Storage Kit: Streamline CharStream and make it use BString.

headers/build/private/storage/CharStream.h

@@ -0,0 +1 @@
+#include <../private/storage/CharStream.h>

headers/build/private/storage/sniffer/CharStream.h

@@ -1 +0,0 @@
-#include <../../../private/storage/sniffer/CharStream.h>

headers/private/storage/CharStream.h

@@ -0,0 +1,101 @@
+/*
+ * Copyright 2002-2026, Haiku, Inc. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _CHAR_STREAM_H
+#define _CHAR_STREAM_H
+
+
+#include <String.h>
+
+
+namespace BPrivate {
+
+
+//! Manages a stream of characters.
+class CharStream {
+public:
+	CharStream(const BString& source)
+		:
+		fString(source),
+		fPos(0)
+	{
+	}
+
+	inline char Get();
+	inline void Unget();
+
+	inline status_t SetTo(const BString& source);
+	inline bool IsEmpty() const;
+	
+	inline int32 Pos() const { return fPos; }
+
+private:
+	BString fString;
+	int32 fPos;
+};
+
+
+/*! Returns the next character in the stream.
+
+	Also increments the position in the stream. Call Unget() to
+	undo this operation.
+
+	If the end of the stream has been reached, the position marker
+	is still incremented, but an end of text char (\c 0x03) is returned.
+*/
+char
+CharStream::Get()
+{
+	if (fPos < fString.Length())
+		return fString[fPos++];
+
+	fPos++;
+	return 0x3;
+}
+
+
+/*! Shifts the stream position back one character. */
+void
+CharStream::Unget()
+{
+	if (fPos > 0) {
+		fPos--;
+		return;
+	}
+
+	throw (status_t)B_BUFFER_OVERFLOW;
+}
+
+
+/*! \brief Reinitializes the character stream to the given string
+
+	The stream position is reset to the beginning of the stream.
+
+	\param string The new character string to be streamed
+	\return Returns \c B_OK
+*/
+status_t
+CharStream::SetTo(const BString& string)
+{
+	fString = string;
+	fPos = 0;
+	return B_OK;
+}
+
+
+/*! \brief Returns \c true if there are no more characters in the stream.
+
+	If the stream is unitialized, \c true is also returned.
+*/
+bool
+CharStream::IsEmpty() const
+{
+	return fPos >= fString.Length();
+}
+
+
+}	// namespace BPrivate
+
+
+#endif // _CHAR_STREAM_H

headers/private/storage/sniffer/CharStream.h

@@ -1,56 +0,0 @@
-//----------------------------------------------------------------------
-//  This software is part of the Haiku distribution and is covered
-//  by the MIT License.
-//---------------------------------------------------------------------
-/*!
-	\file sniffer/CharStream.h
-	Character stream class
-*/
-#ifndef _SNIFFER_CHAR_STREAM_H
-#define _SNIFFER_CHAR_STREAM_H
-
-#include <SupportDefs.h>
-
-#include <string>
-
-namespace BPrivate {
-namespace Storage {
-namespace Sniffer {
-
-//! Manages a stream of characters
-/*! CharStream is used by the scanner portion of the parser, which is implemented
-	in TokenStream::SetTo().
-	
-	It's also used by BPrivate::TRoster while parsing through the the
-	roster's RosterSettings file.
-*/
-class CharStream {
-public:
-	CharStream(const std::string &string);
-	CharStream();
-	virtual ~CharStream();
-	
-	status_t SetTo(const std::string &string);
-	void Unset();
-	status_t InitCheck() const;
-	bool IsEmpty() const;
-	size_t Pos() const;
-	const std::string& String() const;
-	
-	char Get();
-	void Unget();
-
-private:
-	std::string fString;
-	size_t fPos;
-	status_t fCStatus;
-	
-	CharStream(const CharStream &ref);
-	CharStream& operator=(const CharStream &ref);
-};
-
-};	// namespace Sniffer
-};	// namespace Storage
-};	// namespace BPrivate
-
-#endif // _SNIFFER_CHAR_STREAM_H

src/build/libbe/storage/Jamfile

@@ -54,7 +54,6 @@ BuildPlatformMergeObjectPIC <libbe_build>storage_kit.o :
 	TextSnifferAddon.cpp
 
 	# sniffer
-	CharStream.cpp
 	Err.cpp
 	DisjList.cpp
 	Pattern.cpp

src/kits/storage/Jamfile

@@ -57,7 +57,6 @@ for architectureObject in [ MultiArchSubDirSetup ] {
 			storage_support.cpp
 
 			# sniffer
-			CharStream.cpp
 			Err.cpp
 			DisjList.cpp
 			Pattern.cpp

src/kits/storage/sniffer/CharStream.cpp

@@ -1,134 +0,0 @@
-#include <sniffer/CharStream.h>
-#include "Err.h"
-
-using namespace BPrivate::Storage::Sniffer;
-
-//------------------------------------------------------------------------------
-// CharStream
-//------------------------------------------------------------------------------
-
-/*! \brief Creates a new, initialized character stream
-
-	\param string The character string to be streamed
-*/
-CharStream::CharStream(const std::string &string)
-	: fString(string)
-	, fPos(0)
-	, fCStatus(B_OK)		
-{
-}
-
-/*! \brief Creates a new, unitialized character stream
-
-	Call SetTo() to initialize the stream.
-*/
-CharStream::CharStream()
-	: fString("")
-	, fPos(0)
-	, fCStatus(B_NO_INIT)
-{
-}
-
-/*! \brief Destroys the character stream
-*/
-CharStream::~CharStream() {
-	Unset();
-}
-
-/*! \brief Reinitializes the character stream to the given string
-
-	The stream position is reset to the beginning of the stream.
-
-	\param string The new character string to be streamed
-	\return Returns \c B_OK
-*/
-status_t
-CharStream::SetTo(const std::string &string) {
-	fString = string;
-	fPos = 0;
-	fCStatus = B_OK;
-	return fCStatus;
-}
-
-/*! \brief Unitializes the stream
-*/
-void
-CharStream::Unset() {
-	fString = "";
-	fPos = 0;
-	fCStatus = B_NO_INIT;
-}
-	
-/*! \brief Returns the current status of the stream
-
-	\return
-	- \c B_OK: Ready and initialized
-	- \c B_NO_INIT: Unitialized
-*/
-status_t
-CharStream::InitCheck() const {
-	return fCStatus;
-}
-
-/*! \brief Returns \c true if there are no more characters in the stream.
-
-	If the stream is unitialized, \c true is also returned.
-*/
-bool
-CharStream::IsEmpty() const {
-	return fPos >= fString.length();
-}
-
-/*! \brief Returns the current offset of the stream into the original string.
-
-	If the stream is unitialized, zero is returned.
-*/
-size_t
-CharStream::Pos() const {
-	return fPos;
-}
-
-/*! \brief Returns the entire string being streamed.
-*/
-const std::string&
-CharStream::String() const {
-	return fString;
-}
-
-/*! Returns the next character in the stream.
-
-	Also increments the position in the stream. Call Unget() to
-	undo this operation.
-
-	Throws a BPrivate::Storage::Sniffer::Err exception if the stream is
-	unitialized. If the end of the stream has been reached, the position
-	marker is still incremented, but an end of text	char (\c 0x03) is
-	returned.
-*/
-char
-CharStream::Get() {
-	if (fCStatus != B_OK)
-		throw new Err("Sniffer parser error: CharStream::Get() called on uninitialized CharStream object", -1);
-	if (fPos < fString.length()) 
-		return fString[fPos++];
-	else {
-		fPos++;		// Increment fPos to keep Unget()s consistent
-		return 0x3;	// Return End-Of-Text char
-	}
-}
-
-/*! Shifts the stream position back one character.
-
-	Throws a BPrivate::Storage::Sniffer::Err exception if the stream is
-	unitialized or there are no more characters to unget.
-*/
-void
-CharStream::Unget() {
-	if (fCStatus != B_OK)
-		throw new Err("Sniffer parser error: CharStream::Unget() called on uninitialized CharStream object", -1);
-	if (fPos > 0) 
-		fPos--;
-	else
-		throw new Err("Sniffer parser error: CharStream::Unget() called at beginning of character stream", -1);
-}
-

src/kits/storage/sniffer/Parser.cpp

@@ -81,7 +81,8 @@ Token::Type() const {
 }
 
 const std::string&
-Token::String() const {
+Token::String() const
+{
 	throw new Err("Sniffer scanner error: Token::String() called on non-string token", fPos);
 }
 
@@ -212,7 +213,7 @@ FloatToken::Float() const {
 // TokenStream
 //------------------------------------------------------------------------------
 
-TokenStream::TokenStream(const std::string &string)
+TokenStream::TokenStream(const BString &string)
 	: fCStatus(B_NO_INIT)
 	, fPos(-1)
 	, fStrLen(-1)
@@ -232,12 +233,10 @@ TokenStream::~TokenStream() {
 }
 	
 status_t
-TokenStream::SetTo(const std::string &string) {
+TokenStream::SetTo(const BString& string) {
 	Unset();
-	fStrLen = string.length();
+	fStrLen = string.Length();
 	CharStream stream(string);
-	if (stream.InitCheck() != B_OK) 
-		throw new Err("Sniffer scanner error: Unable to intialize character stream", -1);
 	
 	typedef enum TokenStreamScannerState {
 		tsssStart,

src/kits/storage/sniffer/Parser.h

@@ -10,7 +10,7 @@
 #define _SNIFFER_PARSER_H
 
 #include <SupportDefs.h>
-#include <sniffer/CharStream.h>
+#include <CharStream.h>
 #include <List.h>
 #include <string>
 #include <vector>
@@ -135,11 +135,11 @@ protected:
 */
 class TokenStream {
 public:
-	TokenStream(const std::string &string);
+	TokenStream(const BString &string);
 	TokenStream();
 	~TokenStream();
 	
-	status_t SetTo(const std::string &string);
+	status_t SetTo(const BString &string);
 	void Unset();
 	status_t InitCheck() const;
 	

src/servers/registrar/RosterSettingsCharStream.cpp

@@ -10,7 +10,6 @@
 #include "RosterSettingsCharStream.h"
 
 #include <StorageDefs.h>
-
 #include <stdio.h>
 
 #include "Debug.h"
@@ -24,19 +23,17 @@ const status_t RosterSettingsCharStream::kComment;
 const status_t RosterSettingsCharStream::kUnexpectedState;
 const status_t RosterSettingsCharStream::kStringTooLong;
 
-using namespace BPrivate::Storage::Sniffer;
 
-
-RosterSettingsCharStream::RosterSettingsCharStream(const std::string &string)
+RosterSettingsCharStream::RosterSettingsCharStream(const BString& string)
 	:
-	CharStream(string)
+	BPrivate::CharStream(string)
 {
 }
 
 
 RosterSettingsCharStream::RosterSettingsCharStream()
 	:
-	CharStream()
+	BPrivate::CharStream(BString())
 {
 }
 
@@ -85,9 +82,7 @@ status_t
 RosterSettingsCharStream::GetString(char *result)
 {
 	status_t error = result ? B_OK : B_BAD_VALUE;
-	if (!error)
-		error = InitCheck();
-	if (error)
+	if (error != B_OK)
 		return error;
 
 	enum RosterSettingsScannerState {

src/servers/registrar/RosterSettingsCharStream.h

@@ -30,7 +30,7 @@
 #ifndef _ROSTER_SETTINGS_CHAR_STREAM_H
 #define _ROSTER_SETTINGS_CHAR_STREAM_H
 
-#include <sniffer/CharStream.h>
+#include <CharStream.h>
 #include <SupportDefs.h>
 
 #include <string>
@@ -50,9 +50,9 @@
 	used when a valid string containing invalid data is discovered in the middle
 	of a line.
 */
-class RosterSettingsCharStream : public BPrivate::Storage::Sniffer::CharStream {
+class RosterSettingsCharStream : public BPrivate::CharStream {
 public:
-	RosterSettingsCharStream(const std::string &string);
+	RosterSettingsCharStream(const BString& string);
 	RosterSettingsCharStream();
 	virtual ~RosterSettingsCharStream();
 	

src/servers/registrar/TRoster.cpp

@@ -1885,7 +1885,7 @@ TRoster::_LoadRosterSettings(const char* path)
 	}
 	if (!error) {
 		data[size] = 0;
-		error = stream.SetTo(std::string(data));
+		error = stream.SetTo(BString(data));
 	}
 
 	delete[] data;