Fossil

  u8 scanstatsOn;        /* True to display scan stats before each finalize */
  u8 openMode;           /* SHELL_OPEN_NORMAL, _APPENDVFS, or _ZIPFILE */
  u8 doXdgOpen;          /* Invoke start/open/xdg-open in output_reset() */
  u8 nEqpLevel;          /* Depth of the EQP output graph */
  u8 eTraceType;         /* SHELL_TRACE_* value for type of trace */
  u8 bSafeMode;          /* True to prohibit unsafe operations */
  u8 bSafeModePersist;   /* The long-term value of bSafeMode */
  u8 bQuote;             /* Quote results for .mode box and table */
  int iWrap;             /* Wrap lines this long or longer in some output modes */
  unsigned statsOn;      /* True to display memory stats before each finalize */
  unsigned mEqpLines;    /* Mask of veritical lines in the EQP output graph */
  int inputNesting;      /* Track nesting level of .read and other redirects */
  int outCount;          /* Revert to stdout when reaching zero */
  int cnt;               /* Number of records displayed so far */
  int lineno;            /* Line number of last line read from in */
  int openFlags;         /* Additional flags to open.  (SQLITE_OPEN_NOFOLLOW) */

      print_box_line(p->out, p->actualWidth[i]+2);
    }
    utf8_printf(p->out, "%s", zSep3);
  }
  fputs("\n", p->out);
}

/*
** z[] is a line of text that is to be displayed the .mode box or table or
** similar tabular formats.  z[] might contain control characters such
** as \n, \t, \f, or \r.
**
** Compute characters to display on the first line of z[].  Stop at the
** first \r, \n, or \f.  Expand \t into spaces.  Return a copy (obtained
** from malloc()) of that first line.  Write anything to display
** on the next line into *pzTail.  If this is the last line, write a NULL
** into *pzTail.
*/
static char *translateForDisplayAndDup(
  const unsigned char *z,
  const unsigned char **pzTail,
  int mxWidth
){
  int i, j, n;
  unsigned char *zOut;
  if( z==0 ){
    *pzTail = 0;
    return 0;

  }
  if( mxWidth<0 ) mxWidth = -mxWidth;
  if( mxWidth==0 ) mxWidth = 1000000;
  i = j= n = 0;
  while( n<mxWidth ){
    if( z[i]>=' ' ){
      n++;
      do{ i++; j++; }while( (z[i]&0xc0)==0x80 );
      continue;
    }
    if( z[i]=='\t' ){
      do{
        n++;
        j++;
      }while( (n&7)!=0 && n<mxWidth );
      n += 8;
      n &= ~7;
      i++;
      continue;
    }
    break;
  }
  if( n>=mxWidth && z[i]>=' ' ){
   *pzTail = &z[i];
  }else if( z[i]=='\r' && z[i+1]=='\n' ){
    *pzTail = z[i+2] ? &z[i+2] : 0;
  }else if( z[i]==0 || z[i+1]==0 ){
    *pzTail = 0;
  }else{
    *pzTail = &z[i+1];
  }
  zOut = malloc( j+1 );
  shell_check_oom(zOut);
  i = j = n = 0;
  while( n<mxWidth ){
    if( z[i]>=' ' ){
      n++;
      do{ zOut[j++] = z[i++]; }while( (z[i]&0xc0)==0x80 );
      continue;
    }
    if( z[i]=='\t' ){
      do{
        n++;
        zOut[j++] = ' ';
      }while( (n&7)!=0 && n<mxWidth );
      i++;
      continue;
    }
    break;
  }
  zOut[j] = 0;
  return (char*)zOut;  
}

/* Extract the value of the i-th current column for pStmt as an SQL literal
** value.  Memory is obtained from sqlite3_malloc64() and must be freed by
** the caller.
*/
static char *quoted_column(sqlite3_stmt *pStmt, int i){
  switch( sqlite3_column_type(pStmt, i) ){
    case SQLITE_NULL: {
      return sqlite3_mprintf("NULL");
    }
    case SQLITE_INTEGER:
    case SQLITE_FLOAT: {
      return sqlite3_mprintf("%s",sqlite3_column_text(pStmt,i));
    }
    case SQLITE_TEXT: {
      return sqlite3_mprintf("%Q",sqlite3_column_text(pStmt,i));
    }
    case SQLITE_BLOB: {
      int j;
      sqlite3_str *pStr = sqlite3_str_new(0);
      const unsigned char *a = sqlite3_column_blob(pStmt,i);
      int n = sqlite3_column_bytes(pStmt,i);
      sqlite3_str_append(pStr, "x'", 2);
      for(j=0; j<n; j++){
        sqlite3_str_appendf(pStr, "%02x", a[j]);
      }
      sqlite3_str_append(pStr, "'", 1);
      return sqlite3_str_finish(pStr);
    }
  }
  return 0; /* Not reached */
}

/*
** Run a prepared statement and output the result in one of the
** table-oriented formats: MODE_Column, MODE_Markdown, MODE_Table,
** or MODE_Box.
**
** This is different from ordinary exec_prepared_stmt() in that
** it has to run the entire query and gather the results into memory
** first, in order to determine column widths, before providing
** any output.
*/
static void exec_prepared_stmt_columnar(
  ShellState *p,                        /* Pointer to ShellState */
  sqlite3_stmt *pStmt                   /* Statment to run */
){
  sqlite3_int64 nRow = 0;
  int nColumn = 0;
  char **azData = 0;
  sqlite3_int64 nAlloc = 0;
  char *abRowDiv = 0;
  const unsigned char *uz;
  const char *z;
  char **azQuoted = 0;
  int rc;
  sqlite3_int64 i, nData;
  int j, nTotal, w, n;
  const char *colSep = 0;
  const char *rowSep = 0;
  const unsigned char **azNextLine = 0;
  int bNextLine = 0;
  int bMultiLineRowExists = 0;

  rc = sqlite3_step(pStmt);
  if( rc!=SQLITE_ROW ) return;
  nColumn = sqlite3_column_count(pStmt);
  nAlloc = nColumn*4;
  if( nAlloc<=0 ) nAlloc = 1;
  azData = sqlite3_malloc64( nAlloc*sizeof(char*) );
  shell_check_oom(azData);
  for(i=0; i<nColumn; i++){
    azData[i] = strdup(sqlite3_column_name(pStmt,i));
  azNextLine = sqlite3_malloc64( nColumn*sizeof(char*) );
  shell_check_oom(azNextLine);
  memset(azNextLine, 0, nColumn*sizeof(char*) );
  }
  do{
    if( (nRow+2)*nColumn >= nAlloc ){
  if( p->bQuote ){
      nAlloc *= 2;
      azData = sqlite3_realloc64(azData, nAlloc*sizeof(char*));
      shell_check_oom(azData);
    azQuoted = sqlite3_malloc64( nColumn*sizeof(char*) );
    shell_check_oom(azQuoted);
    }
    nRow++;
    for(i=0; i<nColumn; i++){
    memset(azQuoted, 0, nColumn*sizeof(char*) );
      z = (const char*)sqlite3_column_text(pStmt,i);
      azData[nRow*nColumn + i] = z ? strdup(z) : 0;
    }
  }while( sqlite3_step(pStmt)==SQLITE_ROW );
  }
  abRowDiv = sqlite3_malloc64( nAlloc/nColumn );
  shell_check_oom(abRowDiv);
  if( nColumn>p->nWidth ){
    p->colWidth = realloc(p->colWidth, (nColumn+1)*2*sizeof(int));
    shell_check_oom(p->colWidth);
    for(i=p->nWidth; i<nColumn; i++) p->colWidth[i] = 0;
    p->nWidth = nColumn;
    p->actualWidth = &p->colWidth[nColumn];
  }
  memset(p->actualWidth, 0, nColumn*sizeof(int));
  for(i=0; i<nColumn; i++){
    w = p->colWidth[i];
    if( w<0 ) w = -w;
    p->actualWidth[i] = w;
  }
  for(i=0; i<nColumn; i++){
    azData[i] = strdup(sqlite3_column_name(pStmt,i));
  }
  do{
    int useNextLine = bNextLine;
    bNextLine = 0;
    if( (nRow+2)*nColumn >= nAlloc ){
      nAlloc *= 2;
      azData = sqlite3_realloc64(azData, nAlloc*sizeof(char*));
      shell_check_oom(azData);
      abRowDiv = sqlite3_realloc64(abRowDiv, nAlloc/nColumn);
      shell_check_oom(abRowDiv);
    }
    abRowDiv[nRow] = 1;
    nRow++;
    for(i=0; i<nColumn; i++){
      int w = p->colWidth[i];
      if( w==0 ) w = p->iWrap;
      if( useNextLine ){
        uz = azNextLine[i];
      }else if( p->bQuote ){
        sqlite3_free(azQuoted[i]);
        azQuoted[i] = quoted_column(pStmt,i);
        uz = (const unsigned char*)azQuoted[i];
      }else{
        uz = (const unsigned char*)sqlite3_column_text(pStmt,i);
      }
      azData[nRow*nColumn + i] = translateForDisplayAndDup(uz, &azNextLine[i], w);
      if( azNextLine[i] ){
        bNextLine = 1;
        abRowDiv[nRow-1] = 0;
        bMultiLineRowExists = 1;
      }
    }
  }while( bNextLine || sqlite3_step(pStmt)==SQLITE_ROW );
  nTotal = nColumn*(nRow+1);
  for(i=0; i<nTotal; i++){
    z = azData[i];
    if( z==0 ) z = p->nullValue;
    n = strlenChar(z);
    j = i%nColumn;
    if( n>p->actualWidth[j] ) p->actualWidth[j] = n;

    z = azData[i];
    if( z==0 ) z = p->nullValue;
    w = p->actualWidth[j];
    if( p->colWidth[j]<0 ) w = -w;
    utf8_width_print(p->out, w, z);
    if( j==nColumn-1 ){
      utf8_printf(p->out, "%s", rowSep);
      if( bMultiLineRowExists && abRowDiv[i/nColumn-1] && i+1<nTotal ){
        if( p->cMode==MODE_Table ){
          print_row_separator(p, nColumn, "+");
        }else if( p->cMode==MODE_Box ){
          print_box_row_separator(p, nColumn, BOX_123, BOX_1234, BOX_134);
        }
      }
      j = -1;
      if( seenInterrupt ) goto columnar_end;
    }else{
      utf8_printf(p->out, "%s", colSep);
    }
  }
  if( p->cMode==MODE_Table ){
    print_row_separator(p, nColumn, "+");
  }else if( p->cMode==MODE_Box ){
    print_box_row_separator(p, nColumn, BOX_12, BOX_124, BOX_14);
  }
columnar_end:
  if( seenInterrupt ){
    utf8_printf(p->out, "Interrupt\n");
  }
  nData = (nRow+1)*nColumn;
  for(i=0; i<nData; i++) free(azData[i]);
  sqlite3_free(azData);
  sqlite3_free(azNextLine);
  sqlite3_free(abRowDiv);
  if( azQuoted ){
    for(i=0; i<nColumn; i++) sqlite3_free(azQuoted[i]);
    sqlite3_free(azQuoted);
  }
}

/*
** Run a prepared statement
*/
static void exec_prepared_stmt(
  ShellState *pArg,                                /* Pointer to ShellState */

  ".lint OPTIONS            Report potential schema issues.",
  "     Options:",
  "        fkey-indexes     Find missing foreign key indexes",
#ifndef SQLITE_OMIT_LOAD_EXTENSION
  ".load FILE ?ENTRY?       Load an extension library",
#endif
  ".log FILE|off            Turn logging on or off.  FILE can be stderr/stdout",
  ".mode MODE ?TABLE?       Set output mode",
  ".mode MODE ?TABLE? ?OPTIONS?      Set output mode",
  "   MODE is one of:",
  "     ascii     Columns/rows delimited by 0x1F and 0x1E",
  "     box       Tables using unicode box-drawing characters",
  "     csv       Comma-separated values",
  "     column    Output in columns.  (See .width)",
  "     html      HTML <table> code",
  "     insert    SQL insert statements for TABLE",
  "     json      Results in a JSON array",
  "     line      One value per line",
  "     list      Values delimited by \"|\"",
  "     markdown  Markdown table format",
  "     quote     Escape answers as for SQL",
  "     table     ASCII-art table",
  "     tabs      Tab-separated values",
  "     tcl       TCL list elements",
  "     ascii       Columns/rows delimited by 0x1F and 0x1E",
  "     box         Tables using unicode box-drawing characters",
  "     csv         Comma-separated values",
  "     column      Output in columns.  (See .width)",
  "     html        HTML <table> code",
  "     insert      SQL insert statements for TABLE",
  "     json        Results in a JSON array",
  "     line        One value per line",
  "     list        Values delimited by \"|\"",
  "     markdown    Markdown table format",
  "     qbox        Shorthand for \"box --width 60 --quote\"",
  "     quote       Escape answers as for SQL",
  "     table       ASCII-art table",
  "     tabs        Tab-separated values",
  "     tcl         TCL list elements",
  "   OPTIONS: (value for columnar modes only):",
  "     --wrap N    Wrap output lines longer than N character",
  "     --quote     Quote output text as SQL literals",
  "     --noquote   Do not quote output text",
  ".nonce STRING            Disable safe mode for one command if the nonce matches",
  ".nullvalue STRING        Use STRING in place of NULL values",
  ".once ?OPTIONS? ?FILE?   Output for the next SQL command only to FILE",
  "     If FILE begins with '|' then open as a pipe",
  "       --bom  Put a UTF8 byte-order mark at the beginning",
  "       -e     Send output to the system text editor",
  "       -x     Send output as CSV to a spreadsheet (same as \".excel\")",

      const char *zFile = azArg[1];
      output_file_close(p->pLog);
      p->pLog = output_file_open(zFile, 0);
    }
  }else

  if( c=='m' && strncmp(azArg[0], "mode", n)==0 ){
    const char *zMode = nArg>=2 ? azArg[1] : "";
    int n2 = strlen30(zMode);
    const char *zMode = 0;
    const char *zTabname = 0;
    int i, n2;
    int bQuoteChng = 0;
    int bWrapChng = 0;
    for(i=1; i<nArg; i++){
      const char *z = azArg[i];
      if( optionMatch(z,"wrap") && i+1<nArg ){
        p->iWrap = integerValue(azArg[++i]);
        bWrapChng = 1;
      }else if( optionMatch(z,"quote") ){
        p->bQuote = 1;
        bQuoteChng = 1;
      }else if( optionMatch(z,"noquote") ){
        p->bQuote = 0;
        bQuoteChng = 1;
      }else if( zMode==0 ){
        zMode = z;
      }else if( zTabname==0 ){
        zTabname = z;
      }else if( z[0]=='-' ){
        utf8_printf(stderr, "unknown option: %s\n", z);
        utf8_printf(stderr, "options:\n"
                            "  --noquote\n"
                            "  --quote\n"
                            "  --wrap N\n");
        rc = 1;
        goto meta_command_exit;
      }else{
        utf8_printf(stderr, "extra argument: \"%s\"\n", z);
        rc = 1;
        goto meta_command_exit;
      }
    }
    if( zMode==0 ){
      if( p->mode==MODE_Column
       || (p->mode>=MODE_Markdown && p->mode<=MODE_Box)
      ){
        raw_printf(p->out, "current output mode: %s --wrap %d --%squote\n",
                   modeDescr[p->mode], p->iWrap, p->bQuote ? "" : "no");
      }else{
        raw_printf(p->out, "current output mode: %s\n", modeDescr[p->mode]);
      }
      bWrapChng = bQuoteChng = 1;
      zMode = modeDescr[p->mode];
    }
    n2 = strlen30(zMode);
    int c2 = zMode[0];
    if( c2=='l' && n2>2 && strncmp(azArg[1],"lines",n2)==0 ){
    if( strncmp(zMode,"lines",n2)==0 ){
      p->mode = MODE_Line;
      sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row);
    }else if( c2=='c' && strncmp(azArg[1],"columns",n2)==0 ){
    }else if( strncmp(zMode,"columns",n2)==0 ){
      p->mode = MODE_Column;
      if( (p->shellFlgs & SHFLG_HeaderSet)==0 ){
        p->showHeader = 1;
      }
      sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row);
      if( !bWrapChng ) p->iWrap = 0;
      if( !bQuoteChng ) p->bQuote = 0;
    }else if( c2=='l' && n2>2 && strncmp(azArg[1],"list",n2)==0 ){
    }else if( strncmp(zMode,"list",n2)==0 ){
      p->mode = MODE_List;
      sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Column);
      sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row);
    }else if( c2=='h' && strncmp(azArg[1],"html",n2)==0 ){
    }else if( strncmp(zMode,"html",n2)==0 ){
      p->mode = MODE_Html;
    }else if( c2=='t' && strncmp(azArg[1],"tcl",n2)==0 ){
    }else if( strncmp(zMode,"tcl",n2)==0 ){
      p->mode = MODE_Tcl;
      sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Space);
      sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row);
    }else if( c2=='c' && strncmp(azArg[1],"csv",n2)==0 ){
    }else if( strncmp(zMode,"csv",n2)==0 ){
      p->mode = MODE_Csv;
      sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Comma);
      sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_CrLf);
    }else if( c2=='t' && strncmp(azArg[1],"tabs",n2)==0 ){
    }else if( strncmp(zMode,"tabs",n2)==0 ){
      p->mode = MODE_List;
      sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Tab);
    }else if( c2=='i' && strncmp(azArg[1],"insert",n2)==0 ){
    }else if( strncmp(zMode,"insert",n2)==0 ){
      p->mode = MODE_Insert;
      set_table_name(p, nArg>=3 ? azArg[2] : "table");
    }else if( c2=='q' && strncmp(azArg[1],"quote",n2)==0 ){
      set_table_name(p, zTabname ? zTabname : "table");
    }else if( strncmp(zMode,"quote",n2)==0 ){
      p->mode = MODE_Quote;
      sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Comma);
      sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row);
    }else if( c2=='a' && strncmp(azArg[1],"ascii",n2)==0 ){
    }else if( strncmp(zMode,"ascii",n2)==0 ){
      p->mode = MODE_Ascii;
      sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Unit);
      sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Record);
    }else if( c2=='m' && strncmp(azArg[1],"markdown",n2)==0 ){
    }else if( strncmp(zMode,"markdown",n2)==0 ){
      p->mode = MODE_Markdown;
      if( !bWrapChng ) p->iWrap = 0;
      if( !bQuoteChng ) p->bQuote = 0;
    }else if( c2=='t' && strncmp(azArg[1],"table",n2)==0 ){
    }else if( strncmp(zMode,"table",n2)==0 ){
      p->mode = MODE_Table;
      if( !bWrapChng ) p->iWrap = 0;
      if( !bQuoteChng ) p->bQuote = 0;
    }else if( c2=='b' && strncmp(azArg[1],"box",n2)==0 ){
    }else if( strncmp(zMode,"box",n2)==0 ){
      p->mode = MODE_Box;
      if( !bWrapChng ) p->iWrap = 0;
      if( !bQuoteChng ) p->bQuote = 0;
    }else if( strcmp(zMode,"qbox")==0 ){
      p->mode = MODE_Box;
      if( !bWrapChng ) p->iWrap = 60;
      if( !bQuoteChng ) p->bQuote = 1;
    }else if( c2=='c' && strncmp(azArg[1],"count",n2)==0 ){
    }else if( strncmp(zMode,"count",n2)==0 ){
      p->mode = MODE_Count;
    }else if( c2=='o' && strncmp(azArg[1],"off",n2)==0 ){
    }else if( strncmp(zMode,"off",n2)==0 ){
      p->mode = MODE_Off;
    }else if( c2=='j' && strncmp(azArg[1],"json",n2)==0 ){
    }else if( strncmp(zMode,"json",n2)==0 ){
      p->mode = MODE_Json;
    }else if( nArg==1 ){
      raw_printf(p->out, "current output mode: %s\n", modeDescr[p->mode]);
    }else{
      raw_printf(stderr, "Error: mode should be one of: "
         "ascii box column csv html insert json line list markdown "
         "quote table tabs tcl\n");
         "qbox quote table tabs tcl\n");
      rc = 1;
    }
    p->cMode = p->mode;
  }else

  if( c=='n' && strcmp(azArg[0], "nonce")==0 ){
    if( nArg!=2 ){

    }
    utf8_printf(p->out, "%12.12s: %s\n","echo",
                                  azBool[ShellHasFlag(p, SHFLG_Echo)]);
    utf8_printf(p->out, "%12.12s: %s\n","eqp", azBool[p->autoEQP&3]);
    utf8_printf(p->out, "%12.12s: %s\n","explain",
         p->mode==MODE_Explain ? "on" : p->autoExplain ? "auto" : "off");
    utf8_printf(p->out,"%12.12s: %s\n","headers", azBool[p->showHeader!=0]);
    if( p->mode==MODE_Column
     || (p->mode>=MODE_Markdown && p->mode<=MODE_Box)
    ){
      utf8_printf(p->out, "%12.12s: %s --wrap %d --%squote\n", "mode",
                  modeDescr[p->mode], p->iWrap, p->bQuote ? "" : "no");
    }else{
    utf8_printf(p->out, "%12.12s: %s\n","mode", modeDescr[p->mode]);
      utf8_printf(p->out, "%12.12s: %s\n","mode", modeDescr[p->mode]);
    }
    utf8_printf(p->out, "%12.12s: ", "nullvalue");
      output_c_string(p->out, p->nullValue);
      raw_printf(p->out, "\n");
    utf8_printf(p->out,"%12.12s: %s\n","output",
            strlen30(p->outfile) ? p->outfile : "stdout");
    utf8_printf(p->out,"%12.12s: ", "colseparator");
      output_c_string(p->out, p->colSeparator);