]> git.lyx.org Git - lyx.git/blobdiff - src/insets/InsetBibtex.cpp
Fix text frame drawing.
[lyx.git] / src / insets / InsetBibtex.cpp
index 8029855233a1b98fb5461700efb4791ad44df817..2d3e05f37379911430b9f4bac92ebf83970e25fd 100644 (file)
@@ -4,6 +4,7 @@
  * Licence details can be found in the file COPYING.
  *
  * \author Alejandro Aguilar Sierra
+ * \author Richard Heck (BibTeX parser improvements)
  *
  * Full author contact details are available in file CREDITS.
  */
@@ -46,6 +47,7 @@ using support::DocFileName;
 using support::FileName;
 using support::findtexfile;
 using support::isFileReadable;
+using support::isValidLaTeXFilename;
 using support::latex_path;
 using support::ltrim;
 using support::makeAbsPath;
@@ -76,9 +78,9 @@ InsetBibtex::InsetBibtex(InsetCommandParams const & p)
 {}
 
 
-std::auto_ptr<Inset> InsetBibtex::doClone() const
+Inset * InsetBibtex::clone() const
 {
-       return std::auto_ptr<Inset>(new InsetBibtex(*this));
+       return new InsetBibtex(*this);
 }
 
 
@@ -188,6 +190,12 @@ int InsetBibtex::latex(Buffer const & buffer, odocstream & os,
                                       << "' to '" << out_file << "'"
                                       << endl;
                        }
+               } else if (!runparams.inComment && runparams.nice && not_from_texmf &&
+                          !isValidLaTeXFilename(database)) {
+                               frontend::Alert::warning(_("Invalid filename"),
+                                                        _("The following filename is likely to cause trouble "
+                                                          "when running the exported file through LaTeX: ") +
+                                                           from_utf8(database));
                }
 
                if (it != begin)
@@ -386,7 +394,8 @@ namespace {
        /// @return true if a string of length > 0 could be read.
        ///
        bool readTypeOrKey(docstring & val, idocfstream & ifs,
-               docstring const & delimChars, charCase chCase) {
+               docstring const & delimChars, docstring const &illegalChars, 
+               charCase chCase) {
 
                char_type ch;
 
@@ -404,14 +413,23 @@ namespace {
                        return false;
 
                // read value
-               while (ifs && !isSpace(ch) && delimChars.find(ch) == docstring::npos) {
-                       if (chCase == makeLowerCase) {
+               bool legalChar = true;
+               while (ifs && !isSpace(ch) && 
+                                                delimChars.find(ch) == docstring::npos &&
+                                                (legalChar = (illegalChars.find(ch) == docstring::npos))
+                                       ) 
+               {
+                       if (chCase == makeLowerCase)
                                val += lowercase(ch);
-                       } else {
+                       else
                                val += ch;
-                       }
                        ifs.get(ch);
                }
+               
+               if (!legalChar) {
+                       ifs.putback(ch);
+                       return false;
+               }
 
                // skip whitespace
                while (ifs && isSpace(ch)) {
@@ -461,17 +479,40 @@ namespace {
                                        return false;
 
                        } else if (ch == '"' || ch == '{') {
+                               // set end delimiter
+                               char_type delim = ch == '"' ? '"': '}';
 
-                               // read delimited text - set end delimiter
-                               char_type delim = ch == '"'? '"': '}';
-
-                               // inside this delimited text braces must match.
-                               // Thus we can have a closing delimiter only
-                               // when nestLevel == 0
+                               //Skip whitespace
+                               do {
+                                       ifs.get(ch);
+                               } while (ifs && isSpace(ch));
+                               
+                               if (!ifs)
+                                       return false;
+                               
+                               //We now have the first non-whitespace character
+                               //We'll collapse adjacent whitespace.
+                               bool lastWasWhiteSpace = false;
+                               
+                               // inside this delimited text braces must match.
+                               // Thus we can have a closing delimiter only
+                               // when nestLevel == 0
                                int nestLevel = 0;
-
-                               ifs.get(ch);
                                while (ifs && (nestLevel > 0 || ch != delim)) {
+                                       if (isSpace(ch)) {
+                                               lastWasWhiteSpace = true;
+                                               ifs.get(ch);
+                                               continue;
+                                       }
+                                       //We output the space only after we stop getting 
+                                       //whitespace so as not to output any whitespace
+                                       //at the end of the value.
+                                       if (lastWasWhiteSpace) {
+                                               lastWasWhiteSpace = false;
+                                               val += ' ';
+                                       }
+                                       
                                        val += ch;
 
                                        // update nesting level
@@ -539,7 +580,7 @@ namespace {
 
 // This method returns a comma separated list of Bibtex entries
 void InsetBibtex::fillWithBibKeys(Buffer const & buffer,
-               std::vector<std::pair<string, docstring> > & keys) const
+               BiblioInfo & keylist, InsetIterator const & /*di*/) const
 {
        vector<FileName> const files = getFiles(buffer);
        for (vector<FileName>::const_iterator it = files.begin();
@@ -555,15 +596,6 @@ void InsetBibtex::fillWithBibKeys(Buffer const & buffer,
                // - it accepts more characters in keys or value names than
                //   bibtex does.
                //
-               // TODOS:
-               // - the entries are split into name = value pairs by the
-               //   parser. These have to be merged again because of the
-               //   way lyx treats the entries ( pair<...>(...) ). The citation
-               //   mechanism in lyx should be changed such that it can use
-               //   the split entries.
-               // - messages on parsing errors can be generated.
-               //
-
                // Officially bibtex does only support ASCII, but in practice
                // you can use the encoding of the main document as long as
                // some elements like keys and names are pure ASCII. Therefore
@@ -571,9 +603,10 @@ void InsetBibtex::fillWithBibKeys(Buffer const & buffer,
                // We don't restrict keys to ASCII in LyX, since our own
                // InsetBibitem can generate non-ASCII keys, and nonstandard
                // 8bit clean bibtex forks exist.
+               
                idocfstream ifs(it->toFilesystemEncoding().c_str(),
-                               std::ios_base::in,
-                               buffer.params().encoding().iconvName());
+                       std::ios_base::in,
+                       buffer.params().encoding().iconvName());
 
                char_type ch;
                VarMap strings;
@@ -589,7 +622,8 @@ void InsetBibtex::fillWithBibKeys(Buffer const & buffer,
 
                        docstring entryType;
 
-                       if (!readTypeOrKey(entryType, ifs, from_ascii("{("), makeLowerCase) || !ifs)
+                       if (!readTypeOrKey(entryType, ifs, from_ascii("{("), 
+                                          docstring(), makeLowerCase) || !ifs)
                                continue;
 
                        if (entryType == from_ascii("comment")) {
@@ -616,9 +650,11 @@ void InsetBibtex::fillWithBibKeys(Buffer const & buffer,
                                docstring name;
                                docstring value;
 
-                               if (!readTypeOrKey(name, ifs, from_ascii("#=}),"), makeLowerCase) || !ifs)
+                               if (!readTypeOrKey(name, ifs, from_ascii("="), 
+                                                  from_ascii("#{}(),"), makeLowerCase) || !ifs)
                                        continue;
 
+                               // next char must be an equal sign
                                ifs.get(ch);
                                if (!ifs || ch != '=')
                                        continue;
@@ -639,28 +675,36 @@ void InsetBibtex::fillWithBibKeys(Buffer const & buffer,
 
                        } else {
 
-                               // Citation entry. Read the key and all name = value pairs
+                               // Citation entry. Try to read the key.
                                docstring key;
-                               docstring fields;
-                               docstring name;
-                               docstring value;
-                               docstring commaNewline;
 
-                               if (!readTypeOrKey(key, ifs, from_ascii(",})"), keepCase) || !ifs)
+                               if (!readTypeOrKey(key, ifs, from_ascii(","), 
+                                                  from_ascii("}"), keepCase) || !ifs)
                                        continue;
 
-                               // now we have a key, so we will add an entry
-                               // (even if it's empty, as bibtex does)
+                               /////////////////////////////////////////////
+                               // now we have a key, so we will add an entry 
+                               // (even if it's empty, as bibtex does)
                                //
-                               // all items must be separated by a comma. If
-                               // it is missing the scanning of this entry is
-                               // stopped and the next is searched.
+                               // we now read the field = value pairs.
+                               // all items must be separated by a comma. If
+                               // it is missing the scanning of this entry is
+                               // stopped and the next is searched.
+                               docstring fields;
+                               docstring name;
+                               docstring value;
+                               docstring commaNewline;
+                               docstring data;
+                               BibTeXInfo keyvalmap;
+                               keyvalmap.entryType = entryType;
+                               
                                bool readNext = removeWSAndComma(ifs);
-
                                while (ifs && readNext) {
 
                                        // read field name
-                                       if (!readTypeOrKey(name, ifs, from_ascii("=}),"), makeLowerCase) || !ifs)
+                                       if (!readTypeOrKey(name, ifs, from_ascii("="), 
+                                                          from_ascii("{}(),"), makeLowerCase) || !ifs)
                                                break;
 
                                        // next char must be an equal sign
@@ -676,27 +720,20 @@ void InsetBibtex::fillWithBibKeys(Buffer const & buffer,
                                        if (!readValue(value, ifs, strings))
                                                break;
 
-                                       // append field to the total entry string.
-                                       //
-                                       // TODO: Here is where the fields can be put in
-                                       //       a more intelligent structure that preserves
-                                       //           the already known parts.
-                                       fields += commaNewline;
-                                       fields += name + from_ascii(" = {") + value + '}';
-
-                                       if (!commaNewline.length())
-                                               commaNewline = from_ascii(",\n");
-
+                                       keyvalmap[name] = value;
+                                       data += "\n\n" + value;
+                                       keylist.fieldNames.insert(name);
                                        readNext = removeWSAndComma(ifs);
                                }
 
                                // add the new entry
-                               keys.push_back(pair<string, docstring>(
-                               to_utf8(key), fields));
+                               keylist.entryTypes.insert(entryType);
+                               keyvalmap.allData = data;
+                               keyvalmap.isBibTeX = true;
+                               keyvalmap.bibKey = key;
+                               keylist[key] = keyvalmap;
                        }
-
                } //< searching '@'
-
        } //< for loop over files
 }