mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Yukihiro "Matz" Matsumoto
103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
#include <mruby.h>
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#ifdef MRB_DISABLE_STDIO
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# error print conflicts 'MRB_DISABLE_STDIO' configuration in your 'build_config.rb'
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#endif
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#include <mruby/string.h>
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#include <string.h>
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#include <stdlib.h>
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#if defined(_WIN32)
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# include <windows.h>
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# include <io.h>
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#ifdef _MSC_VER
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# define isatty(x) _isatty(x)
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# define fileno(x) _fileno(x)
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#endif
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#endif
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static void
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printstr(mrb_state *mrb, const char *p, size_t len)
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{
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#if defined(_WIN32)
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if (isatty(fileno(stdout))) {
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DWORD written;
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int wlen = MultiByteToWideChar(CP_UTF8, 0, p, len, NULL, 0);
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wchar_t* utf16 = (wchar_t*)mrb_malloc(mrb, (wlen+1) * sizeof(wchar_t));
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if (MultiByteToWideChar(CP_UTF8, 0, p, len, utf16, wlen) > 0) {
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utf16[wlen] = 0;
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WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE),
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utf16, wlen, &written, NULL);
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}
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mrb_free(mrb, utf16);
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} else
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#endif
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fwrite(p, len, 1, stdout);
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fflush(stdout);
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}
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static mrb_value
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mrb_printstr(mrb_state *mrb, mrb_value self)
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{
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mrb_value s = mrb_get_arg1(mrb);
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if (mrb_string_p(s)) {
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printstr(mrb, RSTRING_PTR(s), RSTRING_LEN(s));
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}
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return s;
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}
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/* 15.3.1.2.10 */
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/* 15.3.1.3.35 */
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static mrb_value
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mrb_print(mrb_state *mrb, mrb_value self)
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{
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mrb_int argc, i;
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mrb_value *argv;
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mrb_get_args(mrb, "*", &argv, &argc);
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for (i=0; i<argc; i++) {
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mrb_value s = mrb_str_to_str(mrb, argv[i]);
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printstr(mrb, RSTRING_PTR(s), RSTRING_LEN(s));
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}
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return mrb_nil_value();
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}
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/* 15.3.1.2.11 */
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/* 15.3.1.3.39 */
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static mrb_value
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mrb_puts(mrb_state *mrb, mrb_value self)
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{
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mrb_int argc, i;
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mrb_value *argv;
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mrb_get_args(mrb, "*", &argv, &argc);
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for (i=0; i<argc; i++) {
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mrb_value s = mrb_str_to_str(mrb, argv[i]);
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mrb_int len = RSTRING_LEN(s);
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printstr(mrb, RSTRING_PTR(s), len);
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if (len == 0 || RSTRING_PTR(s)[len-1] != '\n') {
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printstr(mrb, "\n", 1);
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}
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}
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if (argc == 0) {
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printstr(mrb, "\n", 1);
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}
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return mrb_nil_value();
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}
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void
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mrb_mruby_print_gem_init(mrb_state* mrb)
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{
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struct RClass *krn;
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krn = mrb->kernel_module;
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mrb_define_method(mrb, krn, "__printstr__", mrb_printstr, MRB_ARGS_REQ(1));
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mrb_define_method(mrb, krn, "print", mrb_print, MRB_ARGS_ANY());
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mrb_define_method(mrb, krn, "puts", mrb_puts, MRB_ARGS_ANY());
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}
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void
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mrb_mruby_print_gem_final(mrb_state* mrb)
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{
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}
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