diff options
Diffstat (limited to '')
4 files changed, 244 insertions, 0 deletions
diff --git a/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/mrbgem.rake b/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/mrbgem.rake new file mode 100644 index 0000000..e6fa7df --- /dev/null +++ b/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/mrbgem.rake @@ -0,0 +1,5 @@ +MRuby::Gem::Specification.new('mruby-range-ext') do |spec| + spec.license = 'MIT' + spec.author = 'mruby developers' + spec.summary = 'Range class extension' +end diff --git a/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/mrblib/range.rb b/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/mrblib/range.rb new file mode 100644 index 0000000..e5d1fb0 --- /dev/null +++ b/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/mrblib/range.rb @@ -0,0 +1,31 @@ +class Range + ## + # call-seq: + # rng.first -> obj + # rng.first(n) -> an_array + # + # Returns the first object in the range, or an array of the first +n+ + # elements. + # + # (10..20).first #=> 10 + # (10..20).first(3) #=> [10, 11, 12] + # + def first(*args) + return self.begin if args.empty? + + raise ArgumentError, "wrong number of arguments (given #{args.length}, expected 1)" unless args.length == 1 + nv = args[0] + raise TypeError, "no implicit conversion from nil to integer" if nv.nil? + raise TypeError, "no implicit conversion of #{nv.class} into Integer" unless nv.respond_to?(:to_int) + n = nv.to_int + raise TypeError, "no implicit conversion of #{nv.class} into Integer" unless n.kind_of?(Integer) + raise ArgumentError, "negative array size (or size too big)" unless 0 <= n + ary = [] + each do |i| + break if n <= 0 + ary.push(i) + n -= 1 + end + ary + end +end diff --git a/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/src/range.c b/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/src/range.c new file mode 100644 index 0000000..aca71cc --- /dev/null +++ b/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/src/range.c @@ -0,0 +1,176 @@ +#include <mruby.h> +#include <mruby/range.h> +#include <math.h> + +static mrb_bool +r_le(mrb_state *mrb, mrb_value a, mrb_value b) +{ + mrb_value r = mrb_funcall(mrb, a, "<=>", 1, b); /* compare result */ + /* output :a < b => -1, a = b => 0, a > b => +1 */ + + if (mrb_fixnum_p(r)) { + mrb_int c = mrb_fixnum(r); + if (c == 0 || c == -1) return TRUE; + } + + return FALSE; +} + +static mrb_bool +r_lt(mrb_state *mrb, mrb_value a, mrb_value b) +{ + mrb_value r = mrb_funcall(mrb, a, "<=>", 1, b); + /* output :a < b => -1, a = b => 0, a > b => +1 */ + + return mrb_fixnum_p(r) && mrb_fixnum(r) == -1; +} + +/* + * call-seq: + * rng.cover?(obj) -> true or false + * + * Returns <code>true</code> if +obj+ is between the begin and end of + * the range. + * + * This tests <code>begin <= obj <= end</code> when #exclude_end? is +false+ + * and <code>begin <= obj < end</code> when #exclude_end? is +true+. + * + * ("a".."z").cover?("c") #=> true + * ("a".."z").cover?("5") #=> false + * ("a".."z").cover?("cc") #=> true + */ +static mrb_value +mrb_range_cover(mrb_state *mrb, mrb_value range) +{ + mrb_value val; + struct RRange *r = mrb_range_ptr(mrb, range); + mrb_value beg, end; + + mrb_get_args(mrb, "o", &val); + + beg = r->edges->beg; + end = r->edges->end; + + if (r_le(mrb, beg, val)) { + if (r->excl) { + if (r_lt(mrb, val, end)) + return mrb_true_value(); + } + else { + if (r_le(mrb, val, end)) + return mrb_true_value(); + } + } + + return mrb_false_value(); +} + +/* + * call-seq: + * rng.last -> obj + * rng.last(n) -> an_array + * + * Returns the last object in the range, + * or an array of the last +n+ elements. + * + * Note that with no arguments +last+ will return the object that defines + * the end of the range even if #exclude_end? is +true+. + * + * (10..20).last #=> 20 + * (10...20).last #=> 20 + * (10..20).last(3) #=> [18, 19, 20] + * (10...20).last(3) #=> [17, 18, 19] + */ +static mrb_value +mrb_range_last(mrb_state *mrb, mrb_value range) +{ + mrb_value num; + mrb_value array; + struct RRange *r = mrb_range_ptr(mrb, range); + + if (mrb_get_args(mrb, "|o", &num) == 0) { + return r->edges->end; + } + + array = mrb_funcall(mrb, range, "to_a", 0); + return mrb_funcall(mrb, array, "last", 1, mrb_to_int(mrb, num)); +} + +/* + * call-seq: + * rng.size -> num + * + * Returns the number of elements in the range. Both the begin and the end of + * the Range must be Numeric, otherwise nil is returned. + * + * (10..20).size #=> 11 + * ('a'..'z').size #=> nil + */ + +static mrb_value +mrb_range_size(mrb_state *mrb, mrb_value range) +{ + struct RRange *r = mrb_range_ptr(mrb, range); + mrb_value beg, end; + mrb_float beg_f, end_f; + mrb_bool num_p = TRUE; + mrb_bool excl; + + beg = r->edges->beg; + end = r->edges->end; + excl = r->excl; + if (mrb_fixnum_p(beg)) { + beg_f = (mrb_float)mrb_fixnum(beg); + } + else if (mrb_float_p(beg)) { + beg_f = mrb_float(beg); + } + else { + num_p = FALSE; + } + if (mrb_fixnum_p(end)) { + end_f = (mrb_float)mrb_fixnum(end); + } + else if (mrb_float_p(end)) { + end_f = mrb_float(end); + } + else { + num_p = FALSE; + } + if (num_p) { + mrb_float n = end_f - beg_f; + mrb_float err = (fabs(beg_f) + fabs(end_f) + fabs(end_f-beg_f)) * MRB_FLOAT_EPSILON; + + if (err>0.5) err=0.5; + if (excl) { + if (n<=0) return mrb_fixnum_value(0); + if (n<1) + n = 0; + else + n = floor(n - err); + } + else { + if (n<0) return mrb_fixnum_value(0); + n = floor(n + err); + } + if (isinf(n+1)) + return mrb_float_value(mrb, INFINITY); + return mrb_fixnum_value((mrb_int)n+1); + } + return mrb_nil_value(); +} + +void +mrb_mruby_range_ext_gem_init(mrb_state* mrb) +{ + struct RClass * s = mrb_class_get(mrb, "Range"); + + mrb_define_method(mrb, s, "cover?", mrb_range_cover, MRB_ARGS_REQ(1)); + mrb_define_method(mrb, s, "last", mrb_range_last, MRB_ARGS_OPT(1)); + mrb_define_method(mrb, s, "size", mrb_range_size, MRB_ARGS_NONE()); +} + +void +mrb_mruby_range_ext_gem_final(mrb_state* mrb) +{ +} diff --git a/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/test/range.rb b/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/test/range.rb new file mode 100644 index 0000000..efcbdab --- /dev/null +++ b/debian/vendor-h2o/deps/mruby/mrbgems/mruby-range-ext/test/range.rb @@ -0,0 +1,32 @@ +## +# Range(Ext) Test + +assert('Range#cover?') do + assert_true ("a".."z").cover?("c") + assert_true !("a".."z").cover?("5") + assert_true ("a".."z").cover?("cc") +end + +assert('Range#first') do + assert_equal 10, (10..20).first + assert_equal [10, 11, 12], (10..20).first(3) + assert_equal [0, 1, 2], (0..Float::INFINITY).first(3) +end + +assert('Range#last') do + assert_equal 20, (10..20).last + assert_equal 20, (10...20).last + assert_equal [18, 19, 20], (10..20).last(3) + assert_equal [17, 18, 19], (10...20).last(3) +end + +assert('Range#size') do + assert_equal 42, (1..42).size + assert_equal 41, (1...42).size + assert_equal 6, (1...6.3).size + assert_equal 5, (1...6.0).size + assert_equal 5, (1.1...6).size + assert_equal 15, (1.0..15.9).size + assert_equal Float::INFINITY, (0..Float::INFINITY).size + assert_nil ('a'..'z').size +end |