118 lines
3.3 KiB
C++
118 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
// This file was shamelessly copied from mozilla/xpinstall/wizard/unix/src2
|
|
|
|
#ifndef nsINIParser_h__
|
|
#define nsINIParser_h__
|
|
|
|
#ifdef MOZILLA_INTERNAL_API
|
|
#define nsINIParser nsINIParser_internal
|
|
#endif
|
|
|
|
#include "nscore.h"
|
|
#include "nsClassHashtable.h"
|
|
#include "mozilla/UniquePtr.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
class nsIFile;
|
|
|
|
class nsINIParser
|
|
{
|
|
public:
|
|
nsINIParser() {}
|
|
~nsINIParser() {}
|
|
|
|
/**
|
|
* Initialize the INIParser with a nsIFile. If this method fails, no
|
|
* other methods should be called. This method reads and parses the file,
|
|
* the class does not hold a file handle open. An instance must only be
|
|
* initialized once.
|
|
*/
|
|
nsresult Init(nsIFile* aFile);
|
|
|
|
/**
|
|
* Initialize the INIParser with a file path. If this method fails, no
|
|
* other methods should be called. This method reads and parses the file,
|
|
* the class does not hold a file handle open. An instance must only
|
|
* be initialized once.
|
|
*/
|
|
nsresult Init(const char* aPath);
|
|
|
|
/**
|
|
* Callback for GetSections
|
|
* @return false to stop enumeration, or true to continue.
|
|
*/
|
|
typedef bool (*INISectionCallback)(const char* aSection, void* aClosure);
|
|
|
|
/**
|
|
* Enumerate the sections within the INI file.
|
|
*/
|
|
nsresult GetSections(INISectionCallback aCB, void* aClosure);
|
|
|
|
/**
|
|
* Callback for GetStrings
|
|
* @return false to stop enumeration, or true to continue
|
|
*/
|
|
typedef bool (*INIStringCallback)(const char* aString, const char* aValue,
|
|
void* aClosure);
|
|
|
|
/**
|
|
* Enumerate the strings within a section. If the section does
|
|
* not exist, this function will silently return.
|
|
*/
|
|
nsresult GetStrings(const char* aSection,
|
|
INIStringCallback aCB, void* aClosure);
|
|
|
|
/**
|
|
* Get the value of the specified key in the specified section
|
|
* of the INI file represented by this instance.
|
|
*
|
|
* @param aSection section name
|
|
* @param aKey key name
|
|
* @param aResult the value found
|
|
* @throws NS_ERROR_FAILURE if the specified section/key could not be
|
|
* found.
|
|
*/
|
|
nsresult GetString(const char* aSection, const char* aKey,
|
|
nsACString& aResult);
|
|
|
|
/**
|
|
* Alternate signature of GetString that uses a pre-allocated buffer
|
|
* instead of a nsACString (for use in the standalone glue before
|
|
* the glue is initialized).
|
|
*
|
|
* @throws NS_ERROR_LOSS_OF_SIGNIFICANT_DATA if the aResult buffer is not
|
|
* large enough for the data. aResult will be filled with as
|
|
* much data as possible.
|
|
*
|
|
* @see GetString [1]
|
|
*/
|
|
nsresult GetString(const char* aSection, const char* aKey,
|
|
char* aResult, uint32_t aResultLen);
|
|
|
|
private:
|
|
struct INIValue
|
|
{
|
|
INIValue(const char* aKey, const char* aValue)
|
|
: key(aKey)
|
|
, value(aValue)
|
|
{
|
|
}
|
|
|
|
const char* key;
|
|
const char* value;
|
|
mozilla::UniquePtr<INIValue> next;
|
|
};
|
|
|
|
nsClassHashtable<nsDepCharHashKey, INIValue> mSections;
|
|
mozilla::UniquePtr<char[]> mFileContents;
|
|
|
|
nsresult InitFromFILE(FILE* aFd);
|
|
};
|
|
|
|
#endif /* nsINIParser_h__ */
|