]> git.lyx.org Git - lyx.git/blobdiff - src/insets/insetcite.C
The speed patch: redraw only rows that have changed
[lyx.git] / src / insets / insetcite.C
index 6eedb6df8ccf46d8bf539f5fe5370078359b374f..75e64fe66933138f07812e542e6922fb1aa420be 100644 (file)
-/* This file is part of*
- * ====================================================== 
+/**
+ * \file insetcite.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
- *      
- *           Copyright 2000-2001 The LyX Team.
- * 
- * ====================================================== */
+ * \author Angus Leeming
+ * \author Herbert Voß
+ *
+ * Full author contact details are available in file CREDITS.
+ */
 
 #include <config.h>
 
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
 #include "insetcite.h"
+
 #include "buffer.h"
+#include "bufferparams.h"
 #include "BufferView.h"
+#include "dispatchresult.h"
+#include "funcrequest.h"
 #include "LaTeXFeatures.h"
-#include "LyXView.h"
 
-#include "frontends/Dialogs.h"
+#include "frontends/controllers/biblio.h"
 
 #include "support/lstrings.h"
 
+using lyx::support::ascii_lowercase;
+using lyx::support::contains;
+using lyx::support::getVectorFromString;
+using lyx::support::ltrim;
+using lyx::support::rtrim;
+using lyx::support::split;
 
+using std::string;
 using std::ostream;
+using std::vector;
+using std::map;
 
+namespace biblio = lyx::biblio;
 
-InsetCitation::InsetCitation(InsetCommandParams const & p, bool)
-       : InsetCommand(p)
-{}
 
-string const InsetCitation::getScreenLabel(Buffer const *) const
+namespace {
+
+string const getNatbibLabel(Buffer const & buffer,
+                           string const & citeType, string const & keyList,
+                           string const & before, string const & after,
+                           biblio::CiteEngine engine)
 {
-       string keys(getContents());
+       // Only start the process off after the buffer is loaded from file.
+       if (!buffer.fully_loaded())
+               return string();
+
+       typedef std::map<Buffer const *, biblio::InfoMap> CachedMap;
+       static CachedMap cached_keys;
+
+       // build the keylist
+       typedef vector<std::pair<string, string> > InfoType;
+       InfoType bibkeys;
+       buffer.fillWithBibKeys(bibkeys);
+
+       InfoType::const_iterator bit  = bibkeys.begin();
+       InfoType::const_iterator bend = bibkeys.end();
+
+       biblio::InfoMap infomap;
+       for (; bit != bend; ++bit) {
+               infomap[bit->first] = bit->second;
+       }
+       if (infomap.empty())
+               return string();
+
+       cached_keys[&buffer] = infomap;
+
+       // the natbib citation-styles
+       // CITET:       author (year)
+       // CITEP:       (author,year)
+       // CITEALT:     author year
+       // CITEALP:     author, year
+       // CITEAUTHOR:  author
+       // CITEYEAR:    year
+       // CITEYEARPAR: (year)
+       // jurabib supports these plus
+       // CITE:        author/<before field>
+
+       // We don't currently use the full or forceUCase fields.
+       string cite_type = biblio::asValidLatexCommand(citeType, engine);
+       if (cite_type[0] == 'C')
+               cite_type = string(1, 'c') + cite_type.substr(1);
+       if (cite_type[cite_type.size() - 1] == '*')
+               cite_type = cite_type.substr(0, cite_type.size() - 1);
+
+       string before_str;
+       if (!before.empty()) {
+               // In CITET and CITEALT mode, the "before" string is
+               // attached to the label associated with each and every key.
+               // In CITEP, CITEALP and CITEYEARPAR mode, it is attached
+               // to the front of the whole only.
+               // In other modes, it is not used at all.
+               if (cite_type == "citet" ||
+                   cite_type == "citealt" ||
+                   cite_type == "citep" ||
+                   cite_type == "citealp" ||
+                   cite_type == "citeyearpar")
+                       before_str = before + ' ';
+               // In CITE (jurabib), the "before" string is used to attach
+               // the annotator (of legal texts) to the author(s) of the
+               // first reference.
+               else if (cite_type == "cite")
+                       before_str = '/' + before;
+       }
+
+       string after_str;
+       if (!after.empty()) {
+               // The "after" key is appended only to the end of the whole.
+               after_str = ", " + after;
+       }
+
+       // One day, these might be tunable (as they are in BibTeX).
+       char const op  = '('; // opening parenthesis.
+       char const cp  = ')'; // closing parenthesis.
+       // puctuation mark separating citation entries.
+       char const * const sep = ";";
+
+       string const op_str(' ' + string(1, op));
+       string const cp_str(string(1, cp) + ' ');
+       string const sep_str(string(sep) + ' ');
 
-       // If keys is "too long" then only print out the first few tokens
        string label;
-       if (contains(keys, ",")) {
-               // Final comma allows while loop to cover all keys
-               keys = frontStrip(split(keys, label, ',')) + ",";
+       vector<string> keys = getVectorFromString(keyList);
+       vector<string>::const_iterator it  = keys.begin();
+       vector<string>::const_iterator end = keys.end();
+       for (; it != end; ++it) {
+               // get the bibdata corresponding to the key
+               string const author(biblio::getAbbreviatedAuthor(infomap, *it));
+               string const year(biblio::getYear(infomap, *it));
 
-               string::size_type const maxSize = 40;
-               while (contains(keys, ",")) {
-                       string key;
-                       keys = frontStrip(split(keys, key, ','));
+               // Something isn't right. Fail safely.
+               if (author.empty() || year.empty())
+                       return string();
+
+               // authors1/<before>;  ... ;
+               //  authors_last, <after>
+               if (cite_type == "cite" && engine == biblio::ENGINE_JURABIB) {
+                       if (it == keys.begin())
+                               label += author + before_str + sep_str;
+                       else
+                               label += author + sep_str;
+
+               // (authors1 (<before> year);  ... ;
+               //  authors_last (<before> year, <after>)
+               } else if (cite_type == "citet") {
+                       switch (engine) {
+                       case biblio::ENGINE_NATBIB_AUTHORYEAR:
+                               label += author + op_str + before_str +
+                                       year + cp + sep_str;
+                               break;
+                       case biblio::ENGINE_NATBIB_NUMERICAL:
+                               label += author + op_str + before_str +
+                                       '#' + *it + cp + sep_str;
+                               break;
+                       case biblio::ENGINE_JURABIB:
+                               label += before_str + author + op_str +
+                                       year + cp + sep_str;
+                               break;
+                       case biblio::ENGINE_BASIC:
+                               break;
+                       }
+
+               // author, year; author, year; ...
+               } else if (cite_type == "citep" ||
+                          cite_type == "citealp") {
+                       if (engine == biblio::ENGINE_NATBIB_NUMERICAL) {
+                               label += *it + sep_str;
+                       } else {
+                               label += author + ", " + year + sep_str;
+                       }
 
-                       string::size_type size = label.size() + 2 + key.size();
-                       if (size >= maxSize) {
-                               label += ", ...";
+               // (authors1 <before> year;
+               //  authors_last <before> year, <after>)
+               } else if (cite_type == "citealt") {
+                       switch (engine) {
+                       case biblio::ENGINE_NATBIB_AUTHORYEAR:
+                               label += author + ' ' + before_str +
+                                       year + sep_str;
+                               break;
+                       case biblio::ENGINE_NATBIB_NUMERICAL:
+                               label += author + ' ' + before_str +
+                                       '#' + *it + sep_str;
+                               break;
+                       case biblio::ENGINE_JURABIB:
+                               label += before_str + author + ' ' +
+                                       year + sep_str;
+                               break;
+                       case biblio::ENGINE_BASIC:
                                break;
                        }
+
+               // author; author; ...
+               } else if (cite_type == "citeauthor") {
+                       label += author + sep_str;
+
+               // year; year; ...
+               } else if (cite_type == "citeyear" ||
+                          cite_type == "citeyearpar") {
+                       label += year + sep_str;
+               }
+       }
+       label = rtrim(rtrim(label), sep);
+
+       if (!after_str.empty()) {
+               if (cite_type == "citet") {
+                       // insert "after" before last ')'
+                       label.insert(label.size() - 1, after_str);
+               } else {
+                       bool const add =
+                               !(engine == biblio::ENGINE_NATBIB_NUMERICAL &&
+                                 (cite_type == "citeauthor" ||
+                                  cite_type == "citeyear"));
+                       if (add)
+                               label += after_str;
+               }
+       }
+
+       if (!before_str.empty() && (cite_type == "citep" ||
+                                   cite_type == "citealp" ||
+                                   cite_type == "citeyearpar")) {
+               label = before_str + label;
+       }
+
+       if (cite_type == "citep" || cite_type == "citeyearpar")
+               label = string(1, op) + label + string(1, cp);
+
+       return label;
+}
+
+
+string const getBasicLabel(string const & keyList, string const & after)
+{
+       string keys(keyList);
+       string label;
+
+       if (contains(keys, ',')) {
+               // Final comma allows while loop to cover all keys
+               keys = ltrim(split(keys, label, ',')) + ',';
+               while (contains(keys, ',')) {
+                       string key;
+                       keys = ltrim(split(keys, key, ','));
                        label += ", " + key;
                }
-       } else {
+       } else
                label = keys;
+
+       if (!after.empty())
+               label += ", " + after;
+
+       return '[' + label + ']';
+}
+
+} // anon namespace
+
+
+InsetCitation::InsetCitation(InsetCommandParams const & p)
+       : InsetCommand(p, "citation")
+{}
+
+
+string const InsetCitation::generateLabel(Buffer const & buffer) const
+{
+       string const before = getSecOptions();
+       string const after  = getOptions();
+
+       string label;
+       biblio::CiteEngine const engine = buffer.params().cite_engine;
+       if (engine != biblio::ENGINE_BASIC) {
+               label = getNatbibLabel(buffer, getCmdName(), getContents(),
+                                      before, after, engine);
        }
 
-       if (!getOptions().empty())
-               label += ", " + getOptions();
+       // Fallback to fail-safe
+       if (label.empty()) {
+               label = getBasicLabel(getContents(), after);
+       }
 
-       return "[" + label + "]";
+       return label;
 }
 
 
-void InsetCitation::edit(BufferView * bv, int, int, unsigned int)
+string const InsetCitation::getScreenLabel(Buffer const & buffer) const
 {
-       bv->owner()->getDialogs()->showCitation(this);
+       biblio::CiteEngine const engine = biblio::getEngine(buffer);
+       if (cache.params == params() && cache.engine == engine)
+               return cache.screen_label;
+
+       // The label has changed, so we have to re-create it.
+       string const before = getSecOptions();
+       string const after  = getOptions();
+
+       string const glabel = generateLabel(buffer);
+
+       unsigned int const maxLabelChars = 45;
+
+       string label = glabel;
+       if (label.size() > maxLabelChars) {
+               label.erase(maxLabelChars-3);
+               label += "...";
+       }
+
+       cache.engine  = engine;
+       cache.params = params();
+       cache.generated_label = glabel;
+       cache.screen_label = label;
+
+       return label;
 }
 
-void InsetCitation::edit(BufferView * bv, bool)
+
+int InsetCitation::plaintext(Buffer const & buffer, ostream & os, OutputParams const &) const
 {
-       edit(bv, 0, 0, 0);
+       if (cache.params == params() &&
+           cache.engine == biblio::getEngine(buffer))
+               os << cache.generated_label;
+       else
+               os << generateLabel(buffer);
+       return 0;
 }
 
-int InsetCitation::ascii(Buffer const *, ostream & os, int) const
+
+namespace {
+
+string const cleanupWhitespace(string const & citelist)
 {
-        os << "[" << getContents() << "]";
-        return 0;
+       string::const_iterator it  = citelist.begin();
+       string::const_iterator end = citelist.end();
+       // Paranoia check: make sure that there is no whitespace in here
+       // -- at least not behind commas or at the beginning
+       string result;
+       char last = ',';
+       for (; it != end; ++it) {
+               if (*it != ' ')
+                       last = *it;
+               if (*it != ' ' || last != ',')
+                       result += *it;
+       }
+       return result;
+}
+
+// end anon namyspace
 }
 
+int InsetCitation::docbook(Buffer const &, ostream & os, OutputParams const &) const
+{
+       os << "<citation>" << cleanupWhitespace(getContents()) << "</citation>";
+       return 0;
+}
+
+
+int InsetCitation::textString(Buffer const & buf, ostream & os,
+                      OutputParams const & op) const
+{
+       return plaintext(buf, os, op);
+}
+
+
 // Have to overwrite the default InsetCommand method in order to check that
 // the \cite command is valid. Eg, the user has natbib enabled, inputs some
 // citations and then changes his mind, turning natbib support off. The output
 // should revert to \cite[]{}
-int InsetCitation::latex(Buffer const * buffer, ostream & os,
-                       bool /*fragile*/, bool/*fs*/) const
+int InsetCitation::latex(Buffer const & buffer, ostream & os,
+                        OutputParams const &) const
 {
-       os << "\\";
-       if (buffer->params.use_natbib)
-               os << getCmdName();
-       else
-               os << "cite";
+       biblio::CiteEngine const cite_engine = buffer.params().cite_engine;
+       string const cite_str =
+               biblio::asValidLatexCommand(getCmdName(), cite_engine);
 
-       if (!getOptions().empty())
-               os << "[" << getOptions() << "]";
+       os << "\\" << cite_str;
 
-       // Paranoia check: make sure that there is no whitespace in here
-       string content;
-       for (string::const_iterator it = getContents().begin();
-            it != getContents().end(); ++it) {
-               if (*it != ' ') content += *it;
-       }
-       
-       os << "{" << content << "}";
+       string const before = getSecOptions();
+       string const after  = getOptions();
+       if (!before.empty() && cite_engine != biblio::ENGINE_BASIC)
+               os << '[' << before << "][" << after << ']';
+       else if (!after.empty())
+               os << '[' << after << ']';
+
+       os << '{' << cleanupWhitespace(getContents()) << '}';
 
        return 0;
 }
@@ -111,6 +388,15 @@ int InsetCitation::latex(Buffer const * buffer, ostream & os,
 
 void InsetCitation::validate(LaTeXFeatures & features) const
 {
-       if (features.bufferParams().use_natbib)
+       switch (features.bufferParams().cite_engine) {
+       case biblio::ENGINE_BASIC:
+               break;
+       case biblio::ENGINE_NATBIB_AUTHORYEAR:
+       case biblio::ENGINE_NATBIB_NUMERICAL:
                features.require("natbib");
+               break;
+       case biblio::ENGINE_JURABIB:
+               features.require("jurabib");
+               break;
+       }
 }