// -*- C++ -*-
-/* This file is part of
- * ======================================================
- *
- * LyX, The Document Processor
- *
- * Copyright (C) 1995 Matthias Ettrich
+/**
+ * \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 == ' ' || c == LyXParagraph::META_PROTECTED_SEPARATOR);
-}
-
+#include "support/types.h"
-///
-inline bool IsHfillChar(char c) {
- return (c == LyXParagraph::META_HFILL);
-}
+#ifdef LIBC_WCTYPE_USES_UCS4
+// We can use the libc ctype functions because we unset the LC_CTYPE
+// category of the current locale in gettext.C
+#include <wctype.h>
+#else
+// Steal some code from somewhere else, e.g. glib (look at gunicode.h)
+// The code that we currently use does not really work.
+#endif
-///
-inline bool IsInsetChar(char c) {
- return (c == LyXParagraph::META_INSET);
-}
+namespace lyx {
-
-///
-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);
+/// return true if the char is a line separator
+inline
+bool isLineSeparatorChar(char_type c)
+{
+ return c == ' ';
}
-///
-inline bool IsLineSeparatorChar(char c) {
- return (c == ' ');
+/// return true if a char is alphabetical (including accented chars)
+inline
+bool isLetterChar(char_type c)
+{
+#ifdef LIBC_WCTYPE_USES_UCS4
+ return iswalpha(c);
+#else
+ // FIXME UNICODE This is wrong!
+ return (c >= 'A' && c <= 'Z')
+ || (c >= 'a' && c <= 'z')
+ || (c >= 192 && c < 256); // in iso-8859-x these are accented chars
+#endif
}
-///
-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
- || c == LyXParagraph::META_PROTECTED_SEPARATOR
- );
+/// return true if the char is printable
+inline
+bool isPrintable(char_type c)
+{
+#ifdef LIBC_WCTYPE_USES_UCS4
+ return iswprint(c);
+#else
+ // FIXME UNICODE This is wrong!
+ return (c & 127) >= ' ';
+#endif
}
-///
-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
+/// return true if the char is printable and not a space
+inline
+bool isPrintableNonspace(char_type c)
+{
+#ifdef LIBC_WCTYPE_USES_UCS4
+ return iswprint(c) && !iswspace(c);
+#else
+ // FIXME UNICODE This is wrong!
+ return (c & 127) > ' ';
+#endif
}
-///
-inline bool IsPrintable(unsigned char c) {
- return (c >= ' ');
+/// return true if a unicode char is a digit.
+inline
+bool isDigit(char_type c)
+{
+#ifdef LIBC_WCTYPE_USES_UCS4
+ return iswdigit(c);
+#else
+ // FIXME UNICODE This is wrong!
+ return c >= '0' && c <= '9';
+#endif
}
-/// 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 )
- || IsFloatChar( c )
- || IsInsetChar( c ) ) ;
-}
+} // namespace lyx
-///
-inline bool IsLetterCharOrDigit(char ch)
-{
- return IsLetterChar(ch) || isdigit(ch);
-}
-#endif
+#endif // TEXTUTILS_H
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