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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /xpcom/glue/nsINIParser.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/glue/nsINIParser.h')
-rw-r--r--xpcom/glue/nsINIParser.h118
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diff --git a/xpcom/glue/nsINIParser.h b/xpcom/glue/nsINIParser.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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__ */