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Red/System [ | |
Title: "Form" | |
Purpose: {formats an integer in a c-string, as signed decimal or as hex} | |
Author: "Rudolf W. MEIJER" | |
File: %form-number.reds | |
Version: 0.7 | |
Date: 27-May-2011 | |
Notes: {Improved version, not final} | |
] |
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Red/System [ | |
Title: "String functions" | |
Purpose: {proposed library functions for c-string manipulation} | |
Author: "Rudolf W. MEIJER" | |
File: %stringf.reds | |
Version: 0.1.0 | |
Date: 27-May-2011 | |
] | |
#import [ |
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REBOL [ | |
Title: "Grammar for Red/System lexical analysis" | |
Date: 1-Jul-2011 | |
Name: "reds-lex-grammar" | |
Version: 1.0.0 | |
File: %/G/Projects/Common/RED/red-system/sources/reds-lexer/reds-lex-grammar.r | |
Home: http://users.telenet.be/rwmeijer | |
Author: "Rudolf W. Meijer" |
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REBOL [ | |
Title: "Red/System lexical analysis" | |
Date: 1-Jul-2011 | |
Name: "Reds lexer" | |
Type: none | |
Version: 1.0.0 | |
File: %/G/Projects/Common/RED/red-system/sources/reds-lexer/reds-lexer.r | |
Home: http://users.telenet.be/rwmeijer |
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REBOL [] | |
utf8-to-codepoint: func [ ; yields an integer >= 0 and < 1114112, or none | |
u [binary!] ; should have length 1 to 4 | |
/local b1 b2 b3 b4 | |
][ | |
switch/default length? u [ | |
1 [ | |
b1: u/1 | |
either b1 < 128 [ |
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Red/System [] | |
utf8-to-codepoint: func [ ; yields an integer >= 0 and < 1114112, or -1 | |
u [c-string!] ; should have length 1 to 4 | |
/local b1 b2 b3 b4 | |
][ | |
either 1 = length? u | |
[ | |
b1: as-integer u/1 | |
either b1 < 128 [ |
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REBOL [] | |
utf8-to-cps: func [ ; yields a block of integers >= 0 and < 1114112 | |
; coding errors are skipped | |
u [binary!] | |
/local bcp b1 b2 b3 b4 | |
][ | |
bcp: make block! length? u ; overestimated | |
while [not tail? u][ | |
b1: u/1 |
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Red/System [] | |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
; function utf8-to-cps (cps = codepoints) | |
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
; This function decodes UTF-8 information supplied as bytes in argument u | |
; and uses the argument res to store the array of codepoints | |
; (integers >= 0 and < 10FFFFh); the space for this array should have been | |
; allocated by the caller; an upper limit for the size of the array in bytes |
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Red [ | |
Title: "Split mezzanine" | |
Purpose: {split a string} | |
Author: "Rudolf W. MEIJER" | |
File: %split.red | |
Version: "0.0.0" | |
Date: "10-May-2015" | |
Rights: "(c) Copyright 2015 Rudolf W. MEIJER" | |
License: "TBD" ; source license (URL or full text) | |
] |
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Red [ | |
Title: "Tile game" | |
Purpose: {An implementation in Red of the 4x4 sliding tile puzzle} | |
Author: "Rudolf W. MEIJER (meijeru)" | |
File: %tile-game.red | |
Needs: 'View | |
Usage: { | |
Click on any tile that is adjacent to the empty space | |
and it will shift to that space. | |
Try to obtain a given configuration, e.g. 1 to 15 in order. |
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