src/support/textutils.h

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *          Copyright (C) 1995 Matthias Ettrich
   8  *
   9  *======================================================*/
  10 #ifndef _TEXTUTILS_H
  11 #define _TEXTUTILS_H
  12
  13 #include "definitions.h"
  14
  15 ///
  16 inline bool IsNewlineChar(char c) {
  17         return (c == LYX_META_NEWLINE);
  18 }
  19 ///
  20 inline bool IsSeparatorChar(char c) {
  21         return (c == ' ' || c == LYX_META_PROTECTED_SEPARATOR);
  22 }
  23 ///
  24 inline bool IsHfillChar(char c) {
  25         return (c == LYX_META_HFILL);
  26 }
  27 ///
  28 inline bool IsInsetChar(char c) {
  29         return (c == LYX_META_INSET);
  30 }
  31 ///
  32 inline bool IsFloatChar(char c) {
  33         return (c == LYX_META_FOOTNOTE
  34                 || c == LYX_META_MARGIN
  35                 || c == LYX_META_FIG
  36                 || c == LYX_META_TAB
  37                 || c == LYX_META_ALGORITHM
  38                 || c == LYX_META_WIDE_FIG
  39                 || c == LYX_META_WIDE_TAB);
  40 }
  41 ///
  42 inline bool IsLineSeparatorChar(char c) {
  43         return (c == ' ');
  44 }
  45 ///
  46 inline bool IsKommaChar(char c) {
  47         return (c == ','
  48                 || c=='('
  49                 || c==')'
  50                 || c=='['
  51                 || c==']'
  52                 || c=='{'
  53                 || c=='}'
  54                 || c==';'
  55                 || c=='.'
  56                 || c==':'
  57                 || c=='-'
  58                 || c=='?'
  59                 || c=='!'
  60                 || c=='&'
  61                 || c=='@'
  62                 || c=='+'
  63                 || c=='-'
  64                 || c=='~'
  65                 || c=='#'
  66                 || c=='%'
  67                 || c=='^'
  68                 || c=='/'
  69                 || c=='\\'
  70                 || c==LYX_META_NEWLINE
  71                 || c==LYX_META_PROTECTED_SEPARATOR
  72                 );
  73 }
  74 ///
  75 inline bool IsLetterChar(unsigned char c) {
  76         return ((c>='A' && c<='Z')
  77                 || (c>='a' && c<='z')
  78                 || (c>=192)); // in iso-8859-x these are accented chars
  79 }
  80 ///
  81 inline bool IsPrintable(unsigned char c) {
  82         return (c>=' ');
  83 }
  84 /// Word is not IsSeparator or IsKomma or IsHfill or IsFloat or IsInset.
  85 inline bool IsWordChar(unsigned char c) {
  86   return !( IsSeparatorChar( c )
  87             ||  IsKommaChar( c )
  88             ||  IsHfillChar( c )
  89             ||  IsFloatChar( c )
  90             ||  IsInsetChar( c ) ) ;
  91 }
  92 #endif