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Now Adv. F&R correctly interprets escape sequences within regexp insets, e.g., \\ or \(, for finding characters with a special meaning in regular expression context (\^()[]).
Added corresponding regression tests findadv-re-01 and -02 for finding these special characters.
Unfortunately, braces {} are a little bit special and don't work yet. Added findadv-re-03 regression test to not forget about this case.
This goes along the line of fixing issues reported by Andrew Parsloe and summarised as #7638.
Last note: Still there will be cases when the Advanced F&R won't work, especially if the text to be found and/or the search pattern is preceded by backslashes or others.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@39135 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Tommaso Cucinotta
parent
008815a972
commit
a48baee56f
35
development/autotests/findadv-re-01-in.txt
Normal file
35
development/autotests/findadv-re-01-in.txt
Normal file
@ -0,0 +1,35 @@
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# Finding special latex/regexp chars: (
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#
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Lang it_IT.utf8
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \\()[]{}%^#@?*.\C\[Home]
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KK: \Cs
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KK: \CF
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KK: \Axregexp-mode\[Return]\\(\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 1\n with len: 1' lyx-log.txt
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#
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \CF
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# Uncheck ignore format
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KK: \Az\Ag\Ae
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KK: \Axregexp-mode\[Return]\\(\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 1\n with len: 1' lyx-log.txt
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# Finding special latex/regexp chars: [
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#
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Lang it_IT.utf8
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \CF
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KK: \Axregexp-mode\[Return]\\[\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 3\n with len: 1' lyx-log.txt
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#
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \CF
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# Uncheck ignore format
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KK: \Az\Ag\Ae
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KK: \Axregexp-mode\[Return]\\[\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 3\n with len: 1' lyx-log.txt
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52
development/autotests/findadv-re-02-in.txt
Normal file
52
development/autotests/findadv-re-02-in.txt
Normal file
@ -0,0 +1,52 @@
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# Finding special latex/regexp chars: \
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#
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Lang it_IT.utf8
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \\()[]{}%^#@?*.\C\[Home]
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KK: \Cs
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KK: \CF
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KK: \Axregexp-mode\[Return]\\\\\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 0\n with len: 1' lyx-log.txt
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#
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \CF
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# Uncheck ignore format
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KK: \Az\Ag\Ae
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KK: \Axregexp-mode\[Return]\\\\\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 0\n with len: 1' lyx-log.txt
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# Finding special latex/regexp chars: %
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#
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Lang it_IT.utf8
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \CF
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KK: \Axregexp-mode\[Return]%\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 7\n with len: 1' lyx-log.txt
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#
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \CF
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# Uncheck ignore format
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KK: \Az\Ag\Ae
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KK: \Axregexp-mode\[Return]%\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 7\n with len: 1' lyx-log.txt
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# Finding special latex/regexp chars: ^
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#
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Lang it_IT.utf8
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \CF
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KK: \Axregexp-mode\[Return]\\^\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 8\n with len: 1' lyx-log.txt
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#
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \CF
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# Uncheck ignore format
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KK: \Az\Ag\Ae
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KK: \Axregexp-mode\[Return]\\^\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 8\n with len: 1' lyx-log.txt
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35
development/autotests/findadv-re-03-in.txt
Normal file
35
development/autotests/findadv-re-03-in.txt
Normal file
@ -0,0 +1,35 @@
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# Finding special latex/regexp chars: {
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#
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Lang it_IT.utf8
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \\()[]{}%^#@?*.\C\[Home]
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KK: \Cs
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KK: \CF
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KK: \Axregexp-mode\[Return]\\{\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 5\n with len: 1' lyx-log.txt
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#
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \CF
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# Uncheck ignore format
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KK: \Az\Ag\Ae
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KK: \Axregexp-mode\[Return]\\{\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 5\n with len: 1' lyx-log.txt
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# Finding special latex/regexp chars: }
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#
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Lang it_IT.utf8
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \CF
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KK: \Axregexp-mode\[Return]\\}\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 5\n with len: 1' lyx-log.txt
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#
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TestBegin test.lyx -dbg find > lyx-log.txt 2>&1
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KK: \CF
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# Uncheck ignore format
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KK: \Az\Ag\Ae
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KK: \Axregexp-mode\[Return]\\}\[Return]
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TestEnd
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Assert pcregrep -M 'Putting selection at .*idx: 0 par: 0 pos: 5\n with len: 1' lyx-log.txt
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123
src/lyxfind.cpp
123
src/lyxfind.cpp
@ -490,12 +490,11 @@ namespace {
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typedef vector<pair<string, string> > Escapes;
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/// A map of symbols and their escaped equivalent needed within a regex.
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/// @note Beware of order
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Escapes const & get_regexp_escapes()
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{
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static Escapes escape_map;
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if (escape_map.empty()) {
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escape_map.push_back(pair<string, string>("\\", "\\\\"));
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escape_map.push_back(pair<string, string>("^", "\\^"));
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escape_map.push_back(pair<string, string>("$", "\\$"));
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escape_map.push_back(pair<string, string>("{", "\\{"));
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escape_map.push_back(pair<string, string>("}", "\\}"));
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@ -506,6 +505,9 @@ Escapes const & get_regexp_escapes()
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escape_map.push_back(pair<string, string>("+", "\\+"));
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escape_map.push_back(pair<string, string>("*", "\\*"));
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escape_map.push_back(pair<string, string>(".", "\\."));
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escape_map.push_back(pair<string, string>("\\", "(?:\\\\|\\\\backslash)"));
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escape_map.push_back(pair<string, string>("~", "(?:\\\\textasciitilde|\\\\sim)"));
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escape_map.push_back(pair<string, string>("^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex"));
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}
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return escape_map;
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}
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@ -514,14 +516,30 @@ Escapes const & get_regexp_escapes()
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Escapes const & get_lyx_unescapes() {
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static Escapes escape_map;
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if (escape_map.empty()) {
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escape_map.push_back(pair<string, string>("{*}", "*"));
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escape_map.push_back(pair<string, string>("{[}", "["));
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escape_map.push_back(pair<string, string>("\\$", "$"));
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escape_map.push_back(pair<string, string>("\\backslash{}", "\\"));
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escape_map.push_back(pair<string, string>("\\%", "%"));
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escape_map.push_back(pair<string, string>("\\{", "{"));
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escape_map.push_back(pair<string, string>("\\}", "}"));
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escape_map.push_back(pair<string, string>("\\mathcircumflex ", "^"));
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escape_map.push_back(pair<string, string>("\\mathcircumflex", "^"));
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escape_map.push_back(pair<string, string>("\\backslash ", "\\"));
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escape_map.push_back(pair<string, string>("\\backslash", "\\"));
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escape_map.push_back(pair<string, string>("\\sim ", "~"));
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escape_map.push_back(pair<string, string>("\\^", "^"));
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escape_map.push_back(pair<string, string>("\\sim", "~"));
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}
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return escape_map;
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}
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/// A map of escapes turning a regexp matching text to one matching latex.
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Escapes const & get_regexp_latex_escapes() {
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static Escapes escape_map;
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if (escape_map.empty()) {
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escape_map.push_back(pair<string, string>("\\\\", "(?:\\\\\\\\|\\\\backslash|\\\\textbackslash\\{\\})"));
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escape_map.push_back(pair<string, string>("(<?!\\\\\\\\textbackslash)\\{", "\\\\\\{"));
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escape_map.push_back(pair<string, string>("(<?!\\\\\\\\textbackslash\\\\\\{)\\}", "\\\\\\}"));
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escape_map.push_back(pair<string, string>("\\[", "\\{\\[\\}"));
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escape_map.push_back(pair<string, string>("\\]", "\\{\\]\\}"));
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escape_map.push_back(pair<string, string>("\\^", "(?:\\^|\\\\textasciicircum\\{\\}|\\\\mathcircumflex)"));
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escape_map.push_back(pair<string, string>("%", "\\\\\\%"));
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}
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return escape_map;
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}
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@ -538,7 +556,7 @@ string apply_escapes(string s, Escapes const & escape_map)
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unsigned int pos = 0;
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while (pos < s.length() && (pos = s.find(it->first, pos)) < s.length()) {
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s.replace(pos, it->first.length(), it->second);
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// LYXERR(Debug::FIND, "After escape: " << s);
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LYXERR(Debug::FIND, "After escape: " << s);
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pos += it->second.length();
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// LYXERR(Debug::FIND, "pos: " << pos);
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}
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@ -550,7 +568,7 @@ string apply_escapes(string s, Escapes const & escape_map)
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/** Return the position of the closing brace matching the open one at s[pos],
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** or s.size() if not found.
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**/
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size_t find_matching_brace(string const & s, size_t pos)
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static size_t find_matching_brace(string const & s, size_t pos)
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{
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LASSERT(s[pos] == '{', /* */);
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int open_braces = 1;
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@ -570,7 +588,8 @@ size_t find_matching_brace(string const & s, size_t pos)
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/// Within \regexp{} apply get_lyx_unescapes() only (i.e., preserve regexp semantics of the string),
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/// while outside apply get_lyx_unescapes()+get_regexp_escapes().
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string escape_for_regex(string s)
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/// If match_latex is true, then apply regexp_latex_escapes() to \regexp{} contents as well.
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string escape_for_regex(string s, bool match_latex)
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{
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size_t pos = 0;
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while (pos < s.size()) {
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@ -591,6 +610,8 @@ string escape_for_regex(string s)
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size_t end_pos = s.find("}}}", new_pos + 10); // find_matching_brace(s, new_pos + 7);
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LYXERR(Debug::FIND, "end_pos: " << end_pos);
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t = apply_escapes(s.substr(new_pos + 10, end_pos - (new_pos + 10)), get_lyx_unescapes());
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if (match_latex)
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t = apply_escapes(t, get_regexp_latex_escapes());
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LYXERR(Debug::FIND, "t : " << t);
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if (end_pos == s.size()) {
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s.replace(new_pos, end_pos - new_pos, t);
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@ -652,10 +673,10 @@ bool braces_match(string::const_iterator const & beg,
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}
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}
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if (open_pars != unmatched) {
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LYXERR(Debug::FIND, "Found " << open_pars
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<< " instead of " << unmatched
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<< " unmatched open braces at the end of count");
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return false;
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LYXERR(Debug::FIND, "Found " << open_pars
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<< " instead of " << unmatched
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<< " unmatched open braces at the end of count");
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return false;
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}
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LYXERR(Debug::FIND, "Braces match as expected");
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return true;
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@ -711,6 +732,10 @@ private:
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lyx::regex regexp;
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// same as regexp, but prefixed with a ".*"
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lyx::regex regexp2;
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// leading format material as string
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string lead_as_string;
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// par_as_string after removal of lead_as_string
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string par_as_string_nolead;
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// unmatched open braces in the search string/regexp
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int open_braces;
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// number of (.*?) subexpressions added at end of search regexp for closing
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@ -769,7 +794,7 @@ static docstring stringifySearchBuffer(Buffer & buffer, FindAndReplaceOptions co
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static size_t identifyLeading(string const & s) {
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string t = s;
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// @TODO Support \item[text]
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while (regex_replace(t, t, "\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)\\*?\\{", "")
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while (regex_replace(t, t, "^\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)\\*?\\{", "")
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|| regex_replace(t, t, "^\\$", "")
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|| regex_replace(t, t, "^\\\\\\[ ", "")
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|| regex_replace(t, t, "^\\\\item ", "")
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@ -779,6 +804,27 @@ static size_t identifyLeading(string const & s) {
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}
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// Remove trailing closure of math, macros and environments, so to catch parts of them.
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static int identifyClosing(string & t) {
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int open_braces = 0;
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do {
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LYXERR(Debug::FIND, "identifyClosing(): t now is '" << t << "'");
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if (regex_replace(t, t, "(.*[^\\\\])\\$\\'", "$1"))
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continue;
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if (regex_replace(t, t, "(.*[^\\\\]) \\\\\\]\\'", "$1"))
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continue;
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if (regex_replace(t, t, "(.*[^\\\\]) \\\\end\\{[a-zA-Z_]*\\*?\\}\\'", "$1"))
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continue;
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if (regex_replace(t, t, "(.*[^\\\\])\\}\\'", "$1")) {
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++open_braces;
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continue;
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}
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break;
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} while (true);
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return open_braces;
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}
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MatchStringAdv::MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const & opt)
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: p_buf(&buf), p_first_buf(&buf), opt(opt)
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{
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@ -787,37 +833,30 @@ MatchStringAdv::MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const &
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open_braces = 0;
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close_wildcards = 0;
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use_regexp = !opt.ignoreformat || par_as_string.find("\\regexp") != std::string::npos;
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use_regexp = par_as_string.find("\\regexp") != std::string::npos;
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size_t lead_size = 0;
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if (!opt.ignoreformat) {
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lead_size = identifyLeading(par_as_string);
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lead_as_string = par_as_string.substr(0, lead_size);
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par_as_string_nolead = par_as_string.substr(lead_size, par_as_string.size() - lead_size);
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}
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if (!use_regexp) {
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// Remove trailing closure of math, macros and environments, so to catch parts of them.
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do {
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LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
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if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\])\\$\\'", "$1"))
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continue;
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// @todo need to account for open square braces as well ?
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if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\]) \\\\\\]\\'", "$1"))
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continue;
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if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\]) \\\\end\\{[a-zA-Z_]*\\*?\\}\\'", "$1"))
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continue;
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if (regex_replace(par_as_string, par_as_string, "(.*[^\\\\])\\}\\'", "$1")) {
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++open_braces;
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continue;
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}
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break;
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} while (true);
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open_braces = identifyClosing(par_as_string);
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identifyClosing(par_as_string_nolead);
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LYXERR(Debug::FIND, "Open braces: " << open_braces);
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LYXERR(Debug::FIND, "Built MatchStringAdv object: par_as_string = '" << par_as_string << "'");
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} else {
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size_t lead_size = identifyLeading(par_as_string);
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string lead_as_regexp;
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if (lead_size > 0) {
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lead_as_regexp = escape_for_regex(par_as_string.substr(0, lead_size));
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par_as_string = par_as_string.substr(lead_size, par_as_string.size() - lead_size);
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// @todo No need to search for \regexp{} insets in leading material
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lead_as_regexp = escape_for_regex(par_as_string.substr(0, lead_size), !opt.ignoreformat);
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par_as_string = par_as_string_nolead;
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LYXERR(Debug::FIND, "lead_as_regexp is '" << lead_as_regexp << "'");
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LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
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}
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par_as_string = escape_for_regex(par_as_string);
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par_as_string = escape_for_regex(par_as_string, !opt.ignoreformat);
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// Insert (.*?) before trailing closure of math, macros and environments, so to catch parts of them.
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LYXERR(Debug::FIND, "par_as_string now is '" << par_as_string << "'");
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if (
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@ -839,12 +878,12 @@ MatchStringAdv::MatchStringAdv(lyx::Buffer & buf, FindAndReplaceOptions const &
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LYXERR(Debug::FIND, "Replaced text (to be used as regex): " << par_as_string);
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// If entered regexp must match at begin of searched string buffer
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string regexp_str = string("\\`") + lead_as_regexp + par_as_string;
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LYXERR(Debug::FIND, "Setting regexp to : " << regexp_str << endl);
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LYXERR(Debug::FIND, "Setting regexp to : '" << regexp_str << "'");
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regexp = lyx::regex(regexp_str);
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// If entered regexp may match wherever in searched string buffer
|
||||
string regexp2_str = string("\\`.*") + lead_as_regexp + ".*" + par_as_string;
|
||||
LYXERR(Debug::FIND, "Setting regexp2 to: " << regexp2_str << endl);
|
||||
LYXERR(Debug::FIND, "Setting regexp2 to: '" << regexp2_str << "'");
|
||||
regexp2 = lyx::regex(regexp2_str);
|
||||
}
|
||||
}
|
||||
@ -858,17 +897,13 @@ int MatchStringAdv::findAux(DocIterator const & cur, int len, bool at_begin) con
|
||||
LYXERR(Debug::FIND, "After normalization: '" << str << "'");
|
||||
if (! use_regexp) {
|
||||
LYXERR(Debug::FIND, "Searching in normal mode: par_as_string='" << par_as_string << "', str='" << str << "'");
|
||||
LYXERR(Debug::FIND, "Searching in normal mode: lead_as_string='" << lead_as_string << "', par_as_string_nolead='" << par_as_string_nolead << "'");
|
||||
if (at_begin) {
|
||||
LYXERR(Debug::FIND, "size=" << par_as_string.size() << ", substr='" << str.substr(0, par_as_string.size()) << "'");
|
||||
if (str.substr(0, par_as_string.size()) == par_as_string)
|
||||
return par_as_string.size();
|
||||
} else {
|
||||
string t = par_as_string;
|
||||
while (regex_replace(t, t, "\\\\(emph|textbf|subsubsection|subsection|section|subparagraph|paragraph|part)\\{", "")
|
||||
|| regex_replace(t, t, "^\\$", "")
|
||||
|| regex_replace(t, t, "^\\\\\\[ ", ""))
|
||||
LYXERR(Debug::FIND, " after removing leading $, \\[ , \\emph{, \\textbf{, etc.: " << t);
|
||||
size_t pos = str.find(t);
|
||||
size_t pos = str.find(par_as_string_nolead);
|
||||
if (pos != string::npos)
|
||||
return par_as_string.size();
|
||||
}
|
||||
|
||||
@ -1724,7 +1724,29 @@ bool InsetMathNest::interpretChar(Cursor & cur, char_type const c)
|
||||
}
|
||||
|
||||
// These should be treated differently when not in text mode:
|
||||
if (currentMode() != InsetMath::TEXT_MODE) {
|
||||
if (cur.inRegexped()) {
|
||||
switch (c) {
|
||||
case '\\':
|
||||
cur.niceInsert(createInsetMath("backslash", buf));
|
||||
break;
|
||||
case '^':
|
||||
cur.niceInsert(createInsetMath("mathcircumflex", buf));
|
||||
break;
|
||||
case '{':
|
||||
case '}':
|
||||
case '#':
|
||||
case '%':
|
||||
case '_':
|
||||
cur.niceInsert(createInsetMath(docstring(1, c), buf));
|
||||
break;
|
||||
case '~':
|
||||
cur.niceInsert(createInsetMath("sim", buf));
|
||||
break;
|
||||
default:
|
||||
cur.insert(c);
|
||||
}
|
||||
return true;
|
||||
} else if (currentMode() != InsetMath::TEXT_MODE) {
|
||||
if (c == '_') {
|
||||
script(cur, false, save_selection);
|
||||
return true;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user