// Scintilla source code edit control
/** @file CharClassify.cxx
 ** Character classifications used by Document and RESearch.
 **/
// Copyright 2006 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.

#include <stdlib.h>
#include <ctype.h>

#include "CharClassify.h"

#ifdef SCI_NAMESPACE
using namespace Scintilla;
#endif

// Shut up annoying Visual C++ warnings:
#ifdef _MSC_VER
#pragma warning(disable: 4514)
#endif

CharClassify::CharClassify() {
    SetDefaultCharClasses(true);
}

void CharClassify::SetDefaultCharClasses(bool includeWordClass) {
    // Initialize all char classes to default values
    for (int ch = 0; ch < 256; ch++) {
        if (ch == '\r' || ch == '\n')
            charClass[ch] = ccNewLine;
        else if (ch < 0x20 || ch == ' ')
            charClass[ch] = ccSpace;
        else if (includeWordClass && (ch >= 0x80 || isalnum(ch) || ch == '_'))
            charClass[ch] = ccWord;
        else
            charClass[ch] = ccPunctuation;
    }
}

void CharClassify::SetCharClasses(const unsigned char *chars, cc newCharClass) {
    // Apply the newCharClass to the specifed chars
    if (chars) {
        while (*chars) {
            charClass[*chars] = static_cast<unsigned char>(newCharClass);
            chars++;
        }
    }
}
