Add characters counting.

Introduce LFUN_STATISTICS.
see http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg134033.html .


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22433 a592a061-630c-0410-9148-cb99ea01b6c8

lib/ui/classic.ui

@@ -103,7 +103,7 @@ Menuset
 		#Item "Read Only" "buffer-toggle-read-only"
 		Item "Spellchecker...|S" "dialog-show spellchecker"
 		Item "Thesaurus..." "thesaurus-entry"
-		Item "Count Words|W" "words-count"
+		Item "Statistics...|i" "statistics"
 		Item "Check TeX|h" "buffer-chktex"
 		Submenu "Change Tracking|g" "edit_change"
 		Separator

lib/ui/stdmenus.inc

@@ -491,7 +491,7 @@ Menuset
 	Menu "tools"
 		Item "Spellchecker...|S" "dialog-show spellchecker"
 		OptItem "Thesaurus...|T" "thesaurus-entry"
-		Item "Count Words|W" "words-count"
+		Item "Statistics...|a" "statistics"
 		OptItem "Check TeX|h" "buffer-chktex"
 		Item "TeX Information|I" "dialog-show texinfo"
 		Separator

src/BufferView.cpp

@@ -787,7 +787,7 @@ FuncStatus BufferView::getStatus(FuncRequest const & cmd)
 	case LFUN_SCREEN_RECENTER:
 	case LFUN_BIBTEX_DATABASE_ADD:
 	case LFUN_BIBTEX_DATABASE_DEL:
-	case LFUN_WORDS_COUNT:
+	case LFUN_STATISTICS:
 	case LFUN_NEXT_INSET_TOGGLE:
 		flag.enabled(true);
 		break;
@@ -1134,7 +1134,7 @@ bool BufferView::dispatch(FuncRequest const & cmd)
 		break;
 	}
 
-	case LFUN_WORDS_COUNT: {
+	case LFUN_STATISTICS: {
 		DocIterator from, to;
 		if (cur.selection()) {
 			from = cur.selectionBegin();
@@ -1143,24 +1143,30 @@ bool BufferView::dispatch(FuncRequest const & cmd)
 			from = doc_iterator_begin(buffer_.inset());
 			to = doc_iterator_end(buffer_.inset());
 		}
-		int const count = countWords(from, to);
+		int const words = countWords(from, to);
+		int const chars = countChars(from, to, false);
+		int const chars_blanks = countChars(from, to, true);
 		docstring message;
-		if (count != 1) {
-			if (cur.selection())
-				message = bformat(_("%1$d words in selection."),
-					  count);
-				else
-					message = bformat(_("%1$d words in document."),
-							  count);
-		}
-		else {
-			if (cur.selection())
-				message = _("One word in selection.");
-			else
-				message = _("One word in document.");
-		}
+		if (cur.selection())
+			message = _("Statistics for the selection:\n");
+		else
+			message = _("Statistics for the document:\n");
+		if (words != 1)
+			message += bformat(_("\n%1$d words"), words);
+		else
+			message += _("\nOne word");
+		if (chars_blanks != 1)
+			message += bformat(_("\n%1$d characters (including blanks)"),
+					  chars_blanks);
+		else
+			message += _("\nOne character (including blanks)");
+		if (chars != 1)
+			message += bformat(_("\n%1$d characters (excluding blanks)"),
+					  chars);
+		else
+			message += _("\nOne character (excluding blanks)");
 
-		Alert::information(_("Count words"), message);
+		Alert::information(_("Statistics"), message);
 	}
 		break;
 

src/LyXAction.cpp

@@ -369,7 +369,7 @@ void LyXAction::init()
 		{ LFUN_INSET_REFRESH, "", Noop, Hidden },
 		{ LFUN_BUFFER_NEXT, "buffer-next", ReadOnly, Buffer },
 		{ LFUN_BUFFER_PREVIOUS, "buffer-previous", ReadOnly, Buffer },
-		{ LFUN_WORDS_COUNT, "words-count", ReadOnly, System },
+		{ LFUN_STATISTICS, "statistics", ReadOnly, System },
 		{ LFUN_FINISHED_FORWARD, "", ReadOnly, Hidden },
 		{ LFUN_FINISHED_BACKWARD, "", ReadOnly, Hidden },
 		{ LFUN_FINISHED_RIGHT, "", ReadOnly, Hidden },

src/buffer_funcs.cpp

@@ -49,6 +49,7 @@
 #include "support/filetools.h"
 #include "support/gettext.h"
 #include "support/lstrings.h"
+#include "support/textutils.h"
 
 using namespace std;
 using namespace lyx::support;
@@ -182,6 +183,33 @@ int countWords(DocIterator const & from, DocIterator const & to)
 }
 
 
+int countChars(DocIterator const & from, DocIterator const & to, bool with_blanks)
+{
+	int chars = 0;
+	int blanks = 0;
+	for (DocIterator dit = from ; dit != to ; dit.forwardPos()) {
+		if (dit.inTexted()
+		    && dit.pos() != dit.lastpos()
+		    && !dit.paragraph().isDeleted(dit.pos())) {
+			if (dit.paragraph().isInset(dit.pos())) {
+				if (dit.paragraph().getInset(dit.pos())->isLetter())
+					++chars;
+				else if (dit.paragraph().getInset(dit.pos())->isSpace() && with_blanks)
+					++blanks;
+			} else {
+				char_type const c = dit.paragraph().getChar(dit.pos());
+				if (isPrintableNonspace(c))
+					++chars;
+				else if (isSpace(c) && with_blanks)
+					++blanks;
+			}
+		}
+	}
+
+	return chars + blanks;
+}
+
+
 namespace {
 
 depth_type getDepth(DocIterator const & it)

src/buffer_funcs.h

@@ -44,6 +44,9 @@ Buffer * newUnnamedFile(std::string const & templatename,
 /// Count the number of words in the text between these two iterators
 int countWords(DocIterator const & from, DocIterator const & to);
 
+/// Count the number of chars in the text between these two iterators
+int countChars(DocIterator const & from, DocIterator const & to, bool with_blanks);
+
 /// updates all counters
 void updateLabels(Buffer const &, bool childonly = false);
 

src/lfuns.h

@@ -552,7 +552,16 @@ enum kb_action {
 	LFUN_INSET_REFRESH,
 	LFUN_BUFFER_NEXT,
 	LFUN_BUFFER_PREVIOUS,
-	LFUN_WORDS_COUNT,
+/**
+ * LFUN_STATISTICS
+ * \li Action: Count the statistics (number of words and characters)
+               in the document or in the given selection.
+ * \li Notion: Note that this function gives the number of words/chars written,
+               not the number of characters which will be typesetted.
+ * \li Syntax: words-count
+ * \li Origin: lasgouttes, Jan 27 2004; ps, Jan 8 2008
+ */
+	LFUN_STATISTICS,
 	// 260
 	LFUN_CHANGES_OUTPUT,             // jspitzm 20050121
 	LFUN_BIBTEX_DATABASE_ADD,