installer: further preparation

[lyx.git] / src / Layout.cpp

diff --git a/src/Layout.cpp b/src/Layout.cpp
index 5ac163a532fd1d9e51611645bba72787bd62b32f..46035513c7bd163a28d15c6505941f48c2001d12 100644 (file)
--- a/src/Layout.cpp
+++ b/src/Layout.cpp
@@ -104,6 +104,7 @@ enum LayoutTags {
        LT_REFPREFIX,
        LT_RESETARGS,
        LT_RIGHTDELIM,
+       LT_FORCELOCAL,
        LT_INTITLE // keep this last!
 };
 
@@ -145,11 +146,32 @@ Layout::Layout()
        htmlforcecss_ = false;
        htmltitle_ = false;
        spellcheck = true;
+       forcelocal = 0;
        itemcommand_ = "item";
 }
 
 
 bool Layout::read(Lexer & lex, TextClass const & tclass)
+{
+       // If this is an empty layout, or if no force local version is set,
+       // we know that we will not discard the stuff to read
+       if (forcelocal == 0)
+               return readIgnoreForcelocal(lex, tclass);
+       Layout tmp(*this);
+       tmp.forcelocal = 0;
+       bool const ret = tmp.readIgnoreForcelocal(lex, tclass);
+       // Keep the stuff if
+       // - the read version is higher
+       // - both versions are infinity (arbitrary decision)
+       // - the file did not contain any local version (needed for not
+       //   skipping user defined local layouts)
+       if (tmp.forcelocal <= 0 || tmp.forcelocal > forcelocal)
+               *this = tmp;
+       return ret;
+}
+
+
+bool Layout::readIgnoreForcelocal(Lexer & lex, TextClass const & tclass)
 {
        // This table is sorted alphabetically [asierra 30March96]
        LexerKeyword layoutTags[] = {
@@ -166,6 +188,7 @@ bool Layout::read(Lexer & lex, TextClass const & tclass)
                { "endlabelstring", LT_ENDLABELSTRING },
                { "endlabeltype",   LT_ENDLABELTYPE },
                { "font",           LT_FONT },
+               { "forcelocal",     LT_FORCELOCAL },
                { "freespacing",    LT_FREE_SPACING },
                { "htmlattr",       LT_HTMLATTR },
                { "htmlforcecss",   LT_HTMLFORCECSS },
@@ -582,6 +605,10 @@ bool Layout::read(Lexer & lex, TextClass const & tclass)
                case LT_SPELLCHECK:
                        lex >> spellcheck;
                        break;
+
+               case LT_FORCELOCAL:
+                       lex >> forcelocal;
+                       break;
                }
        }
        lex.popTable();
@@ -1093,17 +1120,17 @@ void Layout::write(ostream & os) const
        if (!preamble_.empty())
                os << "\tPreamble\n\t"
                   << to_utf8(subst(rtrim(preamble_, "\n"),
-                                         from_ascii("\n"), from_ascii("\n\t")))
+                                   from_ascii("\n"), from_ascii("\n\t")))
                   << "\n\tEndPreamble\n";
        if (!langpreamble_.empty())
                os << "\tLangPreamble\n\t"
                   << to_utf8(subst(rtrim(langpreamble_, "\n"),
-                                         from_ascii("\n"), from_ascii("\n\t")))
+                                   from_ascii("\n"), from_ascii("\n\t")))
                   << "\n\tEndLangPreamble\n";
        if (!babelpreamble_.empty())
                os << "\tBabelPreamble\n\t"
                   << to_utf8(subst(rtrim(babelpreamble_, "\n"),
-                                         from_ascii("\n"), from_ascii("\n\t")))
+                                   from_ascii("\n"), from_ascii("\n\t")))
                   << "\n\tEndBabelPreamble\n";
        switch (labeltype) {
        case LABEL_ABOVE:
@@ -1290,6 +1317,7 @@ void Layout::write(ostream & os) const
                   << "\n\tEndPreamble\n";
        os << "\tHTMLTitle " << htmltitle_ << "\n"
              "\tSpellcheck " << spellcheck << "\n"
+             "\tForceLocal " << forcelocal << "\n"
              "End\n";
 }