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use scad to reduce deps

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Justin Lin
2020-01-26 17:05:05 +08:00
parent a5772f7ee6
commit 67a5465e09
3 changed files with 22 additions and 18 deletions
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18
src/util/_impl/_parse_number_impl.scad Normal file
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@@ -0,0 +1,18 @@
use <../sub_str.scad>;
use <../split_str.scad>;
function _str_to_int(t) = ord(t) - 48;
function _parse_positive_int(t, value = 0, i = 0) =
i == len(t) ? value : _parse_positive_int(t, value * pow(10, i) + _str_to_int(t[i]), i + 1);
function _parse_positive_decimal(t, value = 0, i = 0) =
i == len(t) ? value : _parse_positive_decimal(t, value + _str_to_int(t[i]) * pow(10, -(i + 1)), i + 1);
function _parse_positive_number(t) =
len(search(".", t)) == 0 ? _parse_positive_int(t) :
_parse_positive_int(split_str(t, ".")[0]) + _parse_positive_decimal(split_str(t, ".")[1]);
function _parse_number_impl(t) =
t[0] == "-" ? -_parse_positive_number(sub_str(t, 1, len(t))) : _parse_positive_number(t);

16
src/util/parse_number.scad
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@@ -7,19 +7,7 @@
* @see https://openhome.cc/eGossip/OpenSCAD/lib2-parse_number.html * @see https://openhome.cc/eGossip/OpenSCAD/lib2-parse_number.html
* *
**/ **/
function _str_to_int(t) = ord(t) - 48;
function _parse_positive_int(t, value = 0, i = 0) =
i == len(t) ? value : _parse_positive_int(t, value * pow(10, i) + _str_to_int(t[i]), i + 1);
function _parse_positive_decimal(t, value = 0, i = 0) = use <_impl/_parse_number_impl.scad>;
i == len(t) ? value : _parse_positive_decimal(t, value + _str_to_int(t[i]) * pow(10, -(i + 1)), i + 1);
function _parse_positive_number(t) =
len(search(".", t)) == 0 ? _parse_positive_int(t) :
_parse_positive_int(split_str(t, ".")[0]) + _parse_positive_decimal(split_str(t, ".")[1]);
function parse_number(t) = function parse_number(t) = _parse_number_impl(t);
t[0] == "-" ? -_parse_positive_number(sub_str(t, 1, len(t))) : _parse_positive_number(t);

6
test/util/test_parse_number.scad
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@@ -1,7 +1,5 @@
include <unittest.scad>; use <unittest.scad>;
include <util/sub_str.scad>; use <util/parse_number.scad>;
include <util/split_str.scad>;
include <util/parse_number.scad>;
module test_parse_number() { module test_parse_number() {
echo("==== test_parse_number ===="); echo("==== test_parse_number ====");