scanner.cpp

电驴的源代码

      140,  140,  140,  140,  140
    } ;

static yyconst short int yy_chk[946] =
    {   0,
        0,    1,    1,    1,    1,   22,   42,   42,   22,    1,
       43,   43,    1,    1,  176,   45,   45,    1,    2,    2,
        2,    2,  175,  174,  173,  172,    2,   46,   46,    2,
        2,   45,  171,  170,    2,   24,   24,  169,   24,   24,
       24,  168,  167,   46,  166,   24,   24,   24,   26,   26,
      165,   26,   26,   26,  164,  163,  162,  161,   26,   26,
       26,   28,   28,  160,   28,   28,   28,  159,  158,  157,
      156,   28,   28,   28,   30,   30,  155,   30,   30,   30,
      154,  153,  152,  151,   30,   30,   30,   32,   32,  150,
       32,   32,   32,  149,  148,  147,  146,   32,   32,   32,

       34,   34,  145,   34,   34,   34,  137,  136,  135,  134,
       34,   34,   34,   36,   36,   40,   36,   36,   36,   35,
       33,   31,   29,   36,   36,   36,   37,   37,   37,   27,
       25,   23,   21,   20,   17,   15,   14,   12,   11,   10,
        9,    3,    0,    0,    0,    0,   37,   38,   38,    0,
       38,   38,   38,    0,    0,    0,    0,   38,   38,   38,
       39,   39,   39,    0,    0,    0,    0,    0,    0,    0,
        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
       39,   41,   41,    0,   41,   41,   41,    0,    0,    0,
        0,   41,   41,   41,   44,   44,    0,   44,   44,   44,

        0,    0,    0,    0,   44,   44,   44,   47,   47,    0,
       47,   47,   47,    0,    0,    0,    0,   47,   47,   47,
       48,   48,    0,   48,   48,   48,    0,    0,    0,    0,
       48,   48,   48,   50,   50,    0,   50,   50,   50,    0,
        0,    0,    0,   50,   50,   50,   51,   51,    0,   51,
       51,   51,    0,    0,    0,    0,   51,   51,   51,   53,
       53,    0,   53,   53,   53,    0,    0,    0,    0,   53,
       53,   53,   54,   54,    0,   54,   54,   54,    0,    0,
        0,    0,   54,   54,   54,   56,   56,    0,   56,   56,
       56,    0,    0,    0,    0,   56,   56,   56,   57,   57,

        0,   57,   57,   57,    0,    0,    0,    0,   57,   57,
       57,   59,   59,    0,   59,   59,   59,    0,    0,    0,
        0,   59,   59,   59,   60,   60,    0,   60,   60,   60,
        0,    0,    0,    0,   60,   60,   60,   62,   62,    0,
       62,   62,   62,    0,    0,    0,    0,   62,   62,   62,
       63,   63,    0,   63,   63,   63,    0,    0,    0,    0,
       63,   63,   63,   65,   65,    0,   65,   65,   65,    0,
        0,    0,    0,   65,   65,   65,   66,   66,    0,   66,
       66,   66,    0,    0,    0,    0,   66,   66,   66,   68,
       68,    0,   68,   68,   68,    0,    0,    0,    0,   68,

       68,   68,   69,   69,    0,   69,   69,   69,    0,    0,
        0,    0,   69,   69,   69,   71,   71,    0,   71,   71,
       71,    0,    0,    0,    0,   71,   71,   71,   72,   72,
        0,   72,   72,   72,    0,    0,    0,    0,   72,   72,
       72,   74,   74,    0,   74,   74,   74,    0,    0,    0,
        0,   74,   74,   74,   75,   75,    0,   75,   75,   75,
        0,    0,    0,    0,   75,   75,   75,   77,   77,    0,
       77,   77,   77,    0,    0,    0,    0,   77,   77,   77,
       78,   78,    0,   78,   78,   78,    0,    0,    0,    0,
       78,   78,   78,   80,   80,    0,   80,   80,   80,    0,

        0,    0,    0,   80,   80,   80,   81,   81,    0,   81,
       81,   81,    0,    0,    0,    0,   81,   81,   81,   83,
       83,    0,   83,   83,   83,    0,    0,    0,    0,   83,
       83,   83,   84,   84,    0,   84,   84,   84,    0,    0,
        0,    0,   84,   84,   84,   86,   86,    0,   86,   86,
       86,    0,    0,    0,    0,   86,   86,   86,   87,   87,
        0,   87,   87,   87,    0,    0,    0,    0,   87,   87,
       87,   89,   89,    0,   89,   89,   89,    0,    0,    0,
        0,   89,   89,   89,   90,   90,    0,   90,   90,   90,
        0,    0,    0,    0,   90,   90,   90,   92,   92,    0,

       92,   92,   92,    0,    0,    0,    0,   92,   92,   92,
       93,   93,    0,   93,   93,   93,    0,    0,    0,    0,
       93,   93,   93,   95,   95,    0,   95,   95,   95,    0,
        0,    0,    0,   95,   95,   95,   96,   96,    0,   96,
       96,   96,    0,    0,    0,    0,   96,   96,   96,   98,
       98,    0,   98,   98,   98,    0,    0,    0,    0,   98,
       98,   98,   99,   99,    0,   99,   99,   99,    0,    0,
        0,    0,   99,   99,   99,  101,  101,    0,  101,  101,
      101,    0,    0,    0,    0,  101,  101,  101,  102,  102,
        0,  102,  102,  102,    0,    0,    0,    0,  102,  102,

      102,  104,  104,    0,  104,  104,  104,    0,    0,    0,
        0,  104,  104,  104,  105,  105,    0,  105,  105,  105,
        0,    0,    0,    0,  105,  105,  105,  107,  107,    0,
      107,  107,  107,    0,    0,    0,    0,  107,  107,  107,
      108,  108,    0,  108,  108,  108,    0,    0,    0,    0,
      108,  108,  108,  110,  110,    0,  110,  110,  110,    0,
        0,    0,    0,  110,  110,  110,  111,  111,    0,  111,
      111,  111,    0,    0,    0,    0,  111,  111,  111,  114,
      114,    0,  114,  114,  114,    0,    0,    0,    0,  114,
      114,  114,  116,  116,    0,  116,  116,  116,    0,    0,

        0,    0,  116,  116,  116,  118,  118,    0,  118,  118,
      118,    0,    0,    0,    0,  118,  118,  118,  120,  120,
        0,  120,  120,  120,    0,    0,    0,    0,  120,  120,
      120,  122,  122,    0,  122,  122,  122,    0,    0,    0,
        0,  122,  122,  122,  124,  124,    0,  124,  124,  124,
        0,    0,    0,    0,  124,  124,  124,  126,  126,    0,
      126,  126,  126,    0,    0,    0,    0,  126,  126,  126,
      128,  128,    0,  128,  128,  128,    0,    0,    0,    0,
      128,  128,  128,  130,  130,    0,  130,  130,  130,    0,
        0,    0,    0,  130,  130,  130,  132,  132,    0,  132,

      132,  132,    0,    0,    0,    0,  132,  132,  132,  141,
      141,  141,  142,    0,  142,  143,  143,  143,  144,  144,
      144,  140,  140,  140,  140,  140,  140,  140,  140,  140,
      140,  140,  140,  140,  140,  140,  140,  140,  140,  140,
      140,  140,  140,  140,  140
    } ;

static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;

/* The intent behind this definition is that it'll catch
 * any uses of REJECT which flex missed.
 */
#define REJECT reject_used_but_not_detected
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
char *yytext;
#define INITIAL 0
#include "stdafx.h"
#include "resource.h"
#include <io.h>
#include "SearchExpr.h"
#include "scanner.h"
#include "parser.hpp"
#include "OtherFunctions.h"
#include "ED2KLink.h"
#include "StringConversion.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif //_DEBUG

#define YY_NEVER_INTERACTIVE 1

extern int yyerror(const char* errstr);
#ifdef _UNICODE
extern int yyerror(LPCTSTR errstr);
#endif

#define	ECHO				TRACE
#define	YY_INPUT			ReadLexBuff
#define	YY_FATAL_ERROR		FatalLexError

static void ReadLexBuff(char* pcBuff, int& riResult, size_t uMaxSize);
static void FatalLexError(yyconst char msg[]);

static CStringA _strInputBuff;
static LPCSTR _pszLexBuff;

/* Macros after this point can all be overridden by user definitions in
 * section 1.
 */

#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int yywrap YY_PROTO(( void ));
#else
extern int yywrap YY_PROTO(( void ));
#endif
#endif

#ifndef YY_NO_UNPUT
static void yyunput YY_PROTO(( int c, char *buf_ptr ));
#endif

#ifndef yytext_ptr
static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen YY_PROTO(( yyconst char * ));
#endif

#ifndef YY_NO_INPUT
#ifdef __cplusplus
static int yyinput YY_PROTO(( void ));
#else
static int input YY_PROTO(( void ));
#endif
#endif

#if YY_STACK_USED
static int yy_start_stack_ptr = 0;
static int yy_start_stack_depth = 0;
static int *yy_start_stack = 0;
#ifndef YY_NO_PUSH_STATE
static void yy_push_state YY_PROTO(( int new_state ));
#endif
#ifndef YY_NO_POP_STATE
static void yy_pop_state YY_PROTO(( void ));
#endif
#ifndef YY_NO_TOP_STATE
static int yy_top_state YY_PROTO(( void ));
#endif

#else
#define YY_NO_PUSH_STATE 1
#define YY_NO_POP_STATE 1
#define YY_NO_TOP_STATE 1
#endif

#ifdef YY_MALLOC_DECL
YY_MALLOC_DECL
#else
#if __STDC__
#ifndef __cplusplus
#include <stdlib.h>
#endif
#else
/* Just try to get by without declaring the routines.  This will fail
 * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
 * or sizeof(void*) != sizeof(int).
 */
#endif
#endif

/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 8192
#endif

/* Copy whatever the last rule matched to the standard output. */

#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
 * we now use fwrite().
 */
#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
#endif

/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 * is returned in "result".
 */
#ifndef YY_INPUT
#define YY_INPUT(buf,result,max_size) \
	if ( yy_current_buffer->yy_is_interactive ) \
		{ \
		int c = '*', n; \
		for ( n = 0; n < max_size && \
			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
			buf[n] = (char) c; \
		if ( c == '\n' ) \
			buf[n++] = (char) c; \
		if ( c == EOF && ferror( yyin ) ) \
			YY_FATAL_ERROR( "input in flex scanner failed" ); \
		result = n; \
		} \
	else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
		  && ferror( yyin ) ) \
		YY_FATAL_ERROR( "input in flex scanner failed" );
#endif

/* No semi-colon after return; correct usage is to write "yyterminate();" -
 * we don't want an extra ';' after the "return" because that will cause
 * some compilers to complain about unreachable statements.
 */
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif

/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif

/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
#endif

/* Default declaration of generated scanner - a define so the user can
 * easily add parameters.
 */
#ifndef YY_DECL
#define YY_DECL int yylex YY_PROTO(( void ))
#endif

/* Code executed at the beginning of each rule, after yytext and yyleng
 * have been set up.
 */
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif

/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK break;
#endif

#define YY_RULE_SETUP \
	YY_USER_ACTION

YY_DECL
	{
	register yy_state_type yy_current_state;
	register char *yy_cp, *yy_bp;
	register int yy_act;




	if ( yy_init )
		{
		yy_init = 0;

#ifdef YY_USER_INIT
		YY_USER_INIT;
#endif

		if ( ! yy_start )
			yy_start = 1;	/* first start state */

		if ( ! yyin )
			yyin = stdin;

		if ( ! yyout )
			yyout = stdout;

		if ( ! yy_current_buffer )
			yy_current_buffer =
				yy_create_buffer( yyin, YY_BUF_SIZE );

		yy_load_buffer_state();
		}

	while ( 1 )		/* loops until end-of-file is reached */
		{
		yy_cp = yy_c_buf_p;

		/* Support of yytext. */
		*yy_cp = yy_hold_char;

		/* yy_bp points to the position in yy_ch_buf of the start of
		 * the current run.
		 */
		yy_bp = yy_cp;

		yy_current_state = yy_start;
yy_match:
		do
			{
			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
			if ( yy_accept[yy_current_state] )
				{
				yy_last_accepting_state = yy_current_state;
				yy_last_accepting_cpos = yy_cp;
				}
			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
				{
				yy_current_state = (int) yy_def[yy_current_state];
				if ( yy_current_state >= 141 )
					yy_c = yy_meta[(unsigned int) yy_c];
				}
			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
			++yy_cp;
			}
		while ( yy_base[yy_current_state] != 922 );

yy_find_action:
		yy_act = yy_accept[yy_current_state];
		if ( yy_act == 0 )
			{ /* have to back up */
			yy_cp = yy_last_accepting_cpos;
			yy_current_state = yy_last_accepting_state;
			yy_act = yy_accept[yy_current_state];
			}

		YY_DO_BEFORE_ACTION;


do_action:	/* This label is used only to access EOF actions. */


		switch ( yy_act )
	{ /* beginning of action switch */
			case 0: /* must back up */
			/* undo the effects of YY_DO_BEFORE_ACTION */
			*yy_cp = yy_hold_char;
			yy_cp = yy_last_accepting_cpos;
			yy_current_state = yy_last_accepting_state;
			goto yy_find_action;

case 1:
YY_RULE_SETUP
{ /* Skip blanks. */ }
	YY_BREAK
case 2:
YY_RULE_SETUP
{ return TOK_OR; }
	YY_BREAK
case 3:
YY_RULE_SETUP
{ return TOK_AND; }
	YY_BREAK
case 4:
YY_RULE_SETUP
{ return TOK_NOT; }
	YY_BREAK
case 5:
YY_RULE_SETUP
{
					CString strError;
					try
					{
						USES_CONVERSION;
						CED2KLink* pLink = CED2KLink::CreateLinkFromUrl(A2T(yytext));
						if (pLink && pLink->GetKind() == CED2KLink::kFile)
						{
							CED2KFileLink* pFileLink = pLink->GetFileLink();
							if (pFileLink)
							{
								yylval.pstr = new CStringA;
								yylval.pstr->Format("ed2k::%s", md4strA(pFileLink->GetHashKey()));
								delete pLink;
								return TOK_ED2K_LINK;
							}
						}
						delete pLink;
					}
					catch(CString strEd2kLinkError)
					{
						strError = strEd2kLinkError;
					}
					if (strError.IsEmpty())
						strError = _T("Invalid eD2K file link");
					yyerror(strError);
					yylval.pstr = new CStringA(yytext);
					return TOK_STRING;
				}
	YY_BREAK
case 6:
YY_RULE_SETUP
{
					yylval.pstr = new CStringA(yytext);
					return TOK_ED2K_LINK;
				}
	YY_BREAK
case 7:
YY_RULE_SETUP
{
					yylval.pstr = new CStringA(yytext);
					return TOK_STRING;
                }
	YY_BREAK
case 8:
YY_RULE_SETUP
{
					int l = 128;
					char* psz = (char*)malloc(l);
					int i = 0;
					int c;
					while ((c = yyinput()) != '\"')
					{
						if (c == EOF || c == '\n'){
							unput(c);
							yyerror(GetResString(IDS_SEARCH_UNTERMSTRING));
							break;
						}
						if (c == '\\'){		/*Escape sequence*/
							switch (c = yyinput())
							{
							case '\n':
								continue;
							case 't':		/*Tab*/
								c = '\t';
								break;
							case 'n':		/*Linefeed*/
								c = '\n';
								break;
							case 'f':		/*Formfeed*/
								c = '\f';
								break;
							case 'r':		/*Carriage return*/
								c = '\r';
								break;
							case '\\':		/*Backslash*/
								c = '\\';
								break;
							case '"':		/*Double quotation mark*/
								c = '\"';
								break;
							case '\'':		/*Single quotation mark*/
								c = '\'';
								break;
							case '?':		/*Question mark*/
								c = '\?';
								break;
							case 'v':		/*Vertical Tab*/
								c = '\v';
								break;
							case 'a':		/*Alert*/
								c = '\a';
								break;
							case 'b':		/*Backspace*/
								c = '\b';