1 | mruby-pack (pack / unpack)
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2 | =========
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3 |
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4 | mruby-pack provides `Array#pack` and `String#unpack` for mruby.
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5 |
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6 |
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7 | ## Installation
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8 | Add the line below into your `build_config.rb`:
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9 |
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10 | ```
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11 | conf.gem :github => 'iij/mruby-pack'
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12 | ```
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13 |
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14 | There is no dependency on other mrbgems.
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15 |
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16 |
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17 | ## Supported template string
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18 | - A : arbitrary binary string (space padded, count is width)
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19 | - a : arbitrary binary string (null padded, count is width)
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20 | - C : 8-bit unsigned (unsigned char)
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21 | - c : 8-bit signed (signed char)
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22 | - D, d: 64-bit float, native format
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23 | - E : 64-bit float, little endian byte order
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24 | - e : 32-bit float, little endian byte order
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25 | - F, f: 32-bit float, native format
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26 | - G : 64-bit float, network (big-endian) byte order
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27 | - g : 32-bit float, network (big-endian) byte order
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28 | - H : hex string (high nibble first)
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29 | - h : hex string (low nibble first)
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30 | - I : unsigned integer, native endian (`unsigned int` in C)
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31 | - i : signed integer, native endian (`int` in C)
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32 | - L : 32-bit unsigned, native endian (`uint32_t`)
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33 | - l : 32-bit signed, native endian (`int32_t`)
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34 | - m : base64 encoded string (see RFC 2045, count is width)
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35 | - N : 32-bit unsigned, network (big-endian) byte order
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36 | - n : 16-bit unsigned, network (big-endian) byte order
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37 | - Q : 64-bit unsigned, native endian (`uint64_t`)
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38 | - q : 64-bit signed, native endian (`int64_t`)
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39 | - S : 16-bit unsigned, native endian (`uint16_t`)
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40 | - s : 16-bit signed, native endian (`int16_t`)
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41 | - V : 32-bit unsigned, VAX (little-endian) byte order
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42 | - v : 16-bit unsigned, VAX (little-endian) byte order
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43 | - Z : same as "a", except that null is added with *
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44 |
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45 |
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46 | ## License
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47 |
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48 | Copyright (c) 2012 Internet Initiative Japan Inc.
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49 |
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50 | Permission is hereby granted, free of charge, to any person obtaining a
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51 | copy of this software and associated documentation files (the "Software"),
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52 | to deal in the Software without restriction, including without limitation
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53 | the rights to use, copy, modify, merge, publish, distribute, sublicense,
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54 | and/or sell copies of the Software, and to permit persons to whom the
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55 | Software is furnished to do so, subject to the following conditions:
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56 |
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57 | The above copyright notice and this permission notice shall be included in
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58 | all copies or substantial portions of the Software.
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59 |
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60 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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61 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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62 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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63 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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64 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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65 | FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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66 | DEALINGS IN THE SOFTWARE.
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67 |
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