The Tor Browser / file comparison
comparison: xpcom/glue/nsINIParser.h
xpcom/glue/nsINIParser.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:56553e9f8804 |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 // This file was shamelessly copied from mozilla/xpinstall/wizard/unix/src2 | |
| 7 | |
| 8 #ifndef nsINIParser_h__ | |
| 9 #define nsINIParser_h__ | |
| 10 | |
| 11 #ifdef MOZILLA_INTERNAL_API | |
| 12 #define nsINIParser nsINIParser_internal | |
| 13 #endif | |
| 14 | |
| 15 #include "nscore.h" | |
| 16 #include "nsClassHashtable.h" | |
| 17 #include "nsAutoPtr.h" | |
| 18 | |
| 19 #include <stdio.h> | |
| 20 | |
| 21 class nsIFile; | |
| 22 | |
| 23 class NS_COM_GLUE nsINIParser | |
| 24 { | |
| 25 public: | |
| 26 nsINIParser() { } | |
| 27 ~nsINIParser() { } | |
| 28 | |
| 29 /** | |
| 30 * Initialize the INIParser with a nsIFile. If this method fails, no | |
| 31 * other methods should be called. This method reads and parses the file, | |
| 32 * the class does not hold a file handle open. An instance must only be | |
| 33 * initialized once. | |
| 34 */ | |
| 35 nsresult Init(nsIFile* aFile); | |
| 36 | |
| 37 /** | |
| 38 * Initialize the INIParser with a file path. If this method fails, no | |
| 39 * other methods should be called. This method reads and parses the file, | |
| 40 * the class does not hold a file handle open. An instance must only | |
| 41 * be initialized once. | |
| 42 */ | |
| 43 nsresult Init(const char *aPath); | |
| 44 | |
| 45 /** | |
| 46 * Callback for GetSections | |
| 47 * @return false to stop enumeration, or true to continue. | |
| 48 */ | |
| 49 typedef bool | |
| 50 (* INISectionCallback)(const char *aSection, void *aClosure); | |
| 51 | |
| 52 /** | |
| 53 * Enumerate the sections within the INI file. | |
| 54 */ | |
| 55 nsresult GetSections(INISectionCallback aCB, void *aClosure); | |
| 56 | |
| 57 /** | |
| 58 * Callback for GetStrings | |
| 59 * @return false to stop enumeration, or true to continue | |
| 60 */ | |
| 61 typedef bool | |
| 62 (* INIStringCallback)(const char *aString, const char *aValue, | |
| 63 void *aClosure); | |
| 64 | |
| 65 /** | |
| 66 * Enumerate the strings within a section. If the section does | |
| 67 * not exist, this function will silently return. | |
| 68 */ | |
| 69 nsresult GetStrings(const char *aSection, | |
| 70 INIStringCallback aCB, void *aClosure); | |
| 71 | |
| 72 /** | |
| 73 * Get the value of the specified key in the specified section | |
| 74 * of the INI file represented by this instance. | |
| 75 * | |
| 76 * @param aSection section name | |
| 77 * @param aKey key name | |
| 78 * @param aResult the value found | |
| 79 * @throws NS_ERROR_FAILURE if the specified section/key could not be | |
| 80 * found. | |
| 81 */ | |
| 82 nsresult GetString(const char *aSection, const char *aKey, | |
| 83 nsACString &aResult); | |
| 84 | |
| 85 /** | |
| 86 * Alternate signature of GetString that uses a pre-allocated buffer | |
| 87 * instead of a nsACString (for use in the standalone glue before | |
| 88 * the glue is initialized). | |
| 89 * | |
| 90 * @throws NS_ERROR_LOSS_OF_SIGNIFICANT_DATA if the aResult buffer is not | |
| 91 * large enough for the data. aResult will be filled with as | |
| 92 * much data as possible. | |
| 93 * | |
| 94 * @see GetString [1] | |
| 95 */ | |
| 96 nsresult GetString(const char *aSection, const char* aKey, | |
| 97 char *aResult, uint32_t aResultLen); | |
| 98 | |
| 99 private: | |
| 100 struct INIValue | |
| 101 { | |
| 102 INIValue(const char *aKey, const char *aValue) | |
| 103 : key(aKey), value(aValue) { } | |
| 104 | |
| 105 const char *key; | |
| 106 const char *value; | |
| 107 nsAutoPtr<INIValue> next; | |
| 108 }; | |
| 109 | |
| 110 struct GSClosureStruct | |
| 111 { | |
| 112 INISectionCallback usercb; | |
| 113 void *userclosure; | |
| 114 }; | |
| 115 | |
| 116 nsClassHashtable<nsDepCharHashKey, INIValue> mSections; | |
| 117 nsAutoArrayPtr<char> mFileContents; | |
| 118 | |
| 119 nsresult InitFromFILE(FILE *fd); | |
| 120 | |
| 121 static PLDHashOperator GetSectionsCB(const char *aKey, | |
| 122 INIValue *aData, void *aClosure); | |
| 123 }; | |
| 124 | |
| 125 #endif /* nsINIParser_h__ */ |
