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 "InsetLabel.h"
  19 #include "LaTeXFeatures.h"
  20 #include "LyX.h"
  21 #include "OutputParams.h"
  22 #include "output_xhtml.h"
  23 #include "ParIterator.h"
  24 #include "sgml.h"
  25 #include "TocBackend.h"
  26
  27 #include "support/docstream.h"
  28 #include "support/gettext.h"
  29 #include "support/lstrings.h"
  30
  31 using namespace lyx::support;
  32 using namespace std;
  33
  34 namespace lyx {
  35
  36
  37 InsetRef::InsetRef(Buffer * buf, InsetCommandParams const & p)
  38         : InsetCommand(buf, p, "ref"), isLatex(buf->isLatex())
  39 {}
  40
  41
  42 InsetRef::InsetRef(InsetRef const & ir)
  43         : InsetCommand(ir), isLatex(ir.isLatex)
  44 {}
  45
  46
  47 bool InsetRef::isCompatibleCommand(string const & s) {
  48         //FIXME This is likely not the best way to handle this.
  49         //But this stuff is hardcoded elsewhere already.
  50         return s == "ref"
  51                 || s == "pageref"
  52                 || s == "vref"
  53                 || s == "vpageref"
  54                 || s == "prettyref"
  55                 || s == "eqref";
  56 }
  57
  58
  59 ParamInfo const & InsetRef::findInfo(string const & /* cmdName */)
  60 {
  61         static ParamInfo param_info_;
  62         if (param_info_.empty()) {
  63                 param_info_.add("name", ParamInfo::LATEX_OPTIONAL);
  64                 param_info_.add("reference", ParamInfo::LATEX_REQUIRED,
  65                                 ParamInfo::HANDLING_ESCAPE);
  66         }
  67         return param_info_;
  68 }
  69
  70
  71 docstring InsetRef::screenLabel() const
  72 {
  73         return screen_label_;
  74 }
  75
  76
  77 int InsetRef::latex(odocstream & os, OutputParams const & runparams) const
  78 {
  79         // We don't want to output p_["name"], since that is only used
  80         // in docbook. So we construct new params, without it, and use that.
  81         InsetCommandParams p(REF_CODE, getCmdName());
  82         p["reference"] = getParam("reference");
  83         os << p.getCommand(runparams);
  84         return 0;
  85 }
  86
  87
  88 int InsetRef::plaintext(odocstream & os, OutputParams const &) const
  89 {
  90         docstring const str = getParam("reference");
  91         os << '[' << str << ']';
  92         return 2 + str.size();
  93 }
  94
  95
  96 int InsetRef::docbook(odocstream & os, OutputParams const & runparams) const
  97 {
  98         docstring const & name = getParam("name");
  99         if (name.empty()) {
 100                 if (runparams.flavor == OutputParams::XML) {
 101                         os << "<xref linkend=\""
 102                            << sgml::cleanID(buffer(), runparams, getParam("reference"))
 103                            << "\" />";
 104                 } else {
 105                         os << "<xref linkend=\""
 106                            << sgml::cleanID(buffer(), runparams, getParam("reference"))
 107                            << "\">";
 108                 }
 109         } else {
 110                 os << "<link linkend=\""
 111                    << sgml::cleanID(buffer(), runparams, getParam("reference"))
 112                    << "\">"
 113                    << getParam("name")
 114                    << "</link>";
 115         }
 116
 117         return 0;
 118 }
 119
 120
 121 docstring InsetRef::xhtml(XHTMLStream & xs, OutputParams const &) const
 122 {
 123         docstring const & ref = getParam("reference");
 124         InsetLabel const * il = buffer().insetLabel(ref);
 125         string const & cmd = params().getCmdName();
 126         docstring display_string;
 127
 128         if (il && !il->counterValue().empty()) {
 129                 // Try to construct a label from the InsetLabel we reference.
 130                 docstring const & value = il->counterValue();
 131                 if (cmd == "ref")
 132                         display_string = value;
 133                 else if (cmd == "vref")
 134                         // normally, would be "ref on page #", but we have no pages
 135                         display_string = value;
 136                 else if (cmd == "pageref" || cmd == "vpageref")
 137                         // normally would be "on page #", but we have no pages
 138                         display_string = _("elsewhere");
 139                 else if (cmd == "eqref")
 140                         display_string = bformat(from_ascii("equation (%1$s)"), value);
 141                 else { // "prettyref"
 142                         display_string = il->prettyCounter();
 143                 }
 144         } else
 145                         display_string = ref;
 146
 147         // FIXME What we'd really like to do is to be able to output some
 148         // appropriate sort of text here. But to do that, we need to associate
 149         // some sort of counter with the label, and we don't have that yet.
 150         string const attr = "href=\"#" + html::cleanAttr(to_utf8(ref)) + "\"";
 151         xs << html::StartTag("a", attr);
 152         xs << display_string;
 153         xs << html::EndTag("a");
 154         return docstring();
 155 }
 156
 157
 158 void InsetRef::tocString(odocstream & os) const
 159 {
 160         plaintext(os, OutputParams(0));
 161 }
 162
 163
 164 void InsetRef::updateLabels(ParIterator const & it, UpdateType)
 165 {
 166         docstring const & label = getParam("reference");
 167         // register this inset into the buffer reference cache.
 168         buffer().references(label).push_back(make_pair(this, it));
 169
 170         for (int i = 0; !types[i].latex_name.empty(); ++i) {
 171                 if (getCmdName() == types[i].latex_name) {
 172                         screen_label_ = _(types[i].short_gui_name);
 173                         break;
 174                 }
 175         }
 176         screen_label_ += label;
 177
 178         if (!isLatex && !getParam("name").empty()) {
 179                 screen_label_ += "||";
 180                 screen_label_ += getParam("name");
 181         }
 182 }
 183
 184
 185 void InsetRef::addToToc(DocIterator const & cpit)
 186 {
 187         docstring const & label = getParam("reference");
 188         if (buffer().insetLabel(label))
 189                 // This InsetRef has already been taken care of in InsetLabel::addToToc().
 190                 return;
 191
 192         // It seems that this reference does not point to any valid label.
 193         screen_label_ = _("BROKEN: ") + screen_label_;
 194         Toc & toc = buffer().tocBackend().toc("label");
 195         toc.push_back(TocItem(cpit, 0, screen_label_));
 196 }
 197
 198
 199 void InsetRef::validate(LaTeXFeatures & features) const
 200 {
 201         if (getCmdName() == "vref" || getCmdName() == "vpageref")
 202                 features.require("varioref");
 203         else if (getCmdName() == "prettyref")
 204                 features.require("prettyref");
 205         else if (getCmdName() == "eqref")
 206                 features.require("amsmath");
 207 }
 208
 209
 210 InsetRef::type_info InsetRef::types[] = {
 211         { "ref",       N_("Standard"),              N_("Ref: ")},
 212         { "eqref",     N_("Equation"),              N_("EqRef: ")},
 213         { "pageref",   N_("Page Number"),           N_("Page: ")},
 214         { "vpageref",  N_("Textual Page Number"),   N_("TextPage: ")},
 215         { "vref",      N_("Standard+Textual Page"), N_("Ref+Text: ")},
 216         { "prettyref", N_("PrettyRef"),             N_("FormatRef: ")},
 217         { "", "", "" }
 218 };
 219
 220
 221 int InsetRef::getType(string const & name)
 222 {
 223         for (int i = 0; !types[i].latex_name.empty(); ++i)
 224                 if (name == types[i].latex_name)
 225                         return i;
 226         return 0;
 227 }
 228
 229
 230 string const & InsetRef::getName(int type)
 231 {
 232         return types[type].latex_name;
 233 }
 234
 235
 236 } // namespace lyx