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Comment:If a @-line for a string literal ends with "\" then omit the newline.
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SHA3-256: 09d882ee819572a0f62a09e6daeef7e713280126f8d7c5a3939bfee9195b3706
User & Date: drh 2017-12-05 16:22:07
Context
2017-12-05
16:44
Add default CSS for the label-value table. check-in: d2e9b376 user: drh tags: trunk
16:22
If a @-line for a string literal ends with "\" then omit the newline. check-in: 09d882ee user: drh tags: trunk
16:04
Remove the [...] surrounding hashes in the detail information of the timeline. check-in: cc846d4b user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/translate.c. 

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static int inPrint = 0;

/*
** True if we are currently doing a free string
*/
static int inStr = 0;






/*
** Terminate an active cgi_printf() or free string
*/
static void end_block(FILE *out){
  if( inPrint ){
    zArg[nArg] = 0;
    fprintf(out, "%s);\n", zArg);
................................................................................
** Translate the input stream into the output stream
*/
static void trans(FILE *in, FILE *out){
  int i, j, k;          /* Loop counters */
  char c1, c2;          /* Characters used to start a comment */
  int lastWasEq = 0;    /* True if last non-whitespace character was "=" */
  int lastWasComma = 0; /* True if last non-whitespace character was "," */

  char zLine[2000];     /* A single line of input */
  char zOut[4000];      /* The input line translated into appropriate output */

  c1 = c2 = '-';
  while( fgets(zLine, sizeof(zLine), in) ){

    for(i=0; zLine[i] && isspace(zLine[i]); i++){}
    if( zLine[i]!='@' ){
      if( inPrint || inStr ) end_block(out);
      fprintf(out,"%s",zLine);
                       /* 0123456789 12345 */
      if( strncmp(zLine, "/* @-comment: ", 14)==0 ){
        c1 = zLine[14];
................................................................................
      /* If the last non-whitespace character before the first @ was
      ** an "="(var init/set) or a ","(const definition in list) then
      ** generate a string literal.  But skip comments
      ** consisting of all text between c1 and c2 (default "--")
      ** and end of line.
      */
      int indent, omitline;

      i++;
      if( isspace(zLine[i]) ){ i++; }
      indent = i - 2;
      if( indent<0 ) indent = 0;
      omitline = 0;
      for(j=0; zLine[i] && zLine[i]!='\r' && zLine[i]!='\n'; i++){
        if( zLine[i]==c1 && (c2==' ' || zLine[i+1]==c2) ){
           omitline = 1; break;
        }







        if( zLine[i]=='"' || zLine[i]=='\\' ){ zOut[j++] = '\\'; }
        zOut[j++] = zLine[i];
      }
      while( j>0 && isspace(zOut[j-1]) ){ j--; }
      zOut[j] = 0;
      if( j<=0 && omitline ){
        fprintf(out,"\n");
      }else{
        fprintf(out,"%*s\"%s\\n\"\n",indent, "", zOut);
      }
    }else{
      /* Otherwise (if the last non-whitespace was not '=') then generate
      ** a cgi_printf() statement whose format is the text following the '@'.
      ** Substrings of the form "%C(...)" (where C is any sequence of
      ** characters other than \000 and '(') will put "%C" in the
      ** format and add the "(...)" as an argument to the cgi_printf call.
................................................................................
  if( argc==2 ){
    char *arg;
    FILE *in = fopen(argv[1], "r");
    if( in==0 ){
      fprintf(stderr,"can not open %s\n", argv[1]);
      exit(1);
    }

    printf("#line 1 \"");
    for(arg=argv[1]; *arg; arg++){
      if( *arg!='\\' ){
        printf("%c", *arg);
      }else{
        printf("\\\\");
      }








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static int inPrint = 0;

/*
** True if we are currently doing a free string
*/
static int inStr = 0;

/*
** Name of files being processed
*/
static const char *zInFile = "(stdin)";

/*
** Terminate an active cgi_printf() or free string
*/
static void end_block(FILE *out){
  if( inPrint ){
    zArg[nArg] = 0;
    fprintf(out, "%s);\n", zArg);
................................................................................
** Translate the input stream into the output stream
*/
static void trans(FILE *in, FILE *out){
  int i, j, k;          /* Loop counters */
  char c1, c2;          /* Characters used to start a comment */
  int lastWasEq = 0;    /* True if last non-whitespace character was "=" */
  int lastWasComma = 0; /* True if last non-whitespace character was "," */
  int lineNo = 0;       /* Line number */
  char zLine[2000];     /* A single line of input */
  char zOut[4000];      /* The input line translated into appropriate output */

  c1 = c2 = '-';
  while( fgets(zLine, sizeof(zLine), in) ){
    lineNo++;
    for(i=0; zLine[i] && isspace(zLine[i]); i++){}
    if( zLine[i]!='@' ){
      if( inPrint || inStr ) end_block(out);
      fprintf(out,"%s",zLine);
                       /* 0123456789 12345 */
      if( strncmp(zLine, "/* @-comment: ", 14)==0 ){
        c1 = zLine[14];
................................................................................
      /* If the last non-whitespace character before the first @ was
      ** an "="(var init/set) or a ","(const definition in list) then
      ** generate a string literal.  But skip comments
      ** consisting of all text between c1 and c2 (default "--")
      ** and end of line.
      */
      int indent, omitline;
      char *zNewline = "\\n";
      i++;
      if( isspace(zLine[i]) ){ i++; }
      indent = i - 2;
      if( indent<0 ) indent = 0;
      omitline = 0;
      for(j=0; zLine[i] && zLine[i]!='\r' && zLine[i]!='\n'; i++){
        if( zLine[i]==c1 && (c2==' ' || zLine[i+1]==c2) ){
           omitline = 1; break;
        }
        if( zLine[i]=='\\' && (zLine[i+1]==0 || zLine[i+1]=='\r'
                                 || zLine[i+1]=='\n') ){
          zLine[i] = 0;
          zNewline = "";
          /* fprintf(stderr, "%s:%d: omit newline\n", zInFile, lineNo); */
          break;
        }
        if( zLine[i]=='\\' || zLine[i]=='"' ){ zOut[j++] = '\\'; }
        zOut[j++] = zLine[i];
      }
      if( zNewline[0] ) while( j>0 && isspace(zOut[j-1]) ){ j--; }
      zOut[j] = 0;
      if( j<=0 && omitline ){
        fprintf(out,"\n");
      }else{
        fprintf(out,"%*s\"%s%s\"\n",indent, "", zOut, zNewline);
      }
    }else{
      /* Otherwise (if the last non-whitespace was not '=') then generate
      ** a cgi_printf() statement whose format is the text following the '@'.
      ** Substrings of the form "%C(...)" (where C is any sequence of
      ** characters other than \000 and '(') will put "%C" in the
      ** format and add the "(...)" as an argument to the cgi_printf call.
................................................................................
  if( argc==2 ){
    char *arg;
    FILE *in = fopen(argv[1], "r");
    if( in==0 ){
      fprintf(stderr,"can not open %s\n", argv[1]);
      exit(1);
    }
    zInFile = argv[1];
    printf("#line 1 \"");
    for(arg=argv[1]; *arg; arg++){
      if( *arg!='\\' ){
        printf("%c", *arg);
      }else{
        printf("\\\\");
      }

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