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FindAdv: Handle normal and protected space also inside regular expression

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This commit is contained in:
Kornel Benko 2022-05-08 20:24:43 +02:00
parent 286dcfc9c7
commit 64af721adc
1 changed files with 12 additions and 5 deletions
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17
src/lyxfind.cpp
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@ -872,7 +872,8 @@ string correctRegex(string t, bool withformat)
* and \{, \}, \[, \] => {, }, [, ]
*/
string s("");
regex wordre("(\\\\)*(\\\\(([A-Za-z]+|[\\{\\}%])( |\\{\\})?|[\\[\\]\\{\\}]))");
static std::regex wordre("(\\\\)*(\\\\(( |[A-Za-z]+|[\\{\\}%])( |\\{\\})?|[\\[\\]\\{\\}]))");
static std::regex protectedSpace { R"(~)" };
size_t lastpos = 0;
smatch sub;
bool backslashed = false;
@ -892,7 +893,7 @@ string correctRegex(string t, bool withformat)
{
// transforms '\backslash \{' into '\{'
string next = t.substr(sub.position(2) + sub.str(2).length(), 2);
if ((next == "\\{") || (next == "\\}")) {
if ((next == "\\{") || (next == "\\}") || (next == "\\ ")) {
replace = "";
backslashed = true;
}
@ -907,6 +908,8 @@ string correctRegex(string t, bool withformat)
replace = accents["braceleft"];
else if (sub.str(3) == "}")
replace = accents["braceright"];
else if (sub.str(3) == " ")
replace = "\\ ";
else {
// else part should not exist
LASSERT(0, /**/);
@ -917,6 +920,8 @@ string correctRegex(string t, bool withformat)
replace = "\\{";
else if (sub.str(3) == "}")
replace = "\\}";
else if (sub.str(3) == " ")
replace = "\\ ";
else {
// else part should not exist
LASSERT(0, /**/);
@ -929,6 +934,8 @@ string correctRegex(string t, bool withformat)
replace = "}";
else if (sub.str(4) == "%")
replace = "%";
else if (sub.str(4) == " ")
replace = " ";
else {
AccentsIterator it_ac = accents.find(sub.str(4));
if (it_ac == accents.end()) {
@ -940,14 +947,14 @@ string correctRegex(string t, bool withformat)
}
}
if (lastpos < (size_t) sub.position(2))
s += t.substr(lastpos, sub.position(2) - lastpos);
s += std::regex_replace(t.substr(lastpos, sub.position(2) - lastpos), protectedSpace, R"( )");
s += replace;
lastpos = sub.position(2) + sub.length(2);
}
if (lastpos == 0)
s = t;
s = std::regex_replace(t, protectedSpace, R"( )");
else if (lastpos < t.length())
s += t.substr(lastpos, t.length() - lastpos);
s += std::regex_replace(t.substr(lastpos, t.length() - lastpos), protectedSpace, R"( )");
// Handle quotes in regex
// substitute all '„', '“', '»', '«' with '"'
// and all '‚', '‘', '›', '‹' with "\'"