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This patch implements proper ERT behaviour for normal layouts.

Browse Source 
In particular, it makes paragraph breaks generate single \n in latex output
when ParbreakIsNewline is true

This means that it is not necessary anymore to use newlines to break lines. 
Plain paragraph breaks can be used instead, like is done now in ERT/Listings. 
This is mainly aimed at sweave support.

lyx2lyx support courtesy of Richard Heck



git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36163 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Jean-Marc Lasgouttes 2010-11-06 15:06:19 +00:00
parent 04e6076ebb
commit b9b619641b
17 changed files with 205 additions and 45 deletions
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1
lib/layouts/chess.layout
View File

@ -42,6 +42,7 @@ Style Mainline
LabelString "Mainline:"
Newline 0
PassThru 1
ParbreakIsNewline 1
TopSep 0.0
ParSep 0.0
LabelFont

1
lib/layouts/db_lyxmacros.inc
View File

@ -13,6 +13,7 @@ Style Code
LatexType Environment
LatexName screen
PassThru 1
ParbreakIsNewline 1
End
Style LyX-Code

1
lib/layouts/db_stdlayouts.inc
View File

@ -12,6 +12,7 @@ Style Literal
LatexType Environment
LatexName literallayout
PassThru 1
ParbreakIsNewline 1
End

2
lib/layouts/elsart.layout
View File

@ -149,6 +149,7 @@ Style Author_Email
LatexType Command
InTitle 1
PassThru 1
ParbreakIsNewline 1
LatexName ead
Align Center
Labeltype Static
@ -169,6 +170,7 @@ Style Author_URL
LatexType Command
InTitle 1
PassThru 1
ParbreakIsNewline 1
LatexName ead
LatexParam "[url]"
Align Center

1
lib/layouts/lilypond.module
View File

@ -28,5 +28,6 @@ InsetLayout LilyPond
ForcePlain true
FreeSpacing true
PassThru true
ParbreakIsNewline true
ForceLTR true
End

2
lib/layouts/linguistics.module
View File

@ -75,6 +75,7 @@ InsetLayout Flex:Glosse
CustomPars false
ForcePlain true
PassThru true
ParbreakIsNewline true
FreeSpacing true
ForceLTR true
Requires covington
@ -103,6 +104,7 @@ InsetLayout Flex:Tri-Glosse
CustomPars false
ForcePlain true
PassThru true
ParbreakIsNewline true
FreeSpacing true
ForceLTR true
InToc true

6
lib/layouts/literate-scrap.inc
View File

@ -13,14 +13,10 @@ Style Scrap
Margin First_Dynamic
LatexType Paragraph
LatexName dummy
NewLine 0
LeftMargin MMM
ParSep 0.4
TopSep 0.4
BottomSep 0.4
ItemSep 0.4
Align Left
AlignPossible Block,Left
NewLine 0
FreeSpacing 1
PassThru 1
ParbreakIsNewline 1

14
lib/layouts/noweb.module
View File

@ -4,14 +4,6 @@
#DescriptionEnd
#Category: literate
# Suggested style to write your code:
# Within same scrap, lines are separated by newlines (Ctrl-Return), use:
# ItemSep 0.4
# . disavantage: must type ctrl-return every single line
# . advantage: looks better (IMHO)
# resembles more closely the produced paper doc (more WYSIWYG)
#
Format 30
OutputType literate
@ -20,14 +12,10 @@ Style Scrap
Margin First_Dynamic
LatexType Paragraph
LatexName dummy
NewLine 0
LeftMargin MMM
ParSep 0.4
TopSep 0.4
BottomSep 0.4
ItemSep 0.4
Align Left
AlignPossible Block,Left
NewLine 0
FreeSpacing 1
PassThru 1
ParbreakIsNewline 1

3
lib/layouts/revtex4.layout
View File

@ -171,6 +171,7 @@ End
Style AltAffiliation
CopyStyle Affiliation
PassThru 1
ParbreakIsNewline 1
LatexName altaffiliation
OptionalArgs 1
LabelString "AltAffiliation"
@ -196,6 +197,7 @@ End
Style Author_Email
CopyStyle Affiliation
PassThru 1
ParbreakIsNewline 1
LatexName email
OptionalArgs 1
LabelString "Electronic Address:"
@ -211,6 +213,7 @@ End
Style Author_URL
CopyStyle Author_Email
PassThru 1
ParbreakIsNewline 1
LatexName homepage
OptionalArgs 1
LabelString "URL:"

13
lib/layouts/sweave.module
View File

@ -22,10 +22,6 @@ Style Chunk
LatexType Paragraph
LatexName dummy
Margin static
ParSep 0.4
TopSep 0.4
BottomSep 0.4
ItemSep 0.4
Align Left
AlignPossible Block, Left, Right, Center
NewLine 0
@ -59,7 +55,8 @@ InsetLayout "Sweave Options"
Size Small
EndFont
MultiPar false
PassThru true
PassThru 1
ParbreakIsNewline 1
FreeSpacing true
ForceLTR true
End
@ -79,7 +76,8 @@ InsetLayout "S/R expression"
Size Small
EndFont
MultiPar false
PassThru true
PassThru 1
ParbreakIsNewline 1
FreeSpacing true
ForceLTR true
End
@ -99,7 +97,8 @@ InsetLayout "Sweave Input File"
Size Small
EndFont
MultiPar false
PassThru true
PassThru 1
ParbreakIsNewline 1
FreeSpacing true
ForceLTR true
End

2
lib/lyx2lyx/lyx2lyx_tools.py
View File

@ -65,7 +65,7 @@ from unicode_symbols import unicode_reps
# This will accept either a list of lines or a single line.
# It is bad practice to pass something with embedded newlines,
# It is bad practice to pass something with embedded newlines,
# though we will handle that.
def add_to_preamble(document, text):
" Add text to the preamble if it is not already there. "

142
lib/lyx2lyx/lyx_2_0.py
View File

@ -1952,6 +1952,142 @@ def convert_bibtex_clearpage(document):
j = k + len(subst)
def check_passthru(document):
tc = document.textclass
ok = (tc == "literate-article" or tc == "literate-book" or tc == "literate-report")
if not ok:
mods = document.get_module_list()
for mod in mods:
if mod == "sweave" or mod == "noweb":
ok = True
break
return ok
def convert_passthru(document):
" http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg161298.html "
if not check_passthru:
return
rx = re.compile("\\\\begin_layout \s*(\w+)")
beg = 0
for lay in ["Chunk", "Scrap"]:
while True:
beg = find_token(document.body, "\\begin_layout " + lay, beg)
if beg == -1:
break
end = find_end_of_layout(document.body, beg)
if end == -1:
document.warning("Can't find end of layout at line " + str(beg))
beg += 1
continue
# we are now going to replace newline insets within this layout
# by new instances of this layout. so we have repeated layouts
# instead of newlines.
ns = beg
while True:
ns = find_token(document.body, "\\begin_inset Newline newline", ns, end)
if ns == -1:
break
ne = find_end_of_inset(document.body, ns)
if ne == -1 or ne > end:
document.warning("Can't find end of inset at line " + str(nb))
ns += 1
continue
if document.body[ne + 1] == "":
ne += 1
subst = ["\\end_layout", "", "\\begin_layout " + lay]
document.body[ns:ne + 1] = subst
# now we need to adjust end, in particular, but might as well
# do ns properly, too
newlines = (ne - ns) - len(subst)
ns += newlines + 2
end += newlines + 1
# ok, we now want to find out if the next layout is the
# same as this one. if so, we will insert an extra copy of it
didit = False
next = find_token(document.body, "\\begin_layout", end)
if next != -1:
m = rx.match(document.body[next])
if m:
nextlay = m.group(1)
if nextlay == lay:
subst = ["\\begin_layout " + lay, "", "\\end_layout", ""]
document.body[next:next] = subst
didit = True
beg = end + 1
if didit:
beg += 4 # for the extra layout
def revert_passthru(document):
" http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg161298.html "
if not check_passthru:
return
rx = re.compile("\\\\begin_layout \s*(\w+)")
beg = 0
for lay in ["Chunk", "Scrap"]:
while True:
beg = find_token(document.body, "\\begin_layout " + lay, beg)
if beg == -1:
break
end = find_end_of_layout(document.body, beg)
if end == -1:
document.warning("Can't find end of layout at line " + str(beg))
beg += 1
continue
# we now want to find out if the next layout is the
# same as this one. but we will need to do this over and
# over again.
while True:
next = find_token(document.body, "\\begin_layout", end)
if next == -1:
break
m = rx.match(document.body[next])
if not m:
break
nextlay = m.group(1)
if nextlay != lay:
break
# so it is the same layout again. we now want to know if it is empty.
# but first let's check and make sure there is no content between the
# two layouts. i'm not sure if that can happen or not.
for l in range(end + 1, next):
document.warning("c'" + document.body[l] + "'")
if document.body[l] != "":
document.warning("Found content between adjacent " + lay + " layouts!")
break
nextend = find_end_of_layout(document.body, next)
if nextend == -1:
document.warning("Can't find end of layout at line " + str(next))
break
empty = True
for l in range(next + 1, nextend):
document.warning("e'" + document.body[l] + "'")
if document.body[l] != "":
empty = False
break
if empty:
# empty layouts just get removed
# should we check if it's before yet another such layout?
del document.body[next : nextend + 1]
# and we do not want to check again. we know the next layout
# should be another Chunk and should be left as is.
break
else:
# if it's not empty, then we want to insert a newline in place
# of the layout switch
subst = ["\\begin_inset Newline newline", "\\end_inset", ""]
document.body[end : next + 1] = subst
# and now we have to find the end of the new, larger layout
newend = find_end_of_layout(document.body, beg)
if newend == -1:
document.warning("Can't find end of new layout at line " + str(beg))
break
end = newend
beg = end + 1
##
# Conversion hub
#
@ -2016,10 +2152,12 @@ convert = [[346, []],
[402, [convert_bibtex_clearpage]],
[403, [convert_flexnames]],
[404, [convert_prettyref]],
[405, []]
[405, []],
[406, [convert_passthru]]
]
revert = [[404, []],
revert = [[405, [revert_passthru]],
[404, []],
[403, [revert_refstyle]],
[402, [revert_flexnames]],
[401, []],

2
src/Buffer.cpp
View File

@ -128,7 +128,7 @@ namespace {
// Do not remove the comment below, so we get merge conflict in
// independent branches. Instead add your own.
int const LYX_FORMAT = 405; // vfr: author hash
int const LYX_FORMAT = 406; // rgh: passthru changes
typedef map<string, bool> DepClean;
typedef map<docstring, pair<InsetLabel const *, Buffer::References> > RefCache;

14
src/Cursor.cpp
View File

@ -26,6 +26,7 @@
#include "FuncCode.h"
#include "FuncRequest.h"
#include "Language.h"
#include "Layout.h"
#include "LyXAction.h"
#include "LyXRC.h"
#include "Paragraph.h"
@ -2016,15 +2017,18 @@ void Cursor::errorMessage(docstring const & msg) const
}
static docstring parbreak(InsetCode code)
namespace {
docstring parbreak(Cursor const * cur)
{
odocstringstream os;
os << '\n';
// only add blank line if we're not in an ERT or Listings inset
if (code != ERT_CODE && code != LISTINGS_CODE)
// only add blank line if we're not in a ParbreakIsNewline situation
if (!cur->inset().getLayout().parbreakIsNewline()
&& !cur->paragraph().layout().parbreak_is_newline)
os << '\n';
return os.str();
}
}
docstring Cursor::selectionAsString(bool with_label) const
@ -2060,13 +2064,13 @@ docstring Cursor::selectionAsString(bool with_label) const
// First paragraph in selection
docstring result = pars[startpit].
asString(startpos, pars[startpit].size(), label)
+ parbreak(inset().lyxCode());
+ parbreak(this);
// The paragraphs in between (if any)
for (pit_type pit = startpit + 1; pit != endpit; ++pit) {
Paragraph const & par = pars[pit];
result += par.asString(0, par.size(), label)
+ parbreak(inset().lyxCode());
+ parbreak(this);
}
// Last paragraph in selection

7
src/CutAndPaste.cpp
View File

@ -124,10 +124,9 @@ pasteSelectionHelper(Cursor & cur, ParagraphList const & parlist,
// Now remove all out of the pars which is NOT allowed in the
// new environment and set also another font if that is required.
// Convert newline to paragraph break in ERT inset.
// This should not be here!
InsetCode const code = target_inset->lyxCode();
if (code == ERT_CODE || code == LISTINGS_CODE) {
// Convert newline to paragraph break in ParbreakIsNewline
if (target_inset->getLayout().parbreakIsNewline()
|| pars[pit].layout().parbreak_is_newline) {
for (size_t i = 0; i != insertion.size(); ++i) {
for (pos_type j = 0; j != insertion[i].size(); ++j) {
if (insertion[i].isNewline(j)) {

9
src/Text.cpp
View File

@ -599,7 +599,6 @@ static void breakParagraph(Text & text, pit_type par_offset, pos_type pos,
// end of a paragraph
tmp->setPlainOrDefaultLayout(bparams.documentClass());
// layout stays the same with latex-environments
if (keep_layout) {
tmp->setLayout(par.layout());
tmp->setLabelWidthString(par.params().labelWidthString());
@ -665,7 +664,6 @@ static void breakParagraph(Text & text, pit_type par_offset, pos_type pos,
par.setPlainOrDefaultLayout(bparams.documentClass());
}
// layout stays the same with latex-environments
if (keep_layout) {
par.setLayout(tmp->layout());
par.setLabelWidthString(tmp->params().labelWidthString());
@ -701,9 +699,10 @@ void Text::breakParagraph(Cursor & cur, bool inverse_logic)
cpar.eraseChar(cur.pos(), cur.buffer()->params().trackChanges);
// What should the layout for the new paragraph be?
bool keep_layout = inverse_logic ?
!layout.isEnvironment()
: layout.isEnvironment();
bool keep_layout = layout.isEnvironment()
|| (layout.isParagraph() && layout.parbreak_is_newline);
if (inverse_logic)
keep_layout = !keep_layout;
// We need to remember this before we break the paragraph, because
// that invalidates the layout variable

30
src/output_latex.cpp
View File

@ -374,14 +374,18 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
open_encoding_ = none;
}
if (runparams.pass_thru) {
if (text.inset().getLayout().isPassThru()) {
int const dist = distance(paragraphs.begin(), pit);
Font const outerfont = text.outerFont(dist);
// No newline if only one paragraph in this lyxtext
// No newline before first paragraph in this lyxtext
if (dist > 0) {
os << '\n';
texrow.newline();
if (!text.inset().getLayout().parbreakIsNewline()) {
os << '\n';
texrow.newline();
}
}
pit->latex(bparams, outerfont, os, texrow,
@ -389,6 +393,28 @@ ParagraphList::const_iterator TeXOnePar(Buffer const & buf,
return nextpit;
}
if (style.pass_thru) {
int const dist = distance(paragraphs.begin(), pit);
Font const outerfont = text.outerFont(dist);
pit->latex(bparams, outerfont, os, texrow,
runparams, start_pos, end_pos);
os << '\n';
texrow.newline();
if (!style.parbreak_is_newline) {
os << '\n';
texrow.newline();
} else if (nextpit != paragraphs.end()) {
Layout const nextstyle = text.inset().forcePlainLayout() ?
bparams.documentClass().plainLayout() : nextpit->layout();
if (nextstyle.name() != style.name()) {
os << '\n';
texrow.newline();
}
}
return nextpit;
}
// This paragraph's language
Language const * const par_language = pit->getParLanguage(bparams);
// The document's language