lyx_mirror/src/lyxfind.cpp

3813 lines
119 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/**
* \file lyxfind.cpp
* This file is part of LyX, the document processor.
* License details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
* \author John Levon
* \author Jürgen Vigna
* \author Alfredo Braunstein
* \author Tommaso Cucinotta
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "lyxfind.h"
#include "Buffer.h"
#include "buffer_funcs.h"
#include "BufferList.h"
#include "BufferParams.h"
#include "BufferView.h"
#include "Changes.h"
#include "Cursor.h"
#include "CutAndPaste.h"
#include "FuncRequest.h"
#include "LyX.h"
#include "output_latex.h"
#include "OutputParams.h"
#include "Paragraph.h"
#include "ParIterator.h"
#include "TexRow.h"
#include "Text.h"
#include "Encoding.h"
#include "frontends/Application.h"
#include "frontends/alert.h"
#include "mathed/InsetMath.h"
#include "mathed/InsetMathGrid.h"
#include "mathed/InsetMathHull.h"
#include "mathed/MathData.h"
#include "mathed/MathStream.h"
#include "mathed/MathSupport.h"
#include "support/convert.h"
#include "support/debug.h"
#include "support/docstream.h"
#include "support/FileName.h"
#include "support/gettext.h"
#include "support/lassert.h"
#include "support/lstrings.h"
#include "support/regex.h"
#include "support/textutils.h"
#include <map>
using namespace std;
using namespace lyx::support;
namespace lyx {
// Helper class for deciding what should be ignored
class IgnoreFormats {
public:
///
IgnoreFormats()
: ignoreFamily_(false), ignoreSeries_(false),
ignoreShape_(false), ignoreUnderline_(false),
ignoreMarkUp_(false), ignoreStrikeOut_(false),
ignoreSectioning_(false), ignoreFrontMatter_(false),
ignoreColor_(false), ignoreLanguage_(false) {}
///
bool getFamily() { return ignoreFamily_; };
///
bool getSeries() { return ignoreSeries_; };
///
bool getShape() { return ignoreShape_; };
///
bool getUnderline() { return ignoreUnderline_; };
///
bool getMarkUp() { return ignoreMarkUp_; };
///
bool getStrikeOut() { return ignoreStrikeOut_; };
///
bool getSectioning() { return ignoreSectioning_; };
///
bool getFrontMatter() { return ignoreFrontMatter_; };
///
bool getColor() { return ignoreColor_; };
///
bool getLanguage() { return ignoreLanguage_; };
///
void setIgnoreFormat(string const & type, bool value);
private:
///
bool ignoreFamily_;
///
bool ignoreSeries_;
///
bool ignoreShape_;
///
bool ignoreUnderline_;
///
bool ignoreMarkUp_;
///
bool ignoreStrikeOut_;
///
bool ignoreSectioning_;
///
bool ignoreFrontMatter_;
///
bool ignoreColor_;
///
bool ignoreLanguage_;
};
void IgnoreFormats::setIgnoreFormat(string const & type, bool value)
{
if (type == "color") {
ignoreColor_ = value;
}
else if (type == "language") {
ignoreLanguage_ = value;
}
else if (type == "sectioning") {
ignoreSectioning_ = value;
ignoreFrontMatter_ = value;
}
else if (type == "font") {
ignoreSeries_ = value;
ignoreShape_ = value;
ignoreFamily_ = value;
}
else if (type == "series") {
ignoreSeries_ = value;
}
else if (type == "shape") {
ignoreShape_ = value;
}
else if (type == "family") {
ignoreFamily_ = value;
}
else if (type == "markup") {
ignoreMarkUp_ = value;
}
else if (type == "underline") {
ignoreUnderline_ = value;
}
else if (type == "strike") {
ignoreStrikeOut_ = value;
}
}
// The global variable that can be changed from outside
IgnoreFormats ignoreFormats;
void setIgnoreFormat(string const & type, bool value)
{
ignoreFormats.setIgnoreFormat(type, value);
}
namespace {
bool parse_bool(docstring & howto)
{
if (howto.empty())
return false;
docstring var;
howto = split(howto, var, ' ');
return var == "1";
}
class MatchString : public binary_function<Paragraph, pos_type, int>
{
public:
MatchString(docstring const & s, bool cs, bool mw)
: str(s), case_sens(cs), whole_words(mw)
{}
// returns true if the specified string is at the specified position
// del specifies whether deleted strings in ct mode will be considered
int operator()(Paragraph const & par, pos_type pos, bool del = true) const
{
return par.find(str, case_sens, whole_words, pos, del);
}
private:
// search string
docstring str;
// case sensitive
bool case_sens;
// match whole words only
bool whole_words;
};
int findForward(DocIterator & cur, MatchString const & match,
bool find_del = true)
{
for (; cur; cur.forwardChar())
if (cur.inTexted()) {
int len = match(cur.paragraph(), cur.pos(), find_del);
if (len > 0)
return len;
}
return 0;
}
int findBackwards(DocIterator & cur, MatchString const & match,
bool find_del = true)
{
while (cur) {
cur.backwardChar();
if (cur.inTexted()) {
int len = match(cur.paragraph(), cur.pos(), find_del);
if (len > 0)
return len;
}
}
return 0;
}
bool searchAllowed(docstring const & str)
{
if (str.empty()) {
frontend::Alert::error(_("Search error"), _("Search string is empty"));
return false;
}
return true;
}
bool findOne(BufferView * bv, docstring const & searchstr,
bool case_sens, bool whole, bool forward,
bool find_del = true, bool check_wrap = false)
{
if (!searchAllowed(searchstr))
return false;
DocIterator cur = forward
? bv->cursor().selectionEnd()
: bv->cursor().selectionBegin();
MatchString const match(searchstr, case_sens, whole);
int match_len = forward
? findForward(cur, match, find_del)
: findBackwards(cur, match, find_del);
if (match_len > 0)
bv->putSelectionAt(cur, match_len, !forward);
else if (check_wrap) {
DocIterator cur_orig(bv->cursor());
docstring q;
if (forward)
q = _("End of file reached while searching forward.\n"
"Continue searching from the beginning?");
else
q = _("Beginning of file reached while searching backward.\n"
"Continue searching from the end?");
int wrap_answer = frontend::Alert::prompt(_("Wrap search?"),
q, 0, 1, _("&Yes"), _("&No"));
if (wrap_answer == 0) {
if (forward) {
bv->cursor().clear();
bv->cursor().push_back(CursorSlice(bv->buffer().inset()));
} else {
bv->cursor().setCursor(doc_iterator_end(&bv->buffer()));
bv->cursor().backwardPos();
}
bv->clearSelection();
if (findOne(bv, searchstr, case_sens, whole, forward, find_del, false))
return true;
}
bv->cursor().setCursor(cur_orig);
return false;
}
return match_len > 0;
}
int replaceAll(BufferView * bv,
docstring const & searchstr, docstring const & replacestr,
bool case_sens, bool whole)
{
Buffer & buf = bv->buffer();
if (!searchAllowed(searchstr) || buf.isReadonly())
return 0;
DocIterator cur_orig(bv->cursor());
MatchString const match(searchstr, case_sens, whole);
int num = 0;
int const rsize = replacestr.size();
int const ssize = searchstr.size();
Cursor cur(*bv);
cur.setCursor(doc_iterator_begin(&buf));
int match_len = findForward(cur, match, false);
while (match_len > 0) {
// Backup current cursor position and font.
pos_type const pos = cur.pos();
Font const font = cur.paragraph().getFontSettings(buf.params(), pos);
cur.recordUndo();
int striked = ssize -
cur.paragraph().eraseChars(pos, pos + match_len,
buf.params().track_changes);
cur.paragraph().insert(pos, replacestr, font,
Change(buf.params().track_changes
? Change::INSERTED
: Change::UNCHANGED));
for (int i = 0; i < rsize + striked; ++i)
cur.forwardChar();
++num;
match_len = findForward(cur, match, false);
}
bv->putSelectionAt(doc_iterator_begin(&buf), 0, false);
cur_orig.fixIfBroken();
bv->setCursor(cur_orig);
return num;
}
// the idea here is that we are going to replace the string that
// is selected IF it is the search string.
// if there is a selection, but it is not the search string, then
// we basically ignore it. (FIXME We ought to replace only within
// the selection.)
// if there is no selection, then:
// (i) if some search string has been provided, then we find it.
// (think of how the dialog works when you hit "replace" the
// first time.)
// (ii) if no search string has been provided, then we treat the
// word the cursor is in as the search string. (why? i have no
// idea.) but this only works in text?
//
// returns the number of replacements made (one, if any) and
// whether anything at all was done.
pair<bool, int> replaceOne(BufferView * bv, docstring searchstr,
docstring const & replacestr, bool case_sens,
bool whole, bool forward, bool findnext)
{
Cursor & cur = bv->cursor();
bool found = false;
if (!cur.selection()) {
// no selection, non-empty search string: find it
if (!searchstr.empty()) {
found = findOne(bv, searchstr, case_sens, whole, forward, true, findnext);
return make_pair(found, 0);
}
// empty search string
if (!cur.inTexted())
// bail in math
return make_pair(false, 0);
// select current word and treat it as the search string.
// This causes a minor bug as undo will restore this selection,
// which the user did not create (#8986).
cur.innerText()->selectWord(cur, WHOLE_WORD);
searchstr = cur.selectionAsString(false);
}
// if we still don't have a search string, report the error
// and abort.
if (!searchAllowed(searchstr))
return make_pair(false, 0);
bool have_selection = cur.selection();
docstring const selected = cur.selectionAsString(false);
bool match =
case_sens
? searchstr == selected
: compare_no_case(searchstr, selected) == 0;
// no selection or current selection is not search word:
// just find the search word
if (!have_selection || !match) {
found = findOne(bv, searchstr, case_sens, whole, forward, true, findnext);
return make_pair(found, 0);
}
// we're now actually ready to replace. if the buffer is
// read-only, we can't, though.
if (bv->buffer().isReadonly())
return make_pair(false, 0);
cap::replaceSelectionWithString(cur, replacestr);
if (forward) {
cur.pos() += replacestr.length();
LASSERT(cur.pos() <= cur.lastpos(),
cur.pos() = cur.lastpos());
}
if (findnext)
findOne(bv, searchstr, case_sens, whole, forward, false, findnext);
return make_pair(true, 1);
}
} // namespace
docstring const find2string(docstring const & search,
bool casesensitive, bool matchword, bool forward)
{
odocstringstream ss;
ss << search << '\n'
<< int(casesensitive) << ' '
<< int(matchword) << ' '
<< int(forward);
return ss.str();
}
docstring const replace2string(docstring const & replace,
docstring const & search,
bool casesensitive, bool matchword,
bool all, bool forward, bool findnext)
{
odocstringstream ss;
ss << replace << '\n'
<< search << '\n'
<< int(casesensitive) << ' '
<< int(matchword) << ' '
<< int(all) << ' '
<< int(forward) << ' '
<< int(findnext);
return ss.str();
}
bool lyxfind(BufferView * bv, FuncRequest const & ev)
{
if (!bv || ev.action() != LFUN_WORD_FIND)
return false;
//lyxerr << "find called, cmd: " << ev << endl;
// data is of the form
// "<search>
// <casesensitive> <matchword> <forward>"
docstring search;
docstring howto = split(ev.argument(), search, '\n');
bool casesensitive = parse_bool(howto);
bool matchword = parse_bool(howto);
bool forward = parse_bool(howto);
return findOne(bv, search, casesensitive, matchword, forward, true, true);
}
bool lyxreplace(BufferView * bv,
FuncRequest const & ev, bool has_deleted)
{
if (!bv || ev.action() != LFUN_WORD_REPLACE)
return false;
// data is of the form
// "<search>
// <replace>
// <casesensitive> <matchword> <all> <forward> <findnext>"
docstring search;
docstring rplc;
docstring howto = split(ev.argument(), rplc, '\n');
howto = split(howto, search, '\n');
bool casesensitive = parse_bool(howto);
bool matchword = parse_bool(howto);
bool all = parse_bool(howto);
bool forward = parse_bool(howto);
bool findnext = howto.empty() ? true : parse_bool(howto);
bool update = false;
if (!has_deleted) {
int replace_count = 0;
if (all) {
replace_count = replaceAll(bv, search, rplc, casesensitive, matchword);
update = replace_count > 0;
} else {
pair<bool, int> rv =
replaceOne(bv, search, rplc, casesensitive, matchword, forward, findnext);
update = rv.first;
replace_count = rv.second;
}
Buffer const & buf = bv->buffer();
if (!update) {
// emit message signal.
buf.message(_("String not found."));
} else {
if (replace_count == 0) {
buf.message(_("String found."));
} else if (replace_count == 1) {
buf.message(_("String has been replaced."));
} else {
docstring const str =
bformat(_("%1$d strings have been replaced."), replace_count);
buf.message(str);
}
}
} else if (findnext) {
// if we have deleted characters, we do not replace at all, but
// rather search for the next occurence
if (findOne(bv, search, casesensitive, matchword, forward, true, findnext))
update = true;
else
bv->message(_("String not found."));
}
return update;
}
bool findNextChange(BufferView * bv, Cursor & cur, bool const check_wrap)
{
for (; cur; cur.forwardPos())
if (cur.inTexted() && cur.paragraph().isChanged(cur.pos()))
return true;
if (check_wrap) {
DocIterator cur_orig(bv->cursor());
docstring q = _("End of file reached while searching forward.\n"
"Continue searching from the beginning?");
int wrap_answer = frontend::Alert::prompt(_("Wrap search?"),
q, 0, 1, _("&Yes"), _("&No"));
if (wrap_answer == 0) {
bv->cursor().clear();
bv->cursor().push_back(CursorSlice(bv->buffer().inset()));
bv->clearSelection();
cur.setCursor(bv->cursor().selectionBegin());
if (findNextChange(bv, cur, false))
return true;
}
bv->cursor().setCursor(cur_orig);
}
return false;
}
bool findPreviousChange(BufferView * bv, Cursor & cur, bool const check_wrap)
{
for (cur.backwardPos(); cur; cur.backwardPos()) {
if (cur.inTexted() && cur.paragraph().isChanged(cur.pos()))
return true;
}
if (check_wrap) {
DocIterator cur_orig(bv->cursor());
docstring q = _("Beginning of file reached while searching backward.\n"
"Continue searching from the end?");
int wrap_answer = frontend::Alert::prompt(_("Wrap search?"),
q, 0, 1, _("&Yes"), _("&No"));
if (wrap_answer == 0) {
bv->cursor().setCursor(doc_iterator_end(&bv->buffer()));
bv->cursor().backwardPos();
bv->clearSelection();
cur.setCursor(bv->cursor().selectionBegin());
if (findPreviousChange(bv, cur, false))
return true;
}
bv->cursor().setCursor(cur_orig);
}
return false;
}
bool selectChange(Cursor & cur, bool forward)
{
if (!cur.inTexted() || !cur.paragraph().isChanged(cur.pos()))
return false;
Change ch = cur.paragraph().lookupChange(cur.pos());
CursorSlice tip1 = cur.top();
for (; tip1.pit() < tip1.lastpit() || tip1.pos() < tip1.lastpos(); tip1.forwardPos()) {
Change ch2 = tip1.paragraph().lookupChange(tip1.pos());
if (!ch2.isSimilarTo(ch))
break;
}
CursorSlice tip2 = cur.top();
for (; tip2.pit() > 0 || tip2.pos() > 0;) {
tip2.backwardPos();
Change ch2 = tip2.paragraph().lookupChange(tip2.pos());
if (!ch2.isSimilarTo(ch)) {
// take a step forward to correctly set the selection
tip2.forwardPos();
break;
}
}
if (forward)
swap(tip1, tip2);
cur.top() = tip1;
cur.bv().mouseSetCursor(cur, false);
cur.top() = tip2;
cur.bv().mouseSetCursor(cur, true);
return true;
}
namespace {
bool findChange(BufferView * bv, bool forward)
{
Cursor cur(*bv);
cur.setCursor(forward ? bv->cursor().selectionEnd()
: bv->cursor().selectionBegin());
forward ? findNextChange(bv, cur, true) : findPreviousChange(bv, cur, true);
return selectChange(cur, forward);
}
} // namespace
bool findNextChange(BufferView * bv)
{
return findChange(bv, true);
}
bool findPreviousChange(BufferView * bv)
{
return findChange(bv, false);
}
namespace {
typedef vector<pair<string, string> > Escapes;
/// A map of symbols and their escaped equivalent needed within a regex.
/// @note Beware of order
Escapes const & get_regexp_escapes()
{
typedef std::pair<std::string, std::string> P;
static Escapes escape_map;
if (escape_map.empty()) {
escape_map.push_back(P("$", "_x_$"));
escape_map.push_back(P("{", "_x_{"));
escape_map.push_back(P("}", "_x_}"));
escape_map.push_back(P("[", "_x_["));
escape_map.push_back(P("]", "_x_]"));
escape_map.push_back(P("(", "_x_("));
escape_map.push_back(P(")", "_x_)"));
escape_map.push_back(P("+", "_x_+"));
escape_map.push_back(P("*", "_x_*"));
escape_map.push_back(P(".", "_x_."));
escape_map.push_back(P("\\", "(?:\\\\|\\\\backslash)"));
escape_map.push_back(P("~", "(?:\\\\textasciitilde|\\\\sim)"));
escape_map.push_back(P("^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\textasciicircum|\\\\mathcircumflex)"));
escape_map.push_back(P("_x_", "\\"));
}
return escape_map;
}
/// A map of lyx escaped strings and their unescaped equivalent.
Escapes const & get_lyx_unescapes()
{
typedef std::pair<std::string, std::string> P;
static Escapes escape_map;
if (escape_map.empty()) {
escape_map.push_back(P("\\%", "%"));
escape_map.push_back(P("\\mathcircumflex ", "^"));
escape_map.push_back(P("\\mathcircumflex", "^"));
escape_map.push_back(P("\\backslash ", "\\"));
escape_map.push_back(P("\\backslash", "\\"));
escape_map.push_back(P("\\\\{", "_x_<"));
escape_map.push_back(P("\\\\}", "_x_>"));
escape_map.push_back(P("\\sim ", "~"));
escape_map.push_back(P("\\sim", "~"));
}
return escape_map;
}
/// A map of escapes turning a regexp matching text to one matching latex.
Escapes const & get_regexp_latex_escapes()
{
typedef std::pair<std::string, std::string> P;
static Escapes escape_map;
if (escape_map.empty()) {
escape_map.push_back(P("\\\\", "(?:\\\\\\\\|\\\\backslash|\\\\textbackslash\\{\\}|\\\\textbackslash)"));
escape_map.push_back(P("(<?!\\\\\\\\textbackslash)\\{", "\\\\\\{"));
escape_map.push_back(P("(<?!\\\\\\\\textbackslash\\\\\\{)\\}", "\\\\\\}"));
escape_map.push_back(P("\\[", "\\{\\[\\}"));
escape_map.push_back(P("\\]", "\\{\\]\\}"));
escape_map.push_back(P("\\^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\textasciicircum|\\\\mathcircumflex)"));
escape_map.push_back(P("%", "\\\\\\%"));
escape_map.push_back(P("#", "\\\\#"));
}
return escape_map;
}
/** @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();
string t;
if (new_pos > pos) {
LYXERR(Debug::FIND, "new_pos: " << new_pos);
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);
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, regex_constants::ECMAScript);
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;
}
class MatchResult {
public:
int match_len;
int match2end;
int pos;
MatchResult(): match_len(0),match2end(0), pos(0) {};
};
/** 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.
**/
MatchResult 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)
MatchResult 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());
OutputParams runparams(encodings.fromLyXName("utf8"));
odocstringstream ods;
otexstream os(ods);
runparams.nice = true;
runparams.flavor = OutputParams::XETEX;
runparams.linelen = 10000; //lyxrc.plaintext_linelen;
// No side effect of file copying and image conversion
runparams.dryrun = true;
runparams.for_search = 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());
OutputParams runparams(encodings.fromLyXName("utf8"));
runparams.nice = true;
runparams.flavor = OutputParams::XETEX;
runparams.linelen = 10000; //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]
// Kornel: Added textsl, textsf, textit, texttt and noun
// + allow to search for colored text too
while (regex_replace(t, t, REGEX_BOS "\\\\(((footnotesize|tiny|scriptsize|small|large|Large|LARGE|huge|Huge|emph|noun|minisec|text(bf|md|sl|sf|it|tt))|((textcolor|foreignlanguage|latexenvironment)\\{[a-z]+\\*?\\})|(u|uu)line|(s|x)out|uwave)|((sub)?(((sub)?section)|paragraph)|part|chapter)\\*?)\\{", "")
|| regex_replace(t, t, REGEX_BOS "\\$", "")
|| regex_replace(t, t, REGEX_BOS "\\\\\\[ ", "")
|| regex_replace(t, t, REGEX_BOS " ?\\\\item\\{[a-z]+\\}", "")
|| regex_replace(t, t, REGEX_BOS "\\\\begin\\{[a-zA-Z_]*\\*?\\} ", ""))
;
LYXERR(Debug::FIND, " after removing leading $, \\[ , \\emph{, \\textbf{, etc.: '" << t << "'");
return s.find(t);
}
/*
* Given a latexified string, retrieve some handled features
* The features of the regex will later be compared with the features
* of the searched text. If the regex features are not a
* subset of the analized, then, in not format ignoring search
* we can early stop the search in the relevant inset.
*/
typedef map<string, bool> Features;
static Features identifyFeatures(string const & s)
{
static regex const feature("\\\\(([a-zA-Z]+(\\{([a-z]+\\*?)\\}|\\*)?))\\{");
static regex const valid("^("
"("
"(footnotesize|tiny|scriptsize|small|large|Large|LARGE|huge|Huge|"
"emph|noun|text(bf|md|sl|sf|it|tt)|"
"(textcolor|foreignlanguage|item|listitem|latexenvironment)\\{[a-z]+\\*?\\})|"
"(u|uu)line|(s|x)out|uwave|"
"(sub|extra)?title|author|subject|publishers|dedication|(upper|lower)titleback|lyx(right)?address)|"
"((sub)?(((sub)?section)|paragraph)|part|chapter|lyxslide)\\*?)$");
smatch sub;
bool displ = true;
Features info;
for (sregex_iterator it(s.begin(), s.end(), feature), end; it != end; ++it) {
sub = *it;
if (displ) {
if (sub.str(1).compare("regexp") == 0) {
displ = false;
continue;
}
string token = sub.str(1);
smatch sub2;
if (regex_match(token, sub2, valid)) {
info[token] = true;
}
else {
// ignore
}
}
else {
if (sub.str(1).compare("endregexp") == 0) {
displ = true;
continue;
}
}
}
return info;
}
/*
* defines values features of a key "\\[a-z]+{"
*/
class KeyInfo {
public:
enum KeyType {
/* Char type with content discarded
* like \hspace{1cm} */
noContent,
/* Char, like \backslash */
isChar,
/* \part, \section*, ... */
isSectioning,
/* title, author etc */
isTitle,
/* \foreignlanguage{ngerman}, ... */
isMain,
/* inside \code{}
* to discard language in content */
noMain,
isRegex,
/* \begin{eqnarray}...\end{eqnarray}, ... $...$ */
isMath,
/* fonts, colors, markups, ... */
isStandard,
/* footnotesize, ... large, ...
* Ignore all of them */
isSize,
invalid,
/* inputencoding, ...
* Discard also content, because they do not help in search */
doRemove,
/* twocolumns, ...
* like remove, but also all arguments */
removeWithArg,
/* item, listitem */
isList,
/* tex, latex, ... like isChar */
isIgnored,
/* like \lettrine[lines=5]{}{} */
cleanToStart,
/* End of arguments marker for lettrine,
* so that they can be ignored */
endArguments
};
KeyInfo()
: keytype(invalid),
head(""),
_tokensize(-1),
_tokenstart(-1),
_dataStart(-1),
_dataEnd(-1),
parenthesiscount(1),
disabled(false),
used(false)
{};
KeyInfo(KeyType type, int parcount, bool disable)
: keytype(type),
_tokensize(-1),
_tokenstart(-1),
_dataStart(-1),
_dataEnd(-1),
parenthesiscount(parcount),
disabled(disable),
used(false) {};
KeyType keytype;
string head;
int _tokensize;
int _tokenstart;
int _dataStart;
int _dataEnd;
int parenthesiscount;
bool disabled;
bool used; /* by pattern */
};
class Border {
public:
Border(int l=0, int u=0) : low(l), upper(u) {};
int low;
int upper;
};
#define MAXOPENED 30
class Intervall {
bool isPatternString_;
public:
explicit Intervall(bool isPattern, string const & p) :
isPatternString_(isPattern), par(p), ignoreidx(-1), actualdeptindex(0),
hasTitle(false), langcount(0)
{
depts[0] = 0;
closes[0] = 0;
}
string par;
int ignoreidx;
static vector<Border> borders;
int depts[MAXOPENED];
int closes[MAXOPENED];
int actualdeptindex;
int previousNotIgnored(int);
int nextNotIgnored(int);
void handleOpenP(int i);
void handleCloseP(int i, bool closingAllowed);
void resetOpenedP(int openPos);
void addIntervall(int upper);
void addIntervall(int low, int upper); /* if explicit */
void removeAccents();
void setForDefaultLang(KeyInfo &defLang);
int findclosing(int start, int end, char up, char down, int repeat);
void handleParentheses(int lastpos, bool closingAllowed);
bool hasTitle;
int langcount; // Number of disabled language specs up to current position in actual interval
int isOpeningPar(int pos);
string titleValue;
void output(ostringstream &os, int lastpos);
// string show(int lastpos);
};
vector<Border> Intervall::borders = vector<Border>(30);
int Intervall::isOpeningPar(int pos)
{
if ((pos < 0) || (size_t(pos) >= par.size()))
return 0;
if (par[pos] != '{')
return 0;
if (size_t(pos) + 2 >= par.size())
return 1;
if (par[pos+2] != '}')
return 1;
if (par[pos+1] == '[' || par[pos+1] == ']')
return 3;
return 1;
}
void Intervall::setForDefaultLang(KeyInfo &defLang)
{
// Enable the use of first token again
if (ignoreidx >= 0) {
int value = defLang._tokenstart + defLang._tokensize;
if (value > 0) {
if (borders[0].low < value)
borders[0].low = value;
if (borders[0].upper < value)
borders[0].upper = value;
}
}
}
static void checkDepthIndex(int val)
{
static int maxdepthidx = MAXOPENED-2;
static int lastmaxdepth = 0;
if (val > lastmaxdepth) {
LYXERR0("Depth reached " << val);
lastmaxdepth = val;
}
if (val > maxdepthidx) {
maxdepthidx = val;
LYXERR0("maxdepthidx now " << val);
}
}
#if 0
// Not needed, because borders are now dynamically expanded
static void checkIgnoreIdx(int val)
{
static int lastmaxignore = -1;
if ((lastmaxignore < val) && (size_t(val+1) >= borders.size())) {
LYXERR0("IgnoreIdx reached " << val);
lastmaxignore = val;
}
}
#endif
/*
* Expand the region of ignored parts of the input latex string
* The region is only relevant in output()
*/
void Intervall::addIntervall(int low, int upper)
{
int idx;
if (low == upper) return;
for (idx = ignoreidx+1; idx > 0; --idx) {
if (low > borders[idx-1].upper) {
break;
}
}
Border br(low, upper);
if (idx > ignoreidx) {
if (borders.size() <= size_t(idx)) {
borders.push_back(br);
}
else {
borders[idx] = br;
}
ignoreidx = idx;
// checkIgnoreIdx(ignoreidx);
return;
}
else {
// Expand only if one of the new bound is inside the interwall
// We know here that br.low > borders[idx-1].upper
if (br.upper < borders[idx].low) {
// We have to insert at this pos
if (size_t(ignoreidx+1) >= borders.size()) {
borders.push_back(borders[ignoreidx]);
}
else {
borders[ignoreidx+1] = borders[ignoreidx];
}
for (int i = ignoreidx; i > idx; --i) {
borders[i] = borders[i-1];
}
borders[idx] = br;
ignoreidx += 1;
// checkIgnoreIdx(ignoreidx);
return;
}
// Here we know, that we are overlapping
if (br.low > borders[idx].low)
br.low = borders[idx].low;
// check what has to be concatenated
int count = 0;
for (int i = idx; i <= ignoreidx; i++) {
if (br.upper >= borders[i].low) {
count++;
if (br.upper < borders[i].upper)
br.upper = borders[i].upper;
}
else {
break;
}
}
// count should be >= 1 here
borders[idx] = br;
if (count > 1) {
for (int i = idx + count; i <= ignoreidx; i++) {
borders[i-count+1] = borders[i];
}
ignoreidx -= count - 1;
return;
}
}
}
typedef map<string, string> AccentsMap;
static AccentsMap accents = map<string, string>();
static void buildaccent(string n, string param, string values)
{
stringstream s(n);
string name;
const char delim = '|';
while (getline(s, name, delim)) {
size_t start = 0;
for (size_t i = 0; i < param.size(); i++) {
string key = name + "{" + param[i] + "}";
// get the corresponding utf8-value
if ((values[start] & 0xc0) != 0xc0) {
// should not happen, utf8 encoding starts at least with 11xxxxxx
// but value for '\dot{i}' is 'i', which is ascii
if ((values[start] & 0x80) == 0) {
// is ascii
accents[key] = values.substr(start, 1);
// LYXERR0("" << key << "=" << accents[key]);
}
start++;
continue;
}
for (int j = 1; ;j++) {
if (start + j >= values.size()) {
accents[key] = values.substr(start, j);
start = values.size() - 1;
break;
}
else if ((values[start+j] & 0xc0) != 0x80) {
// This is the first byte of following utf8 char
accents[key] = values.substr(start, j);
start += j;
// LYXERR0("" << key << "=" << accents[key]);
break;
}
}
}
}
}
static void buildAccentsMap()
{
accents["imath"] = "ı";
accents["i"] = "ı";
accents["jmath"] = "ȷ";
accents["lyxmathsym{ß}"] = "ß";
accents["text{ß}"] = "ß";
accents["ddot{\\imath}"] = "ï";
buildaccent("ddot", "aAeEhHiIioOtuUwWxXyY",
"äÄëËḧḦïÏïöÖẗüÜẅẄẍẌÿŸ"); // umlaut
buildaccent("dot|.", "aAbBcCdDeEfFGghHIimMnNoOpPrRsStTwWxXyYzZ",
"ȧȦḃḂċĊḋḊėĖḟḞĠġḣḢİİṁṀṅṄȯȮṗṖṙṘṡṠṫṪẇẆẋẊẏẎżŻ"); // dot{i} can only happen if ignoring case, but there is no lowercase of 'İ'
accents["acute{\\imath}"] = "í";
buildaccent("acute", "aAcCeEgGkKlLmMoOnNpPrRsSuUwWyYzZiI",
"áÁćĆéÉǵǴḱḰĺĹḿḾóÓńŃṕṔŕŔśŚúÚẃẂýÝźŹíÍ");
buildaccent("dacute|H|h", "oOuU", "őŐűŰ"); // double acute
buildaccent("mathring|r", "aAuUwy",
"åÅůŮẘẙ"); // ring
accents["check{\\imath}"] = "ǐ";
accents["check{\\jmath}"] = "ǰ";
buildaccent("check|v", "cCdDaAeEiIoOuUgGkKhHlLnNrRsSTtzZ",
"čČďĎǎǍěĚǐǏǒǑǔǓǧǦǩǨȟȞľĽňŇřŘšŠŤťžŽ"); // caron
accents["hat{\\imath}"] = "î";
accents["hat{\\jmath}"] = "ĵ";
buildaccent("hat|^", "aAcCeEgGhHiIjJoOsSuUwWyYzZ",
"âÂĉĈêÊĝĜĥĤîÎĵĴôÔŝŜûÛŵŴŷŶẑẐ"); // circ
accents["bar{\\imath}"] = "ī";
buildaccent("bar|=", "aAeEiIoOuUyY",
"āĀēĒīĪōŌūŪȳȲ"); // macron
accents["tilde{\\imath}"] = "ĩ";
buildaccent("tilde", "aAeEiInNoOuUvVyY",
"ãÃẽẼĩĨñÑõÕũŨṽṼỹỸ"); // tilde
accents["breve{\\imath}"] = "ĭ";
buildaccent("breve|u", "aAeEgGiIoOuU",
"ăĂĕĔğĞĭĬŏŎŭŬ"); // breve
accents["grave{\\imath}"] = "ì";
buildaccent("grave|`", "aAeEiIoOuUnNwWyY",
"àÀèÈìÌòÒùÙǹǸẁẀỳỲ"); // grave
buildaccent("subdot|d", "BbDdHhKkLlMmNnRrSsTtVvWwZzAaEeIiOoUuYy",
"ḄḅḌḍḤḥḲḳḶḷṂṃṆṇṚṛṢṣṬṭṾṿẈẉẒẓẠạẸẹỊịỌọỤụỴỵ"); // dot below
buildaccent("ogonek|k", "AaEeIiUuOo",
"ĄąĘęĮįŲųǪǫ"); // ogonek
buildaccent("cedilla|c", "CcGgKkLlNnRrSsTtEeDdHh",
"ÇçĢĢĶķĻļŅņŖŗŞşŢţȨȩḐḑḨḩ"); // cedilla
buildaccent("subring|textsubring", "Aa",
"Ḁḁ"); // subring
buildaccent("subhat|textsubcircum", "DdEeLlNnTtUu",
"ḒḓḘḙḼḽṊṋṰṱṶṷ"); // subcircum
buildaccent("subtilde|textsubtilde", "EeIiUu",
"ḚḛḬḭṴṵ"); // subtilde
accents["dgrave{\\imath}"] = "ȉ";
accents["textdoublegrave{\\i}"] = "ȉ";
buildaccent("dgrave|textdoublegrave", "AaEeIiOoRrUu",
"ȀȁȄȅȈȉȌȍȐȑȔȕ"); // double grave
accents["rcap{\\imath}"] = "ȉ";
accents["textroundcap{\\i}"] = "ȉ";
buildaccent("rcap|textroundcap", "AaEeIiOoRrUu",
"ȂȃȆȇȊȋȎȏȒȓȖȗ"); // inverted breve
buildaccent("slashed", "oO",
"øØ"); // slashed
}
/*
* Created accents in math or regexp environment
* are macros, but we need the utf8 equivalent
*/
void Intervall::removeAccents()
{
if (accents.empty())
buildAccentsMap();
static regex const accre("\\\\(([\\S]|grave|breve|lyxmathsym|text|ddot|dot|acute|dacute|mathring|check|hat|bar|tilde|subdot|ogonek|cedilla|subring|textsubring|subhat|textsubcircum|subtilde|textsubtilde|dgrave|textdoublegrave|rcap|textroundcap|slashed)\\{[^\\{\\}]+\\}|(i|imath|jmath)(?![a-zA-Z]))");
smatch sub;
for (sregex_iterator itacc(par.begin(), par.end(), accre), end; itacc != end; ++itacc) {
sub = *itacc;
string key = sub.str(1);
if (accents.find(key) != accents.end()) {
string val = accents[key];
size_t pos = sub.position(size_t(0));
for (size_t i = 0; i < val.size(); i++) {
par[pos+i] = val[i];
}
addIntervall(pos+val.size(), pos + sub.str(0).size());
for (size_t i = pos+val.size(); i < pos + sub.str(0).size(); i++) {
// remove traces of any remaining chars
par[i] = ' ';
}
}
else {
LYXERR0("Not added accent for \"" << key << "\"");
}
}
}
void Intervall::handleOpenP(int i)
{
actualdeptindex++;
depts[actualdeptindex] = i+1;
closes[actualdeptindex] = -1;
checkDepthIndex(actualdeptindex);
}
void Intervall::handleCloseP(int i, bool closingAllowed)
{
if (actualdeptindex <= 0) {
if (! closingAllowed)
LYXERR(Debug::FIND, "Bad closing parenthesis in latex"); /* should not happen, but the latex input may be wrong */
// if we are at the very end
addIntervall(i, i+1);
}
else {
closes[actualdeptindex] = i+1;
actualdeptindex--;
}
}
void Intervall::resetOpenedP(int openPos)
{
// Used as initializer for foreignlanguage entry
actualdeptindex = 1;
depts[1] = openPos+1;
closes[1] = -1;
}
int Intervall::previousNotIgnored(int start)
{
int idx = 0; /* int intervalls */
for (idx = ignoreidx; idx >= 0; --idx) {
if (start > borders[idx].upper)
return start;
if (start >= borders[idx].low)
start = borders[idx].low-1;
}
return start;
}
int Intervall::nextNotIgnored(int start)
{
int idx = 0; /* int intervalls */
for (idx = 0; idx <= ignoreidx; idx++) {
if (start < borders[idx].low)
return start;
if (start < borders[idx].upper)
start = borders[idx].upper;
}
return start;
}
typedef map<string, KeyInfo> KeysMap;
typedef vector< KeyInfo> Entries;
static KeysMap keys = map<string, KeyInfo>();
class LatexInfo {
private:
int entidx_;
Entries entries_;
Intervall interval_;
void buildKeys(bool);
void buildEntries(bool);
void makeKey(const string &, KeyInfo, bool isPatternString);
void processRegion(int start, int region_end); /* remove {} parts */
void removeHead(KeyInfo&, int count=0);
public:
LatexInfo(string const & par, bool isPatternString)
: entidx_(-1), interval_(isPatternString, par)
{
buildKeys(isPatternString);
entries_ = vector<KeyInfo>();
buildEntries(isPatternString);
};
int getFirstKey() {
entidx_ = 0;
if (entries_.empty()) {
return -1;
}
if (entries_[0].keytype == KeyInfo::isTitle) {
if (! entries_[0].disabled) {
interval_.hasTitle = true;
interval_.titleValue = entries_[0].head;
}
else {
interval_.hasTitle = false;
interval_.titleValue = "";
}
removeHead(entries_[0]);
if (entries_.size() > 1)
return 1;
else
return -1;
}
return 0;
};
int getNextKey() {
entidx_++;
if (int(entries_.size()) > entidx_) {
return entidx_;
}
else {
return -1;
}
};
bool setNextKey(int idx) {
if ((idx == entidx_) && (entidx_ >= 0)) {
entidx_--;
return true;
}
else
return false;
};
int find(int start, KeyInfo::KeyType keytype) {
if (start < 0)
return -1;
int tmpIdx = start;
while (tmpIdx < int(entries_.size())) {
if (entries_[tmpIdx].keytype == keytype)
return tmpIdx;
tmpIdx++;
}
return -1;
};
int process(ostringstream &os, KeyInfo &actual);
int dispatch(ostringstream &os, int previousStart, KeyInfo &actual);
// string show(int lastpos) { return interval.show(lastpos);};
int nextNotIgnored(int start) { return interval_.nextNotIgnored(start);};
KeyInfo &getKeyInfo(int keyinfo) {
static KeyInfo invalidInfo = KeyInfo();
if ((keyinfo < 0) || ( keyinfo >= int(entries_.size())))
return invalidInfo;
else
return entries_[keyinfo];
};
void setForDefaultLang(KeyInfo &defLang) {interval_.setForDefaultLang(defLang);};
void addIntervall(int low, int up) { interval_.addIntervall(low, up); };
};
int Intervall::findclosing(int start, int end, char up = '{', char down = '}', int repeat = 1)
{
int skip = 0;
int depth = 0;
for (int i = start; i < end; i += 1 + skip) {
char c;
c = par[i];
skip = 0;
if (c == '\\') skip = 1;
else if (c == up) {
depth++;
}
else if (c == down) {
if (depth == 0) {
repeat--;
if ((repeat <= 0) || (par[i+1] != up))
return i;
}
--depth;
}
}
return end;
}
class MathInfo {
class MathEntry {
public:
string wait;
size_t mathEnd;
size_t mathStart;
size_t mathSize;
};
size_t actualIdx_;
vector<MathEntry> entries_;
public:
MathInfo() {
actualIdx_ = 0;
}
void insert(string const & wait, size_t start, size_t end) {
MathEntry m = MathEntry();
m.wait = wait;
m.mathStart = start;
m.mathEnd = end;
m.mathSize = end - start;
entries_.push_back(m);
}
bool empty() { return entries_.empty(); };
size_t getEndPos() {
if (entries_.empty() || (actualIdx_ >= entries_.size())) {
return 0;
}
return entries_[actualIdx_].mathEnd;
}
size_t getStartPos() {
if (entries_.empty() || (actualIdx_ >= entries_.size())) {
return 100000; /* definitely enough? */
}
return entries_[actualIdx_].mathStart;
}
size_t getFirstPos() {
actualIdx_ = 0;
return getStartPos();
}
size_t getSize() {
if (entries_.empty() || (actualIdx_ >= entries_.size())) {
return size_t(0);
}
return entries_[actualIdx_].mathSize;
}
void incrEntry() { actualIdx_++; };
};
void LatexInfo::buildEntries(bool isPatternString)
{
static regex const rmath("\\$|\\\\\\[|\\\\\\]|\\\\(begin|end)\\{((eqnarray|equation|flalign|gather|multline|align|alignat)\\*?)\\}");
static regex const rkeys("\\$|\\\\\\[|\\\\\\]|\\\\((([a-zA-Z]+\\*?)(\\{([a-z]+\\*?)\\}|=[0-9]+[a-z]+)?))");
static bool disableLanguageOverride = false;
smatch sub, submath;
bool evaluatingRegexp = false;
MathInfo mi;
bool evaluatingMath = false;
bool evaluatingCode = false;
size_t codeEnd = 0;
bool evaluatingOptional = false;
size_t optionalEnd = 0;
int codeStart = -1;
KeyInfo found;
bool math_end_waiting = false;
size_t math_pos = 10000;
string math_end;
interval_.removeAccents();
for (sregex_iterator itmath(interval_.par.begin(), interval_.par.end(), rmath), end; itmath != end; ++itmath) {
submath = *itmath;
if (math_end_waiting) {
size_t pos = submath.position(size_t(0));
if ((math_end == "$") &&
(submath.str(0) == "$") &&
(interval_.par[pos-1] != '\\')) {
mi.insert("$", math_pos, pos + 1);
math_end_waiting = false;
}
else if ((math_end == "\\]") &&
(submath.str(0) == "\\]")) {
mi.insert("\\]", math_pos, pos + 2);
math_end_waiting = false;
}
else if ((submath.str(1).compare("end") == 0) &&
(submath.str(2).compare(math_end) == 0)) {
mi.insert(math_end, math_pos, pos + submath.str(0).length());
math_end_waiting = false;
}
else
continue;
}
else {
if (submath.str(1).compare("begin") == 0) {
math_end_waiting = true;
math_end = submath.str(2);
math_pos = submath.position(size_t(0));
}
else if (submath.str(0).compare("\\[") == 0) {
math_end_waiting = true;
math_end = "\\]";
math_pos = submath.position(size_t(0));
}
else if (submath.str(0) == "$") {
size_t pos = submath.position(size_t(0));
if ((pos == 0) || (interval_.par[pos-1] != '\\')) {
math_end_waiting = true;
math_end = "$";
math_pos = pos;
}
}
}
}
// Ignore language if there is math somewhere in pattern-string
if (isPatternString) {
if (! mi.empty()) {
// Disable language
keys["foreignlanguage"].disabled = true;
disableLanguageOverride = true;
}
else
disableLanguageOverride = false;
}
else {
if (disableLanguageOverride) {
keys["foreignlanguage"].disabled = true;
}
}
math_pos = mi.getFirstPos();
for (sregex_iterator it(interval_.par.begin(), interval_.par.end(), rkeys), end; it != end; ++it) {
sub = *it;
string key = sub.str(3);
if (key == "") {
if (sub.str(0)[0] == '\\')
key = sub.str(0)[1];
else {
key = sub.str(0);
if (key == "$") {
size_t k_pos = sub.position(size_t(0));
if ((k_pos > 0) && (interval_.par[k_pos - 1] == '\\')) {
// Escaped '$', ignoring
continue;
}
}
}
};
if (evaluatingRegexp) {
if (sub.str(1).compare("endregexp") == 0) {
evaluatingRegexp = false;
// found._tokenstart already set
found._dataEnd = sub.position(size_t(0)) + 13;
found._dataStart = found._dataEnd;
found._tokensize = found._dataEnd - found._tokenstart;
found.parenthesiscount = 0;
found.head = interval_.par.substr(found._tokenstart, found._tokensize);
}
else {
continue;
}
}
else {
if (evaluatingMath) {
if (size_t(sub.position(size_t(0))) < mi.getEndPos())
continue;
evaluatingMath = false;
mi.incrEntry();
math_pos = mi.getStartPos();
}
if (keys.find(key) == keys.end()) {
found = KeyInfo(KeyInfo::isStandard, 0, true);
if (isPatternString) {
found.keytype = KeyInfo::isChar;
found.disabled = false;
found.used = true;
}
keys[key] = found;
}
else
found = keys[key];
if (key.compare("regexp") == 0) {
evaluatingRegexp = true;
found._tokenstart = sub.position(size_t(0));
found._tokensize = 0;
continue;
}
}
// Handle the other params of key
if (found.keytype == KeyInfo::isIgnored)
continue;
else if (found.keytype == KeyInfo::isMath) {
if (size_t(sub.position(size_t(0))) == math_pos) {
found = keys[key];
found._tokenstart = sub.position(size_t(0));
found._tokensize = mi.getSize();
found._dataEnd = found._tokenstart + found._tokensize;
found._dataStart = found._dataEnd;
found.parenthesiscount = 0;
found.head = interval_.par.substr(found._tokenstart, found._tokensize);
evaluatingMath = true;
}
else {
// begin|end of unknown env, discard
// First handle tables
// longtable|tabular
bool discardComment;
found = keys[key];
found.keytype = KeyInfo::doRemove;
if ((sub.str(5).compare("longtable") == 0) ||
(sub.str(5).compare("tabular") == 0)) {
discardComment = true; /* '%' */
}
else {
discardComment = false;
static regex const removeArgs("^(multicols|multipar|sectionbox|subsectionbox|tcolorbox)$");
smatch sub2;
string token = sub.str(5);
if (regex_match(token, sub2, removeArgs)) {
found.keytype = KeyInfo::removeWithArg;
}
}
// discard spaces before pos(0)
int pos = sub.position(size_t(0));
int count;
for (count = 0; pos - count > 0; count++) {
char c = interval_.par[pos-count-1];
if (discardComment) {
if ((c != ' ') && (c != '%'))
break;
}
else if (c != ' ')
break;
}
found._tokenstart = pos - count;
if (sub.str(1).compare(0, 5, "begin") == 0) {
size_t pos1 = pos + sub.str(0).length();
if (sub.str(5).compare("cjk") == 0) {
pos1 = interval_.findclosing(pos1+1, interval_.par.length()) + 1;
if ((interval_.par[pos1] == '{') && (interval_.par[pos1+1] == '}'))
pos1 += 2;
found.keytype = KeyInfo::isMain;
found._dataStart = pos1;
found._dataEnd = interval_.par.length();
found.disabled = keys["foreignlanguage"].disabled;
found.used = keys["foreignlanguage"].used;
found._tokensize = pos1 - found._tokenstart;
found.head = interval_.par.substr(found._tokenstart, found._tokensize);
}
else {
// Swallow possible optional params
while (interval_.par[pos1] == '[') {
pos1 = interval_.findclosing(pos1+1, interval_.par.length(), '[', ']')+1;
}
// Swallow also the eventual parameter
if (interval_.par[pos1] == '{') {
found._dataEnd = interval_.findclosing(pos1+1, interval_.par.length()) + 1;
}
else {
found._dataEnd = pos1;
}
found._dataStart = found._dataEnd;
found._tokensize = count + found._dataEnd - pos;
found.parenthesiscount = 0;
found.head = interval_.par.substr(found._tokenstart, found._tokensize);
found.disabled = true;
}
}
else {
// Handle "\end{...}"
found._dataStart = pos + sub.str(0).length();
found._dataEnd = found._dataStart;
found._tokensize = count + found._dataEnd - pos;
found.parenthesiscount = 0;
found.head = interval_.par.substr(found._tokenstart, found._tokensize);
found.disabled = true;
}
}
}
else if (found.keytype != KeyInfo::isRegex) {
found._tokenstart = sub.position(size_t(0));
if (found.parenthesiscount == 0) {
// Probably to be discarded
size_t following_pos = sub.position(size_t(0)) + sub.str(3).length() + 1;
char following = interval_.par[following_pos];
if (following == ' ')
found.head = "\\" + sub.str(3) + " ";
else if (following == '=') {
// like \uldepth=1000pt
found.head = sub.str(0);
}
else
found.head = "\\" + key;
found._tokensize = found.head.length();
found._dataEnd = found._tokenstart + found._tokensize;
found._dataStart = found._dataEnd;
}
else {
int params = found._tokenstart + key.length() + 1;
if (evaluatingOptional) {
if (size_t(found._tokenstart) > optionalEnd) {
evaluatingOptional = false;
}
else {
found.disabled = true;
}
}
int optend = params;
while (interval_.par[optend] == '[') {
// discard optional parameters
optend = interval_.findclosing(optend+1, interval_.par.length(), '[', ']') + 1;
}
if (optend > params) {
key += interval_.par.substr(params, optend-params);
evaluatingOptional = true;
optionalEnd = optend;
}
string token = sub.str(5);
int closings = found.parenthesiscount;
if (found.parenthesiscount == 1) {
found.head = "\\" + key + "{";
}
else if (found.parenthesiscount > 1) {
if (token != "") {
found.head = sub.str(0) + "{";
closings = found.parenthesiscount - 1;
}
else {
found.head = "\\" + key + "{";
}
}
found._tokensize = found.head.length();
found._dataStart = found._tokenstart + found.head.length();
if (found.keytype == KeyInfo::doRemove) {
int endpar = 2 + interval_.findclosing(found._dataStart, interval_.par.length(), '{', '}', closings);
found._dataStart = endpar;
found._tokensize = found._dataStart - found._tokenstart;
closings = 0;
}
if (interval_.par.substr(found._dataStart-1, 15).compare("\\endarguments{}") == 0) {
found._dataStart += 15;
}
size_t endpos;
if (closings < 1)
endpos = found._dataStart - 1;
else
endpos = interval_.findclosing(found._dataStart, interval_.par.length(), '{', '}', closings);
if (found.keytype == KeyInfo::isList) {
// Check if it really is list env
static regex const listre("^([a-z]+)$");
smatch sub2;
if (!regex_match(token, sub2, listre)) {
// Change the key of this entry. It is not in a list/item environment
found.keytype = KeyInfo::endArguments;
}
}
if (found.keytype == KeyInfo::noMain) {
evaluatingCode = true;
codeEnd = endpos;
codeStart = found._dataStart;
}
else if (evaluatingCode) {
if (size_t(found._dataStart) > codeEnd)
evaluatingCode = false;
else if (found.keytype == KeyInfo::isMain) {
// Disable this key, treate it as standard
found.keytype = KeyInfo::isStandard;
found.disabled = true;
if ((codeEnd == interval_.par.length()) &&
(found._tokenstart == codeStart)) {
// trickery, because the code inset starts
// with \selectlanguage ...
codeEnd = endpos;
if (entries_.size() > 1) {
entries_[entries_.size()-1]._dataEnd = codeEnd;
}
}
}
}
if ((endpos == interval_.par.length()) &&
(found.keytype == KeyInfo::doRemove)) {
// Missing closing => error in latex-input?
// therefore do not delete remaining data
found._dataStart -= 1;
found._dataEnd = found._dataStart;
}
else
found._dataEnd = endpos;
}
if (isPatternString) {
keys[key].used = true;
}
}
entries_.push_back(found);
}
}
void LatexInfo::makeKey(const string &keysstring, KeyInfo keyI, bool isPatternString)
{
stringstream s(keysstring);
string key;
const char delim = '|';
while (getline(s, key, delim)) {
KeyInfo keyII(keyI);
if (isPatternString) {
keyII.used = false;
}
else if ( !keys[key].used)
keyII.disabled = true;
keys[key] = keyII;
}
}
void LatexInfo::buildKeys(bool isPatternString)
{
static bool keysBuilt = false;
if (keysBuilt && !isPatternString) return;
// Known standard keys with 1 parameter.
// Split is done, if not at start of region
makeKey("textsf|textss|texttt", KeyInfo(KeyInfo::isStandard, 1, ignoreFormats.getFamily()), isPatternString);
makeKey("textbf", KeyInfo(KeyInfo::isStandard, 1, ignoreFormats.getSeries()), isPatternString);
makeKey("textit|textsc|textsl", KeyInfo(KeyInfo::isStandard, 1, ignoreFormats.getShape()), isPatternString);
makeKey("uuline|uline|uwave", KeyInfo(KeyInfo::isStandard, 1, ignoreFormats.getUnderline()), isPatternString);
makeKey("emph|noun", KeyInfo(KeyInfo::isStandard, 1, ignoreFormats.getMarkUp()), isPatternString);
makeKey("sout|xout", KeyInfo(KeyInfo::isStandard, 1, ignoreFormats.getStrikeOut()), isPatternString);
makeKey("section|subsection|subsubsection|paragraph|subparagraph|minisec",
KeyInfo(KeyInfo::isSectioning, 1, ignoreFormats.getSectioning()), isPatternString);
makeKey("section*|subsection*|subsubsection*|paragraph*",
KeyInfo(KeyInfo::isSectioning, 1, ignoreFormats.getSectioning()), isPatternString);
makeKey("part|part*|chapter|chapter*", KeyInfo(KeyInfo::isSectioning, 1, ignoreFormats.getSectioning()), isPatternString);
makeKey("title|subtitle|author|subject|publishers|dedication|uppertitleback|lowertitleback|extratitle|lyxaddress|lyxrightaddress", KeyInfo(KeyInfo::isTitle, 1, ignoreFormats.getFrontMatter()), isPatternString);
// Regex
makeKey("regexp", KeyInfo(KeyInfo::isRegex, 1, false), isPatternString);
// Split is done, if not at start of region
makeKey("textcolor", KeyInfo(KeyInfo::isStandard, 2, ignoreFormats.getColor()), isPatternString);
makeKey("latexenvironment", KeyInfo(KeyInfo::isStandard, 2, false), isPatternString);
// Split is done always.
makeKey("foreignlanguage", KeyInfo(KeyInfo::isMain, 2, ignoreFormats.getLanguage()), isPatternString);
// Known charaters
// No split
makeKey("backslash|textbackslash|slash", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
makeKey("textasciicircum|textasciitilde", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
makeKey("textasciiacute|texemdash", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
makeKey("dots|ldots", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
// Spaces
makeKey("quad|qquad|hfill|dotfill", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
makeKey("textvisiblespace|nobreakspace", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
makeKey("negthickspace|negmedspace|negthinspace", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
// Skip
// makeKey("enskip|smallskip|medskip|bigskip|vfill", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
// Custom space/skip, remove the content (== length value)
makeKey("vspace|vspace*|hspace|hspace*|mspace", KeyInfo(KeyInfo::noContent, 1, false), isPatternString);
// Found in fr/UserGuide.lyx
makeKey("og|fg", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
// quotes
makeKey("textquotedbl|quotesinglbase|lyxarrow", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
makeKey("textquotedblleft|textquotedblright", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
// Known macros to remove (including their parameter)
// No split
makeKey("input|inputencoding|label|ref|index|bibitem", KeyInfo(KeyInfo::doRemove, 1, false), isPatternString);
makeKey("addtocounter|setlength", KeyInfo(KeyInfo::noContent, 2, true), isPatternString);
// handle like standard keys with 1 parameter.
makeKey("url|href|vref|thanks", KeyInfo(KeyInfo::isStandard, 1, false), isPatternString);
// Ignore deleted text
makeKey("lyxdeleted", KeyInfo(KeyInfo::doRemove, 3, false), isPatternString);
// but preserve added text
makeKey("lyxadded", KeyInfo(KeyInfo::doRemove, 2, false), isPatternString);
// Macros to remove, but let the parameter survive
// No split
makeKey("menuitem|textmd|textrm", KeyInfo(KeyInfo::isStandard, 1, true), isPatternString);
// Remove language spec from content of these insets
makeKey("code", KeyInfo(KeyInfo::noMain, 1, false), isPatternString);
// Same effect as previous, parameter will survive (because there is no one anyway)
// No split
makeKey("noindent|textcompwordmark|maketitle", KeyInfo(KeyInfo::isStandard, 0, true), isPatternString);
// Remove table decorations
makeKey("hline|tabularnewline|toprule|bottomrule|midrule", KeyInfo(KeyInfo::doRemove, 0, true), isPatternString);
// Discard shape-header.
// For footnote or shortcut too, because of lang settings
// and wrong handling if used 'KeyInfo::noMain'
makeKey("circlepar|diamondpar|heartpar|nutpar", KeyInfo(KeyInfo::isStandard, 1, true), isPatternString);
makeKey("trianglerightpar|hexagonpar|starpar", KeyInfo(KeyInfo::isStandard, 1, true), isPatternString);
makeKey("triangleuppar|triangledownpar|droppar", KeyInfo(KeyInfo::isStandard, 1, true), isPatternString);
makeKey("triangleleftpar|shapepar|dropuppar", KeyInfo(KeyInfo::isStandard, 1, true), isPatternString);
makeKey("hphantom|vphantom|footnote|shortcut|include|includegraphics", KeyInfo(KeyInfo::isStandard, 1, true), isPatternString);
makeKey("parbox", KeyInfo(KeyInfo::doRemove, 1, true), isPatternString);
// like ('tiny{}' or '\tiny ' ... )
makeKey("footnotesize|tiny|scriptsize|small|large|Large|LARGE|huge|Huge", KeyInfo(KeyInfo::isSize, 0, false), isPatternString);
// Survives, like known character
makeKey("lyx|LyX|latex|LaTeX|latexe|LaTeXe|tex|TeX", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
makeKey("item|listitem", KeyInfo(KeyInfo::isList, 1, false), isPatternString);
makeKey("begin|end", KeyInfo(KeyInfo::isMath, 1, false), isPatternString);
makeKey("[|]", KeyInfo(KeyInfo::isMath, 1, false), isPatternString);
makeKey("$", KeyInfo(KeyInfo::isMath, 1, false), isPatternString);
makeKey("par|uldepth|ULdepth|protect|nobreakdash|medskip|relax", KeyInfo(KeyInfo::isStandard, 0, true), isPatternString);
// Remove RTL/LTR marker
makeKey("l|r|textlr|textfr|textar|beginl|endl", KeyInfo(KeyInfo::isStandard, 0, true), isPatternString);
makeKey("lettrine", KeyInfo(KeyInfo::cleanToStart, 0, true), isPatternString);
makeKey("lyxslide", KeyInfo(KeyInfo::isSectioning, 1, true), isPatternString);
makeKey("endarguments", KeyInfo(KeyInfo::endArguments, 0, true), isPatternString);
makeKey("twocolumn", KeyInfo(KeyInfo::removeWithArg, 2, true), isPatternString);
makeKey("tnotetext|ead|fntext|cortext|address", KeyInfo(KeyInfo::removeWithArg, 0, true), isPatternString);
makeKey("lyxend", KeyInfo(KeyInfo::isStandard, 0, true), isPatternString);
if (isPatternString) {
// Allow the first searched string to rebuild the keys too
keysBuilt = false;
}
else {
// no need to rebuild again
keysBuilt = true;
}
}
/*
* Keep the list of actual opened parentheses actual
* (e.g. depth == 4 means there are 4 '{' not processed yet)
*/
void Intervall::handleParentheses(int lastpos, bool closingAllowed)
{
int skip = 0;
for (int i = depts[actualdeptindex]; i < lastpos; i+= 1 + skip) {
char c;
c = par[i];
skip = 0;
if (c == '\\') skip = 1;
else if (c == '{') {
handleOpenP(i);
}
else if (c == '}') {
handleCloseP(i, closingAllowed);
}
}
}
#if (0)
string Intervall::show(int lastpos)
{
int idx = 0; /* int intervalls */
string s;
int i = 0;
for (idx = 0; idx <= ignoreidx; idx++) {
while (i < lastpos) {
int printsize;
if (i <= borders[idx].low) {
if (borders[idx].low > lastpos)
printsize = lastpos - i;
else
printsize = borders[idx].low - i;
s += par.substr(i, printsize);
i += printsize;
if (i >= borders[idx].low)
i = borders[idx].upper;
}
else {
i = borders[idx].upper;
break;
}
}
}
if (lastpos > i) {
s += par.substr(i, lastpos-i);
}
return s;
}
#endif
void Intervall::output(ostringstream &os, int lastpos)
{
// get number of chars to output
int idx = 0; /* int intervalls */
int i = 0;
int printed = 0;
string startTitle = titleValue;
for (idx = 0; idx <= ignoreidx; idx++) {
if (i < lastpos) {
if (i <= borders[idx].low) {
int printsize;
if (borders[idx].low > lastpos)
printsize = lastpos - i;
else
printsize = borders[idx].low - i;
if (printsize > 0) {
os << startTitle << par.substr(i, printsize);
i += printsize;
printed += printsize;
startTitle = "";
}
handleParentheses(i, false);
if (i >= borders[idx].low)
i = borders[idx].upper;
}
else {
i = borders[idx].upper;
}
}
else
break;
}
if (lastpos > i) {
os << startTitle << par.substr(i, lastpos-i);
printed += lastpos-i;
}
handleParentheses(lastpos, false);
int startindex;
if (keys["foreignlanguage"].disabled)
startindex = actualdeptindex-langcount;
else
startindex = actualdeptindex;
for (int i = startindex; i > 0; --i) {
os << "}";
}
if (hasTitle && (printed > 0))
os << "}";
if (! isPatternString_)
os << "\n";
handleParentheses(lastpos, true); /* extra closings '}' allowed here */
}
void LatexInfo::processRegion(int start, int region_end)
{
while (start < region_end) { /* Let {[} and {]} survive */
int cnt = interval_.isOpeningPar(start);
if (cnt == 1) {
// Closing is allowed past the region
int closing = interval_.findclosing(start+1, interval_.par.length());
interval_.addIntervall(start, start+1);
interval_.addIntervall(closing, closing+1);
}
else if (cnt == 3)
start += 2;
start = interval_.nextNotIgnored(start+1);
}
}
void LatexInfo::removeHead(KeyInfo &actual, int count)
{
if (actual.parenthesiscount == 0) {
// "{\tiny{} ...}" ==> "{{} ...}"
interval_.addIntervall(actual._tokenstart-count, actual._tokenstart + actual._tokensize);
}
else {
// Remove header hull, that is "\url{abcd}" ==> "abcd"
interval_.addIntervall(actual._tokenstart - count, actual._dataStart);
interval_.addIntervall(actual._dataEnd, actual._dataEnd+1);
}
}
int LatexInfo::dispatch(ostringstream &os, int previousStart, KeyInfo &actual)
{
int nextKeyIdx = 0;
switch (actual.keytype)
{
case KeyInfo::isTitle: {
removeHead(actual);
nextKeyIdx = getNextKey();
break;
}
case KeyInfo::cleanToStart: {
actual._dataEnd = actual._dataStart;
nextKeyIdx = getNextKey();
// Search for end of arguments
int tmpIdx = find(nextKeyIdx, KeyInfo::endArguments);
if (tmpIdx > 0) {
for (int i = nextKeyIdx; i <= tmpIdx; i++) {
entries_[i].disabled = true;
}
actual._dataEnd = entries_[tmpIdx]._dataEnd;
}
while (interval_.par[actual._dataEnd] == ' ')
actual._dataEnd++;
interval_.addIntervall(0, actual._dataEnd+1);
interval_.actualdeptindex = 0;
interval_.depts[0] = actual._dataEnd+1;
interval_.closes[0] = -1;
break;
}
case KeyInfo::noContent: { /* char like "\hspace{2cm}" */
if (actual.disabled)
interval_.addIntervall(actual._tokenstart, actual._dataEnd);
else
interval_.addIntervall(actual._dataStart, actual._dataEnd);
}
// fall through
case KeyInfo::isChar: {
nextKeyIdx = getNextKey();
break;
}
case KeyInfo::isSize: {
if (actual.disabled || (interval_.par[actual._dataStart] != '{') || (interval_.par[actual._dataStart-1] == ' ')) {
processRegion(actual._dataEnd, actual._dataEnd+1); /* remove possibly following {} */
interval_.addIntervall(actual._tokenstart, actual._dataEnd+1);
nextKeyIdx = getNextKey();
} else {
// Here _dataStart points to '{', so correct it
actual._dataStart += 1;
actual._tokensize += 1;
actual.parenthesiscount = 1;
if (interval_.par[actual._dataStart] == '}') {
// Determine the end if used like '{\tiny{}...}'
actual._dataEnd = interval_.findclosing(actual._dataStart+1, interval_.par.length()) + 1;
interval_.addIntervall(actual._dataStart, actual._dataStart+1);
}
else {
// Determine the end if used like '\tiny{...}'
actual._dataEnd = interval_.findclosing(actual._dataStart, interval_.par.length()) + 1;
}
// Split on this key if not at start
int start = interval_.nextNotIgnored(previousStart);
if (start < actual._tokenstart) {
interval_.output(os, actual._tokenstart);
interval_.addIntervall(start, actual._tokenstart);
}
// discard entry if at end of actual
nextKeyIdx = process(os, actual);
}
break;
}
case KeyInfo::endArguments:
// Remove trailing '{}' too
actual._dataStart += 1;
actual._dataEnd += 1;
interval_.addIntervall(actual._tokenstart, actual._dataEnd+1);
nextKeyIdx = getNextKey();
break;
case KeyInfo::noMain:
// fall through
case KeyInfo::isStandard: {
if (actual.disabled) {
removeHead(actual);
processRegion(actual._dataStart, actual._dataStart+1);
nextKeyIdx = getNextKey();
} else {
// Split on this key if not at datastart of calling entry
int start = interval_.nextNotIgnored(previousStart);
if (start < actual._tokenstart) {
interval_.output(os, actual._tokenstart);
interval_.addIntervall(start, actual._tokenstart);
}
// discard entry if at end of actual
nextKeyIdx = process(os, actual);
}
break;
}
case KeyInfo::removeWithArg: {
nextKeyIdx = getNextKey();
// Search for end of arguments
int tmpIdx = find(nextKeyIdx, KeyInfo::endArguments);
if (tmpIdx > 0) {
for (int i = nextKeyIdx; i <= tmpIdx; i++) {
entries_[i].disabled = true;
}
actual._dataEnd = entries_[tmpIdx]._dataEnd;
}
interval_.addIntervall(actual._tokenstart, actual._dataEnd+1);
break;
}
case KeyInfo::doRemove: {
// Remove the key with all parameters and following spaces
size_t pos;
for (pos = actual._dataEnd+1; pos < interval_.par.length(); pos++) {
if ((interval_.par[pos] != ' ') && (interval_.par[pos] != '%'))
break;
}
// Remove also enclosing parentheses [] and {}
int numpars = 0;
int spaces = 0;
while (actual._tokenstart > numpars) {
if (interval_.par[pos+numpars] == ']' && interval_.par[actual._tokenstart-numpars-1] == '[')
numpars++;
else if (interval_.par[pos+numpars] == '}' && interval_.par[actual._tokenstart-numpars-1] == '{')
numpars++;
else
break;
}
if (numpars > 0) {
if (interval_.par[pos+numpars] == ' ')
spaces++;
}
interval_.addIntervall(actual._tokenstart-numpars, pos+numpars+spaces);
nextKeyIdx = getNextKey();
break;
}
case KeyInfo::isList: {
// Discard space before _tokenstart
int count;
for (count = 0; count < actual._tokenstart; count++) {
if (interval_.par[actual._tokenstart-count-1] != ' ')
break;
}
nextKeyIdx = getNextKey();
int tmpIdx = find(nextKeyIdx, KeyInfo::endArguments);
if (tmpIdx > 0) {
// Special case: \item is not a list, but a command (like in Style Author_Biography in maa-monthly.layout)
// with arguments
// How else can we catch this one?
for (int i = nextKeyIdx; i <= tmpIdx; i++) {
entries_[i].disabled = true;
}
actual._dataEnd = entries_[tmpIdx]._dataEnd;
}
else if (nextKeyIdx > 0) {
// Ignore any lang entries inside data region
for (int i = nextKeyIdx; i < int(entries_.size()) && entries_[i]._tokenstart < actual._dataEnd; i++) {
if (entries_[i].keytype == KeyInfo::isMain)
entries_[i].disabled = true;
}
}
if (actual.disabled) {
interval_.addIntervall(actual._tokenstart-count, actual._dataEnd+1);
}
else {
interval_.addIntervall(actual._tokenstart-count, actual._tokenstart);
}
if (interval_.par[actual._dataEnd+1] == '[') {
int posdown = interval_.findclosing(actual._dataEnd+2, interval_.par.length(), '[', ']');
if ((interval_.par[actual._dataEnd+2] == '{') &&
(interval_.par[posdown-1] == '}')) {
interval_.addIntervall(actual._dataEnd+1,actual._dataEnd+3);
interval_.addIntervall(posdown-1, posdown+1);
}
else {
interval_.addIntervall(actual._dataEnd+1, actual._dataEnd+2);
interval_.addIntervall(posdown, posdown+1);
}
int blk = interval_.nextNotIgnored(actual._dataEnd+1);
if (blk > posdown) {
// Discard at most 1 space after empty item
int count;
for (count = 0; count < 1; count++) {
if (interval_.par[blk+count] != ' ')
break;
}
if (count > 0)
interval_.addIntervall(blk, blk+count);
}
}
break;
}
case KeyInfo::isSectioning: {
// Discard spaces before _tokenstart
int count;
int val = actual._tokenstart;
for (count = 0; count < actual._tokenstart;) {
val = interval_.previousNotIgnored(val-1);
if (interval_.par[val] != ' ')
break;
else {
count = actual._tokenstart - val;
}
}
if (actual.disabled) {
removeHead(actual, count);
nextKeyIdx = getNextKey();
} else {
interval_.addIntervall(actual._tokenstart-count, actual._tokenstart);
nextKeyIdx = process(os, actual);
}
break;
}
case KeyInfo::isMath: {
// Same as regex, use the content unchanged
nextKeyIdx = getNextKey();
break;
}
case KeyInfo::isRegex: {
// DO NOT SPLIT ON REGEX
// Do not disable
nextKeyIdx = getNextKey();
break;
}
case KeyInfo::isIgnored: {
// Treat like a character for now
nextKeyIdx = getNextKey();
break;
}
case KeyInfo::isMain: {
if (interval_.par.substr(actual._dataStart, 2) == "% ")
interval_.addIntervall(actual._dataStart, actual._dataStart+2);
if (actual._tokenstart > 0) {
int prev = interval_.previousNotIgnored(actual._tokenstart - 1);
if ((prev >= 0) && interval_.par[prev] == '%')
interval_.addIntervall(prev, prev+1);
}
if (actual.disabled) {
removeHead(actual);
interval_.langcount++;
if ((interval_.par.substr(actual._dataStart, 3) == " \\[") ||
(interval_.par.substr(actual._dataStart, 8) == " \\begin{")) {
// Discard also the space before math-equation
interval_.addIntervall(actual._dataStart, actual._dataStart+1);
}
nextKeyIdx = getNextKey();
// interval.resetOpenedP(actual._dataStart-1);
}
else {
if (actual._tokenstart < 26) {
// for the first (and maybe dummy) language
interval_.setForDefaultLang(actual);
}
interval_.resetOpenedP(actual._dataStart-1);
}
break;
}
case KeyInfo::invalid:
// This cannot happen, already handled
// fall through
default: {
// LYXERR0("Unhandled keytype");
nextKeyIdx = getNextKey();
break;
}
}
return nextKeyIdx;
}
int LatexInfo::process(ostringstream &os, KeyInfo &actual )
{
int end = interval_.nextNotIgnored(actual._dataEnd);
int oldStart = actual._dataStart;
int nextKeyIdx = getNextKey();
while (true) {
if ((nextKeyIdx < 0) ||
(entries_[nextKeyIdx]._tokenstart >= actual._dataEnd) ||
(entries_[nextKeyIdx].keytype == KeyInfo::invalid)) {
if (oldStart <= end) {
processRegion(oldStart, end);
oldStart = end+1;
}
break;
}
KeyInfo &nextKey = getKeyInfo(nextKeyIdx);
if ((nextKey.keytype == KeyInfo::isMain) && !nextKey.disabled) {
(void) dispatch(os, actual._dataStart, nextKey);
end = nextKey._tokenstart;
break;
}
processRegion(oldStart, nextKey._tokenstart);
nextKeyIdx = dispatch(os, actual._dataStart, nextKey);
oldStart = nextKey._dataEnd+1;
}
// now nextKey is either invalid or is outside of actual._dataEnd
// output the remaining and discard myself
if (oldStart <= end) {
processRegion(oldStart, end);
}
if (interval_.par[end] == '}') {
end += 1;
// This is the normal case.
// But if using the firstlanguage, the closing may be missing
}
// get minimum of 'end' and 'actual._dataEnd' in case that the nextKey.keytype was 'KeyInfo::isMain'
int output_end;
if (actual._dataEnd < end)
output_end = interval_.nextNotIgnored(actual._dataEnd);
else
output_end = interval_.nextNotIgnored(end);
if ((actual.keytype == KeyInfo::isMain) && actual.disabled) {
interval_.addIntervall(actual._tokenstart, actual._tokenstart+actual._tokensize);
}
// Remove possible empty data
int dstart = interval_.nextNotIgnored(actual._dataStart);
while (interval_.isOpeningPar(dstart) == 1) {
interval_.addIntervall(dstart, dstart+1);
int dend = interval_.findclosing(dstart+1, output_end);
interval_.addIntervall(dend, dend+1);
dstart = interval_.nextNotIgnored(dstart+1);
}
if (dstart < output_end)
interval_.output(os, output_end);
interval_.addIntervall(actual._tokenstart, end);
return nextKeyIdx;
}
string splitOnKnownMacros(string par, bool isPatternString)
{
ostringstream os;
LatexInfo li(par, isPatternString);
// LYXERR0("Berfore split: " << par);
KeyInfo DummyKey = KeyInfo(KeyInfo::KeyType::isMain, 2, true);
DummyKey.head = "";
DummyKey._tokensize = 0;
DummyKey._dataStart = 0;
DummyKey._dataEnd = par.length();
DummyKey.disabled = true;
int firstkeyIdx = li.getFirstKey();
string s;
if (firstkeyIdx >= 0) {
KeyInfo firstKey = li.getKeyInfo(firstkeyIdx);
DummyKey._tokenstart = firstKey._tokenstart;
int nextkeyIdx;
if ((firstKey.keytype != KeyInfo::isMain) || firstKey.disabled) {
// Use dummy firstKey
firstKey = DummyKey;
(void) li.setNextKey(firstkeyIdx);
}
else {
if (par.substr(firstKey._dataStart, 2) == "% ")
li.addIntervall(firstKey._dataStart, firstKey._dataStart+2);
}
nextkeyIdx = li.process(os, firstKey);
while (nextkeyIdx >= 0) {
// Check for a possible gap between the last
// entry and this one
int datastart = li.nextNotIgnored(firstKey._dataStart);
KeyInfo &nextKey = li.getKeyInfo(nextkeyIdx);
if ((nextKey._tokenstart > datastart)) {
// Handle the gap
firstKey._dataStart = datastart;
firstKey._dataEnd = par.length();
(void) li.setNextKey(nextkeyIdx);
// Fake the last opened parenthesis
li.setForDefaultLang(firstKey);
nextkeyIdx = li.process(os, firstKey);
}
else {
if (nextKey.keytype != KeyInfo::isMain) {
firstKey._dataStart = datastart;
firstKey._dataEnd = nextKey._dataEnd+1;
(void) li.setNextKey(nextkeyIdx);
li.setForDefaultLang(firstKey);
nextkeyIdx = li.process(os, firstKey);
}
else {
nextkeyIdx = li.process(os, nextKey);
}
}
}
// Handle the remaining
firstKey._dataStart = li.nextNotIgnored(firstKey._dataStart);
firstKey._dataEnd = par.length();
// Check if ! empty
if ((firstKey._dataStart < firstKey._dataEnd) &&
(par[firstKey._dataStart] != '}')) {
li.setForDefaultLang(firstKey);
(void) li.process(os, firstKey);
}
s = os.str();
if (s.empty()) {
// return string definitelly impossible to match
s = "\\foreignlanguage{ignore}{ }";
}
}
else
s = par; /* no known macros found */
// LYXERR0("After split: " << s);
return s;
}
/*
* Try to unify the language specs in the latexified text.
* Resulting modified string is set to "", if
* the searched tex does not contain all the features in the search pattern
*/
static string correctlanguagesetting(string par, bool isPatternString, bool withformat)
{
static Features regex_f;
static int missed = 0;
static bool regex_with_format = false;
int parlen = par.length();
while ((parlen > 0) && (par[parlen-1] == '\n')) {
parlen--;
}
if (isPatternString && (parlen > 0) && (par[parlen-1] == '~')) {
// Happens to be there in case of description or labeling environment
parlen--;
}
string result;
if (withformat) {
// Split the latex input into pieces which
// can be digested by our search engine
LYXERR(Debug::FIND, "input: \"" << par << "\"");
result = splitOnKnownMacros(par.substr(0,parlen), isPatternString);
LYXERR(Debug::FIND, "After split: \"" << result << "\"");
}
else
result = par.substr(0, parlen);
if (isPatternString) {
missed = 0;
if (withformat) {
regex_f = identifyFeatures(result);
string features = "";
for (auto it = regex_f.cbegin(); it != regex_f.cend(); ++it) {
string a = it->first;
regex_with_format = true;
features += " " + a;
// LYXERR0("Identified regex format:" << a);
}
LYXERR(Debug::FIND, "Identified Features" << features);
}
} else if (regex_with_format) {
Features info = identifyFeatures(result);
for (auto it = regex_f.cbegin(); it != regex_f.cend(); ++it) {
string a = it->first;
bool b = it->second;
if (b && ! info[a]) {
missed++;
LYXERR(Debug::FIND, "Missed(" << missed << " " << a <<", srclen = " << parlen );
return "";
}
}
}
else {
// LYXERR0("No regex formats");
}
return result;
}
// 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, "(.*[^\\\\])\\$" REGEX_EOS, "$1"))
continue;
if (regex_replace(t, t, "(.*[^\\\\]) \\\\\\]" REGEX_EOS, "$1"))
continue;
if (regex_replace(t, t, "(.*[^\\\\]) \\\\end\\{[a-zA-Z_]*\\*?\\}" REGEX_EOS, "$1"))
continue;
if (regex_replace(t, t, "(.*[^\\\\])\\}" REGEX_EOS, "$1")) {
++open_braces;
continue;
}
break;
} while (true);
return open_braces;
}
static int num_replaced = 0;
static bool previous_single_replace = true;
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;
if (opt.replace_all && previous_single_replace) {
previous_single_replace = false;
num_replaced = 0;
}
else if (!opt.replace_all) {
num_replaced = 0; // count number of replaced strings
previous_single_replace = true;
}
// 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;
// correct the language settings
par_as_string = correctlanguagesetting(par_as_string, true, !opt.ignoreformat);
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);
LYXERR(Debug::FIND, "Lead_size: " << lead_size);
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;
}
if (!opt.ignoreformat) {
// Remove extra '\}' at end if not part of \{\.\}
size_t lng = par_as_string.size();
while(lng > 2) {
if (par_as_string.substr(lng-2, 2).compare("\\}") == 0) {
if (lng >= 6) {
if (par_as_string.substr(lng-6,3).compare("\\{\\") == 0)
break;
}
lng -= 2;
open_braces++;
}
else
break;
}
if (lng < par_as_string.size())
par_as_string = par_as_string.substr(0,lng);
/*
// save '\.'
regex_replace(par_as_string, par_as_string, "\\\\\\.", "_xxbdotxx_");
// handle '.' -> '[^]', replace later as '[^\}\{\\]'
regex_replace(par_as_string, par_as_string, "\\.", "[^]");
// replace '[^...]' with '[^...\}\{\\]'
regex_replace(par_as_string, par_as_string, "\\[\\^([^\\\\\\]]*)\\]", "_xxbrlxx_$1\\}\\{\\\\_xxbrrxx_");
regex_replace(par_as_string, par_as_string, "_xxbrlxx_", "[^");
regex_replace(par_as_string, par_as_string, "_xxbrrxx_", "]");
// restore '\.'
regex_replace(par_as_string, par_as_string, "_xxbdotxx_", "\\.");
*/
}
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
// Kornel: Added parentheses to use $1 for size of the leading string
string regexp_str;
string regexp2_str;
{
// TODO: Adapt '\[12345678]' in par_as_string to acount for the first '()
// Unfortunately is '\1', '\2', etc not working for strings with extra format
// so the convert has no effect in that case
for (int i = 8; i > 0; --i) {
string orig = "\\\\" + std::to_string(i);
string dest = "\\" + std::to_string(i+1);
while (regex_replace(par_as_string, par_as_string, orig, dest));
}
regexp_str = "(" + lead_as_regexp + ")" + par_as_string;
regexp2_str = "(" + lead_as_regexp + ").*?" + par_as_string;
}
LYXERR(Debug::FIND, "Setting regexp to : '" << regexp_str << "'");
regexp = lyx::regex(regexp_str);
LYXERR(Debug::FIND, "Setting regexp2 to: '" << regexp2_str << "'");
regexp2 = lyx::regex(regexp2_str);
}
}
// Count number of characters in string
// {]} ==> 1
// \& ==> 1
// --- ==> 1
// \\[a-zA-Z]+ ==> 1
static int computeSize(string s, int len)
{
if (len == 0)
return 0;
int skip = 1;
int count = 0;
for (int i = 0; i < len; i += skip, count++) {
if (s[i] == '\\') {
skip = 2;
if (isalpha(s[i+1])) {
for (int j = 2; i+j < len; j++) {
if (! isalpha(s[i+j])) {
if (s[i+j] == ' ')
skip++;
else if ((s[i+j] == '{') && s[i+j+1] == '}')
skip += 2;
else if ((s[i+j] == '{') && (i + j + 1 >= len))
skip++;
break;
}
skip++;
}
}
}
else if (s[i] == '{') {
if (s[i+1] == '}')
skip = 2;
else
skip = 3;
}
else if (s[i] == '-') {
if (s[i+1] == '-') {
if (s[i+2] == '-')
skip = 3;
else
skip = 2;
}
else
skip = 1;
}
else {
skip = 1;
}
}
return count;
}
MatchResult MatchStringAdv::findAux(DocIterator const & cur, int len, bool at_begin) const
{
MatchResult mres;
if (at_begin &&
(opt.restr == FindAndReplaceOptions::R_ONLY_MATHS && !cur.inMathed()) )
return mres;
docstring docstr = stringifyFromForSearch(opt, cur, len);
string str = normalize(docstr, true);
if (!opt.ignoreformat) {
str = correctlanguagesetting(str, false, !opt.ignoreformat);
}
if (str.empty()) {
mres.match_len = -1;
return mres;
}
LYXERR(Debug::FIND, "Matching against '" << lyx::to_utf8(docstr) << "'");
LYXERR(Debug::FIND, "After normalization: '" << str << "'");
if (use_regexp) {
LYXERR(Debug::FIND, "Searching in regexp mode: at_begin=" << at_begin);
regex const *p_regexp;
regex_constants::match_flag_type flags;
if (at_begin) {
flags = regex_constants::match_continuous;
p_regexp = &regexp;
} else {
flags = regex_constants::match_default;
p_regexp = &regexp2;
}
sregex_iterator re_it(str.begin(), str.end(), *p_regexp, flags);
if (re_it == sregex_iterator())
return mres;
match_results<string::const_iterator> const & m = *re_it;
if (0) { // Kornel Benko: DO NOT CHECKK
// 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 mres;
}
// 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, open_braces))
return mres;
// Exclude from the returned match length any length
// due to close wildcards added at end of regexp
// and also the length of the leading (e.g. '\emph{}')
//
// Whole found string, including the leading: m[0].second - m[0].first
// Size of the leading string: m[1].second - m[1].first
int leadingsize = 0;
if (m.size() > 1)
leadingsize = m[1].second - m[1].first;
int result;
for (size_t i = 0; i < m.size(); i++) {
LYXERR(Debug::FIND, "Match " << i << " is " << m[i].second - m[i].first << " long");
}
if (close_wildcards == 0)
result = m[0].second - m[0].first;
else
result = m[m.size() - close_wildcards].first - m[0].first;
size_t pos = m.position(size_t(0));
// Ignore last closing characters
while (result > 0) {
if (str[pos+result-1] == '}')
--result;
else
break;
}
if (result > leadingsize)
result -= leadingsize;
else
result = 0;
mres.match_len = computeSize(str.substr(pos+leadingsize,result), result);
mres.match2end = str.size() - pos - leadingsize;
mres.pos = pos+leadingsize;
return mres;
}
// else !use_regexp: but all code paths above return
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) {
mres.match_len = par_as_string.size();
mres.match2end = str.size();
mres.pos = 0;
return mres;
}
} else {
// Start the search _after_ the leading part
size_t pos = str.find(par_as_string_nolead, lead_as_string.size());
if (pos != string::npos) {
mres.match_len = par_as_string.size();
mres.match2end = str.size() - pos;
mres.pos = pos;
return mres;
}
}
return mres;
}
MatchResult MatchStringAdv::operator()(DocIterator const & cur, int len, bool at_begin) const
{
MatchResult mres = findAux(cur, len, at_begin);
int res = mres.match_len;
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 mres;
if ((len > 0) && (res < len)) {
mres.match_len = 0;
return mres;
}
Paragraph const & par = cur.paragraph();
bool ws_left = (cur.pos() > 0)
? par.isWordSeparator(cur.pos() - 1)
: true;
bool ws_right = (cur.pos() + len < par.size())
? par.isWordSeparator(cur.pos() + len)
: true;
LYXERR(Debug::FIND,
"cur.pos()=" << cur.pos() << ", res=" << res
<< ", separ: " << ws_left << ", " << ws_right
<< ", len: " << len
<< endl);
if (ws_left && ws_right) {
// Check for word separators inside the found 'word'
for (int i = 0; i < len; i++) {
if (par.isWordSeparator(cur.pos() + i)) {
mres.match_len = 0;
return mres;
}
}
return mres;
}
mres.match_len = 0;
return mres;
}
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;
// Handle all other '\n'
while ((pos = t.find("\n")) != string::npos) {
if (pos > 1 && t[pos-1] == '\\' && t[pos-2] == '\\' ) {
// Handle '\\\n'
if (isAlnumASCII(t[pos+1])) {
t.replace(pos-2, 3, " ");
}
else {
t.replace(pos-2, 3, "");
}
}
else if (!isAlnumASCII(t[pos+1]) || !isAlnumASCII(t[pos-1])) {
// '\n' adjacent to non-alpha-numerics, discard
t.replace(pos, 1, "");
}
else {
// Replace all other \n with spaces
t.replace(pos, 1, " ");
}
}
// Remove stale empty \emph{}, \textbf{} and similar blocks from latexify
// Kornel: Added textsl, textsf, textit, texttt and noun
// + allow to seach for colored text too
LYXERR(Debug::FIND, "Removing stale empty \\emph{}, \\textbf{}, \\*section{} macros from: " << t);
while (regex_replace(t, t, "\\\\(emph|noun|text(bf|sl|sf|it|tt)|(u|uu)line|(s|x)out|uwave)(\\{(\\{\\})?\\})+", ""))
LYXERR(Debug::FIND, " further removing stale empty \\emph{}, \\textbf{} macros from: " << t);
while (regex_replace(t, t, "\\\\((sub)?(((sub)?section)|paragraph)|part)\\*?(\\{(\\{\\})?\\})+", ""))
LYXERR(Debug::FIND, " further removing stale empty \\emph{}, \\textbf{} macros from: " << t);
while (regex_replace(t, t, "\\\\(foreignlanguage|textcolor|item)\\{[a-z]+\\}(\\{(\\{\\})?\\})+", ""));
// 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());
OutputParams runparams(encodings.fromLyXName("utf8"));
runparams.nice = true;
runparams.flavor = OutputParams::XETEX;
runparams.linelen = 10000; //lyxrc.plaintext_linelen;
// No side effect of file copying and image conversion
runparams.dryrun = true;
runparams.for_search = 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()) {
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 );
MathData md2;
for (MathData::const_iterator it = md.begin() + cs.pos();
it != it_end; ++it)
md2.push_back(*it);
docstring s = asString(md2);
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();
odocstringstream ods;
otexstream os(ods);
//OutputParams runparams(&buf.params().encoding());
OutputParams runparams(encodings.fromLyXName("utf8"));
runparams.nice = false;
runparams.flavor = OutputParams::XETEX;
runparams.linelen = 8000; //lyxrc.plaintext_linelen;
// No side effect of file copying and image conversion
runparams.dryrun = true;
runparams.for_search = 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);
string s = lyx::to_utf8(ods.str());
LYXERR(Debug::FIND, "Latexified +modified text: '" << s << "'");
return(lyx::from_utf8(s));
} 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()->asHullInset()) {
WriteStream ws(os);
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);
MathData md2;
for (MathData::const_iterator it = md.begin() + cs.pos();
it != it_end; ++it)
md2.push_back(*it);
ods << asString(md2);
// Retrieve the math environment type, and add '$' or '$]'
// or others (\end{equation}) accordingly
for (int s = cur.depth() - 1; s >= 0; --s) {
CursorSlice const & cs2 = cur[s];
InsetMath * inset = cs2.asInsetMath();
if (inset && inset->asHullInset()) {
WriteStream ws(os);
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).match_len > 0);
cur = old_cur;
int max_match = match(cur).match_len; /* match valid only if not searching whole words */
if (max_match <= 0) return 0;
LYXERR(Debug::FIND, "Ok");
// Compute the match length
int len = 1;
if (cur.pos() + len > cur.lastpos())
return 0;
if (match.opt.matchword) {
LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
while (cur.pos() + len <= cur.lastpos() && match(cur, len).match_len <= 0) {
++len;
LYXERR(Debug::FIND, "verifying unmatch with len = " << len);
}
// Length of matched text (different from len param)
int old_match = match(cur, len).match_len;
if (old_match < 0)
old_match = 0;
int new_match;
// Greedy behaviour while matching regexps
while ((new_match = match(cur, len + 1).match_len) > old_match) {
++len;
old_match = new_match;
LYXERR(Debug::FIND, "verifying match with len = " << len);
}
if (old_match == 0)
len = 0;
}
else {
int minl = 1;
int maxl = cur.lastpos() - cur.pos();
// Greedy behaviour while matching regexps
while (maxl > minl) {
int actual_match = match(cur, len).match_len;
if (actual_match >= max_match) {
// actual_match > max_match _can_ happen,
// if the search area splits
// some following word so that the regex
// (e.g. 'r.*r\b' matches 'r' from the middle of the
// splitted word)
// This means, the len value is too big
maxl = len;
len = (int)((maxl + minl)/2);
}
else {
// (actual_match < max_match)
minl = len + 1;
len = (int)((maxl + minl)/2);
}
}
old_cur = cur;
// Search for real start of matched characters
while (len > 1) {
int actual_match;
do {
cur.forwardPos();
} while (cur.depth() > old_cur.depth()); /* Skip inner insets */
if (cur.depth() < old_cur.depth()) {
// Outer inset?
LYXERR0("cur.depth() < old_cur.depth(), this should never happen");
break;
}
if (cur.pos() != old_cur.pos()) {
// OK, forwarded 1 pos in actual inset
actual_match = match(cur, len-1).match_len;
if (actual_match == max_match) {
// Ha, got it! The shorter selection has the same match length
len--;
old_cur = cur;
}
else {
// OK, the shorter selection matches less chars, revert to previous value
cur = old_cur;
break;
}
}
else {
LYXERR0("cur.pos() == old_cur.pos(), this should never happen");
actual_match = match(cur, len).match_len;
if (actual_match == max_match)
old_cur = cur;
}
}
}
return len;
}
/// Finds forward
int findForwardAdv(DocIterator & cur, MatchStringAdv & match)
{
if (!cur)
return 0;
while (!theApp()->longOperationCancelled() && cur) {
LYXERR(Debug::FIND, "findForwardAdv() cur: " << cur);
MatchResult mres = match(cur, -1, false);
int match_len = mres.match_len;
LYXERR(Debug::FIND, "match_len: " << match_len);
if ((mres.pos > 100000) || (mres.match2end > 100000) || (match_len > 100000)) {
LYXERR0("BIG LENGTHS: " << mres.pos << ", " << match_len << ", " << mres.match2end);
match_len = 0;
}
if (match_len > 0) {
// Try to find the begin of searched string
int increment = mres.pos/2;
while (mres.pos > 5 && (increment > 5)) {
DocIterator old_cur = cur;
for (int i = 0; i < increment && cur; cur.forwardPos(), i++) {
}
if (! cur || (cur.pit() > old_cur.pit())) {
// Are we outside of the paragraph?
// This can happen if moving past some UTF8-encoded chars
cur = old_cur;
increment /= 2;
}
else {
MatchResult mres2 = match(cur, -1, false);
if ((mres2.match2end < mres.match2end) ||
(mres2.match_len < mres.match_len)) {
cur = old_cur;
increment /= 2;
}
else {
mres = mres2;
increment -= 2;
if (increment > mres.pos/2)
increment = mres.pos/2;
}
}
}
int match_len_zero_count = 0;
for (int i = 0; !theApp()->longOperationCancelled() && cur; cur.forwardPos()) {
if (i++ > 10) {
int remaining_len = match(cur, -1, false).match_len;
if (remaining_len <= 0) {
// Apparently the searched string is not in the remaining part
break;
}
else {
i = 0;
}
}
LYXERR(Debug::FIND, "Advancing cur: " << cur);
int match_len3 = match(cur, 1).match_len;
if (match_len3 < 0)
continue;
int match_len2 = match(cur).match_len;
LYXERR(Debug::FIND, "match_len2: " << match_len2);
if (match_len2 > 0) {
// 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 (match_len2 >= 0) {
if (match_len2 == 0)
match_len_zero_count++;
else
match_len_zero_count = 0;
}
else {
if (++match_len_zero_count > 3) {
LYXERR(Debug::FIND, "match_len2_zero_count: " << match_len_zero_count << ", match_len was " << match_len);
}
break;
}
}
if (!cur)
return 0;
}
if (match_len >= 0 && 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).match_len)
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 pit_changed = false;
do {
cur.pos() = 0;
bool found_match = (match(cur, -1, false).match_len > 0);
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).match_len > 0);
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;
}
} // namespace
docstring stringifyFromForSearch(FindAndReplaceOptions const & opt,
DocIterator const & cur, int len)
{
if (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, bool _replace_all)
: 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), replace_all(_replace_all)
{
}
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;
end_pos = beg_pos + len;
}
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);
}
} // namespace
///
static int findAdvReplace(BufferView * bv, FindAndReplaceOptions const & opt, MatchStringAdv & matchAdv)
{
Cursor & cur = bv->cursor();
if (opt.repl_buf_name == docstring()
|| theBufferList().getBuffer(FileName(to_utf8(opt.repl_buf_name)), true) == 0
|| theBufferList().getBuffer(FileName(to_utf8(opt.find_buf_name)), true) == 0)
return 0;
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 0;
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 0;
LASSERT(sel_len > 0, return 0);
if (!matchAdv(sel_beg, sel_len).match_len)
return 0;
// 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 0);
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);
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()) {
odocstringstream ods;
otexstream os(ods);
// OutputParams runparams(&repl_buffer.params().encoding());
OutputParams runparams(encodings.fromLyXName("utf8"));
runparams.nice = false;
runparams.flavor = OutputParams::XETEX;
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;
(void)regex_replace(to_utf8(repl_latex), s, "\\$(.*)\\$", "$1");
(void)regex_replace(s, s, "\\\\\\[(.*)\\\\\\]", "$1");
repl_latex = from_utf8(s);
LYXERR(Debug::FIND, "Replacing by insert()ing latex: '" << repl_latex << "' cur=" << cur << " with depth=" << cur.depth());
MathData ar(cur.buffer());
asArray(repl_latex, ar, Parse::NORMAL);
cur.insert(ar);
sel_len = ar.size();
LYXERR(Debug::FIND, "After insert() cur=" << cur << " with depth: " << cur.depth() << " and len: " << sel_len);
}
if (cur.pos() >= sel_len)
cur.pos() -= sel_len;
else
cur.pos() = 0;
LYXERR(Debug::FIND, "After pos adj cur=" << cur << " with depth: " << cur.depth() << " and len: " << sel_len);
bv->putSelectionAt(DocIterator(cur), sel_len, !opt.forward);
bv->processUpdateFlags(Update::Force);
return 1;
}
/// Perform a FindAdv operation.
bool findAdv(BufferView * bv, FindAndReplaceOptions const & opt)
{
DocIterator cur;
int match_len = 0;
// e.g., when invoking word-findadv from mini-buffer wither with
// wrong options syntax or before ever opening advanced F&R pane
if (theBufferList().getBuffer(FileName(to_utf8(opt.find_buf_name)), true) == 0)
return false;
try {
MatchStringAdv matchAdv(bv->buffer(), opt);
int length = bv->cursor().selectionEnd().pos() - bv->cursor().selectionBegin().pos();
if (length > 0)
bv->putSelectionAt(bv->cursor().selectionBegin(), length, !opt.forward);
num_replaced += findAdvReplace(bv, opt, matchAdv);
cur = bv->cursor();
if (opt.forward)
match_len = findForwardAdv(cur, matchAdv);
else
match_len = findBackwardsAdv(cur, matchAdv);
} catch (...) {
// This may only be raised by lyx::regex()
bv->message(_("Invalid regular expression!"));
return false;
}
if (match_len == 0) {
if (num_replaced > 0) {
switch (num_replaced)
{
case 1:
bv->message(_("One match has been replaced."));
break;
case 2:
bv->message(_("Two matches have been replaced."));
break;
default:
bv->message(bformat(_("%1$d matches have been replaced."), num_replaced));
break;
}
num_replaced = 0;
}
else {
bv->message(_("Match not found."));
}
return false;
}
if (num_replaced > 0)
bv->message(_("Match has been replaced."));
else
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 << ' '
<< opt.replace_all << ' '
<< 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 >> opt.replace_all;
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;
}
} // namespace lyx