getSourceCode(ods, 0, repl_buffer.paragraphs().size(), false);
|
|
docstring repl_latex = ods.str();
|
|
LYXERR(Debug::FIND, "Latexified replace_buffer: '" << repl_latex << "'");
|
|
string s;
|
|
regex_replace(to_utf8(repl_latex), s, "\\$(.*)\\$", "$1");
|
|
regex_replace(s, s, "\\\\\\[(.*)\\\\\\]", "$1");
|
|
repl_latex = from_utf8(s);
|
|
LYXERR(Debug::FIND, "Replacing by insert()ing latex: '" << repl_latex << "' cur=" << cur << " with depth=" << cur.depth());
|
|
MathData ar(cur.buffer());
|
|
asArray(repl_latex, ar, Parse::NORMAL);
|
|
cur.insert(ar);
|
|
sel_len = ar.size();
|
|
LYXERR(Debug::FIND, "After insert() cur=" << cur << " with depth: " << cur.depth() << " and len: " << sel_len);
|
|
}
|
|
if (cur.pos() >= sel_len)
|
|
cur.pos() -= sel_len;
|
|
else
|
|
cur.pos() = 0;
|
|
LYXERR(Debug::FIND, "After pos adj cur=" << cur << " with depth: " << cur.depth() << " and len: " << sel_len);
|
|
bv->putSelectionAt(DocIterator(cur), sel_len, !opt.forward);
|
|
bv->processUpdateFlags(Update::Force);
|
|
bv->buffer().updatePreviews();
|
|
}
|
|
|
|
|
|
/// Perform a FindAdv operation.
|
|
bool findAdv(BufferView * bv, FindAndReplaceOptions const & opt)
|
|
{
|
|
DocIterator cur;
|
|
int match_len = 0;
|
|
|
|
try {
|
|
MatchStringAdv matchAdv(bv->buffer(), opt);
|
|
int length = bv->cursor().selectionEnd().pos() - bv->cursor().selectionBegin().pos();
|
|
if (length > 0)
|
|
bv->putSelectionAt(bv->cursor().selectionBegin(), length, !opt.forward);
|
|
findAdvReplace(bv, opt, matchAdv);
|
|
cur = bv->cursor();
|
|
if (opt.forward)
|
|
match_len = findForwardAdv(cur, matchAdv);
|
|
else
|
|
match_len = findBackwardsAdv(cur, matchAdv);
|
|
} catch (...) {
|
|
// This may only be raised by lyx::regex()
|
|
bv->message(_("Invalid regular expression!"));
|
|
return false;
|
|
}
|
|
|
|
if (match_len == 0) {
|
|
bv->message(_("Match not found!"));
|
|
return false;
|
|
}
|
|
|
|
bv->message(_("Match found!"));
|
|
|
|
LYXERR(Debug::FIND, "Putting selection at cur=" << cur << " with len: " << match_len);
|
|
bv->putSelectionAt(cur, match_len, !opt.forward);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
ostringstream & operator<<(ostringstream & os, FindAndReplaceOptions const & opt)
|
|
{
|
|
os << to_utf8(opt.find_buf_name) << "\nEOSS\n"
|
|
<< opt.casesensitive << ' '
|
|
<< opt.matchword << ' '
|
|
<< opt.forward << ' '
|
|
<< opt.expandmacros << ' '
|
|
<< opt.ignoreformat << ' '
|
|
<< to_utf8(opt.repl_buf_name) << "\nEOSS\n"
|
|
<< opt.keep_case << ' '
|
|
<< int(opt.scope) << ' '
|
|
<< int(opt.restr);
|
|
|
|
LYXERR(Debug::FIND, "built: " << os.str());
|
|
|
|
return os;
|
|
}
|
|
|
|
|
|
istringstream & operator>>(istringstream & is, FindAndReplaceOptions & opt)
|
|
{
|
|
LYXERR(Debug::FIND, "parsing");
|
|
string s;
|
|
string line;
|
|
getline(is, line);
|
|
while (line != "EOSS") {
|
|
if (! s.empty())
|
|
s = s + "\n";
|
|
s = s + line;
|
|
if (is.eof()) // Tolerate malformed request
|
|
break;
|
|
getline(is, line);
|
|
}
|
|
LYXERR(Debug::FIND, "file_buf_name: '" << s << "'");
|
|
opt.find_buf_name = from_utf8(s);
|
|
is >> opt.casesensitive >> opt.matchword >> opt.forward >> opt.expandmacros >> opt.ignoreformat;
|
|
is.get(); // Waste space before replace string
|
|
s = "";
|
|
getline(is, line);
|
|
while (line != "EOSS") {
|
|
if (! s.empty())
|
|
s = s + "\n";
|
|
s = s + line;
|
|
if (is.eof()) // Tolerate malformed request
|
|
break;
|
|
getline(is, line);
|
|
}
|
|
LYXERR(Debug::FIND, "repl_buf_name: '" << s << "'");
|
|
opt.repl_buf_name = from_utf8(s);
|
|
is >> opt.keep_case;
|
|
int i;
|
|
is >> i;
|
|
opt.scope = FindAndReplaceOptions::SearchScope(i);
|
|
is >> i;
|
|
opt.restr = FindAndReplaceOptions::SearchRestriction(i);
|
|
|
|
LYXERR(Debug::FIND, "parsed: " << opt.casesensitive << ' ' << opt.matchword << ' ' << opt.forward << ' '
|
|
<< opt.expandmacros << ' ' << opt.ignoreformat << ' ' << opt.keep_case << ' '
|
|
<< opt.scope << ' ' << opt.restr);
|
|
return is;
|
|
}
|
|
|
|
} // lyx namespace
|