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136 lines
3.6 KiB
Scheme
136 lines
3.6 KiB
Scheme
(import chicken scheme)
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(use colorize irregex srfi-13 files)
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(define *file* (cadr (argv)))
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(define *file-contents* (read-string))
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(define (guess-type-by-file-extension filename)
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(and-let* ((extension (pathname-extension (make-pathname "" filename))))
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(case (string->symbol extension)
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((scm) 'scheme)
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((lisp) 'lisp)
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((el) 'elisp)
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((c h) 'c)
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((cpp) 'c++)
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((java) 'java)
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((m) 'objective-c)
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((erl) 'erlang)
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((py) 'python)
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((rb) 'ruby)
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((hs) 'haskell)
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((diff) 'diff)
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((css) 'css)
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((xml) 'xml)
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((xhtml) 'xhtml)
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((html) 'html)
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(else #f))))
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(define (guess-type-by-emacs-major-mode-variable file-contents)
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(define (file-local-variables file-contents)
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(and-let* ((match (irregex-search (irregex "^.*-\\*-.+-\\*-") file-contents)))
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(irregex-search (irregex "-\\*-.+-\\*-") (irregex-match-substring match))))
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(define (single-word-mode-line vars)
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(irregex-match (irregex "\\s*\\w+\\s*") vars))
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(define (mode-variable vars)
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(irregex-search (irregex "mode:\\s*\\w+") vars))
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(case (and-let* ((vars-match (file-local-variables file-contents))
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(var-string (irregex-match-substring vars-match))
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(vars (string-downcase
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(substring var-string 3 (- (string-length var-string) 3)))))
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(cond (#f #f)
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((single-word-mode-line vars) =>
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(compose string->symbol string-trim-both irregex-match-substring))
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((mode-variable vars) =>
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(lambda (match)
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;; remove mode: and trim
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(string->symbol
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(string-trim-both (substring (irregex-match-substring match) 5)))))
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(else #f)))
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((scheme) 'scheme)
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((lisp) 'lisp)
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((common-lisp) 'common-lisp)
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((emacs-lisp) 'elisp)
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((c h) 'c)
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((c++) 'c++)
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((java) 'java)
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((erlang) 'erlang)
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((python) 'python)
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((ruby) 'ruby)
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((haskell) 'haskell)
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((diff) 'diff)
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((css) 'css)
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((xml) 'xml)
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((xhtml) 'xhtml)
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((html) 'html)
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(else #f)))
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(let ((type (or (guess-type-by-file-extension *file*)
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(guess-type-by-emacs-major-mode-variable *file-contents*))))
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(if (not type)
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(begin (display *file-contents*) (exit 0))
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(begin
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(display
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"<style>
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.code-highlight .symbol,.code-highlight .default,.code-highlight .comment {
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background-color: white;
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color:#59443C;
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font-weight:400;
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}
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.code-highlight i {
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font-style:normal;
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}
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.code-highlight i .symbol {
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color:#B64926;
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}
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.code-highlight .paren1,.code-highlight .paren2,.code-highlight .paren3,.code-highlight .paren4,.code-highlight .paren5,.code-highlight .paren6 {
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background-color:inherit;
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}
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.code-highlight .paren1:hover,.code-highlight .paren2:hover,.code-highlight .paren3:hover,.code-highlight .paren4:hover,.code-highlight .paren5:hover,.code-highlight .paren6:hover {
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color:#FFF;
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font-weight:700;
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}
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.code-highlight .paren1:hover {
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background-color:#DB7859;
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}
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.code-highlight .paren2:hover {
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background-color:#1B804C;
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}
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.code-highlight .paren3:hover {
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background-color:#9F214E;
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}
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.code-highlight .paren4:hover {
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background-color:#DBA059;
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}
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.code-highlight .paren5:hover {
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background-color:#B64926;
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}
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.code-highlight .paren6:hover {
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background-color:#64A422;
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}
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.code-highlight .comment {
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color:#8C8281;
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font-style:italic;
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}
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</style>")
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(display "<span class=\"code-highlight\">")
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(display
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(html-colorize type *file-contents*))
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(display "</span>"))))
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(exit 0)
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