mirror of https://github.com/tailix/libkernaux.git
255 lines
8.8 KiB
C
255 lines
8.8 KiB
C
#include "main.h"
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#ifdef KERNAUX_VERSION_WITH_NTOA
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static VALUE rb_KernAux_utoa(int argc, const VALUE *argv, VALUE self);
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static VALUE rb_KernAux_itoa(int argc, const VALUE *argv, VALUE self);
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static VALUE rb_KernAux_utoa2(VALUE self, VALUE number);
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static VALUE rb_KernAux_itoa2(VALUE self, VALUE number);
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static VALUE rb_KernAux_utoa8(VALUE self, VALUE number);
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static VALUE rb_KernAux_itoa8(VALUE self, VALUE number);
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static VALUE rb_KernAux_utoa10(VALUE self, VALUE number);
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static VALUE rb_KernAux_itoa10(VALUE self, VALUE number);
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static VALUE rb_KernAux_utoa16(VALUE self, VALUE number);
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static VALUE rb_KernAux_itoa16(VALUE self, VALUE number);
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static ID rb_intern_b = Qnil;
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static ID rb_intern_B = Qnil;
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static ID rb_intern_h = Qnil;
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static ID rb_intern_H = Qnil;
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static ID rb_intern_o = Qnil;
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static ID rb_intern_O = Qnil;
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static ID rb_intern_d = Qnil;
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static ID rb_intern_D = Qnil;
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static ID rb_intern_x = Qnil;
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static ID rb_intern_X = Qnil;
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static VALUE rb_KernAux_InvalidNtoaBaseError = Qnil;
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static VALUE rb_KernAux_TooLongNtoaPrefixError = Qnil;
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static int convert_base(VALUE base);
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void init_ntoa()
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{
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rb_gc_register_mark_object(ID2SYM(rb_intern_b = rb_intern("b")));
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rb_gc_register_mark_object(ID2SYM(rb_intern_B = rb_intern("B")));
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rb_gc_register_mark_object(ID2SYM(rb_intern_h = rb_intern("h")));
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rb_gc_register_mark_object(ID2SYM(rb_intern_H = rb_intern("H")));
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rb_gc_register_mark_object(ID2SYM(rb_intern_o = rb_intern("o")));
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rb_gc_register_mark_object(ID2SYM(rb_intern_O = rb_intern("O")));
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rb_gc_register_mark_object(ID2SYM(rb_intern_d = rb_intern("d")));
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rb_gc_register_mark_object(ID2SYM(rb_intern_D = rb_intern("D")));
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rb_gc_register_mark_object(ID2SYM(rb_intern_x = rb_intern("x")));
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rb_gc_register_mark_object(ID2SYM(rb_intern_X = rb_intern("X")));
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rb_gc_register_mark_object(rb_KernAux_InvalidNtoaBaseError =
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rb_define_class_under(rb_KernAux, "InvalidNtoaBaseError",
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rb_KernAux_Error));
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rb_gc_register_mark_object(rb_KernAux_TooLongNtoaPrefixError =
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rb_define_class_under(rb_KernAux, "TooLongNtoaPrefixError",
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rb_KernAux_Error));
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rb_define_singleton_method(rb_KernAux, "utoa", rb_KernAux_utoa, -1);
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rb_define_singleton_method(rb_KernAux, "itoa", rb_KernAux_itoa, -1);
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rb_define_singleton_method(rb_KernAux, "utoa2", rb_KernAux_utoa2, 1);
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rb_define_singleton_method(rb_KernAux, "itoa2", rb_KernAux_itoa2, 1);
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rb_define_singleton_method(rb_KernAux, "utoa8", rb_KernAux_utoa8, 1);
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rb_define_singleton_method(rb_KernAux, "itoa8", rb_KernAux_itoa8, 1);
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rb_define_singleton_method(rb_KernAux, "utoa10", rb_KernAux_utoa10, 1);
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rb_define_singleton_method(rb_KernAux, "itoa10", rb_KernAux_itoa10, 1);
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rb_define_singleton_method(rb_KernAux, "utoa16", rb_KernAux_utoa16, 1);
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rb_define_singleton_method(rb_KernAux, "itoa16", rb_KernAux_itoa16, 1);
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}
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VALUE rb_KernAux_utoa(const int argc, const VALUE *argv, const VALUE self)
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{
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if (argc < 2 || argc > 3) {
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rb_raise(
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rb_eArgError,
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"wrong number of arguments (given %d, expected 2..3)",
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argc
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);
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}
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VALUE number_rb = argv[0];
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VALUE base_rb = argv[1];
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VALUE prefix_rb = argc == 3 ? argv[2] : Qnil;
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const uint64_t number = NUM2ULL(number_rb);
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if (rb_funcall(number_rb, rb_intern_LESS, 1, INT2FIX(0))) {
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rb_raise(rb_eRangeError, "can't convert negative number to uint64_t");
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}
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const char *prefix = NULL;
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long prefix_len = 0;
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if (!NIL_P(prefix_rb)) {
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prefix = StringValueCStr(prefix_rb);
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prefix_len = RSTRING_LEN(prefix_rb);
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if (prefix_len > KERNAUX_NTOA_MAX_PREFIX_LEN || prefix_len < 0) {
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rb_raise(
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rb_KernAux_TooLongNtoaPrefixError,
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"prefix length %ld is too long",
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prefix_len
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);
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}
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}
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char buffer[KERNAUX_UTOA_MIN_BUFFER_SIZE + prefix_len];
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kernaux_utoa(number, buffer, convert_base(base_rb), prefix);
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return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
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}
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VALUE rb_KernAux_itoa(const int argc, const VALUE *argv, const VALUE self)
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{
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if (argc < 2 || argc > 3) {
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rb_raise(
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rb_eArgError,
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"wrong number of arguments (given %d, expected 2..3)",
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argc
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);
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}
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VALUE number_rb = argv[0];
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VALUE base_rb = argv[1];
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VALUE prefix_rb = argc == 3 ? argv[2] : Qnil;
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const int64_t number = NUM2LL(number_rb);
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const char *prefix = NULL;
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long prefix_len = 0;
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if (!NIL_P(prefix_rb)) {
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prefix = StringValueCStr(prefix_rb);
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prefix_len = RSTRING_LEN(prefix_rb);
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if (prefix_len > KERNAUX_NTOA_MAX_PREFIX_LEN || prefix_len < 0) {
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rb_raise(
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rb_KernAux_TooLongNtoaPrefixError,
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"prefix length %ld is too long",
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prefix_len
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);
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}
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}
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char buffer[KERNAUX_ITOA_MIN_BUFFER_SIZE + prefix_len];
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kernaux_itoa(number, buffer, convert_base(base_rb), prefix);
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return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
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}
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VALUE rb_KernAux_utoa2(
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const VALUE self_rb KERNAUX_UNUSED,
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const VALUE number_rb
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) {
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const uint64_t number = NUM2ULL(number_rb);
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if (rb_funcall(number_rb, rb_intern_LESS, 1, INT2FIX(0))) {
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rb_raise(rb_eRangeError, "can't convert negative number to uint64_t");
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}
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char buffer[KERNAUX_UTOA2_BUFFER_SIZE];
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kernaux_utoa2(number, buffer);
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return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
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}
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VALUE rb_KernAux_itoa2(
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const VALUE self_rb KERNAUX_UNUSED,
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const VALUE number_rb
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) {
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const int64_t number = NUM2LL(number_rb);
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char buffer[KERNAUX_ITOA2_BUFFER_SIZE];
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kernaux_itoa2(number, buffer);
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return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
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}
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VALUE rb_KernAux_utoa8(
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const VALUE self_rb KERNAUX_UNUSED,
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const VALUE number_rb
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) {
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const uint64_t number = NUM2ULL(number_rb);
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if (rb_funcall(number_rb, rb_intern_LESS, 1, INT2FIX(0))) {
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rb_raise(rb_eRangeError, "can't convert negative number to uint64_t");
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}
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char buffer[KERNAUX_UTOA8_BUFFER_SIZE];
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kernaux_utoa8(number, buffer);
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return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
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}
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VALUE rb_KernAux_itoa8(
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const VALUE self_rb KERNAUX_UNUSED,
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const VALUE number_rb
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) {
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const int64_t number = NUM2LL(number_rb);
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char buffer[KERNAUX_ITOA8_BUFFER_SIZE];
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kernaux_itoa8(number, buffer);
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return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
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}
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VALUE rb_KernAux_utoa10(
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const VALUE self_rb KERNAUX_UNUSED,
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const VALUE number_rb
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) {
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const uint64_t number = NUM2ULL(number_rb);
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if (rb_funcall(number_rb, rb_intern_LESS, 1, INT2FIX(0))) {
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rb_raise(rb_eRangeError, "can't convert negative number to uint64_t");
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}
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char buffer[KERNAUX_UTOA10_BUFFER_SIZE];
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kernaux_utoa10(number, buffer);
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return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
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}
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VALUE rb_KernAux_itoa10(
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const VALUE self_rb KERNAUX_UNUSED,
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const VALUE number_rb
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) {
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const int64_t number = NUM2LL(number_rb);
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char buffer[KERNAUX_ITOA10_BUFFER_SIZE];
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kernaux_itoa10(number, buffer);
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return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
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}
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VALUE rb_KernAux_utoa16(
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const VALUE self_rb KERNAUX_UNUSED,
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const VALUE number_rb
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) {
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const uint64_t number = NUM2ULL(number_rb);
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if (rb_funcall(number_rb, rb_intern_LESS, 1, INT2FIX(0))) {
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rb_raise(rb_eRangeError, "can't convert negative number to uint64_t");
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}
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char buffer[KERNAUX_UTOA16_BUFFER_SIZE];
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kernaux_utoa16(number, buffer);
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return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
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}
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VALUE rb_KernAux_itoa16(
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const VALUE self_rb KERNAUX_UNUSED,
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const VALUE number_rb
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) {
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const int64_t number = NUM2LL(number_rb);
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char buffer[KERNAUX_ITOA16_BUFFER_SIZE];
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kernaux_itoa16(number, buffer);
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return rb_funcall(rb_str_new2(buffer), rb_intern_freeze, 0);
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}
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int convert_base(const VALUE base_rb)
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{
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if (TYPE(base_rb) == T_SYMBOL) {
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const ID base_id = SYM2ID(base_rb);
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if (base_id == rb_intern_b) return 'b';
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else if (base_id == rb_intern_B) return 'B';
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else if (base_id == rb_intern_h) return 'h';
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else if (base_id == rb_intern_H) return 'H';
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else if (base_id == rb_intern_o) return 'o';
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else if (base_id == rb_intern_O) return 'O';
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else if (base_id == rb_intern_d) return 'd';
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else if (base_id == rb_intern_D) return 'D';
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else if (base_id == rb_intern_x) return 'x';
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else if (base_id == rb_intern_X) return 'X';
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else {
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rb_raise(rb_KernAux_InvalidNtoaBaseError, "invalid base");
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}
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} else {
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return NUM2INT(base_rb);
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}
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}
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#endif // KERNAUX_VERSION_WITH_NTOA
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