X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FDocIterator.cpp;h=d14e0b32ab27090c96ce2a57f1955e9731f1837e;hb=4c11ba11fdfa84b4cb36b7ee20cfadb749baa19d;hp=38f2393224b1e37b1839537f12ea6b85008ec8d8;hpb=fc7fb6a5642bf8163276797c1602dd1395e2aef7;p=lyx.git

diff --git a/src/DocIterator.cpp b/src/DocIterator.cpp
index 38f2393224..d14e0b32ab 100644
--- a/src/DocIterator.cpp
+++ b/src/DocIterator.cpp
@@ -15,9 +15,12 @@
 #include "DocIterator.h"
 
 #include "Buffer.h"
+#include "BufferParams.h"
+#include "Encoding.h"
+#include "Font.h"
 #include "InsetList.h"
+#include "Language.h"
 #include "Paragraph.h"
-#include "LyXRC.h"
 #include "Text.h"
 
 #include "mathed/MathData.h"
@@ -156,6 +159,18 @@ Inset * DocIterator::realInset() const
 }
 
 
+InsetMath & DocIterator::nextMath()
+{
+	return *nextAtom().nucleus();
+}
+
+
+InsetMath & DocIterator::prevMath()
+{
+	return *prevAtom().nucleus();
+}
+
+
 MathAtom & DocIterator::prevAtom() const
 {
 	LASSERT(!empty(), /**/);
@@ -641,6 +656,26 @@ void DocIterator::sanitize()
 }
 
 
+bool DocIterator::isInside(Inset const * p) const
+{
+	for (CursorSlice const & sl : slices_)
+		if (&sl.inset() == p)
+			return true;
+	return false;
+}
+
+
+void DocIterator::leaveInset(Inset const & inset)
+{
+	for (size_t i = 0; i != slices_.size(); ++i) {
+		if (&slices_[i].inset() == &inset) {
+			resize(i);
+			return;
+		}
+	}
+}
+
+
 int DocIterator::find(MathData const & cell) const
 {
 	for (size_t l = 0; l != slices_.size(); ++l) {
@@ -688,6 +723,75 @@ void DocIterator::append(DocIterator::idx_type idx, pos_type pos)
 }
 
 
+docstring DocIterator::getPossibleLabel() const
+{
+	return inMathed() ? from_ascii("eq:") : text()->getPossibleLabel(*this);
+}
+
+
+Encoding const * DocIterator::getEncoding() const
+{
+	if (empty())
+		return 0;
+
+	BufferParams const & bp = buffer()->params();
+	if (bp.useNonTeXFonts)
+		return encodings.fromLyXName("utf8-plain");
+
+	// With platex, we don't switch encodings (not even if forced).
+	if (bp.encoding().package() == Encoding::japanese)
+		return &bp.encoding();
+
+	CursorSlice const & sl = innerTextSlice();
+	Text const & text = *sl.text();
+	Language const * lang =
+		text.getPar(sl.pit()).getFont(bp, sl.pos(),
+										  text.outerFont(sl.pit())).language();
+	// If we have a custom encoding for the buffer, we don't switch
+	// encodings (see output_latex::switchEncoding())
+	bool const customenc = bp.inputenc != "auto-legacy" && bp.inputenc != "auto-legacy-plain";
+	Encoding const * enc = customenc ? &bp.encoding() : lang->encoding();
+
+	// Some insets force specific encodings sometimes (e.g., listings in
+	// multibyte context forces singlebyte).
+	if (inset().forcedEncoding(enc, encodings.fromLyXName("iso8859-1"))) {
+		// Get the language outside the inset
+		size_t const n = depth();
+		for (size_t i = 0; i < n; ++i) {
+			Text const & otext = *slices_[i].text();
+			Language const * olang =
+					otext.getPar(slices_[i].pit()).getFont(bp, slices_[i].pos(),
+														   otext.outerFont(slices_[i].pit())).language();
+			Encoding const * oenc = olang->encoding();
+			if (oenc->name() != "inherit")
+				return inset().forcedEncoding(enc, oenc);
+		}
+		// Fall back to buffer encoding if no outer lang was found.
+		return inset().forcedEncoding(enc, &bp.encoding());
+	}
+
+	// Inherited encoding (latex_language) is determined by the context
+	// Look for the first outer encoding that is not itself "inherit"
+	if (lang->encoding()->name() == "inherit") {
+		size_t const n = depth();
+		for (size_t i = 0; i < n; ++i) {
+			Text const & otext = *slices_[i].text();
+			Language const * olang =
+					otext.getPar(slices_[i].pit()).getFont(bp, slices_[i].pos(),
+														   otext.outerFont(slices_[i].pit())).language();
+			// Again, if we have a custom encoding, this is used
+			// instead of the language's.
+			Encoding const * oenc = customenc
+									? &bp.encoding() : olang->encoding();
+			if (olang->encoding()->name() != "inherit")
+				return oenc;
+		}
+	}
+
+	return enc;
+}
+
+
 ostream & operator<<(ostream & os, DocIterator const & dit)
 {
 	for (size_t i = 0, n = dit.depth(); i != n; ++i)