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| 1 /* | |
| 2 ********************************************************************** | |
| 3 * Copyright (c) 2004-2011, International Business Machines | |
| 4 * Corporation and others. All Rights Reserved. | |
| 5 ********************************************************************** | |
| 6 * Author: Alan Liu | |
| 7 * Created: March 22 2004 | |
| 8 * Since: ICU 3.0 | |
| 9 ********************************************************************** | |
| 10 */ | |
| 11 #ifndef __ICU_INTLTEST_TOKITER__ | |
| 12 #define __ICU_INTLTEST_TOKITER__ | |
| 13 | |
| 14 #include "intltest.h" | |
| 15 | |
| 16 class TextFile; | |
| 17 | |
| 18 /** | |
| 19 * An iterator class that returns successive string tokens from some | |
| 20 * source. String tokens are, in general, separated by Pattern_White_Space | |
| 21 * in the source test. Furthermore, they may be delimited by | |
| 22 * either single or double quotes (opening and closing quotes must | |
| 23 * match). Escapes are processed using standard ICU unescaping. | |
| 24 */ | |
| 25 class TokenIterator { | |
| 26 public: | |
| 27 | |
| 28 /** | |
| 29 * Construct an iterator over the tokens returned by the given | |
| 30 * TextFile, ignoring blank lines and comment lines (first | |
| 31 * non-blank character is '#'). Note that trailing comments on a | |
| 32 * line, beginning with the first unquoted '#', are recognized. | |
| 33 */ | |
| 34 TokenIterator(TextFile* r); | |
| 35 | |
| 36 virtual ~TokenIterator(); | |
| 37 | |
| 38 /** | |
| 39 * Return the next token from this iterator. | |
| 40 * @return TRUE if a token was read, or FALSE if no more tokens | |
| 41 * are available or an error occurred. | |
| 42 */ | |
| 43 UBool next(UnicodeString& token, UErrorCode& ec); | |
| 44 | |
| 45 /** | |
| 46 * Return the one-based line number of the line of the last token | |
| 47 * returned by next(). Should only be called after a call to | |
| 48 * next(); otherwise the return value is undefined. | |
| 49 */ | |
| 50 int32_t getLineNumber() const; | |
| 51 | |
| 52 /** | |
| 53 * Return a string description of the position of the last line | |
| 54 * returned by readLine() or readLineSkippingComments(). | |
| 55 */ | |
| 56 //public String describePosition() { | |
| 57 // return reader.describePosition() + ':' + (lastpos+1); | |
| 58 //} | |
| 59 | |
| 60 private: | |
| 61 UBool nextToken(UnicodeString& token, UErrorCode& ec); | |
| 62 | |
| 63 TextFile* reader; // alias | |
| 64 UnicodeString line; | |
| 65 UBool done; | |
| 66 UBool haveLine; | |
| 67 int32_t pos; | |
| 68 int32_t lastpos; | |
| 69 }; | |
| 70 | |
| 71 #endif | |
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Chromium Code Reviews
Issue 2435373002:
Delete source/test (Closed)
