// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright 1995 Matthias Ettrich
- * Copyright 1995-2000 The LyX Team.
+/**
+ * \file textutils.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * ====================================================== */
+ * \author Matthias Ettrich
+ * \author Lars Gullik Bjønnes
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
+// FIXME: I can think of a better name for this file ...
#ifndef TEXTUTILS_H
#define TEXTUTILS_H
-#include <cctype>
-
-///
-inline
-bool IsNewlineChar(char c) {
- return (c == LyXParagraph::META_NEWLINE);
-}
-
-
-///
-inline
-bool IsSeparatorChar(char c) {
- return (c == ' ');
-}
-
-
-///
-inline
-bool IsHfillChar(char c) {
- return (c == LyXParagraph::META_HFILL);
-}
-
-
-///
-inline
-bool IsInsetChar(char c) {
- return (c == LyXParagraph::META_INSET);
-}
-
-
-#ifndef NEW_INSETS
-///
-inline
-bool IsFloatChar(char c) {
- return (c == LyXParagraph::META_FOOTNOTE
- || c == LyXParagraph::META_MARGIN
- || c == LyXParagraph::META_FIG
- || c == LyXParagraph::META_TAB
- || c == LyXParagraph::META_ALGORITHM
- || c == LyXParagraph::META_WIDE_FIG
- || c == LyXParagraph::META_WIDE_TAB);
-}
-#endif
-
-
-///
-inline
-bool IsLineSeparatorChar(char c) {
- return (c == ' ');
-}
-
-
-///
-inline
-bool IsKommaChar(char c) {
- return (c == ','
- || c == '('
- || c == ')'
- || c == '['
- || c == ']'
- || c == '{'
- || c == '}'
- || c == ';'
- || c == '.'
- || c == ':'
- || c == '-'
- || c == '?'
- || c == '!'
- || c == '&'
- || c == '@'
- || c == '+'
- || c == '-'
- || c == '~'
- || c == '#'
- || c == '%'
- || c == '^'
- || c == '/'
- || c == '\\'
- || c == LyXParagraph::META_NEWLINE
- );
-}
-
-
-///
-inline
-bool IsLetterChar(unsigned char c) {
- return ((c >= 'A' && c <= 'Z')
- || (c >= 'a' && c <= 'z')
- || (c >= 192)); // in iso-8859-x these are accented chars
-}
-
-
-///
-inline
-bool IsPrintable(unsigned char c) {
- return (c >= ' ');
-}
-
-
-///
-inline
-bool IsPrintableNonspace(unsigned char c) {
- return (c > ' ');
-}
-
-
-/// Word is not IsSeparator or IsKomma or IsHfill or IsFloat or IsInset.
-inline
-bool IsWordChar(unsigned char c) {
- return !( IsSeparatorChar( c )
- || IsKommaChar( c )
- || IsHfillChar( c )
-#ifndef NEW_INSETS
- || IsFloatChar( c )
-#endif
- || IsInsetChar( c ));
-}
-
-
-///
-inline
-bool IsLetterCharOrDigit(char ch)
-{
- return IsLetterChar(ch) || isdigit(ch);
-}
-#endif
+#include "support/strfwd.h"
+
+
+namespace lyx {
+
+/// return true if the char is a line separator
+inline bool isLineSeparatorChar(char_type c) { return c == ' '; }
+
+/// return true if a char is alphabetical (including accented chars)
+bool isLetterChar(char_type c);
+
+/// return true if a char is lowercase
+bool isLower(char_type c);
+
+/// return whether \p c is an alphabetic character in the ASCII range
+bool isAlphaASCII(char_type c);
+
+/// return true if the char is printable
+bool isPrintable(char_type c);
+
+/// return true if the char is printable and not a space
+bool isPrintableNonspace(char_type c);
+
+/// return true if a unicode char is a space.
+bool isSpace(char_type c);
+
+/// return true if a unicode char is a numeral.
+bool isNumber(char_type c);
+
+/// return whether \p c is a digit in the ASCII range
+bool isDigitASCII(char_type c);
+
+/// return whether \p c is alpha or a digit in the ASCII range
+bool isAlnumASCII(char_type c);
+
+/// return whether \p c is in the ASCII range
+bool isASCII(char_type c);
+
+} // namespace lyx
+
+#endif // TEXTUTILS_H
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