]> git.lyx.org Git - lyx.git/blobdiff - src/tex2lyx/text.cpp
Make undo action no-ops when the buffer is read-only
[lyx.git] / src / tex2lyx / text.cpp
index 8c0d73e8c037e0de9b5dc06132d14e53cfc8347c..76d11a7cb8830ff8e80fc0c6793a357472c3fc35 100644 (file)
@@ -21,7 +21,6 @@
 #include "FloatList.h"
 #include "LaTeXPackages.h"
 #include "Layout.h"
-#include "Length.h"
 #include "Preamble.h"
 
 #include "insets/ExternalTemplate.h"
@@ -30,6 +29,7 @@
 #include "support/convert.h"
 #include "support/FileName.h"
 #include "support/filetools.h"
+#include "support/Length.h"
 #include "support/lstrings.h"
 #include "support/lyxtime.h"
 
@@ -47,15 +47,15 @@ namespace lyx {
 
 namespace {
 
-void output_arguments(ostream &, Parser &, bool, bool, string, Context &,
+void output_arguments(ostream &, Parser &, bool, bool, const string &, Context &,
                       Layout::LaTeXArgMap const &);
 
 }
 
 
 void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
-               Context const & context, InsetLayout const * layout,
-               string const rdelim)
+               Context & context, InsetLayout const * layout,
+               string const rdelim)
 {
        bool const forcePlainLayout =
                layout ? layout->forcePlainLayout() : false;
@@ -64,6 +64,10 @@ void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
                newcontext.layout = &context.textclass.plainLayout();
        else
                newcontext.font = context.font;
+       // Inherit commands to pass through
+       newcontext.pass_thru_cmds = context.pass_thru_cmds;
+       // and table cell
+       newcontext.in_table_cell = context.in_table_cell;
        if (layout)
                output_arguments(os, p, outer, false, string(), newcontext,
                                 layout->latexargs());
@@ -79,6 +83,7 @@ void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
                output_arguments(os, p, outer, false, "post", newcontext,
                                 layout->postcommandargs());
        newcontext.check_end_layout(os);
+       context.cell_align = newcontext.cell_align;
 }
 
 
@@ -86,14 +91,15 @@ namespace {
 
 void parse_text_in_inset(Parser & p, ostream & os, unsigned flags, bool outer,
                Context const & context, string const & name,
-               string const rdelim = string())
+               string const rdelim = string())
 {
        InsetLayout const * layout = 0;
        DocumentClass::InsetLayouts::const_iterator it =
                context.textclass.insetLayouts().find(from_ascii(name));
        if (it != context.textclass.insetLayouts().end())
                layout = &(it->second);
-       parse_text_in_inset(p, os, flags, outer, context, layout, rdelim);
+       Context newcontext = context;
+       parse_text_in_inset(p, os, flags, outer, newcontext, layout, rdelim);
 }
 
 /// parses a paragraph snippet, useful for example for \\emph{...}
@@ -316,18 +322,26 @@ char const * const known_pdftex_graphics_formats[] = {"png", "pdf", "jpg",
 char const * const known_tex_extensions[] = {"tex", 0};
 
 /// spaces known by InsetSpace
-char const * const known_spaces[] = { " ", "space", ",",
-"thinspace", "quad", "qquad", "enspace", "enskip",
-"negthinspace", "negmedspace", "negthickspace", "textvisiblespace",
-"hfill", "dotfill", "hrulefill", "leftarrowfill", "rightarrowfill",
-"upbracefill", "downbracefill", 0};
+char const * const known_spaces[] = { " ", "space", 
+",", "thinspace",//                                   \\, = \\thinspace
+"quad", "qquad", "enspace", "enskip",
+";", ">", "medspace",//                               \\; = \\> = \\medspace
+":", "thickspace",//                                  \\: = \\thickspace
+"!", "negthinspace",//                                \\! = \\negthinspace
+"negmedspace", "negthickspace",
+"textvisiblespace", "hfill", "dotfill", "hrulefill", "leftarrowfill",
+"rightarrowfill", "upbracefill", "downbracefill", 0};
 
 /// the same as known_spaces with .lyx names
 char const * const known_coded_spaces[] = { "space{}", "space{}",
-"thinspace{}", "thinspace{}", "quad{}", "qquad{}", "enspace{}", "enskip{}",
-"negthinspace{}", "negmedspace{}", "negthickspace{}", "textvisiblespace{}",
-"hfill{}", "dotfill{}", "hrulefill{}", "leftarrowfill{}", "rightarrowfill{}",
-"upbracefill{}", "downbracefill{}", 0};
+"thinspace{}", "thinspace{}",
+"quad{}", "qquad{}", "enspace{}", "enskip{}",
+"medspace{}", "medspace{}", "medspace{}",
+"thickspace{}", "thickspace{}",
+"negthinspace{}", "negthinspace{}",
+"negmedspace{}", "negthickspace{}",
+"textvisiblespace{}", "hfill{}", "dotfill{}", "hrulefill{}", "leftarrowfill{}",
+"rightarrowfill{}", "upbracefill{}", "downbracefill{}", 0};
 
 /// known TIPA combining diacritical marks
 char const * const known_tipa_marks[] = {"textsubwedge", "textsubumlaut",
@@ -459,7 +473,7 @@ bool translate_len(string const & length, string & valstring, string & unit)
 
 /// If we have ambiguous quotation marks, make a smart guess
 /// based on main quote style
-string guessQuoteStyle(string in, bool const opening)
+string guessQuoteStyle(string const & in, bool const opening)
 {
        string res = in;
        if (prefixIs(in, "qr")) {// straight quote
@@ -481,6 +495,8 @@ string guessQuoteStyle(string in, bool const opening)
                        res = "brs";
                else if (preamble.quotesStyle() == "french")
                        res = "frs";
+               else if (preamble.quotesStyle() == "hungarian")
+                       res = "hrd";
                else if (preamble.quotesStyle() == "swedish")
                        res = opening ? "sld" : "srd";
        } else if (in == "els") {// `
@@ -502,6 +518,8 @@ string guessQuoteStyle(string in, bool const opening)
                        res = "fld";
                else if (preamble.quotesStyle() == "russian")
                        res = "rld";
+               else if (preamble.quotesStyle() == "hungarian")
+                       res = "hrs";
        } else if (in == "ald") {// <<
                if (preamble.quotesStyle() == "swiss")
                        res = "crd";
@@ -509,6 +527,8 @@ string guessQuoteStyle(string in, bool const opening)
                        res = "frd";
                else if (preamble.quotesStyle() == "russian")
                        res = "rrd";
+               else if (preamble.quotesStyle() == "hungarian")
+                       res = "hls";
        } else if (in == "ars") {// >
                if (preamble.quotesStyle() == "swiss")
                        res = "cls";
@@ -518,6 +538,8 @@ string guessQuoteStyle(string in, bool const opening)
        } else if (in == "gld") {// ,,
                if (preamble.quotesStyle() == "polish")
                        res = "pld";
+               else if (preamble.quotesStyle() == "hungarian")
+                       res = "hld";
                else if (preamble.quotesStyle() == "russian")
                        res = "rls";
        } else if (in == "gls") {// ,
@@ -528,7 +550,7 @@ string guessQuoteStyle(string in, bool const opening)
 }
 
 
-string const fromPolyglossiaEnvironment(string const s)
+string const fromPolyglossiaEnvironment(string const s)
 {
        // Since \arabic is taken by the LaTeX kernel,
        // the Arabic polyglossia environment is upcased
@@ -539,7 +561,7 @@ string const fromPolyglossiaEnvironment(string const s)
 }
 
 
-string uncapitalize(string const s)
+string uncapitalize(string const s)
 {
        docstring in = from_ascii(s);
        char_type t = lowercase(s[0]);
@@ -548,7 +570,7 @@ string uncapitalize(string const s)
 }
 
 
-bool isCapitalized(string const s)
+bool isCapitalized(string const s)
 {
        docstring in = from_ascii(s);
        char_type t = uppercase(s[0]);
@@ -686,7 +708,7 @@ pair<bool, string> convert_latexed_command_inset_arg(string s)
 
 /// try to convert \p s to a valid InsetCommand argument
 /// without trying to recode macros.
-string convert_literate_command_inset_arg(string s)
+string convert_literate_command_inset_arg(string const & s)
 {
        // LyX cannot handle newlines in a latex command
        return subst(s, "\n", " ");
@@ -695,14 +717,14 @@ string convert_literate_command_inset_arg(string s)
 void output_ert(ostream & os, string const & s, Context & context)
 {
        context.check_layout(os);
-       for (string::const_iterator it = s.begin(), et = s.end(); it != et; ++it) {
-               if (*it == '\\')
+       for (char const c : s) {
+               if (c == '\\')
                        os << "\n\\backslash\n";
-               else if (*it == '\n') {
+               else if (c == '\n') {
                        context.new_paragraph(os);
                        context.check_layout(os);
                } else
-                       os << *it;
+                       os << c;
        }
        context.check_end_layout(os);
 }
@@ -789,7 +811,7 @@ void skip_spaces_braces(Parser & p, bool keepws = false)
 }
 
 
-void output_arguments(ostream & os, Parser & p, bool outer, bool need_layout, string const prefix,
+void output_arguments(ostream & os, Parser & p, bool outer, bool need_layout, string const prefix,
                       Context & context, Layout::LaTeXArgMap const & latexargs)
 {
        if (context.layout->latextype != LATEX_ITEM_ENVIRONMENT || !prefix.empty()) {
@@ -924,7 +946,7 @@ void output_command_layout(ostream & os, Parser & p, bool outer,
  *
  * 2. could be used to suppress as many spaces as possible. This has two effects:
  * - Reimporting LyX generated LaTeX files changes almost no whitespace
- * - Superflous whitespace from non LyX generated LaTeX files is removed.
+ * - Superfluous whitespace from non LyX generated LaTeX files is removed.
  * The drawback is that the logic inside the function becomes
  * complicated, and that is the reason why it is not implemented.
  */
@@ -1310,7 +1332,7 @@ void parse_box(Parser & p, ostream & os, unsigned outer_flags,
                        os << "use_makebox " << (inner_type == "makebox") << '\n';
                if (outer_type == "mbox" || (outer_type == "fbox" && inner_type.empty()))
                        os << "width \"\"\n";
-               // for values like "1.5\width" LyX uses "1.5in" as width ad sets "width" as sepecial
+               // for values like "1.5\width" LyX uses "1.5in" as width and sets "width" as special
                else if (contains(width_unit, '\\'))
                        os << "width \"" << width_value << "in" << "\"\n";
                else
@@ -1639,18 +1661,22 @@ void parse_environment(Parser & p, ostream & os, bool outer,
                        break;
                }
 
-               // We need to use fromPolyglossiaEnvironment die to Arabic > arabic
+               // We need to use fromPolyglossiaEnvironment due to Arabic > arabic
                if (is_known(fromPolyglossiaEnvironment(name), preamble.polyglossia_languages)) {
                        // We must begin a new paragraph if not already done
-                       if (! parent_context.atParagraphStart()) {
+                       if (!parent_context.atParagraphStart()) {
                                parent_context.check_end_layout(os);
                                parent_context.new_paragraph(os);
                        }
-                       // save the language in the context so that it is
+                       // store previous language because we must reset it at the end
+                       string const lang_old = parent_context.font.language;
+                       // save new language in context so that it is
                        // handled by parse_text
                        parent_context.font.language =
                                preamble.polyglossia2lyx(fromPolyglossiaEnvironment(name));
                        parse_text(p, os, FLAG_END, outer, parent_context);
+                       // reset previous language
+                       parent_context.font.language = lang_old;
                        // Just in case the environment is empty
                        parent_context.extra_stuff.erase();
                        // We must begin a new paragraph to reset the language
@@ -1713,7 +1739,13 @@ void parse_environment(Parser & p, ostream & os, bool outer,
                        os << "wide " << convert<string>(is_starred)
                           << "\nsideways false"
                           << "\nstatus open\n\n";
+                       set<string> pass_thru_cmds = parent_context.pass_thru_cmds;
+                       if (unstarred_name == "algorithm")
+                               // in algorithm, \; has special meaning
+                               parent_context.pass_thru_cmds.insert(";");
                        parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
+                       if (unstarred_name == "algorithm")
+                               parent_context.pass_thru_cmds = pass_thru_cmds;
                        end_inset(os);
                        // We don't need really a new paragraph, but
                        // we must make sure that the next item gets a \begin_layout.
@@ -1849,7 +1881,13 @@ void parse_environment(Parser & p, ostream & os, bool outer,
                        eat_whitespace(p, os, parent_context, false);
                        parent_context.check_layout(os);
                        begin_inset(os, "IPA\n");
+                       set<string> pass_thru_cmds = parent_context.pass_thru_cmds;
+                       // These commands have special meanings in IPA
+                       parent_context.pass_thru_cmds.insert("!");
+                       parent_context.pass_thru_cmds.insert(";");
+                       parent_context.pass_thru_cmds.insert(":");
                        parse_text_in_inset(p, os, FLAG_END, outer, parent_context);
+                       parent_context.pass_thru_cmds = pass_thru_cmds;
                        end_inset(os);
                        p.skip_spaces();
                        preamble.registerAutomaticallyLoadedPackage("tipa");
@@ -2355,7 +2393,7 @@ void parse_environment(Parser & p, ostream & os, bool outer,
                        p.skip_spaces();
                        if (!preamble.titleLayoutFound())
                                preamble.titleLayoutFound(newlayout->intitle);
-                       set<string> const & req = newlayout->requires();
+                       set<string> const & req = newlayout->required();
                        set<string>::const_iterator it = req.begin();
                        set<string>::const_iterator en = req.end();
                        for (; it != en; ++it)
@@ -2402,7 +2440,7 @@ void parse_environment(Parser & p, ostream & os, bool outer,
 
                if (known_environments.find(name) != known_environments.end()) {
                        vector<ArgumentType> arguments = known_environments[name];
-                       // The last "argument" denotes wether we may translate the
+                       // The last "argument" denotes whether we may translate the
                        // environment contents to LyX
                        // The default required if no argument is given makes us
                        // compatible with the reLyXre environment.
@@ -2532,7 +2570,7 @@ void get_cite_arguments(Parser & p, bool natbibOrder,
 }
 
 
-void copy_file(FileName const & src, string dstname)
+void copy_file(FileName const & src, string const & dstname)
 {
        if (!copyFiles())
                return;
@@ -2863,7 +2901,7 @@ void fix_child_filename(string & name)
 
 
 void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
-               Context & context, string const rdelim)
+               Context & context, string const rdelim)
 {
        Layout const * newlayout = 0;
        InsetLayout const * newinsetlayout = 0;
@@ -3533,7 +3571,7 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                        parse_text_snippet(p, os, FLAG_ITEM, outer, context);
                                        if (!preamble.titleLayoutFound())
                                                preamble.titleLayoutFound(newlayout->intitle);
-                                       set<string> const & req = newlayout->requires();
+                                       set<string> const & req = newlayout->required();
                                        set<string>::const_iterator it = req.begin();
                                        set<string>::const_iterator en = req.end();
                                        for (; it != en; ++it)
@@ -3559,7 +3597,7 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        p.skip_spaces();
                        if (!preamble.titleLayoutFound())
                                preamble.titleLayoutFound(newlayout->intitle);
-                       set<string> const & req = newlayout->requires();
+                       set<string> const & req = newlayout->required();
                        for (set<string>::const_iterator it = req.begin(); it != req.end(); ++it)
                                preamble.registerAutomaticallyLoadedPackage(*it);
                        continue;
@@ -3576,7 +3614,7 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        p.skip_spaces();
                        if (!preamble.titleLayoutFound())
                                preamble.titleLayoutFound(newlayout->intitle);
-                       set<string> const & req = newlayout->requires();
+                       set<string> const & req = newlayout->required();
                        for (set<string>::const_iterator it = req.begin(); it != req.end(); ++it)
                                preamble.registerAutomaticallyLoadedPackage(*it);
                        continue;
@@ -3590,7 +3628,7 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        p.skip_spaces();
                        if (!preamble.titleLayoutFound())
                                preamble.titleLayoutFound(newlayout->intitle);
-                       set<string> const & req = newlayout->requires();
+                       set<string> const & req = newlayout->required();
                        for (set<string>::const_iterator it = req.begin(); it != req.end(); ++it)
                                preamble.registerAutomaticallyLoadedPackage(*it);
                        continue;
@@ -4076,7 +4114,6 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                os << "\n\\change_deleted ";
                        os << author.bufferId() << ' ' << ptime << '\n';
                        parse_text_snippet(p, os, FLAG_ITEM, outer, context);
-                       bool dvipost    = LaTeXPackages::isAvailable("dvipost");
                        bool xcolorulem = LaTeXPackages::isAvailable("ulem") &&
                                          LaTeXPackages::isAvailable("xcolor");
                        // No need to test for luatex, since luatex comes in
@@ -4089,9 +4126,7 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                        preamble.registerAutomaticallyLoadedPackage("pdfcolmk");
                                }
                        } else {
-                               if (dvipost) {
-                                       preamble.registerAutomaticallyLoadedPackage("dvipost");
-                               } else if (xcolorulem) {
+                               if (xcolorulem) {
                                        preamble.registerAutomaticallyLoadedPackage("ulem");
                                        preamble.registerAutomaticallyLoadedPackage("xcolor");
                                }
@@ -4104,7 +4139,13 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        begin_inset(os, "IPA\n");
                        bool merging_hyphens_allowed = context.merging_hyphens_allowed;
                        context.merging_hyphens_allowed = false;
+                       set<string> pass_thru_cmds = context.pass_thru_cmds;
+                       // These commands have special meanings in IPA
+                       context.pass_thru_cmds.insert("!");
+                       context.pass_thru_cmds.insert(";");
+                       context.pass_thru_cmds.insert(":");
                        parse_text_in_inset(p, os, FLAG_ITEM, outer, context);
+                       context.pass_thru_cmds = pass_thru_cmds;
                        context.merging_hyphens_allowed = merging_hyphens_allowed;
                        end_inset(os);
                        preamble.registerAutomaticallyLoadedPackage("tipa");
@@ -5064,6 +5105,13 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        continue;
                }
 
+               if (t.cs() == "endgraf" && context.in_table_cell) {
+                       context.new_paragraph(os);
+                       context.check_layout(os);
+                       skip_spaces_braces(p);
+                       continue;
+               }
+
                if (t.cs() == "input" || t.cs() == "include"
                    || t.cs() == "verbatiminput"
                    || t.cs() == "lstinputlisting"
@@ -5488,28 +5536,36 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                // the code for the alignment was put here
                // put them in their own if if this is fixed
                if (t.cs() == "fboxrule" || t.cs() == "fboxsep"
-                   || t.cs() == "shadowsize"
-                   || t.cs() == "raggedleft" || t.cs() == "centering"
-                   || t.cs() == "raggedright") {
+                   || t.cs() == "shadowsize") {
                        if (t.cs() == "fboxrule")
                                fboxrule = "";
                        if (t.cs() == "fboxsep")
                                fboxsep = "";
                        if (t.cs() == "shadowsize")
                                shadow_size = "";
-                       if (t.cs() != "raggedleft" && t.cs() != "centering"
-                        && t.cs() != "raggedright") {
+                       p.skip_spaces(true);
+                       while (p.good() && p.next_token().cat() != catSpace
+                              && p.next_token().cat() != catNewline
+                              && p.next_token().cat() != catEscape) {
+                               if (t.cs() == "fboxrule")
+                                       fboxrule = fboxrule + p.get_token().asInput();
+                               if (t.cs() == "fboxsep")
+                                       fboxsep = fboxsep + p.get_token().asInput();
+                               if (t.cs() == "shadowsize")
+                                       shadow_size = shadow_size + p.get_token().asInput();
+                       }
+                       continue;
+               }
+
+               if (t.cs() == "raggedleft" || t.cs() == "centering" || t.cs() == "raggedright") {
+                       if (context.in_table_cell) {
+                               if (t.cs() == "raggedleft")
+                                       context.cell_align = 'r';
+                               else if (t.cs() == "centering")
+                                       context.cell_align = 'c';
+                               else if (t.cs() == "raggedright")
+                                       context.cell_align = 'l';
                                p.skip_spaces(true);
-                               while (p.good() && p.next_token().cat() != catSpace
-                                      && p.next_token().cat() != catNewline
-                                      && p.next_token().cat() != catEscape) {
-                                       if (t.cs() == "fboxrule")
-                                               fboxrule = fboxrule + p.get_token().asInput();
-                                       if (t.cs() == "fboxsep")
-                                               fboxsep = fboxsep + p.get_token().asInput();
-                                       if (t.cs() == "shadowsize")
-                                               shadow_size = shadow_size + p.get_token().asInput();
-                               }
                        } else {
                                output_ert_inset(os, t.asInput(), context);
                        }
@@ -5569,16 +5625,18 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                        continue;
                }
 
-               if ((where = is_known(t.cs(), known_spaces))) {
+               if ((where = is_known(t.cs(), known_spaces))
+                   && (context.pass_thru_cmds.find(t.cs()) == context.pass_thru_cmds.end())) {
                        context.check_layout(os);
                        begin_inset(os, "space ");
                        os << '\\' << known_coded_spaces[where - known_spaces]
                           << '\n';
                        end_inset(os);
                        // LaTeX swallows whitespace after all spaces except
-                       // "\\,". We have to do that here, too, because LyX
+                       // "\\,", "\\>", "\\!", "\\;", and "\\:".
+                       // We have to do that here, too, because LyX
                        // adds "{}" which would make the spaces significant.
-                       if (t.cs() !=  ",")
+                       if (!contains(",>!;:", t.cs()))
                                eat_whitespace(p, os, context, false);
                        // LyX adds "{}" after all spaces except "\\ " and
                        // "\\,", so we have to remove "{}".
@@ -5592,7 +5650,8 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                if (t.cs() == "newpage" ||
                    (t.cs() == "pagebreak" && !p.hasOpt()) ||
                    t.cs() == "clearpage" ||
-                   t.cs() == "cleardoublepage") {
+                   t.cs() == "cleardoublepage" ||
+                   t.cs() == "nopagebreak") {
                        context.check_layout(os);
                        begin_inset(os, "Newpage ");
                        os << t.cs();
@@ -5708,12 +5767,19 @@ void parse_text(Parser & p, ostream & os, unsigned flags, bool outer,
                                                } else if (unit == "\\bigskipamount") {
                                                        unit = "bigskip";
                                                        known_vspace = true;
+                                               } else if (length == "\\baselineskip") {
+                                                       unit = "fullline";
+                                                       known_vspace = true;
                                                } else if (unit == "\\fill") {
                                                        unit = "vfill";
                                                        known_vspace = true;
                                                }
                                        }
                                }
+                               if (value == 0.5 && t.cs()[0] != 'h' && unit == "\\baselineskip") {
+                                       unit = "halfline";
+                                       known_vspace = true;
+                               }
                                if (!known_hspace && !known_vspace) {
                                        switch (unitFromString(unit)) {
                                        case Length::SP: