]> git.lyx.org Git - lyx.git/blobdiff - src/insets/InsetRef.cpp
Merge branch 'master' of git.lyx.org:lyx
[lyx.git] / src / insets / InsetRef.cpp
index 515842e04e4a608dcea90b517d873be3671000a2..bae4992f66f156cb22cf9126ec652698adf30bca 100644 (file)
@@ -3,7 +3,7 @@
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author José Matos
+ * \author José Matos
  *
  * Full author contact details are available in file CREDITS.
  */
 #include "InsetRef.h"
 
 #include "Buffer.h"
+#include "BufferParams.h"
 #include "Cursor.h"
 #include "DispatchResult.h"
-#include "FuncRequest.h"
-#include "gettext.h"
+#include "InsetLabel.h"
 #include "LaTeXFeatures.h"
-#include "LyXFunc.h"
+#include "LyX.h"
 #include "OutputParams.h"
+#include "output_xhtml.h"
+#include "ParIterator.h"
 #include "sgml.h"
+#include "TocBackend.h"
 
+#include "support/debug.h"
+#include "support/docstream.h"
+#include "support/gettext.h"
 #include "support/lstrings.h"
+#include "support/textutils.h"
 
+using namespace lyx::support;
+using namespace std;
 
 namespace lyx {
 
-using support::escape;
 
-using std::string;
-using std::ostream;
-
-
-InsetRef::InsetRef(InsetCommandParams const & p, Buffer const & buf)
-       : InsetCommand(p, "ref"), isLatex(buf.isLatex())
+InsetRef::InsetRef(Buffer * buf, InsetCommandParams const & p)
+       : InsetCommand(buf, p)
 {}
 
 
 InsetRef::InsetRef(InsetRef const & ir)
-       : InsetCommand(ir), isLatex(ir.isLatex)
+       : InsetCommand(ir)
 {}
 
 
-void InsetRef::doDispatch(Cursor & cur, FuncRequest & cmd)
-{
-       switch (cmd.action) {
-       case LFUN_MOUSE_PRESS:
-               // Eventually trigger dialog with button 3 not 1
-               if (cmd.button() == mouse_button::button3)
-                       lyx::dispatch(FuncRequest(LFUN_LABEL_GOTO, getParam("reference")));
-               else {
-                       InsetCommandMailer("ref", *this).showDialog(&cur.bv());
-                       cur.undispatched();
-               }
-               return;
+bool InsetRef::isCompatibleCommand(string const & s) {
+       //FIXME This is likely not the best way to handle this.
+       //But this stuff is hardcoded elsewhere already.
+       return s == "ref" 
+               || s == "pageref"
+               || s == "vref" 
+               || s == "vpageref"
+               || s == "formatted"
+               || s == "eqref"
+               || s == "nameref";
+}
 
-       case LFUN_MOUSE_RELEASE:
-               return;
 
-       default:
-               return InsetCommand::doDispatch(cur, cmd);
+ParamInfo const & InsetRef::findInfo(string const & /* cmdName */)
+{
+       static ParamInfo param_info_;
+       if (param_info_.empty()) {
+               param_info_.add("name", ParamInfo::LATEX_OPTIONAL);
+               param_info_.add("reference", ParamInfo::LATEX_REQUIRED,
+                               ParamInfo::HANDLING_ESCAPE);
        }
+       return param_info_;
 }
 
 
-docstring const InsetRef::getScreenLabel(Buffer const &) const
+// the ref argument is the label name we are referencing.
+// we expect ref to be in the form: pfx:suffix.
+//
+// if it isn't, then we can't produce a formatted reference, 
+// so we return "\ref" and put ref into label.
+//
+// for refstyle, we return "\pfxcmd", and put suffix into 
+// label and pfx into prefix. this is because refstyle expects
+// the command: \pfxcmd{suffix}.
+// 
+// for prettyref, we return "\prettyref" and put ref into label
+// and pfx into prefix. this is because prettyref uses the whole
+// label, thus: \prettyref{pfx:suffix}.
+//
+docstring InsetRef::getFormattedCmd(docstring const & ref, 
+       docstring & label, docstring & prefix) const
 {
-       docstring temp;
-       for (int i = 0; !types[i].latex_name.empty(); ++i) {
-               if (getCmdName() == types[i].latex_name) {
-                       temp = _(types[i].short_gui_name);
-                       break;
-               }
+       static docstring const defcmd = from_ascii("\\ref");
+       static docstring const prtcmd = from_ascii("\\prettyref");
+       
+       label = split(ref, prefix, ':');
+
+       // we have to have xxx:xxxxx...
+       if (label.empty()) {
+               LYXERR0("Label `" << ref << "' contains no prefix.");
+               label = ref;
+               prefix = from_ascii("");
+               return defcmd;
+       }
+
+       if (prefix.empty()) {
+               // we have ":xxxx"
+               label = ref;
+               return defcmd;
+       }
+       
+       if (!buffer().params().use_refstyle) {
+               // \prettyref uses the whole label
+               label = ref;
+               return prtcmd;
        }
-       temp += getParam("reference");
 
-       if (!isLatex && !getParam("name").empty()) {
-               temp += "||";
-               temp += getParam("name");
+       // make sure the prefix is legal for a latex command
+       int const len = prefix.size();
+       for (int i = 0; i < len; i++) {
+               char_type const c = prefix[i];
+               if (!isAlphaASCII(c)) {
+                       LYXERR0("Prefix `" << prefix << "' is invalid for LaTeX.");
+                       // restore the label
+                       label = ref;
+                       return defcmd;
+               }
        }
-       return temp;
+       return from_ascii("\\") + prefix + from_ascii("ref");
 }
 
 
-int InsetRef::latex(Buffer const &, odocstream & os,
-                    OutputParams const &) const
+docstring InsetRef::getEscapedLabel(OutputParams const & rp) const
 {
-       // Don't output p_["name"], this is only used in docbook
-       InsetCommandParams p(getCmdName());
-       p["reference"] = getParam("reference");
-       os << escape(p.getCommand());
-       return 0;
+       InsetCommandParams const & p = params();
+       ParamInfo const & pi = p.info();
+       ParamInfo::ParamData const & pd = pi["reference"];
+       return p.prepareCommand(rp, getParam("reference"), pd.handling());              
 }
 
 
-int InsetRef::plaintext(Buffer const &, odocstream & os,
-                        OutputParams const &) const
+void InsetRef::latex(otexstream & os, OutputParams const & rp) const
+{
+       string const cmd = getCmdName();
+       docstring const data = getEscapedLabel(rp);
+
+       if (rp.inulemcmd)
+               os << "\\mbox{";
+
+       if (cmd == "eqref" && buffer().params().use_refstyle) {
+               // we advertise this as printing "(n)", so we'll do that, at least
+               // for refstyle, since refstlye's own \eqref prints, by default,
+               // "equation n". if one wants \eqref, one can get it by using a
+               // formatted label in this case.
+               os << '(' << from_ascii("\\ref{") << data << from_ascii("})");
+       } 
+       else if (cmd == "formatted") {
+               docstring label;
+               docstring prefix;
+               docstring const fcmd = getFormattedCmd(data, label, prefix);
+               os << fcmd << '{' << label << '}';
+       }
+       else {
+               // We don't want to output p_["name"], since that is only used 
+               // in docbook. So we construct new params, without it, and use that.
+               InsetCommandParams p(REF_CODE, cmd);
+               docstring const ref = getParam("reference");
+               p["reference"] = ref;
+               os << p.getCommand(rp);
+       }
+
+       if (rp.inulemcmd)
+               os << "}";
+}
+
+
+int InsetRef::plaintext(odocstream & os, OutputParams const &) const
 {
        docstring const str = getParam("reference");
        os << '[' << str << ']';
@@ -103,24 +180,23 @@ int InsetRef::plaintext(Buffer const &, odocstream & os,
 }
 
 
-int InsetRef::docbook(Buffer const & buf, odocstream & os,
-                      OutputParams const & runparams) const
+int InsetRef::docbook(odocstream & os, OutputParams const & runparams) const
 {
        docstring const & name = getParam("name");
        if (name.empty()) {
                if (runparams.flavor == OutputParams::XML) {
-                       os << "<xref linkend=\"" 
-                          << sgml::cleanID(buf, runparams, getParam("reference")) 
+                       os << "<xref linkend=\""
+                          << sgml::cleanID(buffer(), runparams, getParam("reference"))
                           << "\" />";
                } else {
-                       os << "<xref linkend=\"" 
-                          << sgml::cleanID(buf, runparams, getParam("reference")) 
+                       os << "<xref linkend=\""
+                          << sgml::cleanID(buffer(), runparams, getParam("reference"))
                           << "\">";
                }
        } else {
-               os << "<link linkend=\"" 
-                  << sgml::cleanID(buf, runparams, getParam("reference"))
-                  << "\">" 
+               os << "<link linkend=\""
+                  << sgml::cleanID(buffer(), runparams, getParam("reference"))
+                  << "\">"
                   << getParam("name")
                   << "</link>";
        }
@@ -129,21 +205,138 @@ int InsetRef::docbook(Buffer const & buf, odocstream & os,
 }
 
 
-int InsetRef::textString(Buffer const & buf, odocstream & os,
-                      OutputParams const & op) const
+docstring InsetRef::xhtml(XHTMLStream & xs, OutputParams const &) const
+{
+       docstring const & ref = getParam("reference");
+       InsetLabel const * il = buffer().insetLabel(ref);
+       string const & cmd = params().getCmdName();
+       docstring display_string;
+
+       if (il && !il->counterValue().empty()) {
+               // Try to construct a label from the InsetLabel we reference.
+               docstring const & value = il->counterValue();
+               if (cmd == "ref")
+                       display_string = value;
+               else if (cmd == "vref")
+                       // normally, would be "ref on page #", but we have no pages
+                       display_string = value;
+               else if (cmd == "pageref" || cmd == "vpageref")
+                       // normally would be "on page #", but we have no pages
+                       display_string = _("elsewhere");
+               else if (cmd == "eqref")
+                       display_string = bformat(from_ascii("equation (%1$s)"), value);
+               else if (cmd == "formatted"
+                        // we don't really have the ability to handle these 
+                        // properly in XHTML output
+                        || cmd == "nameref")
+                       display_string = il->prettyCounter();
+       } else 
+                       display_string = ref;
+
+       // FIXME What we'd really like to do is to be able to output some
+       // appropriate sort of text here. But to do that, we need to associate
+       // some sort of counter with the label, and we don't have that yet.
+       string const attr = "href=\"#" + html::cleanAttr(to_utf8(ref)) + "\"";
+       xs << html::StartTag("a", attr);
+       xs << display_string;
+       xs << html::EndTag("a");
+       return docstring();
+}
+
+
+void InsetRef::toString(odocstream & os) const
+{
+       plaintext(os, OutputParams(0));
+}
+
+
+void InsetRef::forToc(docstring & os, size_t) const
+{
+       // There's no need for details in the TOC, and a long label
+       // will just get in the way.
+       os += '#';
+}
+
+
+void InsetRef::updateBuffer(ParIterator const & it, UpdateType)
+{
+       docstring const & ref = getParam("reference");
+       // register this inset into the buffer reference cache.
+       buffer().references(ref).push_back(make_pair(this, it));
+
+       docstring label;
+       for (int i = 0; !types[i].latex_name.empty(); ++i) {
+               if (getCmdName() == types[i].latex_name) {
+                       label = _(types[i].short_gui_name);
+                       break;
+               }
+       }
+       label += ref;
+       
+       if (!buffer().params().isLatex() && !getParam("name").empty()) {
+               label += "||";
+               label += getParam("name");
+       }
+       
+       screen_label_ = label;
+       bool shortened = false;
+       unsigned int const maxLabelChars = 24;
+       if (screen_label_.size() > maxLabelChars) {
+               screen_label_.erase(maxLabelChars - 3);
+               screen_label_ += "...";
+               shortened = true;
+       }
+       if (shortened)
+               tooltip_ = label;
+       else 
+               tooltip_ = from_ascii("");
+}
+
+
+void InsetRef::addToToc(DocIterator const & cpit) const
 {
-       return plaintext(buf, os, op);
+       docstring const & label = getParam("reference");
+       if (buffer().insetLabel(label))
+               // This InsetRef has already been taken care of in InsetLabel::addToToc().
+               return;
+
+       // It seems that this reference does not point to any valid label.
+       screen_label_ = _("BROKEN: ") + screen_label_;
+       Toc & toc = buffer().tocBackend().toc("label");
+       toc.push_back(TocItem(cpit, 0, screen_label_));
 }
 
 
 void InsetRef::validate(LaTeXFeatures & features) const
 {
-       if (getCmdName() == "vref" || getCmdName() == "vpageref")
+       string const cmd = getCmdName();
+       if (cmd == "vref" || cmd == "vpageref")
                features.require("varioref");
-       else if (getCmdName() == "prettyref")
-               features.require("prettyref");
-       else if (getCmdName() == "eqref")
+       else if (cmd == "formatted") {
+               docstring const data = getEscapedLabel(features.runparams());
+               docstring label;
+               docstring prefix;
+               string const fcmd = to_utf8(getFormattedCmd(data, label, prefix));
+               if (buffer().params().use_refstyle) {
+                       features.require("refstyle");
+                       if (!prefix.empty()) {
+                               string lcmd = "\\AtBeginDocument{\\providecommand" + 
+                                               fcmd + "[1]{\\ref{" + to_utf8(prefix) + ":#1}}}";
+                               features.addPreambleSnippet(lcmd);
+                       } else if (prefix == "cha")
+                               features.addPreambleSnippet("\\let\\charef=\\chapref");
+               } else {
+                       features.require("prettyref");
+                       // prettyref uses "cha" for chapters, so we provide a kind of
+                       // translation.
+                       if (prefix == "chap")
+                               features.addPreambleSnippet("\\let\\pr@chap=\\pr@cha");
+               }
+       } else if (cmd == "eqref" && !buffer().params().use_refstyle)
+               // with refstyle, we simply output "(\ref{label})"
                features.require("amsmath");
+       else if (cmd == "nameref")
+               features.require("nameref");
 }
 
 
@@ -153,7 +346,8 @@ InsetRef::type_info InsetRef::types[] = {
        { "pageref",   N_("Page Number"),           N_("Page: ")},
        { "vpageref",  N_("Textual Page Number"),   N_("TextPage: ")},
        { "vref",      N_("Standard+Textual Page"), N_("Ref+Text: ")},
-       { "prettyref", N_("PrettyRef"),             N_("FormatRef: ")},
+       { "formatted", N_("Formatted"),             N_("Format: ")},
+       { "nameref",   N_("Reference to Name"),     N_("NameRef:")},
        { "", "", "" }
 };