lyx_mirror/src/Layout.cpp
Richard Heck 519e73acc8 Make LYX_ALIGN_LAYOUT always be an available layout. This simplifies a couple
chunks of code and makes a lot of sense.



git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@19332 a592a061-630c-0410-9148-cb99ea01b6c8
2007-08-06 05:04:38 +00:00

839 lines
18 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 "TextClass.h"
#include "Lexer.h"
#include "debug.h"
#include "support/lstrings.h"
namespace lyx {
using support::subst;
using support::trim;
using std::endl;
using std::string;
/// 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_COMMANDDEPTH,
LT_COPYSTYLE,
LT_DEPENDSON,
LT_OBSOLETEDBY,
//LT_EMPTY,
LT_END,
//LT_ENVIRONMENT_DEFAULT,
//LT_FANCYHDR,
LT_FILL_BOTTOM,
LT_FILL_TOP,
//LT_FIRST_COUNTER,
LT_FONT,
LT_FREE_SPACING,
LT_PASS_THRU,
//LT_HEADINGS,
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_LATEXHEADER,
LT_LATEXFOOTER,
LT_LATEXPARAGRAPH,
LT_LEFTMARGIN,
LT_NEED_PROTECT,
LT_NEWLINE,
LT_NEXTNOINDENT,
LT_PARINDENT,
LT_PARSEP,
LT_PARSKIP,
//LT_PLAIN,
LT_PREAMBLE,
LT_RIGHTMARGIN,
LT_SPACING,
LT_TOPSEP,
LT_TOCLEVEL,
LT_INNERTAG,
LT_LABELTAG,
LT_ITEMTAG,
LT_INTITLE // keep this last!
};
/////////////////////
// Constructor for layout
Layout::Layout ()
{
margintype = MARGIN_STATIC;
latextype = LATEX_PARAGRAPH;
intitle = false;
optionalargs = 0;
needprotect = false;
keepempty = false;
font = Font(Font::ALL_INHERIT);
labelfont = Font(Font::ALL_INHERIT);
resfont = Font(Font::ALL_SANE);
reslabelfont = Font(Font::ALL_SANE);
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);
fill_top = false;
fill_bottom = false;
newline_allowed = true;
free_spacing = false;
pass_thru = false;
is_environment = false;
toclevel = NOT_IN_TOC;
commanddepth = 0;
}
// Reads a layout definition from file
bool Layout::read(Lexer & lexrc, TextClass const & tclass)
{
// This table is sorted alphabetically [asierra 30March96]
keyword_item layoutTags[] = {
{ "align", LT_ALIGN },
{ "alignpossible", LT_ALIGNPOSSIBLE },
{ "bottomsep", LT_BOTTOMSEP },
{ "commanddepth", LT_COMMANDDEPTH },
{ "copystyle", LT_COPYSTYLE },
{ "dependson", LT_DEPENDSON },
{ "end", LT_END },
{ "endlabelstring", LT_ENDLABELSTRING },
{ "endlabeltype", LT_ENDLABELTYPE },
{ "fill_bottom", LT_FILL_BOTTOM },
{ "fill_top", LT_FILL_TOP },
{ "font", LT_FONT },
{ "freespacing", LT_FREE_SPACING },
{ "innertag", LT_INNERTAG },
{ "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 },
{ "latexfooter", LT_LATEXFOOTER },
{ "latexheader", LT_LATEXHEADER },
{ "latexname", LT_LATEXNAME },
{ "latexparagraph", LT_LATEXPARAGRAPH },
{ "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 },
{ "parindent", LT_PARINDENT },
{ "parsep", LT_PARSEP },
{ "parskip", LT_PARSKIP },
{ "passthru", LT_PASS_THRU },
{ "preamble", LT_PREAMBLE },
{ "rightmargin", LT_RIGHTMARGIN },
{ "spacing", LT_SPACING },
{ "textfont", LT_TEXTFONT },
{ "toclevel", LT_TOCLEVEL },
{ "topsep", LT_TOPSEP }
};
bool error = false;
bool finished = false;
lexrc.pushTable(layoutTags, LT_INTITLE);
// parse style section
while (!finished && lexrc.isOK() && !error) {
int le = lexrc.lex();
// See comment in LyXRC.cpp.
switch (le) {
case Lexer::LEX_FEOF:
continue;
case Lexer::LEX_UNDEF: // parse error
lexrc.printError("Unknown layout tag `$$Token'");
error = true;
continue;
default: break;
}
switch (static_cast<LayoutTags>(le)) {
case LT_END: // end of structure
finished = true;
break;
case LT_COPYSTYLE: // initialize with a known style
if (lexrc.next()) {
docstring const style = subst(lexrc.getDocString(),
'_', ' ');
if (tclass.hasLayout(style)) {
docstring const tmpname = name_;
this->operator=(*tclass[style]);
name_ = tmpname;
} else {
lyxerr << "Cannot copy unknown style `"
<< to_utf8(style) << "'\n"
<< "All layouts so far:"
<< endl;
TextClass::const_iterator it =
tclass.begin();
TextClass::const_iterator end =
tclass.end();
for (; it != end; ++it) {
lyxerr << to_utf8((*it)->name())
<< endl;
}
//lexrc.printError("Cannot copy known "
// "style `$$Token'");
}
}
break;
case LT_OBSOLETEDBY: // replace with a known style
if (lexrc.next()) {
docstring const style =
subst(lexrc.getDocString(), '_', ' ');
if (tclass.hasLayout(style)) {
docstring const tmpname = name_;
this->operator=(*tclass[style]);
name_ = tmpname;
if (obsoleted_by().empty())
obsoleted_by_ = style;
} else {
lyxerr << "Cannot replace with unknown style `"
<< to_utf8(style) << '\'' << endl;
//lexrc.printError("Cannot replace with"
// " unknown style "
// "`$$Token'");
}
}
break;
case LT_DEPENDSON:
if (lexrc.next())
depends_on_ = subst(lexrc.getDocString(), '_', ' ');
break;
case LT_MARGIN: // margin style definition.
readMargin(lexrc);
break;
case LT_LATEXTYPE: // LaTeX style definition.
readLatexType(lexrc);
break;
case LT_LATEXHEADER: // header for environments
lexrc.next();
latexheader = lexrc.getString();
break;
case LT_LATEXFOOTER: // footer for environments
lexrc.next();
latexfooter = lexrc.getString();
break;
case LT_LATEXPARAGRAPH:
lexrc.next();
latexparagraph = lexrc.getString();
break;
case LT_INTITLE:
intitle = lexrc.next() && lexrc.getInteger();
break;
case LT_TOCLEVEL:
lexrc.next();
toclevel = lexrc.getInteger();
break;
case LT_OPTARGS:
if (lexrc.next())
optionalargs = lexrc.getInteger();
break;
case LT_NEED_PROTECT:
needprotect = lexrc.next() && lexrc.getInteger();
break;
case LT_KEEPEMPTY:
keepempty = lexrc.next() && lexrc.getInteger();
break;
case LT_FONT:
font.lyxRead(lexrc);
labelfont= font;
break;
case LT_TEXTFONT:
font.lyxRead(lexrc);
break;
case LT_LABELFONT:
labelfont.lyxRead(lexrc);
break;
case LT_NEXTNOINDENT: // Indent next paragraph?
if (lexrc.next() && lexrc.getInteger())
nextnoindent = true;
else
nextnoindent = false;
break;
case LT_COMMANDDEPTH:
lexrc.next();
commanddepth = lexrc.getInteger();
break;
case LT_LATEXNAME:
if (lexrc.next())
latexname_ = lexrc.getString();
break;
case LT_LATEXPARAM:
if (lexrc.next())
latexparam_ = subst(lexrc.getString(), "&quot;", "\"");
break;
case LT_INNERTAG:
if (lexrc.next())
innertag_ = lexrc.getString();
break;
case LT_LABELTAG:
if (lexrc.next())
labeltag_ = lexrc.getString();
break;
case LT_ITEMTAG:
if (lexrc.next())
itemtag_ = lexrc.getString();
break;
case LT_PREAMBLE:
preamble_ = from_utf8(lexrc.getLongString("EndPreamble"));
break;
case LT_LABELTYPE:
readLabelType(lexrc);
break;
case LT_ENDLABELTYPE:
readEndLabelType(lexrc);
break;
case LT_LEFTMARGIN: // left margin type
if (lexrc.next())
leftmargin = lexrc.getString();
break;
case LT_RIGHTMARGIN: // right margin type
if (lexrc.next())
rightmargin = lexrc.getString();
break;
case LT_LABELINDENT: // label indenting flag
if (lexrc.next())
labelindent = lexrc.getString();
break;
case LT_PARINDENT: // paragraph indent. flag
if (lexrc.next())
parindent = lexrc.getString();
break;
case LT_PARSKIP: // paragraph skip size
if (lexrc.next())
parskip = lexrc.getFloat();
break;
case LT_ITEMSEP: // item separation size
if (lexrc.next())
itemsep = lexrc.getFloat();
break;
case LT_TOPSEP: // top separation size
if (lexrc.next())
topsep = lexrc.getFloat();
break;
case LT_BOTTOMSEP: // bottom separation size
if (lexrc.next())
bottomsep = lexrc.getFloat();
break;
case LT_LABEL_BOTTOMSEP: // label bottom separation size
if (lexrc.next())
labelbottomsep = lexrc.getFloat();
break;
case LT_LABELSEP: // label separator
if (lexrc.next()) {
labelsep = subst(lexrc.getString(), 'x', ' ');
}
break;
case LT_PARSEP: // par. separation size
if (lexrc.next())
parsep = lexrc.getFloat();
break;
case LT_FILL_TOP: // fill top flag
if (lexrc.next())
fill_top = lexrc.getInteger();
break;
case LT_FILL_BOTTOM: // fill bottom flag
if (lexrc.next())
fill_bottom = lexrc.getInteger();
break;
case LT_NEWLINE: // newlines allowed?
if (lexrc.next())
newline_allowed = lexrc.getInteger();
break;
case LT_ALIGN: // paragraph align
readAlign(lexrc);
break;
case LT_ALIGNPOSSIBLE: // paragraph allowed align
readAlignPossible(lexrc);
break;
case LT_LABELSTRING: // label string definition
if (lexrc.next()) {
labelstring_ = trim(lexrc.getDocString());
labelstring_appendix_ = labelstring_;
}
break;
case LT_ENDLABELSTRING: // endlabel string definition
if (lexrc.next())
endlabelstring_ = trim(lexrc.getDocString());
break;
case LT_LABELSTRING_APPENDIX: // label string appendix definition
if (lexrc.next())
labelstring_appendix_ = trim(lexrc.getDocString());
break;
case LT_LABELCOUNTER: // name of counter to use
if (lexrc.next())
counter = lyx::from_ascii(trim(lexrc.getString()));
break;
case LT_FREE_SPACING: // Allow for free spacing.
if (lexrc.next())
free_spacing = lexrc.getInteger();
break;
case LT_PASS_THRU: // Allow for pass thru.
if (lexrc.next())
pass_thru = lexrc.getInteger();
break;
case LT_SPACING: // setspace.sty
readSpacing(lexrc);
break;
}
}
lexrc.popTable();
return error;
}
enum AlignTags {
AT_BLOCK = 1,
AT_LEFT,
AT_RIGHT,
AT_CENTER,
AT_LAYOUT
};
void Layout::readAlign(Lexer & lexrc)
{
keyword_item alignTags[] = {
{ "block", AT_BLOCK },
{ "center", AT_CENTER },
{ "layout", AT_LAYOUT },
{ "left", AT_LEFT },
{ "right", AT_RIGHT }
};
PushPopHelper pph(lexrc, alignTags, AT_LAYOUT);
int le = lexrc.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lexrc.printError("Unknown alignment `$$Token'");
return;
default: break;
};
switch (static_cast<AlignTags>(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 & lexrc)
{
keyword_item alignTags[] = {
{ "block", AT_BLOCK },
{ "center", AT_CENTER },
{ "layout", AT_LAYOUT },
{ "left", AT_LEFT },
{ "right", AT_RIGHT }
};
lexrc.pushTable(alignTags, AT_LAYOUT);
alignpossible = LYX_ALIGN_NONE | LYX_ALIGN_LAYOUT;
int lineno = lexrc.getLineNo();
do {
int le = lexrc.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lexrc.printError("Unknown alignment `$$Token'");
continue;
default: break;
};
switch (static_cast<AlignTags>(le)) {
case AT_BLOCK:
alignpossible |= LYX_ALIGN_BLOCK;
break;
case AT_LEFT:
alignpossible |= LYX_ALIGN_LEFT;
break;
case AT_RIGHT:
alignpossible |= LYX_ALIGN_RIGHT;
break;
case AT_CENTER:
alignpossible |= LYX_ALIGN_CENTER;
break;
case AT_LAYOUT:
alignpossible |= LYX_ALIGN_LAYOUT;
break;
}
} while (lineno == lexrc.getLineNo());
lexrc.popTable();
}
enum LabelTypeTags {
LA_NO_LABEL = 1,
LA_MANUAL,
LA_TOP_ENVIRONMENT,
LA_CENTERED_TOP_ENVIRONMENT,
LA_STATIC,
LA_SENSITIVE,
LA_COUNTER,
LA_ENUMERATE,
LA_ITEMIZE,
LA_BIBLIO
};
void Layout::readLabelType(Lexer & lexrc)
{
keyword_item labelTypeTags[] = {
{ "bibliography", LA_BIBLIO },
{ "centered_top_environment", LA_CENTERED_TOP_ENVIRONMENT },
{ "counter", LA_COUNTER },
{ "enumerate", LA_ENUMERATE },
{ "itemize", LA_ITEMIZE },
{ "manual", LA_MANUAL },
{ "no_label", LA_NO_LABEL },
{ "sensitive", LA_SENSITIVE },
{ "static", LA_STATIC },
{ "top_environment", LA_TOP_ENVIRONMENT }
};
PushPopHelper pph(lexrc, labelTypeTags, LA_BIBLIO);
int le = lexrc.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lexrc.printError("Unknown labeltype tag `$$Token'");
return;
default: break;
}
switch (static_cast<LabelTypeTags>(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;
}
}
namespace {
keyword_item endlabelTypeTags[] = {
{ "box", END_LABEL_BOX },
{ "filled_box", END_LABEL_FILLED_BOX },
{ "no_label", END_LABEL_NO_LABEL },
{ "static", END_LABEL_STATIC }
};
} // namespace anon
void Layout::readEndLabelType(Lexer & lexrc)
{
PushPopHelper pph(lexrc, endlabelTypeTags,
END_LABEL_ENUM_LAST-END_LABEL_ENUM_FIRST+1);
int le = lexrc.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lexrc.printError("Unknown labeltype tag `$$Token'");
break;
case END_LABEL_STATIC:
case END_LABEL_BOX:
case END_LABEL_FILLED_BOX:
case END_LABEL_NO_LABEL:
endlabeltype = static_cast<LYX_END_LABEL_TYPES>(le);
break;
default:
lyxerr << "Unhandled value " << le
<< " in Layout::readEndLabelType." << endl;
break;
}
}
void Layout::readMargin(Lexer & lexrc)
{
keyword_item marginTags[] = {
{ "dynamic", MARGIN_DYNAMIC },
{ "first_dynamic", MARGIN_FIRST_DYNAMIC },
{ "manual", MARGIN_MANUAL },
{ "right_address_box", MARGIN_RIGHT_ADDRESS_BOX },
{ "static", MARGIN_STATIC }
};
PushPopHelper pph(lexrc, marginTags, MARGIN_RIGHT_ADDRESS_BOX);
int le = lexrc.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lexrc.printError("Unknown margin type tag `$$Token'");
return;
case MARGIN_STATIC:
case MARGIN_MANUAL:
case MARGIN_DYNAMIC:
case MARGIN_FIRST_DYNAMIC:
case MARGIN_RIGHT_ADDRESS_BOX:
margintype = static_cast<LYX_MARGIN_TYPE>(le);
break;
default:
lyxerr << "Unhandled value " << le
<< " in Layout::readMargin." << endl;
break;
}
}
void Layout::readLatexType(Lexer & lexrc)
{
keyword_item 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(lexrc, latexTypeTags, LATEX_LIST_ENVIRONMENT);
int le = lexrc.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lexrc.printError("Unknown latextype tag `$$Token'");
return;
case LATEX_PARAGRAPH:
case LATEX_COMMAND:
case LATEX_ENVIRONMENT:
case LATEX_ITEM_ENVIRONMENT:
case LATEX_BIB_ENVIRONMENT:
case LATEX_LIST_ENVIRONMENT:
latextype = static_cast<LYX_LATEX_TYPES>(le);
break;
default:
lyxerr << "Unhandled value " << le
<< " in Layout::readLatexType." << endl;
break;
}
}
enum SpacingTags {
ST_SPACING_SINGLE = 1,
ST_SPACING_ONEHALF,
ST_SPACING_DOUBLE,
ST_OTHER
};
void Layout::readSpacing(Lexer & lexrc)
{
keyword_item spacingTags[] = {
{"double", ST_SPACING_DOUBLE },
{"onehalf", ST_SPACING_ONEHALF },
{"other", ST_OTHER },
{"single", ST_SPACING_SINGLE }
};
PushPopHelper pph(lexrc, spacingTags, ST_OTHER);
int le = lexrc.lex();
switch (le) {
case Lexer::LEX_UNDEF:
lexrc.printError("Unknown spacing token `$$Token'");
return;
default: break;
}
switch (static_cast<SpacingTags>(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:
lexrc.next();
spacing.set(Spacing::Other, lexrc.getString());
break;
}
}
docstring const & Layout::name() const
{
return name_;
}
void Layout::setName(docstring const & n)
{
name_ = n;
}
docstring const & Layout::obsoleted_by() const
{
return obsoleted_by_;
}
docstring const & Layout::depends_on() const
{
return depends_on_;
}
Layout * Layout::forCaption()
{
Layout * lay = new Layout();
lay->name_ = from_ascii("Caption");
lay->latexname_ = "caption";
lay->latextype = LATEX_COMMAND;
lay->optionalargs = 1;
return lay;
}
} // namespace lyx