static mrb_value
mrb_str_byteslice(mrb_state *mrb, mrb_value str)
{
mrb_value a1;
mrb_int len;
int argc;
argc = mrb_get_args(mrb, "o|i", &a1, &len);
if (argc == 2) {
return mrb_str_substr(mrb, str, mrb_fixnum(a1), len);
}
switch (mrb_type(a1)) {
case MRB_TT_RANGE:
{
mrb_int beg;
len = RSTRING_LEN(str);
if (mrb_range_beg_len(mrb, a1, &beg, &len, len)) {
return mrb_str_substr(mrb, str, beg, len);
}
return mrb_nil_value();
}
case MRB_TT_FLOAT:
a1 = mrb_fixnum_value((mrb_int)mrb_float(a1));
/* fall through */
case MRB_TT_FIXNUM:
return mrb_str_substr(mrb, str, mrb_fixnum(a1), 1);
default:
mrb_raise(mrb, E_TYPE_ERROR, "wrong type of argument");
}
/* not reached */
return mrb_nil_value();
}
static mrb_value
mrb_http_url_fragment(mrb_state *mrb, mrb_value self)
{
mrb_value value_context;
struct http_parser_url* context;
value_context = mrb_iv_get(mrb, self, mrb_intern(mrb, "context"));
Data_Get_Struct(mrb, value_context, &http_url_type, context);
if (!context) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid argument");
}
if (context->field_set & (1<<UF_FRAGMENT)) {
return mrb_str_substr(mrb, URL_GET(mrb, self, "buf"), context->field_data[UF_FRAGMENT].off, context->field_data[UF_FRAGMENT].len);
}
return mrb_nil_value();
}
static mrb_value
mrb_http_request_query(mrb_state *mrb, mrb_value self)
{
mrb_value value_context;
mrb_http_parser_context* context;
value_context = mrb_iv_get(mrb, self, mrb_intern(mrb, "context"));
Data_Get_Struct(mrb, value_context, &http_parser_context_type, context);
if (!context) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid argument");
}
if (context->handle.field_set & (1<<UF_QUERY)) {
return mrb_str_substr(mrb, PARSER_GET(context, "buf"), context->handle.field_data[UF_QUERY].off, context->handle.field_data[UF_QUERY].len);
}
return mrb_nil_value();
}
static mrb_value
mrb_http_parser_parse_url(mrb_state *mrb, mrb_value self)
{
mrb_value c;
mrb_value arg_data;
struct http_parser_url handle = {0};
struct RClass* _class_http, *_class_http_url;
mrb_get_args(mrb, "S", &arg_data);
if (http_parser_parse_url(RSTRING_PTR(arg_data), RSTRING_LEN(arg_data), FALSE, &handle)) {
mrb_raise(mrb, E_ARGUMENT_ERROR, "invalid URL");
}
_class_http = mrb_module_get(mrb, "HTTP");
_class_http_url = mrb_class_ptr(mrb_const_get(mrb, mrb_obj_value(_class_http), mrb_intern_cstr(mrb, "URL")));
c = mrb_obj_new(mrb, _class_http_url, 0, NULL);
if (handle.field_set & (1<<UF_SCHEMA)) {
OBJECT_SET(mrb, c, "schema", mrb_str_substr(mrb, arg_data, handle.field_data[UF_SCHEMA].off, handle.field_data[UF_SCHEMA].len));
}
if (handle.field_set & (1<<UF_HOST)) {
OBJECT_SET(mrb, c, "host", mrb_str_substr(mrb, arg_data, handle.field_data[UF_HOST].off, handle.field_data[UF_HOST].len));
}
if (handle.field_set & (1<<UF_HOST)) {
OBJECT_SET(mrb, c, "host", mrb_str_substr(mrb, arg_data, handle.field_data[UF_HOST].off, handle.field_data[UF_HOST].len));
}
if (handle.field_set & (1<<UF_PORT)) {
OBJECT_SET(mrb, c, "port", mrb_fixnum_value(handle.port));
} else {
if (handle.field_set & (1<<UF_SCHEMA)) {
mrb_value schema = mrb_str_substr(mrb, arg_data, handle.field_data[UF_SCHEMA].off, handle.field_data[UF_SCHEMA].len);
if (!mrb_nil_p(schema) && !strcmp("https", (char*) RSTRING_PTR(schema))) {
OBJECT_SET(mrb, c, "port", mrb_fixnum_value(443));
}
}
}
if (handle.field_set & (1<<UF_PATH)) {
OBJECT_SET(mrb, c, "path", mrb_str_substr(mrb, arg_data, handle.field_data[UF_PATH].off, handle.field_data[UF_PATH].len));
}
if (handle.field_set & (1<<UF_QUERY)) {
OBJECT_SET(mrb, c, "query", mrb_str_substr(mrb, arg_data, handle.field_data[UF_QUERY].off, handle.field_data[UF_QUERY].len));
}
if (handle.field_set & (1<<UF_FRAGMENT)) {
OBJECT_SET(mrb, c, "fragment", mrb_str_substr(mrb, arg_data, handle.field_data[UF_FRAGMENT].off, handle.field_data[UF_FRAGMENT].len));
}
return c;
}
static mrb_value
mrb_http_parser_parse_url(mrb_state *mrb, mrb_value self)
{
mrb_value uri_string;
mrb_bool is_connect = FALSE;
mrb_get_args(mrb, "S|b", &uri_string, &is_connect);
struct http_parser_url parser;
http_parser_url_init(&parser);
enum http_parser_url_rcs rc = http_parser_parse_url(RSTRING_PTR(uri_string), RSTRING_LEN(uri_string), is_connect, &parser);
switch (rc) {
case URL_OKAY: {
mrb_value argv[UF_MAX + 1];
for (int curr_url_field = 0; curr_url_field < UF_MAX; curr_url_field++) {
if (parser.field_set & (1 << curr_url_field)) {
if (curr_url_field == UF_PORT) {
argv[curr_url_field] = mrb_fixnum_value(parser.port);
} else {
argv[curr_url_field] = mrb_str_substr(mrb, uri_string, parser.field_data[curr_url_field].off, parser.field_data[curr_url_field].len);
}
} else {
argv[curr_url_field] = mrb_nil_value();
}
}
argv[UF_MAX] = uri_string;
return mrb_obj_new(mrb, MRB_URI_PARSED, sizeof(argv) / sizeof(argv[0]), argv);
}
break;
case MALFORMED_URL:
mrb_raise(mrb, E_URI_MALFORMED, "Malformed URL");
break;
case HOST_NOT_PRESENT:
mrb_raise(mrb, E_URI_HOST_NOT_PRESENT, "Host not present");
break;
case HOST_NOT_PARSEABLE:
mrb_raise(mrb, E_URI_HOST_NOT_PARSEABLE, "Host not parseable");
break;
case CONNECT_MALFORMED:
mrb_raise(mrb, E_URI_CONNECT_MALFORMED, "Connect malformed");
break;
case PORT_TOO_LARGE:
mrb_raise(mrb, E_URI_PORT_TOO_LARGE, "Port too large");
break;
}
}
static int
parser_settings_on_message_complete(http_parser* parser)
{
mrb_http_parser_context *context = (mrb_http_parser_context*) parser->data;
mrb_state* mrb = context->mrb;
mrb_value c = context->instance;
if (context->handle.field_set & (1<<UF_SCHEMA)) {
OBJECT_SET(mrb, c, "schema", mrb_str_substr(mrb, OBJECT_GET(mrb, c, "buf"), context->handle.field_data[UF_SCHEMA].off, context->handle.field_data[UF_SCHEMA].len));
}
if (context->handle.field_set & (1<<UF_HOST)) {
OBJECT_SET(mrb, c, "host", mrb_str_substr(mrb, OBJECT_GET(mrb, c, "buf"), context->handle.field_data[UF_HOST].off, context->handle.field_data[UF_HOST].len));
}
if (context->handle.field_set & (1<<UF_HOST)) {
OBJECT_SET(mrb, c, "host", mrb_str_substr(mrb, OBJECT_GET(mrb, c, "buf"), context->handle.field_data[UF_HOST].off, context->handle.field_data[UF_HOST].len));
}
if (context->handle.field_set & (1<<UF_PORT)) {
OBJECT_SET(mrb, c, "port", mrb_fixnum_value(context->handle.port));
} else {
if (context->handle.field_set & (1<<UF_SCHEMA)) {
mrb_value schema = mrb_str_substr(mrb, OBJECT_GET(mrb, c, "buf"), context->handle.field_data[UF_SCHEMA].off, context->handle.field_data[UF_SCHEMA].len);
if (!mrb_nil_p(schema) && !strcmp("https", (char*) RSTRING_PTR(schema))) {
OBJECT_SET(mrb, c, "port", mrb_fixnum_value(443));
}
}
}
if (context->handle.field_set & (1<<UF_PATH)) {
OBJECT_SET(mrb, c, "path", mrb_str_substr(mrb, OBJECT_GET(mrb, c, "buf"), context->handle.field_data[UF_PATH].off, context->handle.field_data[UF_PATH].len));
}
if (context->handle.field_set & (1<<UF_QUERY)) {
OBJECT_SET(mrb, c, "query", mrb_str_substr(mrb, OBJECT_GET(mrb, c, "buf"), context->handle.field_data[UF_QUERY].off, context->handle.field_data[UF_QUERY].len));
}
if (context->parser.method)
OBJECT_SET(mrb, c, "method", mrb_str_new_cstr(mrb, http_method_str(context->parser.method)));
if (context->parser.status_code)
OBJECT_SET(mrb, c, "status_code", mrb_fixnum_value(context->parser.status_code));
if (context->parser.content_length)
OBJECT_SET(mrb, c, "content_length", mrb_fixnum_value(context->parser.content_length));
OBJECT_REMOVE(mrb, c, "last_header_field");
OBJECT_REMOVE(mrb, c, "last_header_value");
OBJECT_REMOVE(mrb, c, "buf");
return 0;
}
int
main(int argc, char **argv)
{
char ruby_code[1024] = { 0 };
char last_code_line[1024] = { 0 };
#ifndef ENABLE_READLINE
int last_char;
int char_index;
#else
char *home = NULL;
#endif
mrbc_context *cxt;
struct mrb_parser_state *parser;
mrb_state *mrb;
mrb_value result;
struct _args args;
int n;
mrb_bool code_block_open = FALSE;
mrb_value MIRB_BIN;
int ai;
unsigned int stack_keep = 0;
/* new interpreter instance */
mrb = mrb_open();
if (mrb == NULL) {
fputs("Invalid mrb interpreter, exiting mirb\n", stderr);
return EXIT_FAILURE;
}
mrb_define_global_const(mrb, "ARGV", mrb_ary_new_capa(mrb, 0));
n = parse_args(mrb, argc, argv, &args);
if (n == EXIT_FAILURE) {
cleanup(mrb, &args);
usage(argv[0]);
return n;
}
print_hint();
cxt = mrbc_context_new(mrb);
cxt->capture_errors = 1;
cxt->lineno = 1;
mrbc_filename(mrb, cxt, "(mirb)");
if (args.verbose) cxt->dump_result = 1;
MIRB_BIN= mrb_str_new(mrb, argv[0], strlen(argv[0]));
mrb_define_global_const(mrb, "MIRB_BIN", MIRB_BIN);
#ifdef ENABLE_REQUIRE
mrb_value LOAD_PATH = mrb_gv_get(mrb, mrb_intern(mrb, "$:"));
if (mrb_str_cmp(mrb, MIRB_BIN, mrb_str_new2(mrb, "mirb")) != 0) {
int len = strrchr(RSTRING_PTR(MIRB_BIN), '/') - RSTRING_PTR(MIRB_BIN);
mrb_value extdir = mrb_str_substr(mrb, mrb_str_dup(mrb, MIRB_BIN), 0, len);
mrb_str_cat2(mrb, extdir, "/../ext");
if (mrb_obj_eq(mrb, mrb_file_exist(mrb, extdir), mrb_true_value())) {
mrb_ary_push(mrb, LOAD_PATH, extdir);
}
}
#endif /* ENABLE_REQUIRE */
ai = mrb_gc_arena_save(mrb);
#ifdef ENABLE_READLINE
MIRB_USING_HISTORY();
home = getenv("HOME");
#ifdef _WIN32
if (!home)
home = getenv("USERPROFILE");
#endif
if (home) {
strcpy(history_path, home);
strcat(history_path, "/");
strcat(history_path, history_file_name);
MIRB_READ_HISTORY(history_path);
}
#endif
while (TRUE) {
#ifndef ENABLE_READLINE
print_cmdline(code_block_open);
char_index = 0;
while ((last_char = getchar()) != '\n') {
if (last_char == EOF) break;
last_code_line[char_index++] = last_char;
}
if (last_char == EOF) {
fputs("\n", stdout);
break;
}
last_code_line[char_index] = '\0';
#else
char* line = MIRB_READLINE(code_block_open ? "* " : "> ");
if (line == NULL) {
printf("\n");
break;
}
strncpy(last_code_line, line, sizeof(last_code_line)-1);
MIRB_ADD_HISTORY(line);
free(line);
#endif
if (code_block_open) {
strcat(ruby_code, "\n");
strcat(ruby_code, last_code_line);
}
else {
if ((strcmp(last_code_line, "quit") == 0) || (strcmp(last_code_line, "exit") == 0)) {
break;
}
strcpy(ruby_code, last_code_line);
}
/* parse code */
parser = mrb_parser_new(mrb);
parser->s = ruby_code;
parser->send = ruby_code + strlen(ruby_code);
parser->lineno = cxt->lineno;
mrb_parser_parse(parser, cxt);
code_block_open = is_code_block_open(parser);
if (code_block_open) {
/* no evaluation of code */
}
else {
if (0 < parser->nerr) {
/* syntax error */
printf("line %d: %s\n", parser->error_buffer[0].lineno, parser->error_buffer[0].message);
}
else {
/* generate bytecode */
struct RProc *proc = mrb_generate_code(mrb, parser);
if (args.verbose) {
mrb_codedump_all(mrb, proc);
}
/* pass a proc for evaulation */
/* evaluate the bytecode */
result = mrb_context_run(mrb,
proc,
mrb_top_self(mrb),
stack_keep);
stack_keep = proc->body.irep->nlocals;
/* did an exception occur? */
if (mrb->exc) {
p(mrb, mrb_obj_value(mrb->exc), 0);
mrb->exc = 0;
}
else {
/* no */
if (!mrb_respond_to(mrb, result, mrb_intern_lit(mrb, "inspect"))){
result = mrb_any_to_s(mrb,result);
}
p(mrb, result, 1);
}
}
ruby_code[0] = '\0';
last_code_line[0] = '\0';
mrb_gc_arena_restore(mrb, ai);
}
mrb_parser_free(parser);
cxt->lineno++;
}
mrbc_context_free(mrb, cxt);
mrb_close(mrb);
#ifdef ENABLE_READLINE
MIRB_WRITE_HISTORY(history_path);
#endif
return 0;
}
/*
* call-seq:
* string.chr -> string
*
* Returns a one-character string at the beginning of the string.
*
* a = "abcde"
* a.chr #=> "a"
*/
static mrb_value
mrb_str_chr(mrb_state *mrb, mrb_value self)
{
return mrb_str_substr(mrb, self, 0, 1);
}