#include "Buffer.h"
#include "BufferParams.h"
#include "buffer_funcs.h"
+#include "Encoding.h"
#include "InsetIterator.h"
#include "Paragraph.h"
namespace lyx {
-//////////////////////////////////////////////////////////////////////
-//
-// BibTeXInfo
-//
-//////////////////////////////////////////////////////////////////////
-
-BibTeXInfo::BibTeXInfo(docstring const & key, docstring const & type)
- : is_bibtex_(true), bib_key_(key), entry_type_(type)
-{}
-
-
-bool BibTeXInfo::hasField(docstring const & field) const
-{
- return count(field) == 1;
-}
-
-
-docstring const & BibTeXInfo::operator[](docstring const & field) const
-{
- BibTeXInfo::const_iterator it = find(field);
- if (it != end())
- return it->second;
- static docstring const empty_value = docstring();
- return empty_value;
-}
-
-
-docstring const & BibTeXInfo::operator[](string const & field) const
-{
- return operator[](from_ascii(field));
-}
-
+namespace {
+// gets the "family name" from an author-type string
docstring familyName(docstring const & name)
{
if (name.empty())
return retval;
}
+// converts a string containing LaTeX commands into unicode
+// for display.
+docstring convertLaTeXCommands(docstring const & str)
+{
+ docstring val = str;
+ docstring ret;
+
+ bool scanning_cmd = false;
+ bool scanning_math = false;
+ bool escaped = false; // used to catch \$, etc.
+ while (val.size()) {
+ char_type const ch = val[0];
+
+ // if we're scanning math, we output everything until we
+ // find an unescaped $, at which point we break out.
+ if (scanning_math) {
+ if (escaped)
+ escaped = false;
+ else if (ch == '\\')
+ escaped = true;
+ else if (ch == '$')
+ scanning_math = false;
+ ret += ch;
+ val = val.substr(1);
+ continue;
+ }
+
+ // if we're scanning a command name, then we just
+ // discard characters until we hit something that
+ // isn't alpha.
+ if (scanning_cmd) {
+ if (isAlphaASCII(ch)) {
+ val = val.substr(1);
+ escaped = false;
+ continue;
+ }
+ // so we're done with this command.
+ // now we fall through and check this character.
+ scanning_cmd = false;
+ }
+
+ // was the last character a \? If so, then this is something like: \\,
+ // or \$, so we'll just output it. That's probably not always right...
+ if (escaped) {
+ ret += ch;
+ val = val.substr(1);
+ escaped = false;
+ continue;
+ }
+
+ if (ch == '$') {
+ ret += ch;
+ val = val.substr(1);
+ scanning_math = true;
+ continue;
+ }
+
+ // we just ignore braces
+ if (ch == '{' || ch == '}') {
+ val = val.substr(1);
+ continue;
+ }
+
+ // we're going to check things that look like commands, so if
+ // this doesn't, just output it.
+ if (ch != '\\') {
+ ret += ch;
+ val = val.substr(1);
+ continue;
+ }
+
+ // ok, could be a command of some sort
+ // let's see if it corresponds to some unicode
+ // unicodesymbols has things in the form: \"{u},
+ // whereas we may see things like: \"u. So we'll
+ // look for that and change it, if necessary.
+ static boost::regex const reg("^\\\\\\W\\w");
+ if (boost::regex_search(to_utf8(val), reg)) {
+ val.insert(3, from_ascii("}"));
+ val.insert(2, from_ascii("{"));
+ }
+ docstring rem;
+ docstring const cnvtd = Encodings::fromLaTeXCommand(val, rem,
+ Encodings::TEXT_CMD);
+ if (!cnvtd.empty()) {
+ // it did, so we'll take that bit and proceed with what's left
+ ret += cnvtd;
+ val = rem;
+ continue;
+ }
+ // it's a command of some sort
+ scanning_cmd = true;
+ escaped = true;
+ val = val.substr(1);
+ }
+ return ret;
+}
+
+} // anon namespace
+
+
+//////////////////////////////////////////////////////////////////////
+//
+// BibTeXInfo
+//
+//////////////////////////////////////////////////////////////////////
+
+BibTeXInfo::BibTeXInfo(docstring const & key, docstring const & type)
+ : is_bibtex_(true), bib_key_(key), entry_type_(type), info_()
+{}
+
+
+bool BibTeXInfo::hasField(docstring const & field) const
+{
+ return count(field) == 1;
+}
+
+
docstring const BibTeXInfo::getAbbreviatedAuthor() const
{
if (!is_bibtex_) {
- docstring const opt = trim(operator[]("label"));
+ docstring const opt = label();
if (opt.empty())
return docstring();
return authors;
}
- docstring author = operator[]("author");
+ docstring author = convertLaTeXCommands(operator[]("author"));
if (author.empty()) {
- author = operator[]("editor");
+ author = convertLaTeXCommands(operator[]("editor"));
if (author.empty())
return bib_key_;
}
docstring const BibTeXInfo::getYear() const
{
- if (!is_bibtex_) {
- docstring const opt = trim(operator[]("label"));
- if (opt.empty())
- return docstring();
+ if (is_bibtex_)
+ return operator[]("year");
- docstring authors;
- docstring const tmp = split(opt, authors, '(');
- docstring year;
- split(tmp, year, ')');
- return year;
- }
+ docstring const opt = label();
+ if (opt.empty())
+ return docstring();
- docstring year = operator[]("year");
- if (year.empty())
- year = _("No year");
+ docstring authors;
+ docstring const tmp = split(opt, authors, '(');
+ docstring year;
+ split(tmp, year, ')');
return year;
}
-docstring const BibTeXInfo::getInfo() const
+docstring const BibTeXInfo::getXRef() const
+{
+ if (!is_bibtex_)
+ return docstring();
+ return operator[]("crossref");
+}
+
+
+docstring const & BibTeXInfo::getInfo(BibTeXInfo const * const xref) const
{
if (!info_.empty())
return info_;
}
// FIXME
- // This could be made a lot better using the entryType
+ // This could be made a lot better using the entry_type_
// field to customize the output based upon entry type.
// Search for all possible "required" fields
- docstring author = operator[]("author");
+ docstring author = getValueForKey("author", xref);
if (author.empty())
- author = operator[]("editor");
+ author = getValueForKey("editor", xref);
- docstring year = operator[]("year");
- docstring title = operator[]("title");
- docstring docLoc = operator[]("pages");
+ docstring year = getValueForKey("year", xref);
+ docstring title = getValueForKey("title", xref);
+ docstring docLoc = getValueForKey("pages", xref);
if (docLoc.empty()) {
- docLoc = operator[]("chapter");
+ docLoc = getValueForKey("chapter", xref);
if (!docLoc.empty())
- docLoc = from_ascii("Ch. ") + docLoc;
+ docLoc = _("Ch. ") + docLoc;
} else {
- docLoc = from_ascii("pp. ") + docLoc;
+ docLoc = _("pp. ") + docLoc;
}
- docstring media = operator[]("journal");
+ docstring media = getValueForKey("journal", xref);
if (media.empty()) {
- media = operator[]("publisher");
+ media = getValueForKey("publisher", xref);
if (media.empty()) {
- media = operator[]("school");
+ media = getValueForKey("school", xref);
if (media.empty())
- media = operator[]("institution");
+ media = getValueForKey("institution");
}
}
- docstring volume = operator[]("volume");
+ docstring volume = getValueForKey("volume", xref);
odocstringstream result;
if (!author.empty())
if (!media.empty())
result << ", " << media;
if (!year.empty())
- result << ", " << year;
+ result << " (" << year << ")";
if (!docLoc.empty())
result << ", " << docLoc;
docstring const result_str = rtrim(result.str());
if (!result_str.empty()) {
- info_ = result_str;
+ info_ = convertLaTeXCommands(result_str);
return info_;
}
// This should never happen (or at least be very unusual!)
- return docstring();
+ static docstring e = docstring();
+ return e;
+}
+
+
+docstring const & BibTeXInfo::operator[](docstring const & field) const
+{
+ BibTeXInfo::const_iterator it = find(field);
+ if (it != end())
+ return it->second;
+ static docstring const empty_value = docstring();
+ return empty_value;
+}
+
+
+docstring const & BibTeXInfo::operator[](string const & field) const
+{
+ return operator[](from_ascii(field));
+}
+
+
+docstring BibTeXInfo::getValueForKey(string const & key,
+ BibTeXInfo const * const xref) const
+{
+ docstring const ret = operator[](key);
+ if (!ret.empty() || !xref)
+ return ret;
+ return (*xref)[key];
}
if (it == end())
return docstring();
BibTeXInfo const & data = it->second;
+ docstring year = data.getYear();
+ if (!year.empty())
+ return year;
+ // let's try the crossref
+ docstring const xref = data.getXRef();
+ if (xref.empty())
+ return _("No year"); // no luck
+ BiblioInfo::const_iterator const xrefit = find(xref);
+ if (xrefit == end())
+ return _("No year"); // no luck again
+ BibTeXInfo const & xref_data = xrefit->second;
+ return xref_data.getYear();
return data.getYear();
}
if (it == end())
return docstring();
BibTeXInfo const & data = it->second;
- return data.getInfo();
+ BibTeXInfo const * xrefptr = 0;
+ docstring const xref = data.getXRef();
+ if (!xref.empty()) {
+ BiblioInfo::const_iterator const xrefit = find(xref);
+ if (xrefit != end())
+ xrefptr = &(xrefit->second);
+ }
+ return data.getInfo(xrefptr);
}
projects / lyx.git / blobdiff