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      1 /*
      2 **********************************************************************
      3 * Copyright (c) 2004-2006, International Business Machines
      4 * Corporation and others.  All Rights Reserved.
      5 **********************************************************************
      6 * Author: Alan Liu
      7 * Created: March 19 2004
      8 * Since: ICU 3.0
      9 **********************************************************************
     10 */
     11 #ifndef __ICU_INTLTEST_TEXTFILE__
     12 #define __ICU_INTLTEST_TEXTFILE__
     13 
     14 #include "intltest.h"
     15 #include "filestrm.h"
     16 
     17 /**
     18  * This class implements access to a text data file located in the
     19  * icu/source/test/testdata/ directory.
     20  */
     21 class TextFile {
     22  public:
     23     /**
     24      * Open a file with the given name, in the given encoding, in the
     25      * ICU testdata directory. See textfile.cpp to determine if the
     26      * 'name' and 'encoding' parameters are aliased or copied.
     27      */
     28     TextFile(const char* name, const char* encoding, UErrorCode& ec);
     29 
     30     virtual ~TextFile();
     31 
     32     /**
     33      * Read a line terminated by ^J or ^M or ^M^J, and convert it from
     34      * this file's encoding to Unicode. The EOL character(s) are not
     35      * included in 'line'.
     36      * @return TRUE if a line was read, or FALSE if the EOF
     37      * was reached or an error occurred
     38      */
     39     UBool readLine(UnicodeString& line, UErrorCode& ec);
     40 
     41     /**
     42      * Read a line, ignoring blank lines and lines that start with
     43      * '#'.  Trim leading white space.
     44      * @param trim if TRUE then remove leading rule white space
     45      * @return TRUE if a line was read, or FALSE if the EOF
     46      * was reached or an error occurred
     47      */
     48     UBool readLineSkippingComments(UnicodeString& line, UErrorCode& ec,
     49                                    UBool trim = FALSE);
     50 
     51     /**
     52      * Return the line number of the last line returned by readLine().
     53      */
     54     inline int32_t getLineNumber() const;
     55 
     56  private:
     57     UBool ensureCapacity(int32_t capacity);
     58     UBool setBuffer(int32_t index, char c, UErrorCode& ec);
     59 
     60     FileStream* file;
     61     char* name;
     62     char* encoding;
     63     char* buffer;
     64     int32_t capacity;
     65     int32_t lineNo;
     66 };
     67 
     68 inline int32_t TextFile::getLineNumber() const {
     69     return lineNo;
     70 }
     71 
     72 #endif
     73