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