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  • Committer: damienlmoore at gmail
  • Date: 2016-02-02 02:43:22 UTC
  • Revision ID: damienlmoore@gmail.com-20160202024322-yql5qmtbwdyamdwd
Code::Blocks 16.01

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src/sdk/wxscintilla/src/scintilla/src/CharClassify.cxx
 
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// Scintilla source code edit control
 
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/** @file CharClassify.cxx
 
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 ** Character classifications used by Document and RESearch.
 
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 **/
 
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// Copyright 2006 by Neil Hodgson <neilh@scintilla.org>
 
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// The License.txt file describes the conditions under which this software may be distributed.
 
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#include <stdlib.h>
 
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#include <ctype.h>
 
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#include "CharClassify.h"
 
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#ifdef SCI_NAMESPACE
 
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using namespace Scintilla;
 
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#endif
 
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CharClassify::CharClassify() {
 
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        SetDefaultCharClasses(true);
 
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}
 
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void CharClassify::SetDefaultCharClasses(bool includeWordClass) {
 
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        // Initialize all char classes to default values
 
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        for (int ch = 0; ch < 256; ch++) {
 
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                if (ch == '\r' || ch == '\n')
 
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                        charClass[ch] = ccNewLine;
 
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                else if (ch < 0x20 || ch == ' ')
 
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                        charClass[ch] = ccSpace;
 
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                else if (includeWordClass && (ch >= 0x80 || isalnum(ch) || ch == '_'))
 
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                        charClass[ch] = ccWord;
 
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                else
 
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                        charClass[ch] = ccPunctuation;
 
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        }
 
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}
 
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void CharClassify::SetCharClasses(const unsigned char *chars, cc newCharClass) {
 
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        // Apply the newCharClass to the specifed chars
 
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        if (chars) {
 
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                while (*chars) {
 
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                        charClass[*chars] = static_cast<unsigned char>(newCharClass);
 
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                        chars++;
 
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                }
 
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        }
 
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}
 
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int CharClassify::GetCharsOfClass(cc characterClass, unsigned char *buffer) {
 
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        // Get characters belonging to the given char class; return the number
 
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        // of characters (if the buffer is NULL, don't write to it).
 
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        int count = 0;
 
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        for (int ch = maxChar - 1; ch >= 0; --ch) {
 
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                if (charClass[ch] == characterClass) {
 
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                        ++count;
 
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                        if (buffer) {
 
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                                *buffer = static_cast<unsigned char>(ch);
 
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                                buffer++;
 
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                        }
 
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                }
 
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        }
 
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        return count;
 
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}