SQLite

**    May you find forgiveness for yourself and forgive others.
**    May you share freely, never taking more than you give.
**
*************************************************************************
** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases.
**
** $Id: shell.c,v 1.77 2003/05/04 18:30:59 drh Exp $
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "sqlite.h"
#include "sqliteInt.h"
#include <ctype.h>

  if(in && isatty(fileno(stdout))) {
    printf("Loading resources from %s\n",sqliterc);
    process_input(p,in);
    fclose(in);
  }
  return;
}

/*
** Show available command line options
*/
static const char zOptions[] = 
  "   -init filename       read/process named file\n"
  "   -echo                print commands before execution\n"
  "   -[no]header          turn headers on or off\n"
  "   -column              set output mode to 'column'\n"
  "   -html                set output mode to HTML\n"
  "   -line                set output mode to 'line'\n"
  "   -list                set output mode to 'list'\n"
  "   -separator 'x'       set output field separator (|)\n"
  "   -nullvalue 'text'    set text string for NULL values\n"
  "   -version             show SQLite version\n"
  "   -help                show this text, also show dot-commands\n"
;
static void usage(int showDetail){
  fprintf(stderr, "Usage: %s [OPTIONS] FILENAME [SQL]\n", Argv0);
  if( showDetail ){
    fprintf(stderr, "Options are:\n%s", zOptions);
  }else{
    fprintf(stderr, "Use the -help option for additional information\n");
  }
  exit(1);
}

/*
** Initialize the state information in data
*/
void main_init(struct callback_data *data) {
  memset(data, 0, sizeof(*data));
  data->mode = MODE_List;

  */
  for(i=1; i<argc; i++){
    if( argv[i][0]!='-' ) break;
    if( strcmp(argv[i],"-separator")==0 || strcmp(argv[i],"-nullvalue")==0 ){
      i++;
    }
  }




  data.zDbFilename = i<argc ? argv[i] : ":memory:";
  data.out = stdout;

  /* Go ahead and open the database file if it already exists.  If the
  ** file does not exist, delay opening it.  This prevents empty database
  ** files from being created if a user mistypes the database name argument
  ** to the sqlite command-line tool.
  */

      data.showHeader = 0;
      argc--;
      argv++;
    }else if( strcmp(argv[1],"-echo")==0 ){
      data.echoOn = 1;
      argc--;
      argv++;
    }else if( strcmp(argv[1],"-version")==0 ){
      printf("%s\n", sqlite_version);
      return 1;
    }else if( strcmp(argv[1],"-help")==0 ){
      usage(1);
    }else{
      fprintf(stderr,"%s: unknown option: %s\n", Argv0, argv[1]);
      fprintf(stderr,"Use -help for a list of options.\n");
      return 1;
    }
  }

  if( argc<2 ){
    usage(0);
  }else if( argc==3 ){
    /* Run just the command that follows the database name
    */
    if( argv[2][0]=='.' ){
      do_meta_command(argv[2], &data);
      exit(0);
    }else{
      int rc;

*************************************************************************
** An tokenizer for SQL
**
** This file contains C code that splits an SQL input string up into
** individual tokens and sends those tokens one-by-one over to the
** parser for analysis.
**
** $Id: tokenize.c,v 1.60 2003/05/04 18:30:59 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include <stdlib.h>

/*

  u8 token;       /* Value of the next token */

  /* The following matrix defines the transition from one state to another
  ** according to what token is seen.  trans[state][token] returns the
  ** next state.
  */
  static const u8 trans[7][8] = {
                     /* Token:                                                */
     /* State:       **  EXPLAIN  CREATE  TEMP  TRIGGER  END  SEMI  WS  OTHER */
     /* 0   START: */ {       1,      2,    3,       3,   3,    0,  0,     3, },
     /* 1 EXPLAIN: */ {       3,      2,    3,       3,   3,    0,  1,     3, },
     /* 2  CREATE: */ {       3,      3,    2,       4,   3,    0,  2,     3, },
     /* 3  NORMAL: */ {       3,      3,    3,       3,   3,    0,  3,     3, },
     /* 4 TRIGGER: */ {       4,      4,    4,       4,   4,    5,  4,     4, },
     /* 5    SEMI: */ {       4,      4,    4,       4,   6,    5,  5,     4, },

        zSql++;
        while( *zSql && *zSql!=c ){ zSql++; }
        if( *zSql==0 ) return 0;
        token = tkOTHER;
        break;
      }
      default: {
        if( isIdChar[(u8)*zSql] ){
          /* Keywords and unquoted identifiers */
          int nId;
          for(nId=1; isIdChar[(u8)zSql[nId]]; nId++){}
          switch( *zSql ){
            case 'c': case 'C': {
              if( nId==6 && sqliteStrNICmp(zSql, "create", 6)==0 ){
                token = tkCREATE;
              }else{
                token = tkOTHER;
              }