lyx_mirror/src/Layout.cpp
Enrico Forestieri 76c376c427 Avoid \inputencoding altogether if the buffer encoding permits
(part of bug #7800).


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40612 a592a061-630c-0410-9148-cb99ea01b6c8
2012-01-14 01:21:00 +00:00

1111 lines
23 KiB
C++

/**
* \file Layout.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Lars Gullik Bjønnes
* \author Jean-Marc Lasgouttes
* \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "Layout.h"
#include "Encoding.h"
#include "FontInfo.h"
#include "Language.h"
#include "Lexer.h"
#include "output_xhtml.h"
#include "TextClass.h"
#include "support/debug.h"
#include "support/lassert.h"
#include "support/lstrings.h"
#include "support/Messages.h"
#include "support/regex.h"
#include "support/textutils.h"
using namespace std;
using namespace lyx::support;
namespace lyx {
/// Special value of toclevel for layouts that to not belong in a TOC
const int Layout::NOT_IN_TOC = -1000;
// The order of the LayoutTags enum is no more important. [asierra300396]
// Tags indexes.
enum LayoutTags {
LT_ALIGN = 1,
LT_ALIGNPOSSIBLE,
LT_MARGIN,
LT_BOTTOMSEP,
LT_CATEGORY,
LT_COMMANDDEPTH,
LT_COPYSTYLE,
LT_DEPENDSON,
LT_OBSOLETEDBY,
LT_END,
LT_FONT,
LT_FREE_SPACING,
LT_PASS_THRU,
LT_PARBREAK_IS_NEWLINE,
LT_ITEMSEP,
LT_KEEPEMPTY,
LT_LABEL_BOTTOMSEP,
LT_LABELFONT,
LT_TEXTFONT,
LT_LABELINDENT,
LT_LABELSEP,
LT_LABELSTRING,
LT_LABELSTRING_APPENDIX,
LT_LABELCOUNTER,
LT_LABELTYPE,
LT_ENDLABELSTRING,
LT_ENDLABELTYPE,
LT_LATEXNAME,
LT_LATEXPARAM,
LT_OPTARGS,
LT_LATEXTYPE,
LT_LEFTMARGIN,
LT_NEED_PROTECT,
LT_NEWLINE,
LT_NEXTNOINDENT,
LT_PARINDENT,
LT_PARSEP,
LT_PARSKIP,
LT_PREAMBLE,
LT_LANGPREAMBLE,
LT_BABELPREAMBLE,
LT_REQUIRES,
LT_RIGHTMARGIN,
LT_SPACING,
LT_TOPSEP,
LT_TOCLEVEL,
LT_INNERTAG,
LT_LABELTAG,
LT_ITEMTAG,
LT_HTMLTAG,
LT_HTMLATTR,
LT_HTMLITEM,
LT_HTMLITEMATTR,
LT_HTMLLABEL,
LT_HTMLLABELATTR,
LT_HTMLLABELFIRST,
LT_HTMLPREAMBLE,
LT_HTMLSTYLE,
LT_HTMLFORCECSS,
LT_INPREAMBLE,
LT_HTMLTITLE,
LT_SPELLCHECK,
LT_REFPREFIX,
LT_REQARGS,
LT_INTITLE // keep this last!
};
/////////////////////
Layout::Layout()
{
unknown_ = false;
margintype = MARGIN_STATIC;
latextype = LATEX_PARAGRAPH;
intitle = false;
inpreamble = false;
needprotect = false;
keepempty = false;
font = inherit_font;
labelfont = inherit_font;
resfont = sane_font;
reslabelfont = sane_font;
nextnoindent = false;
parskip = 0.0;
itemsep = 0;
topsep = 0.0;
bottomsep = 0.0;
labelbottomsep = 0.0;
parsep = 0;
align = LYX_ALIGN_BLOCK;
alignpossible = LYX_ALIGN_NONE | LYX_ALIGN_LAYOUT;
labeltype = LABEL_NO_LABEL;
endlabeltype = END_LABEL_NO_LABEL;
// Should or should not. That is the question.
// spacing.set(Spacing::OneHalf);
newline_allowed = true;
free_spacing = false;
pass_thru = false;
parbreak_is_newline = false;
toclevel = NOT_IN_TOC;
commanddepth = 0;
htmllabelfirst_ = false;
htmlforcecss_ = false;
htmltitle_ = false;
spellcheck = true;
optargs = 0;
reqargs = 0;
}
bool Layout::read(Lexer & lex, TextClass const & tclass)
{
// This table is sorted alphabetically [asierra 30March96]
LexerKeyword layoutTags[] = {
{ "align", LT_ALIGN },
{ "alignpossible", LT_ALIGNPOSSIBLE },
{ "babelpreamble", LT_BABELPREAMBLE },
{ "bottomsep", LT_BOTTOMSEP },
{ "category", LT_CATEGORY },
{ "commanddepth", LT_COMMANDDEPTH },
{ "copystyle", LT_COPYSTYLE },
{ "dependson", LT_DEPENDSON },
{ "end", LT_END },
{ "endlabelstring", LT_ENDLABELSTRING },
{ "endlabeltype", LT_ENDLABELTYPE },
{ "font", LT_FONT },
{ "freespacing", LT_FREE_SPACING },
{ "htmlattr", LT_HTMLATTR },
{ "htmlforcecss", LT_HTMLFORCECSS },
{ "htmlitem", LT_HTMLITEM },
{ "htmlitemattr", LT_HTMLITEMATTR },
{ "htmllabel", LT_HTMLLABEL },
{ "htmllabelattr", LT_HTMLLABELATTR },
{ "htmllabelfirst", LT_HTMLLABELFIRST },
{ "htmlpreamble", LT_HTMLPREAMBLE },
{ "htmlstyle", LT_HTMLSTYLE },
{ "htmltag", LT_HTMLTAG },
{ "htmltitle", LT_HTMLTITLE },
{ "innertag", LT_INNERTAG },
{ "inpreamble", LT_INPREAMBLE },
{ "intitle", LT_INTITLE },
{ "itemsep", LT_ITEMSEP },
{ "itemtag", LT_ITEMTAG },
{ "keepempty", LT_KEEPEMPTY },
{ "labelbottomsep", LT_LABEL_BOTTOMSEP },
{ "labelcounter", LT_LABELCOUNTER },
{ "labelfont", LT_LABELFONT },
{ "labelindent", LT_LABELINDENT },
{ "labelsep", LT_LABELSEP },
{ "labelstring", LT_LABELSTRING },
{ "labelstringappendix", LT_LABELSTRING_APPENDIX },
{ "labeltag", LT_LABELTAG },
{ "labeltype", LT_LABELTYPE },
{ "langpreamble", LT_LANGPREAMBLE },
{ "latexname", LT_LATEXNAME },
{ "latexparam", LT_LATEXPARAM },
{ "latextype", LT_LATEXTYPE },
{ "leftmargin", LT_LEFTMARGIN },
{ "margin", LT_MARGIN },
{ "needprotect", LT_NEED_PROTECT },
{ "newline", LT_NEWLINE },
{ "nextnoindent", LT_NEXTNOINDENT },
{ "obsoletedby", LT_OBSOLETEDBY },
{ "optionalargs", LT_OPTARGS },
{ "parbreakisnewline", LT_PARBREAK_IS_NEWLINE },
{ "parindent", LT_PARINDENT },
{ "parsep", LT_PARSEP },
{ "parskip", LT_PARSKIP },
{ "passthru", LT_PASS_THRU },
{ "preamble", LT_PREAMBLE },
{ "refprefix", LT_REFPREFIX },
{ "requiredargs", LT_REQARGS },
{ "requires", LT_REQUIRES },
{ "rightmargin", LT_RIGHTMARGIN },
{ "spacing", LT_SPACING },
{ "spellcheck", LT_SPELLCHECK },
{ "textfont", LT_TEXTFONT },
{ "toclevel", LT_TOCLEVEL },
{ "topsep", LT_TOPSEP }
};
bool error = false;
bool finished = false;
lex.pushTable(layoutTags);
// parse style section
while (!finished && lex.isOK() && !error) {
int le = lex.lex();
// See comment in LyXRC.cpp.
switch (le) {
case Lexer::LEX_FEOF:
continue;
case Lexer::LEX_UNDEF:
// parse error
lex.printError("Unknown layout tag `$$Token'");
error = true;
continue;
default:
break;
}
switch (static_cast<LayoutTags>(le)) {
case LT_END:
finished = true;
break;
case LT_CATEGORY:
lex >> category_;
break;
case LT_COPYSTYLE: {
docstring style;
lex >> style;
style = subst(style, '_', ' ');
if (tclass.hasLayout(style)) {
docstring const tmpname = name_;
this->operator=(tclass[style]);
name_ = tmpname;
} else {
LYXERR0("Cannot copy unknown style `"
<< style << "'\n"
<< "All layouts so far:");
DocumentClass::const_iterator lit = tclass.begin();
DocumentClass::const_iterator len = tclass.end();
for (; lit != len; ++lit)
LYXERR0(lit->name());
}
break;
}
case LT_OBSOLETEDBY: {
docstring style;
lex >> style;
style = subst(style, '_', ' ');
if (tclass.hasLayout(style)) {
docstring const tmpname = name_;
this->operator=(tclass[style]);
name_ = tmpname;
if (obsoleted_by().empty())
obsoleted_by_ = style;
} else {
LYXERR0("Cannot replace with unknown style `"
<< style << '\'');
//lex.printError("Cannot replace with"
// " unknown style "
// "`$$Token'");
}
break;
}
case LT_DEPENDSON:
lex >> depends_on_;
depends_on_ = subst(depends_on_, '_', ' ');
break;
case LT_MARGIN:
readMargin(lex);
break;
case LT_LATEXTYPE:
readLatexType(lex);
break;
case LT_INTITLE:
lex >> intitle;
break;
case LT_INPREAMBLE:
lex >> inpreamble;
break;
case LT_TOCLEVEL:
lex >> toclevel;
break;
case LT_OPTARGS:
lex >> optargs;
break;
case LT_REQARGS:
lex >> reqargs;
break;
case LT_NEED_PROTECT:
lex >> needprotect;
break;
case LT_KEEPEMPTY:
lex >> keepempty;
break;
case LT_FONT:
font = lyxRead(lex, font);
labelfont = font;
break;
case LT_TEXTFONT:
font = lyxRead(lex, font);
break;
case LT_LABELFONT:
labelfont = lyxRead(lex, labelfont);
break;
case LT_NEXTNOINDENT:
lex >> nextnoindent;
break;
case LT_COMMANDDEPTH:
lex >> commanddepth;
break;
case LT_LATEXNAME:
lex >> latexname_;
break;
case LT_LATEXPARAM:
lex >> latexparam_;
latexparam_ = subst(latexparam_, "&quot;", "\"");
break;
case LT_INNERTAG:
lex >> innertag_;
break;
case LT_LABELTAG:
lex >> labeltag_;
break;
case LT_ITEMTAG:
lex >> itemtag_;
break;
case LT_PREAMBLE:
preamble_ = from_utf8(lex.getLongString("EndPreamble"));
break;
case LT_LANGPREAMBLE:
langpreamble_ = from_utf8(lex.getLongString("EndLangPreamble"));
break;
case LT_BABELPREAMBLE:
babelpreamble_ = from_utf8(lex.getLongString("EndBabelPreamble"));
break;
case LT_LABELTYPE:
readLabelType(lex);
break;
case LT_ENDLABELTYPE:
readEndLabelType(lex);
break;
case LT_LEFTMARGIN:
lex >> leftmargin;
break;
case LT_RIGHTMARGIN:
lex >> rightmargin;
break;
case LT_LABELINDENT:
lex >> labelindent;
break;
case LT_PARINDENT:
lex >> parindent;
break;
case LT_PARSKIP:
lex >> parskip;
break;
case LT_ITEMSEP:
lex >> itemsep;
break;
case LT_TOPSEP:
lex >> topsep;
break;
case LT_BOTTOMSEP:
lex >> bottomsep;
break;
case LT_LABEL_BOTTOMSEP:
lex >> labelbottomsep;
break;
case LT_LABELSEP:
lex >> labelsep;
labelsep = subst(labelsep, 'x', ' ');
break;
case LT_PARSEP:
lex >> parsep;
break;
case LT_NEWLINE:
lex >> newline_allowed;
break;
case LT_ALIGN:
readAlign(lex);
break;
case LT_ALIGNPOSSIBLE:
readAlignPossible(lex);
break;
case LT_LABELSTRING:
// FIXME: this means LT_ENDLABELSTRING may only
// occur after LT_LABELSTRING
lex >> labelstring_;
labelstring_ = trim(labelstring_);
labelstring_appendix_ = labelstring_;
break;
case LT_ENDLABELSTRING:
lex >> endlabelstring_;
endlabelstring_ = trim(endlabelstring_);
break;
case LT_LABELSTRING_APPENDIX:
lex >> labelstring_appendix_;
labelstring_appendix_ = trim(labelstring_appendix_);
break;
case LT_LABELCOUNTER:
lex >> counter;
counter = trim(counter);
break;
case LT_FREE_SPACING:
lex >> free_spacing;
break;
case LT_PASS_THRU:
lex >> pass_thru;
break;
case LT_PARBREAK_IS_NEWLINE:
lex >> parbreak_is_newline;
break;
case LT_SPACING:
readSpacing(lex);
break;
case LT_REQUIRES: {
lex.eatLine();
vector<string> const req =
getVectorFromString(lex.getString());
requires_.insert(req.begin(), req.end());
break;
}
case LT_REFPREFIX: {
docstring arg;
lex >> arg;
if (arg == "OFF")
refprefix.clear();
else
refprefix = arg;
break;
}
case LT_HTMLTAG:
lex >> htmltag_;
break;
case LT_HTMLATTR:
lex >> htmlattr_;
break;
case LT_HTMLITEM:
lex >> htmlitemtag_;
break;
case LT_HTMLITEMATTR:
lex >> htmlitemattr_;
break;
case LT_HTMLLABEL:
lex >> htmllabeltag_;
break;
case LT_HTMLLABELATTR:
lex >> htmllabelattr_;
break;
case LT_HTMLLABELFIRST:
lex >> htmllabelfirst_;
break;
case LT_HTMLSTYLE:
htmlstyle_ = from_utf8(lex.getLongString("EndHTMLStyle"));
break;
case LT_HTMLFORCECSS:
lex >> htmlforcecss_;
break;
case LT_HTMLPREAMBLE:
htmlpreamble_ = from_utf8(lex.getLongString("EndPreamble"));
break;
case LT_HTMLTITLE:
lex >> htmltitle_;
break;
case LT_SPELLCHECK:
lex >> spellcheck;
break;
}
}
lex.popTable();
// make sure we only have inpreamble = true for commands
if (inpreamble && latextype != LATEX_COMMAND && latextype != LATEX_PARAGRAPH) {
LYXERR0("InPreamble not permitted except with command and paragraph layouts.");
LYXERR0("Layout name: " << name());
inpreamble = false;
}
return finished && !error;
}
enum {
AT_BLOCK = 1,
AT_LEFT,
AT_RIGHT,
AT_CENTER,
AT_LAYOUT
};
LexerKeyword alignTags[] = {
{ "block", AT_BLOCK },
{ "center", AT_CENTER },
{ "layout", AT_LAYOUT },
{ "left", AT_LEFT },
{ "right", AT_RIGHT }
};
void Layout::readAlign(Lexer & lex)
{
PushPopHelper pph(lex, alignTags);
int le = lex.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lex.printError("Unknown alignment `$$Token'");
return;
default: break;
};
switch (le) {
case AT_BLOCK:
align = LYX_ALIGN_BLOCK;
break;
case AT_LEFT:
align = LYX_ALIGN_LEFT;
break;
case AT_RIGHT:
align = LYX_ALIGN_RIGHT;
break;
case AT_CENTER:
align = LYX_ALIGN_CENTER;
break;
case AT_LAYOUT:
align = LYX_ALIGN_LAYOUT;
break;
}
}
void Layout::readAlignPossible(Lexer & lex)
{
lex.pushTable(alignTags);
alignpossible = LYX_ALIGN_NONE | LYX_ALIGN_LAYOUT;
int lineno = lex.lineNumber();
do {
int le = lex.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lex.printError("Unknown alignment `$$Token'");
continue;
default: break;
};
switch (le) {
case AT_BLOCK:
alignpossible |= LYX_ALIGN_BLOCK;
break;
case AT_LEFT:
alignpossible |= LYX_ALIGN_LEFT;
break;
case AT_RIGHT:
alignpossible |= LYX_ALIGN_RIGHT;
break;
case AT_CENTER:
alignpossible |= LYX_ALIGN_CENTER;
break;
case AT_LAYOUT:
alignpossible |= LYX_ALIGN_LAYOUT;
break;
}
} while (lineno == lex.lineNumber());
lex.popTable();
}
void Layout::readLabelType(Lexer & lex)
{
enum {
LA_NO_LABEL = 1,
LA_MANUAL,
LA_TOP_ENVIRONMENT,
LA_CENTERED_TOP_ENVIRONMENT,
LA_STATIC,
LA_SENSITIVE,
LA_COUNTER,
LA_ENUMERATE,
LA_ITEMIZE,
LA_BIBLIO
};
LexerKeyword labelTypeTags[] = {
{ "bibliography", LA_BIBLIO },
{ "centered_top_environment", LA_CENTERED_TOP_ENVIRONMENT },
{ "counter", LA_COUNTER },
{ "enumerate", LA_ENUMERATE },
{ "itemize", LA_ITEMIZE },
{ "manual", LA_MANUAL },
{ "no_label", LA_NO_LABEL },
{ "sensitive", LA_SENSITIVE },
{ "static", LA_STATIC },
{ "top_environment", LA_TOP_ENVIRONMENT }
};
PushPopHelper pph(lex, labelTypeTags);
int le = lex.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lex.printError("Unknown labeltype tag `$$Token'");
return;
default: break;
}
switch (le) {
case LA_NO_LABEL:
labeltype = LABEL_NO_LABEL;
break;
case LA_MANUAL:
labeltype = LABEL_MANUAL;
break;
case LA_TOP_ENVIRONMENT:
labeltype = LABEL_TOP_ENVIRONMENT;
break;
case LA_CENTERED_TOP_ENVIRONMENT:
labeltype = LABEL_CENTERED_TOP_ENVIRONMENT;
break;
case LA_STATIC:
labeltype = LABEL_STATIC;
break;
case LA_SENSITIVE:
labeltype = LABEL_SENSITIVE;
break;
case LA_COUNTER:
labeltype = LABEL_COUNTER;
break;
case LA_ENUMERATE:
labeltype = LABEL_ENUMERATE;
break;
case LA_ITEMIZE:
labeltype = LABEL_ITEMIZE;
break;
case LA_BIBLIO:
labeltype = LABEL_BIBLIO;
break;
}
}
void Layout::readEndLabelType(Lexer & lex)
{
static LexerKeyword endlabelTypeTags[] = {
{ "box", END_LABEL_BOX },
{ "filled_box", END_LABEL_FILLED_BOX },
{ "no_label", END_LABEL_NO_LABEL },
{ "static", END_LABEL_STATIC }
};
PushPopHelper pph(lex, endlabelTypeTags);
int le = lex.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lex.printError("Unknown labeltype tag `$$Token'");
break;
case END_LABEL_STATIC:
case END_LABEL_BOX:
case END_LABEL_FILLED_BOX:
case END_LABEL_NO_LABEL:
endlabeltype = static_cast<EndLabelType>(le);
break;
default:
LYXERR0("Unhandled value " << le);
break;
}
}
void Layout::readMargin(Lexer & lex)
{
LexerKeyword marginTags[] = {
{ "dynamic", MARGIN_DYNAMIC },
{ "first_dynamic", MARGIN_FIRST_DYNAMIC },
{ "manual", MARGIN_MANUAL },
{ "right_address_box", MARGIN_RIGHT_ADDRESS_BOX },
{ "static", MARGIN_STATIC }
};
PushPopHelper pph(lex, marginTags);
int le = lex.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lex.printError("Unknown margin type tag `$$Token'");
return;
case MARGIN_STATIC:
case MARGIN_MANUAL:
case MARGIN_DYNAMIC:
case MARGIN_FIRST_DYNAMIC:
case MARGIN_RIGHT_ADDRESS_BOX:
margintype = static_cast<MarginType>(le);
break;
default:
LYXERR0("Unhandled value " << le);
break;
}
}
void Layout::readLatexType(Lexer & lex)
{
LexerKeyword latexTypeTags[] = {
{ "bib_environment", LATEX_BIB_ENVIRONMENT },
{ "command", LATEX_COMMAND },
{ "environment", LATEX_ENVIRONMENT },
{ "item_environment", LATEX_ITEM_ENVIRONMENT },
{ "list_environment", LATEX_LIST_ENVIRONMENT },
{ "paragraph", LATEX_PARAGRAPH }
};
PushPopHelper pph(lex, latexTypeTags);
int le = lex.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lex.printError("Unknown latextype tag `$$Token'");
return;
case LATEX_PARAGRAPH:
case LATEX_COMMAND:
case LATEX_ENVIRONMENT:
case LATEX_ITEM_ENVIRONMENT:
case LATEX_BIB_ENVIRONMENT:
case LATEX_LIST_ENVIRONMENT:
latextype = static_cast<LatexType>(le);
break;
default:
LYXERR0("Unhandled value " << le);
break;
}
}
void Layout::readSpacing(Lexer & lex)
{
enum {
ST_SPACING_SINGLE = 1,
ST_SPACING_ONEHALF,
ST_SPACING_DOUBLE,
ST_OTHER
};
LexerKeyword spacingTags[] = {
{"double", ST_SPACING_DOUBLE },
{"onehalf", ST_SPACING_ONEHALF },
{"other", ST_OTHER },
{"single", ST_SPACING_SINGLE }
};
PushPopHelper pph(lex, spacingTags);
int le = lex.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lex.printError("Unknown spacing token `$$Token'");
return;
default: break;
}
switch (le) {
case ST_SPACING_SINGLE:
spacing.set(Spacing::Single);
break;
case ST_SPACING_ONEHALF:
spacing.set(Spacing::Onehalf);
break;
case ST_SPACING_DOUBLE:
spacing.set(Spacing::Double);
break;
case ST_OTHER:
lex.next();
spacing.set(Spacing::Other, lex.getString());
break;
}
}
namespace {
docstring const i18npreamble(Language const * lang, Encoding const & enc,
docstring const & templ, bool const polyglossia,
bool const unicode)
{
if (templ.empty())
return templ;
string preamble = polyglossia ?
subst(to_utf8(templ), "$$lang", lang->polyglossia()) :
subst(to_utf8(templ), "$$lang", lang->babel());
#ifdef TEX2LYX
// tex2lyx does not have getMessages()
LASSERT(false, /**/);
(void)enc;
(void)unicode;
#else
string const langenc = lang->encoding()->iconvName();
string const texenc = lang->encoding()->latexName();
string const bufenc = enc.iconvName();
// First and second character of plane 15 (Private Use Area)
string const s1 = "\xf3\xb0\x80\x80"; // U+F0000
string const s2 = "\xf3\xb0\x80\x81"; // U+F0001
// FIXME UNICODE
// lyx::regex is not unicode-safe.
// Should use QRegExp or (boost::u32regex, but that requires ICU)
static regex const reg("_\\(([^\\)]+)\\)");
smatch sub;
while (regex_search(preamble, sub, reg)) {
string const key = sub.str(1);
docstring const name = lang->translateLayout(key);
// Check whether name can be encoded in the buffer encoding
bool encodable = true;
if (!unicode) {
for (size_t i = 0; i < name.size(); ++i) {
if (enc.latexChar(name[i], true)[0] != name[i]) {
encodable = false;
break;
}
}
}
string const translated = encodable ? to_utf8(name)
: "\\inputencoding{" + texenc + "}"
+ s1 + langenc + s2 + to_utf8(name)
+ s1 + bufenc + s2;
preamble = subst(preamble, sub.str(), translated);
}
#endif
return from_utf8(preamble);
}
}
docstring const Layout::langpreamble(Language const * lang,
Encoding const & enc, bool const polyglossia,
bool const unicode) const
{
return i18npreamble(lang, enc, langpreamble_, polyglossia, unicode);
}
docstring const Layout::babelpreamble(Language const * lang,
Encoding const & enc, bool const polyglossia,
bool const unicode) const
{
return i18npreamble(lang, enc, babelpreamble_, polyglossia, unicode);
}
string const & Layout::htmltag() const
{
if (htmltag_.empty())
htmltag_ = "div";
return htmltag_;
}
string const & Layout::htmlattr() const
{
if (htmlattr_.empty())
htmlattr_ = "class=\"" + defaultCSSClass() + "\"";
return htmlattr_;
}
string const & Layout::htmlitemtag() const
{
if (htmlitemtag_.empty())
htmlitemtag_ = "div";
return htmlitemtag_;
}
string const & Layout::htmlitemattr() const
{
if (htmlitemattr_.empty())
htmlitemattr_ = "class=\"" + defaultCSSItemClass() + "\"";
return htmlitemattr_;
}
string const & Layout::htmllabeltag() const
{
if (htmllabeltag_.empty()) {
if (labeltype != LABEL_TOP_ENVIRONMENT &&
labeltype != LABEL_CENTERED_TOP_ENVIRONMENT)
htmllabeltag_ = "span";
else
htmllabeltag_ = "div";
}
return htmllabeltag_;
}
string const & Layout::htmllabelattr() const
{
if (htmllabelattr_.empty())
htmllabelattr_ = "class=\"" + defaultCSSLabelClass() + "\"";
return htmllabelattr_;
}
docstring Layout::htmlstyle() const {
if (!htmlstyle_.empty() && !htmlforcecss_)
return htmlstyle_;
if (htmldefaultstyle_.empty())
makeDefaultCSS();
docstring retval = htmldefaultstyle_;
if (!htmlstyle_.empty())
retval += '\n' + htmlstyle_;
return retval;
}
string Layout::defaultCSSClass() const
{
if (!defaultcssclass_.empty())
return defaultcssclass_;
docstring d;
docstring::const_iterator it = name().begin();
docstring::const_iterator en = name().end();
for (; it != en; ++it) {
char_type const c = *it;
if (!isAlphaASCII(c)) {
if (d.empty())
// make sure we don't start with an underscore,
// as that sometimes causes problems.
d = from_ascii("lyx_");
else
d += '_';
} else if (islower(c))
d += c;
else
// this is slow, so do it only if necessary
d += lowercase(c);
}
defaultcssclass_ = to_utf8(d);
return defaultcssclass_;
}
namespace {
string makeMarginValue(char const * side, double d) {
ostringstream os;
os << "margin-" << side << ": " << d << "ex;\n";
return os.str();
}
}
void Layout::makeDefaultCSS() const {
// this never needs to be redone, since reloading layouts will
// wipe out what we did before.
if (!htmldefaultstyle_.empty())
return;
// main font
htmldefaultstyle_ = font.asCSS();
// bottom margins
string tmp;
if (topsep > 0)
tmp += makeMarginValue("top", topsep);
if (bottomsep > 0)
tmp += makeMarginValue("bottom", bottomsep);
if (!leftmargin.empty()) {
// we can't really do what LyX does with the margin, so
// we'll just figure out how many characters it is
int const len = leftmargin.length();
tmp += makeMarginValue("left", len);
}
if (!rightmargin.empty()) {
int const len = rightmargin.length();
tmp += makeMarginValue("right", len);
}
if (!tmp.empty()) {
if (!htmldefaultstyle_.empty())
htmldefaultstyle_ += from_ascii("\n");
htmldefaultstyle_ += from_ascii(tmp);
}
// tex2lyx does not see output_xhtml.cpp
#ifndef TEX2LYX
// alignment
string where = alignmentToCSS(align);
if (!where.empty()) {
htmldefaultstyle_ += from_ascii("text-align: " + where + ";\n");
}
#endif
// wrap up what we have, if anything
if (!htmldefaultstyle_.empty())
htmldefaultstyle_ =
from_ascii(htmltag() + "." + defaultCSSClass() + " {\n") +
htmldefaultstyle_ + from_ascii("\n}\n");
if (labeltype == LABEL_NO_LABEL || htmllabeltag() == "NONE")
return;
docstring labelCSS;
// label font
if (labelfont != font)
labelCSS = labelfont.asCSS() + from_ascii("\n");
if (labeltype == LABEL_CENTERED_TOP_ENVIRONMENT)
labelCSS += from_ascii("text-align: center;\n");
if (!labelCSS.empty())
htmldefaultstyle_ +=
from_ascii(htmllabeltag() + "." + defaultCSSLabelClass() + " {\n") +
labelCSS + from_ascii("\n}\n");
}
bool Layout::operator==(Layout const & rhs) const
{
// This is enough for the applications we actually make,
// at least at the moment. But we could check more.
return name() == rhs.name()
&& latexname() == rhs.latexname()
&& latextype == rhs.latextype;
}
} // namespace lyx