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1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 **********************************************************************
5 * Copyright (c) 2004-2011, International Business Machines
6 * Corporation and others.  All Rights Reserved.
7 **********************************************************************
8 * Author: Alan Liu
9 * Created: March 19 2004
10 * Since: ICU 3.0
11 **********************************************************************
12 */
13 #ifndef __ICU_INTLTEST_TEXTFILE__
14 #define __ICU_INTLTEST_TEXTFILE__
15 
16 #include "intltest.h"
17 #include "filestrm.h"
18 
19 /**
20  * This class implements access to a text data file located in the
21  * icu/source/test/testdata/ directory.
22  */
23 class TextFile {
24  public:
25     /**
26      * Open a file with the given name, in the given encoding, in the
27      * ICU testdata directory. See textfile.cpp to determine if the
28      * 'name' and 'encoding' parameters are aliased or copied.
29      */
30     TextFile(const char* name, const char* encoding, UErrorCode& ec);
31 
32     virtual ~TextFile();
33 
34     /**
35      * Read a line terminated by ^J or ^M or ^M^J, and convert it from
36      * this file's encoding to Unicode. The EOL character(s) are not
37      * included in 'line'.
38      * @return TRUE if a line was read, or FALSE if the EOF
39      * was reached or an error occurred
40      */
41     UBool readLine(UnicodeString& line, UErrorCode& ec);
42 
43     /**
44      * Read a line, ignoring blank lines and lines that start with
45      * '#'.  Trim leading white space.
46      * @param trim if TRUE then remove leading Pattern_White_Space
47      * @return TRUE if a line was read, or FALSE if the EOF
48      * was reached or an error occurred
49      */
50     UBool readLineSkippingComments(UnicodeString& line, UErrorCode& ec,
51                                    UBool trim = FALSE);
52 
53     /**
54      * Return the line number of the last line returned by readLine().
55      */
56     inline int32_t getLineNumber() const;
57 
58  private:
59     UBool ensureCapacity(int32_t capacity);
60     UBool setBuffer(int32_t index, char c, UErrorCode& ec);
61 
62     FileStream* file;
63     char* name;
64     char* encoding;
65     char* buffer;
66     int32_t capacity;
67     int32_t lineNo;
68 };
69 
getLineNumber()70 inline int32_t TextFile::getLineNumber() const {
71     return lineNo;
72 }
73 
74 #endif
75