71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file stringDecoder.h
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* @author drose
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* @date 2002-02-11
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*/
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#ifndef STRINGDECODER_H
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#define STRINGDECODER_H
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#include "dtoolbase.h"
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/**
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* The base class to a family of classes that decode various kinds of encoded
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* byte streams. Give it a string, then ask it to pull the characters out one
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* at a time. This also serves as the plain old byte-at-a-time decoder.
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*/
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class EXPCL_DTOOL_DTOOLUTIL StringDecoder {
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public:
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INLINE StringDecoder(const std::string &input);
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virtual ~StringDecoder();
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virtual char32_t get_next_character();
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INLINE bool is_eof();
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static void set_notify_ptr(std::ostream *ptr);
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static std::ostream *get_notify_ptr();
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protected:
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INLINE bool test_eof();
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std::string _input;
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size_t _p;
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bool _eof;
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static std::ostream *_notify_ptr;
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};
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/**
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* This decoder extracts utf-8 sequences.
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*/
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class StringUtf8Decoder : public StringDecoder {
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public:
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INLINE StringUtf8Decoder(const std::string &input);
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virtual char32_t get_next_character();
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};
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/**
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* This decoder extracts characters two at a time to get a plain wide
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* character sequence. It supports surrogate pairs.
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*/
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class StringUtf16Decoder : public StringDecoder {
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public:
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INLINE StringUtf16Decoder(const std::string &input);
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virtual char32_t get_next_character();
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};
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// Deprecated alias of StringUtf16Encoder.
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typedef StringUtf16Decoder StringUnicodeDecoder;
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#include "stringDecoder.I"
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#endif
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