X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fbuffer_funcs.C;h=5c545cbcddc603302ed301696f09d3ab738122c7;hb=5e3b997b852fc96eef2387934b600262d3037745;hp=2069ed51c9a4161c109788dbf181405bf187eaa0;hpb=f3bff9d5d850904ddef6397f5bd31838c7f8b33d;p=lyx.git

diff --git a/src/buffer_funcs.C b/src/buffer_funcs.C
index 2069ed51c9..5c545cbcdd 100644
--- a/src/buffer_funcs.C
+++ b/src/buffer_funcs.C
@@ -13,37 +13,67 @@
 #include <config.h>
 
 #include "buffer_funcs.h"
-#include "bufferlist.h"
 #include "buffer.h"
+#include "bufferlist.h"
+#include "bufferparams.h"
+#include "dociterator.h"
+#include "counters.h"
+#include "errorlist.h"
+#include "Floating.h"
+#include "FloatList.h"
 #include "gettext.h"
+#include "language.h"
+#include "LaTeX.h"
+#include "lyxtextclass.h"
 #include "paragraph.h"
+#include "paragraph_funcs.h"
+#include "ParagraphList.h"
+#include "ParagraphParameters.h"
+#include "pariterator.h"
+#include "lyxvc.h"
+#include "texrow.h"
 #include "vc-backend.h"
-#include "LaTeX.h"
+#include "toc.h"
 
 #include "frontends/Alert.h"
 
+#include "insets/insetbibitem.h"
+
 #include "support/filetools.h"
-#include "support/FileInfo.h"
+#include "support/fs_extras.h"
 #include "support/lyxlib.h"
 
+#include <iostream>
 
-extern BufferList bufferlist;
+#include <boost/bind.hpp>
+#include <boost/filesystem/operations.hpp>
+
+using namespace std;
 
-using namespace lyx::support;
+using lyx::pit_type;
+using lyx::support::bformat;
+using lyx::support::libFileSearch;
+using lyx::support::makeDisplayPath;
+using lyx::support::onlyFilename;
+using lyx::support::onlyPath;
+using lyx::support::unlink;
 
+using std::min;
+using std::string;
+
+namespace fs = boost::filesystem;
+
+extern BufferList bufferlist;
 
 namespace {
 
-bool readFile(Buffer * b, string const & s)
+bool readFile(Buffer * const b, string const & s)
 {
-	string ts(s);
-	string e = OnlyPath(s);
-	string a = e;
-	// File information about normal file
-	FileInfo fileInfo(s);
+	BOOST_ASSERT(b);
 
-	if (!fileInfo.exist()) {
-		string const file = MakeDisplayPath(s, 50);
+	// File information about normal file
+	if (!fs::exists(s)) {
+		string const file = makeDisplayPath(s, 50);
 		string text = bformat(_("The specified document\n%1$s"
 					"\ncould not be read."), file);
 		Alert::error(_("Could not read document"), text);
@@ -51,58 +81,59 @@ bool readFile(Buffer * b, string const & s)
 	}
 
 	// Check if emergency save file exists and is newer.
-	e += OnlyFilename(s) + ".emergency";
-	FileInfo fileInfoE(e);
-
-	bool use_emergency = false;
-
-	if (fileInfoE.exist() && fileInfo.exist()) {
-		if (fileInfoE.getModificationTime()
-		    > fileInfo.getModificationTime()) {
-			string const file = MakeDisplayPath(s, 20);
-			string text = bformat(_("An emergency save of the document %1$s exists.\n"
-				"\nRecover emergency save?"), file);
-			int const ret = Alert::prompt(_("Load emergency save?"),
-				text, 0, 1, _("&Recover"), _("&Load Original"));
-
-			if (ret == 0) {
-				ts = e;
-				// the file is not saved if we load the
-				// emergency file.
-				b->markDirty();
-				use_emergency = true;
-			}
+	string const e = onlyPath(s) + onlyFilename(s) + ".emergency";
+
+	if (fs::exists(e) && fs::exists(s)
+	    && fs::last_write_time(e) > fs::last_write_time(s))
+	{
+		string const file = makeDisplayPath(s, 20);
+		string const text =
+			bformat(_("An emergency save of the document "
+				  "%1$s exists.\n\n"
+				  "Recover emergency save?"), file);
+		switch (Alert::prompt(_("Load emergency save?"), text, 0, 2,
+				      _("&Recover"),  _("&Load Original"),
+				      _("&Cancel")))
+		{
+		case 0:
+			// the file is not saved if we load the emergency file.
+			b->markDirty();
+			return b->readFile(e);
+		case 1:
+			break;
+		default:
+			return false;
 		}
 	}
 
-	if (!use_emergency) {
-		// Now check if autosave file is newer.
-		a += '#';
-		a += OnlyFilename(s);
-		a += '#';
-		FileInfo fileInfoA(a);
-		if (fileInfoA.exist() && fileInfo.exist()) {
-			if (fileInfoA.getModificationTime()
-			    > fileInfo.getModificationTime()) {
-				string const file = MakeDisplayPath(s, 20);
-				string text = bformat(_("The backup of the document %1$s is newer.\n\n"
-					"Load the backup instead?"), file);
-				int const ret = Alert::prompt(_("Load backup?"),
-					text, 0, 1, _("&Load backup"), _("Load &original"));
-
-				if (ret == 0) {
-					ts = a;
-					// the file is not saved if we load the
-					// autosave file.
-					b->markDirty();
-				} else {
-					// Here, we should delete the autosave
-					unlink(a);
-				}
-			}
+	// Now check if autosave file is newer.
+	string const a = onlyPath(s) + '#' + onlyFilename(s) + '#';
+
+	if (fs::exists(a) && fs::exists(s)
+	    && fs::last_write_time(a) > fs::last_write_time(s))
+	{
+		string const file = makeDisplayPath(s, 20);
+		string const text =
+			bformat(_("The backup of the document "
+				  "%1$s is newer.\n\nLoad the "
+				  "backup instead?"), file);
+		switch (Alert::prompt(_("Load backup?"), text, 0, 2,
+				      _("&Load backup"), _("Load &original"),
+				      _("&Cancel") ))
+		{
+		case 0:
+			// the file is not saved if we load the autosave file.
+			b->markDirty();
+			return b->readFile(a);
+		case 1:
+			// Here we delete the autosave
+			unlink(a);
+			break;
+		default:
+			return false;
 		}
 	}
-	return b->readFile(ts);
+	return b->readFile(s);
 }
 
 
@@ -112,22 +143,22 @@ bool readFile(Buffer * b, string const & s)
 
 bool loadLyXFile(Buffer * b, string const & s)
 {
-	switch (IsFileWriteable(s)) {
-	case 0:
-		b->setReadonly(true);
-		// Fall through
-	case 1:
+	BOOST_ASSERT(b);
+
+	if (fs::is_readable(s)) {
 		if (readFile(b, s)) {
-			b->lyxvc.file_found_hook(s);
+			b->lyxvc().file_found_hook(s);
+			if (!fs::is_writable(s))
+				b->setReadonly(true);
 			return true;
 		}
-		break;
-	case -1:
-		string const file = MakeDisplayPath(s, 20);
+	} else {
+		string const file = makeDisplayPath(s, 20);
 		// Here we probably should run
 		if (LyXVC::file_not_found_hook(s)) {
-			string text = bformat(_("Do you want to retrieve the document"
-				" %1$s from version control?"), file);
+			string const text =
+				bformat(_("Do you want to retrieve the document"
+					  " %1$s from version control?"), file);
 			int const ret = Alert::prompt(_("Retrieve from version control?"),
 				text, 0, 1, _("&Retrieve"), _("&Cancel"));
 
@@ -139,37 +170,32 @@ bool loadLyXFile(Buffer * b, string const & s)
 				return loadLyXFile(b, s);
 			}
 		}
-		break;
 	}
 	return false;
 }
 
 
 Buffer * newFile(string const & filename, string const & templatename,
-		 bool isNamed)
+		 bool const isNamed)
 {
 	// get a free buffer
 	Buffer * b = bufferlist.newBuffer(filename);
+	BOOST_ASSERT(b);
 
 	string tname;
 	// use defaults.lyx as a default template if it exists.
 	if (templatename.empty())
-		tname = LibFileSearch("templates", "defaults.lyx");
+		tname = libFileSearch("templates", "defaults.lyx");
 	else
 		tname = templatename;
 
 	if (!tname.empty()) {
 		if (!b->readFile(tname)) {
-			string const file = MakeDisplayPath(tname, 50);
+			string const file = makeDisplayPath(tname, 50);
 			string const text  = bformat(_("The specified document template\n%1$s\ncould not be read."), file);
 			Alert::error(_("Could not read template"), text);
 			// no template, start with empty buffer
-			b->paragraphs.push_back(Paragraph());
-			b->paragraphs.begin()->layout(b->params.getLyXTextClass().defaultLayout());
 		}
-	} else {  // start with empty buffer
-		b->paragraphs.push_back(Paragraph());
-		b->paragraphs.begin()->layout(b->params.getLyXTextClass().defaultLayout());
 	}
 
 	if (!isNamed) {
@@ -178,7 +204,8 @@ Buffer * newFile(string const & filename, string const & templatename,
 	}
 
 	b->setReadonly(false);
-	b->updateDocLang(b->params.language);
+	b->fully_loaded(true);
+	b->updateDocLang(b->params().language);
 
 	return b;
 }
@@ -190,30 +217,32 @@ void bufferErrors(Buffer const & buf, TeXErrors const & terr)
 	TeXErrors::Errors::const_iterator end = terr.end();
 
 	for (; cit != end; ++cit) {
-		int par_id = -1;
-		int posstart = -1;
-		int const errorrow = cit->error_in_line;
-		buf.texrow.getIdFromRow(errorrow, par_id, posstart);
-		int posend = -1;
-		buf.texrow.getIdFromRow(errorrow + 1, par_id, posend);
-		buf.error(ErrorItem(cit->error_desc,
-					 cit->error_text,
-					 par_id, posstart, posend));
+		int id_start = -1;
+		int pos_start = -1;
+		int errorrow = cit->error_in_line;
+		bool found = buf.texrow().getIdFromRow(errorrow, id_start,
+						       pos_start);
+		int id_end = -1;
+		int pos_end = -1;
+		do {
+			++errorrow;
+			found = buf.texrow().getIdFromRow(errorrow, id_end,
+							  pos_end);
+		} while (found && id_start == id_end && pos_start == pos_end);
+
+		buf.error(ErrorItem(cit->error_desc, cit->error_text,
+				    id_start, pos_start, pos_end));
 	}
 }
 
 
 void bufferErrors(Buffer const & buf, ErrorList const & el)
 {
-	ErrorList::const_iterator it = el.begin();
-	ErrorList::const_iterator end = el.end();
-
-	for (; it != end; ++it)
-		buf.error(*it);
+	for_each(el.begin(), el.end(), bind(ref(buf.error), _1));
 }
 
 
-string const BufferFormat(Buffer const & buffer)
+string const bufferFormat(Buffer const & buffer)
 {
 	if (buffer.isLinuxDoc())
 		return "linuxdoc";
@@ -224,3 +253,363 @@ string const BufferFormat(Buffer const & buffer)
 	else
 		return "latex";
 }
+
+
+int countWords(DocIterator const & from, DocIterator const & to)
+{
+	int count = 0;
+	bool inword = false;
+	for (DocIterator dit = from ; dit != to ; dit.forwardPos()) {
+		// Copied and adapted from isLetter() in ControlSpellChecker
+		if (dit.inTexted()
+		    && dit.pos() != dit.lastpos()
+		    && dit.paragraph().isLetter(dit.pos())
+		    && !isDeletedText(dit.paragraph(), dit.pos())) {
+			if (!inword) {
+				++count;
+				inword = true;
+			}
+		} else if (inword)
+			inword = false;
+	}
+
+	return count;
+}
+
+
+namespace {
+
+lyx::depth_type getDepth(DocIterator const & it)
+{
+	lyx::depth_type depth = 0;
+	for (size_t i = 0 ; i < it.depth() ; ++i)
+		if (!it[i].inset().inMathed())
+			depth += it[i].paragraph().getDepth() + 1;
+	// remove 1 since the outer inset does not count
+	return depth - 1;
+}
+
+lyx::depth_type getItemDepth(ParIterator const & it)
+{
+	Paragraph const & par = *it;
+	LYX_LABEL_TYPES const labeltype = par.layout()->labeltype;
+
+	if (labeltype != LABEL_ENUMERATE && labeltype != LABEL_ITEMIZE)
+		return 0;
+
+	// this will hold the lowest depth encountered up to now.
+	lyx::depth_type min_depth = getDepth(it);
+	ParIterator prev_it = it;
+	while (true) {
+		if (prev_it.pit())
+			--prev_it.top().pit();
+		else {
+			// start of nested inset: go to outer par
+			prev_it.pop_back();
+			if (prev_it.empty()) {
+				// start of document: nothing to do
+				return 0;
+			}
+		}
+
+		// We search for the first paragraph with same label
+		// that is not more deeply nested.
+		Paragraph & prev_par = *prev_it;
+		lyx::depth_type const prev_depth = getDepth(prev_it);
+		if (labeltype == prev_par.layout()->labeltype) {
+			if (prev_depth < min_depth) {
+				return prev_par.itemdepth + 1;
+			}
+			else if (prev_depth == min_depth) {
+				return prev_par.itemdepth;
+			}
+		}
+		min_depth = std::min(min_depth, prev_depth);
+		// small optimization: if we are at depth 0, we won't
+		// find anything else
+		if (prev_depth == 0) {
+			return 0;
+		}
+	}
+}
+
+
+bool needEnumCounterReset(ParIterator const & it)
+{
+	Paragraph const & par = *it;
+	BOOST_ASSERT(par.layout()->labeltype == LABEL_ENUMERATE);
+	lyx::depth_type const cur_depth = par.getDepth();
+	ParIterator prev_it = it;
+	while (prev_it.pit()) {
+		--prev_it.top().pit();
+		Paragraph const & prev_par = *prev_it;
+		if (prev_par.getDepth() <= cur_depth)
+			return  prev_par.layout()->labeltype != LABEL_ENUMERATE;
+	}
+	// start of nested inset: reset
+	return true;
+}
+
+
+// set the label of a paragraph. This includes the counters.
+void setLabel(Buffer const & buf, ParIterator & it)
+{
+	Paragraph & par = *it;
+	BufferParams const & bufparams = buf.params();
+	LyXTextClass const & textclass = bufparams.getLyXTextClass();
+	LyXLayout_ptr const & layout = par.layout();
+	Counters & counters = textclass.counters();
+
+	if (it.pit() == 0) {
+		par.params().appendix(par.params().startOfAppendix());
+	} else {
+		par.params().appendix(it.plist()[it.pit() - 1].params().appendix());
+		if (!par.params().appendix() &&
+		    par.params().startOfAppendix()) {
+			par.params().appendix(true);
+			textclass.counters().reset();
+		}
+	}
+
+	// Compute the item depth of the paragraph
+	par.itemdepth = getItemDepth(it);
+
+	// erase what was there before
+	par.params().labelString(string());
+
+	if (layout->margintype == MARGIN_MANUAL) {
+		if (par.params().labelWidthString().empty())
+			par.setLabelWidthString(layout->labelstring());
+	} else {
+		par.setLabelWidthString(string());
+	}
+
+	// is it a layout that has an automatic label?
+	if (layout->labeltype == LABEL_COUNTER) {
+		if (layout->toclevel <= buf.params().secnumdepth
+		    && (layout->latextype != LATEX_ENVIRONMENT
+			|| isFirstInSequence(it.pit(), it.plist()))) {
+			counters.step(layout->counter);
+			string label = expandLabel(buf, layout,
+						   par.params().appendix());
+			par.params().labelString(label);
+		}
+	} else if (layout->labeltype == LABEL_ITEMIZE) {
+		// At some point of time we should do something more
+		// clever here, like:
+		//   par.params().labelString(
+		//    bufparams.user_defined_bullet(par.itemdepth).getText());
+		// for now, use a simple hardcoded label
+		string itemlabel;
+		switch (par.itemdepth) {
+		case 0:
+			itemlabel = "*";
+			break;
+		case 1:
+			itemlabel = "-";
+			break;
+		case 2:
+			itemlabel = "@";
+			break;
+		case 3:
+			itemlabel = "·";
+			break;
+		}
+
+		par.params().labelString(itemlabel);
+	} else if (layout->labeltype == LABEL_ENUMERATE) {
+		// FIXME
+		// Yes I know this is a really, really! bad solution
+		// (Lgb)
+		string enumcounter = "enum";
+
+		switch (par.itemdepth) {
+		case 2:
+			enumcounter += 'i';
+		case 1:
+			enumcounter += 'i';
+		case 0:
+			enumcounter += 'i';
+			break;
+		case 3:
+			enumcounter += "iv";
+			break;
+		default:
+			// not a valid enumdepth...
+			break;
+		}
+
+		// Maybe we have to reset the enumeration counter.
+		if (needEnumCounterReset(it))
+			counters.reset(enumcounter);
+
+		counters.step(enumcounter);
+
+		string format;
+
+		switch (par.itemdepth) {
+		case 0:
+			format = N_("\\arabic{enumi}.");
+			break;
+		case 1:
+			format = N_("(\\alph{enumii})");
+			break;
+		case 2:
+			format = N_("\\roman{enumiii}.");
+			break;
+		case 3:
+			format = N_("\\Alph{enumiv}.");
+			break;
+		default:
+			// not a valid enumdepth...
+			break;
+		}
+
+		par.params().labelString(counters.counterLabel(buf.B_(format)));
+	} else if (layout->labeltype == LABEL_BIBLIO) {// ale970302
+		counters.step("bibitem");
+		int number = counters.value("bibitem");
+		if (par.bibitem())
+			par.bibitem()->setCounter(number);
+		par.params().labelString(buf.B_(layout->labelstring()));
+		// In biblio should't be following counters but...
+	} else if (layout->labeltype == LABEL_SENSITIVE) {
+		// Search for the first float or wrap inset in the iterator
+		string type;
+		size_t i = it.depth();
+		while (i > 0) {
+			--i;
+			InsetBase * const in = &it[i].inset();
+			if (in->lyxCode() == InsetBase::FLOAT_CODE
+			    || in->lyxCode() == InsetBase::WRAP_CODE) {
+				type = in->getInsetName();
+				break;
+			}
+		}
+
+		string s;
+		if (!type.empty()) {
+			Floating const & fl = textclass.floats().getType(type);
+
+			counters.step(fl.type());
+
+			// Doesn't work... yet.
+			s = bformat(_("%1$s #:"), buf.B_(fl.name()));
+		} else {
+			// par->SetLayout(0);
+			s = buf.B_(layout->labelstring());
+		}
+
+		par.params().labelString(s);
+	} else if (layout->labeltype == LABEL_NO_LABEL)
+		par.params().labelString(string());
+	else
+		par.params().labelString(buf.B_(layout->labelstring()));
+}
+
+} // anon namespace
+
+
+bool updateCurrentLabel(Buffer const & buf, 
+	ParIterator & it)	
+{
+    if (it == par_iterator_end(buf.inset()))
+        return false;
+
+//	if (it.lastpit == 0 && LyXText::isMainText())
+//		return false;
+
+	switch (it->layout()->labeltype) {
+		
+	case LABEL_NO_LABEL:
+	case LABEL_MANUAL:
+	case LABEL_BIBLIO:
+	case LABEL_TOP_ENVIRONMENT:
+	case LABEL_CENTERED_TOP_ENVIRONMENT:
+	case LABEL_STATIC:
+	case LABEL_ITEMIZE:
+		setLabel(buf, it);
+		return true;
+
+	case LABEL_SENSITIVE:
+	case LABEL_COUNTER:
+	// do more things with enumerate later
+	case LABEL_ENUMERATE:
+		return false;
+	}
+
+	// This is dead code which get rid of a warning:
+	return true;
+}
+
+
+void updateLabels(Buffer const & buf, 
+	ParIterator & from, ParIterator & to)
+{
+	for (ParIterator it = from; it != to; ++it) {
+		if (it.pit() > it.lastpit())
+			return;
+		if (!updateCurrentLabel (buf, it)) {
+			updateLabels(buf);
+			return;
+		}
+	}
+}
+
+
+void updateLabels(Buffer const & buf, 
+	ParIterator & iter)
+{
+	if (updateCurrentLabel(buf, iter))
+		return;
+
+	updateLabels(buf);
+}
+
+
+void updateLabels(Buffer const & buf)
+{
+	// start over the counters
+	buf.params().getLyXTextClass().counters().reset();
+	
+	ParIterator const end = par_iterator_end(buf.inset());
+
+	for (ParIterator it = par_iterator_begin(buf.inset()); it != end; ++it) {
+		// reduce depth if necessary
+		if (it.pit()) {
+			Paragraph const & prevpar = it.plist()[it.pit() - 1];
+			it->params().depth(min(it->params().depth(),
+					       prevpar.getMaxDepthAfter()));
+		} else
+			it->params().depth(0);
+
+		// set the counter for this paragraph
+		setLabel(buf, it);
+	}
+
+	lyx::toc::updateToc(buf);
+}
+
+
+string expandLabel(Buffer const & buf,
+	LyXLayout_ptr const & layout, bool appendix)
+{
+	LyXTextClass const & tclass = buf.params().getLyXTextClass();
+
+	string fmt = buf.B_(appendix ? layout->labelstring_appendix()
+			    : layout->labelstring());
+
+	// handle 'inherited level parts' in 'fmt',
+	// i.e. the stuff between '@' in   '@Section@.\arabic{subsection}'
+	size_t const i = fmt.find('@', 0);
+	if (i != string::npos) {
+		size_t const j = fmt.find('@', i + 1);
+		if (j != string::npos) {
+			string parent(fmt, i + 1, j - i - 1);
+			string label = expandLabel(buf, tclass[parent], appendix);
+			fmt = string(fmt, 0, i) + label + string(fmt, j + 1, string::npos);
+		}
+	}
+
+	return tclass.counters().counterLabel(fmt);
+}