src/tests/add-ons/print/ppd/test/TestScanner.cpp

   1 /*
   2  * Copyright 2008, Haiku.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Authors:
   6  *              Michael Pfeiffer <laplace@users.sourceforge.net>
   7  */
   8
   9 #include "CharacterClasses.h"
  10 #include "Scanner.h"
  11
  12 #include <stdio.h>
  13
  14 void Print(Scanner* scanner)
  15 {
  16         Position position = scanner->GetPosition();
  17         const char* filename = scanner->GetFileName();
  18         int ch = scanner->GetCurrentChar();
  19         printf("[%d, %d] (%s) %c\n", position.x, position.y, filename, ch);
  20 }
  21
  22 void TestScanner()
  23 {
  24         Scanner scanner("main.ppd");
  25         if (scanner.InitCheck() != B_OK) {
  26                 fprintf(stderr, "Could not open file main.ppd\n");
  27                 return;
  28         }
  29
  30         scanner.NextChar();
  31         for (int i = 0; i < 10; i ++) {
  32                 int ch = scanner.GetCurrentChar();
  33                 if (ch == kEof) {
  34                         fprintf(stderr, "Unexpected end of file!\n");
  35                         return;
  36                 }
  37                 Print(&scanner);
  38                 scanner.NextChar();
  39         }
  40
  41         if (!scanner.Include("include.ppd")) {
  42                 fprintf(stderr, "Could not include file include.ppd\n");
  43                 return;
  44         }
  45
  46         while (scanner.GetCurrentChar() != kEof) {
  47                 Print(&scanner);
  48                 scanner.NextChar();
  49         }
  50
  51         BString string;
  52         string.Append('a', 1);
  53         printf("%d\n", (int)string.Length());
  54         string.Append((char)0, 1);
  55         string.Append('b', 1);
  56         printf("%d\n", (int)string.Length());
  57         for (int i = 0; i < string.Length(); i ++) {
  58                 printf("%c ", string.String()[i]);
  59         }
  60
  61         printf("%d\n", '"');
  62 }