Sha256: 8fa93dbf69f3868bb8ad7c012d232d8907c53d9f45e166e514c7c731836e2074
Contents?: true
Size: 1.99 KB
Versions: 16
Compression:
Stored size: 1.99 KB
Contents
#include "rbs_extension.h"
static VALUE REGEXP = 0;
static VALUE HASH = 0;
static const char *regexp_str = "\\\\[abefnrstv\"]";
static ID gsub = 0;
void rbs_unescape_string(VALUE string) {
if (!REGEXP) {
REGEXP = rb_reg_new(regexp_str, strlen(regexp_str), 0);
rb_global_variable(®EXP);
}
if (!gsub) {
gsub = rb_intern("gsub!");
}
if (!HASH) {
HASH = rb_hash_new();
rb_hash_aset(HASH, rb_str_new_literal("\\a"), rb_str_new_literal("\a"));
rb_hash_aset(HASH, rb_str_new_literal("\\b"), rb_str_new_literal("\b"));
rb_hash_aset(HASH, rb_str_new_literal("\\e"), rb_str_new_literal("\e"));
rb_hash_aset(HASH, rb_str_new_literal("\\f"), rb_str_new_literal("\f"));
rb_hash_aset(HASH, rb_str_new_literal("\\n"), rb_str_new_literal("\n"));
rb_hash_aset(HASH, rb_str_new_literal("\\r"), rb_str_new_literal("\r"));
rb_hash_aset(HASH, rb_str_new_literal("\\s"), rb_str_new_literal(" "));
rb_hash_aset(HASH, rb_str_new_literal("\\t"), rb_str_new_literal("\t"));
rb_hash_aset(HASH, rb_str_new_literal("\\v"), rb_str_new_literal("\v"));
rb_hash_aset(HASH, rb_str_new_literal("\\\""), rb_str_new_literal("\""));
rb_global_variable(&HASH);
}
rb_funcall(string, gsub, 2, REGEXP, HASH);
}
VALUE rbs_unquote_string(parserstate *state, range rg, int offset_bytes) {
VALUE string = state->lexstate->string;
rb_encoding *enc = rb_enc_get(string);
unsigned int first_char = rb_enc_mbc_to_codepoint(
RSTRING_PTR(string) + rg.start.byte_pos + offset_bytes,
RSTRING_END(string),
enc
);
int byte_length = rg.end.byte_pos - rg.start.byte_pos - offset_bytes;
if (first_char == '"' || first_char == '\'' || first_char == '`') {
int bs = rb_enc_codelen(first_char, enc);
offset_bytes += bs;
byte_length -= 2 * bs;
}
char *buffer = RSTRING_PTR(state->lexstate->string) + rg.start.byte_pos + offset_bytes;
VALUE str = rb_enc_str_new(buffer, byte_length, enc);
if (first_char == '\"') {
rbs_unescape_string(str);
}
return str;
}
Version data entries
16 entries across 16 versions & 1 rubygems