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[4] | 1 | /**
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| 2 | * @file codec.h
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| 3 | * @author myusgun@gmail.com
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| 4 | * @brief codec
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| 5 | */
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| 6 | #ifndef __codec_h__
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| 7 | #define __codec_h__
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| 8 |
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| 9 | #include "cf/bin.h"
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| 10 | #include "cf/exception.h"
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| 11 |
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| 12 | #include <string>
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| 13 |
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| 14 | namespace cf
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| 15 | {
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| 16 | /**
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| 17 | * codec
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| 18 | */
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| 19 | namespace codec
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| 20 | {
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| 21 | /**
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| 22 | * interface
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| 23 | */
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| 24 | class ICodec
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| 25 | {
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| 26 | public:
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| 27 | /**
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| 28 | * encode(virtual)
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| 29 | * @return encoded string
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| 30 | * @param in input
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| 31 | * @throw cf::exception
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| 32 | */
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| 33 | virtual std::string encode(const bin & in) const
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| 34 | throw (cf::exception) = 0;
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| 35 |
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| 36 | /**
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| 37 | * decode(virtual)
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| 38 | * @return decoded binary
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| 39 | * @param in input
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| 40 | * @throw cf::exception
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| 41 | */
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| 42 | virtual bin decode(const std::string & in) const
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| 43 | throw (cf::exception) = 0;
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| 44 | };
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| 45 |
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| 46 | /**
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| 47 | * base64 encoder/decoder
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| 48 | */
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| 49 | class base64 : public ICodec
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| 50 | {
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| 51 | public:
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| 52 | /**
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| 53 | * get instance
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| 54 | * @return base64 instance
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| 55 | */
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| 56 | static base64 * getInstance();
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| 57 |
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| 58 | /**
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| 59 | * base64 encode
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| 60 | * @return base64 encoded string
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| 61 | * @param in input
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| 62 | * @throw cf::exception
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| 63 | */
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| 64 | std::string encode(const bin & in) const
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| 65 | throw (cf::exception);
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| 66 |
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| 67 | /**
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| 68 | * base64 decode
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| 69 | * @return base64 decoded binary
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| 70 | * @param in base64 string
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| 71 | * @throw cf::exception
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| 72 | */
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| 73 | bin decode(const std::string & in) const
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| 74 | throw (cf::exception);
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| 75 | };
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| 76 |
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| 77 | /**
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| 78 | * hex encoder/decoder
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| 79 | */
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| 80 | class hex : public ICodec
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| 81 | {
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| 82 | public:
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| 83 | /**
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| 84 | * get instance
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| 85 | * @return hex instance
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| 86 | */
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| 87 | static hex * getInstance();
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| 88 |
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| 89 | /**
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| 90 | * hex encode
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| 91 | * @return hex encoded string
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| 92 | * @param in input
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| 93 | * @throw cf::exception
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| 94 | */
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| 95 | std::string encode(const bin & in) const
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| 96 | throw (cf::exception);
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| 97 |
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| 98 | /**
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| 99 | * hex decode
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| 100 | * @return hex decoded binary
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| 101 | * @param in hex string
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| 102 | * @throw cf::exception
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| 103 | */
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| 104 | bin decode(const std::string & in) const
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| 105 | throw (cf::exception);
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| 106 | };
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| 107 | };
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| 108 | }
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| 109 |
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| 110 | #endif // #ifndef __codec_h__
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