src/insets/InsetRef.cpp

   1 /**
   2  * \file InsetRef.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author José Matos
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10 #include <config.h>
  11
  12 #include "InsetRef.h"
  13
  14 #include "Buffer.h"
  15 #include "Cursor.h"
  16 #include "DispatchResult.h"
  17 #include "FuncRequest.h"
  18 #include "LaTeXFeatures.h"
  19 #include "LyXFunc.h"
  20 #include "OutputParams.h"
  21 #include "output_xhtml.h"
  22 #include "ParIterator.h"
  23 #include "sgml.h"
  24 #include "TocBackend.h"
  25
  26 #include "support/docstream.h"
  27 #include "support/gettext.h"
  28 #include "support/lstrings.h"
  29
  30 using namespace lyx::support;
  31 using namespace std;
  32
  33 namespace lyx {
  34
  35
  36 InsetRef::InsetRef(Buffer * buf, InsetCommandParams const & p)
  37         : InsetCommand(buf, p, "ref"), isLatex(buf->isLatex())
  38 {}
  39
  40
  41 InsetRef::InsetRef(InsetRef const & ir)
  42         : InsetCommand(ir), isLatex(ir.isLatex)
  43 {}
  44
  45
  46 bool InsetRef::isCompatibleCommand(string const & s) {
  47         //FIXME This is likely not the best way to handle this.
  48         //But this stuff is hardcoded elsewhere already.
  49         return s == "ref"
  50                 || s == "pageref"
  51                 || s == "vref"
  52                 || s == "vpageref"
  53                 || s == "prettyref"
  54                 || s == "eqref";
  55 }
  56
  57
  58 ParamInfo const & InsetRef::findInfo(string const & /* cmdName */)
  59 {
  60         static ParamInfo param_info_;
  61         if (param_info_.empty()) {
  62                 param_info_.add("name", ParamInfo::LATEX_OPTIONAL);
  63                 param_info_.add("reference", ParamInfo::LATEX_REQUIRED);
  64         }
  65         return param_info_;
  66 }
  67
  68
  69 docstring InsetRef::screenLabel() const
  70 {
  71         return screen_label_;
  72 }
  73
  74
  75 int InsetRef::latex(odocstream & os, OutputParams const &) const
  76 {
  77         // We don't want to output p_["name"], since that is only used
  78         // in docbook. So we construct new params, without it, and use that.
  79         InsetCommandParams p(REF_CODE, getCmdName());
  80         p["reference"] = getParam("reference");
  81         os << escape(p.getCommand());
  82         return 0;
  83 }
  84
  85
  86 int InsetRef::plaintext(odocstream & os, OutputParams const &) const
  87 {
  88         docstring const str = getParam("reference");
  89         os << '[' << str << ']';
  90         return 2 + str.size();
  91 }
  92
  93
  94 int InsetRef::docbook(odocstream & os, OutputParams const & runparams) const
  95 {
  96         docstring const & name = getParam("name");
  97         if (name.empty()) {
  98                 if (runparams.flavor == OutputParams::XML) {
  99                         os << "<xref linkend=\""
 100                            << sgml::cleanID(buffer(), runparams, getParam("reference"))
 101                            << "\" />";
 102                 } else {
 103                         os << "<xref linkend=\""
 104                            << sgml::cleanID(buffer(), runparams, getParam("reference"))
 105                            << "\">";
 106                 }
 107         } else {
 108                 os << "<link linkend=\""
 109                    << sgml::cleanID(buffer(), runparams, getParam("reference"))
 110                    << "\">"
 111                    << getParam("name")
 112                    << "</link>";
 113         }
 114
 115         return 0;
 116 }
 117
 118
 119 docstring InsetRef::xhtml(XHTMLStream & xs, OutputParams const &) const
 120 {
 121         // FIXME What we'd really like to do is to be able to output some
 122         // appropriate sort of text here. But to do that, we need to associate
 123         // some sort of counter with the label, and we don't have that yet.
 124         docstring const ref = html::cleanAttr(getParam("reference"));
 125         string const attr = "href=\"#" + to_utf8(ref) + "\"";
 126         xs << StartTag("a", attr);
 127         xs << ref;
 128         xs << EndTag("a");
 129         return docstring();
 130 }
 131
 132 void InsetRef::tocString(odocstream & os) const
 133 {
 134         plaintext(os, OutputParams(0));
 135 }
 136
 137
 138 void InsetRef::updateLabels(ParIterator const & it, bool)
 139 {
 140         docstring const & label = getParam("reference");
 141         // register this inset into the buffer reference cache.
 142         buffer().references(label).push_back(make_pair(this, it));
 143
 144         for (int i = 0; !types[i].latex_name.empty(); ++i) {
 145                 if (getCmdName() == types[i].latex_name) {
 146                         screen_label_ = _(types[i].short_gui_name);
 147                         break;
 148                 }
 149         }
 150         screen_label_ += label;
 151
 152         if (!isLatex && !getParam("name").empty()) {
 153                 screen_label_ += "||";
 154                 screen_label_ += getParam("name");
 155         }
 156 }
 157
 158
 159 void InsetRef::addToToc(DocIterator const & cpit)
 160 {
 161         docstring const & label = getParam("reference");
 162         if (buffer().insetLabel(label))
 163                 // This InsetRef has already been taken care of in InsetLabel::addToToc().
 164                 return;
 165
 166         // It seems that this reference does not point to any valid label.
 167         screen_label_ = _("BROKEN: ") + screen_label_;
 168         Toc & toc = buffer().tocBackend().toc("label");
 169         toc.push_back(TocItem(cpit, 0, screen_label_));
 170 }
 171
 172
 173 void InsetRef::validate(LaTeXFeatures & features) const
 174 {
 175         if (getCmdName() == "vref" || getCmdName() == "vpageref")
 176                 features.require("varioref");
 177         else if (getCmdName() == "prettyref")
 178                 features.require("prettyref");
 179         else if (getCmdName() == "eqref")
 180                 features.require("amsmath");
 181 }
 182
 183
 184 InsetRef::type_info InsetRef::types[] = {
 185         { "ref",       N_("Standard"),              N_("Ref: ")},
 186         { "eqref",     N_("Equation"),              N_("EqRef: ")},
 187         { "pageref",   N_("Page Number"),           N_("Page: ")},
 188         { "vpageref",  N_("Textual Page Number"),   N_("TextPage: ")},
 189         { "vref",      N_("Standard+Textual Page"), N_("Ref+Text: ")},
 190         { "prettyref", N_("PrettyRef"),             N_("FormatRef: ")},
 191         { "", "", "" }
 192 };
 193
 194
 195 int InsetRef::getType(string const & name)
 196 {
 197         for (int i = 0; !types[i].latex_name.empty(); ++i)
 198                 if (name == types[i].latex_name)
 199                         return i;
 200         return 0;
 201 }
 202
 203
 204 string const & InsetRef::getName(int type)
 205 {
 206         return types[type].latex_name;
 207 }
 208
 209
 210 } // namespace lyx