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Merge pull request #337 from NeoKaios/feat/pic-example-on-hover
Example of displayed value on hover of `NUMERIC-EDITED` variables
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,202 @@ | ||
| (**************************************************************************) | ||
| (* *) | ||
| (* SuperBOL OSS Studio *) | ||
| (* *) | ||
| (* Copyright (c) 2022-2023 OCamlPro SAS *) | ||
| (* *) | ||
| (* All rights reserved. *) | ||
| (* This source code is licensed under the GNU Affero General Public *) | ||
| (* License version 3 found in the LICENSE.md file in the root directory *) | ||
| (* of this source tree. *) | ||
| (* *) | ||
| (**************************************************************************) | ||
|
|
||
| open Cobol_data.Picture | ||
| open TYPES | ||
|
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| let simple_insertion_char_of ~symbol = | ||
| match symbol with | ||
| | B -> ' ' | ||
| | Zero -> '0' | ||
| | Slant -> '/' | ||
| | DecimalSep -> '.' | ||
| | GroupingSep -> ',' | ||
| | _ -> Pretty.invalid_arg | ||
| "Not a simple insertion symbol '%a'" | ||
| pp_symbol symbol | ||
|
|
||
| let fixed_insertion_str_of ~symbol ~is_negative = | ||
| match symbol with | ||
| | CS -> "$" | ||
| | Plus | Minus when is_negative -> "-" | ||
| | Plus -> "+" | ||
| | Minus -> " " | ||
| | CR | DB when not is_negative -> " " | ||
| | CR -> "CR" | ||
| | DB -> "DB" | ||
| | _ -> Pretty.invalid_arg | ||
| "Not a fixed insertion symbol '%a'" | ||
| pp_symbol_cobolized symbol | ||
|
|
||
| let do_basic_edit_on ~is_negative basic s = | ||
| let (offset, insertion) = | ||
| match basic with | ||
| | SimpleInsertion | ||
| { simple_insertion_symbols = { symbol_occurences = n; symbol }; | ||
| simple_insertion_offset = offset } -> | ||
| offset, String.make n @@ simple_insertion_char_of ~symbol | ||
| | SpecialInsertion { special_insertion_offset = offset } -> | ||
| offset, "." | ||
| | FixedInsertion { fixed_insertion_symbol = symbol; fixed_insertion_offset = offset } -> | ||
| offset, fixed_insertion_str_of ~symbol ~is_negative | ||
| in | ||
| Str.string_before s offset | ||
| ^ insertion | ||
| ^ Str.string_after s offset | ||
|
|
||
| let all_repl_indexes_from ~ranges s digits = | ||
| let indexes = | ||
| ranges | ||
| |> List.rev_map begin fun { floating_range_offset = offset; | ||
| floating_range_length = len } -> | ||
| List.init len (fun i -> offset + i) | ||
| end | ||
| |> List.flatten |> List.sort Int.compare | ||
| in | ||
| let is_only_repl_char = List.length indexes >= digits in | ||
| let min_index = List.hd indexes in | ||
| let (_, (all_indexes, all_zero)) = String.fold_left | ||
| begin fun ((idx, (acc_repl, should_continue_repl)) as acc) ch -> | ||
| if not should_continue_repl then acc else | ||
| if List.mem idx indexes | ||
| then (idx+1, | ||
| if ch == '0' | ||
| then (idx::acc_repl, true) | ||
| else (acc_repl, false)) | ||
| else | ||
| if min_index < idx && List.mem ch [' '; ','] | ||
| then (idx+1, (idx::acc_repl, true)) | ||
| else (idx+1, (acc_repl, should_continue_repl)) | ||
| end (0, ([], true)) s | ||
| in all_indexes, all_zero && is_only_repl_char | ||
|
|
||
| let do_floatedit_n_zerorepl_on digits is_negative | ||
| symbol ranges s = | ||
| if ranges == [] then s else | ||
| let floating_last_ch = match symbol with | ||
| | Plus | Minus when is_negative -> '-' | ||
| | Plus -> '+' | ||
| | Minus -> ' ' | ||
| | CS -> '$' | ||
| | Z -> ' ' | ||
| | Star -> '*' | ||
| | _ -> Pretty.invalid_arg | ||
| "Floating edit or zero replacement symbol '%a' is invalid" | ||
| pp_symbol_cobolized symbol | ||
| in | ||
| let repl_ch = match symbol with | ||
| | Minus | Plus | CS | Z -> ' ' | ||
| | Star -> '*' | ||
| | _ -> Pretty.invalid_arg | ||
| "Floating edit or zero replacement symbol '%a' is invalid" | ||
| pp_symbol_cobolized symbol | ||
| in | ||
| let repl_str = String.make 1 repl_ch in | ||
| let all_repl_indexes, repl_everything = | ||
| all_repl_indexes_from ~ranges s digits in | ||
| if repl_everything | ||
| then | ||
| String.map begin fun ch -> | ||
| if ch == '.' && symbol == Star | ||
| then '.' | ||
| else repl_ch | ||
| end s | ||
| else | ||
| let (_, _, last_repl_idx, res) = String.fold_left | ||
| begin fun (i, after_decimal_point, last_repl_idx, res) ch -> | ||
| let orig_str = String.make 1 ch in | ||
| if after_decimal_point | ||
| then (i+1, after_decimal_point, last_repl_idx, res ^ orig_str) | ||
| else | ||
| if ch == '.' | ||
| then (i+1, true, last_repl_idx, res ^ ".") | ||
| else | ||
| if List.mem i all_repl_indexes | ||
| then (i+1, after_decimal_point, i, res ^ repl_str) | ||
| else (i+1, after_decimal_point, last_repl_idx, res ^ orig_str) | ||
| end (0, false, -1, "") s | ||
| in | ||
| String.mapi begin fun i ch -> | ||
| if i == last_repl_idx | ||
| then floating_last_ch | ||
| else ch | ||
| end | ||
| res | ||
|
|
||
| let rec edit_basics ~is_negative basics s = | ||
| match basics with | ||
| | [] -> s | ||
| | hd::tl -> | ||
| do_basic_edit_on ~is_negative hd s | ||
| |> edit_basics ~is_negative tl | ||
|
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||
| let simple_example_of ~digits ~scale ~with_dot value = | ||
| let str_val = string_of_float (Float.abs value) in | ||
| let i = String.index str_val '.' in | ||
| let whole_part = Str.string_before str_val i in | ||
| let whole_len = String.length whole_part in | ||
| let floating_part = Str.string_after str_val (i+1) in | ||
| let required_len = digits - scale in | ||
| (String.init required_len | ||
| (fun i -> | ||
| if i < required_len - whole_len | ||
| then '0' | ||
| else whole_part.[i - (required_len - whole_len)]) | ||
| ) | ||
| ^ (if scale > 0 | ||
| then | ||
| (if with_dot then "." else "") | ||
| ^ String.init scale | ||
| (fun i -> | ||
| if i < String.length floating_part | ||
| then floating_part.[i] | ||
| else '0') | ||
| else "") | ||
|
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||
| let example_of ~picture value = | ||
| if List.exists (fun { symbol; _ } -> symbol == P) picture.pic | ||
| then raise @@ Invalid_argument "No example with P yet" (* /!\ scale can be negative: PIC 9P *) | ||
| else | ||
| match picture.category with | ||
| | Alphabetic _ | Boolean _ | National _ | Alphanumeric _ -> "" | ||
| | FloatNum _ -> raise @@ Invalid_argument "No example for floatnum yet" | ||
| | FixedNum { digits; scale; with_sign; _ } | ||
| when not @@ is_edited picture -> | ||
| (if with_sign then "+" else "") | ||
| ^ simple_example_of ~digits ~scale ~with_dot:true value | ||
| | FixedNum { digits; scale; with_sign; | ||
| editions = { basics; floating; zerorepl } } -> | ||
| ignore (with_sign); | ||
| let is_negative = value < 0. in | ||
| let edit_zerorepl = Option.fold ~none:Fun.id | ||
| ~some:(fun { zero_replacement_symbol = symbol; | ||
| zero_replacement_ranges = ranges } -> | ||
| do_floatedit_n_zerorepl_on digits is_negative symbol ranges) | ||
| zerorepl in | ||
| let edit_floating = Option.fold ~none:Fun.id | ||
| ~some:(fun { floating_insertion_symbol = symbol; | ||
| floating_insertion_ranges = ranges } -> | ||
| do_floatedit_n_zerorepl_on digits is_negative symbol ranges) | ||
| floating in | ||
| try | ||
| (if Option.is_some floating | ||
| then "0" | ||
| else "") | ||
| ^ simple_example_of ~digits ~scale ~with_dot:false value | ||
| |> edit_basics ~is_negative:(value < 0.) basics | ||
| |> edit_zerorepl | ||
| |> edit_floating | ||
| with Invalid_argument e -> | ||
| Pretty.invalid_arg | ||
| "Unable to build example of picture, error '%s'" e |
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