47 lines
1.9 KiB
Plaintext
47 lines
1.9 KiB
Plaintext
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(* Lens for the textual representation of Windows registry files, as used *)
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(* by wine etc. *)
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(* This is pretty quick and dirty, as it doesn't put a lot of finesse on *)
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(* splitting up values that have structure, e.g. hex arrays or *)
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(* collections of paths. *)
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module Wine =
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(* We handle Unix and DOS line endings, though we can only add one or the *)
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(* other to new lines. Maybe provide a function to gather that from the *)
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(* current file ? *)
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let eol = del /[ \t]*\r?\n/ "\n"
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let comment = [ label "#comment" . del /[ \t]*;;[ \t]*/ ";; "
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. store /([^ \t\r\n].*[^ \t\r\n]|[^ \t\r\n])/ . eol ]
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let empty = [ eol ]
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let dels = Util.del_str
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let del_ws = Util.del_ws_spc
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let header =
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[ label "registry" . store /[a-zA-Z0-9 \t]*[a-zA-Z0-9]/ ] .
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del /[ \t]*Version[ \t]*/ " Version " .
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[ label "version" . store /[0-9.]+/ ] . eol
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let qstr =
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let re = /([^"\n]|\\\\.)*/ - /@|"@"/ in (* " Relax, emacs *)
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dels "\"" . store re . dels "\""
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let typed_val =
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([ label "type" . store /dword|hex(\\([0-9]+\\))?/ ] . dels ":" .
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[ label "value" . store /[a-zA-Z0-9,()]+(\\\\\r?\n[ \t]*[a-zA-Z0-9,]+)*/])
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|([ label "type" . store /str\\([0-9]+\\)/ ] . dels ":" .
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dels "\"" . [ label "value" . store /[^"\n]*/ ] . dels "\"") (* " Relax, emacs *)
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let entry =
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let qkey = [ label "key" . qstr ] in
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let eq = del /[ \t]*=[ \t]*/ "=" in
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let qstore = [ label "value" . qstr ] in
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[ label "entry" . qkey . eq . (qstore|typed_val) . eol ]
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|[label "anon" . del /"?@"?/ "@" . eq . (qstore|typed_val) .eol ]
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let section =
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let ts = [ label "timestamp" . store Rx.integer ] in
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[ label "section" . del /[ \t]*\\[/ "[" .
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store /[^]\n]+/ . dels "]" . (del_ws . ts)? . eol .
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(entry|empty|comment)* ]
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let lns = header . (empty|comment)* . section*
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