diff options
Diffstat (limited to 'string.c')
| -rw-r--r-- | string.c | 53 |
1 files changed, 31 insertions, 22 deletions
@@ -4078,6 +4078,36 @@ str_cat_char(VALUE str, unsigned int c, rb_encoding *enc) } #endif +#define CHAR_ESC_LEN 13 /* sizeof(\x{ hex of 32bit unsigned int } \0) */ + +int +rb_str_buf_cat_escaped_char(VALUE result, unsigned int c, int unicode_p) { + char buf[CHAR_ESC_LEN + 1]; + int l; + if (unicode_p) { + if (c < 0x7F && ISPRINT(c)) { + snprintf(buf, CHAR_ESC_LEN, "%c", c); + } + else if (c < 0x10000) { + snprintf(buf, CHAR_ESC_LEN, "\\u%04X", c); + } + else { + snprintf(buf, CHAR_ESC_LEN, "\\u{%X}", c); + } + } + else { + if (c < 0x100) { + snprintf(buf, CHAR_ESC_LEN, "\\x%02X", c); + } + else { + snprintf(buf, CHAR_ESC_LEN, "\\x{%X}", c); + } + } + l = strlen(buf); + rb_str_buf_cat(result, buf, l); + return l; +} + /* * call-seq: * str.inspect -> string @@ -4095,7 +4125,6 @@ rb_str_inspect(VALUE str) { rb_encoding *enc = STR_ENC_GET(str); const char *p, *pend, *prev; -#define CHAR_ESC_LEN 13 /* sizeof(\x{ hex of 32bit unsigned int } \0) */ char buf[CHAR_ESC_LEN + 1]; VALUE result = rb_str_buf_new(0); rb_encoding *resenc = rb_default_internal_encoding(); @@ -4165,27 +4194,7 @@ rb_str_inspect(VALUE str) } else { if (p - n > prev) str_buf_cat(result, prev, p - n - prev); - if (unicode_p) { - if (c < 0x100 && ISPRINT(c)) { - snprintf(buf, CHAR_ESC_LEN, "%c", c); - } - else if (c < 0x10000) { - snprintf(buf, CHAR_ESC_LEN, "\\u%04X", c); - } - else { - snprintf(buf, CHAR_ESC_LEN, "\\u{%X}", c); - } - str_buf_cat(result, buf, strlen(buf)); - } - else { - if (c < 0x100) { - snprintf(buf, CHAR_ESC_LEN, "\\x%02X", c); - } - else { - snprintf(buf, CHAR_ESC_LEN, "\\x{%X}", c); - } - str_buf_cat(result, buf, strlen(buf)); - } + rb_str_buf_cat_escaped_char(result, c, unicode_p); prev = p; continue; } |