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Fix bug #8944 by introducing a maximum size for keys we process.

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Backported from b7a1eb68e1.
This commit is contained in:
Richard Heck 2014-02-13 18:01:41 -05:00
parent 30c2e1d687
commit 6d63895887
3 changed files with 31 additions and 17 deletions
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34
src/BiblioInfo.cpp
View File

@ -228,9 +228,9 @@ docstring const BibTeXInfo::getAbbreviatedAuthor() const
return authors;
}
docstring author = convertLaTeXCommands(operator[]("author"));
docstring author = operator[]("author");
if (author.empty()) {
author = convertLaTeXCommands(operator[]("editor"));
author = operator[]("editor");
if (author.empty())
return bib_key_;
}
@ -243,15 +243,17 @@ docstring const BibTeXInfo::getAbbreviatedAuthor() const
vector<docstring> const authors =
getVectorFromString(author, from_ascii(" and "));
docstring retval = familyName(authors[0]);
if (authors.size() == 2 && authors[1] != "others")
return bformat(from_ascii("%1$s and %2$s"),
retval = bformat(from_ascii("%1$s and %2$s"),
familyName(authors[0]), familyName(authors[1]));
if (authors.size() >= 2)
return bformat(from_ascii("%1$s et al."),
retval = bformat(from_ascii("%1$s et al."),
familyName(authors[0]));
return familyName(authors[0]);
return convertLaTeXCommands(retval);
}
@ -417,6 +419,13 @@ docstring BibTeXInfo::expandFormat(string const & format,
{
// incorrect use of macros could put us in an infinite loop
static int max_passes = 5000;
// the use of overly large keys can lead to performance problems, due
// to eventual attempts to convert LaTeX macros to unicode. See bug
// #8944. This is perhaps not the best solution, but it will have to
// do for now.
static size_t const max_keysize = 128;
docstring ret; // return value
string key;
bool scanning_key = false;
@ -453,7 +462,7 @@ docstring BibTeXInfo::expandFormat(string const & format,
translateIfPossible(from_utf8(val), buf.params().language->code());
ret += trans;
} else {
docstring const val = getValueForKey(key, xref);
docstring const val = getValueForKey(key, xref, max_keysize);
if (richtext && !scanning_rich)
ret += from_ascii("<span class=\"bib-" + key + "\">");
ret += val;
@ -588,12 +597,17 @@ docstring const & BibTeXInfo::operator[](string const & field) const
docstring BibTeXInfo::getValueForKey(string const & key,
BibTeXInfo const * const xref) const
BibTeXInfo const * const xref, size_t maxsize) const
{
docstring const ret = operator[](key);
if (!ret.empty() || !xref)
// anything less is pointless
LASSERT(maxsize >= 16, maxsize = 16);
docstring ret = operator[](key);
if (ret.empty() && xref)
ret = (*xref)[key];
// make sure it is not too big
if (ret.size() > maxsize)
ret = ret.substr(0, maxsize - 3) + from_ascii("...");
return ret;
return (*xref)[key];
}

2
src/BiblioInfo.h
View File

@ -109,7 +109,7 @@ private:
/// to get the data from xref BibTeXInfo object, which would normally
/// be the one referenced in the crossref field.
docstring getValueForKey(std::string const & key,
BibTeXInfo const * const xref = 0) const;
BibTeXInfo const * const xref, size_t maxsize = 4096) const;
/// replace %keys% in a format string with their values
/// called from getInfo()
/// format strings may contain:

10
status.20x
View File

@ -67,7 +67,7 @@ What's new
- Fix outliner-related crash when master and child are open in different
windows (bug 8948).
- Correctly compare documents with different author sets (bug 8769).
- Fix hang when using BibTeX files with really long author lists (bug 8944).
- Fix crash with changetracking in bibliography environment (bug 8646).
@ -76,8 +76,10 @@ What's new
- Fix math-ams-matrix function that could corrupt documents if not used properly
(part of bug 8359).
- Fix problem that led to assertion in some cases when space was at
beginning of line (bugs 8838 and 8947).
- Fix problem that led to assertion in some cases when space was at beginning of
line (bugs 8838 and 8947).
- Correctly compare documents with different author sets (bug 8769).
- Fix drawing of table lines of multicolumns (bug 8082).
@ -85,8 +87,6 @@ What's new
- Handle undo in `branch-add' function.
- Fix the missing dynamic menus in general and restore correctly from fullscreen.
- Prevent recurrent pop-up of "missing module requirements" warning (bug 8864).