path: root/libical/src/libicalss/icalsslexer.l

%{
/* -*- Mode: C -*-
  ======================================================================
  FILE: icalsslexer.l
  CREATOR: eric 8 Aug 2000
  
  DESCRIPTION:
  
  $Id: icalsslexer.l,v 1.5 2003/10/21 18:28:18 ettore Exp $
  $Locker:  $

(C) COPYRIGHT 2000, Eric Busboom, http://www.softwarestudio.org

 This program is free software; you can redistribute it and/or modify
 it under the terms of either: 

    The LGPL as published by the Free Software Foundation, version
    2.1, available at: http://www.fsf.org/copyleft/lesser.html

  Or:

    The Mozilla Public License Version 1.0. You may obtain a copy of
    the License at http://www.mozilla.org/MPL/

 The Original Code is eric. The Initial Developer of the Original
 Code is Eric Busboom

  ======================================================================*/

#include "icalssyacc.h"
#include "icalgaugeimpl.h"
#include "assert.h"

#include <string.h> /* For strdup() */

const char* input_buffer;
const char* input_buffer_p;

#define min(a,b) ((a) < (b) ? (a) : (b))   

int icalss_input(char* buf, int max_size)
{
    int n = min(max_size,strlen(input_buffer_p));

    if (n > 0){
    memcpy(buf, input_buffer_p, n);
    input_buffer_p += n;
    return n;
    } else {
    return 0;
    }
}

#undef YY_INPUT
#define YY_INPUT(b,r,ms) ( r= icalss_input(b,ms))

#undef SS_FATAL_ERROR
#define SS_FATAL_ERROR(msg) sserror(msg)

%}

crlf        \x0D?\x0A
space       [ ]
qsafechar   [^\x00-\x1F\"]
safechar    [^\x00-\x1F\"\:\;\,]
tsafechar   [\x20-\x21\x23-\x2B\x2D-\x39\x3C-\x5B\x5D-\x7E]
valuechar   [^\x00-\x08\x10-\x1F]
xname       X-[a-zA-Z0-9\-]+
xname2          [a-zA-Z0-9\-\ ]
paramtext   {safechar}+
value       {valuechar}+
quotedstring    \"{qsafechar}+\"
digit       [0-9]

%array /* Make yytext an array. Slow, but handy. HACK */

%option caseless

%s sql string_value



%%

%{
%}


SELECT          { return SELECT; }
FROM            { return FROM; }
WHERE           { return WHERE; }
,           { return COMMA; }
"="             { return EQUALS; }
"=="            { return EQUALS; }
"!="            { return NOTEQUALS; }
"<"             { return LESS; }
">"             { return GREATER; }
"<="            { return LESSEQUALS; }
">="            { return GREATEREQUALS; }
AND             { return AND; }
OR          { return OR; }
IS          { return IS; }
NOT         { return NOT; }
NULL            { return SQLNULL; }
\'                      { return QUOTE; }
[ \t\n\r]+ ;            
;           { return EOL; }

\'[\@\*A-Za-z0-9\-\.\:\ ]+\' {
    int c = input();
    unput(c);
    if(c!='\''){
        sslval.v_string= icalmemory_tmp_copy(yytext);
        return STRING;
    } else {
        /*ssmore();*/
    }
}

[\@\*A-Za-z0-9\-\.]+ {
        sslval.v_string= icalmemory_tmp_copy(yytext);
    return STRING; 
}


.           { return yytext[0]; }

%% 

int yywrap()
{
     return 1;
}