tokenizer.h

来自「Pegasus is an open-source implementation」· C头文件 代码 · 共 100 行

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// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation, The Open Group.
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; Symantec Corporation; The Open Group.
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//==============================================================================
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// Author: Venkateswara Rao Puvvada, IBM, [e-mail]
//
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/*!
   \file tokenizer.h
   \brief Defines gettoken function.

*/

#ifndef _REMOTE_CMPI_TOKENIZER_H
#define _REMOTE_CMPI_TOKENIZER_H

#include <ctype.h>

#define EOL   0
#define EQUAL 100
#define LB    101
#define RB    102
#define COMMA 103
#define ALNUM 104

#define BUFFLEN  4096
#define TOKENLEN 1024


int gettoken(char **buff,char *token)
{
    int tokentype;

    while (**buff && isspace(**buff))
    {
        ++*buff;
    }

    if (!**buff)
    {
        return *token = EOL;
    }

    *token = *(*buff)++;
    switch (*token++)
    {
        case '=':
            tokentype = EQUAL;
            break;
        case '{':
            tokentype = LB;
            break;
        case '}':
            tokentype = RB;
            break;
        case ',':
            tokentype = COMMA;
            break;
        default:
            while (**buff && !isspace(**buff) && (isalnum(**buff)|| **buff=='_'))
            {
                *token++ = *(*buff)++;
            }
            tokentype = ALNUM;
    }
    *token ='\0';

    return tokentype;
}

#endif