]> git.lyx.org Git - lyx.git/blobdiff - src/mathed/math_factory.C
Fix to bug 2362: Deleting superscript also deletes subscript.
[lyx.git] / src / mathed / math_factory.C
index 18c2bd90bb0fff44dfde6efe38a8d2c0c3d86ee6..9faf0e80909cffab68c29fff64874a606a21a425 100644 (file)
@@ -1,23 +1,42 @@
+/**
+ * \file math_factory.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
 #include <config.h>
 
+#include "math_factory.h"
 #include "math_parser.h"
 #include "math_arrayinset.h"
 #include "math_amsarrayinset.h"
 #include "math_binominset.h"
 #include "math_boxinset.h"
+#include "math_boxedinset.h"
+#include "math_boldsymbolinset.h"
 #include "math_casesinset.h"
+#include "math_colorinset.h"
 #include "math_decorationinset.h"
+#include "math_dfracinset.h"
 #include "math_dotsinset.h"
 #include "math_fboxinset.h"
+#include "math_frameboxinset.h"
 #include "math_fontinset.h"
+#include "math_fontoldinset.h"
 #include "math_fracinset.h"
 #include "math_kerninset.h"
 #include "math_lefteqninset.h"
 #include "math_macro.h"
+#include "math_macroarg.h"
 #include "math_macrotable.h"
 #include "math_macrotemplate.h"
-#include "math_macroarg.h"
-#include "math_parboxinset.h"
+#include "math_makeboxinset.h"
+#include "math_oversetinset.h"
+#include "math_parser.h"
 #include "math_rootinset.h"
 #include "math_sizeinset.h"
 #include "math_spaceinset.h"
 #include "math_stackrelinset.h"
 #include "math_substackinset.h"
 #include "math_symbolinset.h"
+#include "math_tabularinset.h"
+#include "math_tfracinset.h"
 #include "math_undersetinset.h"
 #include "math_unknowninset.h"
 #include "math_xarrowinset.h"
 #include "math_xymatrixinset.h"
-#include "math_xyarrowinset.h"
 
 //#include "insets/insetref.h"
 #include "ref_inset.h"
 
-#include "math_metricsinfo.h"
 #include "debug.h"
 #include "math_support.h"
-#include "Lsstream.h"
+
 #include "support/filetools.h" // LibFileSearch
+#include "support/lstrings.h"
+
 #include "frontends/lyx_gui.h"
 
-#include <map>
 #include <fstream>
+#include <sstream>
+
+using lyx::support::LibFileSearch;
+using lyx::support::split;
+
+using std::string;
+using std::endl;
+using std::istringstream;
+
+bool has_math_fonts;
 
 
 namespace {
@@ -68,7 +98,9 @@ bool math_font_available(string & name)
                return true;
        }
 
-       lyxerr[Debug::MATHED] << "font " << name << " not available and I can't fake it\n";
+       lyxerr[Debug::MATHED]
+               << "font " << name << " not available and I can't fake it"
+               << endl;
        return false;
 }
 
@@ -76,80 +108,114 @@ bool math_font_available(string & name)
 void initSymbols()
 {
        string const filename = LibFileSearch(string(), "symbols");
-       lyxerr[Debug::MATHED] << "read symbols from " << filename << "\n";
+       lyxerr[Debug::MATHED] << "read symbols from " << filename << endl;
        if (filename.empty()) {
-               lyxerr << "Could not find symbols file\n";
+               lyxerr << "Could not find symbols file" << endl;
                return;
        }
 
        std::ifstream fs(filename.c_str());
        string line;
+       bool skip = false;
        while (getline(fs, line)) {
                int charid     = 0;
                int fallbackid = 0;
-               latexkeys tmp;
-               if (line.size() > 0 && line[0] == '#')
+               if (!line.empty() && line[0] == '#')
+                       continue;
+
+               // special case of iffont/else/endif
+               if (line.size() >= 7 && line.substr(0, 6) == "iffont") {
+                       istringstream is(line);
+                       string tmp;
+                       is >> tmp;
+                       is >> tmp;
+                       skip = !math_font_available(tmp);
+                       continue;
+               } else if (line.size() >= 4 && line.substr(0, 4) == "else") {
+                       skip = !skip;
+               } else if (line.size() >= 5 && line.substr(0, 5) == "endif") {
+                       skip = false;
+                       continue;
+               } else if (skip)
                        continue;
 
                // special case of pre-defined macros
                if (line.size() > 8 && line.substr(0, 5) == "\\def\\") {
-                       lyxerr << "defining: '" << line << "'\n";
-                       istringstream is(line);
-                       MathMacroTable::create(MathAtom(new MathMacroTemplate(is)));
+                       //lyxerr << "macro definition: '" << line << '\'' << endl;
+                       MacroTable::globalMacros().insert(line);
                        continue;
                }
 
                istringstream is(line);
+               latexkeys tmp;
                is >> tmp.name >> tmp.inset;
-               if (isFontName(tmp.inset)) 
+               if (isFontName(tmp.inset))
                        is >> charid >> fallbackid >> tmp.extra >> tmp.xmlname;
                else
                        is >> tmp.extra;
                if (!is) {
-                       lyxerr[Debug::MATHED] << "skipping line '" << line << "'\n";
+                       lyxerr[Debug::MATHED] << "skipping line '" << line << '\'' << endl;
                        lyxerr[Debug::MATHED]
-                               << tmp.name << ' ' << tmp.inset << ' ' << tmp.extra << "\n";
+                               << tmp.name << ' ' << tmp.inset << ' ' << tmp.extra << endl;
                        continue;
                }
 
                if (isFontName(tmp.inset)) {
                        // tmp.inset _is_ the fontname here.
                        // create fallbacks if necessary
-                       if (tmp.extra=="func" || tmp.extra=="funclim" || tmp.extra=="special") {
-                               lyxerr[Debug::MATHED] << "symbol abuse for " << tmp.name << "\n";
+
+                       // store requirements as long as we can
+                       if (tmp.inset == "msa" || tmp.inset == "msb")
+                               tmp.requires = "amssymb";
+                       // See http://bugzilla.lyx.org/show_bug.cgi?id=1942
+                       // else if (tmp.inset == "wasy")
+                       //      tmp.requires = "wasysym";
+
+                       // symbol font is not available sometimes
+                       string symbol_font = "lyxsymbol";
+
+                       if (tmp.extra == "func" || tmp.extra == "funclim" || tmp.extra == "special") {
+                               lyxerr[Debug::MATHED] << "symbol abuse for " << tmp.name << endl;
                                tmp.draw = tmp.name;
                        } else if (math_font_available(tmp.inset)) {
-                               lyxerr[Debug::MATHED] << "symbol available for " << tmp.name << "\n";
+                               lyxerr[Debug::MATHED] << "symbol available for " << tmp.name << endl;
                                tmp.draw += char(charid);
-                       } else if (fallbackid) {
+                       } else if (fallbackid && math_font_available(symbol_font)) {
                                if (tmp.inset == "cmex")
                                        tmp.inset  = "lyxsymbol";
                                else
                                        tmp.inset  = "lyxboldsymbol";
-                               lyxerr[Debug::MATHED] << "symbol fallback for " << tmp.name << "\n";
-                               tmp.draw += char(fallbackid); 
+                               lyxerr[Debug::MATHED] << "symbol fallback for " << tmp.name << endl;
+                               tmp.draw += char(fallbackid);
                        } else {
-                               lyxerr[Debug::MATHED] << "faking " << tmp.name << "\n";
+                               lyxerr[Debug::MATHED] << "faking " << tmp.name << endl;
                                tmp.draw = tmp.name;
                                tmp.inset = "lyxtex";
                        }
                } else {
                        // it's a proper inset
-                       lyxerr[Debug::MATHED] << "inset " << tmp.inset << " used for "
-                               << tmp.name << "\n";
+                       lyxerr[Debug::MATHED] << "inset " << tmp.inset
+                                             << " used for " << tmp.name
+                                             << endl;
                }
 
                if (theWordList.find(tmp.name) != theWordList.end())
-                       lyxerr[Debug::MATHED] << "readSymbols: inset " << tmp.name
-                               << " already exists.\n";
+                       lyxerr[Debug::MATHED]
+                               << "readSymbols: inset " << tmp.name
+                               << " already exists." << endl;
                else
                        theWordList[tmp.name] = tmp;
-               lyxerr[Debug::MATHED] << "read symbol '" << tmp.name
-                                       <<  "  inset: " << tmp.inset
-                                       <<  "  draw: " << int(tmp.draw[0])
-                                       <<  "  extra: " << tmp.extra
-                                       << "'\n";
+
+               lyxerr[Debug::MATHED]
+                       << "read symbol '" << tmp.name
+                       << "  inset: " << tmp.inset
+                       << "  draw: " << int(tmp.draw.empty() ? 0 : tmp.draw[0])
+                       << "  extra: " << tmp.extra
+                       << '\'' << endl;
        }
+       string tmp = "cmm";
+       string tmp2 = "cmsy";
+       has_math_fonts = math_font_available(tmp) && math_font_available(tmp2);
 }
 
 
@@ -160,8 +226,9 @@ void initMath()
 {
        static bool initialized = false;
        if (!initialized) {
-               initSymbols();
                initialized = true;
+               initParser();
+               initSymbols();
        }
 }
 
@@ -169,28 +236,68 @@ void initMath()
 latexkeys const * in_word_set(string const & str)
 {
        WordList::iterator it = theWordList.find(str);
-       //lyxerr << "looking up '" << str << "' found: "
-       // << (it != theWordList.end()) << "\n";
-       return (it != theWordList.end()) ? &(it->second) : 0;
+       return it != theWordList.end() ? &(it->second) : 0;
 }
 
 
 MathAtom createMathInset(string const & s)
 {
-       lyxerr[Debug::MATHED] << "creating inset with name: '" << s << "'\n";
+       //lyxerr << "creating inset with name: '" << s << '\'' << endl;
+       latexkeys const * l = in_word_set(s);
+       if (l) {
+               string const & inset = l->inset;
+               //lyxerr << " found inset: '" << inset << '\'' << endl;
+               if (inset == "ref")
+                       return MathAtom(new RefInset(l->name));
+               if (inset == "overset")
+                       return MathAtom(new MathOversetInset);
+               if (inset == "underset")
+                       return MathAtom(new MathUndersetInset);
+               if (inset == "decoration")
+                       return MathAtom(new MathDecorationInset(l));
+               if (inset == "space")
+                       return MathAtom(new MathSpaceInset(l->name));
+               if (inset == "dots")
+                       return MathAtom(new MathDotsInset(l));
+               if (inset == "mbox")
+                       // return MathAtom(new MathMBoxInset);
+                       // MathMBoxInset is proposed to replace MathBoxInset,
+                       // but is not ready yet (it needs a BufferView for
+                       // construction)
+                       return MathAtom(new MathBoxInset(l->name));
+//             if (inset == "fbox")
+//                     return MathAtom(new MathFboxInset(l));
+               if (inset == "style")
+                       return MathAtom(new MathSizeInset(l));
+               if (inset == "font")
+                       return MathAtom(new MathFontInset(l));
+               if (inset == "oldfont")
+                       return MathAtom(new MathFontOldInset(l));
+               if (inset == "matrix")
+                       return MathAtom(new MathAMSArrayInset(s));
+               return MathAtom(new MathSymbolInset(l));
+       }
+
        if (s.size() == 2 && s[0] == '#' && s[1] >= '1' && s[1] <= '9')
                return MathAtom(new MathMacroArgument(s[1] - '0'));
-
        if (s.size() == 3 && s[0] == '\\' && s[1] == '#'
                        && s[2] >= '1' && s[2] <= '9')
                return MathAtom(new MathMacroArgument(s[2] - '0'));
+       if (s == "boxed")
+               return MathAtom(new MathBoxedInset());
+       if (s == "fbox")
+               return MathAtom(new MathFboxInset());
+       if (s == "framebox")
+               return MathAtom(new MathFrameboxInset);
+       if (s == "makebox")
+               return MathAtom(new MathMakeboxInset);
        if (s == "kern")
                return MathAtom(new MathKernInset);
        if (s == "xymatrix")
                return MathAtom(new MathXYMatrixInset);
        if (s == "xrightarrow" || s == "xleftarrow")
                return MathAtom(new MathXArrowInset(s));
-       if (s == "split" || s == "gathered" || s == "aligned")
+       if (s == "split" || s == "gathered" || s == "aligned" || s == "alignedat")
                return MathAtom(new MathSplitInset(s));
        if (s == "cases")
                return MathAtom(new MathCasesInset);
@@ -202,51 +309,63 @@ MathAtom createMathInset(string const & s)
                return MathAtom(new MathSqrtInset);
        if (s == "root")
                return MathAtom(new MathRootInset);
+       if (s == "tabular")
+               return MathAtom(new MathTabularInset(s, 1, 1));
        if (s == "stackrel")
                return MathAtom(new MathStackrelInset);
        if (s == "binom" || s == "choose")
                return MathAtom(new MathBinomInset(s == "choose"));
        if (s == "over" || s == "frac")
                return MathAtom(new MathFracInset);
+       //if (s == "infer")
+       //      return MathAtom(new MathInferInset);
        if (s == "atop")
                return MathAtom(new MathFracInset(true));
        if (s == "lefteqn")
                return MathAtom(new MathLefteqnInset);
+       if (s == "boldsymbol")
+               return MathAtom(new MathBoldsymbolInset);
+       if (s == "color" || s == "normalcolor")
+               return MathAtom(new MathColorInset(true));
+       if (s == "textcolor")
+               return MathAtom(new MathColorInset(false));
+       if (s == "dfrac")
+               return MathAtom(new MathDfracInset);
+       if (s == "tfrac")
+               return MathAtom(new MathTfracInset);
 
-       latexkeys const * l = in_word_set(s);
-       if (l) {
-               string const & inset = l->inset;
-               lyxerr[Debug::MATHED] << " found inset: '" << inset << "'\n";
-               if (inset == "ref")
-                       return MathAtom(new RefInset(l->name));
-               if (inset == "underset")
-                       return MathAtom(new MathUndersetInset);
-               if (inset == "decoration")
-                       return MathAtom(new MathDecorationInset(l->name));
-               if (inset == "space")
-                       return MathAtom(new MathSpaceInset(l->name));
-               if (inset == "dots")
-                       return MathAtom(new MathDotsInset(l->name));
-               if (inset == "mbox")
-                       return MathAtom(new MathBoxInset(l->name));
-               if (inset == "parbox")
-                       return MathAtom(new MathParboxInset);
-               if (inset == "fbox")
-                       return MathAtom(new MathFboxInset);
-               if (inset == "style")
-                       return MathAtom(new MathSizeInset(l));
-               if (inset == "font")
-                       return MathAtom(new MathFontInset(l->name));
-               if (inset == "oldfont")
-                       return MathAtom(new MathFontInset(l->name));
-               if (inset == "matrix")
-                       return MathAtom(new MathAMSArrayInset(s));
-               return MathAtom(new MathSymbolInset(l));
-       }
-
-       if (MathMacroTable::has(s))
-               return MathAtom(new MathMacro(s));
+       if (MacroTable::globalMacros().has(s))
+               return MathAtom(new MathMacro(s,
+                       MacroTable::globalMacros().get(s).numargs()));
+       //if (MacroTable::localMacros().has(s))
+       //      return MathAtom(new MathMacro(s,
+       //              MacroTable::localMacros().get(s).numargs()));
 
-       //lyxerr[Debug::MATHED] << "creating inset 2 with name: '" << s << "'\n";
+       //lyxerr << "creating unknown inset '" << s << "'" << endl;
        return MathAtom(new MathUnknownInset(s));
 }
+
+
+bool createMathInset_fromDialogStr(string const & str, MathArray & ar)
+{
+       // An example str:
+       // "ref LatexCommand \\ref{sec:Title}\n\\end_inset\n\n";
+       string name;
+       string body = split(str, name, ' ');
+
+       if (name != "ref" )
+               return false;
+
+       // body comes with a head "LatexCommand " and a
+       // tail "\nend_inset\n\n". Strip them off.
+       string trimmed;
+       body = split(body, trimmed, ' ');
+       split(body, trimmed, '\n');
+
+       mathed_parse_cell(ar, trimmed);
+       if (ar.size() != 1)
+               return false;
+
+       return ar[0].nucleus();
+}
+