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FindAdv: Added handling for \w' in regex using non-ascii chars

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Also fix some 'out of range accesses' (causing crash in debug-glibc-mode)
This commit is contained in:
Kornel Benko 2020-12-31 16:53:46 +01:00
parent 46aedb4eaf
commit 4e9dc856e4
1 changed files with 34 additions and 16 deletions
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50
src/lyxfind.cpp
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@ -1064,6 +1064,8 @@ class KeyInfo {
noContent,
/* Char, like \backslash */
isChar,
/* remove starting backslash */
isText,
/* \part, \section*, ... */
isSectioning,
/* title, author etc */
@ -1719,6 +1721,7 @@ void LatexInfo::buildEntries(bool isPatternString)
bool math_end_waiting = false;
size_t math_pos = 10000;
string math_end;
static vector<string> usedText = vector<string>();
interval_.removeAccents();
@ -1768,6 +1771,11 @@ void LatexInfo::buildEntries(bool isPatternString)
}
// Ignore language if there is math somewhere in pattern-string
if (isPatternString) {
for (auto s: usedText) {
// Remove entries created in previous search runs
keys.erase(s);
}
usedText = vector<string>();
if (! mi.empty()) {
// Disable language
keys["foreignlanguage"].disabled = true;
@ -1837,12 +1845,15 @@ void LatexInfo::buildEntries(bool isPatternString)
}
if (keys.find(key) == keys.end()) {
found = KeyInfo(KeyInfo::isStandard, 0, true);
LYXERR(Debug::INFO, "Undefined key " << key << " ==> will be used as text");
found = KeyInfo(KeyInfo::isText, 0, false);
if (isPatternString) {
found.keytype = KeyInfo::isChar;
found.disabled = false;
found.used = true;
}
keys[key] = found;
usedText.push_back(key);
}
else
found = keys[key];
@ -2033,7 +2044,7 @@ void LatexInfo::buildEntries(bool isPatternString)
// Disable this key, treate it as standard
found.keytype = KeyInfo::isStandard;
found.disabled = true;
if ((codeEnd == interval_.par.length()) &&
if ((codeEnd +1 >= interval_.par.length()) &&
(found._tokenstart == codeStart)) {
// trickery, because the code inset starts
// with \selectlanguage ...
@ -2117,6 +2128,7 @@ void LatexInfo::buildKeys(bool 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);
makeKey("guillemotright|guillemotleft", 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);
@ -2169,6 +2181,7 @@ void LatexInfo::buildKeys(bool isPatternString)
// Survives, like known character
// makeKey("lyx|LyX|latex|LaTeX|latexe|LaTeXe|tex|TeX", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
makeKey("tableofcontents", KeyInfo(KeyInfo::isChar, 0, false), isPatternString);
makeKey("item|listitem", KeyInfo(KeyInfo::isList, 1, false), isPatternString);
makeKey("begin|end", KeyInfo(KeyInfo::isMath, 1, false), isPatternString);
@ -2357,6 +2370,9 @@ int LatexInfo::dispatch(ostringstream &os, int previousStart, KeyInfo &actual)
interval_.closes[0] = -1;
break;
}
case KeyInfo::isText:
interval_.addIntervall(actual._tokenstart, actual._tokenstart+1);
break;
case KeyInfo::noContent: { /* char like "\hspace{2cm}" */
if (actual.disabled)
interval_.addIntervall(actual._tokenstart, actual._dataEnd);
@ -2642,8 +2658,10 @@ int LatexInfo::process(ostringstream & os, KeyInfo const & actual )
int output_end;
if (actual._dataEnd < end)
output_end = interval_.nextNotIgnored(actual._dataEnd);
else
else if (interval_.par.size() > (size_t) end)
output_end = interval_.nextNotIgnored(end);
else
output_end = interval_.par.size();
if ((actual.keytype == KeyInfo::isMain) && actual.disabled) {
interval_.addIntervall(actual._tokenstart, actual._tokenstart+actual._tokensize);
}
@ -2945,12 +2963,10 @@ MatchStringAdv::MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const &
LYXERR(Debug::FIND, "Setting regexp to : '" << regexp_str << "'");
LYXERR(Debug::FIND, "Setting regexp2 to: '" << regexp2_str << "'");
#if (QT_VERSION >= 0x050000)
QRegularExpression::PatternOptions popts;
// Handle \w properly
QRegularExpression::PatternOptions popts = QRegularExpression::UseUnicodePropertiesOption | QRegularExpression::MultilineOption;
if (! opt.casesensitive) {
popts = QRegularExpression::CaseInsensitiveOption;
}
else {
popts = QRegularExpression::NoPatternOption;
popts |= QRegularExpression::CaseInsensitiveOption;
}
regexp = QRegularExpression(QString::fromStdString(regexp_str), popts);
regexp2 = QRegularExpression(QString::fromStdString(regexp2_str), popts);
@ -3021,15 +3037,17 @@ static int computeSize(string s, int len)
for (int i = 0; i < len; i += skip, count++) {
if (s.at(i) == '\\') {
skip = 2;
if (isLyxAlpha(s.at(i+1))) {
if (i + 1 < len && isLyxAlpha(s.at(i+1))) {
for (int j = 2; i+j < len; j++) {
if (isLyxAlpha(s.at(i+j))) {
if (! isLyxAlpha(s.at(i+j))) {
if (s.at(i+j) == ' ')
skip++;
else if ((s.at(i+j) == '{') && s.at(i+j+1) == '}')
skip += 2;
else if ((s.at(i+j) == '{') && (i + j + 1 >= len))
skip++;
else if (s.at(i+j) == '{') {
if (i+j+1 < len && s.at(i+j+1) == '}')
skip += 2;
else if (i + j + 1 >= len)
skip++;
}
break;
}
skip++;
@ -3037,14 +3055,14 @@ static int computeSize(string s, int len)
}
}
else if (s.at(i) == '{') {
if (s.at(i+1) == '}')
if (i + 1 < len && s.at(i+1) == '}')
skip = 2;
else
skip = 3;
}
else if (s.at(i) == '-') {
if (s.at(i+1) == '-') {
if (s.at(i+2) == '-')
if (i+1 < len && s.at(i+1) == '-') {
if (i + 2 < len && s.at(i+2) == '-')
skip = 3;
else
skip = 2;