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Escape special chars in indexes

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We now have the functionality via sub-insets, and unexperienced users
are surprised when they don't get a literal !.

The unescaped chars can still be used via ERT.
This commit is contained in:
Juergen Spitzmueller 2024-08-12 17:10:57 +02:00
parent 0d87a3aab2
commit 6fa0532ed4
8 changed files with 244 additions and 153 deletions
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96
lib/doc/UserGuide.lyx
View File

@ -35194,10 +35194,33 @@ Note also that in \SpecialChar LaTeX
.
This also works in \SpecialChar LyX
,
although you have to take care that the character is not formatted.
For this reason,
although you
\change_deleted -712698321 1723474901
have
\change_inserted -712698321 1723474901
need
\change_unchanged
to
\change_inserted -712698321 1723474911
insert
\change_deleted -712698321 1723474914
take care that
\change_unchanged
the character
\change_deleted -712698321 1723474917
is not formatted
\change_inserted -712698321 1723474926
in \SpecialChar TeX
mode
\change_unchanged
.
\change_deleted -712698321 1723474935
For this reason,
a real exclamation mark has to be inserted to an index entry in a specific way.
See section
\change_unchanged
See section
\begin_inset space ~
\end_inset
@ -35493,10 +35516,21 @@ Note that in \SpecialChar LaTeX
.
This also works in \SpecialChar LyX
,
although you have to take care that the character is not formatted.
For this reason,
although you
\change_deleted -712698321 1723475013
have to take care that the character is not formatted
\change_inserted -712698321 1723475013
need to insert the character in \SpecialChar TeX
mode
\change_unchanged
.
\change_deleted -712698321 1723475019
For this reason,
a real @ character has to be inserted to an index entry in a specific way.
See section
\change_unchanged
See section
\begin_inset space ~
\end_inset
@ -35894,13 +35928,39 @@ status collapsed
\end_inset
.
If you use them literally,
\change_deleted -712698321 1723475049
If you use them literally,
you might get surprising results or even a non-working index.
In any case,
you will not get the character itself.
you will not get the character itself
\change_inserted -712698321 1723475153
Since the respective functionality is achievable in \SpecialChar LyX
via sub-insets,
these characters are escaped by
\begin_inset Flex Code
status collapsed
\begin_layout Plain Layout
\change_inserted -712698321 1723475136
\begin_inset Quotes qld
\end_inset
\end_layout
\end_inset
if you insert them to indexes,
so you get the literal character in the output
\change_unchanged
.
\end_layout
\begin_layout Standard
\change_deleted -712698321 1723475160
In order to use these characters in inset entries,
they have to be
\begin_inset Quotes els
@ -36002,11 +36062,27 @@ status collapsed
\end_inset
,
\change_inserted -712698321 1723475173
If you want the special meaning instead,
you
\change_unchanged
\emph on
must
\emph default
be inserted in a TeX code box (see section
\change_deleted -712698321 1723475181
be
\change_unchanged
insert
\change_deleted -712698321 1723475183
ed
\change_unchanged
\change_inserted -712698321 1723475191
these special characters
\change_unchanged
in a TeX code box (see section
\begin_inset space ~
\end_inset
@ -37370,6 +37446,8 @@ status collapsed
\backslash
protect
\change_unchanged
\end_layout
\end_inset

136
lib/doc/de/UserGuide.lyx
View File

@ -34426,10 +34426,8 @@ Beachten Sie außerdem,
markiert werden.
Das funktioniert auch in \SpecialChar LyX
,
allerdings müssen Sie darauf achten,
dass das Zeichen nicht formatiert ist.
Da das Ausrufezeichen in Indexeinträgen diese spezielle Bedeutung hat,
müssen echte Anführungszeichen in einer spezifischen Art und Weise eingegeben werden.
allerdings müssen Sie das Zeichen hierfür im \SpecialChar TeX
-Modus eingeben.
Dies wird in Abschnitt
\begin_inset space ~
\end_inset
@ -34734,10 +34732,9 @@ Beachten Sie,
abgetrennt werden.
Das funktioniert auch in \SpecialChar LyX
,
allerdings müssen Sie darauf achten,
dass das Zeichen nicht formatiert ist.
Da das @-Zeichen in Indexeinträgen diese spezielle Bedeutung hat,
müssen echte Klammeraffen in einer spezifischen Art und Weise eingegeben werden.
,
allerdings müssen Sie das Zeichen hierfür im \SpecialChar TeX
-Modus eingeben.
Dies wird in Abschnitt
\begin_inset space ~
\end_inset
@ -35215,112 +35212,29 @@ status collapsed
\end_inset
.
Wenn Sie diese verwenden,
bekommen Sie unter Umständen überraschende Ergebnisse oder die Erstellung des Stichwortverzeichnisses schlägt sogar fehl.
Jedenfalls bekommen Sie nicht das Zeichen selbst.
Da die damit erzielte Funktionalität in \SpecialChar LyX
durch Untereinfügungen zugänglich ist,
werden diese Sonderzeichen mit
\begin_inset Flex Code
status collapsed
\begin_layout Plain Layout
\begin_inset Quotes qld
\end_inset
\end_layout
\end_inset
maskiert,
wenn Sie sie in einen Index eingeben.
Dadurch bekommen Sie das Zeichen selbst im Index ausgegeben.
\end_layout
\begin_layout Standard
Um diese Zeichen in Stichworteinträgen zu verwenden,
müssen Sie spezifisch markiert werden:
Ihnen muss ein sog.
Escape-Zeichen vorangestellt werden,
das dem Indexprozessor mitteilt,
dass dieses Zeichen nicht in seiner speziellen Bedeutung gemeint ist.
Per Voreinstellung ist dieses Escape-Zeichen
\begin_inset Flex Code
status collapsed
\begin_layout Plain Layout
\begin_inset Quotes qld
\end_inset
\end_layout
\end_inset
(aber das kann man auch ändern).
Geben Sie also
\begin_inset Flex Code
status collapsed
\begin_layout Plain Layout
\begin_inset Quotes qld
\end_inset
!
\end_layout
\end_inset
,
\begin_inset Flex Code
status collapsed
\begin_layout Plain Layout
\begin_inset Quotes qld
\end_inset
@
\end_layout
\end_inset
,
\begin_inset Flex Code
status collapsed
\begin_layout Plain Layout
\begin_inset Quotes qld
\end_inset
\begin_inset Quotes qrd
\end_inset
\end_layout
\end_inset
,
oder
\begin_inset Flex Code
status collapsed
\begin_layout Plain Layout
\begin_inset Quotes qld
\end_inset
|
\end_layout
\end_inset
ein,
um das entsprechende Zeichen im Stichwortverzeichnis zu bekommen.
Beachten Sie,
dass das Escape-Zeichen
\begin_inset Flex Code
status collapsed
\begin_layout Plain Layout
\begin_inset Quotes qld
\end_inset
\end_layout
\end_inset
dabei über ein TeX-Code-Kästchen eingegeben werden
\emph on
muss
\emph default
(siehe Abschnitt
Wenn Sie die Zeichen in ihrer Spezialbedeutung verwenden wollen,
müssen Sie sie über ein TeX-Code-Kästchen eingeben (siehe Abschnitt
\begin_inset space ~
\end_inset

2
lib/layouts/stdinsets.inc
View File

@ -420,7 +420,7 @@ InsetLayout Index
CustomPars false
ForcePlain true
ContentAsLabel true
PassThruChars @|!
EscapeChars \"@|!
End
InsetLayout IndexMacro:see

97
lib/lyx2lyx/lyx_2_5.py
View File

@ -34,8 +34,8 @@ from lyx2lyx_tools import (
# Uncomment only what you need to import, please (parser_tools):
# check_token, count_pars_in_inset, del_complete_lines,
# del_value, find_complete_lines, find_end_of,
# find_re, find_substring, find_token_backwards, find_token_exact,
# find_tokens, get_bool_value, get_containing_inset,
# find_re, find_token_backwards, find_token_exact,
# find_tokens, get_bool_value,
# get_containing_layout, get_option_value,
# is_in_inset, set_bool_value
from parser_tools import (
@ -43,7 +43,9 @@ from parser_tools import (
find_end_of_inset,
find_end_of_layout,
find_re,
find_substring,
find_token,
get_containing_inset,
get_quoted_value,
get_value
)
@ -620,6 +622,93 @@ def revert_nomencl(document):
i += 1
def convert_index_sc(document):
"""Convert index special characters to ERT."""
i = 0
while True:
i = find_token(document.body, "\\begin_inset Index", i)
if i == -1:
return
j = find_end_of_inset(document.body, i)
if j == -1:
document.warning(
"Malformed LyX document: Can't find end of index inset at line %d" % i
)
i += 1
continue
escchars = ["!", "@", "|"]
for ec in escchars:
k = i;
while True:
j = find_end_of_inset(document.body, i)
k = find_substring(document.body, ec, k, j)
if k == -1:
break
if get_containing_inset(document.body, k)[0] == "ERT":
k += 1
continue
line = document.body[k]
chunks = line.split(ec)
repl = []
if line[0] == ec:
repl = put_cmd_in_ert(ec)
chunks_len = len(chunks)-1
for ch in chunks[:-1]:
repl += [ch]
repl += put_cmd_in_ert(ec)
repl += chunks[-1:]
if line[-1:] == ec:
repl += put_cmd_in_ert(ec)
document.body[k:k+1] = repl
i += 1
def revert_index_sc(document):
"""Escape index special characters."""
i = 0
while True:
i = find_token(document.body, "\\begin_inset Index", i)
if i == -1:
return
j = find_end_of_inset(document.body, i)
if j == -1:
document.warning(
"Malformed LyX document: Can't find end of index inset at line %d" % i
)
i += 1
continue
escchars = ["!", "@", "|"]
for ec in escchars:
k = i;
while True:
j = find_end_of_inset(document.body, i)
k = find_substring(document.body, ec, k, j)
if k == -1:
break
if get_containing_inset(document.body, k)[0] == "ERT":
k += 1
continue
line = document.body[k]
chunks = line.split(ec)
repl = []
chunks_len = len(chunks)-1
for ch in chunks[:-1]:
repl += [ch]
repl += put_cmd_in_ert("\"")
repl += [ec]
repl += chunks[-1:]
document.body[k:k+1] = repl
k += len(repl)
i += 1
##
# Conversion hub
#
@ -632,12 +721,12 @@ convert = [
[624, [convert_biblatex_chicago]],
[625, []],
[626, []],
[627, [convert_nomencl]]
[627, [convert_nomencl, convert_index_sc]]
]
revert = [
[626, [revert_nomencl]],
[626, [revert_nomencl, revert_index_sc]],
[625, [revert_nomencl_textwidth]],
[624, [revert_nptextcite]],
[623, [revert_biblatex_chicago]],

6
src/Layout.cpp
View File

@ -669,9 +669,11 @@ bool Layout::readIgnoreForcelocal(Lexer & lex, TextClass const & tclass,
lex >> pass_thru;
break;
case LT_ESCAPE_CHARS:
lex >> escape_chars;
case LT_ESCAPE_CHARS: {
lex.next(true);
escape_chars = lex.getDocString();
break;
}
case LT_PASS_THRU_CHARS:
lex >> pass_thru_chars;

49
src/insets/InsetIndex.cpp
View File

@ -191,6 +191,11 @@ void InsetIndex::latex(otexstream & ios, OutputParams const & runparams_in) cons
docstring latexstr = ourlatex.str();
docstring plainstr = ourplain.str();
// get the escape char from the layout
docstring const escape_char = (runparams.escape_chars.empty())
? from_ascii("\"")
: runparams.escape_chars.substr(0,1);
// This will get what follows | if anything does,
// the command (e.g., see, textbf) for pagination
// formatting
@ -205,10 +210,10 @@ void InsetIndex::latex(otexstream & ios, OutputParams const & runparams_in) cons
cmd = from_utf8(params_.pagefmt);
} else {
// Check for the | separator to strip the cmd.
// This goes wrong on an escaped "|", but as the escape
// character can be changed in style files, we cannot
// prevent that.
// Consider escaped "|"
size_t pos = latexstr.find(from_ascii("|"));
while (pos > 0 && pos < docstring::npos && prefixIs(latexstr.substr(pos - 1), escape_char))
pos = latexstr.find(from_ascii("|"), pos + 1);
if (pos != docstring::npos) {
// Put the bit after "|" into cmd...
cmd = latexstr.substr(pos + 1);
@ -228,23 +233,22 @@ void InsetIndex::latex(otexstream & ios, OutputParams const & runparams_in) cons
getSubentries(otsub, runparams, ourlatex.str());
if (subentries.str().empty()) {
// Separate the entries and subentries, i.e., split on "!".
// This goes wrong on an escaped "!", but as the escape
// character can be changed in style files, we cannot
// prevent that.
// Consider escaped "!"
// temporarily replace "! with SUBST character
docstring const sub_latexstring =
subst(latexstr, escape_char + from_ascii("!"), docstring(1, 0x001A));
std::vector<docstring> const levels =
getVectorFromString(latexstr, from_ascii("!"), true);
std::vector<docstring> const levels_plain =
getVectorFromString(plainstr, from_ascii("!"), true);
getVectorFromString(sub_latexstring, from_ascii("!"), true);
vector<docstring>::const_iterator it = levels.begin();
vector<docstring>::const_iterator end = levels.end();
vector<docstring>::const_iterator it2 = levels_plain.begin();
bool first = true;
for (; it != end; ++it) {
if ((*it).empty()) {
// replace back "!
docstring const thislevel =
subst(*it, docstring(1, 0x001A), escape_char + from_ascii("!"));
if (thislevel.empty()) {
emptySubentriesWarning(ourlatex.str());
if (it2 < levels_plain.end())
++it2;
continue;
}
// The separator needs to be put back when
@ -261,15 +265,12 @@ void InsetIndex::latex(otexstream & ios, OutputParams const & runparams_in) cons
// e.g. \index{LyX@\LyX}, \index{text@\textbf{text}}.
// We do this on all levels.
// We don't do it if the level already contains a '@', though.
// Plaintext might return nothing (e.g. for ERTs).
// In that case, we use LaTeX.
docstring const spart = (levels_plain.empty() || (*it2).empty()) ? *it : *it2;
processLatexSorting(os, runparams, *it, spart);
if (it2 < levels_plain.end())
++it2;
// We use a somewhat "plain" representation for this
docstring const spart = Encodings::convertLaTeXCommands(thislevel);
processLatexSorting(os, runparams, thislevel, spart, escape_char);
}
} else {
processLatexSorting(os, runparams, latexstr, plainstr);
processLatexSorting(os, runparams, latexstr, plainstr, escape_char);
os << subentries.str();
}
@ -295,9 +296,13 @@ void InsetIndex::latex(otexstream & ios, OutputParams const & runparams_in) cons
void InsetIndex::processLatexSorting(otexstream & os, OutputParams const & runparams,
docstring const & latex, docstring const & spart) const
docstring const & latex, docstring const & spart,
docstring const & esc) const
{
if (contains(latex, '\\') && !contains(latex, '@')) {
size_t at_pos = latex.find(from_ascii("@"));
while (at_pos > 0 && at_pos < docstring::npos && latex.substr(at_pos - 1, at_pos) == esc)
at_pos = latex.find(from_ascii("|"), at_pos + 1);
if (contains(latex, '\\') && at_pos == docstring::npos) {
// Now we need to validate that all characters in
// the sorting part are representable in the current
// encoding. If not try the LaTeX macro which might

3
src/insets/InsetIndex.h
View File

@ -81,7 +81,8 @@ private:
void latex(otexstream &, OutputParams const &) const override;
///
void processLatexSorting(otexstream &, OutputParams const &,
docstring const &, docstring const &) const;
docstring const &, docstring const &,
docstring const &) const;
///
bool showInsetDialog(BufferView *) const override;
///

8
src/insets/InsetLayout.cpp
View File

@ -386,9 +386,11 @@ bool InsetLayout::read(Lexer & lex, TextClass const & tclass,
lex >> forceplain_;
readCustomOrPlain = true;
break;
case IL_ESCAPE_CHARS:
lex >> escape_chars_;
case IL_ESCAPE_CHARS: {
lex.next(true);
escape_chars_ = lex.getDocString();
break;
}
case IL_PASSTHRU:
lex >> passthru_;
break;
@ -928,7 +930,7 @@ void InsetLayout::readArgument(Lexer & lex)
} else if (tok == "labelfont") {
arg.labelfont = lyxRead(lex, arg.labelfont);
} else if (tok == "escapechars") {
lex.next();
lex.next(true);
arg.escape_chars = lex.getDocString();
} else if (tok == "passthruchars") {
lex.next();