]> git.lyx.org Git - lyx.git/blobdiff - src/insets/InsetInfo.cpp
Move Lexer to support/ directory (and lyx::support namespace)
[lyx.git] / src / insets / InsetInfo.cpp
index f2d3b93ad8edd7e4f76432abfa80cae0d9166eb1..cfb5b7eafc6869a2af6cad6eeb752b4ba6bf8fc9 100644 (file)
@@ -30,7 +30,7 @@
 #include "LyXAction.h"
 #include "LyXRC.h"
 #include "LyXVC.h"
-#include "Lexer.h"
+#include "output_docbook.h"
 #include "Paragraph.h"
 #include "ParIterator.h"
 #include "ParagraphParameters.h"
 #include "support/filetools.h"
 #include "support/gettext.h"
 #include "support/Length.h"
+#include "support/Lexer.h"
 #include "support/Messages.h"
 #include "support/lstrings.h"
 #include "support/qstring_helpers.h"
 #include "support/Translator.h"
 
 #include <sstream>
+#include <tuple>
 
 #include <QtGui/QImage>
 #include <QDate>
@@ -178,10 +180,9 @@ bool translateString(docstring const & in, docstring & out, string const & lcode
        out = translateIfPossible(in, lcode);
        return in != out;
 }
-} // namespace anon
 
 
-docstring InsetInfoParams::getDate(string const & iname, QDate const date) const
+docstring getDate(string const & iname, QDate const date, Language const * lang)
 {
        QLocale loc;
        if (lang)
@@ -206,7 +207,7 @@ docstring InsetInfoParams::getDate(string const & iname, QDate const date) const
 }
 
 
-docstring InsetInfoParams::getTime(string const & iname, QTime const time) const
+docstring getTime(string const & iname, QTime const time, Language const * lang)
 {
        QLocale loc;
        if (lang)
@@ -220,6 +221,7 @@ docstring InsetInfoParams::getTime(string const & iname, QTime const time) const
        else
                return qstring_to_ucs4(loc.toString(time, toqstr(iname)));
 }
+} // namespace anon
 
 
 vector<pair<string,docstring>> InsetInfoParams::getArguments(Buffer const * buf,
@@ -297,6 +299,7 @@ vector<pair<string,docstring>> InsetInfoParams::getArguments(Buffer const * buf,
        case FIXDATE_INFO:
        case DATE_INFO:
        case MODDATE_INFO: {
+               // TODO: away from a release, use parseDate instead.
                string const dt = split(name, '@');
                QDate date;
                if (itype == "moddate")
@@ -310,23 +313,24 @@ vector<pair<string,docstring>> InsetInfoParams::getArguments(Buffer const * buf,
                        date = (gdate.isValid()) ? gdate : QDate::currentDate();
                } else
                        date = QDate::currentDate();
-               result.push_back(make_pair("long",getDate("long", date)));
-               result.push_back(make_pair("short", getDate("short", date)));
-               result.push_back(make_pair("loclong", getDate("loclong", date)));
-               result.push_back(make_pair("locmedium", getDate("locmedium", date)));
-               result.push_back(make_pair("locshort", getDate("locshort", date)));
-               result.push_back(make_pair("ISO", getDate("ISO", date)));
-               result.push_back(make_pair("yyyy", getDate("yyyy", date)));
-               result.push_back(make_pair("MMMM", getDate("MMMM", date)));
-               result.push_back(make_pair("MMM", getDate("MMM", date)));
-               result.push_back(make_pair("dddd", getDate("dddd", date)));
-               result.push_back(make_pair("ddd", getDate("ddd", date)));
+               result.push_back(make_pair("long",getDate("long", date, lang)));
+               result.push_back(make_pair("short", getDate("short", date, lang)));
+               result.push_back(make_pair("loclong", getDate("loclong", date, lang)));
+               result.push_back(make_pair("locmedium", getDate("locmedium", date, lang)));
+               result.push_back(make_pair("locshort", getDate("locshort", date, lang)));
+               result.push_back(make_pair("ISO", getDate("ISO", date, lang)));
+               result.push_back(make_pair("yyyy", getDate("yyyy", date, lang)));
+               result.push_back(make_pair("MMMM", getDate("MMMM", date, lang)));
+               result.push_back(make_pair("MMM", getDate("MMM", date, lang)));
+               result.push_back(make_pair("dddd", getDate("dddd", date, lang)));
+               result.push_back(make_pair("ddd", getDate("ddd", date, lang)));
                result.push_back(make_pair("custom", _("Custom")));
                break;
        }
        case FIXTIME_INFO:
        case TIME_INFO:
        case MODTIME_INFO: {
+               // TODO: away from a release, use parseTime instead.
                string const tt = split(name, '@');
                QTime time;
                if (itype == "modtime")
@@ -340,9 +344,9 @@ vector<pair<string,docstring>> InsetInfoParams::getArguments(Buffer const * buf,
                        time = (gtime.isValid()) ? gtime : QTime::currentTime();
                } else
                        time = QTime::currentTime();
-               result.push_back(make_pair("long",getTime("long", time)));
-               result.push_back(make_pair("short", getTime("short", time)));
-               result.push_back(make_pair("ISO", getTime("ISO", time)));
+               result.push_back(make_pair("long",getTime("long", time, lang)));
+               result.push_back(make_pair("short", getTime("short", time, lang)));
+               result.push_back(make_pair("ISO", getTime("ISO", time, lang)));
                result.push_back(make_pair("custom", _("Custom")));
                break;
        }
@@ -465,9 +469,25 @@ string InsetInfoParams::infoType() const
 /////////////////////////////////////////////////////////////////////////
 
 
+namespace {
+
+class InsetGraphicsTight : public InsetGraphics
+{
+public:
+       ///
+       explicit InsetGraphicsTight(Buffer * buf) : InsetGraphics(buf) {}
+
+       ///
+       int leftOffset(BufferView const *) const override { return 0; }
+       ///
+       int rightOffset(BufferView const *) const override { return 0; }
+};
+
+}
+
 
 InsetInfo::InsetInfo(Buffer * buf, string const & info)
-       : InsetCollapsible(buf), initialized_(false), dirty_(true)
+       : InsetCollapsible(buf), initialized_(false)
 {
        params_.type = InsetInfoParams::UNKNOWN_INFO;
        params_.force_ltr = false;
@@ -779,19 +799,15 @@ void InsetInfo::metrics(MetricsInfo & mi, Dimension & dim) const
 {
        const_cast<InsetInfo *>(this)->build();
        InsetCollapsible::metrics(mi, dim);
-       dirty_ = false;
 }
 
 
 void InsetInfo::draw(PainterInfo & pi, int x, int y) const
 {
-       if (dirty_)
-               return;
        Changer chg = changeVar(lyxrc.mark_foreign_language, false);
        InsetCollapsible::draw(pi, x, y);
 }
 
-
 void InsetInfo::updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted)
 
 {
@@ -800,8 +816,12 @@ void InsetInfo::updateBuffer(ParIterator const & it, UpdateType utype, bool cons
        // in the original Buffer. This is especially important for VCS.
        // Otherwise, we could in principle have different settings here
        // than in the Buffer we were exporting.
-       if (buffer().isClone())
+       // However, we need to check whether the inset is in an intitle
+       // context.
+       if (buffer().isClone()) {
+               InsetText::checkIntitleContext(it);
                return;
+       }
        BufferParams const & bp = buffer().params();
        params_.lang = it.paragraph().getFontSettings(bp, it.pos()).language();
        InsetCollapsible::updateBuffer(it, utype, deleted);
@@ -986,6 +1006,7 @@ void InsetInfo::build()
                break;
        }
        case InsetInfoParams::PACKAGE_INFO:
+               // TODO: away from a release, replace with getPackageInfo.
                // only need to do this once.
                if (initialized_)
                        break;
@@ -1013,6 +1034,7 @@ void InsetInfo::build()
                break;
 
        case InsetInfoParams::TEXTCLASS_INFO: {
+               // TODO: when away from a release, replace with getTextClassInfo.
                // the TextClass can change
                LayoutFileList const & list = LayoutFileList::get();
                bool available = false;
@@ -1081,6 +1103,7 @@ void InsetInfo::build()
                break;
        }
        case InsetInfoParams::L7N_INFO: {
+               // TODO: away from a release, use getNormalizedL7N instead.
                docstring locstring = _(params_.name);
                // Remove trailing colons
                locstring = rtrim(locstring, ":");
@@ -1127,7 +1150,7 @@ void InsetInfo::build()
                                percent_scale = (100 * iconsize + imgsize / 2)/imgsize;
                        }
                }
-               InsetGraphics * inset = new InsetGraphics(buffer_);
+               InsetGraphicsTight * inset = new InsetGraphicsTight(buffer_);
                InsetGraphicsParams igp;
                igp.filename = file;
                igp.lyxscale = percent_scale;
@@ -1145,6 +1168,7 @@ void InsetInfo::build()
                break;
        }
        case InsetInfoParams::BUFFER_INFO: {
+               // TODO: away from a release, replace by getBufferInfo.
                // this could all change, so we will recalculate each time
                if (params_.name == "name")
                        setText(from_utf8(buffer().fileName().onlyFileName()), params_.lang);
@@ -1157,6 +1181,7 @@ void InsetInfo::build()
                break;
        }
        case InsetInfoParams::VCS_INFO: {
+               // TODO: away from a release, replace by getVCSInfo.
                // this information could change, in principle, so we will 
                // recalculate each time through
                if (!buffer().lyxvc().inUse()) {
@@ -1198,6 +1223,7 @@ void InsetInfo::build()
        case InsetInfoParams::DATE_INFO:
        case InsetInfoParams::MODDATE_INFO:
        case InsetInfoParams::FIXDATE_INFO: {
+               // TODO: away from a release, use parseDate instead.
                string date_format = params_.name;
                string const date_specifier = (params_.type == InsetInfoParams::FIXDATE_INFO
                                               && contains(params_.name, '@'))
@@ -1213,12 +1239,13 @@ void InsetInfo::build()
                        date = QDate::fromString(toqstr(date_specifier), Qt::ISODate);
                else
                        date = QDate::currentDate();
-               setText(params_.getDate(date_format, date), params_.lang);
+               setText(getDate(date_format, date, params_.lang), params_.lang);
                break;
        }
        case InsetInfoParams::TIME_INFO:
        case InsetInfoParams::MODTIME_INFO:
        case InsetInfoParams::FIXTIME_INFO: {
+               // TODO: away from a release, use parseTime instead.
                string time_format = params_.name;
                string const time_specifier = (params_.type == InsetInfoParams::FIXTIME_INFO
                                               && contains(params_.name, '@'))
@@ -1234,13 +1261,11 @@ void InsetInfo::build()
                        time = QTime::fromString(toqstr(time_specifier), Qt::ISODate);
                else
                        time = QTime::currentTime();
-               setText(params_.getTime(time_format, time), params_.lang);
+               setText(getTime(time_format, time, params_.lang), params_.lang);
                break;
        }
        }
 
-       // indicate that metrics are not usable anymore
-       dirty_ = true;
        // Just to do something with that string
        LYXERR(Debug::INFO, "info inset text: " << gui);
 }
@@ -1266,5 +1291,872 @@ string InsetInfo::contextMenuName() const
        return "context-info";
 }
 
+namespace {
+
+// TODO: away from a release, use these functions in InsetInfo::build and InsetInfoParams::getArguments.
+
+std::pair<QDate, std::string> parseDate(Buffer const & buffer, const InsetInfoParams & params) {
+       std::string date_format = params.name;
+       std::string const date_specifier = (params.type == InsetInfoParams::FIXDATE_INFO
+                                           && contains(params.name, '@'))
+                                          ? split(params.name, date_format, '@') : string();
+
+       QDate date;
+       if (params.type == InsetInfoParams::MODDATE_INFO)
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 8, 0))
+               date = QDateTime::fromSecsSinceEpoch(buffer.fileName().lastModified()).date();
+#else
+               date = QDateTime::fromTime_t(buffer.fileName().lastModified()).date();
+#endif
+       else if (params.type == InsetInfoParams::FIXDATE_INFO && !date_specifier.empty()) {
+               QDate date = QDate::fromString(toqstr(date_specifier), Qt::ISODate);
+               date = (date.isValid()) ? date : QDate::currentDate();
+       } else {
+               if (params.type != InsetInfoParams::DATE_INFO && params.type != InsetInfoParams::FIXDATE_INFO)
+                       lyxerr << "Unexpected InsetInfoParams::info_type in parseDate: " << params.type;
+               date = QDate::currentDate();
+       }
+
+       return {date, date_format};
+}
+
+std::pair<QTime, std::string> parseTime(Buffer const & buffer, const InsetInfoParams & params) {
+       std::string time_format = params.name;
+       std::string const date_specifier = (params.type == InsetInfoParams::FIXTIME_INFO
+                                           && contains(params.name, '@'))
+                                          ? split(params.name, time_format, '@') : string();
+
+       QTime time;
+       if (params.type == InsetInfoParams::MODTIME_INFO)
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 8, 0))
+               time = QDateTime::fromSecsSinceEpoch(buffer.fileName().lastModified()).time();
+#else
+               time = QDateTime::fromTime_t(buffer.fileName().lastModified()).time();
+#endif
+       else if (params.type == InsetInfoParams::FIXTIME_INFO && !date_specifier.empty()) {
+               time = QTime::fromString(toqstr(date_specifier), Qt::ISODate);
+               time = (time.isValid()) ? time : QTime::currentTime();
+       } else {
+               if (params.type != InsetInfoParams::TIME_INFO && params.type != InsetInfoParams::FIXTIME_INFO)
+                       lyxerr << "Unexpected InsetInfoParams::info_type in parseTime: " << params.type;
+               time = QTime::currentTime();
+       }
+
+       return {time, time_format};
+}
+
+docstring getBufferInfo(Buffer const & buffer, const InsetInfoParams & params) {
+       if (params.name == "name")
+               return from_utf8(buffer.fileName().onlyFileName());
+       else if (params.name == "name-noext")
+               return from_utf8(buffer.fileName().onlyFileNameWithoutExt());
+       else if (params.name == "path")
+               return from_utf8(os::latex_path(buffer.filePath()));
+       else if (params.name == "class")
+               return from_utf8(buffer.params().documentClass().name());
+       else {
+               lyxerr << "Unexpected name for InsetInfoParams::BUFFER_INFO: " << params.name;
+               return from_ascii("");
+       }
+}
+
+docstring getVCSInfo(Buffer const & buffer, const InsetInfoParams & params) {
+       if (!buffer.lyxvc().inUse())
+               return _("No version control!");
+
+       LyXVC::RevisionInfo itype = LyXVC::Unknown;
+       if (params.name == "revision")
+               itype = LyXVC::File;
+       else if (params.name == "revision-abbrev")
+               itype = LyXVC::FileAbbrev;
+       else if (params.name == "tree-revision")
+               itype = LyXVC::Tree;
+       else if (params.name == "author")
+               itype = LyXVC::Author;
+       else if (params.name == "time")
+               itype = LyXVC::Time;
+       else if (params.name == "date")
+               itype = LyXVC::Date;
+
+       string binfo = buffer.lyxvc().revisionInfo(itype);
+       if (binfo.empty())
+               return from_ascii("VCS info unknown!");
+       else
+               return from_utf8(binfo);
+}
+
+docstring getPackageInfo(const InsetInfoParams & params) {
+       // check in packages.lst
+       bool available;
+       // we also allow version check with version separated by blank
+       if (contains(params.name, ' ')) {
+               string name;
+               string const version = split(params.name, name, ' ');
+               int const y = convert<int>(version.substr(0,4));
+               int const m = convert<int>(version.substr(4,2));
+               int const d = convert<int>(version.substr(6,2));
+               available = LaTeXFeatures::isAvailableAtLeastFrom(name, y, m, d);
+       } else
+               available = LaTeXFeatures::isAvailable(params.name);
+
+       return from_ascii(available ? "yes" : "no");
+}
+
+docstring getTextClassInfo(const InsetInfoParams & params) {
+       LayoutFileList const & list = LayoutFileList::get();
+       // params_.name is the class name
+       const bool available = list.haveClass(params.name) && list[params.name].isTeXClassAvailable();
+       return from_ascii(available ? "yes" : "no");
+}
+
+// With C++17, it would be better to have a std::string_view instead of const char *.
+const static std::map<char_type, const char *> keyToString {
+               {0x21b5, "Return[[Key]]"}, // Return
+               {0x21b9, "Tab[[Key]]"}, // Tab both directions (Win)
+               {0x21de, "PgUp"}, // Qt::Key_PageUp
+               {0x21df, "PgDown"}, // Qt::Key_PageDown
+               {0x21e4, "Backtab"}, // Qt::Key_Backtab
+               {0x21e5, "Tab"}, // Qt::Key_Tab
+               {0x21e7, "Shift"}, // Shift
+               {0x21ea, "CapsLock"}, // Qt::Key_CapsLock
+               {0x2303, "Control[[Key]]"}, // Control
+               {0x2318, "Command[[Key]]"}, // CMD
+               {0x2324, "Return[[Key]]"}, // Qt::Key_Enter
+               {0x2325, "Option[[Key]]"}, // Option key
+               {0x2326, "Delete[[Key]]"}, // Qt::Key_Delete
+               {0x232b, "Fn+Del"}, // Qt::Key_Backspace
+               {0x238b, "Esc"}, // Qt::Key_Escape
+};
+
+bool canTranslateKeySequence(const InsetInfoParams & params, const docstring & sequence,
+                                                        const docstring & seq_untranslated) {
+       bool is_translated = sequence != seq_untranslated;
+       std::string const lcode = params.lang->code();
+       docstring trans;
+
+       for (char_type const c : sequence) {
+               const auto keyMapping = keyToString.find(c);
+               if (keyMapping != keyToString.end()) {
+                       is_translated = translateString(from_ascii(keyMapping->second), trans, lcode);
+               }
+       }
+
+       return is_translated;
+}
+
+void docbookShortcutInfo(XMLStream & xs, const InsetInfoParams & params) {
+       // Usually, a keyboard shortcut should be encoded as db:shortcut. However, this element doesn't accept text, hence
+       // the use of db:accel for error cases (not the right semantics, though).
+
+       std::string attr;
+       if (params.type == InsetInfoParams::SHORTCUTS_INFO)
+               attr = R"(role="shortcuts")";
+       else if (params.type == InsetInfoParams::SHORTCUT_INFO)
+               attr = R"(role="shortcut")";
+       else {
+               // Only check for this assertion that exits this function.
+               lyxerr << "Assertion failed! InsetInfoParams::info_type: " << params.type;
+               return;
+       }
+
+       // shortcuts can change, so we need to re-do this each time
+       FuncRequest const func = lyxaction.lookupFunc(params.name);
+       if (func.action() == LFUN_UNKNOWN_ACTION) {
+               xml::openTag(xs, "accel", attr, "inline");
+               xs << _("Unknown action %1$s");
+               xml::closeTag(xs, "accel", "inline");
+               return;
+       }
+
+       KeyMap::Bindings bindings = theTopLevelKeymap().findBindings(func);
+       if (bindings.empty()) {
+               xml::openTag(xs, "accel", attr, "inline");
+               xs << _("undefined");
+               xml::closeTag(xs, "accel", "inline");
+               return;
+       }
+
+       docstring sequence;
+       docstring seq_untranslated;
+       if (params.type == InsetInfoParams::SHORTCUT_INFO) {
+               sequence = bindings.begin()->print(KeySequence::ForGui);
+               seq_untranslated = bindings.begin()->print(KeySequence::ForGui, true);
+       } else if (params.type == InsetInfoParams::SHORTCUTS_INFO) {
+               sequence = theTopLevelKeymap().printBindings(func, KeySequence::ForGui);
+               seq_untranslated = theTopLevelKeymap().printBindings(func, KeySequence::ForGui, true);
+       }
+       // No other possible case.
+
+       Language const * tryguilang = languages.getFromCode(Messages::guiLanguage());
+       // Some info insets use the language of the GUI (if available)
+       Language const * guilang = tryguilang ? tryguilang : params.lang;
+       const bool isTranslated = canTranslateKeySequence(params, sequence, seq_untranslated);
+       const bool isLtr = !isTranslated || (!guilang->rightToLeft() && !params.lang->rightToLeft());
+       attr += std::string(" dir=\"") + (isLtr ? "ltr" : "rtl") + "\"";
+       attr += " action=\"simul\"";
+       xml::openTag(xs, "shortcut", attr, "inline");
+       xml::openTag(xs, "keycombo", "", "inline");
+
+       // QKeySequence returns special characters for keys on the mac
+       // Since these are not included in many fonts, we
+       // re-translate them to textual names (see #10641)
+       odocstringstream ods;
+       string const lcode = params.lang->code();
+       docstring trans;
+       for (char_type const c : sequence) {
+               const auto keyMapping = keyToString.find(c);
+               if (keyMapping != keyToString.end()) {
+                       (void) translateString(from_ascii(keyMapping->second), trans, lcode);
+
+                       // db:keysym: symbolic name (like Page Up), unlike what is printed on the key (like
+                       // â‡ž, â†‘, â–², PgUp, Page Up, etc.)
+                       xml::openTag(xs, "keysym", "", "inline");
+                       xs << trans;
+                       xml::closeTag(xs, "keysym", "inline");
+               } else {
+                       // db:keycap: this is not a special key, c is really what is printed on the key.
+                       xml::openTag(xs, "keycap", "", "inline");
+                       xs << c;
+                       xml::closeTag(xs, "keycap", "inline");
+               }
+       }
+
+       xml::closeTag(xs, "keycombo", "inline");
+       xml::closeTag(xs, "shortcut", "inline");
+}
+
+void xhtmlShortcutInfo(XMLStream & xs, const InsetInfoParams & params) {
+       std::string attr;
+       if (params.type == InsetInfoParams::SHORTCUTS_INFO)
+               attr = R"(class="shortcuts")";
+       else if (params.type == InsetInfoParams::SHORTCUT_INFO)
+               attr = R"(class="shortcut")";
+       else {
+               // Only check for this assertion that exits this function.
+               lyxerr << "Assertion failed! InsetInfoParams::info_type: " << params.type;
+               return;
+       }
+
+       // shortcuts can change, so we need to re-do this each time
+       FuncRequest const func = lyxaction.lookupFunc(params.name);
+       if (func.action() == LFUN_UNKNOWN_ACTION) {
+               xml::openTag(xs, "span", attr, "inline");
+               xs << _("Unknown action %1$s");
+               xml::closeTag(xs, "span", "inline");
+               return;
+       }
+
+       KeyMap::Bindings bindings = theTopLevelKeymap().findBindings(func);
+       if (bindings.empty()) {
+               xml::openTag(xs, "span", attr, "inline");
+               xs << _("undefined");
+               xml::closeTag(xs, "span", "inline");
+               return;
+       }
+
+       docstring sequence;
+       docstring seq_untranslated;
+       if (params.type == InsetInfoParams::SHORTCUT_INFO) {
+               sequence = bindings.begin()->print(KeySequence::ForGui);
+               seq_untranslated = bindings.begin()->print(KeySequence::ForGui, true);
+       } else if (params.type == InsetInfoParams::SHORTCUTS_INFO) {
+               sequence = theTopLevelKeymap().printBindings(func, KeySequence::ForGui);
+               seq_untranslated = theTopLevelKeymap().printBindings(func, KeySequence::ForGui, true);
+       }
+       // No other possible case.
+
+       Language const * tryguilang = languages.getFromCode(Messages::guiLanguage());
+       // Some info insets use the language of the GUI (if available)
+       Language const * guilang = tryguilang ? tryguilang : params.lang;
+       const bool isTranslated = canTranslateKeySequence(params, sequence, seq_untranslated);
+       const bool isLtr = !isTranslated || (!guilang->rightToLeft() && !params.lang->rightToLeft());
+       attr += std::string(" dir=\"") + (isLtr ? "ltr" : "rtl") + "\"";
+       // Use bdo instead of span to specify the text direction (dir is only allowed globally or on bdo).
+       xml::openTag(xs, "bdo", attr, "inline");
+
+       // QKeySequence returns special characters for keys on the mac
+       // Since these are not included in many fonts, we
+       // re-translate them to textual names (see #10641)
+       odocstringstream ods;
+       string const lcode = params.lang->code();
+       docstring trans;
+       for (size_t i = 0; i < sequence.length(); ++i) {
+           char_type const c = sequence[i];
+               const auto keyMapping = keyToString.find(c);
+               if (keyMapping != keyToString.end()) {
+                       (void) translateString(from_ascii(keyMapping->second), trans, lcode);
+                       xs << trans;
+               } else {
+                       xs << c;
+               }
+
+               if (i > 0 && i + 1 < sequence.length())
+                       xs << from_ascii("+");
+       }
+
+       xml::closeTag(xs, "bdo", "inline");
+}
+
+docstring getLyxRCInfo(const InsetInfoParams & params) {
+       if (params.name.empty())
+               return _("undefined");
+
+       // this information could change, if the preferences are changed,
+       // so we will recalculate each time through.
+       // FIXME this uses the serialization mechanism to get the info
+       // we want, which i guess works but is a bit strange.
+       ostringstream oss;
+       lyxrc.write(oss, true, params.name);
+       string result = oss.str();
+       if (result.size() < 2) {
+               return _("undefined");
+       }
+
+       string::size_type loc = result.rfind('\n', result.size() - 2);
+       loc = loc == string::npos ? 0 : loc + 1;
+       if (result.size() < loc + params.name.size() + 1
+           || result.substr(loc + 1, params.name.size()) != params.name) {
+               return _("undefined");
+       }
+
+       // remove leading comments and \\name and space
+       result = result.substr(loc + params.name.size() + 2);
+
+       // remove \n and ""
+       result = rtrim(result, "\n");
+       result = trim(result, "\"");
+
+       if (result.empty())
+               return from_ascii("not set");
+       else
+               return from_utf8(result);
+}
+
+void docbookMenuInfo(XMLStream & xs, Buffer const & buffer, const InsetInfoParams & params) {
+       docstring_list names;
+       FuncRequest func = lyxaction.lookupFunc(params.name);
+       if (func.action() == LFUN_UNKNOWN_ACTION) {
+               xml::openTag(xs, "guimenuitem", "", "inline");
+               xs << _("Unknown action %1$s");
+               xml::closeTag(xs, "guimenuitem", "inline");
+               return;
+       }
+
+       if (func.action() == LFUN_BUFFER_VIEW || func.action() == LFUN_BUFFER_UPDATE) {
+               // The default output format is in the menu without argument,
+               // so strip it here.
+               if (func.argument() == from_ascii(buffer.params().getDefaultOutputFormat()))
+                       func = FuncRequest(func.action());
+       }
+
+       // iterate through the menubackend to find it
+       if (!theApp()) {
+               xml::openTag(xs, "guimenuitem", "", "inline");
+               xs << _("Can't determine menu entry for action %1$s in batch mode");
+               xml::closeTag(xs, "guimenuitem", "inline");
+               return;
+       }
+
+       // and we will not keep trying if we fail
+       if (!theApp()->searchMenu(func, names)) {
+               xml::openTag(xs, "guimenuitem", "", "inline");
+               xs << _("No menu entry for action %1$s");
+               xml::closeTag(xs, "guimenuitem", "inline");
+               return;
+       }
+
+       // if found, return its path.
+       Language const * tryguilang = languages.getFromCode(Messages::guiLanguage());
+       // Some info insets use the language of the GUI (if available)
+       Language const * guilang = tryguilang ? tryguilang : params.lang;
+       const bool isLtr = !guilang->rightToLeft();
+       const std::string attr = std::string("dir=\"") + (isLtr ? "ltr" : "rtl") + "\"";
+
+       xml::openTag(xs, "menuchoice", attr, "inline"); // More of an inline tag in this case, as there is no db:shortcut to
+       // accompany the succession of menus.
+
+       for (size_t i = 0; i < names.size(); ++i) {
+           docstring const & name = names[i];
+
+               std::string tag;
+               if (i == 0) {
+                       tag = "guimenu";
+               } else if (i == names.size() - 1) {
+                       tag = "guimenuitem";
+               } else {
+                       tag = "guisubmenu";
+               }
+
+               xml::openTag(xs, tag, "", "inline");
+
+               //FIXME: add proper underlines here. This
+               // involves rewriting searchMenu used above to
+               // return a vector of menus. If we do not do
+               // that, we might as well use below
+               // Paragraph::insert on each string (JMarc)
+               // TODO: for DocBook, underlining corresponds to adding db:accel around the letter to underline.
+               xs << name;
+
+               xml::closeTag(xs, tag, "inline");
+       }
+
+       xml::closeTag(xs, "menuchoice", "inline");
+}
+
+
+void xhtmlMenuInfo(XMLStream & xs, Buffer const & buffer, const InsetInfoParams & params) {
+       docstring_list names;
+       FuncRequest func = lyxaction.lookupFunc(params.name);
+       if (func.action() == LFUN_UNKNOWN_ACTION) {
+               xml::openTag(xs, "span", "", "inline");
+               xs << _("Unknown action %1$s");
+               xml::closeTag(xs, "span", "inline");
+               return;
+       }
+
+       if (func.action() == LFUN_BUFFER_VIEW || func.action() == LFUN_BUFFER_UPDATE) {
+               // The default output format is in the menu without argument,
+               // so strip it here.
+               if (func.argument() == from_ascii(buffer.params().getDefaultOutputFormat()))
+                       func = FuncRequest(func.action());
+       }
+
+       // iterate through the menubackend to find it
+       if (!theApp()) {
+               xml::openTag(xs, "span", "", "inline");
+               xs << _("Can't determine menu entry for action %1$s in batch mode");
+               xml::closeTag(xs, "span", "inline");
+               return;
+       }
+
+       // and we will not keep trying if we fail
+       if (!theApp()->searchMenu(func, names)) {
+               xml::openTag(xs, "span", "", "inline");
+               xs << _("No menu entry for action %1$s");
+               xml::closeTag(xs, "span", "inline");
+               return;
+       }
+
+       // if found, return its path.
+       Language const * tryguilang = languages.getFromCode(Messages::guiLanguage());
+       // Some info insets use the language of the GUI (if available)
+       Language const * guilang = tryguilang ? tryguilang : params.lang;
+       const bool isLtr = !guilang->rightToLeft();
+       const std::string attr = std::string("dir=\"") + (isLtr ? "ltr" : "rtl") + "\"";
+       // Use bdo instead of span to specify the text direction (dir is only allowed globally or on bdo).
+       xml::openTag(xs, "bdo", attr, "inline");
+
+       for (size_t i = 0; i < names.size(); ++i) {
+           docstring const & name = names[i];
+
+               //FIXME: add proper underlines here. This
+               // involves rewriting searchMenu used above to
+               // return a vector of menus. If we do not do
+               // that, we might as well use below
+               // Paragraph::insert on each string (JMarc)
+               // TODO: for DocBook, underlining corresponds to adding db:accel around the letter to underline.
+               xs << name;
+
+               if (i > 0 && i + 1 < names.size())
+                       xs << "&#x21D2;"; // InsetSpecialChar::MENU_SEPARATOR
+       }
+
+       xml::closeTag(xs, "bdo", "inline");
+}
+
+void docbookIconInfo(XMLStream & xs, const OutputParams & rp, Buffer * buffer, const InsetInfoParams & params) {
+       FuncRequest func = lyxaction.lookupFunc(params.name);
+       docstring icon_name = frontend::Application::iconName(func, true);
+       FileName file(to_utf8(icon_name));
+       if (file.onlyFileNameWithoutExt() == "unknown") {
+               std::string dir = "images";
+               FileName file2(imageLibFileSearch(dir, params.name, "svgz,png"));
+               if (!file2.empty())
+                       file = file2;
+       }
+
+       if (!file.exists())
+               return;
+
+       int percent_scale = 100;
+       if (use_gui) {
+               // Compute the scale factor for the icon such that its
+               // width on screen is equal to 1em in pixels.
+               // The scale factor is rounded to the integer nearest
+               // to the float value of the ratio 100*iconsize/imgsize.
+               int imgsize = QImage(toqstr(file.absFileName())).width();
+               if (imgsize > 0) {
+                       int iconsize = Length(1, Length::EM).inPixels(1);
+                       percent_scale = (100 * iconsize + imgsize / 2) / imgsize;
+               }
+       }
+
+       InsetGraphicsTight * inset = new InsetGraphicsTight(buffer);
+       InsetGraphicsParams igp;
+       igp.filename = file;
+       igp.lyxscale = percent_scale;
+       igp.scale = string();
+       igp.width = Length(1, Length::EM);
+       if (contains(file.absoluteFilePath(), from_ascii("math"))
+           || contains(file.absoluteFilePath(), from_ascii("ert-insert"))
+           || suffixIs(file.onlyPath().absoluteFilePath(), from_ascii("ipa")))
+               igp.darkModeSensitive = true;
+       inset->setParams(igp);
+
+       xml::openTag(xs, "guiicon", "", "inline");
+       inset->docbook(xs, rp);
+       xml::closeTag(xs, "guiicon", "inline");
+}
+
+void xhtmlIconInfo(XMLStream & xs, const OutputParams & rp, Buffer * buffer, const InsetInfoParams & params) {
+       FuncRequest func = lyxaction.lookupFunc(params.name);
+       docstring icon_name = frontend::Application::iconName(func, true);
+       FileName file(to_utf8(icon_name));
+       if (file.onlyFileNameWithoutExt() == "unknown") {
+               std::string dir = "images";
+               FileName file2(imageLibFileSearch(dir, params.name, "svgz,png"));
+               if (!file2.empty())
+                       file = file2;
+       }
+
+       if (!file.exists())
+               return;
+
+       int percent_scale = 100;
+       if (use_gui) {
+               // Compute the scale factor for the icon such that its
+               // width on screen is equal to 1em in pixels.
+               // The scale factor is rounded to the integer nearest
+               // to the float value of the ratio 100*iconsize/imgsize.
+               int imgsize = QImage(toqstr(file.absFileName())).width();
+               if (imgsize > 0) {
+                       int iconsize = Length(1, Length::EM).inPixels(1);
+                       percent_scale = (100 * iconsize + imgsize / 2) / imgsize;
+               }
+       }
+
+       InsetGraphicsTight * inset = new InsetGraphicsTight(buffer);
+       InsetGraphicsParams igp;
+       igp.filename = file;
+       igp.lyxscale = percent_scale;
+       igp.scale = string();
+       igp.width = Length(1, Length::EM);
+       if (contains(file.absoluteFilePath(), from_ascii("math"))
+           || contains(file.absoluteFilePath(), from_ascii("ert-insert"))
+           || suffixIs(file.onlyPath().absoluteFilePath(), from_ascii("ipa")))
+               igp.darkModeSensitive = true;
+       inset->setParams(igp);
+
+       xml::openTag(xs, "span", "class=\"guiicon\"", "inline");
+       inset->xhtml(xs, rp);
+       xml::closeTag(xs, "span", "inline");
+}
+
+docstring getLyXInfo(const InsetInfoParams & params) {
+       if (params.name == "version")
+               return from_ascii(lyx_version);
+       else if (params.name == "layoutformat")
+               return convert<docstring>(LAYOUT_FORMAT);
+       else {
+               lyxerr << "Unexpected name for InsetInfoParams::BUFFER_INFO: " << params.name;
+               return from_ascii("");
+       }
+}
+
+docstring getNormalizedL7N(const InsetInfoParams & params) {
+       docstring locstring = _(params.name);
+
+       // Remove trailing colons
+       locstring = rtrim(locstring, ":");
+
+       // Remove menu accelerators
+       if (contains(locstring, from_ascii("|"))) {
+               docstring nlocstring;
+               rsplit(locstring, nlocstring, '|');
+               locstring = nlocstring;
+       }
+
+       // Remove Qt accelerators, but keep literal ampersands
+       locstring = subst(locstring, from_ascii(" & "), from_ascii("</amp;>"));
+       locstring = subst(locstring, from_ascii("&"), docstring());
+       locstring = subst(locstring, from_ascii("</amp;>"), from_ascii(" & "));
+
+       return locstring;
+}
+
+} // namespace
+
+
+void InsetInfo::docbook(XMLStream & xs, OutputParams const & rp) const
+{
+       // TODO: away from a release, merge some of this code with InsetInfo::build and InsetInfoParams::getArguments.
+       switch (params_.type) {
+       case InsetInfoParams::DATE_INFO:
+       case InsetInfoParams::MODDATE_INFO:
+       case InsetInfoParams::FIXDATE_INFO: {
+               std::string role;
+               switch (params_.type) {
+               case InsetInfoParams::DATE_INFO:
+                       role = "current-date";
+                       break;
+               case InsetInfoParams::MODDATE_INFO:
+                       role = "last-modification-date";
+                       break;
+               case InsetInfoParams::FIXDATE_INFO:
+                       role = "fix-date";
+                       break;
+               default:
+                       lyxerr << "Assertion failed! InsetInfoParams::info_type: " << params().type;
+                       break;
+               }
+
+               // A db:date cannot be nested within a db:date. This case typically happens when the document class defines a
+               // Date layout. In this case, avoid outputting a new db:date. This means that InsetInfo cannot add a role on top
+               // of the previous db:date, hence add it as a comment. (Another solution would be an XML processing instruction,
+               // but this case is not common enough.) Adding the role to the already output tag might have consequences for
+               // some document classes where the layout already has a role or uses the same role for another purpose.
+               const bool isWithinDate = buffer().getParFromID(rp.lastid).top().paragraph().layout().docbooktag() == "date";
+
+               if (!isWithinDate)
+                       xml::openTag(xs, "date", "role=\"" + role + "\"", "inline");
+               else
+                       xs << XMLStream::ESCAPE_NONE << from_ascii(std::string("<!-- ") + role + " -->");
+               xs << qstring_to_ucs4(std::get<0>(parseDate(buffer(), params_)).toString(Qt::ISODate));
+               if (!isWithinDate)
+                       xml::closeTag(xs, "date", "inline");
+               break;
+       }
+
+       case InsetInfoParams::TIME_INFO:
+       case InsetInfoParams::MODTIME_INFO:
+       case InsetInfoParams::FIXTIME_INFO: {
+               std::string role;
+               switch (params_.type) {
+               case InsetInfoParams::TIME_INFO:
+                       role = "current-time";
+                       break;
+               case InsetInfoParams::MODTIME_INFO:
+                       role = "last-modification-time";
+                       break;
+               case InsetInfoParams::FIXTIME_INFO:
+                       role = "fix-time";
+                       break;
+               default:
+                       lyxerr << "Assertion failed! InsetInfoParams::info_type: " << params().type;
+                       break;
+               }
+
+               // DocBook has no specific element for time, so use a date.
+               // See the discussion above (DATE_INFO, MODDATE_INFO, and FIXDATE_INFO) for a discussion about the choices that
+               // have been made.
+               const bool isWithinDate = buffer().getParFromID(rp.lastid).top().paragraph().layout().docbooktag() == "date";
+
+               if (!isWithinDate)
+                       xml::openTag(xs, "date", "role=\"" + role + "\"", "inline");
+               else
+                       xs << XMLStream::ESCAPE_NONE << from_ascii(std::string("<!-- ") + role + " -->");
+               xs << qstring_to_ucs4(std::get<0>(parseTime(buffer(), params_)).toString(Qt::ISODate));
+               if (!isWithinDate)
+                       xml::closeTag(xs, "date", "inline");
+               break;
+       }
+
+       case InsetInfoParams::BUFFER_INFO:
+               xml::openTag(xs, "phrase", "role=\"buffer-info " + params_.name + "\"", "inline");
+               xs << getBufferInfo(buffer(), params_);
+               xml::closeTag(xs, "phrase", "inline");
+               break;
+       case InsetInfoParams::VCS_INFO:
+               xml::openTag(xs, "phrase", "role=\"vcs-info " + params_.name + "\"", "inline");
+               xs << getVCSInfo(buffer(), params_);
+               xml::closeTag(xs, "phrase", "inline");
+               break;
+       case InsetInfoParams::PACKAGE_INFO:
+               xml::openTag(xs, "phrase", "role=\"package-availability " + params_.name + "\"", "inline");
+               xs << getPackageInfo(params_);
+               xml::closeTag(xs, "phrase", "inline");
+               break;
+       case InsetInfoParams::TEXTCLASS_INFO:
+               xml::openTag(xs, "phrase", "role=\"textclass-availability " + params_.name + "\"", "inline");
+               xs << getTextClassInfo(params_);
+               xml::closeTag(xs, "phrase", "inline");
+               break;
+
+       case InsetInfoParams::SHORTCUTS_INFO:
+       case InsetInfoParams::SHORTCUT_INFO:
+               docbookShortcutInfo(xs, params_);
+               break;
+               
+       case InsetInfoParams::LYXRC_INFO:
+               xml::openTag(xs, "phrase", "role=\"lyxrc-entry " + params_.name + "\"", "inline");
+               xs << getLyxRCInfo(params_);
+               xml::closeTag(xs, "phrase", "inline");
+               break;
+
+       case InsetInfoParams::MENU_INFO:
+               docbookMenuInfo(xs, buffer(), params_);
+               break;
+       case InsetInfoParams::ICON_INFO:
+               docbookIconInfo(xs, rp, buffer_, params_);
+               break;
+       case InsetInfoParams::LYX_INFO:
+               xml::openTag(xs, "phrase", "role=\"lyx-info " + params_.name + "\"", "inline");
+               xs << getLyXInfo(params_);
+               xml::closeTag(xs, "phrase", "inline");
+               break;
+
+       case InsetInfoParams::L7N_INFO:
+               // TODO: add "its:translate="no"" in the attributes if ITS is globally enabled for LyX (quite rare to have ITS
+               // for DocBook documents).
+               xml::openTag(xs, "phrase", R"(role="localized")", "inline");
+               xs << getNormalizedL7N(params_);
+               xml::closeTag(xs, "phrase", "inline");
+               break;
+
+       case InsetInfoParams::UNKNOWN_INFO:
+               xml::openTag(xs, "phrase", R"(role="unknown")", "inline");
+               xs << from_ascii("Unknown Info!");
+               xml::closeTag(xs, "phrase", "inline");
+               break;
+       default:
+               lyxerr << "Unrecognised InsetInfoParams::info_type: " << params().type;
+
+               xml::openTag(xs, "phrase", R"(role="unrecognized")", "inline");
+               xs << from_ascii("Unrecognized Info!");
+               xml::closeTag(xs, "phrase", "inline");
+               break;
+       }
+}
+
+
+docstring InsetInfo::xhtml(XMLStream & xs, OutputParams const & rp) const
+{
+       // TODO: away from a release, merge some of this code with InsetInfo::build and InsetInfoParams::getArguments.
+       switch (params_.type) {
+       case InsetInfoParams::DATE_INFO:
+       case InsetInfoParams::MODDATE_INFO:
+       case InsetInfoParams::FIXDATE_INFO: {
+               std::string cssClass;
+               switch (params_.type) {
+               case InsetInfoParams::DATE_INFO:
+                       cssClass = "current-date";
+                       break;
+               case InsetInfoParams::MODDATE_INFO:
+                       cssClass = "last-modification-date";
+                       break;
+               case InsetInfoParams::FIXDATE_INFO:
+                       cssClass = "fix-date";
+                       break;
+               default:
+                       lyxerr << "Assertion failed! InsetInfoParams::info_type: " << params().type;
+                       break;
+               }
+
+               QDate date;
+               std::string date_format;
+               std::tie(date, date_format) = parseDate(buffer(), params_);
+
+               xml::openTag(xs, "span", std::string("class=\"infodate-") + cssClass + "\"", "inline");
+               xs << getDate(date_format, date, params_.lang);
+               xml::closeTag(xs, "span", "inline");
+               break;
+       }
+
+       case InsetInfoParams::TIME_INFO:
+       case InsetInfoParams::MODTIME_INFO:
+       case InsetInfoParams::FIXTIME_INFO: {
+               std::string cssClass;
+               switch (params_.type) {
+               case InsetInfoParams::TIME_INFO:
+                       cssClass = "current-time";
+                       break;
+               case InsetInfoParams::MODTIME_INFO:
+                       cssClass = "last-modification-time";
+                       break;
+               case InsetInfoParams::FIXTIME_INFO:
+                       cssClass = "fix-time";
+                       break;
+               default:
+                       lyxerr << "Assertion failed! InsetInfoParams::info_type: " << params().type;
+                       break;
+               }
+
+               QTime time;
+               std::string time_format;
+               std::tie(time, time_format) = parseTime(buffer(), params_);
+
+               xml::openTag(xs, "span", std::string("class=\"infotime-") + cssClass + "\"", "inline");
+               xs << getTime(time_format, time, params_.lang);
+               xml::closeTag(xs, "span", "inline");
+               break;
+       }
+
+       case InsetInfoParams::BUFFER_INFO:
+               xml::openTag(xs, "span", "class=\"buffer-info " + params_.name + "\"", "inline");
+               xs << getBufferInfo(buffer(), params_);
+               xml::closeTag(xs, "span", "inline");
+               break;
+       case InsetInfoParams::VCS_INFO:
+               xml::openTag(xs, "span", "class=\"vcs-info " + params_.name + "\"", "inline");
+               xs << getVCSInfo(buffer(), params_);
+               xml::closeTag(xs, "span", "inline");
+               break;
+       case InsetInfoParams::PACKAGE_INFO:
+               xml::openTag(xs, "span", "class=\"package-availability " + params_.name + "\"", "inline");
+               xs << getPackageInfo(params_);
+               xml::closeTag(xs, "span", "inline");
+               break;
+       case InsetInfoParams::TEXTCLASS_INFO:
+               xml::openTag(xs, "span", "class=\"textclass-availability " + params_.name + "\"", "inline");
+               xs << getTextClassInfo(params_);
+               xml::closeTag(xs, "span", "inline");
+               break;
+
+       case InsetInfoParams::SHORTCUTS_INFO:
+       case InsetInfoParams::SHORTCUT_INFO:
+               xhtmlShortcutInfo(xs, params_);
+               break;
+
+       case InsetInfoParams::LYXRC_INFO:
+               xml::openTag(xs, "span", "class=\"lyxrc-entry " + params_.name + "\"", "inline");
+               xs << getLyxRCInfo(params_);
+               xml::closeTag(xs, "span", "inline");
+               break;
+
+       case InsetInfoParams::MENU_INFO:
+               xhtmlMenuInfo(xs, buffer(), params_);
+               break;
+       case InsetInfoParams::ICON_INFO:
+               xhtmlIconInfo(xs, rp, buffer_, params_);
+               break;
+       case InsetInfoParams::LYX_INFO:
+               xml::openTag(xs, "span", "class=\"lyx-info " + params_.name + "\"", "inline");
+               xs << getLyXInfo(params_);
+               xml::closeTag(xs, "span", "inline");
+               break;
+
+       case InsetInfoParams::L7N_INFO:
+               xml::openTag(xs, "span", R"(class="localized" translate="no")", "inline");
+               xs << getNormalizedL7N(params_);
+               xml::closeTag(xs, "span", "inline");
+               break;
+
+       case InsetInfoParams::UNKNOWN_INFO:
+               xml::openTag(xs, "span", R"(class="unknown")", "inline");
+               xs << from_ascii("Unknown Info!");
+               xml::closeTag(xs, "span", "inline");
+               break;
+       default:
+               lyxerr << "Unrecognised InsetInfoParams::info_type: " << params().type;
+
+               xml::openTag(xs, "span", R"(class="unrecognized")", "inline");
+               xs << from_ascii("Unrecognized Info!");
+               xml::closeTag(xs, "span", "inline");
+               break;
+       }
+
+       return from_ascii("");
+}
+
 
 } // namespace lyx